:root {
  --bg: #0a0f1e;
  --bg-alt: #0d1428;
  --fg: #e7ecf8;
  --muted: #93a4c4;
  --accent: #9db8ff;
  --card: #111a30;
  --border: #223055;
  --code-bg: #0b1226;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 820px; margin: 0 auto; padding: 0 1.2rem; }

.site-header { border-bottom: 1px solid var(--border); background: #070b16; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; flex-wrap: wrap; gap: .4rem; }
.brand { font-weight: 700; color: var(--fg); letter-spacing: .02em; }
.brand:hover { text-decoration: none; }
.site-nav a { margin-left: 1.2rem; color: var(--muted); }
.site-nav a:hover { color: var(--fg); }

.hero { padding: 4.5rem 1.2rem 2.5rem; text-align: center; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .25em; font-size: .8rem; margin-bottom: .6rem; }
.hero h1 { font-size: 2.9rem; margin: 0 0 .8rem; }
.hero .sub { font-size: 1.25rem; color: var(--muted); max-width: 36rem; margin: 0 auto 1rem; }
.hero .btn { margin: .3rem .25rem 0; }
.btn { display: inline-block; background: var(--accent); color: #070b16; padding: .7rem 1.5rem; border-radius: 999px; font-weight: 600; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.section { padding: 2.2rem 0; }
.section h2 { text-align: center; }
.center { text-align: center; }
.muted { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.3rem; }
.card h3 { margin-top: 0; color: var(--accent); }

.prose p { color: #d5def0; }
.prose-center p { text-align: left; }
.prose ol, .prose ul { padding-left: 1.4rem; }
.prose li { margin-bottom: .5rem; color: #d5def0; }
.prose strong { color: var(--accent); }
.prose h2 { margin-top: 2.2rem; border-bottom: 1px solid var(--border); padding-bottom: .35rem; }
.prose h3 { color: var(--accent); margin-top: 1.6rem; }
.prose code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .1rem .35rem;
  font-size: .9em;
  color: #cdd9f5;
  word-break: break-word;
}
.prose pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; overflow-x: auto; }
.prose pre code { background: none; border: 0; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .92rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--border); padding: .5rem .7rem; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-alt); color: var(--accent); }
.prose tbody tr:nth-child(even) { background: rgba(255, 255, 255, .02); }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 1.2rem 0; padding: .2rem 1rem; color: var(--muted); }

.page h1 { text-align: center; margin-bottom: 1.2rem; }
.page { padding-top: 3rem; }

.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 1.5rem 0; color: var(--muted); font-size: .9rem; text-align: center; }
.site-footer p { margin: .2rem 0; }