:root {
  color-scheme: dark;
  --bg: #0b1020;
  --text: #f8fafc;
  --muted: #a8b3c7;
  --line: rgba(255,255,255,.12);
  --brand: #f97316;
  --brand2: #38bdf8;
  --ok: #22c55e;
  --warn: #facc15;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,.22), transparent 32rem),
    radial-gradient(circle at top right, rgba(249,115,22,.18), transparent 28rem),
    var(--bg);
  color: var(--text);
}
a { color: inherit; }
.hero { min-height: 64vh; padding: 24px; }
.topbar {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #08111f;
  font-weight: 900;
  letter-spacing: -.04em;
}
.brand small { display: block; color: var(--muted); margin-top: 2px; }
.navlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  justify-content: flex-end;
}
.navlinks a {
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 999px;
}
.navlinks a:hover { background: rgba(255,255,255,.08); color: var(--text); }
.hero-content {
  max-width: 1180px;
  margin: 72px auto 0;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: center;
}
.eyebrow {
  color: var(--brand2);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 800;
}
h1 {
  margin: 10px 0 16px;
  font-size: clamp(38px, 6vw, 74px);
  line-height: .96;
  letter-spacing: -.055em;
}
h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 42px);
  letter-spacing: -.035em;
}
h3 { margin: 0 0 10px; }
.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  text-decoration: none;
  padding: 13px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font-weight: 800;
  display: inline-block;
}
.button.primary { background: linear-gradient(135deg, var(--brand), #fb923c); color: #111827; }
.button.secondary { background: rgba(255,255,255,.08); }
.status-card, .panel, .card, .rcu-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
  box-shadow: 0 24px 90px rgba(0,0,0,.24);
  backdrop-filter: blur(18px);
}
.status-card { padding: 24px; border-radius: 28px; }
.status-card dl { margin: 18px 0 0; }
.status-card dt { color: var(--muted); font-size: 13px; }
.status-card dd { margin: 4px 0 14px; font-weight: 800; overflow-wrap: anywhere; }
main { max-width: 1180px; margin: 0 auto; padding: 0 24px 40px; }
.panel { margin: 22px 0; padding: clamp(22px, 4vw, 42px); border-radius: 32px; }
.section-title { margin-bottom: 24px; }
.install-grid, .split {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 28px;
  align-items: start;
}
.installer-box {
  border: 1px dashed rgba(255,255,255,.25);
  background: rgba(0,0,0,.22);
  border-radius: 24px;
  padding: 24px;
}
.hint, .muted { color: var(--muted); }
.steps { margin: 0; padding-left: 22px; color: var(--muted); line-height: 1.75; }
.steps strong, .steps code { color: var(--text); }
.warning {
  margin-top: 22px;
  border-left: 4px solid var(--warn);
  background: rgba(250,204,21,.1);
  color: #fde68a;
  padding: 14px 16px;
  border-radius: 14px;
}
.success {
  margin-top: 22px;
  border-left: 4px solid var(--ok);
  background: rgba(34,197,94,.1);
  color: #bbf7d0;
  padding: 14px 16px;
  border-radius: 14px;
}
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { border-radius: 22px; padding: 20px; }
.card p, .card li { color: var(--muted); line-height: 1.6; }
pre {
  margin: 0;
  overflow: auto;
  padding: 18px;
  border-radius: 18px;
  background: #070b14;
  border: 1px solid var(--line);
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.download-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.download-list a {
  display: block;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}
.download-list a:hover { background: rgba(56,189,248,.14); border-color: rgba(56,189,248,.42); }
.catalog-tools {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 12px;
  margin-bottom: 18px;
}
.catalog-tools input, .catalog-tools select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.22);
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  font-size: 16px;
}
.rcu-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.rcu-card {
  overflow: hidden;
  border-radius: 24px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform .14s ease, border-color .14s ease, background .14s ease;
}
.rcu-card:hover { transform: translateY(-3px); border-color: rgba(56,189,248,.45); background: rgba(56,189,248,.08); }
.rcu-image {
  height: 170px;
  padding: 14px 16px 8px;
  background: rgba(0,0,0,.25);
  display: grid;
  place-items: start center;
  overflow: hidden;
}
.rcu-image img {
  max-width: 92%;
  max-height: 145px;
  object-fit: contain;
  object-position: top center;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,.45));
}
.rcu-body { padding: 14px 16px 16px; }
.rcu-body p { color: var(--muted); line-height: 1.45; margin: 6px 0 0; font-size: 14px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: #bfdbfe;
  font-size: 13px;
  font-weight: 800;
}
.footer { max-width: 1180px; margin: 0 auto; padding: 28px 24px 60px; color: var(--muted); }
@media (max-width: 1020px) { .rcu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) {
  .topbar, .hero-content, .install-grid, .split { display: block; }
  .navlinks { margin-top: 16px; justify-content: flex-start; }
  .hero-content { margin-top: 42px; }
  .status-card { margin-top: 28px; }
  .cards, .download-list, .rcu-grid, .catalog-tools { grid-template-columns: 1fr; }
}


/* RCU catalog compact image layout */
.rcu-card {
  min-height: auto;
}
.rcu-card .badge {
  margin-top: 10px;
}
@media (max-width: 860px) {
  .rcu-image {
    height: 150px;
  }
  .rcu-image img {
    max-height: 128px;
  }
}