:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --fg: #1a1d21;
  --muted: #5b6472;
  --card: #ffffff;
  --border: #e2e5ea;
  --accent: #2563eb;
  --accent-soft: #2563eb1a;
  --accent-fg: #ffffff;
  --code-bg: #0f172a;
  --code-fg: #e2e8f0;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --fg: #e6e8eb;
    --muted: #9aa3af;
    --card: #161a21;
    --border: #2a2f37;
    --accent: #3b82f6;
    --accent-soft: #3b82f61a;
    --code-bg: #0b0f19;
    --code-fg: #dbe4f0;
  }
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
}
.wordmark {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.wordmark:hover {
  text-decoration: none;
}
.wordmark span {
  color: var(--accent);
}
nav a {
  margin-left: 1.25rem;
  font-weight: 500;
}
.nav-toggle {
  display: none;
}
.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 0.25rem;
}
.nav-toggle-label span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: var(--fg);
  border-radius: 2px;
}
@media (max-width: 720px) {
  .nav-toggle-label {
    display: block;
  }
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem 1rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
  }
  nav a {
    margin-left: 0;
  }
  .nav-toggle:checked ~ nav {
    display: flex;
  }
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
}
.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 40rem;
  margin: 0 auto 2rem;
}
.cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--fg);
  background: var(--card);
}
.btn:hover {
  text-decoration: none;
  border-color: var(--accent);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}
.btn.primary:hover {
  filter: brightness(1.08);
}
section {
  padding: 2.5rem 0;
}
h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}
.feature h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}
.feature p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.post {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.post h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}
.post p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}
code {
  font-family: var(--mono);
  font-size: 0.9em;
}
pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  line-height: 1.55;
}
pre code {
  font-size: 0.85rem;
}
.example-caption {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.status {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
.status strong {
  color: var(--accent);
}
footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a {
  margin: 0 0.5rem;
}

/* Blog post page */
.post-page {
  max-width: 720px;
}
.post-header {
  padding: 3rem 0 0.25rem;
}
.post-header h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}
.post-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 2rem;
}
.post-meta .author {
  color: var(--fg);
  font-weight: 600;
}
.post-content {
  font-size: 1.05rem;
}
.post-content p {
  margin: 0 0 1.25rem;
}
.post-content pre {
  margin: 0 0 1.25rem;
}
.post-content ul {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}
.post-content li {
  margin-bottom: 0.4rem;
}
.post-content h2 {
  margin-top: 2.5rem;
}
.post-content blockquote {
  margin: 0 0 1.25rem;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}
.post-content blockquote p {
  margin: 0;
}
.post-back {
  margin: 3rem 0 4rem;
}