/* AgentLaw — Infrastructure landing page */

:root {
  --color-bg: #0b0f1a;
  --color-surface: #131825;
  --color-surface-alt: #1a2035;
  --color-text: #e2e8f0;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-accent: #22d3ee;
  --color-accent-dim: rgba(34, 211, 238, 0.12);
  --color-accent-glow: rgba(34, 211, 238, 0.25);
  --color-green: #34d399;
  --color-green-dim: rgba(52, 211, 153, 0.12);
  --color-orange: #fb923c;
  --color-orange-dim: rgba(251, 146, 60, 0.12);
  --color-red: #f87171;
  --color-border: #1e293b;
  --color-border-light: #334155;
  --max-width: 960px;
  --radius: 8px;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-brand:hover { text-decoration: none; }
.nav-brand .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent-glow);
}
.nav-links { display: flex; gap: 1.5rem; font-size: 0.9rem; }
.nav-links a { color: var(--color-text-secondary); }
.nav-links a:hover { color: var(--color-text); text-decoration: none; }

/* Hero */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}
.btn-primary:hover { box-shadow: 0 0 20px var(--color-accent-glow); }
.btn-ghost {
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-text); }

/* Section */
section { padding: 4rem 0; }
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
section h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
section .section-desc {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.comparison-table th,
.comparison-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.comparison-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.comparison-table td:first-child {
  color: var(--color-text-secondary);
  font-weight: 500;
}
.comparison-table .col-old { color: var(--color-text-muted); }
.comparison-table .col-new { color: var(--color-green); font-weight: 600; }
.comparison-table tr:last-child td { border-bottom: none; }

/* Speed cards */
.speed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.speed-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.speed-card .metric {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}
.speed-card .metric.fast { color: var(--color-green); }
.speed-card .metric.slow { color: var(--color-text-muted); }
.speed-card .label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.speed-card .sublabel {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}
.vs-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Architecture layers */
.arch-layers {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.arch-layer {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: border-color 0.15s;
}
.arch-layer:hover { border-color: var(--color-accent); }
.arch-layer .layer-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  min-width: 2rem;
  text-align: center;
}
.arch-layer h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.arch-layer p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Code block */
.code-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 2rem 0;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.code-dots {
  display: flex;
  gap: 6px;
}
.code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border-light);
}
.code-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--color-text-secondary);
}
.code-body .comment { color: var(--color-text-muted); }
.code-body .key { color: var(--color-accent); }
.code-body .string { color: var(--color-green); }
.code-body .number { color: var(--color-orange); }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Hierarchy */
.hierarchy {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1.5rem 0;
  max-width: 500px;
}
.hierarchy-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}
.hierarchy-item .rank {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  min-width: 1.5rem;
}
.h-1 { background: rgba(34, 211, 238, 0.08); border: 1px solid rgba(34, 211, 238, 0.2); color: var(--color-accent); }
.h-2 { background: rgba(52, 211, 153, 0.08); border: 1px solid rgba(52, 211, 153, 0.2); color: var(--color-green); }
.h-3 { background: rgba(251, 146, 60, 0.08); border: 1px solid rgba(251, 146, 60, 0.2); color: var(--color-orange); }
.h-4 { background: rgba(100, 116, 139, 0.08); border: 1px solid rgba(100, 116, 139, 0.2); color: var(--color-text-muted); }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
}
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
}
.price-card.featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.08);
}
.price-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.price-card .price {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}
.price-card .price-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}
.price-card ul {
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.price-card li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}
.price-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* CTA */
.cta-section {
  text-align: center;
  padding: 5rem 0;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p {
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
footer a { color: var(--color-text-secondary); }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 4rem 0 3rem; }
  section { padding: 3rem 0; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table th, .comparison-table td { padding: 0.5rem 0.6rem; }
  .nav-links { gap: 1rem; font-size: 0.85rem; }
  .speed-grid { grid-template-columns: 1fr; }
  footer .container { flex-direction: column; text-align: center; }
}