:root {
  --bg: #0a0a0b;
  --bg-elevated: #131316;
  --bg-band: #18181c;
  --fg: #f4f4f5;
  --fg-muted: #a1a1aa;
  --fg-dim: #71717a;
  --accent: #fafafa;
  --accent-quiet: #d4d4d8;
  --border: #27272a;
  --link: #fafafa;
  --link-hover: #ffffff;
  --code-bg: #0d0d0f;
  --code-fg: #e4e4e7;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Display", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, monospace;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 8px 24px rgba(0, 0, 0, 0.3);
  --radius: 10px;
  --content: 980px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color .15s ease, text-decoration-color .15s ease;
}
a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--accent);
}

code,
pre {
  font-family: var(--font-mono);
  font-size: .92em;
}
:not(pre) > code {
  background: var(--code-bg);
  padding: .12em .35em;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: .88em;
}
pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  overflow-x: auto;
  font-size: .95rem;
  line-height: 1.6;
  box-shadow: var(--shadow);
}

/* ------------ Header ------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 48px);
  background: rgba(10, 10, 11, 0.84);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
}
.brand:hover {
  text-decoration: none;
  color: var(--fg);
}
.brand-logo {
  height: 28px;
  width: auto;
  display: block;
}
.brand-divider {
  color: var(--fg-dim);
  font-weight: 300;
}
.brand-product {
  font-family: var(--font-mono);
  letter-spacing: -.02em;
}
.site-nav {
  display: flex;
  gap: 22px;
}
.site-nav a {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: .94rem;
}
.site-nav a:hover {
  color: var(--fg);
}
@media (max-width: 720px) {
  .site-nav a:nth-child(-n + 3) {
    display: none;
  }
}

/* ------------ Hero ------------ */

main {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 32px);
}
.hero {
  padding: 88px 0 96px;
  text-align: left;
}
.eyebrow {
  color: var(--fg-muted);
  font-size: .92rem;
  margin: 0 0 22px 0;
  letter-spacing: .01em;
}
.eyebrow a {
  color: var(--fg);
}
.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.4rem);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -.03em;
  margin: 0 0 28px 0;
}
.hero-accent {
  color: var(--fg-muted);
  font-weight: 700;
}
.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  color: var(--fg-muted);
  max-width: 720px;
  margin: 0 0 36px 0;
  line-height: 1.65;
}
.lede strong {
  color: var(--fg);
  font-weight: 600;
}
.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.cta {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .12s;
}
.cta:hover {
  transform: translateY(-1px);
}
.cta-primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.cta-primary:hover {
  background: #fff;
  color: var(--bg);
}
.cta-secondary {
  border-color: var(--border);
  color: var(--fg);
}
.cta-secondary:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
}

.hero-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.badge {
  padding: 4px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .82rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

/* ------------ Bands ------------ */

.band {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.band h2,
.features h2,
.commands h2,
.install h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -.02em;
  margin: 0 0 24px 0;
  font-weight: 700;
}
.band p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 760px;
  margin: 0 0 16px 0;
  line-height: 1.7;
}
.band strong {
  color: var(--fg);
  font-weight: 600;
}

.band-authority {
  background: var(--bg-band);
  margin: 0 calc(-1 * max(20px, 5vw));
  padding-left: clamp(20px, 5vw, 48px);
  padding-right: clamp(20px, 5vw, 48px);
}
.checklist {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 10px;
}
.checklist li {
  color: var(--fg-muted);
  padding-left: 26px;
  position: relative;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--fg);
  font-weight: 600;
}

/* ------------ Features ------------ */

.features {
  padding: 72px 0 32px;
  border-top: 1px solid var(--border);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.feature {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  transition: border-color .15s, transform .15s;
}
.feature:hover {
  border-color: var(--fg-muted);
  transform: translateY(-2px);
}
.feature h3 {
  margin: 0 0 10px 0;
  font-size: 1.05rem;
  letter-spacing: -.005em;
  font-weight: 600;
  color: var(--fg);
}
.feature p {
  margin: 0;
  color: var(--fg-muted);
  font-size: .95rem;
  line-height: 1.6;
}

/* ------------ Install ------------ */

.install {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.install-lede {
  color: var(--fg-muted);
  margin: 0 0 12px 0;
}
.install pre {
  margin: 0 0 16px 0;
}
.install-note {
  margin: 0 0 28px 0;
  font-size: .9rem;
  color: var(--fg-dim);
  line-height: 1.55;
}
.install-note code {
  font-size: .85em;
}
.install-foot {
  margin-top: 14px;
  font-size: .9rem;
  color: var(--fg-dim);
}

/* ------------ Commands ------------ */

.commands {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}
.command-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 24px;
}
.command {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  gap: 6px;
}
.command code {
  background: none;
  border: none;
  padding: 0;
  color: var(--fg);
  font-size: .95rem;
  font-weight: 500;
}
.command span {
  color: var(--fg-muted);
  font-size: .87rem;
  line-height: 1.5;
}

/* ------------ FAQ ------------ */

.band-faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
  background: var(--bg-elevated);
  transition: border-color .15s;
}
.band-faq details[open] {
  border-color: var(--fg-muted);
}
.band-faq summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--fg);
  list-style: none;
  font-size: 1rem;
}
.band-faq summary::-webkit-details-marker {
  display: none;
}
.band-faq summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  color: var(--fg-muted);
  font-weight: 400;
}
.band-faq details[open] summary::before {
  content: "−";
}
.band-faq details p {
  margin: 12px 0 4px 18px;
  color: var(--fg-muted);
  font-size: .95rem;
}

/* ------------ Footer ------------ */

footer {
  padding: 48px clamp(20px, 5vw, 32px);
  border-top: 1px solid var(--border);
  margin-top: 32px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--content);
  margin: 0 auto;
  flex-wrap: wrap;
}
.footer-brand img {
  height: 24px;
  display: block;
}
footer p {
  color: var(--fg-dim);
  font-size: .9rem;
  margin: 0;
}
footer a {
  color: var(--fg-muted);
  text-decoration: none;
}
footer a:hover {
  color: var(--fg);
}