:root {
  --cb-bg: #ffffff;
  --cb-fg: #0b0c0f;
  --cb-muted: rgba(11, 12, 15, 0.65);
  --cb-border: rgba(11, 12, 15, 0.12);
  --cb-accent: #ff3d00;
  --cb-code-bg: rgba(11, 12, 15, 0.06);
  --cb-pill-bg: rgba(11, 12, 15, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --cb-bg: #0b0c0f;
    --cb-fg: #ffffff;
    --cb-muted: rgba(255, 255, 255, 0.72);
    --cb-border: rgba(255, 255, 255, 0.14);
    --cb-accent: #ff6a3d;
    --cb-code-bg: rgba(255, 255, 255, 0.08);
    --cb-pill-bg: rgba(255, 255, 255, 0.08);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--cb-bg);
  color: var(--cb-fg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.45;
}

a { color: inherit; text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { text-decoration-color: var(--cb-accent); }

.cb-top {
  position: sticky;
  top: 0;
  background: color-mix(in oklab, var(--cb-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--cb-border);
}
.cb-top__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.cb-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.cb-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cb-border);
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.cb-brand__name { font-weight: 700; letter-spacing: -0.02em; }

.cb-nav { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.cb-nav__link { text-decoration: none; border-bottom: 1px solid transparent; }
.cb-nav__link:hover { border-bottom-color: var(--cb-accent); }
.cb-nav__link--muted { color: var(--cb-muted); }

.cb-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 18px 36px;
}

.cb-title {
  margin: 0;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.cb-tagline {
  margin: 14px 0 0;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--cb-muted);
  max-width: 62ch;
}

.cb-content { margin-top: 34px; }

.cb-content h2 {
  margin: 34px 0 12px;
  font-size: 18px;
  letter-spacing: 0.01em;
}
.cb-content h3 { margin: 18px 0 10px; font-size: 16px; }
.cb-content p { margin: 10px 0; max-width: 72ch; }

.cb-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  padding: 0.12em 0.34em;
  border-radius: 8px;
  background: var(--cb-code-bg);
  border: 1px solid var(--cb-border);
}
.cb-content pre {
  margin: 14px 0;
  padding: 14px 16px;
  border-radius: 14px;
  overflow: auto;
  background: var(--cb-code-bg);
  border: 1px solid var(--cb-border);
}
.cb-content pre code { padding: 0; border: 0; background: transparent; }

.cb-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.cb-card {
  grid-column: span 6;
  border: 1px solid var(--cb-border);
  border-radius: 14px;
  padding: 14px 14px 12px;
  background: color-mix(in oklab, var(--cb-bg) 92%, var(--cb-code-bg));
}
.cb-card h3 { margin: 0 0 8px; font-size: 15px; }
.cb-card p { margin: 0; color: var(--cb-muted); }

@media (max-width: 720px) {
  .cb-card { grid-column: span 12; }
}

.cb-pills {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cb-pills li {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--cb-pill-bg);
  border: 1px solid var(--cb-border);
  color: var(--cb-muted);
}

.cb-quotes { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.cb-quote {
  border: 1px solid var(--cb-border);
  border-radius: 14px;
  padding: 12px 14px;
}
.cb-quote p { margin: 0; }
.cb-quote__meta { margin-top: 8px; color: var(--cb-muted); font-size: 14px; }

.cb-bottom {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cb-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--cb-border);
  background: var(--cb-pill-bg);
  text-decoration: none;
}
.cb-pill:hover { border-color: var(--cb-accent); }

.cb-footer {
  border-top: 1px solid var(--cb-border);
  padding: 18px 0;
}
.cb-footer__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--cb-muted);
}
.cb-footer__right { display: inline-flex; gap: 10px; flex-wrap: wrap; }