:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #162139;
  background: #f4f7fb;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }

.site-header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem max(1.25rem, calc((100vw - 1120px) / 2));
  background: #071225;
  color: #eaf2ff;
}

.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 750; text-decoration: none; }
.brand-mark { display: grid; width: 2.25rem; height: 2.25rem; place-items: center; border-radius: .75rem; background: #2563eb; }
.environment, .badges span { padding: .3rem .65rem; border-radius: 999px; background: #dbeafe; color: #1e40af; font-size: .75rem; font-weight: 750; text-transform: uppercase; }

main { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) 0; }
.hero { max-width: 760px; margin-bottom: 4.5rem; }
.eyebrow { margin: 0 0 .5rem; color: #2563eb; font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(2.25rem, 6vw, 4.6rem); line-height: 1.02; letter-spacing: -.05em; }
.hero > p:last-child { max-width: 680px; color: #58657a; font-size: 1.1rem; line-height: 1.7; }
.section-heading, .release-summary, .artifact { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
h2, h3, p { margin-top: 0; }
h2 { margin-bottom: 0; font-size: 1.75rem; }
button, .artifact-actions a { border: 1px solid #cbd5e1; border-radius: .7rem; padding: .65rem .9rem; background: #fff; color: #162139; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; }
button:disabled { opacity: .5; cursor: wait; }
.release-list { display: grid; gap: 1rem; margin-top: 1.25rem; }
.release-section { margin-top: 3.5rem; }
.release-card { padding: 1.4rem; border: 1px solid #d9e1ec; border-radius: 1.2rem; background: #fff; box-shadow: 0 18px 50px rgba(42, 58, 87, .08); }
.release-summary h3 { margin: .7rem 0 .25rem; font-size: 1.35rem; }
.release-summary p, .signature-note { color: #667389; font-size: .9rem; }
.badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.signature { padding: .45rem .7rem; border-radius: .65rem; background: #fff4d6; color: #8a4f00; font-size: .8rem; font-weight: 800; }
.signature.signed { background: #dcfce7; color: #166534; }
.artifact-list { display: grid; gap: .7rem; margin: 1.25rem 0; }
.artifact { padding: 1rem; border-radius: .9rem; background: #f4f7fb; }
.artifact strong, .artifact small, .artifact code { display: block; }
.artifact small { margin-top: .2rem; color: #667389; }
.artifact code { max-width: 650px; margin-top: .55rem; overflow-wrap: anywhere; color: #526078; font-size: .72rem; }
.artifact-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; }
.artifact-actions .primary { border-color: #2563eb; background: #2563eb; color: #fff; }
.signature-note { margin: .5rem 0; }
.sbom { display: inline-block; margin-top: .35rem; color: #1d4ed8; font-size: .9rem; font-weight: 700; }
.status { padding: 1.5rem; border-radius: 1rem; background: #e8eef7; color: #526078; }
.status.error { color: #991b1b; background: #fee2e2; }
.trust-note { margin-top: 2rem; padding: 1.25rem; border-left: 4px solid #f59e0b; border-radius: .2rem 1rem 1rem .2rem; background: #fff7df; color: #713f12; }
.trust-note p { margin: .35rem 0 0; line-height: 1.55; }
footer { color: #aebbd0; font-size: .85rem; }

@media (max-width: 680px) {
  .section-heading, .release-summary, .artifact { align-items: flex-start; flex-direction: column; }
  .artifact-actions { justify-content: flex-start; }
  .artifact-actions a { flex: 1 1 auto; text-align: center; }
  .signature { align-self: flex-start; }
}

@media (prefers-color-scheme: dark) {
  :root { color: #edf3ff; background: #071225; }
  .site-header, footer { background: #050c19; }
  .hero > p:last-child, .release-summary p, .signature-note, .artifact small, .artifact code { color: #a9b7cd; }
  button, .release-card { border-color: #263751; background: #101d33; color: #edf3ff; }
  .artifact { background: #0a1629; }
  .status { background: #101d33; color: #a9b7cd; }
  .trust-note { background: #2c210b; color: #ffe6a6; }
}