:root {
  --ink: #17202a;
  --muted: #607080;
  --line: #d9e1e8;
  --paper: #f7f9fb;
  --card: #ffffff;
  --accent: #0b6bcb;
  --accent-dark: #084b8f;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.65 Georgia, "Times New Roman", serif;
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.94);
}
.nav,
.container,
.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  color: var(--ink);
  font: 700 18px/1.2 Arial, sans-serif;
  text-decoration: none;
  letter-spacing: .01em;
}
.nav-links { display: flex; gap: 20px; flex-wrap: wrap; }
.nav-links a { font: 600 14px/1.2 Arial, sans-serif; text-decoration: none; }
main { padding: 64px 0 80px; }
.hero {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 48px;
  align-items: end;
  padding: 24px 0 56px;
}
.eyebrow {
  color: var(--accent-dark);
  font: 700 12px/1.2 Arial, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: Arial, sans-serif; line-height: 1.15; }
h1 { max-width: 760px; margin: 12px 0 20px; font-size: clamp(38px, 6vw, 72px); letter-spacing: -.04em; }
h2 { margin: 0 0 16px; font-size: 28px; }
h3 { margin: 0 0 8px; font-size: 18px; }
.lede { max-width: 680px; color: var(--muted); font-size: 21px; }
.notice {
  padding: 24px;
  border-left: 4px solid var(--accent);
  background: var(--card);
  box-shadow: 0 10px 30px rgba(23,32,42,.06);
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .section {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--card);
}
.section { margin-top: 24px; }
.card p, .section p { margin: 0; color: var(--muted); }
.pipeline { margin: 28px 0 0; padding: 0; list-style: none; counter-reset: step; }
.pipeline li { counter-increment: step; display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.pipeline li::before { content: counter(step, decimal-leading-zero); color: var(--accent); font: 700 13px/1 Arial, sans-serif; }
code, pre { font-family: Consolas, monospace; }
pre { overflow-x: auto; padding: 18px; background: #17202a; color: #eef4f8; }
ul { padding-left: 22px; }
.small { color: var(--muted); font-size: 14px; }
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); background: #eef3f7; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; }
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .grid { grid-template-columns: 1fr; }
  main { padding-top: 36px; }
  .container, .nav, .footer-inner { width: min(var(--max), calc(100% - 28px)); }
}