/* Shared styles for blog.html and posts/*.html — mirrors index.html design system */
:root{
  --ink:#1a1e24; --ink-soft:#4a5158; --ink-faint:#8a9096;
  --paper:#faf9f6; --paper-alt:#f1efe9;
  --accent:#0e5f5c; --accent-deep:#0a4442; --accent-warm:#c8813a;
  --line:#e3dfd6; --radius:14px;
  --serif:"Fraunces", Georgia, serif;
  --sans:"Inter", -apple-system, "Segoe UI", sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#fff}

nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(250,249,246,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 28px;height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--serif);font-size:1.15rem;font-weight:600;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:34px;list-style:none}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:.86rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}

.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.kicker{font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.18}
.rule{width:56px;height:3px;background:var(--accent-warm);border-radius:2px;margin-bottom:26px}
footer{background:#14171b;color:#8a9096;padding:34px 0;font-size:.84rem}
.foot-inner{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.foot-inner a{color:#b9bcc0;text-decoration:none}
.foot-inner a:hover{color:#fff}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Blog listing ---------- */
.page-head{padding:150px 0 40px;background:radial-gradient(900px 420px at 85% -10%, rgba(14,95,92,.08), transparent 60%),var(--paper)}
.page-head h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.01em;margin-bottom:16px}
.page-head .lede{font-size:1.1rem;color:var(--ink-soft);max-width:640px}

.tag-cloud{padding:34px 0 8px;border-bottom:1px solid var(--line)}
.tag-cloud .tc-label{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:16px}
.tc-pills{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:28px}
.pill{
  font-family:var(--sans);font-size:.84rem;font-weight:500;cursor:pointer;
  padding:8px 18px;border-radius:100px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink-soft);transition:all .2s;
}
.pill .cnt{opacity:.55;font-size:.76em;margin-left:5px}
.pill:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.pill.active{background:var(--accent);border-color:var(--accent);color:#fff}
.pill.active .cnt{opacity:.75}

.filter-note{display:none;padding:18px 0 0;font-size:.9rem;color:var(--ink-soft)}
.filter-note button{background:none;border:none;color:var(--accent);font-weight:600;cursor:pointer;font-size:.9rem;text-decoration:underline}

.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:44px 0 20px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;
  transition:transform .25s,box-shadow .25s;
}
.post-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(26,30,36,.12)}
.post-card .pc-img{aspect-ratio:3/2;overflow:hidden;background:var(--paper-alt)}
.post-card .pc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.post-card:hover .pc-img img{transform:scale(1.05)}
.post-card .pc-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.post-card .pc-date{font-size:.76rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-warm);margin-bottom:10px}
.post-card h3{font-size:1.12rem;line-height:1.35;margin-bottom:10px}
.post-card p{font-size:.88rem;color:var(--ink-soft);margin-bottom:16px}
.post-card .pc-tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:7px}
.mini-tag{font-size:.68rem;font-weight:500;padding:3px 10px;border-radius:100px;background:var(--paper-alt);color:var(--ink-soft);border:1px solid var(--line)}
.no-results{display:none;padding:60px 0;text-align:center;color:var(--ink-faint);font-size:1rem}

/* ---------- Archive ---------- */
.archive{padding:56px 0 96px;border-top:1px solid var(--line);margin-top:44px}
.archive h3{font-size:1.05rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:24px}
.arch-year{margin-bottom:26px}
.arch-year .yr{font-family:var(--serif);font-size:1.5rem;color:var(--accent);font-weight:600;margin-bottom:8px}
.arch-row{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px;
  padding:13px 6px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;transition:background .2s;
}
.arch-row:hover{background:rgba(14,95,92,.04)}
.arch-row .d{font-size:.8rem;color:var(--ink-faint);min-width:96px;font-variant-numeric:tabular-nums}
.arch-row .t{font-weight:500;font-size:.98rem;flex:1;min-width:220px}
.arch-row .t:hover{color:var(--accent)}
.arch-row .at{font-size:.78rem;color:var(--ink-faint)}

/* ---------- Single post ---------- */
.post-head{padding:150px 0 0}
.post-head .back{font-size:.85rem;color:var(--accent);text-decoration:none;font-weight:500}
.post-head .back:hover{text-decoration:underline}
.post-head h1{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.015em;margin:20px 0 18px;max-width:820px}
.post-meta{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;font-size:.86rem;color:var(--ink-faint);margin-bottom:14px}
.post-meta .ptags{display:flex;flex-wrap:wrap;gap:8px}
.ptag{font-size:.76rem;font-weight:500;padding:4px 13px;border-radius:100px;background:var(--paper-alt);border:1px solid var(--line);color:var(--ink-soft);text-decoration:none;transition:all .2s}
.ptag:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.post-hero{margin:26px 0 0;border-radius:var(--radius);overflow:hidden;box-shadow:0 22px 55px rgba(26,30,36,.14)}
.post-hero img{width:100%;display:block;aspect-ratio:3/2;object-fit:cover;max-height:520px}
.post-body{max-width:760px;margin:0 auto;padding:56px 0 30px}
.post-body p{margin-bottom:20px;color:var(--ink-soft);font-size:1.05rem}
.post-body p strong{color:var(--ink)}
.post-body h2{font-size:1.45rem;margin:36px 0 14px}
.post-body blockquote{
  border-left:3px solid var(--accent-warm);padding:6px 0 6px 24px;margin:28px 0;
  font-family:var(--serif);font-size:1.2rem;font-style:italic;color:var(--ink);
}
.post-body ul{margin:0 0 20px 22px;color:var(--ink-soft)}
.post-body li{margin-bottom:8px}
.post-foot{border-top:1px solid var(--line);margin-top:20px;padding:34px 0 90px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.post-foot a{color:var(--accent);text-decoration:none;font-weight:500;font-size:.92rem}
.post-foot a:hover{text-decoration:underline}

@media(max-width:960px){.posts-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){
  .posts-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 0}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:13px 28px}
  .menu-toggle{display:block}
}