/* ===== UMID Organisational Setup — light forensic DNA theme (no external resources) ===== */
.os { --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;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif; color:#1f2937; background:#f4f6ff; padding-bottom:64px; }
.os * { box-sizing:border-box; }
.os-wrap { width:100%; max-width:1400px; margin:0 auto; padding:0 clamp(20px,5vw,80px); }

/* inline svg icons */
.os svg { width:1em; height:1em; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; flex-shrink:0; }

/* accent colour helpers (replace inline styles) */
.os-k-c { --k:var(--dn-c); }
.os-k-v { --k:var(--dn-violet); }

/* hero */
.os-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%); }
.os-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%); }
.os-hero .os-wrap { position:relative; }
.os-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); }
.os-dot { width:8px; height:8px; border-radius:50%; background:var(--dn-teal); animation:os-pulse 2s infinite; }
@keyframes os-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);} }
.os-hero h1 { margin:16px 0 8px; font-size:clamp(30px,5vw,48px); font-weight:800; letter-spacing:-.03em; color:var(--dn-ink); }
.os-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; }
.os-hero p { max-width:600px; margin:0 auto; color:#4b5563; font-size:16px; line-height:1.6; }
.os-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%); }

/* image cards */
.os-list { display:grid; gap:24px; margin-top:-34px; position:relative; z-index:2; }
.os-card { position:relative; overflow:hidden; margin:0 auto; width:100%; padding:22px; border-radius:20px; background:#fff; border:1px solid var(--dn-border);
  box-shadow:0 12px 34px rgba(60,80,160,.10); }
.os-card::before { content:""; position:absolute; left:0; right:0; top:0; height:3px; background:var(--k); }
.os-card--land { max-width:1000px; }
.os-card--port { max-width:720px; }
.os-link { display:block; border-radius:12px; overflow:hidden; border:1px solid var(--dn-border); background:#f8faff; }
.os-link:focus-visible { outline:3px solid rgba(79,70,229,.45); outline-offset:3px; }
.os-link img { display:block; width:100%; height:auto; }
.os-cap { display:flex; align-items:center; justify-content:center; gap:8px; margin:14px 0 0; font-size:13.5px; color:#6b7280; text-align:center; }
.os-cap svg { color:var(--k); font-size:16px; }

@media (max-width:640px) {
  .os-hero { padding:44px 0 66px; }
  .os-card { padding:14px; border-radius:16px; }
}
@media (prefers-reduced-motion:reduce) { .os-dot { animation:none; } }