/* Journey Site Template — Shared Styles */
/* Dark theme, scroll animations, responsive */

:root {
  /* Override these per-instance */
  --brand-primary: #0072CE;
  --brand-secondary: #00545F;
  --brand-accent: #57C2AC;
  --brand-red: #EE3C27;
  --brand-green: #43B02A;
  
  --bg-dark: #FFFFFF;
  --bg-card: #F5F7F8;
  --bg-card-hover: #EDF0F2;
  --text-primary: #262626;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border-subtle: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.15);
  
  --font-display: 'Funnel Display', system-ui, -apple-system, sans-serif;
  --font-body: 'Funnel Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  
  --max-width: 1100px;
  --section-gap: 6rem;
}

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

html { scroll-behavior: smooth; }

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

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; color: var(--text-primary); }
h3 { font-size: 1.1rem; color: var(--text-primary); }
p { color: var(--text-secondary); max-width: 65ch; }
a { color: var(--brand-secondary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
section { padding: var(--section-gap) 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Navigation */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-primary);
}
.site-nav .nav-brand img { height: 32px; width: auto; }
.site-nav .nav-links { display: flex; gap: 1.5rem; }
.site-nav .nav-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.site-nav .nav-links a:hover,
.site-nav .nav-links a.active { color: var(--text-primary); opacity: 1; }

/* Hero */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
}
.hero h1 { margin-bottom: 1rem; }
.hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 50ch;
  margin: 0 auto;
}

/* Stat Grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Surface Cards (Platform Tour) */
.surface-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.surface-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.3s;
}
.surface-card:hover { border-color: var(--brand-accent); }
.surface-card h3 { margin-bottom: 0.5rem; }
.surface-card p { font-size: 0.9rem; }
.surface-card .route {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-accent);
  margin-bottom: 0.5rem;
}

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand-accent), var(--brand-primary), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand-accent);
  border: 2px solid var(--bg-dark);
}
.timeline-item .date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.timeline-item h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.timeline-item p { font-size: 0.85rem; color: var(--text-secondary); }

/* Phase Headers */
.phase-header {
  margin: 3rem 0 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.phase-header .phase-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.phase-header h2 { font-size: 1.2rem; margin: 0; }

/* Architecture Grid */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.arch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
}
.arch-card .arch-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-accent);
  margin-bottom: 0.5rem;
}
.arch-card h4 { font-size: 0.95rem; margin-bottom: 0.4rem; }
.arch-card p { font-size: 0.8rem; color: var(--text-muted); }

/* Callout / Status boxes */
.callout {
  background: var(--bg-card);
  border-left: 3px solid var(--brand-accent);
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout.warning { border-left-color: var(--brand-red); }
.callout.success { border-left-color: var(--brand-green); }
.callout h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.callout p { font-size: 0.85rem; }

/* Two-column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.site-footer a { color: var(--text-secondary); }

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  :root { --section-gap: 4rem; }
  .container { padding: 0 1.25rem; }
  .hero { padding: 6rem 0 3rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .surface-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .site-nav { padding: 0.75rem 1rem; }
  .site-nav .nav-links { gap: 1rem; }
  .site-nav .nav-links a { font-size: 0.7rem; }
}

/* Print */
@media print {
  .site-nav { display: none; }
  body { background: white; color: #1a1a1a; }
  .stat-card, .surface-card, .arch-card, .callout { border: 1px solid #ddd; background: #fafafa; }
  .stat-card .stat-value, h1, h2, h3, h4 { color: #1a1a1a; }
  p, .stat-card .stat-label { color: #555; }
  a { color: var(--brand-primary); }
}