:root {
  --paper: #f2f4f6;
  --surface: #ffffff;
  --ink: #142033;
  --muted: #536174;
  --line: #c7d0dc;
  --blue: #2456d8;
  --amber: #d39a25;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Segoe UI", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
.site-header, footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: 1180px; margin: 0 auto; padding: 26px 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 23px; font-weight: 750; text-decoration: none; letter-spacing: -1px; }
.brand-mark { display: grid; place-items: center; width: 39px; height: 39px; border-radius: 5px; background: var(--ink); color: var(--surface); font-family: Georgia, serif; font-size: 19px; }
nav { display: flex; gap: 24px; font-size: 13px; }
nav a, footer a { color: var(--muted); text-decoration: none; }
nav a:hover, footer a:hover { color: var(--blue); }
main { max-width: 1180px; margin: 0 auto; padding: 62px 30px; }
.dispatch-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .8fr); gap: 70px; align-items: end; padding: 36px 0 56px; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: 12px; font-weight: 700; }
h1 { margin: 0 0 22px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 6vw, 70px); font-weight: 500; line-height: 1.04; letter-spacing: -2.5px; }
.hero-copy > p:not(.eyebrow) { max-width: 590px; color: var(--muted); font-size: 17px; }
.primary-link, .download-button { display: inline-block; margin-top: 20px; padding: 13px 20px; border: 0; border-radius: 5px; background: var(--blue); color: var(--surface); text-decoration: none; font-weight: 700; }
.primary-link:hover, .download-button:hover { background: var(--ink); }
.dispatch-note { border-top: 4px solid var(--ink); padding-top: 18px; }
.dispatch-note h2 { margin: 0 0 18px; font-size: 19px; }
.dispatch-note dl { margin: 0; }
.dispatch-note dl div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.dispatch-note dt { color: var(--muted); }
.dispatch-note dd { margin: 0; text-align: right; }
.route-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 28px 0; border-top: 1px solid var(--line); }
.route-strip h2 { margin: 0 0 7px; font-size: 16px; }
.route-strip p { margin: 0; max-width: 470px; color: var(--muted); font-size: 13px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.download-main { display: grid; place-items: center; min-height: 62vh; }
.download-card { width: min(100%, 620px); padding: 38px; border: 1px solid var(--line); border-top: 4px solid var(--ink); background: var(--surface); }
.download-card h1 { font-size: 35px; letter-spacing: -1.2px; }
.download-card > p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.file-facts { margin: 24px 0; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.file-facts div { display: flex; justify-content: space-between; gap: 20px; padding: 7px 0; font-size: 12px; }
.file-facts dt { color: var(--muted); }
.file-facts dd { margin: 0; text-align: right; }
.download-button { display: block; margin-top: 0; text-align: center; }
.download-button[disabled], .mirror-button:disabled { background: #c7d0dc; color: #536174; cursor: not-allowed; }
.download-note { min-height: 22px; color: var(--blue); font-size: 12px; }
.catalog-link { color: var(--blue); font-size: 12px; }
.artifact-list { display: grid; gap: 28px; }
.download-artifact { padding-top: 20px; border-top: 1px solid var(--line); }
.download-artifact h2 { margin: 0; font-size: 20px; }
.invalid-download, .error-page { max-width: 600px; margin: 70px auto; padding: 30px; border: 1px solid var(--line); background: var(--surface); }
.text-page { max-width: 760px; }
.text-page h1 { font-size: 42px; }
.text-page h2 { margin-top: 30px; font-size: 19px; }
.text-page p, .text-page li { color: var(--muted); font-size: 14px; }
.text-page a { color: var(--blue); }
.error-page h1 { font-size: 34px; }
.error-page p { color: var(--muted); }
@media (max-width: 760px) {
  .site-header, footer { padding: 20px; }
  main { padding: 34px 20px; }
  nav { gap: 14px; }
  .dispatch-hero { grid-template-columns: 1fr; gap: 40px; padding-top: 12px; }
  .route-strip { grid-template-columns: 1fr; gap: 22px; }
  .download-card { padding: 24px; }
  .download-card h1 { font-size: 29px; }
  .file-facts div { flex-direction: column; gap: 1px; }
  .file-facts dd { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}