/*
 * 白垩纪 AI — Design System V3
 * Aesthetic: Refined Industrial — warm materials meeting precision engineering
 * Typography: Lexend (display) + Figtree (body) + JetBrains Mono (code)
 * Palette: Terracotta #C45C26 on warm paper #FAF9F7
 */

/* ========================================================
   TYPOGRAPHY — Distinctive, not generic
   ======================================================== */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800&family=Figtree:ital,wght@0,300..900;1,300..900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ========================================================
   DESIGN TOKENS
   ======================================================== */
:root {
  /* Palette — Warm earth tones */
  --bg-base: #FAF9F7;
  --bg-surface: #FFFFFF;
  --bg-warm: #F4F1EC;
  --bg-muted: #EDEBE7;
  --bg-elevated: #FFFFFF;
  --bg-dark: #1A1814;

  /* Text — High contrast with warmth */
  --text-primary: #1A1814;
  --text-secondary: #5C574E;
  --text-tertiary: #8E897F;
  --text-inverted: #FAF9F7;

  /* Accent — Refined terracotta */
  --accent: #C45C26;
  --accent-hover: #A84D1F;
  --accent-light: #FDF6F2;
  --accent-muted: rgba(196, 92, 38, 0.08);
  --accent-glow: rgba(196, 92, 38, 0.18);
  --accent-vivid: #D96830;

  /* Semantic */
  --success: #2D6A4F;
  --warning: #D4A574;
  --error: #BC4749;

  /* Borders & Surfaces */
  --border-subtle: rgba(26, 24, 20, 0.06);
  --border-medium: rgba(26, 24, 20, 0.1);
  --border-accent: rgba(196, 92, 38, 0.2);

  /* Shadows — Layered for depth */
  --shadow-xs: 0 1px 2px rgba(26, 24, 20, 0.03);
  --shadow-sm: 0 2px 4px rgba(26, 24, 20, 0.04), 0 1px 2px rgba(26, 24, 20, 0.02);
  --shadow-md: 0 4px 12px rgba(26, 24, 20, 0.06), 0 2px 4px rgba(26, 24, 20, 0.03);
  --shadow-lg: 0 8px 24px rgba(26, 24, 20, 0.08), 0 4px 8px rgba(26, 24, 20, 0.04);
  --shadow-xl: 0 16px 48px rgba(26, 24, 20, 0.1), 0 8px 16px rgba(26, 24, 20, 0.05);
  --shadow-accent: 0 4px 24px rgba(196, 92, 38, 0.2);

  /* Typography */
  --font-display: 'Lexend', -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-body: 'Figtree', -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-sans: var(--font-body);
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing (8px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Motion — Refined curves */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.22, 1.2, 0.36, 1);
  --duration-fast: 150ms;
  --duration-normal: 280ms;
  --duration-slow: 500ms;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 100px;

  /* Atmospheric */
  --glow-warm: rgba(196, 92, 38, 0.2);
  --glow-soft: rgba(212, 165, 116, 0.12);
  --grain-opacity: 0.025;

  /* Z-layers */
  --z-bg: -1;
  --z-base: 1;
  --z-card: 10;
  --z-nav: 100;
  --z-overlay: 200;
  --z-cursor: 300;

  /* Stagger delays */
  --stagger-1: 0ms;
  --stagger-2: 80ms;
  --stagger-3: 160ms;
  --stagger-4: 240ms;
  --stagger-5: 320ms;
  --stagger-6: 400ms;
}

/* ========================================================
   RESET & BASE
   ======================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-base);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================================
   TYPOGRAPHY SCALE
   ======================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

.display {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.h1 { font-size: clamp(32px, 4vw, 42px); }
.h2 { font-size: clamp(26px, 3vw, 34px); }
.h3 { font-size: clamp(22px, 2.5vw, 26px); }
.h4 { font-size: 20px; }

.body-lg {
  font-size: 18px;
  line-height: 1.75;
}

.body { font-size: 16px; }

.body-sm {
  font-size: 14px;
  line-height: 1.6;
}

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }

/* ========================================================
   LAYOUT
   ======================================================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-10) 0;
  position: relative;
}

.bg-warm { background: var(--bg-warm); }

.grid-asymmetric {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-8);
  align-items: center;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

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

/* ========================================================
   NAVIGATION
   ======================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-3) var(--space-5);
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  padding: var(--space-2) var(--space-5);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  transition: transform var(--duration-normal) var(--ease-out);
}

.logo:hover .logo-mark {
  transform: rotate(6deg) scale(1.05);
}

.logo-mark svg { width: 100%; height: 100%; }

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--accent); }
.nav-link.active::after { width: 100%; }

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--text-primary);
}

.mobile-menu {
  display: none;
  padding: var(--space-4) var(--space-5) var(--space-6);
  background: rgba(250, 249, 247, 0.98);
  backdrop-filter: blur(16px);
}

.mobile-menu.active { display: block; }

.mobile-nav-link {
  display: block;
  padding: var(--space-3) 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--duration-fast);
}

.mobile-nav-link:hover { color: var(--accent); }

/* ========================================================
   BUTTONS
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--text-inverted);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--bg-warm);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: white;
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: 15px;
  border-radius: var(--radius-md);
}

.btn-text { position: relative; z-index: 1; }

/* Ripple effect */
.btn-ripple::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255,255,255,0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-ripple:active::before { opacity: 1; }

/* ========================================================
   PAGE LOADER
   ======================================================== */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

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

.loader-logo {
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
}

/* ========================================================
   HERO
   ======================================================== */
.hero {
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: var(--space-8);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Atmospheric gradient mesh */
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -30%;
  right: -30%;
  bottom: -40%;
  background:
    radial-gradient(ellipse 70% 50% at 25% 35%, var(--glow-warm) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 75% 20%, var(--glow-soft) 0%, transparent 55%),
    radial-gradient(ellipse 40% 50% at 55% 75%, rgba(45, 106, 79, 0.06) 0%, transparent 50%);
  animation: heroMesh 25s ease-in-out infinite;
  pointer-events: none;
  z-index: var(--z-bg);
}

@keyframes heroMesh {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(1.5%, -1%) scale(1.02); }
  66% { transform: translate(-1%, 1.5%) scale(0.99); }
}

.hero-container-inner { position: relative; z-index: var(--z-base); }

/* Hero animated lines */
.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: var(--z-bg);
}

.hero-line {
  position: absolute;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(196, 92, 38, 0.06), transparent);
  animation: lineShimmer 8s ease-in-out infinite;
}

.hero-line:nth-child(1) { left: 15%; animation-delay: 0s; }
.hero-line:nth-child(2) { left: 30%; animation-delay: 1.2s; }
.hero-line:nth-child(3) { left: 50%; animation-delay: 2.4s; }
.hero-line:nth-child(4) { left: 70%; animation-delay: 3.6s; }
.hero-line:nth-child(5) { left: 85%; animation-delay: 4.8s; }

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

/* Hero content */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px var(--space-4);
  background: var(--accent-light);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: var(--space-6);
}

.hero-title {
  margin-bottom: var(--space-5);
}

.hero-title-gradient,
.ai-agent-highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #E88B5A 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: var(--space-7);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-7);
  border-top: 1px solid var(--border-subtle);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
  font-weight: 500;
}

/* Hero visual card */
.hero-visual { position: relative; }

.visual-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  transition: transform var(--duration-slow) var(--ease-out), box-shadow var(--duration-slow) var(--ease-out);
}

.visual-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--border-accent);
}

.visual-card-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-warm);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.visual-card-body { padding: var(--space-4); }

.visual-card-body img {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-7);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.scroll-indicator-line {
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, var(--text-tertiary), transparent);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.5; }
}

/* Section divider */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-medium), transparent);
}

/* ========================================================
   FEATURE CARDS
   ======================================================== */
.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(300px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-muted), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-normal);
  pointer-events: none;
}

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

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

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

.feature-card:hover::after { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--accent);
  transition: background var(--duration-normal);
}

.feature-card:hover .feature-icon {
  background: rgba(196, 92, 38, 0.14);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ========================================================
   BENTO GRID — AI Pillars
   ======================================================== */
.bento-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-5);
}

.bento-item {
  transition: transform var(--duration-slow) var(--ease-out), box-shadow var(--duration-slow);
}

.bento-item:hover {
  box-shadow: var(--shadow-lg);
}

.bento-wide {
  grid-column: 1;
  grid-row: 1 / 3;
}

.bento-tall {
  grid-column: 2;
  grid-row: 1;
}

.pillar-image-container {
  flex: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-warm);
}

.pillar-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}

.bento-item:hover .pillar-image-container img {
  transform: scale(1.03);
}

.pillar-image-tall {
  flex: 1;
}

/* Border beam effect */
.border-beam {
  position: relative;
  overflow: hidden;
}

.border-beam::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--beam-angle, 0deg), transparent 60%, var(--accent) 80%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.border-beam:hover::before { opacity: 0.4; }

/* Card premium hover glow */
.card-premium {
  position: relative;
}

.card-glow::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(196, 92, 38, 0.15), transparent 50%, rgba(196, 92, 38, 0.05));
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  z-index: -1;
}

.card-glow:hover::after { opacity: 1; }

/* Glow border */
.glow-border {
  position: relative;
}

/* ========================================================
   COMPARISON SECTION
   ======================================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.dimension-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--ease-out);
  display: flex;
  flex-direction: column;
  position: relative;
}

.dimension-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-muted), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

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

.dimension-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 92, 38, 0.15);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--bg-warm);
}

.dimension-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dimension-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.card-matrix th,
.card-matrix td {
  padding: var(--space-2) var(--space-1);
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.card-matrix tr:last-child td { border-bottom: none; }

.sys-name {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-tertiary);
  width: 50px;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.sys-val {
  color: var(--text-secondary);
  line-height: 1.5;
}

.sys-val.warning { color: var(--error); }

.ai-row { background: rgba(196, 92, 38, 0.04); border-radius: var(--radius-sm); }
.ai-row .sys-name { color: var(--accent); }
.ai-row .sys-val { color: var(--text-primary); font-weight: 500; }
.ai-row .sys-val strong {
  color: var(--accent);
  display: block;
  margin-bottom: 2px;
}

/* Comparison footer */
.comparison-footer {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.summary-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
}

.summary-icon-inner {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.summary-content h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.summary-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-content li {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  padding-left: var(--space-4);
  position: relative;
}

.summary-content li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--text-tertiary);
}

.summary-box.highlight {
  border-color: var(--accent);
  background: rgba(196, 92, 38, 0.02);
}

.summary-box.highlight li::before {
  content: '\2713';
  color: var(--accent);
}

/* ========================================================
   SOLUTION CARDS
   ======================================================== */
.solution-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
}

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

.solution-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-warm);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.solution-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.solution-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  line-height: 1.65;
}

.solution-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.solution-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
}

.solution-list li svg {
  color: var(--success);
  flex-shrink: 0;
}

/* ========================================================
   SCENARIO SECTION (Tabs + Cards)
   ======================================================== */
.scenario-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.scenario-tab {
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.scenario-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.scenario-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.scenario-panel { display: none; }
.scenario-panel.active { display: block; }

.scenario-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.3s var(--ease-out);
}

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

.scenario-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-muted), rgba(196, 92, 38, 0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.scenario-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.scenario-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.scenario-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.scenario-card-result {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--success);
  padding: var(--space-3);
  background: rgba(45, 106, 79, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(45, 106, 79, 0.08);
}

.scenario-card-result svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ========================================================
   CASE STUDIES
   ======================================================== */
.cases-section { position: relative; }

.case-story {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-sm);
}

.case-story-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.case-number {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
}

.case-meta { flex: 1; }

.case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-muted);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-2);
}

.case-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.case-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* Flow steps */
.case-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.flow-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  position: relative;
}

.flow-connector {
  width: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.flow-connector::before {
  content: '';
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, var(--border-medium), var(--accent), var(--border-medium));
}

.flow-connector::after {
  content: '\2192';
  position: absolute;
  font-size: 14px;
  color: var(--accent);
}

.step-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.step-avatar.worker { background: var(--accent); }
.step-avatar.inspector { background: var(--success); }
.step-avatar.manager { background: #4B88A2; }
.step-avatar.finance { background: #8338EC; }

.step-content { flex: 1; min-width: 0; }

.step-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 2px;
}

.step-action {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.step-result {
  font-size: 12px;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 4px;
}

.step-counter {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  flex-shrink: 0;
}

.step-counter span {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.step-counter.live { color: var(--success); font-size: 16px; }
.step-counter.auto { color: #8338EC; font-size: 16px; }

/* Case card v2 */
.case-card-v2 {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.case-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.case-number-sm {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
}

.case-tag-sm {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.case-title-sm {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}

/* Efficiency chart bars */
.efficiency-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  height: 120px;
  padding: 0 var(--space-2);
  margin-bottom: var(--space-2);
}

.chart-bar {
  flex: 1;
  height: var(--height);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.bar-fill {
  width: 100%;
  height: 100%;
  border-radius: 6px 6px 2px 2px;
  transition: height 0.5s var(--ease-out);
}

.bar-fill.warming { background: linear-gradient(to top, #F0D9C3, #E8C4A8); }
.bar-fill.peak { background: linear-gradient(to top, var(--accent), var(--accent-vivid)); }
.bar-fill.normal { background: linear-gradient(to top, #D4A574, #C89B68); }
.bar-fill.fatigue { background: linear-gradient(to top, #E8B4B4, #D9A0A0); }

.bar-label {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.chart-axis {
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-2);
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.chart-legend {
  display: flex;
  gap: var(--space-4);
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.legend-item { display: flex; align-items: center; gap: 6px; }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot.warming { background: #E8C4A8; }
.dot.peak { background: var(--accent); }
.dot.fatigue { background: #D9A0A0; }

.case-summary-bar {
  display: flex;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* Worker comparison cards */
.worker-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.worker-card {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-warm);
}

.worker-card.grade-a { border-left: 3px solid var(--success); }
.worker-card.grade-b { border-left: 3px solid var(--accent); }
.worker-card.grade-c { border-left: 3px solid var(--text-tertiary); }

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

.worker-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.worker-meta { flex: 1; }
.worker-name { font-weight: 600; font-size: 14px; display: block; }
.worker-exp { font-size: 12px; color: var(--text-tertiary); }

.worker-grade {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.worker-stats { display: flex; flex-direction: column; gap: var(--space-2); }

.stat-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 12px;
}

.stat-row .stat-name {
  width: 60px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.stat-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--bg-muted);
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.8s var(--ease-out);
}

.stat-row .stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  width: 60px;
  text-align: right;
}

.insight-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(196, 92, 38, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-accent);
  font-size: 13px;
  color: var(--text-secondary);
}

.insight-box svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ========================================================
   WAGE CALCULATOR
   ======================================================== */
.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.calculator-input-section { display: flex; flex-direction: column; gap: var(--space-5); }

.input-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.input-label {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.input-wrapper input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  width: 100%;
}

.input-wrapper input::placeholder {
  color: var(--bg-muted);
}

.input-unit {
  font-size: 18px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.mode-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mode-card {
  padding: var(--space-5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-surface);
}

.mode-card:hover { border-color: var(--border-medium); }

.mode-card.active {
  border-color: var(--accent);
  background: var(--accent-light);
}

.mode-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.mode-radio {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-medium);
  transition: all 0.2s;
}

.mode-card.active .mode-radio {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px white;
}

.mode-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
}

.mode-badge {
  font-size: 10px;
  font-weight: 600;
  background: var(--accent);
  color: white;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: auto;
}

.mode-rule {
  margin-bottom: var(--space-2);
}

.rule-price {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.rule-unit {
  font-size: 14px;
  color: var(--text-tertiary);
}

.mode-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 0;
}

.mode-tiers {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.tier-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
}

.tier-range { color: var(--text-secondary); }
.tier-price { font-family: var(--font-mono); font-weight: 600; color: var(--text-primary); }
.tier-item.highlight .tier-price { color: var(--accent); font-weight: 700; }

/* Calculator result */
.calculator-result-section { position: sticky; top: 100px; }

.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.result-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.result-amount {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--space-5);
}

.result-breakdown {
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.breakdown-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.breakdown-line {
  display: flex;
  justify-content: space-between;
  padding: var(--space-1) 0;
  font-size: 13px;
}

.breakdown-line .calc { color: var(--text-secondary); }
.breakdown-line .result { font-family: var(--font-mono); font-weight: 600; }

.breakdown-placeholder {
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  padding: var(--space-3);
}

.result-summary { border-top: 1px solid var(--border-subtle); padding-top: var(--space-4); }

.summary-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: 14px;
}

.summary-item .summary-label { color: var(--text-secondary); }

.summary-item .summary-value {
  font-family: var(--font-mono);
  font-weight: 600;
}

.summary-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-2) 0;
}

.summary-item.total .summary-label {
  font-weight: 600;
  color: var(--text-primary);
}

.summary-item.total .summary-value {
  font-size: 18px;
  color: var(--accent);
}

/* ========================================================
   HARDWARE / PARTNERS
   ======================================================== */
.partners-marquee {
  overflow: hidden;
  padding: var(--space-6) 0;
  position: relative;
}

.partners-marquee::before,
.partners-marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
}

.partners-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-base), transparent);
}

.partners-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-base), transparent);
}

.partners-track {
  display: flex;
  gap: var(--space-8);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.partner-item {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-tertiary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

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

/* ========================================================
   PRICING / RaaS
   ======================================================== */
.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  transition: all 0.3s var(--ease-out);
}

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

.pricing-card.featured {
  border-color: var(--accent);
  position: relative;
}

.pricing-card.featured::before {
  content: '\63A8\8350';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}

.card-badge {
  display: inline-block;
  background: rgba(196, 92, 38, 0.1);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

/* RaaS Steps */
.raas-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.raas-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.raas-step-content { flex: 1; }

/* RaaS Benefits grid */
.raas-benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.raas-benefit-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.raas-benefit-item:hover { background: rgba(196, 92, 38, 0.03); }

.raas-benefit-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.raas-benefit-content h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.raas-benefit-content p {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0;
}

/* ========================================================
   ABOUT
   ======================================================== */
.about-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

.about-stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.about-stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* ========================================================
   CONTACT
   ======================================================== */
.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
}

.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  background: var(--bg-surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-card {
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  transition: transform 0.2s;
}

.contact-info-card:hover { transform: translateX(4px); }

/* ========================================================
   FOOTER
   ======================================================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-inverted);
  padding: var(--space-9) 0 var(--space-7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer-desc {
  font-size: 14px;
  color: rgba(250, 249, 247, 0.5);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
  color: rgba(250, 249, 247, 0.5);
}

.footer-link {
  display: block;
  font-size: 14px;
  color: rgba(250, 249, 247, 0.7);
  text-decoration: none;
  padding: var(--space-2) 0;
  transition: color 0.2s;
}

.footer-link:hover { color: var(--text-inverted); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(250, 249, 247, 0.1);
  font-size: 13px;
  color: rgba(250, 249, 247, 0.35);
}

/* ========================================================
   ANIMATION SYSTEM — Scroll Reveals
   ======================================================== */

/* Reveal base states */
.reveal,
.reveal-blur,
.reveal-left,
.reveal-right {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-blur { filter: blur(4px); }
.reveal-left { transform: translateX(-24px); }
.reveal-right { transform: translateX(24px); }

.reveal.revealed,
.reveal-blur.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translate(0, 0);
  filter: none;
}

/* Reveal hidden (inline script compat) */
.reveal-hidden {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-active,
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger.visible > * {
  animation: staggerIn 0.6s var(--ease-out) both;
}

.reveal-stagger.visible > *:nth-child(1) { animation-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { animation-delay: 80ms; }
.reveal-stagger.visible > *:nth-child(3) { animation-delay: 160ms; }
.reveal-stagger.visible > *:nth-child(4) { animation-delay: 240ms; }
.reveal-stagger.visible > *:nth-child(5) { animation-delay: 320ms; }
.reveal-stagger.visible > *:nth-child(6) { animation-delay: 400ms; }

@keyframes staggerIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero entry animations */
.anim-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.anim-fade-in {
  opacity: 0;
  transition: opacity 0.8s var(--ease-out);
}

.anim-scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.anim-fade-up.anim-active { opacity: 1; transform: translateY(0); }
.anim-fade-in.anim-active { opacity: 1; }
.anim-scale-in.anim-active { opacity: 1; transform: scale(1); }

/* Subtle float animation */
.float-subtle {
  animation: subtleFloat 6s ease-in-out infinite;
}

@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Film grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity);
  pointer-events: none;
  z-index: 9998;
}

/* Custom cursor (desktop) */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.custom-cursor.hovering {
  width: 40px;
  height: 40px;
  border-color: rgba(196, 92, 38, 0.5);
}

.custom-cursor.clicking {
  width: 16px;
  height: 16px;
  background: var(--accent);
}

/* Text scramble chars */
.scramble-char {
  color: var(--accent);
  opacity: 0.5;
}

/* Neural background (compat) */
.neural-bg,
.neural-grid,
.neural-glow,
.neural-glow-secondary {
  display: none;
}

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 1024px) {
  .grid-asymmetric {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .bento-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .bento-wide {
    grid-column: 1;
    grid-row: auto;
  }

  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-footer { grid-template-columns: 1fr; }

  .calculator-container { grid-template-columns: 1fr; }
  .calculator-result-section { position: static; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 768px) {
  .section { padding: var(--space-8) 0; }

  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero { min-height: auto; padding-top: 100px; padding-bottom: var(--space-7); }

  .display { font-size: clamp(32px, 8vw, 48px); }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-5);
  }

  .hero-stats .stat {
    width: calc(50% - var(--space-3));
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }

  .grid-3.mobile-scroll {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    margin: 0 calc(-1 * var(--space-5));
  }

  .grid-3.mobile-scroll::-webkit-scrollbar { display: none; }

  .grid-3.mobile-scroll > * {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 280px;
    min-width: 280px;
  }

  .grid-2.mobile-scroll {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    margin: 0 calc(-1 * var(--space-5));
  }

  .grid-2.mobile-scroll::-webkit-scrollbar { display: none; }

  .grid-2.mobile-scroll > * {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 300px;
    min-width: 300px;
  }

  .case-flow { flex-direction: column; }
  .flow-connector { width: auto; height: 24px; transform: rotate(90deg); }

  .about-stats { gap: var(--space-5); }

  .raas-benefits-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-2); text-align: center; }

  .stat-value { font-size: 28px; }
}

@media (max-width: 640px) {
  .comparison-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    margin: var(--space-5) calc(-1 * var(--space-5));
  }

  .comparison-grid::-webkit-scrollbar { display: none; }

  .dimension-card {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 300px;
    min-width: 300px;
    padding: var(--space-4);
  }

  .dimension-title { font-size: 16px; }
  .card-matrix { font-size: 12px; }
  .sys-name { font-size: 10px; width: 40px; }

  .comparison-footer {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-top: var(--space-5);
  }

  .summary-box {
    padding: var(--space-4);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .pricing-card {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: 280px;
    min-width: 280px;
  }

  .result-amount { font-size: 36px; }
}

/* ========================================================
   UTILITY OVERRIDES — SVG icon colors
   ======================================================== */
.feature-icon svg,
.dimension-icon svg,
.scenario-card-icon svg {
  color: var(--accent);
  stroke: var(--accent);
}

/* Dot pattern decoration (dimension cards) */
.dot-pattern {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 40px;
  height: 40px;
  opacity: 0.04;
  background-image: radial-gradient(circle, var(--text-primary) 1px, transparent 1px);
  background-size: 6px 6px;
  pointer-events: none;
}