/* ===== UMID Publications — light forensic DNA theme ===== */
.pb { --dn-ink:#14183d; --dn-teal:#0e7490; --dn-violet:#8b5cf6; --dn-indigo:#6366f1; --dn-a:#34d399; --dn-t:#f87171; --dn-g:#fbbf24; --dn-c:#60a5fa;
  --dn-border:#e4e7f5; --dn-mono:'JetBrains Mono',ui-monospace,monospace;
  font-family:'Inter',system-ui,sans-serif; color:#1f2937; background:#f4f6ff; padding-bottom:64px; }
.pb * { box-sizing:border-box; }
.pb-wrap { width:100%; max-width:1800px; margin:0 auto; padding:0 clamp(20px,5vw,110px); }

/* hero */
.pb-hero { position:relative; overflow:hidden; padding:60px 0 76px; text-align:center; color:var(--dn-ink);
  background:
    radial-gradient(800px 280px at 50% 0%, rgba(34,211,238,.20), transparent 70%),
    radial-gradient(600px 320px at 8% 25%, rgba(99,102,241,.16), transparent 70%),
    radial-gradient(600px 320px at 100% 100%, rgba(139,92,246,.14), transparent 70%),
    linear-gradient(180deg,#e6efff 0,#f4f6ff 100%); }
.pb-hero::before { content:""; position:absolute; inset:0; pointer-events:none;
  background-image:linear-gradient(rgba(99,102,241,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.08) 1px,transparent 1px);
  background-size:44px 44px; -webkit-mask-image:radial-gradient(ellipse at center,#000 35%,transparent 85%); mask-image:radial-gradient(ellipse at center,#000 35%,transparent 85%); }
.pb-hero .pb-wrap { position:relative; }
.pb-tag { display:inline-flex; align-items:center; gap:10px; padding:5px 12px; border-radius:999px; color:var(--dn-teal);
  border:1px solid rgba(14,116,144,.3); background:#fff; font-family:var(--dn-mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; box-shadow:0 4px 14px rgba(99,102,241,.10); }
.pb-dot { width:8px; height:8px; border-radius:50%; background:var(--dn-teal); animation:pb-pulse 2s infinite; }
@keyframes pb-pulse { 0%{box-shadow:0 0 0 0 rgba(14,116,144,.5);} 70%,100%{box-shadow:0 0 0 10px rgba(14,116,144,0);} }
.pb-hero h1 { margin:16px 0 8px; font-size:clamp(32px,5vw,50px); font-weight:800; letter-spacing:-.03em; color:var(--dn-ink); }
.pb-hero h1 em { font-style:normal; background:linear-gradient(90deg,#0891b2,var(--dn-indigo),var(--dn-violet)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.pb-hero p { max-width:600px; margin:0 auto; color:#4b5563; font-size:16px; line-height:1.6; }
.pb-helix { display:block; width:96px; height:6px; margin:22px auto 0; border-radius:6px;
  background:linear-gradient(90deg,var(--dn-a) 0 25%,var(--dn-t) 25% 50%,var(--dn-g) 50% 75%,var(--dn-c) 75% 100%); }

/* count strip */
.pb-count { display:flex; justify-content:center; flex-wrap:wrap; gap:10px; margin-top:-30px; position:relative; z-index:2; }
.pb-pill { display:inline-flex; align-items:center; gap:8px; padding:9px 18px; border-radius:999px; font-size:14px; font-weight:700; color:var(--dn-ink);
  background:#fff; border:1px solid var(--dn-border); box-shadow:0 10px 26px rgba(60,80,160,.12); }
.pb-pill i { color:var(--dn-indigo); }

/* list */
.pb-list { list-style:none; margin:26px 0 0; padding:0; display:grid; gap:14px; }
.pb-item { position:relative; overflow:hidden; display:flex; gap:16px; align-items:flex-start; padding:20px 24px 20px 26px; border-radius:16px; background:#fff;
  border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07); transition:transform .25s, box-shadow .25s, border-color .25s; }
.pb-item::before { content:""; position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--k); }
.pb-item:hover { transform:translateY(-3px); border-color:color-mix(in srgb,var(--k) 45%,var(--dn-border)); box-shadow:0 14px 32px rgba(60,80,160,.13); }
.pb-n { flex:0 0 38px; height:38px; display:grid; place-items:center; border-radius:11px; font-family:var(--dn-mono); font-weight:700; font-size:14px; color:var(--k);
  background:color-mix(in srgb,var(--k) 14%,#fff); border:1px solid color-mix(in srgb,var(--k) 35%,transparent); }
.pb-body { flex:1; min-width:0; }
.pb-body p { margin:0; font-size:15.5px; line-height:1.8; color:#374151; overflow-wrap:anywhere; }
.pb-meta { display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
.pb-year { display:inline-flex; align-items:center; gap:6px; padding:4px 11px; border-radius:999px; font-family:var(--dn-mono); font-size:11.5px; font-weight:700; letter-spacing:.06em; color:var(--dn-teal); background:#ecfeff; border:1px solid #a5f3fc; }
.pb-doi { display:inline-flex; align-items:center; gap:6px; padding:4px 12px; border-radius:999px; font-size:12.5px; font-weight:700; text-decoration:none; color:#4338ca; background:#eef2ff; border:1px solid #c7d2fe; }
.pb-doi:hover { background:#e0e7ff; color:#3730a3; }
.pb-doi:focus-visible { outline:3px solid rgba(79,70,229,.45); outline-offset:2px; }

@media (max-width:640px) {
  .pb-hero { padding:44px 0 66px; }
  .pb-item { padding:16px 16px 16px 20px; gap:12px; }
  .pb-n { flex-basis:32px; height:32px; font-size:13px; }
  .pb-body p { font-size:14.5px; line-height:1.75; }
}
@media (prefers-reduced-motion:reduce) { .pb-dot { animation:none; } .pb-item { transition:none; } }
@media (min-width:1100px) {
  .pb-list { grid-template-columns:repeat(2,minmax(0,1fr)); }
}