/* ============================================
   PORTFOLIO — DESIGN SYSTEM & STYLES
   Notion × Pinterest · Minimal & Structured
   ============================================ */

/* ---- CSS Variables (Design Tokens) ---- */
:root {
  /* Colors — Background */
  --color-bg:              #FFFFFF;
  --color-bg-secondary:    #F7F7F5;
  --color-surface:         #FFFFFF;
  --color-surface-elevated:#F7F7F5;
  --color-surface-hover:   #F0F0EE;

  /* Colors — Border */
  --color-border:          #E5E5E5;
  --color-border-hover:    #D4D4D4;
  --color-border-accent:   rgba(55, 53, 47, 0.15);

  /* Colors — Text */
  --color-text-primary:    #2F3437;
  --color-text-secondary:  #4B5563;
  --color-text-tertiary:   #9CA3AF;
  --color-text-inverse:    #FFFFFF;

  /* Colors — Accent */
  --color-accent:          #37352F;
  --color-accent-hover:    #2F3437;
  --color-accent-subtle:   rgba(55, 53, 47, 0.06);
  --color-accent-glow:     rgba(55, 53, 47, 0.08);

  /* Colors — Status */
  --color-success:         #2F9E44;
  --color-warning:         #E8590C;

  /* Gradients — now flat / very subtle */
  --gradient-text:         linear-gradient(135deg, #2F3437 0%, #4B5563 100%);
  --gradient-accent:       linear-gradient(135deg, #37352F, #4B5563);
  --gradient-surface:      linear-gradient(135deg, rgba(55, 53, 47, 0.02), rgba(55, 53, 47, 0.01));
  --gradient-border:       linear-gradient(135deg, rgba(55, 53, 47, 0.08), rgba(55, 53, 47, 0.04));
  --gradient-cta:          linear-gradient(135deg, #FFFFFF, #F7F7F5);

  /* Surface helpers (flat, no glass) */
  --glass-bg:              rgba(255, 255, 255, 0.95);
  --glass-bg-solid:        rgba(255, 255, 255, 0.98);
  --glass-card:            #FFFFFF;
  --glass-card-border:     #E5E5E5;
  --glass-item:            #F7F7F5;
  --glass-item-alt:        #F7F7F5;

  /* Subtle overlays */
  --subtle-border:         rgba(0, 0, 0, 0.06);
  --subtle-border-md:      rgba(0, 0, 0, 0.08);
  --subtle-bg:             rgba(0, 0, 0, 0.03);
  --subtle-bg-md:          rgba(0, 0, 0, 0.05);
  --subtle-bg-lg:          rgba(0, 0, 0, 0.10);

  /* Typography */
  --font-family:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:             'JetBrains Mono', 'Fira Code', monospace;
  --font-size-xs:          0.75rem;
  --font-size-sm:          0.875rem;
  --font-size-base:        1rem;
  --font-size-lg:          1.125rem;
  --font-size-xl:          1.25rem;
  --font-size-2xl:         1.5rem;
  --font-size-3xl:         2rem;
  --font-size-4xl:         2.5rem;
  --font-size-5xl:         3.5rem;
  --font-size-6xl:         4.5rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius — tighter, Notion-like */
  --radius-sm:   0.25rem;
  --radius-md:   0.375rem;
  --radius-lg:   0.5rem;
  --radius-xl:   0.625rem;
  --radius-2xl:  0.75rem;
  --radius-full: 9999px;

  /* Shadows — very subtle */
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:   0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg:   0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-xl:   0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow: none;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   350ms ease;
  --transition-spring: 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
  --color-bg:              #191919;
  --color-bg-secondary:    #202020;
  --color-surface:         #202020;
  --color-surface-elevated:#2A2A2A;
  --color-surface-hover:   #333333;

  --color-border:          #333333;
  --color-border-hover:    #444444;
  --color-border-accent:   rgba(255, 255, 255, 0.12);

  --color-text-primary:    #E8E8E6;
  --color-text-secondary:  #B8B8B4;
  --color-text-tertiary:   #7A7A76;
  --color-text-inverse:    #191919;

  --color-accent:          #E8E8E6;
  --color-accent-hover:    #FFFFFF;
  --color-accent-subtle:   rgba(255, 255, 255, 0.06);
  --color-accent-glow:     rgba(255, 255, 255, 0.08);

  --color-success:         #51CF66;
  --color-warning:         #FF922B;

  --gradient-text:         linear-gradient(135deg, #E8E8E6 0%, #B8B8B4 100%);
  --gradient-accent:       linear-gradient(135deg, #E8E8E6, #B8B8B4);
  --gradient-surface:      linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  --gradient-border:       linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  --gradient-cta:          linear-gradient(135deg, #202020, #252525);

  --glass-bg:              rgba(25, 25, 25, 0.95);
  --glass-bg-solid:        rgba(25, 25, 25, 0.98);
  --glass-card:            #202020;
  --glass-card-border:     #333333;
  --glass-item:            #2A2A2A;
  --glass-item-alt:        #2A2A2A;

  --subtle-border:         rgba(255, 255, 255, 0.06);
  --subtle-border-md:      rgba(255, 255, 255, 0.10);
  --subtle-bg:             rgba(255, 255, 255, 0.03);
  --subtle-bg-md:          rgba(255, 255, 255, 0.05);
  --subtle-bg-lg:          rgba(255, 255, 255, 0.10);

  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md:   0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg:   0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-xl:   0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: none;
}

/* ---- Theme transition ---- */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}

/* ---- Theme Toggle Button ---- */
.theme-toggle {
  width: 40px;
  height: 40px;
  /* display: flex; */
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.theme-toggle .theme-toggle__icon {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  line-height: 1;
}

.theme-toggle .bi-moon-stars-fill {
  display: inline-block;
}

.theme-toggle .bi-sun-fill {
  display: none;
}

[data-theme="dark"] .theme-toggle .bi-moon-stars-fill {
  display: none;
}

[data-theme="dark"] .theme-toggle .bi-sun-fill {
  display: inline-block;
}

/* ---- Base Reset ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

body.is-loading {
  overflow: hidden;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---- Utility Classes ---- */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.loader__bar {
  width: 120px;
  height: 2px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loader__bar::after {
  content: '';
  position: absolute;
  left: -40%;
  top: 0;
  height: 100%;
  width: 40%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  animation: loaderSlide 1s ease-in-out infinite;
}

@keyframes loaderSlide {
  0%   { left: -40%; }
  100% { left: 100%; }
}

.loader__text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
}

/* =======================
   NAVIGATION
   ======================= */
.nav-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
}

.nav-glass.is-scrolled {
  background: var(--glass-bg-solid);
  padding: var(--space-3) 0;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-sm);
  color: #fff;
  letter-spacing: 0.05em;
}

.nav__logo-text {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.nav-glass .nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-glass .nav-link:hover,
.nav-glass .nav-link.active {
  color: var(--color-text-primary);
  background: var(--color-accent-subtle);
}

/* Custom hamburger */
.nav__toggle {
  border: none;
  background: none;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =======================
   BUTTONS
   ======================= */
.btn--primary {
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-hover);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--font-size-base);
}

.btn--sm {
  padding: var(--space-2) var(--space-6);
  font-size: var(--font-size-xs);
}

/* =======================
   HERO SECTION
   ======================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-32) 0 var(--space-16);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero__blob--1 {
  width: 600px;
  height: 600px;
  background: rgba(55, 53, 47, 0.05);
  top: -15%;
  right: -10%;
  animation: blobFloat 20s ease-in-out infinite;
}

.hero__blob--2 {
  width: 500px;
  height: 500px;
  background: rgba(55, 53, 47, 0.04);
  bottom: -10%;
  left: -10%;
  animation: blobFloat 25s ease-in-out infinite reverse;
}

.hero__glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(55, 53, 47, 0.05), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(30px, -30px) scale(1.05); }
  50%      { transform: translate(-20px, 20px) scale(0.95); }
  75%      { transform: translate(20px, 10px) scale(1.02); }
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-8);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-10);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  margin-top: var(--space-20);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  display: inline;
}

.hero__stat-plus {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent);
}

.hero__stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 40%;
  background: var(--gradient-accent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { top: -40%; }
  100% { top: 100%; }
}

/* =======================
   TRUST BAR
   ======================= */
.trust-bar {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-bar__label {
  text-align: center;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-8);
}

.trust-bar__logos {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.trust-bar__track {
  display: flex;
  gap: var(--space-16);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.trust-bar__item i {
  font-size: var(--font-size-xl);
  color: var(--color-text-tertiary);
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =======================
   SECTIONS — COMMON
   ======================= */
.section {
  padding: var(--space-32) 0;
  position: relative;
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(var(--font-size-3xl), 3.5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.section__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section__header {
  margin-bottom: var(--space-12);
}

/* =======================
   ABOUT SECTION
   ======================= */
.section--about {
  border-top: 1px solid var(--color-border);
}

.about__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.about__image-wrapper {
  position: relative;
  width: 320px;
  height: 380px;
}

.about__image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(55, 53, 47,0.03), rgba(55, 53, 47,0.03));
}

.about__image-initials {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  color: var(--color-text-tertiary);
  opacity: 0.2;
}

.about__image-border {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-2xl);
  background: var(--gradient-border);
  z-index: -1;
  opacity: 0.5;
}

.about__float-card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-lg);
  animation: floatCard 6s ease-in-out infinite;
}

.about__float-card i {
  color: var(--color-accent);
}

.about__float-card--1 {
  top: 15%;
  right: -10%;
}

.about__float-card--2 {
  bottom: 15%;
  left: -10%;
  animation-delay: -3s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.about__story p {
  margin-bottom: var(--space-5);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.about__story strong {
  color: var(--color-text-primary);
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.about__highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.about__highlight-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--font-size-xl);
}

.about__highlight strong {
  display: block;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

.about__highlight p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* =======================
   SKILLS SECTION
   ======================= */
.section--skills {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  height: 100%;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.skill-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.skill-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.skill-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.skill-card__bar {
  height: 4px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  overflow: hidden;
}

.skill-card__bar-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.skill-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-card__tags span {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: 500;
}

/* =======================
   PROJECTS SECTION
   ======================= */
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin-bottom: var(--space-10);
  transition: all var(--transition-spring);
}

.project-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-xl);
}

.project-card__visual {
  padding: var(--space-10);
  background: var(--gradient-surface);
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.project-card__mockup {
  width: 100%;
  max-width: 440px;
}

.project-card__browser {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.project-card__browser-dots {
  display: flex;
  gap: 6px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.project-card__browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-surface-elevated);
}

.project-card__browser-content {
  padding: var(--space-6);
  min-height: 240px;
}

/* Mockup skeleton styles */
.mockup-nav {
  height: 8px;
  width: 60%;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.mockup-headline {
  height: 14px;
  width: 80%;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.mockup-subtitle {
  height: 8px;
  width: 50%;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.mockup-product {
  aspect-ratio: 3/4;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

/* Dashboard mockup */
.mockup-dashboard {
  display: flex;
  gap: var(--space-3);
  height: 180px;
}

.mockup-sidebar {
  width: 40px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.mockup-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mockup-chart {
  flex: 1;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.mockup-chart::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(135deg, rgba(55, 53, 47,0.06), rgba(55, 53, 47,0.03));
  clip-path: polygon(0 60%, 20% 40%, 40% 55%, 60% 20%, 80% 35%, 100% 10%, 100% 100%, 0 100%);
}

.mockup-cards {
  display: flex;
  gap: var(--space-3);
}

.mockup-stat-card {
  flex: 1;
  height: 40px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

/* Configurator mockup */
.mockup-config {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.mockup-config-preview {
  width: 120px;
  height: 120px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.mockup-config-options {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mockup-option {
  height: 24px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.project-card__tag {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.project-card__content {
  padding: var(--space-10);
}

.project-card__number {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
  margin-bottom: var(--space-4);
  display: block;
}

.project-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.project-card__section {
  margin-bottom: var(--space-5);
}

.project-card__section h4 {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.project-card__section p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.project-card__metrics {
  display: flex;
  gap: var(--space-6);
  margin: var(--space-6) 0;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.project-card__metric-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.project-card__metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.project-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.project-card__tools span {
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: 500;
}

/* =======================
   INNOVATIONS SECTION
   ======================= */
.section--innovations {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.innovation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  height: 100%;
  transition: all var(--transition-spring);
}

.innovation-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.innovation-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.innovation-card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-accent);
}

.innovation-card__label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.innovation-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.innovation-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

/* Innovation demos */
.innovation-card__demo {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

/* Pricing demo */
.demo-pricing__row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
}

.demo-pricing__row--active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 600;
}

.demo-pricing__row small {
  color: var(--color-success);
  font-weight: 600;
}

/* Cart demo */
.demo-cart__progress {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  height: 24px;
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.demo-cart__progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.demo-cart__progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-primary);
}

.demo-cart__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.demo-cart__item-swatch {
  width: 40px;
  height: 40px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
}

.demo-cart__item-info span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.demo-cart__item-info small {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* Configurator demo */
.demo-configurator {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.demo-configurator__preview {
  width: 80px;
  height: 80px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.demo-configurator__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.demo-config-step {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-tertiary);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--color-border);
}

.demo-config-step--active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

.demo-config-step--done {
  color: var(--color-success);
  border-left-color: var(--color-success);
}

/* Performance demo */
.demo-performance {
  text-align: center;
}

.demo-perf-meter {
  height: 8px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.demo-perf-meter__fill {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.5s ease;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.demo-perf-meter__fill span {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-right: var(--space-2);
  opacity: 0;
  transition: opacity 0.3s ease 1.5s;
}

.demo-perf-labels {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

.demo-perf-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.demo-perf-label--green {
  background: rgba(47, 158, 68, 0.1);
  color: var(--color-success);
}

/* =======================
   EXPERIENCE SECTION
   ======================= */
.experience__sticky {
  position: sticky;
  top: 120px;
}

.experience__sticky .section__description {
  margin: 0;
}

.timeline {
  position: relative;
  padding-left: var(--space-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-12);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: calc(-1 * var(--space-10));
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  transform: translateX(-5.5px);
}

.timeline__item:first-child .timeline__marker {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-subtle);
}

.timeline__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.timeline__date {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.timeline__badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.timeline__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.timeline__company {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.timeline__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline__tags span {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: 500;
}

/* =======================
   PROCESS SECTION
   ======================= */
.section--process {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

.process-step {
  text-align: center;
  position: relative;
  padding: var(--space-8) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-spring);
}

.process-step:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.process-step__number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-surface-elevated);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.process-step:hover .process-step__number {
  color: var(--color-accent-subtle);
}

.process-step__icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  margin: 0 auto var(--space-5);
}

.process-step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.process-step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* =======================
   TESTIMONIALS SECTION
   ======================= */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  height: 100%;
  transition: all var(--transition-spring);
  display: flex;
  flex-direction: column;
}

.testimonial-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.testimonial-card--featured {
  border-color: var(--color-border-accent);
  background: linear-gradient(135deg, var(--color-surface), rgba(55, 53, 47,0.03));
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  color: var(--color-warning);
  font-size: var(--font-size-sm);
}

.testimonial-card__quote {
  font-size: var(--font-size-base);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  flex: 1;
  border: none;
  padding: 0;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: #fff;
}

.testimonial-card__name {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.testimonial-card__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* =======================
   CTA SECTION
   ======================= */
.section--cta {
  padding: var(--space-20) 0;
}

.cta-card {
  position: relative;
  background: var(--gradient-cta);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-20) var(--space-10);
  text-align: center;
  overflow: hidden;
}

.cta-card__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-card__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.cta-card__blob--1 {
  width: 400px;
  height: 400px;
  background: rgba(55, 53, 47, 0.05);
  top: -30%;
  right: -10%;
}

.cta-card__blob--2 {
  width: 300px;
  height: 300px;
  background: rgba(55, 53, 47, 0.04);
  bottom: -20%;
  left: -5%;
}

.cta-card__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-card__title {
  font-size: clamp(var(--font-size-3xl), 3.5vw, var(--font-size-4xl));
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.cta-card__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  line-height: 1.8;
}

.cta-card__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.cta-card__info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.cta-card__info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.cta-card__info-item i {
  color: var(--color-success);
}

/* =======================
   FOOTER
   ======================= */
.footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-20);
}

.footer__brand .nav__logo {
  margin-bottom: var(--space-5);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  transform: translateY(-2px);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
}

.footer__links a:hover {
  color: var(--color-text-primary);
}

.footer__availability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-success);
  margin-top: var(--space-5);
}

.footer__availability-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.footer__bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
}

/* =======================
   BACK TO TOP
   ======================= */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  transform: translateY(-2px);
}

/* =======================
   SCROLL ANIMATIONS
   ======================= */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-up {
  transform: translateY(30px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-scale {
  transform: scale(0.95);
}

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Stagger delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }

/* =======================
   RESPONSIVE — TABLET
   ======================= */
@media (max-width: 991.98px) {
  .hero__stats {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .hero__stat-divider {
    display: none;
  }

  .hero__stat {
    width: calc(50% - var(--space-3));
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-step:nth-child(4),
  .process-step:nth-child(5) {
    grid-column: span 1;
  }

  .experience__sticky {
    position: relative;
    top: 0;
  }

  .about__float-card--1 {
    right: 5%;
  }

  .about__float-card--2 {
    left: 5%;
  }
}

/* =======================
   RESPONSIVE — MOBILE
   ======================= */
@media (max-width: 767.98px) {
  .section {
    padding: var(--space-20) 0;
  }

  .hero {
    padding: var(--space-24) 0 var(--space-12);
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-5);
    align-items: center;
  }

  .hero__stat {
    width: 100%;
  }

  .hero__scroll-indicator {
    display: none;
  }

  .about__visual {
    margin-bottom: var(--space-8);
  }

  .about__image-wrapper {
    width: 240px;
    height: 300px;
  }

  .about__float-card {
    display: none;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .process-step {
    padding: var(--space-6) var(--space-5);
    text-align: left;
  }

  .process-step__icon {
    margin: 0 0 var(--space-4) 0;
  }

  .process-step__number {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-2);
  }

  .project-card__visual {
    min-height: 260px;
    padding: var(--space-6);
  }

  .project-card__content {
    padding: var(--space-6);
  }

  .project-card__metrics {
    flex-direction: column;
    gap: var(--space-4);
  }

  .cta-card {
    padding: var(--space-12) var(--space-6);
  }

  .cta-card__info {
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .footer__top .row {
    text-align: center;
  }

  .footer__tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__links a {
    justify-content: center;
  }

  .footer__brand .nav__logo {
    justify-content: center;
  }

  .footer__availability {
    justify-content: center;
  }

  .trust-bar {
    padding: var(--space-10) 0;
  }

  .navbar-collapse {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    margin-top: var(--space-4);
  }
}

/* =======================
   RESPONSIVE — Small Mobile
   ======================= */
@media (max-width: 480px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .cta-card__actions {
    flex-direction: column;
  }

  .cta-card__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .section__title {
    font-size: var(--font-size-3xl);
  }
}


/* =========================================================================
   SCROLL PROGRESS BAR
   ========================================================================= */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  background: var(--subtle-bg-md);
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-text);
  border-radius: 0 2px 2px 0;
  transition: width 0.05s linear;
}


/* =========================================================================
   INTERACTIVE DEMO LAB — SECTION
   ========================================================================= */
.section--demolab {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  overflow: hidden;
}

.demolab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

/* ---------- Back Link ---------- */
.demolab-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  margin-bottom: 1rem;
  transition: gap 0.3s ease, color 0.3s ease;
}
.demolab-back-link:hover {
  gap: 0.75rem;
  color: var(--color-accent-hover);
}

/* ---------- View All Demos CTA ---------- */
.demolab-cta {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 3rem 2rem;
  margin-top: 1rem;
  border-radius: 20px;
  background: var(--glass-item-alt);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(55, 53, 47, 0.12);
  text-align: center;
}
.demolab-cta__text {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: 0;
}
.demolab-cta__text strong {
  color: var(--color-accent);
}
.demolab-cta__btn {
  gap: 0.5rem;
}

/* ---------- Glassmorphism Card Shell ---------- */
.demolab-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  transition: transform var(--transition-spring), box-shadow var(--transition-spring);
}

.demolab-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(55, 53, 47, 0.10), 0 8px 24px rgba(0, 0, 0, 0.06);
}

.demolab-card__glass {
  position: absolute;
  inset: 0;
  background: var(--glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-card-border);
  border-radius: 20px;
  z-index: 0;
}

.demolab-card__inner {
  position: relative;
  z-index: 1;
  padding: 2rem;
}

.demolab-card--wide {
  grid-column: span 1;
}

.demolab-card--full {
  grid-column: 1 / -1;
}

/* Card Header */
.demolab-card__head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.demolab-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.12), rgba(55, 53, 47, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.demolab-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 0.25rem;
}

.demolab-card__desc {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.55;
}

.demolab-card__body {
  /* content area */
}


/* =========================================================================
   DEMO 1 — Dynamic Pricing Engine
   ========================================================================= */
.pricing-tiers {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.pricing-tier {
  flex: 1;
  background: var(--glass-item);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
  padding: 0.85rem 0.6rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  cursor: default;
}

.pricing-tier.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(55, 53, 47, 0.22);
  transform: scale(1.04);
}

.pricing-tier.is-active .pricing-tier__name,
.pricing-tier.is-active .pricing-tier__range,
.pricing-tier.is-active .pricing-tier__discount {
  color: #fff;
}

.pricing-tier__badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #E8590C, #FF922B);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-tier__name {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.15rem;
}

.pricing-tier__range {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.25rem;
}

.pricing-tier__discount {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Slider */
.pricing-slider {
  margin-bottom: 1.5rem;
}

.pricing-slider__label {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.pricing-slider__label strong {
  font-size: 1.15rem;
  color: var(--color-text-primary);
}

.pricing-slider__input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--subtle-bg-md);
  outline: none;
}

.pricing-slider__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(55, 53, 47, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-slider__input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 16px rgba(55, 53, 47, 0.45);
}

.pricing-slider__marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--color-text-tertiary);
  margin-top: 0.35rem;
}

/* Results */
.pricing-result {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pricing-result__item {
  flex: 1;
  background: var(--glass-item);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
  padding: 0.85rem;
  text-align: center;
}

.pricing-result__item--savings {
  border-color: rgba(47, 158, 68, 0.2);
  background: rgba(47, 158, 68, 0.04);
}

.pricing-result__label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: 0.25rem;
}

.pricing-result__value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.pricing-result__value--lg {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.pricing-result__value--green {
  color: #2F9E44;
}

/* Discount Bar */
.pricing-discount-bar {
  height: 8px;
  background: var(--subtle-bg-md);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.pricing-discount-bar__fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pricing-discount-bar__text {
  position: absolute;
  right: 0;
  top: -1.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
}


/* =========================================================================
   DEMO 2 — Smart Cart Experience
   ========================================================================= */
.smart-cart__shipping {
  margin-bottom: 1rem;
}

.smart-cart__ship-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--subtle-bg-md);
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.smart-cart__ship-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.smart-cart__ship-msg {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
}

.smart-cart__items {
  min-height: 60px;
  margin-bottom: 1rem;
}

.smart-cart__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.5rem;
  color: var(--color-text-tertiary);
  font-size: 0.85rem;
}

.smart-cart__empty i {
  font-size: 1.5rem;
}

/* Cart line item */
.sc-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: var(--glass-item-alt);
  border: 1px solid var(--subtle-border);
  border-radius: 10px;
  margin-bottom: 0.5rem;
  animation: scLinePop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scLinePop {
  from { opacity: 0; transform: translateX(-12px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

.sc-line__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.1), rgba(55, 53, 47, 0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 0.95rem;
  flex-shrink: 0;
}

.sc-line__info {
  flex: 1;
  min-width: 0;
}

.sc-line__name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sc-line__price {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.sc-line__remove {
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(239, 68, 68, 0.08);
  border-radius: 6px;
  color: #ef4444;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.sc-line__remove:hover {
  background: rgba(239, 68, 68, 0.18);
}

/* Product shelf */
.smart-cart__shelf {
  margin-bottom: 1rem;
}

.smart-cart__shelf-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-text-tertiary);
  margin-bottom: 0.5rem;
}

.smart-cart__products {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.smart-cart__product {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--subtle-border-md);
  border-radius: 8px;
  background: var(--glass-item);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-fast);
}

.smart-cart__product:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(55, 53, 47, 0.04);
}

.smart-cart__product.is-added {
  opacity: 0.4;
  pointer-events: none;
}

.smart-cart__product span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

/* Upsell */
.smart-cart__upsell {
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.08), rgba(55, 53, 47, 0.04));
  border: 1px solid rgba(55, 53, 47, 0.15);
  font-size: 0.78rem;
  font-weight: 500;
  color: #9A3412;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  animation: scLinePop 0.35s ease;
}

.smart-cart__upsell i {
  color: #E8590C;
}

/* Footer */
.smart-cart__footer {
  border-top: 1px solid var(--subtle-border);
  padding-top: 1rem;
}

.smart-cart__subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.smart-cart__subtotal strong {
  font-size: 1.2rem;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
}

.smart-cart__checkout {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-base);
  margin-bottom: 0.5rem;
}

.smart-cart__checkout:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.smart-cart__checkout:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.smart-cart__clear {
  width: 100%;
  padding: 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.smart-cart__clear:hover {
  color: #ef4444;
}


/* =========================================================================
   DEMO 3 — Product Configurator
   ========================================================================= */
.config-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 1.5rem;
}

.config-stepper__step {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: default;
}

.config-stepper__num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--subtle-bg-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-tertiary);
  transition: all var(--transition-base);
}

.config-stepper__step.is-active .config-stepper__num {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(55, 53, 47, 0.3);
}

.config-stepper__step.is-done .config-stepper__num {
  background: rgba(47, 158, 68, 0.12);
  color: #2F9E44;
}

.config-stepper__text {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  transition: color var(--transition-base);
}

.config-stepper__step.is-active .config-stepper__text {
  color: var(--color-text-primary);
}

.config-stepper__line {
  width: 40px;
  height: 2px;
  background: var(--subtle-bg-md);
  margin: 0 0.5rem;
  border-radius: 1px;
}

/* Config Body */
.config-body {
  display: flex;
  gap: 1.5rem;
}

.config-preview {
  width: 160px;
  flex-shrink: 0;
  text-align: center;
  background: var(--glass-item-alt);
  border: 1px solid var(--subtle-border);
  border-radius: 16px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.config-preview__product {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
  transition: color 0.3s, transform 0.3s;
}

.config-preview__price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.config-preview__summary {
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  margin-top: 0.5rem;
}

.config-panels {
  flex: 1;
  min-width: 0;
}

.config-panel {
  display: none;
}

.config-panel.is-active {
  display: block;
  animation: cfgFadeIn 0.35s ease;
}

@keyframes cfgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.config-panel__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.85rem;
}

.config-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.config-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--subtle-border-md);
  border-radius: 12px;
  background: var(--glass-item);
  cursor: pointer;
  transition: all var(--transition-base);
}

.config-option:hover {
  border-color: var(--color-accent);
}

.config-option.is-active {
  border-color: var(--color-accent);
  background: rgba(55, 53, 47, 0.06);
  box-shadow: 0 0 0 3px rgba(55, 53, 47, 0.12);
}

.config-option i {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
}

.config-option.is-active i {
  color: var(--color-accent);
}

.config-option strong {
  font-size: 0.78rem;
  color: var(--color-text-primary);
}

.config-option span {
  font-size: 0.68rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

/* Color swatches */
.config-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--cfg-swatch);
  border: 2px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

.config-option--swatch.is-active .config-swatch {
  transform: scale(1.15);
  box-shadow: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--cfg-swatch);
}

.config-option__plus {
  font-size: 0.65rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* Extras checkboxes */
.config-extra {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--subtle-border);
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
  width: 100%;
  margin-bottom: 0.4rem;
}

.config-extra:hover {
  border-color: var(--color-accent);
}

.config-extra input {
  display: none;
}

.config-extra__box {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 2px solid var(--subtle-bg-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: transparent;
  transition: all 0.2s;
  flex-shrink: 0;
}

.config-extra input:checked ~ .config-extra__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.config-extra__info {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
}

.config-extra__info strong {
  font-size: 0.82rem;
}

.config-extra__info span {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--color-text-tertiary);
}

.config-options--extras {
  flex-direction: column;
}

/* Config Nav */
.config-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--subtle-border);
}

.config-nav__btn {
  padding: 0.55rem 1.15rem;
  border-radius: 10px;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-base);
}

.config-nav__btn--back {
  background: var(--subtle-bg);
  color: var(--color-text-secondary);
}

.config-nav__btn--back:hover:not(:disabled) {
  background: var(--subtle-bg-md);
}

.config-nav__btn--back:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.config-nav__btn--next {
  background: var(--color-accent);
  color: #fff;
}

.config-nav__btn--next:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}


/* =========================================================================
   DEMO 4 — Performance Simulator
   ========================================================================= */
.perf-sim__toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.perf-sim__toggle-label {
  font-size: 0.8rem;
  font-weight: 600;
  transition: color var(--transition-base);
}

.perf-sim__toggle-label--bad {
  color: #ef4444;
}

.perf-sim__toggle-label--good {
  color: var(--color-text-tertiary);
}

.perf-sim.is-optimized .perf-sim__toggle-label--bad {
  color: var(--color-text-tertiary);
}

.perf-sim.is-optimized .perf-sim__toggle-label--good {
  color: #2F9E44;
}

.perf-sim__toggle {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  cursor: pointer;
}

.perf-sim__toggle input {
  display: none;
}

.perf-sim__toggle-track {
  position: absolute;
  inset: 0;
  background: #ef4444;
  border-radius: 14px;
  transition: background 0.35s;
}

.perf-sim__toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.perf-sim__toggle input:checked + .perf-sim__toggle-track {
  background: #2F9E44;
}

.perf-sim__toggle input:checked + .perf-sim__toggle-track::after {
  transform: translateX(24px);
}

/* Metrics */
.perf-sim__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.perf-metric {
  background: var(--glass-item-alt);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
  padding: 0.85rem;
}

.perf-metric__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.perf-metric__label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.perf-metric__value {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  transition: color 0.5s;
}

.perf-metric__bar {
  height: 6px;
  border-radius: 3px;
  background: var(--subtle-bg-md);
  overflow: hidden;
}

.perf-metric__fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.34, 1, 0.64, 1), background 0.5s;
}

.perf-metric__fill--bad {
  background: linear-gradient(90deg, #ef4444, #f97316);
}

.perf-metric__fill--good {
  background: linear-gradient(90deg, #2F9E44, #2F9E44);
}

/* Visual browser */
.perf-sim__visual {
  max-width: 100%;
}

.perf-sim__browser {
  border-radius: 12px;
  border: 1px solid var(--subtle-border-md);
  overflow: hidden;
  background: var(--color-surface);
}

.perf-sim__browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--subtle-bg);
  border-bottom: 1px solid var(--subtle-border);
}

.perf-sim__browser-bar > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--subtle-bg-lg);
}

.perf-sim__browser-bar > span:first-child { background: #ef4444; }
.perf-sim__browser-bar > span:nth-child(2) { background: #FF922B; }
.perf-sim__browser-bar > span:nth-child(3) { background: #2F9E44; }

.perf-sim__browser-url {
  margin-left: auto;
  font-size: 0.68rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.perf-sim__browser-body {
  padding: 12px;
  min-height: 100px;
}

.perf-sim__skeleton {
  border-radius: 6px;
  margin-bottom: 8px;
}

.perf-sim__skeleton--nav {
  height: 10px;
  width: 100%;
  background: var(--subtle-bg-md);
}

.perf-sim__skeleton--hero {
  height: 40px;
  width: 100%;
  background: var(--subtle-bg);
}

.perf-sim__skeleton-row {
  display: flex;
  gap: 8px;
}

.perf-sim__skeleton--card {
  height: 30px;
  flex: 1;
  background: var(--subtle-bg);
}

/* Skeleton loading animation for unoptimized */
.perf-sim__browser-body.is-loading .perf-sim__skeleton {
  animation: skelPulse 1.5s ease infinite;
}

@keyframes skelPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Loaded state for optimized */
.perf-sim__browser-body.is-loaded .perf-sim__skeleton--nav {
  background: var(--gradient-accent);
  animation: none;
}

.perf-sim__browser-body.is-loaded .perf-sim__skeleton--hero {
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.1), rgba(55, 53, 47, 0.06));
  animation: none;
}

.perf-sim__browser-body.is-loaded .perf-sim__skeleton--card {
  background: rgba(55, 53, 47, 0.06);
  border: 1px solid rgba(55, 53, 47, 0.1);
  animation: none;
}


/* =========================================================================
   DEMO 5 — Bundle Builder
   ========================================================================= */
.bundle-builder__rule {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.07), rgba(55, 53, 47, 0.04));
  border: 1px solid rgba(55, 53, 47, 0.12);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.bundle-builder__rule i {
  color: var(--color-accent);
}

.bundle-builder__counter {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: 0.75rem;
}

.bundle-builder__counter span {
  color: var(--color-accent);
  font-size: 1rem;
}

.bundle-builder__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.bundle-product {
  position: relative;
  padding: 1rem 0.75rem;
  border: 1px solid var(--subtle-border-md);
  border-radius: 12px;
  background: var(--glass-item-alt);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.bundle-product:hover {
  border-color: var(--color-accent);
  background: rgba(55, 53, 47, 0.03);
}

.bundle-product.is-selected {
  border-color: var(--color-accent);
  background: rgba(55, 53, 47, 0.06);
  box-shadow: 0 0 0 3px rgba(55, 53, 47, 0.12);
}

.bundle-product.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.bundle-product__check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bundle-product.is-selected .bundle-product__check {
  opacity: 1;
  transform: scale(1);
}

.bundle-product__icon {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.bundle-product.is-selected .bundle-product__icon {
  color: var(--color-accent);
}

.bundle-product strong {
  font-size: 0.72rem;
  color: var(--color-text-primary);
}

.bundle-product span {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--color-text-tertiary);
}

/* Summary */
.bundle-builder__summary {
  background: var(--glass-item-alt);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
  padding: 1rem;
  animation: scLinePop 0.35s ease;
}

.bundle-builder__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
}

.bundle-builder__original {
  text-decoration: line-through;
  color: var(--color-text-tertiary);
}

.bundle-builder__row--discount {
  color: #2F9E44;
}

.bundle-builder__discount {
  font-weight: 600;
}

.bundle-builder__row--total {
  border-top: 1px solid var(--subtle-border);
  margin-top: 0.35rem;
  padding-top: 0.65rem;
  font-size: 1rem;
}

.bundle-builder__row--total strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.15rem;
}


/* =========================================================================
   DEMO 6 — Conversion Boost Simulator
   ========================================================================= */
.conv-sim__dashboard {
  text-align: center;
  margin-bottom: 1.5rem;
}

.conv-sim__rate-box {
  margin-bottom: 0.5rem;
}

.conv-sim__rate-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: 0.25rem;
}

.conv-sim__rate {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  transition: color 0.3s;
}

.conv-sim__bar-wrap {
  height: 8px;
  border-radius: 4px;
  background: var(--subtle-bg-md);
  overflow: hidden;
  margin-bottom: 0.35rem;
}

.conv-sim__bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.conv-sim__delta {
  font-size: 0.78rem;
  font-weight: 600;
  color: #2F9E44;
  min-height: 1.2em;
}

/* Feature toggles */
.conv-sim__features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.conv-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--subtle-border);
  border-radius: 10px;
  background: var(--glass-item-alt);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.conv-feature:hover {
  border-color: rgba(55, 53, 47, 0.2);
  background: var(--glass-bg);
}

.conv-feature__input {
  display: none;
}

.conv-feature__toggle {
  width: 40px;
  height: 22px;
  border-radius: 11px;
  background: var(--subtle-bg-lg);
  position: relative;
  flex-shrink: 0;
  transition: background 0.3s;
}

.conv-feature__toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.conv-feature__input:checked ~ .conv-feature__toggle {
  background: var(--color-accent);
}

.conv-feature__input:checked ~ .conv-feature__toggle::after {
  transform: translateX(18px);
}

.conv-feature__info {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.conv-feature__info strong {
  font-size: 0.82rem;
  color: var(--color-text-primary);
}

.conv-feature__info span {
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

/* Active tags */
.conv-sim__active {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  min-height: 1.6rem;
}

.conv-tag {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(55, 53, 47, 0.08);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-accent);
  animation: scLinePop 0.25s ease;
}


/* =========================================================================
   DEMO 7 — Checkout UX Flow
   ========================================================================= */
.checkout-sim {
  position: relative;
}

.checkout-progress {
  margin-bottom: 1.5rem;
  position: relative;
}

.checkout-progress::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 2px;
  background: var(--subtle-bg-md);
  z-index: 0;
}

.checkout-progress__bar {
  height: 4px;
  border-radius: 2px;
  background: var(--gradient-accent);
  transition: width 0.5s cubic-bezier(0.34, 1, 0.64, 1);
  position: absolute;
  top: 5px;
  left: 0;
  z-index: 1;
}

.checkout-progress__steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 2;
  padding-top: 0;
  top: 13px;
  
}

.checkout-progress__step {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  transition: color var(--transition-base);
}

.checkout-progress__step.is-active {
  color: var(--color-accent);
}

.checkout-progress__step.is-done {
  color: #2F9E44;
}

.checkout-progress__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--subtle-bg-md);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.checkout-progress__step.is-active .checkout-progress__dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(55, 53, 47, 0.15);
}

.checkout-progress__step.is-done .checkout-progress__dot {
  background: #2F9E44;
}

/* Panels */
.checkout-panels {
  min-height: 160px;
}

.checkout-panel {
  display: none;
}

.checkout-panel.is-active {
  display: block;
  animation: cfgFadeIn 0.35s ease;
}

.checkout-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.checkout-field--full {
  grid-column: 1 / -1;
}

.checkout-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.checkout-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--subtle-border-md);
  background: var(--glass-item-alt);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.checkout-input.is-filled {
  border-color: rgba(47, 158, 68, 0.3);
  background: rgba(47, 158, 68, 0.03);
}

.checkout-input--card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}

.checkout-input--card i {
  color: var(--color-text-tertiary);
}

/* Autofill button */
.checkout-autofill {
  padding: 0.5rem 1rem;
  border: 1px solid rgba(55, 53, 47, 0.2);
  border-radius: 8px;
  background: rgba(55, 53, 47, 0.04);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}

.checkout-autofill:hover {
  background: rgba(55, 53, 47, 0.1);
}

/* Shipping options */
.checkout-shipping-opts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkout-ship-opt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkout-ship-opt:hover {
  border-color: var(--color-accent);
}

.checkout-ship-opt.is-active {
  border-color: var(--color-accent);
  background: rgba(55, 53, 47, 0.04);
}

.checkout-ship-opt input {
  display: none;
}

.checkout-ship-opt__radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--subtle-bg-lg);
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.2s;
}

.checkout-ship-opt.is-active .checkout-ship-opt__radio {
  border-color: var(--color-accent);
}

.checkout-ship-opt.is-active .checkout-ship-opt__radio::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.checkout-ship-opt__info {
  flex: 1;
}

.checkout-ship-opt__info strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-primary);
}

.checkout-ship-opt__info span {
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
}

.checkout-ship-opt__price {
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
}

/* Trust */
.checkout-trust {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.checkout-trust span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
}

.checkout-trust i {
  color: var(--color-accent);
  font-size: 0.95rem;
}

/* Checkout Nav */
.checkout-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--subtle-border);
}

.checkout-nav__btn {
  padding: 0.55rem 1.15rem;
  border-radius: 10px;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-base);
}

.checkout-nav__btn--back {
  background: var(--subtle-bg);
  color: var(--color-text-secondary);
}

.checkout-nav__btn--back:hover {
  background: var(--subtle-bg-md);
}

.checkout-nav__btn--next {
  background: var(--color-accent);
  color: #fff;
}

.checkout-nav__btn--next:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* Complete overlay */
.checkout-complete {
  position: absolute;
  inset: 0;
  background: var(--glass-bg-solid);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  z-index: 5;
}

.checkout-complete__inner {
  text-align: center;
  animation: cfgFadeIn 0.5s ease;
}

.checkout-complete__check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  animation: completePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes completePop {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

.checkout-complete h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.checkout-complete p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}


/* =========================================================================
   DEMO LAB — Responsive
   ========================================================================= */
@media (max-width: 991.98px) {
  .demolab-grid {
    grid-template-columns: 1fr;
  }

  .demolab-card--wide {
    grid-column: span 1;
  }

  .demolab-cta {
    padding: 2rem 1.5rem;
  }

  .config-body {
    flex-direction: column;
  }

  .config-preview {
    width: 100%;
    padding: 1rem;
    flex-direction: row;
    gap: 1rem;
  }

  .config-preview__product {
    font-size: 2.5rem;
  }

  .perf-sim__metrics {
    grid-template-columns: 1fr 1fr;
  }

  .bundle-builder__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767.98px) {
  .demolab-card__inner {
    padding: 1.5rem;
  }

  .pricing-tiers {
    flex-direction: column;
  }

  .pricing-tier {
    padding: 0.65rem;
  }

  .perf-sim__metrics {
    grid-template-columns: 1fr;
  }

  .bundle-builder__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .checkout-panel__grid {
    grid-template-columns: 1fr;
  }

  .checkout-field--full {
    grid-column: auto;
  }
}

@media (max-width: 480px) {
  .demolab-card__inner {
    padding: 1.25rem;
  }

  .bundle-builder__grid {
    grid-template-columns: 1fr 1fr;
  }

  .smart-cart__products {
    flex-direction: column;
  }
}


/* =========================================================================
   SYSTEM ARCHITECTURE SECTION
   ========================================================================= */
.arch-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 2rem 0;
  scrollbar-width: none;
}

.arch-flow::-webkit-scrollbar {
  display: none;
}

.arch-flow__node {
  min-width: 180px;
  max-width: 200px;
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--subtle-border);
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.arch-flow__node:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.arch-flow__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.12), rgba(55, 53, 47, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.arch-flow__node h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.arch-flow__node p {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

.arch-flow__connector {
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 1.2rem;
  opacity: 0.5;
  margin-top: 3rem;
}

.arch-card {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--subtle-border);
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.arch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.arch-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.1), rgba(55, 53, 47, 0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.4rem;
  color: var(--color-accent);
}

.arch-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.arch-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin: 0;
}


/* =========================================================================
   DEMO 8 — AI Product Recommendation Engine
   ========================================================================= */
.rec-engine__browsing,
.rec-engine__results { margin-bottom: 1.5rem; }

.rec-engine__label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.rec-engine__products {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.rec-engine__product {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.82rem;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
}
.rec-engine__product i { font-size: 1rem; color: var(--color-accent); }
.rec-engine__product span { font-size: 0.75rem; color: var(--color-text-tertiary); }

.rec-engine__product:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.rec-engine__product.is-active {
  background: linear-gradient(135deg, rgba(55, 53, 47,0.08), rgba(55, 53, 47,0.06));
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(55, 53, 47,0.1);
}

.rec-engine__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.rec-card {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-spring);
  animation: recFadeIn 0.4s ease both;
}
.rec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.rec-card.is-best {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(55, 53, 47,0.06), rgba(55, 53, 47,0.04));
  position: relative;
}
.rec-card.is-best::after {
  content: 'Best Match';
  position: absolute;
  top: -8px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--gradient-accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.rec-card__icon { font-size: 1.6rem; color: var(--color-accent); margin-bottom: 0.4rem; }
.rec-card__name { font-size: 0.82rem; font-weight: 600; margin-bottom: 0.2rem; }
.rec-card__price { font-size: 0.75rem; color: var(--color-text-tertiary); }
.rec-card__match { font-size: 0.7rem; color: var(--color-accent); font-weight: 600; margin-top: 0.3rem; }

@keyframes recFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rec-engine__logic {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-tertiary);
  padding: 0.6rem 1rem;
  background: rgba(55, 53, 47,0.04);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}


/* =========================================================================
   DEMO 9 — Geo-Based Pricing & Currency
   ========================================================================= */
.geo-pricing__selector {
  margin-bottom: 1.25rem;
}

.geo-pricing__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.4rem;
}

.geo-pricing__select {
  width: 100%;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.9rem;
  font-family: var(--font-family);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color var(--transition-base);
  outline: none;
}
.geo-pricing__select:focus { border-color: var(--color-accent); }

.geo-pricing__items {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.geo-pricing__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.geo-pricing__item i { font-size: 1.1rem; color: var(--color-accent); }
.geo-pricing__item-name { flex: 1; font-size: 0.88rem; font-weight: 500; }
.geo-pricing__item-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  font-variant-numeric: tabular-nums;
}
.geo-pricing__item-price.is-updating {
  color: var(--color-accent);
  transform: scale(1.1);
}

.geo-pricing__info {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.geo-pricing__tax,
.geo-pricing__ship {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(55, 53, 47,0.05);
}


/* =========================================================================
   DEMO 10 — Real-Time Inventory & Urgency
   ========================================================================= */
.urgency-sys__product {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.urgency-sys__img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(55, 53, 47,0.1), rgba(55, 53, 47,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent);
}
.urgency-sys__details h4 { font-size: 1rem; font-weight: 700; margin: 0 0 0.2rem; }
.urgency-sys__price { font-size: 0.95rem; font-weight: 600; color: var(--color-accent); }

.urgency-sys__stock { margin-bottom: 0.75rem; }
.urgency-sys__stock-bar {
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 0.35rem;
}
.urgency-sys__stock-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-success);
  transition: width 0.6s cubic-bezier(0.34,1,0.64,1), background 0.4s ease;
}
.urgency-sys__stock-fill.is-low { background: var(--color-warning); }
.urgency-sys__stock-fill.is-critical { background: #ef4444; }

.urgency-sys__stock-text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}
.urgency-sys__stock-text.is-critical {
  color: #ef4444;
  font-weight: 600;
}

.urgency-sys__viewers {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.urgency-sys__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  animation: urgPulse 1.5s ease infinite;
}
@keyframes urgPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}

.urgency-sys__actions { display: flex; gap: 0.6rem; }
.urgency-sys__buy {
  flex: 1;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.urgency-sys__buy:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.urgency-sys__reset {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}
.urgency-sys__reset:hover { border-color: var(--color-accent); }

.urgency-sys__sold-out {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1.5rem;
  text-align: center;
  color: #ef4444;
  font-size: 0.88rem;
}
.urgency-sys__sold-out i { font-size: 2rem; }


/* =========================================================================
   DEMO 11 — Custom Checkout Logic Engine
   ========================================================================= */
.promo-engine {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.promo-engine__label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 0.6rem;
  display: block;
}

.promo-engine__products {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.promo-engine__prod {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-base);
}
.promo-engine__prod i { color: var(--color-accent); }
.promo-engine__prod span { margin-left: auto; font-size: 0.75rem; color: var(--color-text-tertiary); }
.promo-engine__prod:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.promo-engine__items {
  min-height: 60px;
  margin-bottom: 0.75rem;
}
.promo-engine__empty {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  text-align: center;
  padding: 1rem;
}

.promo-engine__line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--color-border);
  animation: recFadeIn 0.3s ease both;
}
.promo-engine__line-name { font-weight: 500; }
.promo-engine__line-price { font-variant-numeric: tabular-nums; }

.promo-engine__rules {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.promo-engine__rule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.02);
  border: 1px dashed var(--color-border);
  transition: all var(--transition-base);
}
.promo-engine__rule.is-active {
  border-style: solid;
  border-color: var(--color-accent);
  background: rgba(55, 53, 47,0.06);
}

.promo-engine__rule-badge {
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--color-text-secondary);
}
.promo-engine__rule.is-active .promo-engine__rule-badge { color: var(--color-accent); }

.promo-engine__rule-status {
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
}
.promo-engine__rule.is-active .promo-engine__rule-status {
  color: var(--color-success);
  font-weight: 600;
}

.promo-engine__totals {
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-bottom: 0.75rem;
}
.promo-engine__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  padding: 0.25rem 0;
}
.promo-engine__row--discount { color: var(--color-success); font-weight: 600; }
.promo-engine__row--gift { color: var(--color-accent); }
.promo-engine__row--total {
  font-size: 0.95rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  margin-top: 0.25rem;
}

.promo-engine__clear {
  width: 100%;
  padding: 0.45rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: transparent;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--color-text-tertiary);
  transition: all var(--transition-base);
}
.promo-engine__clear:hover { border-color: #ef4444; color: #ef4444; }


/* =========================================================================
   DEMO 12 — A/B Testing Simulator
   ========================================================================= */
.ab-sim__toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.ab-sim__toggle-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.ab-sim__toggle-label small {
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.ab-sim__toggle {
  position: relative;
  width: 50px;
  height: 26px;
  cursor: pointer;
}
.ab-sim__toggle input { display: none; }
.ab-sim__toggle-track {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-surface-elevated);
  transition: background var(--transition-base);
}
.ab-sim__toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}
.ab-sim__toggle input:checked + .ab-sim__toggle-track {
  background: var(--gradient-accent);
}
.ab-sim__toggle input:checked + .ab-sim__toggle-track::after {
  transform: translateX(24px);
}

.ab-sim__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ab-sim__variant {
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  overflow: hidden;
  opacity: 0.5;
  transition: all var(--transition-spring);
}
.ab-sim__variant.is-active {
  opacity: 1;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(55, 53, 47,0.1);
}

.ab-sim__header {
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0,0,0,0.03);
  color: var(--color-text-secondary);
}

.ab-sim__mockup {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ab-sim__mock-badges {
  display: flex;
  gap: 0.4rem;
}
.ab-sim__mock-badges span {
  font-size: 0.65rem;
  background: rgba(55, 53, 47,0.1);
  color: var(--color-accent);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.ab-sim__mock-img {
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-text-tertiary);
}

.ab-sim__mock-title { font-size: 0.82rem; font-weight: 600; }
.ab-sim__mock-price { font-size: 0.88rem; font-weight: 700; }
.ab-sim__mock-compare {
  text-decoration: line-through;
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.ab-sim__mock-urgency {
  font-size: 0.72rem;
  color: #ef4444;
  font-weight: 600;
}

.ab-sim__mock-btn {
  padding: 0.45rem;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.ab-sim__mock-btn--b {
  background: var(--gradient-accent);
  color: #fff;
}

.ab-sim__mock-trust {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
}

.ab-sim__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.ab-sim__metric {
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.ab-sim__metric-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.ab-sim__metric-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  transition: all var(--transition-base);
}


/* =========================================================================
   DEMO 13 — Delivery Estimator System
   ========================================================================= */
.delivery-est__input-wrap {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.delivery-est__input-group {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--transition-base);
}
.delivery-est__input-group:focus-within { border-color: var(--color-accent); }
.delivery-est__input-group i { color: var(--color-accent); }

.delivery-est__input {
  flex: 1;
  padding: 0.6rem 0;
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.9rem;
  font-family: var(--font-family);
  color: var(--color-text-primary);
}

.delivery-est__check {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-lg);
  border: none;
  background: var(--gradient-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.delivery-est__check:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.delivery-est__loading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.delivery-est__spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: delSpin 0.8s linear infinite;
}
@keyframes delSpin { to { transform: rotate(360deg); } }

.delivery-est__serviceable {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-success);
  margin-bottom: 1rem;
}

.delivery-est__options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.delivery-est__option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.delivery-est__option-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: rgba(55, 53, 47,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.delivery-est__option strong { font-size: 0.85rem; }
.delivery-est__option span { font-size: 0.75rem; color: var(--color-text-tertiary); }
.delivery-est__option > div { flex: 1; display: flex; flex-direction: column; }
.delivery-est__option-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
}

.delivery-est__timeline { margin-top: 0.25rem; }
.delivery-est__timeline-bar {
  height: 4px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.delivery-est__timeline-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width 1.5s cubic-bezier(0.34,1,0.64,1);
}
.delivery-est__timeline-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
}


/* =========================================================================
   DEMO 14 — Payment Method Optimization
   ========================================================================= */
.pay-opt__methods {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.pay-opt__method {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-spring);
}
.pay-opt__method:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.pay-opt__method.is-active {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(55, 53, 47,0.06), rgba(55, 53, 47,0.04));
  box-shadow: 0 0 0 3px rgba(55, 53, 47,0.1);
}

.pay-opt__method-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: rgba(55, 53, 47,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-accent);
}

.pay-opt__method-info { flex: 1; }
.pay-opt__method-info strong { font-size: 0.88rem; display: block; }
.pay-opt__method-info small { font-size: 0.72rem; color: var(--color-text-tertiary); }

.pay-opt__method-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--gradient-accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pay-opt__method-badge:empty { display: none; }

.pay-opt__selected {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(55, 53, 47,0.05);
}
.pay-opt__selected i { color: var(--color-accent); }


/* =========================================================================
   DEMO 15 — Personalization Engine
   ========================================================================= */
.perz-engine__toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.perz-engine__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.perz-engine__toggle {
  position: relative;
  width: 50px; height: 26px;
  cursor: pointer;
}
.perz-engine__toggle input { display: none; }
.perz-engine__toggle-track {
  position: absolute; inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-surface-elevated);
  transition: background var(--transition-base);
}
.perz-engine__toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}
.perz-engine__toggle input:checked + .perz-engine__toggle-track {
  background: var(--gradient-accent);
}
.perz-engine__toggle input:checked + .perz-engine__toggle-track::after {
  transform: translateX(24px);
}

.perz-engine__preview {
  transition: all var(--transition-slow);
}

.perz-engine__banner {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(55, 53, 47,0.08), rgba(55, 53, 47,0.06));
  margin-bottom: 1.25rem;
  transition: all var(--transition-slow);
}
.perz-engine__banner.is-returning {
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(124,58,237,0.06));
}

.perz-engine__banner-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  transition: all var(--transition-base);
}
.perz-engine__banner-content p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
  transition: all var(--transition-base);
}

.perz-engine__cta {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-lg);
  border: none;
  background: var(--gradient-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.perz-engine__cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.perz-engine__recs { }
.perz-engine__recs-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 0.6rem;
}

.perz-engine__recs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.perz-engine__rec-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-base);
}
.perz-engine__rec-card i { font-size: 1.2rem; color: var(--color-accent); }
.perz-engine__rec-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}


/* =========================================================================
   DEMO 16 — Feature Toggler Dashboard
   ========================================================================= */
.feat-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.feat-toggle__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feat-toggle__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-base);
}
.feat-toggle__item:hover { border-color: var(--color-accent); }

.feat-toggle__info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}
.feat-toggle__info i { color: var(--color-accent); }

.feat-toggle__input { display: none; }
.feat-toggle__switch {
  width: 40px; height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-surface-elevated);
  position: relative;
  flex-shrink: 0;
  transition: background var(--transition-base);
}
.feat-toggle__switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}
.feat-toggle__input:checked ~ .feat-toggle__switch {
  background: var(--gradient-accent);
}
.feat-toggle__input:checked ~ .feat-toggle__switch::after {
  transform: translateX(18px);
}

.feat-toggle__dashboard {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feat-toggle__metric {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.feat-toggle__metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.feat-toggle__metric-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  transition: all var(--transition-base);
}


/* =========================================================================
   DEMO 17 — Page Speed Visualizer (Advanced)
   ========================================================================= */
.speed-viz__controls {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.speed-viz__btn {
  flex: 1;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.speed-viz__btn.is-active {
  background: var(--gradient-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.speed-viz__btn:hover:not(.is-active) { border-color: var(--color-accent); }

.speed-viz__replay {
  width: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}
.speed-viz__replay:hover { border-color: var(--color-accent); color: var(--color-accent); }

.speed-viz__browser {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.speed-viz__browser-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: var(--color-surface);
}
.speed-viz__browser-bar > span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-surface-hover);
}
.speed-viz__browser-url {
  flex: 1;
  margin-left: 8px;
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}
.speed-viz__browser-body {
  padding: 0.75rem;
  min-height: 140px;
  background: var(--color-surface);
  position: relative;
}

.speed-viz__skel {
  border-radius: var(--radius-md);
  background: var(--color-surface);
  animation: skelPulse 1.5s ease infinite;
}
.speed-viz__skel--nav { height: 12px; width: 100%; margin-bottom: 8px; }
.speed-viz__skel--hero { height: 50px; width: 100%; margin-bottom: 8px; }
.speed-viz__skel--text { height: 10px; width: 80%; margin-top: 8px; }
.speed-viz__skel--short { width: 50%; }
.speed-viz__skel-row { display: flex; gap: 6px; }
.speed-viz__skel--card { flex: 1; height: 40px; }

.speed-viz__skel.is-loaded {
  animation: none;
  background: var(--color-bg-secondary);
  position: relative;
}
.speed-viz__skel.is-loaded::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: var(--radius-sm);
  background: var(--gradient-surface);
  opacity: 0;
  animation: speedFadeIn 0.3s ease forwards;
}
@keyframes speedFadeIn {
  to { opacity: 1; }
}

.speed-viz__timer {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}
.speed-viz__timer strong {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}


/* =========================================================================
   NEW DEMOS — Responsive Additions
   ========================================================================= */
@media (max-width: 991.98px) {
  .rec-engine__grid { grid-template-columns: repeat(2, 1fr); }
  .promo-engine { grid-template-columns: 1fr; }
  .ab-sim__split { grid-template-columns: 1fr; }
  .ab-sim__metrics { grid-template-columns: repeat(2, 1fr); }
  .feat-toggle { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
  .rec-engine__products { flex-direction: column; }
  .rec-engine__grid { grid-template-columns: 1fr 1fr; }
  .ab-sim__metrics { grid-template-columns: 1fr 1fr; }
  .perz-engine__recs-grid { grid-template-columns: 1fr 1fr; }
  .delivery-est__input-wrap { flex-direction: column; }
}

@media (max-width: 480px) {
  .rec-engine__grid { grid-template-columns: 1fr; }
  .ab-sim__metrics { grid-template-columns: 1fr; }
  .perz-engine__recs-grid { grid-template-columns: 1fr; }
  .geo-pricing__info { flex-direction: column; }
}
}


/* =========================================================================
   IMPACT DASHBOARD SECTION
   ========================================================================= */
.section--impact {
  background: var(--color-surface-2);
}

.impact-card {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--subtle-border);
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.impact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
}

.impact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.12), rgba(55, 53, 47, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.25rem;
  color: var(--color-accent);
}

.impact-card__number {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.impact-card__label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}


/* =========================================================================
   BEFORE VS AFTER SECTION
   ========================================================================= */
.ba-container {
  max-width: 800px;
  margin: 0 auto;
}

.ba-slider {
  position: relative;
  display: flex;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--subtle-border-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
  user-select: none;
}

.ba-side {
  flex: 1;
  padding: 2rem;
  min-height: 340px;
  position: relative;
}

.ba-side--before {
  background: linear-gradient(135deg, #fef2f2, #fef9ee);
}

.ba-side--after {
  background: linear-gradient(135deg, #f0fdf4, #f0fdfa);
}

.ba-side__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 1rem;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.ba-side__label--after {
  background: rgba(47, 158, 68, 0.1);
  color: #2F9E44;
}

/* Mini mockup elements */
.ba-mockup__nav {
  height: 8px;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.ba-mockup__nav--bad {
  background: var(--subtle-bg-md);
}

.ba-mockup__nav--good {
  background: linear-gradient(90deg, var(--color-accent), rgba(55, 53, 47, 0.6));
}

.ba-mockup__hero-block {
  margin-bottom: 1rem;
}

.ba-mockup__text-lg {
  height: 14px;
  width: 75%;
  border-radius: 3px;
  background: var(--subtle-bg-lg);
  margin-bottom: 0.5rem;
}

.ba-mockup__text-lg.ba-mockup__text--faded {
  opacity: 0.4;
}

.ba-mockup__text-sm {
  height: 8px;
  width: 55%;
  border-radius: 3px;
  background: var(--subtle-bg-md);
}

.ba-mockup__text-sm.ba-mockup__text--faded {
  opacity: 0.4;
}

.ba-mockup__hero-block--good .ba-mockup__text-lg {
  background: linear-gradient(90deg, var(--color-text-primary), rgba(0, 0, 0, 0.6));
}

.ba-mockup__hero-block--good .ba-mockup__text-sm {
  background: var(--subtle-bg-lg);
}

.ba-mockup__cta-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.ba-mockup__btn {
  height: 10px;
  width: 60px;
  border-radius: 5px;
  background: var(--color-accent);
}

.ba-mockup__btn--outline {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.ba-mockup__grid {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ba-mockup__grid--messy {
  gap: 0.25rem;
}

.ba-mockup__card {
  flex: 1;
  height: 50px;
  border-radius: 6px;
}

.ba-mockup__card--bad {
  background: var(--subtle-bg-md);
  border: 1px dashed rgba(0, 0, 0, 0.1);
}

.ba-mockup__card--good {
  background: rgba(55, 53, 47, 0.06);
  border: 1px solid rgba(55, 53, 47, 0.15);
}

.ba-mockup__issues,
.ba-mockup__wins {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
}

.ba-mockup__issues span {
  color: #ef4444;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.ba-mockup__wins span {
  color: #2F9E44;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Divider */
.ba-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  z-index: 10;
  cursor: ew-resize;
}

.ba-divider__line {
  position: absolute;
  inset: 0;
  background: var(--color-accent);
}

.ba-divider__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(55, 53, 47, 0.3);
  transition: transform 0.2s;
}

.ba-divider__handle:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

.ba-instruction {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}


/* =========================================================================
   INSIGHTS SECTION
   ========================================================================= */
.section--insights {
  background: var(--color-surface-2);
}

.insight-card {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--subtle-border);
  padding: 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
}

.insight-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(55, 53, 47, 0.1);
  color: var(--color-accent);
  margin-bottom: 1rem;
  align-self: flex-start;
}

.insight-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.insight-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1rem;
}

.insight-card__read {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.insight-card:hover .insight-card__read i {
  transform: translateX(4px);
}

.insight-card__read i {
  transition: transform 0.2s;
}


/* =========================================================================
   WHO I WORK WITH (CLIENTS) SECTION
   ========================================================================= */
.clients-list {
  margin-top: 2rem;
}

.clients-list__item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--subtle-border);
}

.clients-list__item:last-child {
  border-bottom: none;
}

.clients-list__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
  font-size: 1rem;
}

.clients-list__icon--yes {
  background: rgba(47, 158, 68, 0.1);
  color: #2F9E44;
}

.clients-list__item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  margin-bottom: 0.2rem;
}

.clients-list__item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.55;
}

.clients-notfit {
  background: var(--color-surface-2);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  border: 1px solid var(--subtle-border);
}

.clients-notfit__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.clients-notfit__title i {
  color: var(--color-text-tertiary);
}

.clients-notfit__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.clients-notfit__list li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.clients-notfit__list li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--color-text-tertiary);
}

.clients-notfit__note {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  font-style: italic;
  margin: 0;
}


/* =========================================================================
   LEAD MAGNET
   ========================================================================= */
.lead-magnet {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  border: 1px solid var(--subtle-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.04);
}

.lead-magnet__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(55, 53, 47, 0.12), rgba(55, 53, 47, 0.08));
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.lead-magnet__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.lead-magnet__desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.lead-magnet__checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.lead-magnet__checklist li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

.lead-magnet__checklist i {
  color: var(--color-accent);
  font-size: 1rem;
}

.lead-magnet__form-wrapper {
  position: relative;
}

.lead-magnet__form {
  display: grid;
  gap: 1rem;
}

.lead-magnet__field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.35rem;
}

.lead-magnet__field input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--color-surface-2);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  transition: var(--transition-base);
  outline: none;
}

.lead-magnet__field input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(55, 53, 47, 0.12);
}

.lead-magnet__submit {
  width: 100%;
  justify-content: center;
}

.lead-magnet__success {
  text-align: center;
  padding: 2rem;
}

.lead-magnet__success i {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.lead-magnet__success h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.lead-magnet__success p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}


/* =========================================================================
   MAGNETIC BUTTON HOVER
   ========================================================================= */
.btn--primary,
.btn--outline {
  position: relative;
  overflow: hidden;
}

.btn--primary::after,
.btn--outline::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn--primary:hover::after,
.btn--outline:hover::after {
  width: 300px;
  height: 300px;
}


/* =========================================================================
   RESPONSIVE — NEW SECTIONS
   ========================================================================= */
@media (max-width: 991.98px) {
  .arch-flow {
    flex-direction: column;
    align-items: center;
  }

  .arch-flow__connector {
    transform: rotate(90deg);
    margin-top: 0;
    padding: 0.25rem 0;
  }

  .arch-flow__node {
    min-width: auto;
    max-width: 300px;
    width: 100%;
  }

  .lead-magnet {
    padding: 2rem;
  }

  .lead-magnet__title {
    font-size: 1.3rem;
  }

  .ba-slider {
    flex-direction: column;
  }

  .ba-side {
    min-height: 260px;
  }

  .ba-divider {
    position: static;
    width: 100%;
    height: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .ba-divider__line {
    width: 100%;
    height: 2px;
    position: relative;
  }

  .ba-divider__handle {
    position: static;
    transform: none;
  }

  .ba-divider__handle:hover {
    transform: scale(1.1);
  }

  .ba-instruction {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .demo-widget__header {
    padding: 1rem 1.25rem;
  }

  .impact-card {
    padding: 1.5rem 1rem;
  }

  .impact-card__number {
    font-size: 2rem;
  }

  .lead-magnet {
    padding: 1.5rem;
  }

  .lead-magnet__title {
    font-size: 1.15rem;
  }
}

@media (max-width: 480px) {
  .arch-flow__node {
    max-width: 100%;
  }

  .ba-side {
    padding: 1.25rem;
    min-height: 220px;
  }
}

/* ============================================================
   PEP — Product Experience Platform Card Previews
   ============================================================ */
.pep-divider { text-align: left; }
.pep-divider h2 { font-size: 1.35rem; font-weight: 700; color: var(--color-heading); margin: 0; }
.pep-divider p { font-size: .88rem; color: var(--color-text-muted); margin: .3rem 0 0; }

/* Shared preview container */
.pep-preview {
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: .5rem;
}

/* Card button */
.pep-card__btn {
  display: inline-flex; align-items: center; gap: .35rem;
}

/* --- Workflow Builder Preview --- */
.pep-preview__flow {
  display: flex; align-items: center; gap: .35rem;
  flex-wrap: wrap; justify-content: center;
}
.pep-node {
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .45rem .55rem; border-radius: 6px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  font-size: .7rem; min-width: 60px; text-align: center;
}
.pep-node i { font-size: .85rem; }
.pep-node span { font-weight: 600; color: var(--color-heading); font-size: .68rem; }
.pep-node small { color: var(--color-text-muted); font-size: .6rem; }
.pep-node--trigger { border-left: 3px solid #2F9E44; }
.pep-node--action { border-left: 3px solid var(--color-heading); }
.pep-node--output { border-left: 3px solid #E8590C; }
.pep-connector {
  width: 18px; height: 2px; background: var(--color-border); flex-shrink: 0;
}

/* --- Notion Editor Preview --- */
.pep-preview--editor { padding: .75rem .85rem; }
.pep-editor-line { padding: .2rem .3rem; border-radius: 3px; font-size: .75rem; color: var(--color-text); }
.pep-editor-line--h1 { font-size: .9rem; font-weight: 700; color: var(--color-heading); margin-bottom: .15rem; }
.pep-editor-line--p { color: var(--color-text-muted); margin-bottom: .25rem; }
.pep-editor-line--todo { display: flex; align-items: center; gap: .3rem; font-size: .74rem; }
.pep-editor-line--todo i { font-size: .8rem; color: var(--color-heading); }
.pep-editor-line--done { color: var(--color-text-muted); text-decoration: line-through; }
.pep-editor-line--done i { color: #2F9E44; }
.pep-editor-line--divider { border-top: 1px solid var(--color-border); margin: .35rem 0; }
.pep-editor-line--code {
  font-family: 'JetBrains Mono', monospace; font-size: .68rem;
  background: var(--color-bg); padding: .3rem .5rem;
  border-radius: 4px; color: var(--color-text-muted);
}

/* --- Finance Dashboard Stats Preview --- */
.pep-preview--stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem;
}
.pep-stat {
  background: var(--color-bg); border-radius: 6px; padding: .5rem .6rem;
  display: flex; flex-direction: column; gap: .1rem;
}
.pep-stat__value { font-size: .95rem; font-weight: 700; color: var(--color-heading); }
.pep-stat__label { font-size: .65rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .03em; }
.pep-stat__delta { font-size: .65rem; font-weight: 600; }
.pep-stat__delta--up { color: #2F9E44; }
.pep-stat__delta--down { color: #E8590C; }

/* --- Roles & Permissions Preview --- */
.pep-preview--roles { padding: .65rem .75rem; }
.pep-role-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: .3rem 0; border-bottom: 1px solid var(--color-border);
}
.pep-role-row:last-child { border-bottom: 0; }
.pep-role-user { display: flex; align-items: center; gap: .4rem; font-size: .75rem; font-weight: 600; color: var(--color-heading); }
.pep-avatar {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-heading); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem; font-weight: 700;
}
.pep-avatar--blue { background: #4B5563; }
.pep-avatar--green { background: #2F9E44; }
.pep-role-perms { display: flex; gap: .25rem; }
.pep-perm {
  font-size: .6rem; font-weight: 600; padding: .12rem .35rem;
  border-radius: 3px;
}
.pep-perm--on { background: rgba(47,158,68,.12); color: #2F9E44; }
.pep-perm--off { background: var(--color-secondary); color: var(--color-text-muted); }

/* --- Map Analytics Preview --- */
.pep-preview--map { padding: .75rem; }
.pep-map-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .4rem;
}
.pep-map-region {
  background: var(--color-bg); border-radius: 6px;
  padding: .45rem .35rem; text-align: center;
  cursor: pointer; transition: transform .15s, box-shadow .15s;
  border: 1px solid var(--color-border);
}
.pep-map-region:hover { transform: translateY(-2px); box-shadow: 0 2px 6px rgba(0,0,0,.06); }
.pep-map-region span { display: block; font-size: .7rem; font-weight: 700; color: var(--color-heading); }
.pep-map-region small { font-size: .6rem; color: var(--color-text-muted); }

/* --- Release / Version Preview --- */
.pep-preview--releases { padding: .65rem .75rem; }
.pep-release {
  display: flex; align-items: center; gap: .5rem;
  padding: .3rem 0; border-bottom: 1px solid var(--color-border);
}
.pep-release:last-child { border-bottom: 0; }
.pep-release__badge {
  font-size: .68rem; font-weight: 700; padding: .15rem .45rem;
  border-radius: 4px; background: var(--color-secondary); color: var(--color-heading);
  font-family: 'JetBrains Mono', monospace;
}
.pep-release__badge--latest { background: var(--color-heading); color: #fff; }
.pep-release__info { flex: 1; }
.pep-release__info strong { font-size: .74rem; color: var(--color-heading); display: block; }
.pep-release__info small { font-size: .62rem; color: var(--color-text-muted); }
.pep-release__status { font-size: .62rem; font-weight: 600; display: flex; align-items: center; gap: .2rem; }
.pep-release__status i { font-size: .45rem; }
.pep-release__status--live { color: #2F9E44; }
.pep-release__status--stable { color: var(--color-heading); }
.pep-release__status--archived { color: var(--color-text-muted); }

/* --- Invoice Preview --- */
.pep-preview--invoice { padding: .65rem .75rem; }
.pep-invoice-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: .45rem;
}
.pep-invoice-header strong { font-size: .78rem; color: var(--color-heading); }
.pep-invoice-status { font-size: .62rem; font-weight: 600; display: flex; align-items: center; gap: .2rem; }
.pep-invoice-status--paid { color: #2F9E44; }
.pep-invoice-rows { display: flex; flex-direction: column; }
.pep-invoice-row {
  display: flex; justify-content: space-between;
  padding: .25rem 0; font-size: .72rem; color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.pep-invoice-row:last-child { border-bottom: 0; }
.pep-invoice-row--total { font-weight: 700; color: var(--color-heading); border-top: 2px solid var(--color-heading); border-bottom: 0; padding-top: .35rem; margin-top: .15rem; }

/* --- Funnel Preview --- */
.pep-preview--funnel { padding: .75rem; display: flex; flex-direction: column; gap: .3rem; }
.pep-funnel-stage {
  display: flex; justify-content: space-between; align-items: center;
  padding: .35rem .6rem; border-radius: 4px;
  background: var(--color-heading);
  color: #fff; font-size: .72rem;
  width: var(--fw, 100%); margin: 0 auto;
  transition: width .5s ease;
}
.pep-funnel-stage span { font-weight: 400; }
.pep-funnel-stage strong { font-weight: 700; }

/* --- Search Preview --- */
.pep-preview--search { padding: .65rem .75rem; }
.pep-search-bar {
  display: flex; align-items: center; gap: .4rem;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 6px; padding: .35rem .5rem; margin-bottom: .45rem;
}
.pep-search-bar i { color: var(--color-text-muted); font-size: .85rem; }
.pep-search-bar input {
  flex: 1; border: 0; background: transparent; font-size: .78rem;
  color: var(--color-heading); outline: none;
}
.pep-search-bar kbd {
  font-size: .6rem; padding: .1rem .3rem; border-radius: 3px;
  background: var(--color-secondary); color: var(--color-text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.pep-search-results { display: flex; flex-direction: column; }
.pep-search-result {
  display: flex; align-items: center; gap: .5rem;
  padding: .35rem .4rem; border-radius: 5px;
  font-size: .75rem; color: var(--color-text);
  cursor: pointer; transition: background .15s;
}
.pep-search-result:hover, .pep-search-result--active {
  background: var(--color-bg);
}
.pep-search-result i { font-size: .85rem; color: var(--color-text-muted); }
.pep-search-result strong { font-size: .74rem; color: var(--color-heading); display: block; }
.pep-search-result small { font-size: .62rem; color: var(--color-text-muted); }

/* --- Kanban Preview --- */
.pep-preview--kanban { display: flex; gap: .45rem; padding: .65rem .5rem; }
.pep-kanban-col { flex: 1; min-width: 0; }
.pep-kanban-col__head {
  font-size: .68rem; font-weight: 700; color: var(--color-heading);
  margin-bottom: .3rem; display: flex; justify-content: space-between;
}
.pep-kanban-col__head span { font-weight: 400; color: var(--color-text-muted); }
.pep-kanban-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: 4px; padding: .25rem .4rem;
  font-size: .65rem; color: var(--color-text);
  margin-bottom: .25rem;
}
.pep-kanban-card--active { border-left: 2px solid #E8590C; }
.pep-kanban-card--done { border-left: 2px solid #2F9E44; color: var(--color-text-muted); text-decoration: line-through; }

/* PEP responsive */
@media (max-width: 576px) {
  .pep-map-grid { grid-template-columns: repeat(3, 1fr); }
  .pep-preview--stats { grid-template-columns: 1fr; }
  .pep-preview--kanban { flex-direction: column; }
  .pep-preview__flow { flex-direction: column; }
  .pep-connector { width: 2px; height: 12px; }
}