/* ============================================
   XIA by ZT Fusion — Design System
   Dark · Violet · Intelligence · Human
   ============================================ */

:root {
  /* Colors */
  --bg-deep: #06060a;
  --bg-base: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --bg-glass: rgba(22, 22, 31, 0.75);
  --border: rgba(139, 92, 246, 0.18);
  --border-strong: rgba(139, 92, 246, 0.35);
  
  --violet-50: #f5f3ff;
  --violet-100: #ede9fe;
  --violet-200: #ddd6fe;
  --violet-300: #c4b5fd;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --violet-700: #6d28d9;
  --violet-800: #5b21b6;
  --violet-900: #4c1d95;
  
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-accent: #c4b5fd;
  
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  
  /* 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;
  
  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.25);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  
  /* Layout */
  --header-h: 72px;
  --container: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; font-size: 1rem; }

/* Canvas background */
#intelligence-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* Sound toggle */
.sound-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet-400);
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-card);
}
.sound-toggle:hover {
  border-color: var(--violet-500);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}
.sound-toggle svg { width: 22px; height: 22px; }
.sound-toggle .hidden { display: none; }

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(6, 6, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(6, 6, 10, 0.92);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-xia {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #e9d5ff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-by {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  font-weight: 500;
}
.main-nav ul {
  display: flex;
  gap: var(--space-6);
}
.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--violet-500);
  transition: width 0.3s var(--ease-out);
}
.main-nav a:hover::after { width: 100%; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.btn-ghost {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}
.btn-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.btn-text:hover { color: var(--violet-300); }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.35rem;
  background: linear-gradient(135deg, var(--violet-600), var(--violet-700));
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 0 0 0 rgba(139, 92, 246, 0);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
  background: linear-gradient(135deg, var(--violet-500), var(--violet-600));
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65rem 1.35rem;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease-out);
}
.btn-secondary:hover {
  border-color: var(--violet-400);
  background: rgba(139, 92, 246, 0.08);
}
.btn-lg { padding: 0.9rem 1.75rem; font-size: 1rem; }
.btn-xl { padding: 1.1rem 2.25rem; font-size: 1.1rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-block { width: 100%; }
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
}
.mobile-menu-btn span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + var(--space-12)) var(--space-6) var(--space-16);
  display: flex;
  align-items: center;
  z-index: 1;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--violet-400);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.hero-title .line { display: block; }
.hero-title .accent {
  background: linear-gradient(135deg, #e9d5ff 0%, #a78bfa 50%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  max-width: 420px;
}
.hero-sub strong { color: var(--violet-300); }
.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  max-width: 440px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.hero-xia-quote {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-secondary);
  border-left: 2px solid var(--violet-600);
  padding-left: var(--space-4);
  max-width: 360px;
}

/* Hero Visual / XIA Stage */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.xia-stage {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1.15;
}
.xia-figure {
  position: absolute;
  right: -20px;
  bottom: 0;
  height: 100%;
  width: auto;
  max-width: 110%;
  object-fit: contain;
  object-position: right bottom;
  z-index: 2;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
  transition: opacity 0.4s, transform 0.4s var(--ease-out);
  cursor: pointer;
}
.xia-figure:hover {
  transform: scale(1.02);
}
.interface-panel {
  position: absolute;
  left: 0;
  top: 12%;
  width: 260px;
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  z-index: 3;
  box-shadow: var(--shadow-glow);
  transform-origin: center right;
}
.panel-header {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--violet-400);
  margin-bottom: var(--space-2);
}
.panel-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.25;
  margin-bottom: var(--space-4);
}
.progress-ring {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
}
.progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.ring-bg {
  fill: none;
  stroke: rgba(139, 92, 246, 0.15);
  stroke-width: 6;
}
.ring-progress {
  fill: none;
  stroke: url(#progress-grad);
  stroke: var(--violet-500);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s var(--ease-out);
}
.progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.progress-text small {
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 500;
}
.path-steps {
  margin-bottom: var(--space-4);
}
.path-steps li {
  font-size: 0.85rem;
  padding: 0.35rem 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.path-steps li::before {
  content: '○';
  color: var(--text-muted);
  font-size: 0.7rem;
}
.path-steps li.done {
  color: var(--success);
}
.path-steps li.done::before { content: '✓'; }
.path-steps li.active {
  color: var(--violet-300);
  font-weight: 500;
}
.path-steps li.active::before {
  content: '◉';
  color: var(--violet-400);
}
.next-up {
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
  font-size: 0.75rem;
}
.next-up span {
  display: block;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.next-up strong {
  color: var(--text-primary);
  font-weight: 500;
}
.pulse-ring {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--violet-500);
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}
.zt-logo-glow {
  position: absolute;
  top: 8%;
  right: 5%;
  text-align: center;
  z-index: 1;
  opacity: 0.7;
}
.zt-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--violet-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--violet-300);
  margin: 0 auto 4px;
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}
.zt-logo-glow span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--violet-400);
}

/* Today Focus floating card */
.today-focus {
  position: absolute;
  bottom: 8%;
  right: 6%;
  width: 260px;
  padding: var(--space-5);
  z-index: 5;
}
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.focus-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--violet-400);
  margin-bottom: var(--space-2);
}
.focus-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--space-3);
}
.focus-meta {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: 0.75rem;
}
.status {
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}
.status.in-progress {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
}
.time { color: var(--text-muted); }

/* ========== MODULES ========== */
.modules {
  position: relative;
  z-index: 1;
  padding: var(--space-16) var(--space-6);
}
.container {
  max-width: var(--container);
  margin: 0 auto;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  transition: all 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  min-height: 180px;
}
.module-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.module-card.highlight {
  border-color: rgba(139, 92, 246, 0.4);
  background: linear-gradient(160deg, rgba(124, 58, 237, 0.12), var(--bg-card));
}
.mod-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  opacity: 0.9;
}
.module-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}
.module-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: var(--space-4);
}
.mod-cta {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--violet-400);
  letter-spacing: 0.04em;
}

/* ========== TRACKS ========== */
.tracks {
  padding: var(--space-12) var(--space-6);
  position: relative;
  z-index: 1;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
  text-align: center;
}
.section-sub {
  text-align: center;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-10);
  font-size: 1.05rem;
}
.track-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.track-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  transition: all 0.3s var(--ease-out);
}
.track-card:hover,
.track-card.active {
  border-color: var(--violet-500);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.1), var(--bg-card));
  box-shadow: var(--shadow-glow);
}
.track-icon {
  font-size: 1.75rem;
  color: var(--violet-400);
  margin-bottom: var(--space-3);
}
.track-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}
.level {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ========== THIS WEEK ========== */
.this-week {
  padding: var(--space-12) var(--space-6);
  position: relative;
  z-index: 1;
}
.week-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.week-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.3s;
}
.week-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.week-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--violet-400);
  margin-bottom: var(--space-3);
}
.week-badge.live {
  color: var(--success);
}
.week-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}
.week-card .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.week-card.spotlight {
  background: linear-gradient(160deg, rgba(124, 58, 237, 0.15), var(--bg-card));
}

/* ========== PILLARS ========== */
.pillars {
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.03), transparent);
}
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet-600), var(--violet-400));
  opacity: 0;
  transition: opacity 0.3s;
}
.pillar-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.pillar-card:hover::before { opacity: 1; }
.pillar-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(139, 92, 246, 0.25);
  margin-bottom: var(--space-2);
}
.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.pillar-tag {
  color: var(--violet-300);
  font-size: 0.95rem;
  margin-bottom: var(--space-5);
}
.pillar-card ul {
  margin-bottom: var(--space-6);
}
.pillar-card li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
}
.pillar-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--violet-500);
  font-size: 0.7rem;
}

/* ========== THE SHIFT ========== */
.the-shift {
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
}
.shift-header { margin-bottom: var(--space-10); }
.shift-desc {
  text-align: center;
  color: var(--text-muted);
  max-width: 520px;
  margin: var(--space-4) auto 0;
}
.shift-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.shift-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.3s;
}
.shift-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.shift-cat {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--violet-400);
  margin-bottom: var(--space-2);
}
.shift-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  line-height: 1.35;
}
.shift-meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-3);
}
.tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}
.tag.important { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.tag.new { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.tag.watch { background: rgba(139, 92, 246, 0.15); color: var(--violet-300); }
.date { font-size: 0.75rem; color: var(--text-muted); }
.shift-why {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}
.shift-cta { text-align: center; }

/* ========== AI PULSE ========== */
.ai-pulse {
  padding: var(--space-12) var(--space-6);
  position: relative;
  z-index: 1;
}
.pulse-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.pulse-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color 0.3s;
}
.pulse-item:hover { border-color: var(--border-strong); }
.pulse-status {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}
.pulse-item.new .pulse-status { color: var(--success); }
.pulse-item.important .pulse-status { color: var(--warning); }
.pulse-item.try .pulse-status { color: var(--violet-300); }
.pulse-item.updated .pulse-status { color: var(--text-secondary); }
.pulse-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ========== PROMPT LAB ========== */
.prompt-lab-teaser {
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
}
.lab-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.lab-features {
  margin: var(--space-6) 0 var(--space-8);
}
.lab-features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
}
.lab-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--violet-400);
}
.lab-demo {
  padding: var(--space-6);
}
.demo-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.demo-prompt {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  border: 1px solid var(--border);
}
.demo-arrow {
  text-align: center;
  font-size: 0.75rem;
  color: var(--violet-400);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}
.demo-result {
  margin-bottom: var(--space-4);
}
.result-item {
  font-size: 0.85rem;
  padding: 0.3rem 0;
}
.result-item.good { color: var(--success); }
.result-item.miss { color: var(--warning); }
.demo-improved {
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}
.demo-improved strong {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--violet-300);
}
.demo-improved p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* ========== LABS ========== */
.labs {
  padding: var(--space-16) var(--space-6);
  position: relative;
  z-index: 1;
}
.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  transition: all 0.3s var(--ease-out);
  text-align: center;
}
.lab-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
}
.lab-icon {
  font-size: 1.75rem;
  color: var(--violet-400);
  margin-bottom: var(--space-3);
}
.lab-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: var(--space-2);
}
.lab-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ========== MY XIA ========== */
.my-xia {
  padding: var(--space-16) var(--space-6);
  position: relative;
  z-index: 1;
}
.myxia-demo {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8);
  text-align: center;
}
.greeting {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--violet-400);
  margin-bottom: var(--space-6);
}
.myxia-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  text-align: left;
}
.myxia-item {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 1px solid var(--border);
}
.myxia-item .label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}
.myxia-item strong {
  font-size: 0.95rem;
  font-weight: 500;
}

/* ========== PRICING ========== */
.pricing {
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all 0.3s;
}
.price-card:hover {
  border-color: var(--border-strong);
}
.price-card.featured {
  border-color: var(--violet-500);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.12), var(--bg-card));
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--violet-600), var(--violet-500));
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
}
.price-tier {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--violet-300);
  margin-bottom: var(--space-2);
}
.price-amount {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}
.price-desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-size: 0.95rem;
}
.price-card ul {
  margin-bottom: var(--space-8);
}
.price-card li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
}
.price-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--violet-400);
  font-size: 0.8rem;
}

/* ========== AFFILIATES ========== */
.affiliates {
  padding: var(--space-20) var(--space-6);
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.04), transparent);
}
.aff-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.aff-benefits {
  margin: var(--space-6) 0;
}
.aff-benefits li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
}
.aff-benefits li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--violet-500);
  font-size: 0.6rem;
}
.aff-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-4);
}
.aff-form-wrap {
  padding: var(--space-8);
}
.aff-form-wrap h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-6);
  text-align: center;
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--violet-500);
}
.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* ========== FINAL CTA ========== */
.final-cta {
  padding: var(--space-24) var(--space-6);
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.xia-final-quote {
  margin-top: var(--space-8) !important;
  font-style: italic;
  color: var(--violet-300) !important;
  font-size: 1rem !important;
}

/* ========== FOOTER ========== */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: var(--space-16) var(--space-6) var(--space-8);
  background: var(--bg-base);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand .logo { margin-bottom: var(--space-4); }
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}
.footer-tag {
  color: var(--violet-400) !important;
  font-style: italic;
}
.footer-links h4 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.footer-links a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.25rem 0;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--violet-300); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-values {
  display: flex;
  gap: var(--space-6);
}
.footer-values span {
  letter-spacing: 0.06em;
  font-size: 0.7rem;
}

/* ========== MODALS ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-out);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s var(--ease-out);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.75rem;
  color: var(--text-muted);
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s;
}
.modal-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Onboarding */
.onboarding-modal {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 520px;
}
.onboard-xia {
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.2), transparent);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-4);
  border-right: 1px solid var(--border);
}
.onboard-xia img {
  max-height: 480px;
  object-fit: contain;
  transition: opacity 0.4s;
}
.onboard-content {
  padding: var(--space-10) var(--space-8);
}
.onboard-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}
.onboard-sub {
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}
.onboard-step {
  display: none;
}
.onboard-step.active {
  display: block;
  animation: fadeIn 0.4s var(--ease-out);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.onboard-step h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-5);
}
.option-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.option-grid.multi {
  grid-template-columns: 1fr 1fr;
}
.option-btn {
  text-align: left;
  padding: 0.85rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.option-btn:hover,
.option-btn.selected {
  border-color: var(--violet-500);
  background: rgba(124, 58, 237, 0.12);
  color: var(--text-primary);
}
.next-step {
  margin-top: var(--space-6);
}
.path-result {
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  text-align: left;
}
.based-on {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.path-result h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--violet-300);
  margin-bottom: var(--space-3);
}
.est, .first-result {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

/* Search modal */
.search-modal {
  max-width: 640px;
  padding: var(--space-6);
}
.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.15rem;
  outline: none;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-card);
}
.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .module-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-visual { order: -1; max-width: 400px; margin: 0 auto; }
  .today-focus { display: none; }
  .interface-panel { width: 220px; }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .track-grid, .week-grid, .pillar-grid, .shift-grid, .pulse-strip, .lab-grid, .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }
  .lab-content, .aff-content, .onboarding-modal {
    grid-template-columns: 1fr;
  }
  .onboard-xia { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .myxia-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .module-grid, .track-grid, .week-grid, .pillar-grid, .shift-grid, .pulse-strip, .lab-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .hero-ctas { flex-direction: column; }
  .option-grid.multi { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-4); }
  .footer-values { flex-wrap: wrap; justify-content: center; }
  .price-card.featured { transform: none; }
}

/* Utility */
.hidden { display: none !important; }