/* Precedent — shared blog stylesheet. Mirrors the homepage design tokens.
   Homepage CSS stays inline in index.html; this file styles /blog pages only. */

:root {
  --bg: #0A0A0B;
  --bg-2: #101013;
  --bg-3: #16161A;
  --card: #131317;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);
  --text: #F3F3EE;
  --dim: #9C9C97;
  --dim-2: #6E6E69;
  --accent: #C6F24E;
  --accent-ink: #0A0A0B;
  --red: #FF6B5E;
  --amber: #F5C451;
  --blue: #6E8CFF;
  --radius: 14px;
  --maxw: 1160px;
  --readw: 720px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --display: 'Space Grotesk', -apple-system, sans-serif;
  --body: 'Inter', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--mono); }
.dim { color: var(--dim); }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; }

.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); display: inline-block;
}

/* ---------- nav ---------- */
nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(10,10,11,0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--display); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.brand .dot { width: 9px; height: 9px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.nav-links { display: flex; gap: 30px; font-size: 14px; color: var(--dim); }
.nav-links a:hover { color: var(--text); }
.btn {
  font-family: var(--body); font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: 9px; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px -8px rgba(198,242,78,0.45); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { background: rgba(255,255,255,0.05); }
.btn-lg { padding: 14px 26px; font-size: 15px; }
@media (max-width: 820px){ .nav-links { display:none; } }

/* ---------- article ---------- */
.article-head { padding: 60px 0 34px; border-bottom: 1px solid var(--line); }
.breadcrumb { font-family: var(--mono); font-size: 12px; color: var(--dim-2); letter-spacing: .04em; margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { color: var(--dim-2); margin: 0 7px; }
.article-head h1 { font-size: 42px; max-width: 900px; margin-top: 14px; }
.article-head .lede { margin-top: 20px; font-size: 19px; color: var(--dim); max-width: var(--readw); line-height: 1.55; }
.byline { margin-top: 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 12.5px; color: var(--dim-2); }
.byline b { color: var(--dim); font-weight: 500; }
.byline .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--dim-2); }

.article-body { max-width: var(--readw); margin: 0 auto; padding: 44px 0 20px; }
.article-body > * { margin-left: auto; margin-right: auto; }
.article-body h2 { font-size: 27px; margin: 44px 0 14px; scroll-margin-top: 90px; }
.article-body h3 { font-size: 20px; margin: 30px 0 10px; scroll-margin-top: 90px; }
.article-body p { margin: 0 0 18px; color: #DDDDD8; font-size: 17px; }
.article-body a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(198,242,78,0.35); }
.article-body a:hover { border-bottom-color: var(--accent); }
.article-body strong { color: #fff; font-weight: 600; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; color: #DDDDD8; }
.article-body li { margin-bottom: 9px; font-size: 17px; }
.article-body li::marker { color: var(--accent); }
.article-body blockquote {
  border-left: 2px solid var(--accent); background: rgba(198,242,78,0.05);
  padding: 14px 20px; margin: 24px 0; border-radius: 0 8px 8px 0; color: var(--text); font-style: normal;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body code { font-family: var(--mono); font-size: 14px; background: var(--bg-3); padding: 2px 6px; border-radius: 5px; color: var(--accent); }
.article-body pre { background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px; padding: 18px; overflow-x: auto; margin: 0 0 22px; }
.article-body pre code { background: none; padding: 0; color: var(--text); }
.article-body hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 15px; }
.article-body th, .article-body td { border: 1px solid var(--line-2); padding: 10px 13px; text-align: left; }
.article-body th { background: var(--bg-3); font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); }
.article-body img { max-width: 100%; border-radius: 12px; border: 1px solid var(--line); margin: 10px 0 24px; }

/* Key-takeaway / TL;DR box — strong AEO signal (answer-first) */
.tldr {
  max-width: var(--readw); margin: 0 auto 8px; background: var(--card);
  border: 1px solid var(--line-2); border-left: 2px solid var(--accent);
  border-radius: 12px; padding: 20px 24px;
}
.tldr .k { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.tldr p { margin: 8px 0 0; color: var(--text); font-size: 16.5px; }

/* FAQ */
.faq { max-width: var(--readw); margin: 40px auto 0; }
.faq h2 { font-size: 27px; margin-bottom: 8px; }
.faq details { border-bottom: 1px solid var(--line); padding: 6px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-family: var(--display); font-weight: 600; font-size: 18px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: var(--mono); font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: #DDDDD8; padding: 0 0 16px; font-size: 16.5px; }

/* CTA card */
.cta-card {
  max-width: var(--readw); margin: 54px auto 0; text-align: center;
  background: linear-gradient(180deg, var(--bg-3), var(--card));
  border: 1px solid var(--line-2); border-radius: 16px; padding: 40px 32px;
  position: relative; overflow: hidden;
}
.cta-card h3 { font-size: 25px; }
.cta-card p { color: var(--dim); margin: 12px auto 24px; max-width: 460px; }
.cta-card .micro { font-family: var(--mono); font-size: 12px; color: var(--dim-2); margin-top: 16px; }

/* ---------- blog listing ---------- */
.list-head { padding: 66px 0 30px; border-bottom: 1px solid var(--line); }
.list-head h1 { font-size: 44px; margin-top: 14px; }
.list-head p { margin-top: 16px; font-size: 18px; color: var(--dim); max-width: 620px; }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 44px 0 80px; }
@media (max-width: 780px){ .post-grid { grid-template-columns: 1fr; } .article-head h1 { font-size: 32px; } }
.post-card {
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 26px 24px; transition: border-color .2s ease, transform .2s ease;
}
.post-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.post-card .cat { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.post-card h2 { font-size: 21px; margin: 12px 0 10px; }
.post-card p { color: var(--dim); font-size: 15px; flex-grow: 1; }
.post-card .meta { margin-top: 18px; font-family: var(--mono); font-size: 12px; color: var(--dim-2); }

/* ---------- footer ---------- */
footer { border-top:1px solid var(--line); padding:34px 0; margin-top: 40px; }
.foot { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.foot .links { display:flex; gap:24px; font-family:var(--mono); font-size:13px; color:var(--dim); }
.foot .links a:hover { color:var(--text); }
.foot .cp { font-family:var(--mono); font-size:12px; color:var(--dim-2); }