/* ============================================================
   Doctrios — condition/article pages (Medical Library)
   Loads AFTER doctrios.css and reuses its tokens.
   Mobile-first: base styles are phone; media queries scale up.
   ============================================================ */

/* ---------- reading shell ---------- */
.article-wrap{max-width:820px;margin:0 auto;padding:0 20px}
.article-head{padding:34px 0 18px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12.5px;color:var(--muted-2);margin-bottom:16px}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--cyan)}
.crumbs span.sep{opacity:.5}

.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.a-tag{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;border:1px solid rgba(34,211,238,.32);
  background:rgba(34,211,238,.08);color:var(--cyan)}
.a-tag.sys{border-color:rgba(167,139,250,.32);background:rgba(167,139,250,.08);color:var(--violet)}

.article-head h1{font-size:31px;line-height:1.16;letter-spacing:-.02em;font-weight:800;margin-bottom:14px}
.article-lede{font-size:17px;line-height:1.65;color:var(--muted);margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
  font-size:13px;color:var(--muted-2);padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.article-meta .m-i{display:flex;align-items:center;gap:6px}
.article-meta svg{width:14px;height:14px;stroke:var(--cyan);fill:none;stroke-width:2;flex-shrink:0}

@media(min-width:760px){
  .article-head h1{font-size:44px}
  .article-lede{font-size:18.5px}
  .article-head{padding:46px 0 20px}
}

/* ---------- table of contents ---------- */
.toc{background:var(--glass);border:1px solid var(--line);border-radius:18px;
  padding:20px 22px;margin:26px 0 34px;backdrop-filter:blur(10px)}
.toc h2{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
  margin-bottom:14px;font-weight:700}
.toc ol{list-style:none;counter-reset:toc;display:grid;gap:2px}
.toc li{counter-increment:toc}
.toc a{display:flex;gap:11px;align-items:baseline;padding:8px 10px;border-radius:10px;
  font-size:14.5px;color:var(--muted);transition:background .18s,color .18s}
.toc a::before{content:counter(toc,decimal-leading-zero);font-size:11px;font-weight:700;
  color:var(--cyan);opacity:.7;flex-shrink:0;font-variant-numeric:tabular-nums}
.toc a:hover{background:rgba(34,211,238,.08);color:var(--ink)}
@media(min-width:760px){.toc ol{grid-template-columns:1fr 1fr;gap:2px 18px}}

/* ---------- prose ---------- */
.prose{font-size:16.5px;line-height:1.78;color:#d7e6f2}
.prose > section{padding-top:14px;margin-bottom:38px;scroll-margin-top:84px}
.prose h2{font-size:25px;line-height:1.24;font-weight:800;letter-spacing:-.015em;
  color:var(--ink);margin:8px 0 8px;display:flex;gap:12px;align-items:baseline}
.prose h2 .h-n{font-size:12.5px;font-weight:700;color:var(--cyan);opacity:.75;
  font-variant-numeric:tabular-nums;flex-shrink:0;padding-top:5px}
.prose h3{font-size:18.5px;font-weight:700;color:var(--ink);margin:26px 0 9px}
.prose h4{font-size:15.5px;font-weight:700;color:var(--cyan);margin:20px 0 7px;
  letter-spacing:.01em}
.prose p{margin-bottom:15px}
.prose > section > p:first-of-type{margin-top:4px}
.prose strong{color:var(--ink);font-weight:700}
.prose em{color:#c8dced}
.prose ul,.prose ol{margin:0 0 16px 2px;padding-left:20px}
.prose li{margin-bottom:8px;padding-left:3px}
.prose ul li::marker{color:var(--cyan)}
.prose ol li::marker{color:var(--cyan);font-weight:700;font-size:14px}
.prose a.xref{color:var(--cyan);border-bottom:1px solid rgba(34,211,238,.35);
  font-weight:500;transition:border-color .2s}
.prose a.xref:hover{border-bottom-color:var(--cyan)}
.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}
@media(min-width:760px){
  .prose{font-size:17px}
  .prose h2{font-size:31px}
  .prose h3{font-size:20px}
}
/* ---------- glossary term + definition popover ---------- */
.med-term{color:var(--cyan);border-bottom:1px dashed rgba(34,211,238,.45);
  cursor:help;font-weight:500;transition:background .18s,border-color .18s;
  border-radius:3px;padding:0 1px}
.med-term:hover,.med-term[aria-expanded="true"]{background:rgba(34,211,238,.13);
  border-bottom-color:var(--cyan);outline:none}
.med-term:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.med-term.auto{border-bottom-style:dotted;border-bottom-color:rgba(34,211,238,.3)}

.med-pop{position:absolute;z-index:900;width:min(320px,calc(100vw - 24px));
  background:rgba(7,14,24,.98);border:1px solid rgba(34,211,238,.34);border-radius:15px;
  padding:15px 17px 14px;box-shadow:0 18px 50px rgba(0,0,0,.72),0 0 0 1px rgba(34,211,238,.06);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(6px) scale(.97);
  transition:opacity .17s ease,transform .17s ease,visibility .17s;pointer-events:none}
.med-pop.show{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}
.med-pop::after{content:"";position:absolute;bottom:-6px;left:50%;margin-left:-6px;
  width:12px;height:12px;background:rgba(7,14,24,.98);
  border-right:1px solid rgba(34,211,238,.34);border-bottom:1px solid rgba(34,211,238,.34);
  transform:rotate(45deg)}
.med-pop.below::after{bottom:auto;top:-6px;
  border-right:0;border-bottom:0;
  border-left:1px solid rgba(34,211,238,.34);border-top:1px solid rgba(34,211,238,.34)}
.med-pop-t{font-size:14.5px;font-weight:800;color:var(--cyan);margin-bottom:6px;
  padding-right:22px;letter-spacing:.01em}
.med-pop-d{font-size:13.5px;line-height:1.6;color:#d5e5f0;font-weight:400}
.med-pop-x{position:absolute;top:8px;right:9px;width:26px;height:26px;border-radius:8px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);
  font-size:17px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.med-pop-x:hover{background:rgba(255,255,255,.12);color:var(--ink)}
.med-pop-link{display:inline-flex;align-items:center;gap:6px;margin-top:11px;
  font-size:12.5px;font-weight:700;color:var(--cyan);
  padding-top:10px;border-top:1px solid var(--line);width:100%}
.med-pop-link svg{width:13px;height:13px}
.med-pop-link:hover{color:#5ee9ff}

/* ---------- clinical highlight boxes ---------- */
.hl{background:linear-gradient(135deg,rgba(34,211,238,.09),rgba(34,211,238,.03));
  border:1px solid rgba(34,211,238,.26);border-left:3px solid var(--cyan);
  border-radius:0 15px 15px 0;padding:17px 19px;margin:22px 0}
.hl-t{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;
  letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);margin-bottom:9px}
.hl-t svg{width:15px;height:15px;stroke:var(--cyan);fill:none;stroke-width:2.2;flex-shrink:0}
.hl p:last-child{margin-bottom:0}
.hl.warn{background:linear-gradient(135deg,rgba(248,113,113,.09),rgba(248,113,113,.03));
  border-color:rgba(248,113,113,.28);border-left-color:#f87171}
.hl.warn .hl-t{color:#fca5a5}
.hl.warn .hl-t svg{stroke:#fca5a5}
.hl.pearl{background:linear-gradient(135deg,rgba(167,139,250,.09),rgba(167,139,250,.03));
  border-color:rgba(167,139,250,.28);border-left-color:var(--violet)}
.hl.pearl .hl-t{color:#c4b5fd}
.hl.pearl .hl-t svg{stroke:#c4b5fd}
.hl.quote{background:var(--glass);border-color:var(--line);border-left-color:var(--muted-2)}
.hl.quote .hl-t{color:var(--muted)}
.hl.quote p{font-style:italic;color:#e2eef7}
.hl cite{display:block;margin-top:9px;font-style:normal;font-size:12.5px;color:var(--muted-2)}

/* ---------- figures ---------- */
figure.fig{margin:24px 0;background:var(--glass-2);border:1px solid var(--line);
  border-radius:16px;overflow:hidden}
figure.fig img{width:100%;height:auto;display:block;background:#05090f}
figure.fig.xray img{background:#000}
figure.fig figcaption{padding:13px 16px;font-size:13.5px;line-height:1.6;color:var(--muted)}
figure.fig figcaption b{color:var(--cyan);font-weight:700}
figure.fig .credit{display:block;margin-top:7px;font-size:11.5px;color:var(--muted-2);opacity:.9}
figure.fig .credit a{color:var(--muted-2);border-bottom:1px solid rgba(255,255,255,.15)}
.fig-row{display:grid;gap:16px;margin:24px 0}
.fig-row figure.fig{margin:0}
@media(min-width:680px){.fig-row.two{grid-template-columns:1fr 1fr}}
/* ---------- tables (mobile: horizontal scroll, never squash) ---------- */
.t-wrap{margin:22px 0;border:1px solid var(--line);border-radius:15px;overflow:hidden;
  background:var(--glass-2)}
.t-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.t-cap{padding:12px 16px;font-size:12px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--cyan);border-bottom:1px solid var(--line);
  background:rgba(34,211,238,.05)}
table.md{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
table.md thead th{text-align:left;padding:11px 14px;font-size:11.5px;font-weight:800;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);white-space:nowrap}
table.md td{padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.055);
  vertical-align:top;line-height:1.58;color:#d3e3f0}
table.md tbody tr:last-child td{border-bottom:0}
table.md tbody tr:hover td{background:rgba(255,255,255,.022)}
table.md td:first-child{font-weight:600;color:var(--ink)}
table.md td b,table.md td strong{color:var(--cyan);font-weight:700}
.t-note{padding:10px 16px;font-size:12.5px;color:var(--muted-2);
  border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.t-scroll-hint{display:block;padding:7px 16px;font-size:11.5px;color:var(--muted-2);
  border-top:1px solid var(--line)}
@media(min-width:760px){.t-scroll-hint{display:none}}

/* severity / grade pills inside tables */
.pill-g{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;
  font-weight:700;letter-spacing:.03em;white-space:nowrap}
.pill-g.g1{background:rgba(52,211,153,.14);color:#6ee7b7;border:1px solid rgba(52,211,153,.3)}
.pill-g.g2{background:rgba(251,191,36,.14);color:#fcd34d;border:1px solid rgba(251,191,36,.3)}
.pill-g.g3{background:rgba(251,146,60,.14);color:#fdba74;border:1px solid rgba(251,146,60,.3)}
.pill-g.g4{background:rgba(248,113,113,.14);color:#fca5a5;border:1px solid rgba(248,113,113,.3)}

/* ---------- step / mechanism cascade ---------- */
.cascade{display:grid;gap:12px;margin:22px 0;counter-reset:casc}
.casc{counter-increment:casc;position:relative;background:var(--glass);
  border:1px solid var(--line);border-radius:15px;padding:16px 18px 16px 54px}
.casc::before{content:counter(casc);position:absolute;left:15px;top:15px;
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--cyan-2));color:#021016;
  font-size:13px;font-weight:800;box-shadow:0 4px 14px rgba(34,211,238,.3)}
.casc h4{margin:0 0 5px;color:var(--ink);font-size:15.5px;font-weight:700;letter-spacing:0}
.casc p{margin:0;font-size:14.5px;line-height:1.66;color:var(--muted)}
.casc p+p{margin-top:7px}

/* key-value definition rows */
.kv{display:grid;gap:0;margin:20px 0;border:1px solid var(--line);
  border-radius:15px;overflow:hidden;background:var(--glass-2)}
.kv-r{display:grid;grid-template-columns:1fr;gap:2px;padding:13px 16px;
  border-bottom:1px solid rgba(255,255,255,.055)}
.kv-r:last-child{border-bottom:0}
.kv-k{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.kv-v{font-size:14.5px;line-height:1.62;color:#d3e3f0}
@media(min-width:620px){
  .kv-r{grid-template-columns:190px 1fr;gap:16px;align-items:baseline}
  .kv-k{padding-top:2px}
}
/* ---------- in-article case CTA ("try this in Doctrios") ---------- */
.try-case{margin:30px 0;background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(167,139,250,.07));
  border:1px solid rgba(34,211,238,.3);border-radius:19px;padding:22px;position:relative;overflow:hidden}
.try-case::before{content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
  border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.2),transparent 70%);
  pointer-events:none}
.try-k{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:11px}
.try-k svg{width:14px;height:14px;stroke:var(--cyan);fill:none;stroke-width:2.3}
.try-case h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:9px;letter-spacing:-.01em}
.try-case p{font-size:14.8px;line-height:1.66;color:var(--muted);margin-bottom:16px;position:relative}
.try-case .btn{font-size:14.5px;padding:12px 20px}
.try-vitals{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}
.try-v{background:rgba(3,7,13,.5);border:1px solid var(--line);border-radius:10px;
  padding:7px 11px;font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:baseline}
.try-v b{color:#f87171;font-size:13.5px;font-weight:800;font-variant-numeric:tabular-nums}
.try-v b.ok{color:#6ee7b7}

/* ---------- related conditions ---------- */
.related{margin:34px 0 10px}
.related h2{font-size:13px!important;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:15px!important;display:block!important}
.rel-grid{display:grid;gap:11px}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-c{display:flex;gap:12px;align-items:flex-start;background:var(--glass);
  border:1px solid var(--line);border-radius:14px;padding:14px 15px;transition:border-color .2s,transform .2s,background .2s}
.rel-c:hover{border-color:rgba(34,211,238,.36);transform:translateY(-3px);background:rgba(255,255,255,.06)}
.rel-c .r-ico{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24)}
.rel-c .r-ico svg{width:17px;height:17px;stroke:var(--cyan);fill:none;stroke-width:2}
.rel-c h4{font-size:14.5px;font-weight:700;color:var(--ink);margin:0 0 3px}
.rel-c p{font-size:12.8px;line-height:1.5;color:var(--muted-2);margin:0}
.rel-c.soon{opacity:.55;pointer-events:none}
.rel-c.soon .r-ico{background:rgba(255,255,255,.04);border-color:var(--line)}
.rel-c.soon .r-ico svg{stroke:var(--muted-2)}

/* ---------- references ---------- */
.refs{margin:34px 0 0;padding:20px 22px;background:var(--glass-2);
  border:1px solid var(--line);border-radius:16px}
.refs h2{font-size:12px!important;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted)!important;margin-bottom:13px!important;display:block!important;font-weight:700}
.refs ol{margin:0;padding-left:19px}
.refs li{font-size:13px;line-height:1.62;color:var(--muted-2);margin-bottom:8px}
.refs li:last-child{margin-bottom:0}
.refs a{color:var(--muted);border-bottom:1px solid rgba(255,255,255,.16)}
.refs a:hover{color:var(--cyan)}

/* ---------- medical disclaimer strip ---------- */
.med-disc{margin:26px 0 0;padding:15px 18px;border-radius:14px;
  background:rgba(248,113,113,.06);border:1px solid rgba(248,113,113,.22)}
.med-disc p{font-size:12.8px;line-height:1.62;color:#e8b4b4;margin:0}
.med-disc b{color:#fca5a5}

/* ---------- reading progress bar ---------- */
.read-bar{position:fixed;top:0;left:0;height:2.5px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:0 0 12px rgba(34,211,238,.6);transition:width .1s linear}

/* ---------- back-to-library footer nav ---------- */
.art-foot{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  align-items:center;margin:36px 0 10px;padding-top:22px;border-top:1px solid var(--line)}
.art-foot .btn{font-size:14px}

@media(prefers-reduced-motion:reduce){
  .med-pop,.rel-c,.read-bar{transition:none!important}
  .rel-c:hover{transform:none}
}
/* ============================================================
   Medical Library index (/conditions/) + landing-page Q&A + blog cards
   ============================================================ */

/* ---------- library hero + search ---------- */
.lib-head{padding:44px 0 22px;text-align:center}
.lib-head h1{font-size:32px;line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-bottom:13px}
.lib-head p{font-size:16px;color:var(--muted);max-width:620px;margin:0 auto 22px}
@media(min-width:760px){.lib-head h1{font-size:46px}.lib-head p{font-size:17.5px}}

.lib-search{position:relative;max-width:520px;margin:0 auto}
.lib-search input{width:100%;padding:15px 17px 15px 46px;border-radius:15px;
  background:var(--glass);border:1px solid var(--line);color:var(--ink);
  font-size:15.5px;font-family:inherit;outline:none;transition:border-color .2s,background .2s}
.lib-search input::placeholder{color:var(--muted-2)}
.lib-search input:focus{border-color:rgba(34,211,238,.45);background:rgba(255,255,255,.06)}
.lib-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--muted-2);fill:none;stroke-width:2;pointer-events:none}

/* ---------- specialty filter chips ---------- */
.lib-filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:22px 0 8px}
.f-chip{padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--glass);border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:all .18s;font-family:inherit}
.f-chip:hover{background:rgba(255,255,255,.08);color:var(--ink)}
.f-chip.on{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.42);color:var(--cyan)}

.lib-count{text-align:center;font-size:13px;color:var(--muted-2);margin:16px 0 6px}

/* ---------- A–Z letter groups ---------- */
.az-group{margin:30px 0}
.az-letter{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.az-letter span{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(34,211,238,.05));
  border:1px solid rgba(34,211,238,.3);color:var(--cyan);font-weight:800;font-size:16px;flex-shrink:0}
.az-letter i{flex:1;height:1px;background:var(--line);display:block}

/* ---------- condition cards ---------- */
.cond-grid{display:grid;gap:13px}
@media(min-width:640px){.cond-grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.cond-grid{grid-template-columns:repeat(3,1fr)}}
.cond-c{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:17px;padding:18px;transition:transform .22s,border-color .22s,background .22s;height:100%}
.cond-c:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.38);background:rgba(255,255,255,.062)}
.cond-c .c-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:11px}
.cond-c .c-sys{font-size:10.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;white-space:nowrap}
.c-sys.resp{background:rgba(34,211,238,.13);color:#67e8f9;border:1px solid rgba(34,211,238,.28)}
.c-sys.cardio{background:rgba(248,113,113,.13);color:#fca5a5;border:1px solid rgba(248,113,113,.28)}
.c-sys.endo{background:rgba(167,139,250,.13);color:#c4b5fd;border:1px solid rgba(167,139,250,.28)}
.c-sys.gi{background:rgba(52,211,153,.13);color:#6ee7b7;border:1px solid rgba(52,211,153,.28)}
.c-sys.neuro{background:rgba(251,191,36,.13);color:#fcd34d;border:1px solid rgba(251,191,36,.28)}
.c-sys.id{background:rgba(244,114,182,.13);color:#f9a8d4;border:1px solid rgba(244,114,182,.28)}
.c-sys.renal{background:rgba(96,165,250,.13);color:#93c5fd;border:1px solid rgba(96,165,250,.28)}
.cond-c h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.3}
.cond-c p{font-size:13.6px;line-height:1.58;color:var(--muted);margin-bottom:13px;flex:1}
.cond-c .c-foot{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted-2);
  padding-top:11px;border-top:1px solid var(--line);flex-wrap:wrap}
.cond-c .c-foot svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2}
.cond-c .c-go{margin-left:auto;color:var(--cyan);font-weight:700;display:flex;align-items:center;gap:4px}
.cond-c.soon{opacity:.5;pointer-events:none}
.cond-c.soon .c-go{color:var(--muted-2)}
.cond-c[hidden]{display:none}
.lib-empty{text-align:center;padding:40px 20px;color:var(--muted-2);font-size:15px}
/* ============================================================
   Landing page additions: Q&A accordion + library preview cards
   ============================================================ */

/* ---------- Q&A accordion ---------- */
.qa-list{display:grid;gap:11px;margin-top:26px;max-width:840px;margin-left:auto;margin-right:auto}
.qa-item{background:var(--glass);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color .22s,background .22s}
.qa-item:hover{border-color:rgba(34,211,238,.26)}
.qa-item.open{border-color:rgba(34,211,238,.4);background:rgba(255,255,255,.055)}
.qa-q{width:100%;display:flex;align-items:center;gap:14px;padding:17px 19px;
  background:none;border:0;color:var(--ink);font-size:15.5px;font-weight:650;
  font-family:inherit;text-align:left;cursor:pointer;line-height:1.45}
.qa-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}
.qa-q .qa-ico{margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.24);transition:transform .28s ease,background .22s}
.qa-q .qa-ico svg{width:14px;height:14px;stroke:var(--cyan);fill:none;stroke-width:2.6}
.qa-item.open .qa-ico{transform:rotate(45deg);background:rgba(34,211,238,.2)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.4,0,.2,1)}
.qa-a-in{padding:0 19px 18px;font-size:14.8px;line-height:1.72;color:var(--muted)}
.qa-a-in p{margin-bottom:11px}
.qa-a-in p:last-child{margin-bottom:0}
.qa-a-in a{color:var(--cyan);border-bottom:1px solid rgba(34,211,238,.35);font-weight:500}
.qa-a-in strong{color:var(--ink)}
.qa-a-in ul{margin:9px 0 11px;padding-left:19px}
.qa-a-in li{margin-bottom:6px}
.qa-a-in li::marker{color:var(--cyan)}
@media(min-width:760px){.qa-q{font-size:16.5px;padding:19px 22px}.qa-a-in{padding:0 22px 20px;font-size:15.3px}}
@media(prefers-reduced-motion:reduce){.qa-a{transition:none}.qa-q .qa-ico{transition:none}}

/* ---------- library preview on landing ---------- */
.lib-preview{display:grid;gap:14px;margin-top:28px}
@media(min-width:700px){.lib-preview{grid-template-columns:repeat(3,1fr)}}
.lp-card{display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);
  border-radius:18px;overflow:hidden;transition:transform .22s,border-color .22s;height:100%}
.lp-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.38)}
.lp-card .lp-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#000;flex-shrink:0}
.lp-card .lp-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.lp-card:hover .lp-img img{transform:scale(1.05)}
.lp-card .lp-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(3,7,13,.75))}
.lp-card .lp-sys{position:absolute;top:11px;left:11px;z-index:2;font-size:10.5px;font-weight:800;
  letter-spacing:.13em;text-transform:uppercase;padding:5px 11px;border-radius:999px;
  background:rgba(3,7,13,.8);border:1px solid rgba(34,211,238,.35);color:var(--cyan);
  backdrop-filter:blur(6px)}
.lp-body{padding:16px 17px 17px;display:flex;flex-direction:column;flex:1}
.lp-body h3{font-size:17px;font-weight:750;color:var(--ink);margin-bottom:7px;line-height:1.32}
.lp-body p{font-size:13.6px;line-height:1.6;color:var(--muted);margin-bottom:14px;flex:1}
.lp-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted-2);
  padding-top:12px;border-top:1px solid var(--line);flex-wrap:wrap}
.lp-meta svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2}
.lp-meta .lp-go{margin-left:auto;color:var(--cyan);font-weight:700}
.lp-card.soon{opacity:.52;pointer-events:none}
.lp-card.soon .lp-img{display:grid;place-items:center;background:var(--glass-2)}
.lp-card.soon .lp-img svg{width:34px;height:34px;stroke:var(--muted-2);fill:none;stroke-width:1.6}
.lp-card.soon .lp-img::after{display:none}

.lib-cta-row{display:flex;justify-content:center;margin-top:26px}

/* glossary teaser strip on landing */
.gloss-teaser{margin-top:22px;padding:17px 19px;border-radius:16px;background:var(--glass-2);
  border:1px solid var(--line);font-size:14.5px;line-height:1.7;color:var(--muted);text-align:center}
.gloss-teaser b{color:var(--ink)}
.gloss-teaser .med-term{font-weight:600}