:root {
  --bg: #0b1220;
  --surface: #111a2c;
  --surface-2: #182238;
  --border: #243049;
  --text: #e6ecf5;
  --muted: #94a3b8;
  --primary: #3b82f6;
  --primary-strong: #1d4ed8;
  --accent: #22d3ee;
  --warn: #fbbf24;
  --radius: 12px;
  --max-width: 1100px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  background: var(--surface-2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  color: #08111e;
  font-weight: 800;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
}

.primary-nav a { color: var(--text); }
.primary-nav a:hover { color: var(--accent); }
.primary-nav .cta {
  background: var(--primary);
  padding: 8px 16px;
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
}
.primary-nav .cta:hover { background: var(--primary-strong); text-decoration: none; }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 28px;
}

.hero {
  padding: 56px 0 72px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}

.hero .eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0 0 16px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn.primary {
  background: var(--primary);
  color: #fff;
}
.btn.primary:hover { background: var(--primary-strong); }

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.section {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 1.6rem;
  margin: 0 0 24px;
}

.section.warn h2 { color: var(--warn); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.steps li {
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 16px 56px;
  position: relative;
  line-height: 1.5;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.bullets {
  list-style: disc;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.7;
}
.bullets strong { color: var(--text); }

.cta-band {
  text-align: center;
  border-bottom: none;
}
.cta-band p { color: var(--muted); margin: 0 0 20px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-header { padding: 14px 16px; }
  .primary-nav { gap: 12px; font-size: 0.85rem; }
  .primary-nav a:not(.cta) { display: none; }
  main { padding: 32px 16px; }
  .hero { padding: 32px 0 48px; margin-bottom: 32px; }
}