/* ========================================
   Shipyard Landing - Fly.io + Supabase Design
   Design tokens + modern layout system
   ======================================== */

:root {
  /* Color palette - dark neutral with premium feel */
  --bg-base: #0a0e14;
  --bg-elevated: #0f1419;
  --bg-surface: #1a1f29;
  --bg-hover: #232936;
  
  /* Text colors */
  --text-primary: #f0f4f8;
  --text-secondary: #9ca9b8;
  --text-muted: #6b7785;
  
  /* Accent colors - subtle but premium */
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  
  /* Borders and dividers */
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-default: rgba(148, 163, 184, 0.2);
  --border-strong: rgba(148, 163, 184, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  
  /* Spacing scale */
  --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;
  
  /* Typography scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Layout */
  --container-max: 1280px;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Font */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  
  /* Scroll-linked motion variables (updated by JS) */
  --scrollY: 0px;
  --page01: 0;
  --hero01: 0;
}

/* ========================================
   Base styles
   ======================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated tech grid + glow background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(800px 600px at 50% 0%, rgba(59, 130, 246, 0.08), transparent 70%),
    radial-gradient(600px 500px at 80% 100%, rgba(139, 92, 246, 0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
  animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Noise texture overlay */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* Animated grid pattern */
.container::before {
  content: "";
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--container-max);
  height: 100vh;
  background-image: 
    linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
  animation: gridFade 8s ease-in-out infinite;
}

@keyframes gridFade {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.5; }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  .container::before {
    animation: none;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

code, pre {
  font-family: var(--font-mono);
}

/* ========================================
   Layout: Container
   ======================================== */

.container {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  z-index: 1;
}

@media (min-width: 768px) {
  .container {
    padding: var(--space-8) var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: var(--space-10) var(--space-8);
  }
}

/* ========================================
   Topbar Navigation
   ======================================== */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(15, 20, 25, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: var(--text-lg);
}

.brand-badge {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 1;
  filter: none;
  vertical-align: middle;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0.2px;
}

.brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  display: inline-block;
  opacity: 0.9;
  background: var(--accent-primary);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
}

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

.nav a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
}

.nav a:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.lang-switch {
  display: flex;
  gap: var(--space-1);
  margin-left: var(--space-4);
  padding-left: var(--space-4);
  border-left: 1px solid var(--border-subtle);
}

.lang-switch a {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.lang-switch a.active {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-color: var(--border-default);
}

@media (max-width: 768px) {
  .topbar {
    flex-wrap: wrap;
  }
  
  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  margin-bottom: var(--space-16);
}

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

.hero-content {
  max-width: 900px;
}

.hero h1 {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lead {
  font-size: var(--text-xl);
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 700px;
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: var(--text-6xl);
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: var(--text-4xl);
  }
  
  .hero .lead {
    font-size: var(--text-lg);
  }
}

/* ========================================
   CTA Buttons
   ======================================== */

.cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

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

.btn:active {
  transform: translateY(0);
  transition-duration: 0.05s;
}

.btn-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2);
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.btn-primary:hover {
  background: #2563eb;
  box-shadow: 
    0 0 0 1px rgba(59, 130, 246, 0.3), 
    var(--shadow-lg),
    0 0 30px rgba(59, 130, 246, 0.3);
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
  .btn:hover {
    transform: none;
  }
  .btn:active {
    transform: none;
  }
  .btn-primary::before {
    animation: none;
  }
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border-default);
}

.btn-secondary:hover {
  background: var(--bg-surface);
  border-color: var(--border-strong);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

/* ========================================
   Quickstart Code Block
   ======================================== */

.quickstart {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.quickstart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.quickstart-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
}

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

.code-line {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.code-line .prompt {
  color: var(--accent-secondary);
  user-select: none;
  flex-shrink: 0;
}

.code-line .command {
  color: var(--text-primary);
  flex: 1;
}

.code-line .comment {
  color: var(--text-muted);
  font-style: italic;
}

/* ========================================
   Bento Grid Cards
   ======================================== */

.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.bento-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.bento-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.bento-card {
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Edge highlight glow effect */
.bento-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, 
    transparent 0%, 
    rgba(59, 130, 246, 0.3) 50%, 
    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 0.3s ease;
}

.bento-card:hover {
  border-color: var(--border-strong);
  box-shadow: 
    var(--shadow-lg),
    0 0 20px rgba(59, 130, 246, 0.1),
    inset 0 0 20px rgba(59, 130, 246, 0.03);
  transform: translateY(-3px);
}

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

@media (prefers-reduced-motion: reduce) {
  .bento-card {
    transition: none;
  }
  .bento-card:hover {
    transform: none;
  }
}

.bento-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.bento-card-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

.bento-card-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  display: inline-block;
}

.bento-card-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
}

.bento-card-list li {
  padding: var(--space-2) 0;
  padding-left: var(--space-5);
  position: relative;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bento-card-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Large feature card */
.bento-card-large {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .bento-card-large {
    grid-column: span 1;
  }
}

/* ========================================
   Sections
   ======================================== */

section {
  margin: var(--space-16) 0;
}

section.section-tight {
  margin: var(--space-10) 0;
}

section h2 {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

section .section-lead {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 700px;
}

@media (max-width: 768px) {
  section h2 {
    font-size: var(--text-3xl);
  }
}

/* ========================================
   Comparison Table
   ======================================== */

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-8) 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.compare-table thead {
  background: var(--bg-surface);
}

.compare-table th,
.compare-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.compare-table th {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.compare-table td {
  color: var(--text-secondary);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:hover {
  background: var(--bg-surface);
}

.compare-highlight {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-primary);
}

@media (max-width: 768px) {
  .compare-table {
    display: block;
    overflow-x: auto;
  }
}

/* ========================================
   Callout / Alert Boxes
   ======================================== */

.callout {
  padding: var(--space-5);
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}

.callout-title {
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.callout-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

.callout-success {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.2);
}

.callout-warning {
  background: rgba(245, 158, 11, 0.05);
  border-color: rgba(245, 158, 11, 0.2);
}

.page {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin: var(--space-6) 0;
}

.page .hero {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page .hero .cta-row {
  margin-top: var(--space-2);
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

.card h2 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.card .muted {
  margin-top: var(--space-3);
}

.clean {
  list-style: none;
  margin: 0;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.clean li {
  position: relative;
  padding-left: var(--space-4);
}

.clean li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

.persona-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.persona-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1 1 0;
}

.persona-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.persona-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

.persona-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.persona-card details {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.persona-card summary {
  font-weight: 600;
  cursor: pointer;
}

.persona-right {
  flex: 0 0 auto;
}

.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 480px;
}

.form-card iframe {
  width: 100%;
  height: min(76vh, 820px);
  border: 0;
  display: block;
}

@media (min-width: 980px) {
  .persona-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .persona-right {
    flex: 0 0 370px;
  }

  .persona-right .form-card {
    position: sticky;
    top: var(--space-6);
  }
}

/* ========================================
   Badge
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--accent-success);
}

.badge-primary {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-primary);
}

/* ========================================
   Lists
   ======================================== */

.list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

.list li {
  padding: var(--space-2) 0;
  padding-left: var(--space-5);
  position: relative;
  color: var(--text-secondary);
  line-height: 1.6;
}

.list li::before {
  content: "•";
  position: absolute;
  left: var(--space-2);
  color: var(--accent-primary);
  font-weight: bold;
}

/* ========================================
   Bottom CTA Strip
   ======================================== */

.bottom-cta {
  margin: var(--space-20) 0 var(--space-16);
  padding: var(--space-8);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.bottom-cta h3 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.bottom-cta p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.bottom-cta .cta-group {
  justify-content: center;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: var(--text-sm);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer a {
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

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

/* ========================================
   Toast Notification
   ======================================== */

.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  color: var(--text-primary);
  font-size: var(--text-sm);
  z-index: 1000;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast.toast-exit {
  animation: slideOut 0.2s ease;
}

@keyframes slideOut {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(100%);
    opacity: 0;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

.text-muted {
  color: var(--text-muted);
}

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

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

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 769px) {
  .show-mobile {
    display: none;
  }
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(5px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.6s; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* ========================================
   Evidence Specimen (Proof Density)
   ======================================== */

.evidence-specimen {
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  overflow-x: auto;
}

.evidence-specimen-header {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.evidence-line {
  padding: var(--space-1) 0;
  line-height: 1.6;
  white-space: nowrap;
}

.evidence-line .timestamp {
  color: var(--text-muted);
}

.evidence-line .level-info {
  color: var(--accent-primary);
}

.evidence-line .level-success {
  color: var(--accent-success);
}

.evidence-line .field {
  color: var(--text-secondary);
}

.evidence-line .value {
  color: var(--text-primary);
}

/* ========================================
   How It Works (3-Step Process)
   ======================================== */

.how-it-works {
  margin: var(--space-12) 0;
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.step-card {
  padding: var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
}

.step-card::after {
  content: "→";
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-2xl);
  color: var(--accent-primary);
  opacity: 0.5;
}

.step-card:last-child::after {
  display: none;
}

.step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
}

.step-icon svg {
  width: 100%;
  height: 100%;
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.step-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .steps-row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .step-card::after {
    content: "↓";
    right: auto;
    left: 50%;
    top: auto;
    bottom: -32px;
    transform: translateX(-50%);
  }
}

/* ========================================
   Visual Proof Card
   ======================================== */

.visual-proof {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
}

.visual-proof-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.visual-proof-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-base);
}

.visual-proof-media img {
  width: 100%;
  height: auto;
  display: block;
}

.visual-proof-caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-align: center;
}

/* ========================================
   Evidence Tabs + Panels
   ======================================== */

.evidence-tabs {
  margin: var(--space-8) 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.evidence-tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface);
  gap: 0;
}

.evidence-tab-btn {
  flex: 1;
  padding: var(--space-4);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  text-align: left;
  transition: color 0.3s, background 0.3s;
}

.evidence-tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.evidence-tab-btn.active {
  color: var(--accent-primary);
  background: var(--bg-base);
}

.evidence-tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
}

.evidence-panels {
  position: relative;
}

.evidence-panel {
  display: none;
  padding: var(--space-6);
  background: var(--bg-base);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  animation: panelFadeIn 0.3s ease-out;
}

.evidence-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .evidence-panel {
    animation: none;
  }
}

.panel-content {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-secondary);
  max-height: 400px;
  overflow-y: auto;
  word-break: break-word;
}

.panel-copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-hover);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}

.panel-copy-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.panel-copy-btn.copied {
  background: var(--accent-success);
  color: white;
  border-color: var(--accent-success);
}

/* Evidence snippet styling */
.evidence-line {
  padding: var(--space-2) 0;
  color: var(--text-secondary);
}

.evidence-line.highlight {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  margin: 0 calc(var(--space-4) * -1);
  padding: var(--space-2) var(--space-4);
}

.evidence-label {
  color: var(--accent-secondary);
  font-weight: 500;
}

.evidence-value {
  color: var(--text-primary);
}

/* File tree styling */
.file-tree {
  white-space: pre;
}

.file-entry {
  display: block;
  color: var(--text-secondary);
  margin: var(--space-1) 0;
}

.file-entry.folder {
  color: var(--accent-primary);
  font-weight: 500;
}

.file-entry.artifact {
  color: var(--accent-success);
}

/* Diff styling */
.diff-line {
  display: block;
  padding: var(--space-1) 0;
}

.diff-line.added {
  color: var(--accent-success);
}

.diff-line.removed {
  color: var(--accent-warning);
}

.diff-line.changed {
  color: var(--accent-primary);
}

/* ========================================
   Proof Counters
   ======================================== */

.proof-counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.counter-card {
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all 0.3s;
}

.counter-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

.counter-value {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin: var(--space-2) 0;
  font-variant-numeric: tabular-nums;
}

.counter-card.revealed .counter-value {
  animation: counterUp 0.8s ease-out;
}

@keyframes counterUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .counter-card.revealed .counter-value {
    animation: none;
  }
}

.counter-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  font-weight: 500;
}

.counter-meta {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.counter-link {
  display: inline-flex;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--accent-primary);
  font-weight: 600;
}

.counter-link:hover {
  text-decoration: underline;
}

/* ========================================
   Typing Cursor Effect
   ======================================== */

.typing-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent-primary);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .typing-cursor {
    animation: none;
    opacity: 0.5;
  }
}

/* ========================================
   Scroll-Linked Motion System
   ======================================== */

.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(var(--page01));
  transform-origin: left;
  z-index: 1000;
  pointer-events: none;
}

/* Hero background drift effect */
.hero::before {
  transform: translateY(calc(var(--hero01) * -20px));
}

/* Optional: Hero headline parallax */
.hero h1 {
  transform: translateY(calc(var(--hero01) * 10px));
  opacity: calc(1 - var(--hero01) * 0.2);
}

/* Optional: Hero lead parallax */
.hero .lead {
  transform: translateY(calc(var(--hero01) * 8px));
  opacity: calc(1 - var(--hero01) * 0.15);
}

/* Optional: Hero CTA parallax */
.hero .cta-group {
  transform: translateY(calc(var(--hero01) * 6px));
}

/* Disable scroll-linked if reduce motion is true */
@media (prefers-reduced-motion: reduce) {
  .scroll-progress-bar,
  .hero h1,
  .hero .lead,
  .hero .cta-group {
    transform: none !important;
    opacity: 1 !important;
  }
}

/* ========================================
   Marquee Wall - Horizontal Proof Wall
   ======================================== */

.marquee-wall {
  margin: var(--space-12) 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-8) 0;
  overflow: hidden;
  position: relative;
}

.marquee-wall::before,
.marquee-wall::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 10;
  pointer-events: none;
}

.marquee-wall::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-base) 0%, transparent 100%);
}

.marquee-wall::after {
  right: 0;
  background: linear-gradient(90deg, transparent 0%, var(--bg-base) 100%);
}

.marquee-row {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  animation: marquee-left 40s linear infinite;
}

.marquee-row:nth-child(even) {
  animation: marquee-right 50s linear infinite;
}

.marquee-row:hover {
  animation-play-state: paused;
}

.marquee-chip {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all 0.3s;
  cursor: pointer;
}

.marquee-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--bg-hover);
}

.marquee-chip.success {
  color: var(--accent-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.marquee-chip.success:hover {
  border-color: var(--accent-success);
}

.marquee-chip.primary {
  color: var(--accent-primary);
  border-color: rgba(59, 130, 246, 0.3);
}

.marquee-chip.primary:hover {
  border-color: var(--accent-primary);
}

.marquee-chip.secondary {
  color: var(--accent-secondary);
  border-color: rgba(139, 92, 246, 0.3);
}

.marquee-chip.secondary:hover {
  border-color: var(--accent-secondary);
}

@keyframes marquee-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-100% - var(--space-4)));
  }
}

@keyframes marquee-right {
  0% {
    transform: translateX(calc(-100% - var(--space-4)));
  }
  100% {
    transform: translateX(0);
  }
}

/* Static layout when reduce motion is enabled */
@media (prefers-reduced-motion: reduce) {
  .marquee-row {
    animation: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: 0;
  }
  
  .marquee-row:nth-child(even) {
    animation: none;
  }
  
  .marquee-chip {
    cursor: default;
  }
}

/* Marquee wall fallback for static view */
.marquee-wall-static {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-wall-static {
    display: block;
    margin: var(--space-12) 0;
  }
  
  .marquee-wall-static-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
  }
}

/* ========================================
   CTA & Offer Sections
   ======================================== */

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}

.cta-row-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-right: var(--space-4);
  font-weight: 500;
}

.offer-card {
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  margin: var(--space-12) 0;
}

.offer-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.offer-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background: var(--accent-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.offer-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.offer-subtitle {
  font-size: var(--text-lg);
  color: var(--accent-primary);
  margin-bottom: var(--space-6);
  font-weight: 600;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.offer-item {
  padding: var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.offer-item-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.offer-item-content {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.offer-item-content li {
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.offer-item-content li::before {
  content: "✓";
  color: var(--accent-success);
  font-weight: 700;
  flex-shrink: 0;
}

.offer-risk-reversal {
  padding: var(--space-4);
  background: var(--bg-base);
  border-left: 2px solid var(--accent-warning);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.offer-risk-reversal strong {
  color: var(--accent-warning);
}

.offer-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ========================================
   Button Variants & States
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: #2563eb;
  border-color: #2563eb;
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(59, 130, 246, 0.1);
  border-color: #2563eb;
  color: #2563eb;
}

.btn-secondary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-default);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-outline:active:not(:disabled) {
  transform: scale(0.98);
}
/* ========================================
   Demo Page - Tabs & Deep Linking
   ======================================== */

.demo-tabs {
  margin: var(--space-8) 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.demo-tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface);
  gap: 0;
}

.demo-tab-btn {
  flex: 1;
  padding: var(--space-4);
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  text-align: left;
  transition: color 0.2s, background 0.2s;
}

.demo-tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.demo-tab-btn.active {
  color: var(--accent-primary);
  background: var(--bg-base);
}

.demo-tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
}

.demo-panels {
  position: relative;
}

.demo-panel {
  display: none;
  padding: var(--space-6);
  background: var(--bg-base);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  animation: panelFadeIn 0.3s ease-out;
}

.demo-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-panel {
    animation: none;
  }
}

.demo-panel .panel-content {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-secondary);
  max-height: 400px;
  overflow-y: auto;
  word-break: break-word;
  white-space: pre-wrap;
}

/* CTA Strip */
.cta-strip {
  margin: var(--space-16) 0 var(--space-8);
  padding: var(--space-6);
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-xl);
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 640px) {
  .cta-strip {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-strip > * {
    width: 100%;
  }
  
  .cta-strip .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Chip badges */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}

.chip:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-primary);
}

/* Responsive grid for demo page */
@media (max-width: 768px) {
  .bento-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .demo-tabs-header {
    flex-wrap: wrap;
  }
  
  .demo-tab-btn {
    flex: 1 1 auto;
    min-width: 80px;
  }
  
  .cta-strip {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-strip > div {
    text-align: center;
  }
  
  .cta-strip .btn {
    width: 100%;
  }
}


/* auto: chip-button-reset v1 */
button.chip {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
}
button.chip:focus {
  outline: 2px solid rgba(120, 180, 255, 0.35);
  outline-offset: 2px;
  border-radius: 999px;
}
/* /auto: chip-button-reset v1 */