:root {
  --bg: #0a0a0f;
  --bg-surface: #111118;
  --bg-card: #16161e;
  --fg: #f0f0f8;
  --fg-muted: #8888a0;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --warn: #f5a623;
  --ok: #00e87a;
  --border: rgba(255,255,255,0.06);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-pill {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 5px 12px;
  border-radius: 20px;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 80px;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-text h1 {
  font-size: clamp(36px, 5vw, 58px);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-sub {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 480px;
  line-height: 1.7;
}

/* FEED WINDOW */
.hero-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feed-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
}
.feed-window {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-family: 'Space Grotesk', monospace;
  font-size: 13px;
}
.feed-row {
  display: grid;
  grid-template-columns: 48px 16px 1fr 80px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.feed-row:last-child { border-bottom: none; }
.feed-time { color: var(--fg-muted); font-size: 11px; }
.feed-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.dot-ok { background: var(--ok); }
.dot-warn { background: var(--warn); }
.dot-action { background: var(--accent); }
.feed-metric { color: var(--fg); font-weight: 500; }
.feed-val { color: var(--fg); font-weight: 600; text-align: right; }
.feed-status { color: var(--fg-muted); font-size: 12px; text-align: right; }
.feed-ok { background: rgba(0, 232, 122, 0.03); }
.feed-warn { background: rgba(245, 166, 35, 0.06); }
.feed-action { background: rgba(0, 212, 255, 0.08); }

/* PROOF BAND */
.proof-band {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 40px;
}
.proof-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}
.proof-stat {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.proof-stat span { font-size: 28px; }
.proof-label {
  font-size: 14px;
  color: var(--fg-muted);
  max-width: 180px;
  margin-top: 4px;
}
.proof-sep {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header {
  max-width: 600px;
  margin-bottom: 64px;
}
.section-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.features-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.02em;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}
.feature-card:hover { background: #1a1a24; }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--fg-muted);
  font-size: 14px;
  line-height: 1.65;
}

/* HOW */
.how {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 100px 40px;
}
.how-inner {
  max-width: 900px;
  margin: 0 auto;
}
.how-inner .section-eyebrow { margin-bottom: 16px; }
.how-inner > h2 {
  font-size: 36px;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.how-step {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.how-step:last-child { border-bottom: none; }
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  min-width: 32px;
  padding-top: 4px;
}
.step-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step-content p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 600px;
}

/* DIFFERENCE */
.difference {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.diff-header { margin-bottom: 64px; }
.diff-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.02em;
  margin-top: 16px;
}
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.diff-col { background: var(--bg-card); padding: 40px; }
.diff-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 28px;
}
.diff-col ul { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.diff-col li {
  font-size: 15px;
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}
.diff-old li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.diff-new li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* CLOSING */
.closing {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 120px 40px;
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-overline {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.closing h2 {
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  line-height: 1.1;
}
.closing-body {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.7;
}

/* FOOTER */
footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
}
.footer-sub { color: var(--fg-muted); font-size: 14px; }
.footer-legal { color: rgba(255,255,255,0.2); font-size: 12px; margin-top: 8px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-feed { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .proof-inner { gap: 32px; }
  .proof-sep { display: none; }
}
@media (max-width: 600px) {
  nav, .hero, .features, .how, .difference, .closing, footer { padding-left: 20px; padding-right: 20px; }
  .hero { padding-top: 120px; }
}