:root {
  --bg: #0b0d12;
  --panel: #12151d;
  --text: #e8eaf0;
  --muted: #9aa1b2;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.12);
  --border: #232837;
  --code-bg: #0e1118;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
}

.nav nav a:hover, .nav nav a.active { color: var(--accent); }

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero { padding: 4rem 0 3rem; }
.hero.slim { padding: 2.5rem 0 1.5rem; }

.kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.lede { font-size: 1.15rem; color: var(--muted); max-width: 640px; }

h2 { font-size: 1.4rem; margin: 3rem 0 1rem; letter-spacing: -0.01em; }

p, li { color: #c9cedb; }
p { margin: 0 0 1rem; max-width: 680px; }
ul, ol { padding-left: 1.4rem; }
li { margin-bottom: 0.5rem; max-width: 660px; }

a { color: var(--accent); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.15em 0.45em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25rem 0;
}

pre code { background: none; border: none; padding: 0; font-size: 0.9rem; }

.cta-row { display: flex; gap: 0.9rem; margin: 1.75rem 0; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color 0.15s, transform 0.15s;
}

.btn:hover { border-color: var(--accent); transform: translateY(-1px); }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #062a26;
}

.btn.primary:hover { filter: brightness(1.08); }

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

.steps li { margin-bottom: 0.9rem; }
.steps strong { color: var(--text); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
td { color: #c9cedb; }
td code { white-space: nowrap; }

.callout {
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0;
}

.callout h2 { margin-top: 0; }

footer {
  border-top: 1px solid var(--border);
  max-width: 860px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}

footer p { font-size: 0.85rem; color: var(--muted); margin: 0; }

@media (max-width: 600px) {
  .hero { padding: 2.5rem 0 2rem; }
  table { font-size: 0.85rem; }
}