:root {
  --bg: #0e1014;
  --bg-raised: #161a20;
  --bg-code: #0a0c10;
  --border: #2a313c;
  --text: #e7eaf0;
  --muted: #9aa3b2;
  --accent: #e6b450;
  --accent-dim: #c4922e;
  --link: #e6b450;
  --ok: #7ec699;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--sans);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(230, 180, 80, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand svg {
  width: 36px;
  height: 36px;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-sub {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 500;
}

nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  margin: 36px 0 10px;
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 62ch;
  margin: 0 0 28px;
}

.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.meta article {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.meta dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meta dd {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  word-break: break-all;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 40px;
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.steps {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
}

.steps code {
  color: var(--text);
}

pre {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  margin: 0 0 14px;
}

pre code {
  white-space: pre;
}

.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #232833;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
}

.copy:hover,
.copy.copied {
  border-color: var(--accent);
  color: var(--accent);
}

.note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.note a {
  color: var(--ok);
}

.section {
  margin: 8px 0 48px;
}

.section h2 {
  margin-bottom: 8px;
}

.files {
  display: grid;
  gap: 8px;
}

.files a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
}

.files a:hover {
  text-decoration: none;
  border-color: var(--accent-dim);
}

.files span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 40px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-404 {
  min-height: 60vh;
  display: grid;
  align-content: center;
  padding: 48px 0;
}

.hero-404 p {
  color: var(--muted);
  max-width: 46ch;
}

.btn {
  display: inline-block;
  margin-top: 18px;
  background: var(--accent);
  color: #1a1408;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 16px;
}

.btn:hover {
  text-decoration: none;
  background: #f0c56a;
}

@media (max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }
}