:root {
  --bg: #0c0c14;
  --surface: #13131f;
  --surface2: #1a1a28;
  --border: #222235;
  --fg: #f0f0f8;
  --fg-muted: #8888aa;
  --accent: #00d4ff;
  --accent-dim: rgba(0,212,255,0.12);
  --green: #00e87a;
  --yellow: #f5c400;
  --mono: 'DM Mono', monospace;
  --display: 'Syne', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  font-family: var(--display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--fg);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-muted);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* HERO */
.hero {
  padding: 80px 48px 72px;
  max-width: 900px;
}
.hero-eyebrow {
  margin-bottom: 28px;
}
.eyebrow-tag {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 52px;
  line-height: 1.7;
}
.hero-metric-row {
  display: flex;
  align-items: center;
  gap: 0;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 32px 0 0;
}
.metric-val {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
}
.metric-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin-right: 32px;
}

/* HOW IT WORKS */
.howitworks {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}
.section-label {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 56px;
  max-width: 500px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.step {
  background: var(--bg);
  padding: 36px 28px;
}
.step-num {
  font-family: var(--display);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.step h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 12px;
}
.step p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ACTIVITY FEED */
.activity {
  padding: 72px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.feed {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feed-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.feed-item:last-child { border-bottom: none; }
.feed-time {
  font-size: 11px;
  color: var(--fg-muted);
  padding-top: 3px;
}
.feed-content {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.feed-tag {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.feed-tag.green { background: rgba(0,232,122,0.12); color: var(--green); }
.feed-tag.cyan { background: var(--accent-dim); color: var(--accent); }
.feed-tag.yellow { background: rgba(245,196,0,0.12); color: var(--yellow); }
.feed-text {
  font-size: 13px;
  color: var(--fg-muted);
}

/* FEATURES */
.features {
  padding: 80px 48px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  margin-top: 48px;
}
.feature {
  background: var(--surface);
  padding: 40px 36px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 17px;
  color: var(--fg);
  margin-bottom: 12px;
}
.feature p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 96px 48px;
  border-top: 1px solid var(--border);
}
.closing-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 24px;
  max-width: 700px;
}
.closing-sub {
  font-size: 15px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.75;
}

/* FOOTER */
footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}
.footer-brand {
  font-family: var(--display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--fg);
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.footer-copy {
  font-size: 11px;
  color: var(--border);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav, .hero, .howitworks, .activity, .features, .closing, footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .hero { padding-top: 48px; padding-bottom: 48px; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-metric-row { flex-direction: column; align-items: start; gap: 20px; }
  .metric-divider { display: none; }
  .metric { padding-right: 0; }
  .feed-item { grid-template-columns: 60px 1fr; }
  .feed-content { flex-direction: column; gap: 4px; }
}