/* ============================================================
   AllexTrade — Sourcing Guides shared stylesheet
   Reuses V4.5 design tokens + th-header/th-footer family from
   trending-demo.html, plus article typography / TOC / CTA.
   Pages live in /guides/, so all asset paths resolve one level up.
   ============================================================ */

/* ================= Design tokens (same as trending) ================= */
:root{
  --orange:#b54210; --orange-d:#8a3009; --orange-l:#c54a18; --orange-hl:#d96b2f;
  --grad:linear-gradient(135deg,#c54a18,#8a3009);
  --bg-1:#fbe1d2; --bg-2:#f9d4bd; --bg-3:#fce8dc; --bg-4:#f8d8c4; --bg-5:#fbf3ed;
  --ink:#2a2a2a; --ink-2:#555555; --ink-3:#6f6f6f;
  --line:#f2ddc9;
  --sh-1:0 2px 10px rgba(0,0,0,.07);
  --sh-2:0 6px 22px rgba(0,0,0,.10);
  --sh-3:0 12px 34px rgba(0,0,0,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

/* ================= Header (same markup as trending) ================= */
.th-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.th-header-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.th-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.th-logo .mark-img{width:34px;height:34px;object-fit:contain;display:block}
.th-logo .sub{display:block;font-size:10.5px;font-weight:500;color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase;line-height:1.1}
.th-nav{display:flex;gap:26px;align-items:center}
.th-nav a{font-size:14.5px;font-weight:600;color:var(--ink-2)}
.th-nav a:hover{color:var(--orange)}
.th-nav a.active{color:var(--orange)}
.th-cta{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;padding:11px 22px;border-radius:10px;box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s}
.th-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}

/* ================= Guide hero (breadcrumb + H1 + meta) ================= */
.g-hero{background:linear-gradient(180deg,var(--bg-3) 0%,#fff 100%);border-bottom:1px solid var(--line);padding:40px 0 44px}
.g-crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;font-weight:600;color:var(--ink-3)}
.g-crumbs a{color:var(--ink-3)}
.g-crumbs a:hover{color:var(--orange)}
.g-crumbs .sep{color:var(--orange-hl)}
.g-crumbs .here{color:var(--orange)}
.g-hero h1{font-size:38px;line-height:1.18;font-weight:800;letter-spacing:-.015em;margin:16px 0 12px;max-width:26ch}
.g-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--orange-l),var(--orange-d));-webkit-background-clip:text;background-clip:text;color:transparent}
.g-hero .lede{font-size:16.5px;color:var(--ink-2);max-width:68ch}
.g-hero .meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;align-items:center}
.g-hero .meta{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-3);font-weight:500}
.g-hero .meta svg{width:16px;height:16px;stroke:var(--orange);flex:none}

/* ================= Article layout: content + sticky TOC ================= */
.g-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:48px;padding:52px 0 72px;align-items:start}
.g-toc{position:sticky;top:88px;background:var(--bg-5);border:1px solid var(--line);border-radius:14px;padding:20px 20px 16px}
.g-toc .toc-t{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:12px}
.g-toc ol{list-style:none;counter-reset:toc}
.g-toc li{counter-increment:toc;margin:2px 0}
.g-toc a{display:block;padding:6px 8px 6px 30px;border-radius:8px;font-size:13.5px;font-weight:600;color:var(--ink-2);line-height:1.45;position:relative}
.g-toc a::before{content:counter(toc);position:absolute;left:6px;top:8px;width:17px;height:17px;border-radius:5px;background:#fff;border:1px solid var(--line);color:var(--ink-3);font-size:10.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.g-toc a:hover{background:#fff;color:var(--orange)}
.g-toc .toc-note{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);line-height:1.55}

/* ================= Article typography ================= */
.g-article{max-width:760px}
.g-article>p:first-of-type{font-size:17px;color:var(--ink-2)}
.g-article h2{font-size:25px;font-weight:800;letter-spacing:-.01em;line-height:1.3;margin:40px 0 14px;padding-top:6px;scroll-margin-top:86px}
.g-article h2 em{font-style:normal;color:var(--orange)}
.g-article h3{font-size:18px;font-weight:700;margin:26px 0 8px;scroll-margin-top:86px}
.g-article p{margin:12px 0;color:var(--ink-2)}
.g-article strong{color:var(--ink);font-weight:700}
.g-article ul,.g-article ol{margin:12px 0 14px 4px;padding-left:22px;color:var(--ink-2)}
.g-article li{margin:7px 0}
.g-article li::marker{color:var(--orange);font-weight:700}
.g-article blockquote{margin:20px 0;padding:14px 20px;border-left:4px solid var(--orange-hl);background:var(--bg-5);border-radius:0 12px 12px 0;font-size:15.5px;color:var(--ink-2)}
.g-article blockquote p{margin:6px 0}
.g-article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--sh-1)}
.g-article th{background:var(--bg-3);text-align:left;padding:10px 14px;font-size:12.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--orange-d)}
.g-article td{padding:10px 14px;border-top:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.g-article tr:nth-child(even) td{background:var(--bg-5)}
.g-article .callout{margin:20px 0;padding:16px 20px;border:1.5px dashed var(--orange-hl);border-radius:14px;background:#fff;font-size:14.5px}
.g-article .callout b{color:var(--orange-d)}

/* ================= Inline CTA + end-of-article CTA card ================= */
.g-cta{margin:36px 0 8px;background:var(--grad);border-radius:16px;padding:30px 30px 28px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--sh-2)}
.g-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(480px 220px at 85% -40px,rgba(255,255,255,.18),transparent)}
.g-cta>*{position:relative}
.g-cta h3{font-size:21px;font-weight:800;letter-spacing:-.01em}
.g-cta p{margin:8px 0 16px;font-size:14.5px;color:rgba(255,255,255,.9);max-width:56ch}
.g-cta .btn{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--orange);font-weight:800;font-size:15px;padding:13px 26px;border-radius:11px;box-shadow:var(--sh-2);transition:transform .18s,box-shadow .18s;cursor:pointer;border:none;font-family:inherit}
.g-cta .btn:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--orange-d)}
.g-cta .fine{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.75)}

/* ================= Related guides ================= */
.g-related{background:var(--bg-5);border-top:1px solid var(--line);padding:64px 0 76px}
.g-related h2{font-size:26px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px}
.g-related .sub{color:var(--ink-3);font-size:15px;margin-bottom:26px}
.g-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g-rel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;gap:10px}
.g-rel:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.g-rel .tag{align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);background:var(--bg-3);border-radius:99px;padding:4px 12px}
.g-rel h3{font-size:16.5px;font-weight:700;line-height:1.4}
.g-rel p{font-size:13.5px;color:var(--ink-2);flex:1}
.g-rel .go{font-size:13.5px;font-weight:700;color:var(--orange)}

/* ================= Guides hub cards ================= */
.g-hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:44px 0 10px}
.g-hub-grid .g-rel .read{font-size:12.5px;color:var(--ink-3);font-weight:600}

/* ================= Footer (same as trending) ================= */
.th-footer{background:#231208;color:#cbb9ac;font-size:14px}
.th-footer .in{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:34px 0;flex-wrap:wrap}
.th-footer .fine{color:#8d7d70;font-size:12.5px;line-height:1.6;max-width:72ch}
.th-footer a{color:#e8d6c8}
.th-footer a:hover{color:#fff}

/* ================= Responsive ================= */
@media(max-width:1100px){
  .g-layout{grid-template-columns:1fr;gap:34px}
  .g-toc{position:static;order:-1}
  .g-rel-grid,.g-hub-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:950px){
  .th-nav{display:none}
  .wrap{padding:0 22px}
  .g-hero h1{font-size:30px}
}
@media(max-width:640px){
  .g-hero{padding:30px 0 34px}
  .g-hero h1{font-size:25px}
  .g-rel-grid,.g-hub-grid{grid-template-columns:1fr}
  .g-article h2{font-size:21px}
  .g-cta{padding:24px 20px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}
html{max-width:100%;overflow-x:hidden;overflow-x:clip}
body{max-width:100%;-webkit-text-size-adjust:100%;text-size-adjust:100%}