/* IMS Science 1.2 · Use case: tuberculosis on a lateral-flow strip */
.lft .lft-g{color:var(--gold2)}
.lft .sci-dark .lft-g,.lft .lft-hero .lft-g{color:var(--gold)}
.lft .sci-btn:focus-visible,.lft button:focus-visible,.lft a:focus-visible,.lft summary:focus-visible{outline:3px solid var(--gold2);outline-offset:3px}
.lft-hero{padding-bottom:150px}
.lft-fine{font-size:13px;color:#6a7788;margin:18px 0 0}
.sci-dark .lft-fine{color:#9fb0c2}

/* Gold callout */
.lft-callwrap{position:relative;z-index:2;margin-top:-90px}
.lft-call{display:grid;grid-template-columns:76px 1fr;gap:26px;align-items:start;background:linear-gradient(135deg,#F3D477,#E6C25C 45%,#D4A72C);color:#0A1B33;border-radius:26px;padding:30px 34px;box-shadow:0 30px 80px rgba(5,14,34,.28)}
.lft-call-ic svg{width:76px;height:76px;display:block}
.lft-call-k{font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:#0A1B33}
.lft-call blockquote{margin:10px 0 0;font-size:clamp(19px,2.1vw,25px);line-height:1.38;font-weight:800;letter-spacing:-.02em;color:#0A1B33}
.lft-call cite{display:block;font-style:normal;font-size:13px;font-weight:700;margin-top:8px;color:#4a3a06}
.lft-call p{margin:14px 0 0;font-size:16px;line-height:1.6;color:#2a2205;font-weight:600}

/* Problem */
.lft-prob{padding-top:80px}
.lft-cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.lft-cards3 article{border:1px solid var(--line);border-radius:20px;padding:24px;background:#fbfcfe}
.lft-cards3 b{display:block;font-size:20px;color:var(--deep);letter-spacing:-.02em}
.lft-cards3 p{margin:8px 0 0;font-size:15px;color:var(--copy)}

/* How it works */
.lft-how{display:grid;grid-template-columns:1.6fr .9fr;gap:34px;align-items:start;margin-top:36px}
.lft-anim{margin:0;background:#06142b;border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:16px 16px 14px;box-shadow:0 30px 80px rgba(0,0,0,.35);min-width:0}
.lft-anim-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.lft-anim-note{font-size:12px;color:#8ea3bf}
.lft-replay{margin-left:auto;border:1px solid rgba(255,255,255,.25);background:transparent;color:#e6ecf5;border-radius:999px;padding:6px 12px;font:800 12.5px Inter,Arial,sans-serif;cursor:pointer}
.lft-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.lft-scroll svg{display:block;width:100%;height:auto;min-width:600px}
.lft-swipe{display:none;font-size:12px;color:#8ea3bf;margin:4px 4px 0}
@media(max-width:640px){.lft-swipe{display:block}}
.lft-anim figcaption{min-height:24px;margin:8px 4px 0;font-size:15px;font-weight:700;color:#fff}
.lft-key{display:flex;flex-wrap:wrap;gap:8px 18px;margin:10px 4px 0;font-size:12.5px;color:#b9c8da}
.lft-key span{display:inline-flex;align-items:center;gap:7px}
.lft-key svg{width:14px;height:14px}
.lft-steps{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.lft-steps li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:14px 16px;background:rgba(255,255,255,.03)}
.lft-steps li>b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(230,194,92,.15);color:#E6C25C;font-size:12px}
.lft-steps strong{display:block;color:#fff;font-size:15px;margin-bottom:3px}
.lft-steps span{font-size:13.5px;line-height:1.55;color:#b9c8da}
.lft-quote2{margin-top:28px;border-left:4px solid #E6C25C;background:rgba(230,194,92,.08);border-radius:0 16px 16px 0;padding:16px 22px}
.lft-quote2 .lft-call-k{color:#E6C25C}
.lft-quote2 p{margin:6px 0 0;color:#fff!important;font-size:17px;font-weight:700;line-height:1.5}
.lft-quote2 em{font-style:normal;font-weight:600;font-size:13px;color:#b9c8da}
.lft-seven{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:22px}
.lft-seven div{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px;background:rgba(255,255,255,.04)}
.lft-seven b{display:block;color:#fff;font-size:15px}
.lft-seven span{display:block;color:#9fb0c2;font-size:12px;margin-top:2px;line-height:1.35}

/* Results */
.lft-res{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.lft-res article{border:1px solid var(--line);border-radius:22px;padding:22px;background:linear-gradient(180deg,#f7faff,#fff);display:flex;flex-direction:column}
.lft-res small{display:block;color:var(--gold2);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:11px}
.lft-big{display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:0 10px;margin:12px 0 4px}
.lft-big b{font-size:40px;font-weight:900;letter-spacing:-.05em;color:var(--deep);line-height:1.05}
.lft-big i{font-style:normal;font-size:13px;color:var(--copy);font-weight:700}
.lft-res p{margin:8px 0 0;font-size:14px;line-height:1.55;color:var(--copy);flex:1}
.lft-res p strong{color:var(--deep)}
.lft-res article>span{display:block;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font-size:12.5px;color:#6a7788;font-weight:700}
.lft-tm{display:grid;gap:12px;margin-top:12px}
.lft-tm b{display:block;font-size:17px;color:var(--deep)}
.lft-tm span{display:block;font-size:14px;line-height:1.5;color:var(--copy);margin-top:3px}

/* Seven strips */
.lft-ctl{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 18px}
.lft-ctl button{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.04);color:#e6ecf5;border-radius:999px;padding:10px 16px;font:800 14px Inter,Arial,sans-serif;cursor:pointer}
.lft-ctl button[aria-pressed=true]{background:#E6C25C;border-color:#E6C25C;color:#0A1B33}
.lft-sum{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px 22px;background:rgba(255,255,255,.04);min-height:120px}
.lft-sum b#lftHead{display:block;color:#fff;font-size:18px}
.lft-sum p{margin:6px 0 0;font-size:15px;color:#c3d1e2!important}
.lft-sum p b{color:#E6C25C}
.lft-sum small{display:block;margin-top:6px;color:#8ea3bf;font-size:12.5px}
.lft-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin-top:18px}
.lft-card{border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px 10px 12px;background:rgba(255,255,255,.03);text-align:center;min-width:0}
.lft-card header b{display:block;color:#fff;font-size:15px}
.lft-card header span{display:block;color:#8ea3bf;font-size:11px;line-height:1.3;min-height:28px}
.lft-card svg{display:block;width:100%;max-width:150px;height:auto;margin:6px auto 0}
.lft-card .lft-t,.lft-card .lft-halo{transition:opacity .7s ease}
.lft-card .lft-fc{opacity:.75}
.lft-card .lft-t.a{opacity:.55}.lft-card .lft-halo.a{opacity:.12}
.lft-card .lft-halo{filter:blur(5px)}
.lft-card[data-dir=up] .lft-t.b{opacity:1}.lft-card[data-dir=up] .lft-halo.b{opacity:.5}
.lft-card[data-dir=down] .lft-t.b{opacity:.14}.lft-card[data-dir=down] .lft-halo.b{opacity:0}
.lft-card[data-dir=eq] .lft-t.b{opacity:.55}.lft-card[data-dir=eq] .lft-halo.b{opacity:.12}
.lft-dir{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:4px;font-size:12px;font-weight:800;line-height:1.25;min-height:32px}
.lft-dir i{flex:0 0 auto;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent}
.lft-card[data-dir=up] .lft-dir{color:#8ff0b8}.lft-card[data-dir=up] .lft-dir i{border-bottom:9px solid #8ff0b8}
.lft-card[data-dir=down] .lft-dir{color:#ffb4a8}.lft-card[data-dir=down] .lft-dir i{border-top:9px solid #ffb4a8}
.lft-card[data-dir=eq] .lft-dir{color:#b9c8da}.lft-card[data-dir=eq] .lft-dir i{width:10px;height:3px;border:0;background:#b9c8da;border-radius:2px}
.lft-st{margin-top:6px;font-size:13px;font-weight:800;color:#E6C25C;font-variant-numeric:tabular-nums}
.lft-cap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0 0;font-size:13px;color:#9fb0c2!important}
.lft-table{margin-top:18px;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:12px 16px}
.lft-table summary{cursor:pointer;font-weight:800;color:#fff;font-size:14px}
.lft-tscroll{overflow-x:auto;margin-top:12px}
.lft-table table{border-collapse:collapse;width:100%;min-width:760px;font-size:13px;color:#d3e0ee}
.lft-table th,.lft-table td{border-top:1px solid rgba(255,255,255,.1);padding:8px 8px;text-align:left;vertical-align:top}
.lft-table thead th{color:#E6C25C;font-size:12px;letter-spacing:.04em}
.lft-table tbody th{color:#fff;white-space:nowrap}
.lft-table small{color:#8ea3bf}

/* Why */
.lft-why{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;border:1px solid var(--line);border-radius:28px;padding:40px;background:linear-gradient(135deg,#f5f9ff,#fff)}
.lft .sci-btn.lft-out{background:#fff;border:1px solid var(--line);color:var(--deep)}
.lft-pts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lft-pts li{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;position:relative;padding-left:46px}
.lft-pts li:before{content:"";position:absolute;left:16px;top:20px;width:18px;height:18px;background:#E6C25C;clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%)}
.lft-pts b{display:block;color:var(--deep);font-size:16px}
.lft-pts span{display:block;color:var(--copy);font-size:14px;line-height:1.55;margin-top:4px}
.lft-pat{margin-top:16px;border:1px solid #f0d78a;background:#fffaf0;border-radius:18px;padding:18px 22px}
.lft-pat small{display:block;color:#7a5a00;font-weight:900;letter-spacing:.12em;text-transform:uppercase;font-size:11px}
.lft-pat p{margin:6px 0 0;font-size:15px;color:#4a4f5a}
.lft-pat a{color:#1d4a8f;font-weight:800}

/* Status */
.lft-honest{background:var(--soft)}
.lft-two{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.lft-lim{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.lft-lim li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;font-size:15px;line-height:1.6;color:var(--copy)}
.lft-lim b{color:var(--deep)}

/* Citation */
.lft-cite{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fbfcfe;margin-top:60px}
.lft-cite small{display:block;margin-top:14px;color:var(--gold2);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:11px}
.lft-cite>b{display:block;font-size:22px;line-height:1.3;color:var(--deep);margin:10px 0 8px;letter-spacing:-.02em}
.lft-cite>span:not(.sci-tag){display:block;color:var(--copy);font-size:14px;line-height:1.6}
.lft-cite-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px}
.lft-cite-row a{font-weight:800;color:#1d4a8f;text-decoration:none;font-size:14.5px}
.lft-cite-row a:hover{text-decoration:underline}
.lft-ruo{margin:16px 0 0!important;display:inline-block;font-size:13px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:#7a2a1f;background:#fdecea;border:1px solid #f3c2bb;border-radius:8px;padding:6px 10px}

@media(max-width:1100px){.lft-res{grid-template-columns:1fr 1fr}.lft-grid{grid-template-columns:repeat(4,1fr)}.lft-seven{grid-template-columns:repeat(4,1fr)}}
@media(max-width:980px){.lft-how,.lft-why,.lft-two{grid-template-columns:1fr}.lft-cards3{grid-template-columns:1fr}}
@media(max-width:700px){.lft-call{grid-template-columns:1fr;padding:24px 22px;gap:14px}.lft-call-ic svg{width:52px;height:52px}.lft-res{grid-template-columns:1fr}.lft-grid{grid-template-columns:1fr 1fr}.lft-seven{grid-template-columns:1fr 1fr}.lft-pts{grid-template-columns:1fr}.lft-why{padding:24px}.lft-hero{padding-bottom:130px}.lft-ctl button{padding:9px 13px;font-size:13px}}
@media (prefers-reduced-motion:reduce){.lft-card .lft-t,.lft-card .lft-halo{transition:none}}