:root {
  --bg: #0a0c14;
  --surface: #10131f;
  --surface2: #161929;
  --border: #1e2336;
  --fg: #e8eaf2;
  --fg-muted: #7a8196;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent2: #7b6cff;
  --hot: #ff6b4a;
  --trend: #ffc94d;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  background: rgba(10, 12, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.3px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -3px;
  margin-bottom: 28px;
  color: var(--fg);
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
  font-weight: 400;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 32px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--accent);
}
.stat-label {
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.hero-stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* MONITOR CARD */
.hero-visual {
  position: relative;
}
.monitor-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 170, 0.05);
}
.monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.monitor-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}
.monitor-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--hot);
  font-weight: 500;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: var(--hot);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease-in-out infinite;
}
.monitor-feed {
  padding: 8px 0;
}
.feed-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(30, 35, 54, 0.5);
  font-size: 13px;
  align-items: start;
}
.feed-item:last-child { border-bottom: none; }
.feed-item-hot .feed-text { color: var(--hot); }
.feed-item-trend .feed-text { color: var(--trend); }
.feed-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  padding-top: 1px;
}
.feed-text {
  color: var(--fg);
  line-height: 1.5;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header {
  text-align: center;
  margin-bottom: 64px;
}
.features-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}
.features-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--surface2); }
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
}
.feature-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* CLOSING */
.closing {
  padding: 100px 40px 120px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  letter-spacing: -4px;
  line-height: 1.0;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 56px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.closing-statement {
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.5;
}
.closing-statement strong {
  color: var(--accent);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  background: var(--accent-dim);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}
.footer-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}
.footer-desc {
  font-size: 13px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 100px 24px 60px;
  }
  .hero-visual { display: none; }
  .features { padding: 60px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .closing { padding: 60px 24px 80px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .hero-stat-row { flex-wrap: wrap; gap: 20px; }
}
@media (max-width: 480px) {
  .nav { padding: 0 20px; }
  .hero { padding: 80px 20px 48px; }
  .features { padding: 48px 20px; }
  .closing { padding: 48px 20px 60px; }
  .closing-headline { letter-spacing: -2px; }
}