@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@500;700&family=Syne:wght@700;800&display=swap');

:root {
  --bg-primary: #000000;
  --bg-secondary: #050505;
  --bg-tertiary: #0a0a0a;
  --bg-card: #0d0d0d;
  --bg-card-hover: #141414;
  --border-subtle: #1a1a1a;
  --border-tactical: #262626;
  --border-accent: #ff9f0a;
  --text-primary: #ededed;
  --text-secondary: #a0a0a0;
  --text-muted: #555555;
  --accent-amber: #ff9f0a;
  --accent-amber-glow: rgba(255, 159, 10, 0.15);
  --accent-green: #30d158;
  --accent-cyan: #64d2ff;
  --accent-red: #ff453a;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Space Grotesk', 'Syne', sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Nav */
.tactical-header {
  border-bottom: 1px solid var(--border-tactical);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-badge {
  background: var(--accent-amber);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.1em;
}

.brand-title {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-amber);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-tactical-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}

.btn-tactical-sm:hover {
  background: var(--accent-amber);
  color: #000;
}

/* Main Content */
.main-wrapper {
  flex: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 40px 0 60px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-tactical);
  padding: 4px 12px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-amber);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-pill .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
}

.hero-heading {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 900px;
}

.hero-subheading {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.6;
  max-width: 780px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary-tactical {
  background: var(--accent-amber);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 28px;
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: 0.05em;
  border: 1px solid var(--accent-amber);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary-tactical:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-amber-glow);
}

.btn-secondary-tactical {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid var(--border-tactical);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary-tactical:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
  background: var(--bg-card);
}

/* Console Telemetry Banner */
.telemetry-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-tactical);
  border-radius: 4px;
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.telemetry-label {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.telemetry-value {
  color: var(--text-primary);
  font-weight: 600;
}

.telemetry-value.amber {
  color: var(--accent-amber);
}

.telemetry-value.green {
  color: var(--accent-green);
}

/* Section Styling */
.section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-amber);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 680px;
  margin-bottom: 40px;
}

/* Tactical Modules Grid */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.tactical-card {
  background: var(--bg-card);
  border: 1px solid var(--border-tactical);
  border-radius: 4px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.tactical-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-amber);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.card-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-amber);
  letter-spacing: 0.08em;
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.card-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  margin-top: auto;
}

.card-spec-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.spec-val {
  color: var(--text-primary);
  font-weight: 500;
}

/* Code & Terminal blocks */
.terminal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-tactical);
  border-radius: 4px;
  overflow: hidden;
  margin: 32px 0;
}

.terminal-bar {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-tactical);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background: var(--border-tactical);
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: auto;
}

.terminal-body .cmd {
  color: var(--accent-amber);
}

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

/* Coverage Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
  margin: 24px 0;
}

.spec-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-tactical);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.spec-table tr:hover td {
  background: rgba(255, 159, 10, 0.02);
}

.badge-green {
  background: rgba(48, 209, 88, 0.1);
  color: var(--accent-green);
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid rgba(48, 209, 88, 0.25);
  font-size: 11px;
}

/* Footer */
.tactical-footer {
  border-top: 1px solid var(--border-tactical);
  background: var(--bg-secondary);
  padding: 40px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--accent-amber);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-heading {
    font-size: 32px;
  }
  .nav-links {
    display: none;
  }
  .module-grid {
    grid-template-columns: 1fr;
  }
}