:root {
  color-scheme: dark;
  --background: #080b10;
  --surface: #10151d;
  --surface-raised: #171e29;
  --border: #293344;
  --text: #eef3fa;
  --muted: #9aa8bb;
  --accent: #78d6b2;
  --accent-strong: #b7f5df;
  --max-width: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--background); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(120, 214, 178, 0.11), transparent 34rem),
    var(--background);
}
a { color: var(--accent-strong); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: white; }
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}
button, input { font: inherit; }
button, .button {
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.65rem 0.85rem;
  color: var(--text);
  background: var(--surface-raised);
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { border-color: var(--accent); color: white; }
.button.primary { background: var(--accent); border-color: var(--accent); color: #07100d; font-weight: 700; }

.site-header, footer, main {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 4.5rem;
  border-bottom: 1px solid var(--border);
}
.site-header nav { display: flex; gap: 1rem; }
.brand { color: var(--text); font-weight: 800; letter-spacing: -0.02em; text-decoration: none; }
main { padding-block: 4rem; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.hero { padding-block: 4rem 5rem; max-width: 880px; }
.hero.compact { padding-block: 2rem 3rem; }
.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.8rem, 8vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}
.hero.compact h1 { font-size: clamp(2.4rem, 6vw, 4.8rem); max-width: none; }
.lede { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); line-height: 1.6; max-width: 760px; }
.eyebrow { margin: 0 0 0.75rem; color: var(--accent); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.hero-actions, .badges, .card-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.badges span { padding: 0.35rem 0.55rem; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 0.8rem; }

.catalog { margin-bottom: 4rem; }
.catalog-toolbar, .section-heading, .skill-card-heading, .install-option {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: start;
}
.catalog-toolbar { margin-bottom: 1.5rem; align-items: end; }
.catalog-toolbar h2, .section-heading h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.5rem); letter-spacing: -0.035em; }
.catalog-toolbar input {
  width: min(24rem, 75vw);
  padding: 0.8rem 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
}
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); gap: 1rem; }
.skill-card, .panel {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
}
.skill-card { display: flex; flex-direction: column; min-height: 16rem; padding: 1.25rem; }
.skill-card h2 { margin: 0; font-size: 1.1rem; }
.skill-card-heading span { color: var(--muted); font-size: 0.8rem; }
.skill-card p { color: var(--muted); line-height: 1.55; flex: 1; }
.card-actions { justify-content: space-between; }
.panel { padding: clamp(1rem, 3vw, 2rem); margin-bottom: 2rem; }
.section-heading { margin-bottom: 1.5rem; }
.section-heading > p { max-width: 34rem; color: var(--muted); line-height: 1.55; }
.install-option { padding-block: 1rem; border-top: 1px solid var(--border); }
.install-option h3 { margin: 0; }
.install-option p { margin: 0.35rem 0 0; color: var(--muted); }
.command-row {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  min-width: 0;
}
.command-row code {
  display: block;
  min-width: 0;
  max-width: 44rem;
  overflow: auto;
  white-space: nowrap;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: #090d13;
}
details { border-top: 1px solid var(--border); padding-top: 1rem; }
summary { cursor: pointer; margin-bottom: 1rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.empty-state { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; padding-block: 1rem; }
  .site-header nav { flex-direction: column; align-items: flex-end; gap: 0.4rem; }
  main { padding-block: 2rem; }
  .hero { padding-block: 2rem 3rem; }
  .catalog-toolbar, .section-heading, .install-option { flex-direction: column; align-items: stretch; }
  .catalog-toolbar input { width: 100%; }
  .command-row { flex-direction: column; }
  footer { flex-direction: column; }
}