:root {
  --bg: #070b16;
  --panel: #111a2b;
  --text: #e5ecff;
  --muted: #a8b5d6;
  --primary: #4f8cff;
  --accent: #41d3bd;
  --border: #23314f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 10% -20%, #20345f, transparent), var(--bg);
  color: var(--text);
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.hero {
  border-bottom: 1px solid var(--border);
  padding-bottom: 3rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
}

.links a:hover {
  color: var(--text);
}

.hero-content {
  padding: 3.5rem 0 0.5rem;
}

.eyebrow {
  color: var(--accent);
  margin: 0 0 0.7rem;
  font-weight: 600;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0;
  max-width: 840px;
}

.subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 760px;
  margin-top: 1rem;
}

.cta {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.section {
  padding: 3rem 0 1rem;
}

.section h2 {
  margin: 0 0 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: linear-gradient(180deg, #12203b, var(--panel));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
  margin-bottom: 0;
}

.code-block {
  background: #070d1b;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
}

pre {
  margin: 0;
  padding: 1rem;
  font-size: 0.95rem;
}

.flow {
  color: var(--muted);
  line-height: 1.8;
  padding-left: 1.2rem;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
  color: var(--muted);
  padding: 1.5rem 0;
}