:root {
  --navy-900: #0b0c14;
  --navy-800: #131420;
  --navy-700: #1e1f35;
  --navy-600: #272940;
  --gold: #ffd23f;
  --gold-dim: rgba(255, 210, 63, 0.55);
  --blue: #004b92;
  --paper: #faf9f6;
  --ink: #1b1c2b;
  --ink-soft: #4b4c5e;
  --line: #e7e5df;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --maxw: 880px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

html, body { overflow-x: hidden; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, var(--navy-600), var(--navy-700) 45%, var(--navy-900));
  color: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--gold); }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }

header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 20, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-width: 0;
}
.brand img { height: 22px; width: auto; flex-shrink: 0; }
.brand .sep { width: 1px; height: 18px; background: rgba(255, 255, 255, 0.22); flex-shrink: 0; }
.brand .label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.86rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 7px 14px;
}
.nav-cta:hover { color: #fff; border-color: rgba(255, 255, 255, 0.4); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.hero { margin-bottom: 40px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; margin: 0 0 12px; }
.lead { color: rgba(255, 255, 255, 0.72); font-size: 1.05rem; max-width: 60ch; margin: 0; }

.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 22px;
}
.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.card-head h2 { font-size: 1.25rem; font-weight: 700; margin: 0; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.badge.ok { background: rgba(120, 200, 140, 0.16); color: #8fe3a4; }
.badge.pending { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.6); }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 10px 0 18px;
}
.card-meta strong { color: rgba(255, 255, 255, 0.85); font-weight: 600; }

.checksum-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--navy-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 18px;
}
.checksum-row code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.75);
  overflow-x: auto;
  white-space: nowrap;
  flex: 1;
}
.copy-btn {
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold);
  background: none;
  border: 1px solid var(--gold-dim);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}
.copy-btn:hover { background: rgba(255, 210, 63, 0.1); }
.copy-btn[data-copied="true"] { color: #8fe3a4; border-color: rgba(143, 227, 164, 0.5); }

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--navy-900);
  font-weight: 700;
  font-size: 0.94rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 11px 22px;
}
.download-btn:hover { background: #ffdb63; color: var(--navy-900); }
.pending-note { color: rgba(255, 255, 255, 0.55); font-size: 0.9rem; margin: 0; }

details.install {
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}
details.install summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
details.install summary::-webkit-details-marker { display: none; }
details.install summary::before {
  content: "▸";
  color: var(--gold);
  transition: transform 120ms ease;
  display: inline-block;
}
details.install[open] summary::before { transform: rotate(90deg); }
details.install ol {
  margin: 14px 0 0;
  padding-left: 20px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}
details.install li { margin-bottom: 6px; }
details.install p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.62);
  margin: 14px 0 0;
}
details.install a { text-decoration: underline; }
details.install code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
}
details.install pre {
  background: var(--navy-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  overflow-x: auto;
  margin: 10px 0 0;
}
details.install pre code { background: none; padding: 0; }

.verify-hint {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.verify-hint code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

footer { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-inner a { color: rgba(255, 255, 255, 0.6); }