/* ===== TRX King — blog catalog + article (matches styles.css tokens) ===== */

/* ---------- catalog: category dropdown (adaptive, all devices) ---------- */
.blog-filters{display:flex;justify-content:center;margin:22px auto 30px;position:relative;z-index:5}
.fdd{position:relative;width:min(360px,92vw)}
.fdd-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;font:inherit;font-weight:700;font-size:14.5px;
  cursor:pointer;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 18px;color:var(--ink);transition:.18s}
.fdd-btn:hover{border-color:var(--red-soft)}
.fdd-btn .fdd-chev{color:var(--muted);transition:.2s;font-size:12px}
.fdd.open .fdd-btn{border-color:var(--red);box-shadow:0 6px 18px rgba(225,16,43,.14)}
.fdd.open .fdd-chev{transform:rotate(180deg)}
.fdd-menu{position:absolute;top:calc(100% + 8px);left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg,0 18px 40px rgba(20,18,40,.16));padding:8px;max-height:min(60vh,360px);overflow:auto;display:none;z-index:30}
.fdd.open .fdd-menu{display:block}
.fdd-item{display:block;width:100%;text-align:left;font:inherit;font-size:14px;cursor:pointer;background:none;border:none;color:var(--txt);
  padding:11px 14px;border-radius:10px;transition:.12s}
.fdd-item:hover{background:var(--red-soft);color:var(--crimson)}
.fdd-item.active{background:linear-gradient(135deg,var(--red),var(--crimson));color:#fff;font-weight:700}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bcard{display:flex;flex-direction:column;overflow:hidden;text-decoration:none;color:inherit;transition:.25s;padding:0}
.bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg,0 18px 40px rgba(20,18,40,.14))}
.bcard-cover{aspect-ratio:16/9;background:linear-gradient(135deg,#2a1216,#4a0f1c);position:relative;overflow:hidden}
.bcard-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.bcard:hover .bcard-cover img{transform:scale(1.04)}
.bcard-cover span{position:absolute;inset:0;display:grid;place-items:center;font-size:44px;opacity:.9}
.bcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.bcard-cat{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.3px;text-transform:uppercase;
  color:var(--crimson);background:var(--red-soft);padding:4px 10px;border-radius:6px;margin-bottom:10px}
.bcard h3{font-size:17px;line-height:1.35;margin:0 0 8px}
.bcard p{color:var(--muted);font-size:13.5px;line-height:1.55;margin:0 0 14px;flex:1}
.bcard-meta{display:flex;gap:12px;color:var(--muted);font-size:12px;font-weight:600;border-top:1px solid var(--line);padding-top:12px}
.blog-empty{grid-column:1/-1;text-align:center;padding:44px 20px;color:var(--muted)}

/* ---------- article layout ---------- */
/* full-width article shell (no narrow .section cap) */
.art-section{padding:36px 40px 64px}
.article-wrap{max-width:1400px;margin:0 auto;padding:0}
/* breadcrumbs */
.crumbs{margin:0 0 18px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.crumbs a{color:var(--crimson);text-decoration:none;font-weight:600}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{color:var(--line);opacity:.9}
.crumbs .cur{color:var(--muted)}
/* Shifton-style header: full container width; text left, large rounded image right */
.article-head{display:grid;grid-template-columns:minmax(0,1fr) 600px;grid-template-areas:"top media" "meta media";
  column-gap:60px;row-gap:16px;align-items:start;margin:0 0 10px}
.ah-top{grid-area:top;min-width:0}
.ah-meta{grid-area:meta;min-width:0}
.ah-media{grid-area:media;align-self:center;margin:0}
.ah-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:22px;border:1px solid var(--line);display:block;box-shadow:var(--shadow,0 16px 40px rgba(20,18,40,.14))}
.article-cat{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;
  color:var(--crimson);background:var(--red-soft);padding:5px 12px;border-radius:7px;margin-bottom:16px}
.article-head h1{font-size:clamp(28px,4.5vw,42px);line-height:1.15;margin:0 0 14px;letter-spacing:-.5px}
.article-lead{font-size:18px;line-height:1.6;color:var(--muted);margin:0 0 16px}
.article-info{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;font-weight:600;
  border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:6px}

.article-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:60px;align-items:start;margin-top:36px}

/* sticky sidebar: TOC + CTA — follows the reader on scroll */
.article-aside{position:sticky;top:88px;align-self:start;height:fit-content;display:flex;flex-direction:column;gap:18px}
.toc{padding:20px}
.toc-title{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{margin:0}
.toc a{display:block;padding:7px 10px;border-radius:9px;color:var(--muted);text-decoration:none;font-size:13.5px;line-height:1.4;
  border-left:2px solid transparent;transition:.15s}
.toc a:hover{background:var(--red-soft);color:var(--crimson)}
.toc a.active{color:var(--crimson);background:var(--red-soft);border-left-color:var(--red);font-weight:700}

/* CTA block under TOC */
.toc-cta{margin-top:4px;padding:22px;border-radius:var(--r,18px);color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(150deg,var(--red),var(--crimson))}
.toc-cta .tcta-h{margin:0 0 6px;font-size:15px;font-weight:700;color:#fff}
.toc-cta p{margin:0 0 14px;font-size:13px;line-height:1.5;color:rgba(255,255,255,.9)}
.toc-cta .btn{width:100%;justify-content:center;background:#fff;color:var(--crimson);font-weight:800;border:none}
.toc-cta .btn:hover{background:#fff;transform:translateY(-1px)}

/* mobile TOC dropdown (Shifton-style) */
.toc-mobile{display:none;margin:24px 0 6px}
.toc-mobile summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-radius:14px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:14.5px}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary .chev{transition:.2s;color:var(--muted)}
.toc-mobile[open] summary .chev{transform:rotate(180deg)}
.toc-mobile ol{list-style:none;margin:8px 0 0;padding:8px;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.toc-mobile a{display:block;padding:10px 12px;border-radius:9px;color:var(--txt);text-decoration:none;font-size:14px}
.toc-mobile a:hover{background:var(--red-soft);color:var(--crimson)}

/* ---------- article body ---------- */
.article-body{max-width:none;font-size:17px;line-height:1.75;color:var(--ink)}
.article-body h2{font-size:26px;line-height:1.25;margin:38px 0 14px;letter-spacing:-.3px;scroll-margin-top:96px}
.article-body h3{font-size:20px;margin:26px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin:0 0 8px}
.article-body a{color:var(--crimson);font-weight:600}
.article-body strong{color:var(--ink)}
.article-body .callout{background:var(--red-soft);border:1px solid #ffd4dc;border-radius:14px;padding:16px 18px;margin:0 0 22px;font-size:15px}

/* in-article CTA */
.inline-cta{margin:30px 0;padding:26px 24px;border-radius:var(--r,18px);text-align:center;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--red),var(--crimson))}
.inline-cta h3{margin:0 0 8px;font-size:22px;color:#fff}
.inline-cta p{margin:0 0 16px;color:rgba(255,255,255,.92);font-size:15px}
.inline-cta .btn{background:#0f0d16;color:#fff;border:none;font-weight:800;padding:13px 30px}
.inline-cta .btn:hover{transform:translateY(-2px);background:#000}

/* ---------- Summarize with AI ---------- */
/* compact "Summarize with AI" pill (Shifton-style single row) */
.ai-sum{display:inline-flex;align-items:center;flex-wrap:wrap;gap:9px;margin:16px 0 2px;padding:8px 15px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);max-width:100%}
.ai-label{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:13px;padding:2px 6px;white-space:nowrap}
.ai-spark{width:17px;height:17px;flex:none;display:block}
.ai-sep{width:1px;height:18px;background:var(--line);margin:0 1px}
.ai-btns{display:inline-flex;align-items:center;flex-wrap:wrap;gap:6px}
.ai-btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;
  text-decoration:none;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 11px;transition:.16s}
.ai-btn:hover{border-color:var(--red-soft);background:var(--red-soft);color:var(--crimson)}
.ai-btn svg{width:15px;height:15px;flex:none;display:block}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .art-section{padding:28px 22px 52px}
  /* stack: category+H1, then the photo (right after H1), then lead/meta/AI */
  .article-head{grid-template-columns:1fr;grid-template-areas:"top" "media" "meta";row-gap:18px}
  .ah-media{align-self:auto;width:100%;max-width:100%}
  .article-layout{grid-template-columns:1fr;gap:0}
  .article-aside{display:none}
  .toc-mobile{display:block}
}
@media(max-width:820px){
  .blog-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .art-section{padding:22px 16px 44px}
  .blog-grid{grid-template-columns:1fr}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  /* AI pill on phones: label row, then 2 chips per row, Google AI spans full width */
  .ai-sum{display:block;width:100%;border-radius:16px;padding:12px 14px}
  .ai-sep{display:none}
  .ai-label{display:flex;margin-bottom:10px}
  .ai-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .ai-btn{justify-content:center}
  .ai-btn:last-child{grid-column:1 / -1}
}