/* African Open Router — marketing site.
   One stylesheet, no build step, no framework: Cloudflare Pages serves these
   files exactly as committed, so what is in the repo is what ships. */
:root {
  --ink: #0d0f12;
  --ink-2: #3d444d;
  --ink-3: #6b7480;
  --line: #e3e6ea;
  --bg: #ffffff;
  --bg-2: #f7f8fa;
  --accent: #b4531f;
  --accent-ink: #ffffff;
  --radius: 10px;
  --wrap: 1080px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f4f7; --ink-2: #b9c0c9; --ink-3: #8b939d;
    --line: #262b31; --bg: #0d0f12; --bg-2: #14171b;
    --accent: #e8813f; --accent-ink: #14171b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
a { color: inherit; }

/* header */
header { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 10; }
.nav { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { font-weight: 650; letter-spacing: -0.015em; text-decoration: none; margin-right: auto; }
.brand span { color: var(--accent); }
.nav a.link { text-decoration: none; color: var(--ink-2); font-size: 14.5px; }
.nav a.link:hover { color: var(--ink); }
.btn {
  display: inline-block; padding: 8px 15px; border-radius: 8px; text-decoration: none;
  font-size: 14.5px; font-weight: 550; border: 1px solid var(--line); color: var(--ink);
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.lg { padding: 12px 22px; font-size: 15.5px; }

/* hero */
.hero { padding: 88px 0 64px; }
h1 { font-size: clamp(34px, 5.4vw, 54px); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 18px; max-width: 17ch; }
.sub { font-size: clamp(17px, 2.1vw, 20px); color: var(--ink-2); max-width: 56ch; margin: 0 0 30px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* code sample */
pre {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; overflow-x: auto; font: 13.5px/1.65 var(--mono); margin: 0;
}
pre .c { color: var(--ink-3); }
pre .s { color: var(--accent); }

/* sections */
section { padding: 56px 0; border-top: 1px solid var(--line); scroll-margin-top: 62px; }
h2 { font-size: clamp(23px, 3vw, 29px); letter-spacing: -0.02em; margin: 0 0 10px; }
.lede { color: var(--ink-2); max-width: 62ch; margin: 0 0 28px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 7px; font-size: 16.5px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--ink-3); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; }
td.num { font-family: var(--mono); white-space: nowrap; }
.scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.scroll table { min-width: 560px; }
.scroll th, .scroll td { padding-left: 18px; padding-right: 18px; }
.scroll tr:last-child td { border-bottom: 0; }

/* legal */
.legal { max-width: 74ch; padding: 48px 0 72px; }
.legal h1 { font-size: clamp(28px, 4vw, 38px); max-width: none; }
.legal h2 { font-size: 19px; margin: 34px 0 8px; }
.legal p, .legal li { color: var(--ink-2); }
.legal li { margin-bottom: 7px; }
.meta { color: var(--ink-3); font-size: 14px; margin-top: -8px; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--ink-3); font-size: 14px; }
.fgrid { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 30px; }
.fgrid h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-3); margin: 0 0 10px; }
.fgrid a { display: block; text-decoration: none; color: var(--ink-2); margin-bottom: 7px; font-size: 14px; }
.fgrid a:hover { color: var(--ink); }