/* ============================================================
   HAMZIO — Blog (index + post detail)
   Depends on styles.css (shared design system + inner-page components).
   Dark · glassy · neon-cyber glow · input→output motif
   ============================================================ */

/* ============================================================
   BLOG INDEX
   ============================================================ */

/* ---- featured post ---- */
.feat-post{ display:grid; grid-template-columns:1.15fr 1fr; gap:0; border-radius:var(--radius-lg); overflow:hidden;
  margin-top:14px; transition:transform .45s var(--ease), border-color .4s, box-shadow .45s; position:relative; }
.feat-post:hover{ transform:translateY(-4px); border-color:var(--border-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.07), 0 40px 80px -50px var(--glow-cyan); }
.feat-img{ position:relative; min-height:340px; border-right:1px solid var(--hairline);
  background:repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 13px, rgba(255,255,255,0.015) 13px 26px);
  display:flex; align-items:center; justify-content:center; overflow:hidden; }
.feat-img::after{ content:''; position:absolute; inset:0;
  background:radial-gradient(420px 260px at 22% 18%, rgba(var(--cyan-rgb),0.18), transparent 62%),
             radial-gradient(360px 280px at 88% 96%, rgba(var(--violet-rgb),0.16), transparent 60%); pointer-events:none; }
.feat-img .ph-tag{ position:relative; z-index:1; font-family:var(--font-mono); font-size:0.74rem; color:var(--text-3);
  border:1px dashed var(--border-2); padding:8px 15px; border-radius:10px; background:rgba(6,8,16,0.5); }
.feat-flag{ position:absolute; z-index:2; top:18px; left:18px; display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.16em; text-transform:uppercase; color:#04111a; font-weight:600;
  padding:6px 12px; border-radius:999px; background:linear-gradient(180deg,var(--cyan),var(--cyan-2));
  box-shadow:0 8px 24px -10px var(--glow-cyan); }
.feat-body{ padding:clamp(28px,4vw,46px); display:flex; flex-direction:column; justify-content:center; }
.feat-body .post-meta{ margin-bottom:18px; }
.feat-body h2{ font-family:var(--font-display); font-weight:600; font-size:clamp(1.6rem,2.8vw,2.3rem); line-height:1.12;
  letter-spacing:-0.03em; margin:0; }
.feat-body .dek{ color:var(--text-2); font-size:1.05rem; line-height:1.6; margin-top:16px; max-width:48ch; }
.feat-body .post-foot{ display:flex; align-items:center; gap:14px; margin-top:26px; }
.feat-body .read-link{ display:inline-flex; align-items:center; gap:9px; color:var(--cyan); font-weight:600; font-size:0.95rem; transition:gap .3s; }
.feat-post:hover .read-link{ gap:13px; }

/* ---- shared post meta ---- */
.post-meta{ display:flex; align-items:center; gap:14px; font-family:var(--font-mono); font-size:0.7rem; color:var(--text-3); flex-wrap:wrap; }
.post-meta .cat{ color:var(--cyan); letter-spacing:0.04em; }
.post-meta .sep{ opacity:0.45; }
.post-meta .rt{ display:inline-flex; align-items:center; gap:6px; }

/* ---- filter bar ---- */
.blog-toolbar{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  margin-top:14px; }
.filter-chips{ display:flex; gap:9px; flex-wrap:wrap; }
.chip{ font-family:var(--font-mono); font-size:0.74rem; letter-spacing:0.02em; color:var(--text-2);
  padding:9px 16px; border-radius:999px; border:1px solid var(--border); background:var(--glass);
  backdrop-filter:blur(12px); transition:.28s var(--ease); white-space:nowrap; }
.chip:hover{ border-color:var(--border-2); color:var(--text); }
.chip.active{ color:#04111a; font-weight:600; background:linear-gradient(180deg,var(--cyan),var(--cyan-2));
  border-color:transparent; box-shadow:0 0 0 1px rgba(var(--cyan-rgb),0.4), 0 10px 28px -14px var(--glow-cyan); }
.result-count{ font-family:var(--font-mono); font-size:0.72rem; color:var(--text-3); white-space:nowrap; }

/* ---- post grid ---- */
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:34px; }
.post{ display:flex; flex-direction:column; border-radius:var(--radius-lg); overflow:hidden;
  transition:transform .4s var(--ease), border-color .4s, box-shadow .4s; }
.post:hover{ transform:translateY(-5px); border-color:var(--border-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.07), 0 30px 60px -42px var(--glow-cyan); }
.post-img{ aspect-ratio:16/10; position:relative; border-bottom:1px solid var(--hairline);
  background:repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 12px, rgba(255,255,255,0.015) 12px 24px);
  display:flex; align-items:center; justify-content:center; overflow:hidden; }
.post-img::after{ content:''; position:absolute; inset:0; opacity:0.7;
  background:radial-gradient(280px 180px at 80% 100%, rgba(var(--violet-rgb),0.14), transparent 62%); pointer-events:none; }
.post-img .ph-tag{ position:relative; z-index:1; font-family:var(--font-mono); font-size:0.68rem; color:var(--text-3);
  border:1px dashed var(--border-2); padding:6px 12px; border-radius:9px; background:rgba(6,8,16,0.45); }
.post-img .sched{ position:absolute; z-index:2; top:14px; left:14px; font-family:var(--font-mono); font-size:0.6rem;
  letter-spacing:0.12em; text-transform:uppercase; color:var(--violet); padding:5px 10px; border-radius:7px;
  border:1px solid rgba(var(--violet-rgb),0.32); background:rgba(6,8,16,0.55); }
.post-body{ padding:22px 24px 26px; display:flex; flex-direction:column; flex:1; }
.post-body h3{ font-family:var(--font-display); font-weight:600; font-size:1.2rem; line-height:1.28;
  letter-spacing:-0.02em; margin-top:14px; transition:color .25s; }
.post:hover .post-body h3{ color:var(--cyan); }
.post-body .excerpt{ color:var(--text-2); font-size:0.92rem; line-height:1.55; margin-top:11px; }
.post-body .read-link{ display:inline-flex; align-items:center; gap:8px; margin-top:18px; color:var(--cyan);
  font-weight:600; font-size:0.88rem; transition:gap .3s; }
.post:hover .post-body .read-link{ gap:12px; }

/* empty state when a filter has no posts */
.blog-empty{ display:none; text-align:center; padding:60px 20px; color:var(--text-3); font-family:var(--font-mono); font-size:0.85rem; }
.blog-empty.show{ display:block; }

/* ---- newsletter ---- */
.newsletter{ position:relative; padding:clamp(34px,5vw,58px); border-radius:var(--radius-lg); overflow:hidden;
  display:grid; grid-template-columns:1.1fr 1fr; gap:40px; align-items:center; }
.newsletter::before{ content:''; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(560px 300px at 12% 0%, rgba(var(--cyan-rgb),0.16), transparent 64%),
             radial-gradient(520px 300px at 92% 120%, rgba(var(--violet-rgb),0.15), transparent 64%); }
.newsletter h2{ font-family:var(--font-display); font-weight:600; font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.1; letter-spacing:-0.03em; }
.newsletter p{ color:var(--text-2); font-size:1.02rem; margin-top:14px; max-width:42ch; }
.nl-form{ display:flex; gap:10px; flex-wrap:wrap; }
.nl-form input{ flex:1; min-width:220px; font-family:var(--font-body); font-size:0.95rem; color:var(--text);
  padding:14px 18px; border-radius:999px; border:1px solid var(--border-2); background:rgba(6,8,16,0.4);
  outline:none; transition:.3s; }
.nl-form input::placeholder{ color:var(--text-3); }
.nl-form input:focus{ border-color:rgba(var(--cyan-rgb),0.5); box-shadow:0 0 0 3px rgba(var(--cyan-rgb),0.12); }
.nl-note{ font-family:var(--font-mono); font-size:0.68rem; color:var(--text-3); margin-top:14px; }

/* ============================================================
   POST DETAIL
   ============================================================ */
.article-hero .ph-inner{ max-width:820px; }
.article-hero .post-meta{ margin-top:20px; }
.article-hero h1{ font-family:var(--font-display); font-weight:600; font-size:clamp(2.1rem,4.6vw,3.4rem);
  line-height:1.07; letter-spacing:-0.035em; margin:18px 0 0; }
.article-hero .dek{ font-size:1.18rem; color:var(--text-2); margin-top:20px; max-width:60ch; line-height:1.6; }

/* byline */
.byline{ display:flex; align-items:center; gap:14px; margin-top:30px; padding-top:26px; border-top:1px solid var(--hairline); }
.byline .avatar{ width:46px; height:46px; border-radius:50%; flex:none; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; font-size:1.05rem; color:var(--cyan);
  background:var(--glass-2); border:1px solid rgba(var(--cyan-rgb),0.3); box-shadow:0 0 22px -8px var(--glow-cyan); }
.byline .bl-name{ font-family:var(--font-display); font-weight:600; font-size:0.98rem; letter-spacing:-0.01em; }
.byline .bl-role{ font-family:var(--font-mono); font-size:0.7rem; color:var(--text-3); margin-top:3px; }

/* cover */
.article-cover{ position:relative; aspect-ratio:21/9; border-radius:var(--radius-lg); overflow:hidden; margin-top:40px;
  background:repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 14px, rgba(255,255,255,0.015) 14px 28px);
  display:flex; align-items:center; justify-content:center; }
.article-cover::after{ content:''; position:absolute; inset:0;
  background:radial-gradient(540px 320px at 18% 10%, rgba(var(--cyan-rgb),0.16), transparent 60%),
             radial-gradient(480px 340px at 88% 100%, rgba(var(--violet-rgb),0.15), transparent 60%); pointer-events:none; }
.article-cover .ph-tag{ position:relative; z-index:1; font-family:var(--font-mono); font-size:0.78rem; color:var(--text-3);
  border:1px dashed var(--border-2); padding:9px 16px; border-radius:10px; background:rgba(6,8,16,0.5); }

/* article layout: prose + sticky aside */
.article-layout{ display:grid; grid-template-columns:1fr 240px; gap:56px; align-items:start; padding:56px 0; }
.article-main{ min-width:0; }

/* prose (article body) — extends shared .prose */
.article-main .prose h2{ font-family:var(--font-display); font-weight:600; font-size:clamp(1.5rem,2.6vw,1.95rem);
  letter-spacing:-0.025em; line-height:1.2; margin-top:46px; scroll-margin-top:110px; }
.article-main .prose h2:first-child{ margin-top:0; }
.article-main .prose h3{ font-family:var(--font-display); font-weight:600; font-size:1.28rem;
  letter-spacing:-0.02em; margin-top:34px; scroll-margin-top:110px; }
.article-main .prose p{ max-width:70ch; }
.article-main .prose a{ color:var(--cyan); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px;
  text-decoration-color:rgba(var(--cyan-rgb),0.4); transition:text-decoration-color .25s; }
.article-main .prose a:hover{ text-decoration-color:var(--cyan); }
.article-main .prose ul,.article-main .prose ol{ margin:18px 0 0; padding-left:0; list-style:none; max-width:68ch; }
.article-main .prose ul li,.article-main .prose ol li{ position:relative; padding-left:30px; color:var(--text-2);
  font-size:1.05rem; line-height:1.65; margin-top:12px; }
.article-main .prose ul li::before{ content:''; position:absolute; left:6px; top:11px; width:7px; height:7px; border-radius:2px;
  background:var(--cyan); transform:rotate(45deg); box-shadow:0 0 10px -1px var(--glow-cyan); }
.article-main .prose ol{ counter-reset:li; }
.article-main .prose ol li{ counter-increment:li; }
.article-main .prose ol li::before{ content:counter(li); position:absolute; left:0; top:0; font-family:var(--font-mono);
  font-size:0.78rem; color:var(--cyan); font-weight:600; }

/* blockquote / pull quote */
.article-main .prose blockquote{ margin:34px 0; padding:6px 0 6px 26px; border-left:2px solid var(--cyan);
  font-family:var(--font-display); font-weight:500; font-size:1.4rem; line-height:1.4; letter-spacing:-0.02em; color:var(--text);
  max-width:62ch; }
.article-main .prose blockquote cite{ display:block; font-family:var(--font-mono); font-size:0.72rem; font-style:normal;
  color:var(--text-3); margin-top:14px; letter-spacing:0.04em; }

/* inline figure placeholder */
.article-main figure{ margin:40px 0; }
.fig-ph{ position:relative; aspect-ratio:16/9; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border);
  background:repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 12px, rgba(255,255,255,0.012) 12px 24px);
  display:flex; align-items:center; justify-content:center; }
.fig-ph .ph-tag{ font-family:var(--font-mono); font-size:0.7rem; color:var(--text-3); border:1px dashed var(--border-2);
  padding:7px 13px; border-radius:9px; background:rgba(6,8,16,0.45); }
.article-main figcaption{ font-family:var(--font-mono); font-size:0.72rem; color:var(--text-3); margin-top:12px; text-align:center; }

/* callout / key takeaway box */
.callout{ margin:34px 0; padding:24px 26px; border-radius:var(--radius); border:1px solid var(--border);
  background:var(--glass); position:relative; overflow:hidden; }
.callout::before{ content:''; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:linear-gradient(180deg,var(--cyan),var(--violet)); }
.callout .co-label{ font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--cyan); }
.callout p{ margin-top:10px !important; color:var(--text-2); }

/* code block */
.article-main pre{ margin:30px 0; padding:22px 24px; border-radius:var(--radius); border:1px solid var(--border);
  background:rgba(4,6,12,0.6); overflow-x:auto; font-family:var(--font-mono); font-size:0.86rem; line-height:1.65; color:var(--text-2); }
.article-main code{ font-family:var(--font-mono); font-size:0.88em; color:var(--cyan);
  background:rgba(var(--cyan-rgb),0.08); padding:2px 6px; border-radius:5px; }
.article-main pre code{ background:none; padding:0; color:inherit; }

/* aside (sticky TOC + share) */
.article-aside{ position:sticky; top:104px; align-self:start; }
.toc-label{ font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--text-3); margin-bottom:14px; }
.toc{ display:flex; flex-direction:column; gap:2px; border-left:1px solid var(--hairline); }
.toc a{ font-size:0.86rem; color:var(--text-3); padding:7px 0 7px 16px; margin-left:-1px; border-left:1px solid transparent;
  transition:color .25s, border-color .25s; line-height:1.4; }
.toc a:hover{ color:var(--text-2); }
.toc a.active{ color:var(--cyan); border-left-color:var(--cyan); }
.share{ margin-top:30px; padding-top:24px; border-top:1px solid var(--hairline); }
.share-row{ display:flex; gap:9px; margin-top:14px; }
.share-row a,.share-row button{ width:38px; height:38px; border-radius:11px; border:1px solid var(--border);
  background:var(--glass); display:flex; align-items:center; justify-content:center; color:var(--text-2); transition:.3s; }
.share-row a:hover,.share-row button:hover{ border-color:rgba(var(--cyan-rgb),0.4); color:var(--cyan); transform:translateY(-2px); }
.share-row svg{ width:16px; height:16px; }

/* progress bar */
.read-progress{ position:fixed; top:0; left:0; height:2px; width:0; z-index:60;
  background:linear-gradient(90deg,var(--cyan),var(--violet)); box-shadow:0 0 12px -1px var(--glow-cyan); transition:width .1s linear; }

/* tags + author card at end */
.article-end{ max-width:760px; }
.post-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:40px; }
.post-tags a{ font-family:var(--font-mono); font-size:0.72rem; color:var(--text-2); padding:7px 13px; border-radius:8px;
  border:1px solid var(--border); background:var(--glass); transition:.28s; }
.post-tags a:hover{ border-color:rgba(var(--cyan-rgb),0.4); color:var(--cyan); }
.author-card{ display:flex; gap:18px; align-items:flex-start; margin-top:40px; padding:28px; border-radius:var(--radius-lg); }
.author-card .avatar{ width:60px; height:60px; font-size:1.3rem; flex:none; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:600; color:var(--cyan);
  background:var(--glass-2); border:1px solid rgba(var(--cyan-rgb),0.3); box-shadow:0 0 24px -8px var(--glow-cyan); }
.author-card .ac-name{ font-family:var(--font-display); font-weight:600; font-size:1.15rem; letter-spacing:-0.015em; }
.author-card .ac-role{ font-family:var(--font-mono); font-size:0.72rem; color:var(--cyan); margin-top:4px; }
.author-card .ac-bio{ color:var(--text-2); font-size:0.95rem; line-height:1.6; margin-top:12px; max-width:60ch; }

/* prev/next nav */
.post-nav{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:48px; }
.post-nav a{ padding:24px 26px; border-radius:var(--radius); transition:transform .35s var(--ease), border-color .35s; }
.post-nav a:hover{ transform:translateY(-3px); border-color:var(--border-2); }
.post-nav a.next{ text-align:right; }
.post-nav .pn-label{ font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--text-3); }
.post-nav .pn-title{ font-family:var(--font-display); font-weight:600; font-size:1.05rem; letter-spacing:-0.015em; margin-top:9px; color:var(--text-2); transition:color .25s; }
.post-nav a:hover .pn-title{ color:var(--cyan); }

/* related posts reuse .blog-grid + .post */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .blog-grid{ grid-template-columns:repeat(2,1fr); }
  .feat-post{ grid-template-columns:1fr; }
  .feat-img{ border-right:none; border-bottom:1px solid var(--hairline); min-height:240px; }
  .newsletter{ grid-template-columns:1fr; gap:24px; }
  .article-layout{ grid-template-columns:1fr; gap:0; }
  .article-aside{ position:static; display:none; }
}
@media (max-width:640px){
  .blog-grid{ grid-template-columns:1fr; }
  .post-nav{ grid-template-columns:1fr; }
  .article-cover{ aspect-ratio:16/10; }
}