/* ============================================================
   GDGJ Exhibition Growth Platform — shared theme
   Navy #0a2540 + Gold #c8a45d. White / slate text.
   Used by all platform pages (solution-center, resources,
   business-tools, case-library, knowledge-hub, buyer-due-diligence).
   Do NOT alter the palette — it matches the existing brand site.
   ============================================================ */
:root{
  --navy:#0a2540;
  --navy-deep:#081d33;
  --gold:#c8a45d;
  --gold-soft:#f6efe1;
  --ink:#0f172a;
  --slate:#334155;
  --slate-2:#64748b;
  --line:#e8edf3;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  margin:0;color:var(--ink);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--navy);text-decoration:none;}
img{max-width:100%;}
h1,h2,h3,h4{color:var(--navy);line-height:1.3;letter-spacing:-.01em;}
.container{max-width:1080px;margin:0 auto;padding:0 20px;}
.container-narrow{max-width:820px;margin:0 auto;padding:0 20px;}

/* ---------- Nav ---------- */
.gdgj-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.gdgj-nav .inner{max-width:1180px;margin:0 auto;padding:13px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);letter-spacing:.2px;font-size:16px;white-space:nowrap;}
.brand .mark{width:11px;height:11px;border-radius:2px;background:var(--gold);}
.brand small{font-weight:600;color:var(--slate-2);font-size:11px;letter-spacing:.12em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:14px;color:var(--slate);font-weight:500;transition:background .15s,color .15s;}
.nav-links a:hover{background:var(--bg-soft);color:var(--navy);}
.nav-links a.active{color:var(--navy);background:var(--gold-soft);font-weight:600;}
.nav-cta{display:none;}
@media(min-width:980px){
  .nav-cta{display:inline-flex;}
}
@media(max-width:860px){
  .nav-links a{padding:7px 9px;font-size:13px;}
}

/* ---------- Buttons ---------- */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--navy);color:#fff;font-weight:600;font-size:15px;padding:13px 22px;border-radius:10px;border:1px solid var(--navy);transition:background .15s,transform .1s;}
.btn-primary:hover{background:var(--navy-deep);}
.btn-gold{background:var(--gold);color:var(--navy);border:1px solid var(--gold);font-weight:700;}
.btn-gold:hover{background:#bda055;}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line);font-weight:600;}
.btn-ghost:hover{border-color:var(--navy);}
.btn-block{width:100%;}

/* ---------- Section / type ---------- */
.section-pad{padding:72px 0;}
.section-pad-sm{padding:48px 0;}
.bg-soft{background:var(--bg-soft);}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:700;}
.kicker{display:inline-block;font-size:12px;font-weight:700;color:var(--gold);background:var(--gold-soft);border:1px solid #ecd9b0;padding:4px 12px;border-radius:999px;letter-spacing:.04em;}
.lead{color:var(--slate);font-size:17px;}
.muted{color:var(--slate-2);}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 14px 34px -28px rgba(10,37,64,.4);}
.card-hover{transition:transform .15s,box-shadow .15s,border-color .15s;}
.card-hover:hover{transform:translateY(-3px);box-shadow:0 22px 44px -28px rgba(10,37,64,.5);border-color:#d8e0ea;}

.grid-2{display:grid;gap:20px;grid-template-columns:1fr;}
.grid-3{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:680px){.grid-2{grid-template-columns:1fr 1fr;}.grid-3{grid-template-columns:1fr 1fr;}}
@media(min-width:980px){.grid-3{grid-template-columns:1fr 1fr 1fr;}}

/* ---------- Framework flow (brand methodology) ---------- */
.framework{display:flex;flex-wrap:nowrap;align-items:stretch;gap:0;justify-content:center;overflow-x:auto;padding:2px 2px 6px;}
.framework .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 14px;flex:0 1 150px;min-width:116px;text-align:center;}
.framework .step .n{font-size:11px;font-weight:700;color:var(--gold);}
.framework .step .t{font-size:13px;font-weight:700;color:var(--navy);margin-top:3px;white-space:nowrap;}
.framework .arrow{display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:18px;padding:0 4px;font-weight:700;flex:0 0 auto;}

/* ---------- Meta row (reading time / updated / author / data) ---------- */
.meta-row{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13px;color:var(--slate-2);align-items:center;}
.meta-row .pill{display:inline-flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--line);padding:5px 11px;border-radius:999px;}
.meta-row b{color:var(--slate);font-weight:600;}

/* ---------- Tags / chips ---------- */
.tag{display:inline-block;font-size:12.5px;color:var(--slate);background:var(--bg-soft);border:1px solid var(--line);padding:4px 11px;border-radius:999px;margin:3px 4px 3px 0;}
.tag.gold{color:var(--navy);background:var(--gold-soft);border-color:#ecd9b0;}

/* ---------- Footer ---------- */
.gdgj-footer{background:var(--navy);color:#cdd7e3;padding:54px 0 30px;margin-top:40px;font-size:14px;}
.gdgj-footer a{color:#cdd7e3;}
.gdgj-footer a:hover{color:#fff;}
.gdgj-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;margin:0 0 14px;text-transform:uppercase;}
.gdgj-footer .cols{display:grid;gap:28px;grid-template-columns:1fr;}
@media(min-width:760px){.gdgj-footer .cols{grid-template-columns:2fr 1fr 1fr 1fr;}}
.gdgj-footer .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;color:#9fb0c4;font-size:12.5px;}

/* ---------- Sticky CTA ---------- */
.sticky-cta{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.sticky-cta a{padding:12px 18px;border-radius:999px;font-size:14px;font-weight:600;box-shadow:0 14px 30px -12px rgba(10,37,64,.5);}
.sticky-cta .sc-gold{background:var(--gold);color:var(--navy);}
.sticky-cta .sc-navy{background:var(--navy);color:#fff;}
@media(max-width:680px){.sticky-cta{display:none;}}
.mobile-cta{display:none;}
@media(max-width:680px){
  .mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(10,37,64,.5);}
  .mobile-cta a{flex:1;text-align:center;padding:14px 8px;font-size:14px;font-weight:700;}
  .mobile-cta .mc-gold{background:var(--gold);color:var(--navy);}
  .mobile-cta .mc-navy{color:var(--navy);}
  body{padding-bottom:56px;}
}

/* ---------- Related links ---------- */
.related{border-top:1px solid var(--line);margin-top:54px;padding-top:30px;}
.related h3{font-size:16px;margin:0 0 16px;}
.related a{display:block;padding:11px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;color:var(--slate);font-size:14.5px;transition:border-color .15s,color .15s;}
.related a:hover{border-color:var(--navy);color:var(--navy);}
.related a span{color:var(--gold);font-size:12px;font-weight:700;margin-right:8px;}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:13px;color:var(--slate-2);margin:14px 0 0;}
.crumb a{color:var(--slate-2);}
.crumb a:hover{color:var(--navy);}

/* ---------- Callout ---------- */
.note{border-left:3px solid var(--gold);background:var(--gold-soft);padding:14px 18px;border-radius:0 10px 10px 0;color:var(--slate);font-size:14.5px;}
.note.warn{border-color:#d97706;background:#fff7ed;}