/* ── Blog theme — light, minimal, Gatekeeper-inspired ── */
:root {
  --blog-bg: #ffffff;
  --blog-bg-soft: #f7f8fa;
  --blog-text: #1a2332;
  --blog-text-dim: #4a5568;
  --blog-text-faint: #8896a6;
  --blog-accent: #10b981;
  --blog-accent-hover: #059669;
  --blog-border: #e8ecf1;
  --blog-border-strong: #d1d8e0;
  --blog-font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --blog-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--blog-font);
  background: var(--blog-bg);
  color: var(--blog-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Topbar ── */
.blog-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 32px;
}
.blog-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blog-text);
}
.blog-brand-mark {
  width: 32px; height: 32px;
  background: var(--blog-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--blog-mono);
  font-weight: 700; font-size: 16px;
  color: #fff;
}
.blog-brand-name {
  font-weight: 600; font-size: 17px; letter-spacing: -0.01em;
}
.blog-brand-slash {
  color: var(--blog-border-strong); font-weight: 300; font-size: 20px;
}
.blog-brand-sub {
  color: var(--blog-text-faint); font-size: 15px; font-weight: 400;
}
.blog-nav {
  display: flex; align-items: center; gap: 28px;
}
.blog-nav a {
  font-size: 14px; color: var(--blog-text-dim);
  text-decoration: none; font-weight: 500;
  transition: color 150ms;
}
.blog-nav a:hover { color: var(--blog-text); }
.blog-nav .cta-btn {
  background: var(--blog-accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  transition: background 150ms;
}
.blog-nav .cta-btn:hover { background: var(--blog-accent-hover); }

/* ── Blog index ── */
.blog-hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 32px 24px;
}
.blog-hero h1 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--blog-text);
}
.blog-hero .lede {
  margin-top: 14px;
  font-size: 17px;
  color: var(--blog-text-dim);
  max-width: 580px;
  line-height: 1.65;
}

.blog-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 32px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.post-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 32px 0;
  border-bottom: 1px solid var(--blog-border);
  transition: background 150ms;
}
.post-card:first-child { border-top: 1px solid var(--blog-border); }
.post-card:hover { background: var(--blog-bg-soft); margin: 0 -16px; padding: 32px 16px; border-radius: 12px; border-color: transparent; }
.post-card:hover + .post-card { border-top-color: transparent; }

.post-label {
  font-family: var(--blog-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-accent);
  font-weight: 500;
  margin-bottom: 10px;
}
.post-card h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 8px;
  color: var(--blog-text);
}
.post-card p {
  font-size: 15px;
  color: var(--blog-text-dim);
  line-height: 1.6;
  max-width: 640px;
}
.post-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-family: var(--blog-mono);
  font-size: 12px;
  color: var(--blog-text-faint);
  letter-spacing: 0.02em;
}
.post-meta-row .dot { opacity: 0.4; }

/* ── Blog article ── */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.blog-back {
  font-family: var(--blog-mono);
  font-size: 13px;
  color: var(--blog-text-faint);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 150ms;
}
.blog-back:hover { color: var(--blog-text-dim); }

.blog-article-label {
  font-family: var(--blog-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-accent);
  font-weight: 500;
  margin: 32px 0 10px;
}
.blog-article-title {
  font-size: 38px;
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--blog-text);
  text-wrap: balance;
}
.blog-article-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--blog-text-dim);
  margin: 0 0 16px;
  text-wrap: pretty;
}
.blog-article-meta {
  font-family: var(--blog-mono);
  font-size: 12px;
  color: var(--blog-text-faint);
  letter-spacing: 0.03em;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--blog-border);
}

/* ── Article body ── */
.blog-body {
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--blog-text);
}
.blog-body p { margin: 0 0 20px; }
.blog-body h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 48px 0 16px;
  color: var(--blog-text);
}
.blog-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--blog-text);
}
.blog-body code {
  font-family: var(--blog-mono);
  font-size: 13.5px;
  background: var(--blog-bg-soft);
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid var(--blog-border);
  color: var(--blog-text);
}
.blog-body strong { color: var(--blog-text); font-weight: 600; }
.blog-body ul, .blog-body ol { padding-left: 22px; margin: 0 0 20px; }
.blog-body li { margin-bottom: 8px; }
.blog-body a {
  color: var(--blog-accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--blog-accent) 30%, transparent);
  transition: border-color 150ms;
}
.blog-body a:hover { border-bottom-color: var(--blog-accent); }

/* ── Table ── */
.blog-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 28px;
  font-size: 14.5px;
}
.blog-table th, .blog-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--blog-border);
  text-align: left;
}
.blog-table th {
  font-family: var(--blog-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blog-text-faint);
  font-weight: 500;
  background: var(--blog-bg-soft);
}
.blog-table td.num {
  font-family: var(--blog-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.blog-table tr.highlight td {
  background: color-mix(in srgb, var(--blog-accent) 6%, transparent);
  font-weight: 500;
}

/* ── CTA box ── */
.cta-box {
  margin: 56px 0 0;
  padding: 32px;
  border: 1px solid var(--blog-border);
  border-radius: 14px;
  background: var(--blog-bg-soft);
}
.cta-box h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--blog-text);
}
.cta-box p {
  color: var(--blog-text-dim);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 16px;
}
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 9px;
  background: var(--blog-accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background 150ms;
}
.blog-body a.cta-link { color: #fff; border-bottom: none; }
.blog-body a.cta-link:hover { background: var(--blog-accent-hover); border-bottom: none; }

/* ── Footer ── */
.blog-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 32px 48px;
  border-top: 1px solid var(--blog-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--blog-text-faint);
}
.blog-footer a {
  color: var(--blog-text-dim);
  text-decoration: none;
}
.blog-footer a:hover { color: var(--blog-text); }

.footer-note {
  margin-top: 48px;
  font-size: 13px;
  color: var(--blog-text-faint);
  line-height: 1.7;
  padding-top: 24px;
  border-top: 1px solid var(--blog-border);
}
.footer-note a { color: var(--blog-text-dim); }
.footer-note code {
  font-family: var(--blog-mono);
  font-size: 12px;
  background: var(--blog-bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--blog-border);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .blog-topbar { padding: 16px 20px; }
  .blog-nav { gap: 16px; }
  .blog-nav .cta-btn { display: none; }
  .blog-hero { padding: 36px 20px 16px; }
  .blog-hero h1 { font-size: 30px; }
  .blog-grid { padding: 28px 20px 60px; }
  .post-card h2 { font-size: 20px; }
  .blog-article { padding: 32px 20px 60px; }
  .blog-article-title { font-size: 28px; }
  .blog-footer { padding: 24px 20px 40px; }
}