:root {
  --bg: #101418;
  --bg-elevated: #171c22;
  --bg-code: #0c0f12;
  --text: #e8eaed;
  --muted: #9fb3c8;
  --heading: #ffffff;
  --link: #4fc3f7;
  --link-hover: #81d4fa;
  --red: #b71c1c;
  --green: #1b5e20;
  --refactor: #0d47a1;
  --amber: #e65100;
  --border: #2a333c;
  --radius: 12px;
  --max: 1080px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

img { max-width: 100%; height: auto; }

.wrap {
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(16, 20, 24, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.6rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand:hover { color: var(--heading); text-decoration: none; }

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1rem;
  font-size: 0.92rem;
}

.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--link); }

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.2rem;
  align-items: center;
  padding: 3.2rem 0 2.4rem;
}

.hero img {
  width: min(100%, 420px);
  justify-self: center;
  border-radius: 24%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.hero h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  letter-spacing: -0.04em;
  color: var(--heading);
  font-family: var(--mono);
}

.tagline {
  margin: 0 0 0.9rem;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  color: var(--link);
  font-weight: 600;
  line-height: 1.3;
}

.lede {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.badges { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.badge {
  display: inline-block;
  padding: 0.18em 0.7em;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
}

.badge.red { background: var(--red); }
.badge.green { background: var(--green); }
.badge.refactor { background: var(--refactor); }
.badge.amber { background: var(--amber); }

section { padding: 0.4rem 0 2.4rem; }

h2 {
  color: var(--heading);
  font-size: 1.45rem;
  margin: 0 0 0.85rem;
}

h3 { color: var(--link); font-size: 1.05rem; margin: 1.4rem 0 0.5rem; }

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.install-block { margin-bottom: 1rem; }

.install-block p {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.cmd {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
}

.cmd pre {
  flex: 1;
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
  color: #d7e3ee;
}

.cmd button {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  background: #1e2730;
  color: var(--text);
  border-radius: 8px;
  padding: 0 0.9rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.82rem;
}

.cmd button:hover { border-color: var(--link); color: var(--link); }

.downloads {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.downloads th, .downloads td {
  text-align: left;
  padding: 0.7rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.downloads th { color: var(--muted); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }

.downloads code { font-family: var(--mono); font-size: 0.82rem; }

.altitudes {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.altitudes th, .altitudes td {
  text-align: left;
  padding: 0.75rem 0.65rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.altitudes th { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.9rem;
}

.card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.card:hover {
  border-color: var(--link);
  color: var(--text);
  text-decoration: none;
}

.card strong {
  display: block;
  color: var(--heading);
  margin-bottom: 0.3rem;
  font-size: 1.02rem;
}

.card span { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0 2.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.page-main { padding: 1.8rem 0 3rem; }

.page-main h1 { color: var(--heading); font-size: 2rem; margin-top: 0; }

.markdown-body h1, .markdown-body h2, .markdown-body h3 { color: var(--heading); }
.markdown-body h2 { margin-top: 2rem; }
.markdown-body h3 { color: var(--link); }

.markdown-body pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
}

.markdown-body code {
  font-family: var(--mono);
  font-size: 0.88em;
}

.markdown-body :not(pre) > code {
  background: #1e2730;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0;
}

.markdown-body th, .markdown-body td {
  text-align: left;
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.markdown-body blockquote {
  margin: 1rem 0;
  padding: 0.2rem 1rem;
  border-left: 3px solid var(--link);
  color: var(--muted);
}

.markdown-body hr { border: 0; border-top: 1px solid var(--border); }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 1.6rem; }
  .hero img { order: -1; }
  .cmd { flex-direction: column; }
}