/* ============================================================
   MATRIXE — Blog stylesheet (blog.html · blog-category.html · blog-single.html)
   Loaded AFTER style.css. Reuses all tokens + shared components
   (.wrap .eye .btn .res-grid .res-card .hero-ref pastel hero, nav, footer).
   Only blog-specific pieces live here:
     1. Blog hero tweaks + post count
     2. Category filter pills
     3. Featured post (large 2-col)
     4. Pagination
     5. Newsletter band
     6. Single post — crumbs, badge, title, meta, cover
     7. Single post — 2-col layout + prose typography
     8. Single post — sticky aside (TOC, share, author)
     9. Related posts
    10. Responsive
   ============================================================ */


/* ============== 1. BLOG HERO ============== */
/* Uses .hero-ref base (pastel gradient reskin from style.css). These add
   centered alignment + a post-count strip. */
.blog-hero .wrap{max-width:1000px}
.blog-hero .eye{margin:0 auto}
.blog-hero{text-align:center}
.blog-hero h1{
  margin:22px auto 0;
  max-width:20ch;
}
.blog-hero .hero-lead{margin-left:auto;margin-right:auto;text-align:center}
.blog-hero .blog-stats{
  display:flex;justify-content:center;flex-wrap:wrap;gap:10px 28px;
  margin-top:34px;
}
.blog-hero .blog-stats .s{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-3);
}
.blog-hero .blog-stats .s b{color:var(--ink);font-weight:600}
.blog-hero .blog-stats .s::before{
  content:'';width:6px;height:6px;border-radius:99px;background:var(--accent);
}


/* ============== 2. CATEGORY FILTER PILLS ============== */
.blog-filter{
  position:sticky;top:0;z-index:20;
  background:rgba(244,244,238,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.blog-filter .wrap{
  display:flex;align-items:center;gap:14px;
  padding-top:16px;padding-bottom:16px;
  overflow-x:auto;scrollbar-width:none;
}
.blog-filter .wrap::-webkit-scrollbar{display:none}
.cat-pill{
  flex:none;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:99px;
  border:1px solid var(--line-2);
  font-family:var(--ff-display);font-size:14px;font-weight:500;letter-spacing:-.01em;
  color:var(--ink-2);background:transparent;
  transition:background .2s var(--ease-out), color .2s, border-color .2s, transform .2s;
  white-space:nowrap;
}
.cat-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.cat-pill .count{
  font-family:var(--ff-mono);font-size:10px;color:var(--ink-3);
  padding:1px 6px;border-radius:99px;background:rgba(13,13,12,.06);
}
.cat-pill.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.cat-pill.active .count{background:rgba(255,255,255,.16);color:rgba(255,255,255,.8)}

/* ----- Floating filter (mobile only) ----- */
.filter-fab{display:none}            /* desktop: hidden, inline pill bar is used */
.filter-fab-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 16px;border-radius:99px;
  background:var(--ink);color:var(--bg);
  font-family:var(--ff-display);font-weight:500;font-size:14px;letter-spacing:-.01em;
  box-shadow:0 12px 30px -10px rgba(13,13,12,.5),0 3px 10px -4px rgba(13,13,12,.3);
  border:1px solid rgba(255,255,255,.12);cursor:pointer;
}
.filter-fab-btn > svg:first-child{width:17px;height:17px;color:var(--accent)}
.filter-fab-label{max-width:9ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filter-fab-caret{width:11px;height:11px;opacity:.7;transition:transform .25s var(--ease-out)}
.filter-fab.is-open .filter-fab-caret{transform:rotate(180deg)}

.filter-fab-menu{
  position:absolute;top:calc(100% + 10px);right:0;
  min-width:230px;padding:8px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 26px 56px -18px rgba(13,13,12,.35);
  flex-direction:column;gap:2px;
  transform-origin:top right;
  display:none;                 /* closed — visibility uses display, never a transition */
}
.filter-fab.is-open .filter-fab-menu{
  display:flex;                 /* open: always opacity 1, can't get stuck invisible */
  animation:fabMenuIn .2s var(--ease-out);   /* transform-only entrance (safe if it can't run) */
}
@keyframes fabMenuIn{
  from{transform:translateY(-8px) scale(.98)}
  to{transform:none}
}
.fab-opt{
  display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;
  padding:12px 14px;border-radius:var(--radius-sm);cursor:pointer;
  font-family:var(--ff-display);font-weight:500;font-size:15px;letter-spacing:-.01em;
  color:var(--ink-2);text-align:left;
  transition:background .18s var(--ease-out), color .18s;
}
.fab-opt:hover{background:var(--bg-2);color:var(--ink)}
.fab-opt.active{background:var(--ink);color:var(--bg)}
.fab-opt .count{
  font-family:var(--ff-mono);font-size:10px;color:var(--ink-3);
  padding:2px 7px;border-radius:99px;background:rgba(13,13,12,.06);
}
.fab-opt.active .count{background:rgba(255,255,255,.16);color:rgba(255,255,255,.8)}


/* ============== 3. FEATURED POST (large 2-col) ============== */
.blog-featured{padding-top:clamp(48px,6vw,72px);padding-bottom:0;border-bottom:none}
.feat-post{
  display:grid;grid-template-columns:1.15fr 1fr;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;background:var(--bg);
  transition:transform .4s var(--ease-out), border-color .25s, background .25s;
}
.feat-post:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--bg-2)}
.feat-img{position:relative;overflow:hidden;background:var(--bg-2);min-height:340px}
.feat-img img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease-out);
}
.feat-post:hover .feat-img img{transform:scale(1.04)}
.feat-flag{
  position:absolute;top:18px;left:18px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent);color:var(--accent-ink);
  font-family:var(--ff-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  padding:7px 12px;border-radius:99px;
}
.feat-flag::before{content:'';width:6px;height:6px;border-radius:99px;background:var(--accent-ink)}
.feat-body{
  padding:clamp(28px,3.4vw,52px);
  display:flex;flex-direction:column;justify-content:center;gap:18px;
}
.feat-body .res-meta{font-size:11px}
.feat-body h2{
  font-family:var(--ff-display);font-weight:500;letter-spacing:-.03em;line-height:1.08;
  font-size:clamp(26px,3vw,40px);color:var(--ink);
}
.feat-body p{color:var(--ink-2);font-size:16px;line-height:1.6;max-width:52ch}
.feat-body .btn{margin-top:8px;align-self:flex-start}


/* ============== 4. PAGINATION ============== */
.pager{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:clamp(48px,6vw,72px);
}
.pager a, .pager span, .pager button{
  min-width:44px;height:44px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--line-2);border-radius:var(--radius-sm);
  background:transparent;cursor:pointer;
  font-family:var(--ff-display);font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background .2s var(--ease-out), color .2s, border-color .2s, transform .2s;
}
.pager a:hover,
.pager button:not(:disabled):not(.is-current):hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.pager .is-current{background:var(--ink);color:var(--bg);border-color:var(--ink);cursor:default}
.pager .gap{border:none;color:var(--ink-3);cursor:default}
.pager .pager-edge svg{width:15px;height:15px}
.pager .is-disabled,
.pager button:disabled{opacity:.35;pointer-events:none}
.pager [hidden]{display:none}


/* ============== 5. NEWSLETTER BAND ============== */
.news-band{border-bottom:1px solid var(--line)}
.news-card{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--bg);
  border-radius:var(--radius-lg);
  padding:clamp(36px,5vw,72px);
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
}
.news-card::after{
  content:'';position:absolute;right:-10%;top:-40%;
  width:46%;height:160%;
  background:radial-gradient(circle, var(--accent-glow) 0%, transparent 62%);
  filter:blur(90px);opacity:.5;pointer-events:none;
}
.news-card .news-copy{position:relative;z-index:2}
.news-card .eye{color:rgba(255,255,255,.78) !important;background:rgba(255,255,255,.09) !important}
.news-card .eye::before{background:var(--accent) !important}
.news-card h2{
  font-family:var(--ff-display);font-weight:400;letter-spacing:-.03em;line-height:1.04;
  font-size:clamp(28px,3.4vw,46px);margin-top:18px;
}
.news-card h2 em{font-style:italic;font-weight:300;color:rgba(255,255,255,.65)}
.news-card p{color:rgba(255,255,255,.7);margin-top:16px;max-width:42ch;font-size:15px;line-height:1.6}
.news-form{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
.news-form .row{display:flex;gap:10px}
.news-form input[type="email"]{
  flex:1;min-width:0;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);
  padding:15px 18px;color:#fff;font-family:var(--ff-sans);font-size:15px;
  transition:border-color .2s, background .2s;
}
.news-form input[type="email"]::placeholder{color:rgba(255,255,255,.45)}
.news-form input[type="email"]:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.news-form .btn-accent{flex:none}
.news-form .fine{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.04em;
  color:rgba(255,255,255,.5);line-height:1.5;
}
.news-form .fine a{color:rgba(255,255,255,.7);text-decoration:underline;text-underline-offset:2px}


/* ============== 6. SINGLE POST — HERO HEAD ============== */
.post-hero{text-align:center}
.post-hero .wrap{max-width:1000px}
.post-crumbs{
  display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;
  font-family:var(--ff-mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:30px;
}
.post-crumbs a{color:var(--ink-3);transition:color .2s}
.post-crumbs a:hover{color:var(--ink)}
.post-crumbs .sep{opacity:.5}
.post-crumbs .here{color:var(--ink)}
.post-cat-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent);color:var(--accent-ink);
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  padding:7px 13px;border-radius:99px;margin:0 auto;
}
.post-hero h1{
  font-family:var(--ff-display);font-weight:400;letter-spacing:-.035em;line-height:1.04;
  font-size:clamp(34px,4.6vw,60px) !important;
  color:var(--ink) !important;
  max-width:30ch;margin:22px auto 0 !important;
}
.post-meta{
  display:flex;justify-content:center;align-items:center;gap:0;flex-wrap:wrap;
  margin-top:30px;
}
.post-meta .pm{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--ff-mono);font-size:12px;letter-spacing:.03em;color:var(--ink-2);
  padding:0 18px;
}
.post-meta .pm + .pm{border-left:1px solid var(--line-2)}
.post-meta .pm svg{width:15px;height:15px;color:var(--ink-3)}
.post-meta .pm .av{
  width:26px;height:26px;border-radius:99px;overflow:hidden;background:var(--bg-3);
}
.post-meta .pm .av img{width:100%;height:100%;object-fit:cover}

/* Featured cover image */
.post-cover{
  max-width:1080px;margin:0 auto;padding:0 var(--pad);
  margin-top:clamp(36px,5vw,56px);position:relative;z-index:3;
}
.post-cover figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/8;background:var(--bg-2);
}
.post-cover img{width:100%;height:100%;object-fit:cover}


/* ============== 7. SINGLE POST — LAYOUT + PROSE ============== */
.post-section{padding-top:clamp(48px,6vw,80px)}
.post-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 264px;
  gap:clamp(40px,5vw,72px);
  max-width:1080px;margin:0 auto;align-items:start;
  padding-left:var(--pad);padding-right:var(--pad);   /* side margins on every viewport (was edge-to-edge on mobile) */
}

.post-body{font-size:17.5px;line-height:1.78;color:var(--ink-2);max-width:68ch}
.post-body > *:first-child{margin-top:0}
.post-body .lead{
  font-size:21px;line-height:1.6;color:var(--ink);font-weight:400;
  letter-spacing:-.01em;margin-bottom:1.4em;
}
.post-body p{margin:0 0 1.35em}
.post-body h2{
  font-family:var(--ff-display);font-weight:500;letter-spacing:-.025em;line-height:1.15;
  font-size:clamp(25px,2.7vw,34px);color:var(--ink);
  margin:1.9em 0 .6em;scroll-margin-top:90px;
}
.post-body h3{
  font-family:var(--ff-display);font-weight:500;letter-spacing:-.02em;line-height:1.25;
  font-size:clamp(20px,2vw,24px);color:var(--ink);
  margin:1.6em 0 .5em;scroll-margin-top:90px;
}
.post-body a{
  color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);
  text-underline-offset:3px;text-decoration-thickness:2px;
  transition:color .2s,text-decoration-color .2s;
}
.post-body a:hover{color:var(--ink-3)}
.post-body strong{color:var(--ink);font-weight:600}
.post-body ul,.post-body ol{margin:0 0 1.45em;padding-left:0;list-style:none}
.post-body ul li,.post-body ol li{position:relative;padding-left:30px;margin-bottom:.6em}
.post-body ul li::before{
  content:'';position:absolute;left:4px;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
  transform:rotate(45deg);
}
.post-body ol{counter-reset:li}
.post-body ol li{counter-increment:li}
.post-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.05em;
  width:22px;height:22px;border-radius:99px;background:var(--ink);color:var(--bg);
  font-family:var(--ff-mono);font-size:11px;display:grid;place-items:center;
}
.post-body blockquote{
  margin:1.6em 0;padding:6px 0 6px 28px;
  border-left:3px solid var(--accent);
  font-family:var(--ff-display);font-style:normal;font-weight:400;
  font-size:clamp(20px,2.2vw,26px);line-height:1.4;letter-spacing:-.02em;color:var(--ink);
}
.post-body figure{margin:1.8em 0}
.post-body figure img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.post-body figure figcaption{
  font-family:var(--ff-mono);font-size:11px;color:var(--ink-3);
  text-align:center;margin-top:12px;letter-spacing:.03em;
}
.post-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

/* Highlight callout box inside prose */
.post-body .callout{
  margin:1.7em 0;padding:24px 26px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  border-left:3px solid var(--accent);
}
.post-body .callout p:last-child{margin-bottom:0}
.post-body .callout .callout-label{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:8px;
}


/* ============== 8. SINGLE POST — STICKY ASIDE ============== */
.post-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:28px}

.post-toc{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px;background:var(--bg);
}
.post-toc .toc-label{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:14px;
}
.post-toc ul{list-style:none}
.post-toc li{margin:0}
.post-toc a{
  display:block;padding:7px 0;
  font-size:13.5px;line-height:1.4;color:var(--ink-2);
  border-left:2px solid transparent;padding-left:12px;margin-left:-2px;
  transition:color .2s,border-color .2s;
}
.post-toc a:hover,.post-toc a.active{color:var(--ink);border-color:var(--accent)}

.post-share{display:flex;flex-direction:column;gap:12px}
.post-share .share-label{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);
}
.post-share .share-row{display:flex;gap:8px}
.post-share a, .post-share button{
  width:40px;height:40px;border-radius:99px;
  border:1px solid var(--line-2);display:grid;place-items:center;color:var(--ink);
  transition:background .2s var(--ease-out),color .2s,border-color .2s,transform .2s;
}
.post-share a:hover, .post-share button:hover{
  background:var(--ink);color:var(--bg);border-color:var(--ink);transform:translateY(-2px);
}
.post-share svg{width:16px;height:16px}

/* Author box */
.author-box{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:var(--bg);
  display:flex;flex-direction:column;gap:12px;
}
.author-box .ab-top{display:flex;align-items:center;gap:13px}
.author-box .ab-av{
  width:48px;height:48px;border-radius:99px;overflow:hidden;flex:none;
  background:var(--bg-3);
}
.author-box .ab-av img{width:100%;height:100%;object-fit:cover}
.author-box .ab-name{font-family:var(--ff-display);font-weight:600;font-size:16px;letter-spacing:-.01em}
.author-box .ab-role{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.04em;color:var(--ink-3);text-transform:uppercase;margin-top:2px}
.author-box .ab-bio{font-size:13.5px;line-height:1.55;color:var(--ink-2)}

/* Inline share row under article (mobile-friendly) */
.post-foot{
  max-width:68ch;margin:clamp(40px,5vw,60px) 0 0;
  padding-top:28px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.post-foot .tags{display:flex;gap:8px;flex-wrap:wrap}
.post-foot .tag{
  font-family:var(--ff-mono);font-size:11px;letter-spacing:.03em;color:var(--ink-2);
  padding:6px 12px;border-radius:99px;border:1px solid var(--line-2);
}
.post-foot .tag:hover{border-color:var(--ink);color:var(--ink)}


/* ============== 9. RELATED POSTS ============== */
.post-related .sec-head{margin-bottom:40px}


/* ============== 10. RESPONSIVE ============== */
/* Mobile: replace the inline pill bar with a compact floating filter
   (fixed top-right) so the categories don't eat 3 rows of vertical space. */
@media (max-width:640px){
  .blog-filter{display:none}
  .filter-fab{
    display:block;
    position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:40;
  }
}

@media (max-width:980px){
  .post-layout{grid-template-columns:1fr;gap:0}
  .post-aside{
    position:static;flex-direction:row;flex-wrap:wrap;gap:20px;
    margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
  }
  .post-toc{display:none}            /* TOC hidden on stacked layout */
  .post-share{flex:1 1 auto}
  .post-share .share-row{flex-wrap:wrap}
  .author-box{flex:1 1 320px}
  .feat-post{grid-template-columns:1fr}
  .feat-img{min-height:240px;aspect-ratio:16/9}
  .news-card{grid-template-columns:1fr;gap:28px}
}

@media (max-width:560px){
  .blog-hero .blog-stats{gap:8px 18px}
  .post-meta{flex-direction:column;gap:12px}
  .post-meta .pm{border-left:none !important;padding:0}
  .post-cover figure{aspect-ratio:3/2}
  .post-body{font-size:16.5px}
  .post-body .lead{font-size:19px}
  .news-form .row{flex-direction:column}
  .news-form .btn-accent{justify-content:center}
  .pager a, .pager span{min-width:40px;height:40px}
  .pager .pager-num.hide-sm{display:none}
}


/* ============== 11. CLIENT-SIDE FILTER (smooth, no reload) ============== */
/* cat-pill is now a <button> — keep it pixel-identical to the old <a> pills */
.cat-pill{cursor:pointer;font:inherit}

/* Grid cross-fades between filter states instead of reloading the page */
.res-grid{
  transition:opacity .26s var(--ease-out), transform .26s var(--ease-out);
  will-change:opacity, transform;
}
.res-grid.is-switching{opacity:0;transform:translateY(10px)}
/* author display:flex on .res-card beats the [hidden] UA rule — force it */
.res-card[hidden]{display:none !important}

/* CSS-only card entrance for the blog grid.
   CRITICAL: cards are ALWAYS opacity:1 / visible — the entrance animates
   TRANSFORM ONLY. Content can therefore never be hidden by a trigger that
   doesn't fire (the old GSAP scroll-reveal bug) or by an animation that the
   browser pauses (e.g. backgrounded tab). Worst case the cards render in
   their final position with no motion — but always visible. */
@keyframes blogCardIn{
  from{transform:translateY(16px)}
  to{transform:translateY(0)}
}
.blog-grid > .res-card{animation:blogCardIn .55s var(--ease-out) backwards}
.blog-grid > .res-card:nth-child(1){animation-delay:.04s}
.blog-grid > .res-card:nth-child(2){animation-delay:.09s}
.blog-grid > .res-card:nth-child(3){animation-delay:.14s}
.blog-grid > .res-card:nth-child(4){animation-delay:.19s}
.blog-grid > .res-card:nth-child(5){animation-delay:.24s}
.blog-grid > .res-card:nth-child(6){animation-delay:.29s}
.blog-grid > .res-card:nth-child(7){animation-delay:.34s}
.blog-grid > .res-card:nth-child(8){animation-delay:.39s}
.blog-grid > .res-card:nth-child(9){animation-delay:.44s}
@media (prefers-reduced-motion: reduce){
  .blog-grid > .res-card{animation:none}
}

/* Featured post smoothly collapses for any non-"Alle" filter */
.blog-featured{
  max-height:1600px;overflow:hidden;
  transition:opacity .3s var(--ease-out), max-height .45s var(--ease-out),
             margin .3s var(--ease-out), padding .3s var(--ease-out);
}
.blog-featured.is-collapsed{
  opacity:0;max-height:0 !important;
  margin-top:0 !important;margin-bottom:0 !important;
  padding-top:0 !important;padding-bottom:0 !important;
  pointer-events:none;
}

/* Empty state */
.filter-empty{
  display:none;text-align:center;
  padding:clamp(48px,7vw,80px) 0;
  font-family:var(--ff-display);font-size:18px;color:var(--ink-3);
}
.filter-empty.show{display:block}
.filter-empty-reset{
  font:inherit;color:var(--ink);text-decoration:underline;
  text-decoration-color:var(--accent);text-underline-offset:3px;text-decoration-thickness:2px;
  cursor:pointer;
}
.filter-empty-reset:hover{color:var(--ink-3)}