:root {
  --bg: #0b0f14;
  --bg-card: #111820;
  --bg-card-hover: #162030;
  --fg: #e8edf5;
  --fg-muted: #7a8899;
  --accent: #00e5c8;
  --accent-dim: rgba(0, 229, 200, 0.12);
  --accent-glow: rgba(0, 229, 200, 0.25);
  --success: #00e5c8;
  --warning: #f5a623;
  --border: #1a2535;
  --code-key: #ff79c6;
  --code-str: #00e5c8;
  --code-bool: #bd93f9;
}

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

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

/* NAV */
nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.5px;
}
.nav-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
  padding: 3px 10px;
  border-radius: 20px;
}

/* HERO */
.hero {
  padding: 80px 48px 60px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.8;
}
.code-comment { color: var(--fg-muted); }
.code-keyword { color: #ff79c6; }
.code-str { color: var(--accent); }
.code-bool { color: #bd93f9; }
.code-line { display: block; }

/* Dashboard Mock */
.hero-graphic { display: flex; justify-content: center; }
.dashboard-mock {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 380px;
  overflow: hidden;
  box-shadow: 0 0 60px var(--accent-glow), 0 20px 40px rgba(0,0,0,0.4);
}
.mock-header {
  background: #1a2535;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mock-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.mock-dot.red { background: #ff5f57; }
.mock-dot.yellow { background: #febc2e; }
.mock-dot.green { background: #28c840; }
.mock-title { font-size: 12px; color: var(--fg-muted); margin-left: 8px; }
.mock-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.mock-row { display: flex; align-items: center; gap: 12px; }
.mock-label { font-size: 12px; color: var(--fg-muted); flex: 1; }
.mock-val { font-size: 14px; font-weight: 600; color: var(--fg); }
.mock-val.success { color: var(--success); }
.mock-val.warning { color: var(--warning); }
.mock-spark { font-size: 11px; color: var(--success); }
.mock-dot-sm { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }

/* FEATURES */
.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header {
  max-width: 600px;
  margin-bottom: 60px;
}
.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 36px;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.features-header p { color: var(--fg-muted); font-size: 17px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card-hover); }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.feature-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.7; }

/* HOW IT WORKS */
.how {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.how-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.step { display: flex; flex-direction: column; gap: 16px; }
.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 48px;
  color: var(--accent-dim);
  line-height: 1;
  letter-spacing: -2px;
}
.step h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 8px;
}
.step p { color: var(--fg-muted); font-size: 15px; line-height: 1.7; }

/* CLOSING */
.closing {
  padding: 100px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.closing-inner { max-width: 700px; }
.closing h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 4vw, 54px);
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing p { font-size: 18px; color: var(--fg-muted); line-height: 1.7; margin-bottom: 36px; }
.closing-code {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  letter-spacing: 0.05em;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
}
.footer-tagline {
  color: var(--fg-muted);
  font-size: 14px;
}

/* MOBILE */
@media (max-width: 768px) {
  nav, .hero, .features, .how, .closing, footer { padding-left: 24px; padding-right: 24px; }
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 48px; }
  .hero-graphic { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; gap: 40px; }
  .step-num { font-size: 36px; }
}