:root {
  --bg-deep: #060d1a;
  --bg-primary: #0a1628;
  --bg-card: #0f1d32;
  --bg-elevated: #142640;
  --fg-primary: #e8edf5;
  --fg-secondary: #8b9dc3;
  --fg-muted: #4a6085;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --amber: #f5a623;
  --amber-glow: rgba(245, 166, 35, 0.12);
  --red-alert: #ff4d6a;
  --border: rgba(139, 157, 195, 0.1);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--fg-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 5vw 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.tag .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #00f0c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 480px;
  line-height: 1.7;
}

/* Monitor Widget */
.monitor-widget {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.monitor-header .title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.monitor-header .status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}

.monitor-header .status .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.alert-feed {
  padding: 0;
  list-style: none;
}

.alert-item {
  display: grid;
  grid-template-columns: 6px 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.alert-item:last-child {
  border-bottom: none;
}

.alert-item .severity {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 7px;
}

.severity.high { background: var(--red-alert); }
.severity.medium { background: var(--amber); }
.severity.low { background: var(--accent); }

.alert-item .alert-content h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.alert-item .alert-content p {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.alert-item .timestamp {
  font-size: 0.72rem;
  color: var(--fg-muted);
  white-space: nowrap;
}

.monitor-footer {
  padding: 12px 20px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--fg-muted);
}

.monitor-footer .metric {
  color: var(--accent);
  font-weight: 600;
}

/* === SIGNAL BAR === */
.signal-bar {
  padding: 40px 5vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
}

.signal-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.signal-stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.signal-stat .label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* === CAPABILITIES === */
.capabilities {
  padding: 120px 5vw;
  max-width: 1280px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.capabilities h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 640px;
}

.capabilities .subtitle {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  max-width: 560px;
  margin-bottom: 64px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.cap-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-2px);
}

.cap-card .icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.cap-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.cap-card p {
  font-size: 0.88rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* === INTELLIGENCE === */
.intelligence {
  padding: 100px 5vw;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.intelligence-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intelligence h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.intelligence .desc {
  font-size: 1rem;
  color: var(--fg-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.comparison-table td {
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--fg-secondary);
  border-bottom: 1px solid var(--border);
}

.comparison-table td:first-child {
  font-weight: 500;
  color: var(--fg-primary);
}

.comparison-table .cs-col {
  color: var(--accent);
  font-weight: 600;
}

/* === DOMAINS === */
.domains {
  padding: 120px 5vw;
  max-width: 1280px;
  margin: 0 auto;
}

.domains h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  text-align: center;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.domain-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}

.domain-card:hover {
  border-color: rgba(245, 166, 35, 0.3);
}

.domain-card .domain-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.domain-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.domain-card p {
  font-size: 0.84rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* === MANIFESTO === */
.manifesto {
  padding: 120px 5vw;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
  border-top: 1px solid var(--border);
  text-align: center;
}

.manifesto-inner {
  max-width: 680px;
  margin: 0 auto;
}

.manifesto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.manifesto p {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.manifesto .signature {
  margin-top: 40px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* === FOOTER === */
.site-footer {
  padding: 40px 5vw;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.site-footer .brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg-secondary);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .cap-grid {
    grid-template-columns: 1fr;
  }
  .intelligence-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .domain-grid {
    grid-template-columns: 1fr;
  }
  .signal-bar-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 100px 20px 60px;
  }
  .capabilities, .domains {
    padding: 80px 20px;
  }
  .manifesto {
    padding: 80px 20px;
  }
  .signal-bar-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}