/* === BASE === */
:root {
  --bg-primary: #080c14;
  --bg-surface: #0d1520;
  --bg-elevated: #111c2d;
  --border: rgba(255,255,255,0.07);
  --border-active: rgba(34,211,238,0.25);
  --text-primary: #e8edf5;
  --text-secondary: #7a8ba8;
  --text-muted: #4a5e78;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34,211,238,0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245,158,11,0.12);
  --red: #f87171;
  --green: #34d399;
  --green-dim: rgba(52,211,153,0.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 3rem;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  border-bottom: 1px solid var(--border);
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo-mark {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--cyan);
  border-radius: 4px;
  position: relative;
}

.nav-logo-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 2px;
}

.nav-logo-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-green 2s ease-in-out infinite;
}

.nav-dash-btn {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  text-decoration: none;
  background: var(--cyan-dim);
  border: 1px solid var(--border-active);
  padding: 0.45rem 1rem;
  border-radius: 8px;
  transition: background 0.2s, border-color 0.2s;
}

.nav-dash-btn:hover {
  background: rgba(34,211,238,0.2);
  border-color: var(--cyan);
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  padding: 5rem 3rem 4rem;
  max-width: 1300px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-active);
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.5rem;
}

.hero-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 440px;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.trust-item svg {
  color: var(--green);
  flex-shrink: 0;
}

/* === DASHBOARD MOCKUP === */
.dashboard-frame {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: 0 0 60px rgba(34,211,238,0.04), 0 32px 64px rgba(0,0,0,0.5);
}

.dash-topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.dash-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.dash-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.dash-body {
  display: grid;
  grid-template-columns: 130px 1fr;
  min-height: 340px;
}

.dash-sidebar {
  padding: 1rem 0.75rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: default;
}

.sidebar-item.active {
  background: var(--cyan-dim);
  color: var(--cyan);
}

.sidebar-icon {
  font-size: 0.65rem;
  opacity: 0.7;
}

.dash-content {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.dash-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dash-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--green);
  background: var(--green-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
}

.monitor-row {
  display: grid;
  grid-template-columns: 10px 1fr auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.monitor-row:last-of-type {
  border-bottom: none;
}

.monitor-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.monitor-status.ok {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}

.monitor-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.monitor-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-primary);
}

.monitor-label {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.monitor-change {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.change-arrow {
  font-size: 0.6rem;
  color: var(--green);
}

.change-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.monitor-change.alert .change-val {
  color: var(--text-primary);
}

.alert-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  font-weight: 600;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.monitor-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.dash-alert-strip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding: 0.55rem 0.75rem;
  background: var(--cyan-dim);
  border: 1px solid var(--border-active);
  border-radius: 6px;
}

.alert-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-green 1.8s ease-in-out infinite;
  flex-shrink: 0;
}

.alert-msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--cyan);
  flex: 1;
}

.alert-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* === HOW IT WORKS === */
.howitworks {
  padding: 5rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  max-width: 260px;
}

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.step-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.step-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.step-connector {
  width: 80px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-active), transparent);
  margin-top: 2.5rem;
  flex-shrink: 0;
}

/* === FEATURES === */
.features {
  padding: 5rem 3rem;
  border-top: 1px solid var(--border);
  max-width: 1300px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.feature-card {
  padding: 1.75rem;
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-large {
  grid-row: span 2;
  padding: 2rem;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--cyan-dim);
  border: 1px solid var(--border-active);
  border-radius: 8px;
  color: var(--cyan);
}

.feature-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.feature-large .feature-desc {
  font-size: 0.9rem;
}

/* === USE CASES === */
.usecases {
  padding: 5rem 3rem;
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.usecases-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.usecases-scroll::-webkit-scrollbar {
  height: 3px;
}

.usecases-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.usecase-card {
  flex-shrink: 0;
  width: 260px;
  padding: 1.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s;
}

.usecase-card:hover {
  border-color: var(--border-active);
}

.usecase-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  opacity: 0.7;
}

.usecase-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.usecase-desc {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* === MANIFESTO === */
.manifesto {
  padding: 5rem 3rem;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

.manifesto-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-quote {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.manifesto-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 6rem 3rem;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.closing-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.closing-sub {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.closing-vision {
  padding: 1.75rem 2rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-surface);
}

.vision-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.vision-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* === FOOTER === */
.footer {
  padding: 2.5rem 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.footer-copy a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-copy a:hover {
  color: var(--cyan);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-right {
    order: -1;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-large {
    grid-column: span 2;
    grid-row: span 1;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
  }

  .step-connector {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--border-active), transparent);
    margin-top: 0;
  }

  .nav {
    padding: 1rem 1.5rem;
  }

  .hero {
    padding: 3rem 1.5rem 3rem;
  }

  .howitworks,
  .features,
  .usecases,
  .manifesto,
  .closing {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-large {
    grid-column: span 1;
  }

  .dash-sidebar {
    display: none;
  }

  .dash-body {
    grid-template-columns: 1fr;
  }
}