/* ===== UMID DNA Database — light forensic DNA theme (no external resources) ===== */
	.dn { --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:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
	--dn-sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
	font-family:var(--dn-sans); font-weight:400; color:#1f2937; background:#f4f6ff; padding-bottom:64px; }
	.dn * { box-sizing:border-box; }
	.dn h1, .dn h2, .dn h3, .dn p, .dn span, .dn em, .dn strong { font-weight:400; }
	.dn-wrap { width:100%; max-width:1800px; margin:0 auto; padding:0 clamp(20px,5vw,110px); }

	/* accent colour helpers */
	.dn-k-a { --k:var(--dn-a); }
	.dn-k-c { --k:var(--dn-c); }
	.dn-k-v { --k:var(--dn-violet); }
	.dn-k-g { --k:var(--dn-g); }
	.dn-k-t { --k:var(--dn-t); }

	/* hero */
	.dn-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%); }
	.dn-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%); }
	.dn-hero .dn-wrap { position:relative; }
	.dn-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); }
	.dn-dot { width:8px; height:8px; border-radius:50%; background:var(--dn-teal); animation:dn-pulse 2s infinite; }
	@keyframes dn-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);} }
	.dn-hero h1 { margin:16px 0 8px; font-size:clamp(28px,4.6vw,46px); letter-spacing:-.03em; color:var(--dn-ink); }
	.dn-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; }
	.dn-hero p { max-width:640px; margin:0 auto; color:#4b5563; font-size:16px; line-height:1.6; }
	.dn-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%); }

	/* body layout */
	.dn-body { position:relative; z-index:2; margin-top:-30px; display:grid; gap:22px; }

	/* section label */
	.dn-label { margin:10px 0 -4px; font-family:var(--dn-mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--dn-teal); }

	/* cards */
	.dn-card { position:relative; overflow:hidden; border-radius:16px; background:#fff; border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07); padding:24px 26px 24px 30px; }
	.dn-card::before { content:""; position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--k, var(--dn-indigo)); }
	.dn-card h2 { margin:0 0 12px; font-size:19px; line-height:1.4; color:var(--dn-ink); }
	.dn-card p { margin:0; font-size:15.5px; line-height:1.9; color:#374151; text-indent:2em; text-align:justify; text-justify:inter-word; hyphens:auto; -webkit-hyphens:auto; }
	.dn-card p + p { margin-top:10px; }

	/* stats */
	.dn-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
	.dn-stat { position:relative; overflow:hidden; border-radius:16px; background:#fff; border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07); padding:22px 24px 22px 28px; }
	.dn-stat::before { content:""; position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--k); }
	.dn-num { font-family:var(--dn-mono); font-size:clamp(28px,3.4vw,38px); letter-spacing:-.02em; color:var(--k); line-height:1.1; }
	.dn-stat span.dn-cap { display:block; margin-top:8px; font-size:14.5px; line-height:1.5; color:#4b5563; }

	/* acronym */
	.dn-acro { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:14px; }
	.dn-letter { display:flex; align-items:center; gap:14px; padding:16px 18px; border-radius:16px; background:#fff; border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07); }
	.dn-ch { flex:0 0 46px; height:46px; display:grid; place-items:center; border-radius:12px; font-family:var(--dn-mono); font-size:20px; color:var(--k);
	background:color-mix(in srgb,var(--k) 14%,#fff); border:1px solid color-mix(in srgb,var(--k) 35%,transparent); }
	.dn-lt { font-size:16px; color:var(--dn-ink); line-height:1.4; }

	/* two columns */
	.dn-two { display:grid; gap:22px; }

	/* chips */
	.dn-chips { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }
	.dn-chip { display:inline-flex; align-items:center; gap:8px; padding:7px 14px; border-radius:999px; font-size:13.5px; color:#4338ca; background:#eef2ff; border:1px solid #c7d2fe; }
	.dn-chip i { width:8px; height:8px; border-radius:50%; background:var(--k); display:inline-block; }

	/* steps */
	.dn-steps { display:grid; gap:14px; }
	.dn-step { position:relative; overflow:hidden; display:flex; gap:16px; align-items:flex-start; border-radius:16px; background:#fff; border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07); padding:18px 22px 18px 26px; }
	.dn-step::before { content:""; position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--k); }
	.dn-n { flex:0 0 34px; height:34px; display:grid; place-items:center; border-radius:10px; font-family:var(--dn-mono); font-size:13px; color:var(--k);
	background:color-mix(in srgb,var(--k) 14%,#fff); border:1px solid color-mix(in srgb,var(--k) 35%,transparent); }
	.dn-step h3 { margin:0 0 4px; font-size:17px; line-height:1.45; color:var(--dn-ink); }
	.dn-step p { margin:0; font-size:15px; line-height:1.8; color:#374151; }

	/* closing */
	.dn-close { position:relative; overflow:hidden; text-align:center; border-radius:16px; padding:34px clamp(20px,4vw,60px); color:var(--dn-ink); border:1px solid var(--dn-border); box-shadow:0 8px 24px rgba(60,80,160,.07);
	background:radial-gradient(600px 240px at 50% 0%, rgba(99,102,241,.14), transparent 70%), #fff; }
	.dn-close p { max-width:760px; margin:0 auto; font-size:17px; line-height:1.8; color:#374151; }
	.dn-close .dn-helix { margin:0 auto 18px; }

	@media (min-width:1100px) {
	.dn-two { grid-template-columns:repeat(2,minmax(0,1fr)); align-items:stretch; }
	.dn-steps { grid-template-columns:repeat(2,minmax(0,1fr)); align-items:start; }
	}
	@media (max-width:640px) {
	.dn-hero { padding:44px 0 66px; }
	.dn-card { padding:20px 18px 20px 22px; }
	.dn-card p { font-size:15px; line-height:1.8; text-indent:1.4em; }
	.dn-step { padding:15px 16px 15px 20px; gap:12px; }
	}
	@media (prefers-reduced-motion:reduce) { .dn-dot { animation:none; } }