:root {
  --bg:        #0a0a0b;
  --bg-2:      #101113;
  --surface:   #131517;
  --surface-2: #181a1d;
  --border:    #22252a;
  --border-2:  #2c3037;
  --text:      #f3f4f6;
  --text-2:    #9aa2ad;
  --text-3:    #6b7280;
  --accent:    #b6ff3c;
  --accent-ink:#0a1400;
  --accent-soft: rgba(182, 255, 60, 0.12);
  --critical:  #ff5a5f;
  --high:      #ffb547;
  --low:       #6ee7b7;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease;
}
a:hover { border-bottom-color: var(--accent); }

/* ─── Top nav ─────────────────────────────────────────────────────────── */
nav.top {
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
nav.top .wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
nav.top .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  border-bottom: none;
}
nav.top .logo-mark {
  width: 22px; height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 6px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
}
nav.top .links { display: flex; gap: 22px; font-size: 14px; }
nav.top .links a {
  color: var(--text-2);
  border-bottom: none;
}
nav.top .links a:hover { color: var(--text); }
nav.top .cta {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: none;
}
nav.top .cta:hover { opacity: .9; border-bottom: none; }

/* ─── Article layout ──────────────────────────────────────────────────── */
article.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

article.post header { margin-bottom: 48px; }

article.post .cat {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

article.post h1 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  font-weight: 700;
}

article.post .lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-2);
  margin: 0 0 22px;
}

article.post .meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
article.post .meta::before { content: '// '; opacity: .7; }

/* ─── Prose typography ────────────────────────────────────────────────── */
.prose h2 {
  font-size: 26px;
  margin: 56px 0 16px;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.prose h2::before {
  content: '## ';
  color: var(--accent);
  font-family: var(--mono);
  opacity: .7;
}

.prose h3 {
  font-size: 20px;
  margin: 36px 0 12px;
  font-weight: 600;
}

.prose p {
  margin: 0 0 18px;
  color: var(--text);
}

.prose ul, .prose ol {
  margin: 0 0 22px;
  padding-left: 24px;
}
.prose li {
  margin: 6px 0;
  color: var(--text);
}
.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { color: var(--accent); font-family: var(--mono); }

.prose code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--text);
}

.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
  margin: 22px 0;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  margin: 26px 0;
  padding: 4px 0 4px 18px;
  color: var(--text-2);
  font-style: italic;
}

.prose strong { color: var(--text); font-weight: 600; }
.prose em { color: var(--text); font-style: italic; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 14px;
}
.prose th, .prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.prose th {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
}

/* Severity tags inline */
.sev {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.sev.crit { background: rgba(255,90,95,0.15); color: var(--critical); }
.sev.high { background: rgba(255,181,71,0.15); color: var(--high); }
.sev.med  { background: rgba(110,231,183,0.15); color: var(--low); }

/* ─── End-of-post CTA ─────────────────────────────────────────────────── */
.post-cta {
  margin: 64px 0 0;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}
.post-cta h2 {
  font-size: 22px;
  margin: 0 0 8px;
  font-weight: 700;
}
.post-cta h2::before { display: none; }
.post-cta p { color: var(--text-2); margin: 0 0 18px; }
.post-cta .btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  border-bottom: none;
}
.post-cta .btn:hover { opacity: .9; border-bottom: none; }

/* ─── Footer ──────────────────────────────────────────────────────────── */
footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-3);
}
footer.site a { color: var(--text-2); border-bottom: none; }
footer.site a:hover { color: var(--text); }
footer.site .links {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

/* ─── Blog index list ─────────────────────────────────────────────────── */
.blog-index {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.blog-index h1 {
  font-size: 42px;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.blog-index .lede {
  font-size: 18px;
  color: var(--text-2);
  margin: 0 0 48px;
  line-height: 1.55;
}
.post-card {
  display: block;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  border-bottom: 1px solid var(--border) !important;
  color: var(--text);
}
.post-card:hover { background: rgba(255,255,255,0.015); }
.post-card .cat {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}
.post-card h2 {
  font-size: 22px;
  margin: 8px 0;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.post-card h2::before { display: none; }
.post-card p {
  color: var(--text-2);
  margin: 0;
  font-size: 15px;
}
.post-card .meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-3);
  margin-top: 10px;
}

@media (max-width: 600px) {
  article.post { padding: 40px 18px 60px; }
  article.post h1 { font-size: 32px; }
  .prose h2 { font-size: 22px; }
  .blog-index { padding: 40px 18px 60px; }
  .blog-index h1 { font-size: 32px; }
  nav.top .wrap { padding: 12px 18px; }
}