:root {
  --ink: #111820;
  --muted: #52606c;
  --paper: #f4f1e9;
  --paper-bright: #fffdf8;
  --line: #d8d2c5;
  --navy: #17324d;
  --accent: #6c3947;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: var(--navy); text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid #dd9f44; outline-offset: 3px; }
.skip-link { position: absolute; top: -5rem; left: 1rem; z-index: 10; padding: .7rem 1rem; background: white; border: 2px solid var(--ink); }
.skip-link:focus { top: 1rem; }
header { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 1rem clamp(1.2rem, 6vw, 5rem); background: var(--ink); color: white; }
.brand { color: white; text-decoration: none; font-weight: 800; }
.brand span { color: #adbac3; font-weight: 550; }
nav { display: flex; gap: 1.2rem; }
nav a { color: #dce4e8; text-decoration: none; font-size: .9rem; }
main { padding: clamp(3rem, 8vw, 7rem) 1.2rem; }
article { max-width: 1040px; margin: 0 auto; padding: clamp(1.5rem, 5vw, 4.5rem); background: var(--paper-bright); box-shadow: 0 22px 60px rgba(17,24,32,.09); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { margin-top: 0; font-size: clamp(2.3rem, 6vw, 4.8rem); }
h2 { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: clamp(1.6rem, 4vw, 2.6rem); }
h3 { margin-top: 2rem; font-size: 1.35rem; }
p, li { color: #303b44; }
blockquote { margin: 1.5rem 0; padding: .7rem 1.2rem; border-left: 4px solid var(--accent); background: #f2e9e4; }
blockquote p { margin: 0; }
table { width: 100%; margin: 1.5rem 0 2rem; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .8rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #e9e4d9; }
code { padding: .1rem .3rem; background: #ece7dc; }
footer { padding: 2rem clamp(1.2rem, 6vw, 5rem); background: var(--ink); color: #c2ccd2; }
footer p { color: #9fadb6; }
@media (max-width: 720px) {
  header { align-items: flex-start; }
  .brand span, nav a:first-child { display: none; }
  article { padding: 1.3rem; }
  table { display: block; overflow-x: auto; }
}