:root {
  --ink: #18251f;
  --muted: #667069;
  --paper: #fffdf7;
  --cream: #f6f0e3;
  --forest: #254c3b;
  --rust: #bd4c2e;
  --line: #ddd5c5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 5% 8%, rgba(189, 76, 46, .08), transparent 24rem),
    radial-gradient(circle at 95% 1%, rgba(37, 76, 59, .08), transparent 28rem),
    var(--cream);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--forest); }
a:hover { color: var(--rust); }
.shell { width: min(820px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 64px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-mark { position: relative; width: 42px; height: 42px; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); }
.brand-mark img { position: absolute; width: 58px; max-width: none; left: -8px; top: -3px; }
.brand-name { font: 700 1.35rem Georgia, "Times New Roman", serif; letter-spacing: -.025em; }
.brand-name span { color: var(--rust); }
.back { padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); font-size: .85rem; font-weight: 700; text-decoration: none; }
main { padding: clamp(24px, 5vw, 52px); border: 1px solid var(--line); border-radius: 22px; background: var(--paper); box-shadow: 0 18px 54px rgba(31, 46, 38, .1); }
.eyebrow { margin: 0 0 6px; color: var(--rust); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0 0 8px; font: 700 clamp(2rem, 7vw, 3.35rem)/1.05 Georgia, "Times New Roman", serif; letter-spacing: -.04em; }
.intro { margin: 0 0 34px; color: var(--muted); font-size: 1.05rem; }
h2 { margin: 34px 0 8px; font: 700 1.3rem Georgia, "Times New Roman", serif; }
h3 { margin: 22px 0 5px; font-size: .98rem; }
p, li { color: #46534c; }
ul, ol { padding-left: 1.35rem; }
li + li { margin-top: 7px; }
.note { margin: 22px 0; padding: 14px 16px; border-left: 4px solid #d39a3a; background: #fff8e9; color: var(--ink); }
.data-table { width: 100%; border-collapse: collapse; margin: 14px 0 24px; font-size: .9rem; }
.data-table th, .data-table td { padding: 10px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { background: #f3ecdf; }
.page-nav { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .82rem; }
footer { margin-top: 18px; color: var(--muted); font-size: .76rem; text-align: center; }
@media (max-width: 560px) {
  .shell { width: min(100% - 16px, 820px); padding-top: 10px; }
  .brand-name { font-size: 1.12rem; }
  main { padding: 24px 18px; border-radius: 16px; }
  .data-table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }