/* BioHealthcare Hub: blood test category and product pages */
.bt{--navy:#0E173E;--navy2:#111c47;--card:#16214f;--card2:#1c2960;--line:rgba(255,255,255,.09);--line2:rgba(128,195,65,.45);
  --tx:#f3f6fc;--mut:#aab4d4;--green:#80C341;--green2:#9ad44a;--red:#ED1F24;--red2:#ff5a5f;--blue:#4a9eff;--amber:#f2a93b;
  --serif:'Instrument Serif',Georgia,serif;--sans:'Plus Jakarta Sans',system-ui,sans-serif;--r:18px;
  background:var(--navy);color:var(--tx);font-family:var(--sans);-webkit-font-smoothing:antialiased}
.bt *{box-sizing:border-box}
.bt a{color:inherit;text-decoration:none}
.bt img{max-width:100%;display:block}
.bt .wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.bt h1,.bt h2,.bt h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;margin:0;color:var(--tx)}
.bt h1 em,.bt h2 em{font-style:italic;color:var(--green)}
.bt p{margin:0}
.bt .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}
.bt .eyebrow::before{content:'';width:22px;height:2px;background:var(--green)}
.bt .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.95rem;border-radius:12px;padding:14px 22px;border:1px solid transparent;cursor:pointer;transition:.2s;font-family:var(--sans)}
.bt .btn-green{background:var(--green);color:#0e1940}
.bt .btn-green:hover{background:var(--green2);transform:translateY(-1px)}
.bt .btn-ghost{border-color:rgba(255,255,255,.22);color:var(--tx);background:transparent}
.bt .btn-ghost:hover{border-color:var(--green);color:var(--green)}
.bt .crumbs{font-size:.8rem;color:var(--mut);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:18px 0 0}
.bt .crumbs a:hover{color:var(--green)}
.bt .crumbs b{color:var(--tx);font-weight:600}

/* ---------- hero ---------- */
.bt-hero{position:relative;overflow:hidden;background:radial-gradient(1000px 520px at 85% 10%,rgba(128,195,65,.12),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(74,158,255,.10),transparent 60%),var(--navy)}
.bt-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:28px;padding-bottom:56px}
.bt-hero h1{font-size:clamp(2.4rem,4.4vw,3.8rem);line-height:1.02;margin:14px 0 14px}
.bt-hero .lead{font-size:1.08rem;line-height:1.6;color:#c9d2ec;max-width:560px}
.bt-facts{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.bt-facts span{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:100px;padding:8px 14px;font-size:.86rem;font-weight:600;color:#dfe5f5}
.bt-facts svg{width:16px;height:16px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.bt-hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.bt-hero-img{position:relative}
.bt-hero-img .frame{border-radius:28px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,0,0,.7);border:1px solid var(--line);aspect-ratio:5/4;background:#fff}
.bt-hero-img .frame img{width:100%;height:100%;object-fit:cover}
.bt-badge{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;color:var(--navy);border-radius:14px;padding:11px 14px;font-weight:700;font-size:.84rem;box-shadow:0 18px 40px -14px rgba(0,0,0,.55)}
.bt-badge i{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}
.bt-badge svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.bt-badge.b1{left:-18px;bottom:28px}.bt-badge.b2{right:-14px;top:24px}

/* ---------- category switcher ---------- */
.bt-switch{position:sticky;top:0;z-index:50;background:rgba(14,23,62,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bt-switch .wrap{display:flex;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.bt-switch .wrap::-webkit-scrollbar{display:none}
.bt-switch a{flex-shrink:0;display:flex;align-items:center;gap:9px;padding:6px 14px 6px 6px;border-radius:100px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:.84rem;font-weight:600;color:#cfd7ef;white-space:nowrap;transition:.2s}
.bt-switch a img{width:30px;height:30px;border-radius:50%;object-fit:cover}
.bt-switch a:hover{border-color:var(--green);color:#fff}
.bt-switch a.on{background:var(--green);border-color:var(--green);color:#0e1940}

/* ---------- toolbar ---------- */
.bt-list{padding:40px 0 70px}
.bt-toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:22px}
.bt-toolbar h2{font-size:clamp(1.7rem,2.6vw,2.2rem)}
.bt-toolbar .count{display:block;font-size:.88rem;color:var(--mut);margin-top:4px;font-family:var(--sans)}
.bt-tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.bt-search{position:relative}
.bt-search input{width:280px;max-width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px 12px 40px;color:var(--tx);font-size:.92rem;font-family:var(--sans);outline:none}
.bt-search input:focus{border-color:var(--green)}
.bt-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--mut);fill:none;stroke-width:2}
.bt-sort{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--tx);font-size:.9rem;font-family:var(--sans);outline:none}
.bt-chips{display:flex;gap:8px;flex-wrap:wrap;margin:-6px 0 22px}
.bt-chips button{background:transparent;border:1px solid var(--line);color:#cfd7ef;border-radius:100px;padding:8px 15px;font-size:.84rem;font-weight:600;cursor:pointer;font-family:var(--sans);transition:.2s}
.bt-chips button:hover{border-color:var(--green);color:#fff}
.bt-chips button.on{background:rgba(128,195,65,.16);border-color:var(--green);color:var(--green)}

/* ---------- test cards ---------- */
.bt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.bt-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.bt-card:hover{transform:translateY(-5px);border-color:var(--line2);box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.bt-card .img{position:relative;aspect-ratio:16/10;background:#e9eef5;overflow:hidden}
.bt-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.bt-card:hover .img img{transform:scale(1.05)}
.bt-card .tags{position:absolute;left:12px;top:12px;display:flex;gap:6px;flex-wrap:wrap}
.bt-tag{display:inline-flex;align-items:center;gap:5px;font-size:.7rem;font-weight:800;letter-spacing:.04em;padding:5px 10px;border-radius:100px;background:rgba(14,23,62,.86);color:#fff;backdrop-filter:blur(6px)}
.bt-tag.g{background:var(--green);color:#0e1940}
.bt-tag.r{background:var(--red);color:#fff}
.bt-card .markers-badge{position:absolute;right:12px;bottom:12px;background:#fff;color:var(--navy);border-radius:12px;padding:6px 11px;text-align:center;line-height:1.05;box-shadow:0 10px 20px -8px rgba(0,0,0,.5)}
.bt-card .markers-badge b{display:block;font-family:var(--serif);font-weight:400;font-size:1.5rem}
.bt-card .markers-badge small{font-size:.64rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#5a6890}
.bt-card .body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}
.bt-card h3{font-size:1.38rem;line-height:1.15;margin-bottom:8px}
.bt-card .blurb{font-size:.88rem;line-height:1.55;color:var(--mut);margin-bottom:12px}
.bt-mchips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.bt-mchips button{background:rgba(255,255,255,.05);border:1px solid var(--line);color:#dfe5f5;border-radius:8px;padding:4px 9px;font-size:.74rem;font-weight:600;cursor:pointer;font-family:var(--sans)}
.bt-mchips button:hover{border-color:var(--green);color:var(--green)}
.bt-mchips .more{border-style:dashed;color:var(--mut)}
.bt-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.78rem;color:#c3cce6;margin-bottom:14px}
.bt-meta span{display:inline-flex;align-items:center;gap:6px}
.bt-meta svg{width:15px;height:15px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.bt-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.bt-price small{display:block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.bt-price b{font-family:var(--serif);font-weight:400;font-size:1.7rem;color:#fff}
.bt-card .go{background:var(--green);color:#0e1940;font-weight:800;font-size:.86rem;border-radius:10px;padding:11px 16px;white-space:nowrap}
.bt-card:hover .go{background:var(--green2)}
.bt-empty{display:none;text-align:center;color:var(--mut);padding:40px 0}

/* ---------- steps / faq / cta ---------- */
.bt-steps{background:var(--navy2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.bt-steps .head{text-align:center;margin-bottom:30px}
.bt-steps h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-top:10px}
.bt-steps .row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bt-step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.bt-step .n{width:40px;height:40px;border-radius:50%;background:var(--green);color:#0e1940;font-weight:800;display:grid;place-items:center;margin-bottom:14px}
.bt-step b{display:block;font-size:1.02rem;margin-bottom:4px}
.bt-step p{font-size:.88rem;color:var(--mut);line-height:1.5}
.bt-faq{padding:64px 0}
.bt-faq .head{text-align:center;margin-bottom:26px}
.bt-faq h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-top:10px}
.bt-faq .list{max-width:860px;margin:0 auto;display:grid;gap:10px}
.bt-faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:0 20px}
.bt-faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;display:flex;justify-content:space-between;gap:16px}
.bt-faq summary::-webkit-details-marker{display:none}
.bt-faq summary::after{content:'+';color:var(--green);font-size:1.3rem;line-height:1}
.bt-faq details[open] summary::after{content:'\2212'}
.bt-faq details p{padding:0 0 18px;color:var(--mut);line-height:1.6;font-size:.94rem}
.bt-cta{padding:0 0 70px}
.bt-cta .box{border-radius:24px;padding:46px;background:linear-gradient(120deg,#16214f,#1d2b66);border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.bt-cta h2{font-size:clamp(1.8rem,3vw,2.4rem)}
.bt-cta p{color:var(--mut);margin-top:8px}

/* ---------- biomarker panel ---------- */
.bm2-back{position:fixed;inset:0;background:rgba(5,9,28,.6);backdrop-filter:blur(3px);z-index:1200;opacity:0;pointer-events:none;transition:.25s}
.bm2-back.on{opacity:1;pointer-events:auto}
.bm2{position:fixed;right:0;top:0;bottom:0;width:440px;max-width:100vw;background:#111b45;border-left:1px solid var(--line);z-index:1201;transform:translateX(100%);transition:transform .3s;overflow-y:auto;padding:28px 26px 40px;color:var(--tx);font-family:var(--sans)}
.bm2.on{transform:none}
.bm2 .x{position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:#fff;font-size:1rem;cursor:pointer}
.bm2 .cat{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.bm2 h3{font-family:var(--serif);font-weight:400;font-size:2rem;margin:6px 0 4px}
.bm2 .aka{color:var(--mut);font-size:.88rem;margin-bottom:18px}
.bm2 h4{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin:20px 0 8px}
.bm2 p{color:#dfe5f5;line-height:1.6;font-size:.95rem}
.bm2 .ranges{display:grid;gap:8px}
.bm2 .rg{display:flex;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--mut);border-radius:10px;padding:10px 12px;font-size:.88rem}
.bm2 .rg b{font-weight:700}
.bm2 .rg.optimal,.bm2 .rg.normal{border-left-color:var(--green)}
.bm2 .rg.low{border-left-color:var(--amber)}
.bm2 .rg.high{border-left-color:var(--red2)}
.bm2 .sym{display:flex;flex-wrap:wrap;gap:6px}
.bm2 .sym span{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:100px;padding:5px 11px;font-size:.8rem}
.bm2 .note{margin-top:22px;font-size:.78rem;color:var(--mut);line-height:1.5}

/* ---------- product page ---------- */
.bp-top{padding:10px 0 56px;background:radial-gradient(900px 500px at 90% 0%,rgba(128,195,65,.10),transparent 60%),var(--navy)}
.bp-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-top:18px}
.bp-gallery{position:sticky;top:90px}
.bp-gallery .frame{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;aspect-ratio:4/3;box-shadow:0 40px 80px -34px rgba(0,0,0,.7)}
.bp-gallery .frame img{width:100%;height:100%;object-fit:cover}
.bp-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.bp-trust div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 12px;text-align:center;font-size:.78rem;color:var(--mut);line-height:1.35}
.bp-trust svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 6px;display:block}
.bp-trust b{display:block;color:var(--tx);font-size:.86rem}
.bp-info .tagrow{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.bp-info .tagrow a{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--green);background:rgba(128,195,65,.12);border:1px solid rgba(128,195,65,.35);border-radius:100px;padding:5px 11px}
.bp-info h1{font-size:clamp(2.1rem,3.6vw,3.1rem);line-height:1.05}
.bp-info .sub{color:#c9d2ec;line-height:1.6;margin:12px 0 18px;font-size:1rem}
.bp-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px}
.bp-stats div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.bp-stats b{display:block;font-family:var(--serif);font-weight:400;font-size:1.7rem;line-height:1}
.bp-stats span{font-size:.78rem;color:var(--mut)}
.bp-step-h{font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin:20px 0 10px;display:flex;align-items:center;gap:10px}
.bp-step-h i{width:22px;height:22px;border-radius:50%;background:var(--green);color:#0e1940;font-style:normal;display:grid;place-items:center;font-size:.72rem}
.bp-tests{display:grid;gap:8px}
.bp-test{display:flex;align-items:center;gap:14px;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer;transition:.2s;text-align:left;width:100%;color:var(--tx);font-family:var(--sans)}
.bp-test:hover{border-color:rgba(128,195,65,.5)}
.bp-test.on{border-color:var(--green);background:rgba(128,195,65,.08)}
.bp-test .dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--mut);flex-shrink:0;position:relative}
.bp-test.on .dot{border-color:var(--green)}
.bp-test.on .dot::after{content:'';position:absolute;inset:3px;border-radius:50%;background:var(--green)}
.bp-test .t{flex:1}
.bp-test .t b{display:block;font-size:.98rem}
.bp-test .t span{font-size:.8rem;color:var(--mut)}
.bp-test .p{font-family:var(--serif);font-size:1.35rem}
.bp-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bp-opt{position:relative;background:var(--card);border:1.5px solid var(--line);border-radius:16px;padding:16px;cursor:pointer;transition:.2s;text-align:left;color:var(--tx);font-family:var(--sans)}
.bp-opt:hover{border-color:rgba(128,195,65,.5)}
.bp-opt.on{border-color:var(--green);background:rgba(128,195,65,.08)}
.bp-opt .ic{width:42px;height:42px;border-radius:12px;background:rgba(128,195,65,.14);display:grid;place-items:center;margin-bottom:10px}
.bp-opt .ic svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bp-opt b{display:block;font-size:.98rem;margin-bottom:3px}
.bp-opt span{display:block;font-size:.8rem;color:var(--mut);line-height:1.45}
.bp-opt .chk{position:absolute;right:14px;top:14px;width:22px;height:22px;border-radius:50%;border:2px solid var(--mut)}
.bp-opt.on .chk{border-color:var(--green);background:var(--green)}
.bp-opt.on .chk::after{content:'';position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid #0e1940;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.bp-buy{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(120deg,#1a2660,#16214f);border:1px solid var(--line2);border-radius:18px;padding:18px 20px;margin-top:20px}
.bp-buy .pr small{display:block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.bp-buy .pr b{font-family:var(--serif);font-weight:400;font-size:2.3rem;line-height:1}
.bp-buy .btn{padding:16px 26px;font-size:1rem}
.bp-assure{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;font-size:.82rem;color:#c3cce6}
.bp-assure span{display:inline-flex;align-items:center;gap:6px}
.bp-assure svg{width:15px;height:15px;stroke:var(--green);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.bp-sec{padding:60px 0;border-top:1px solid var(--line)}
.bp-sec.alt{background:var(--navy2)}
.bp-sec .head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.bp-sec h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-top:8px}
.bp-sec .hint{color:var(--mut);font-size:.9rem}
.bp-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.bp-group{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.bp-group h3{font-family:var(--sans);font-weight:800;font-size:.96rem;display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.bp-group h3 span{font-size:.72rem;font-weight:800;color:var(--green);background:rgba(128,195,65,.12);border-radius:100px;padding:4px 9px}
.bp-group .ms{display:flex;flex-wrap:wrap;gap:7px}
.bp-group .ms button{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#e6ebf8;border-radius:9px;padding:7px 11px;font-size:.84rem;font-weight:600;cursor:pointer;font-family:var(--sans);transition:.15s}
.bp-group .ms button::after{content:'i';width:15px;height:15px;border-radius:50%;border:1.5px solid currentColor;font-size:.6rem;font-weight:800;display:grid;place-items:center;opacity:.6;font-style:italic}
.bp-group .ms button:hover{border-color:var(--green);color:var(--green)}
.bp-about{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.bp-about p{color:#d3daf0;line-height:1.75;margin-bottom:14px}
.bp-symp{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.bp-symp h3{font-family:var(--sans);font-weight:800;font-size:1rem;margin-bottom:12px}
.bp-symp .sym{display:flex;flex-wrap:wrap;gap:8px}
.bp-symp .sym span{background:rgba(237,31,36,.1);border:1px solid rgba(255,90,95,.35);color:#ffc9cb;border-radius:100px;padding:6px 12px;font-size:.84rem;font-weight:600}
.bp-symp small{display:block;margin-top:14px;color:var(--mut);font-size:.78rem;line-height:1.5}
.bp-related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

.bp-sticky{position:fixed;left:0;right:0;bottom:0;z-index:900;background:rgba(14,23,62,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line2);padding:10px 16px;display:none;align-items:center;justify-content:space-between;gap:12px;transform:translateY(110%);transition:transform .25s}
.bp-sticky.on{transform:none}
.bp-sticky b{font-family:var(--serif);font-weight:400;font-size:1.6rem}
.bp-sticky small{display:block;font-size:.72rem;color:var(--mut)}

@media(max-width:1000px){
  .bt-hero .wrap,.bp-grid,.bp-about{grid-template-columns:1fr}
  .bt-hero-img{max-width:620px}
  .bt-grid,.bp-related{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bt-steps .row{grid-template-columns:1fr 1fr}
  .bp-gallery{position:static}
}
@media(max-width:640px){
  .bt .wrap{padding:0 16px}
  .bt-hero .wrap{gap:28px;padding-bottom:36px}
  .bt-badge{font-size:.74rem;padding:8px 10px}.bt-badge i{width:24px;height:24px}
  .bt-badge.b1{left:8px;bottom:12px}.bt-badge.b2{right:8px;top:12px}
  .bt-search input{width:100%}.bt-search,.bt-sort{flex:1 1 100%}
  .bt-grid,.bp-related{grid-template-columns:1fr}
  .bt-groups,.bp-groups{grid-template-columns:1fr}
  .bt-steps .row{grid-template-columns:1fr}
  .bp-opts{grid-template-columns:1fr}
  .bp-stats b{font-size:1.4rem}
  .bp-buy{flex-direction:column;align-items:stretch;text-align:center}
  .bp-sticky{display:flex}
  .bt-cta .box{padding:28px}
}

/* America's largest network (matches the homepage hero) */
.bt h1 .h1-sub{display:block;margin-top:.45rem;font-family:var(--serif);font-style:normal;font-size:.52em;line-height:1.2;color:rgba(240,244,255,.88);letter-spacing:0}
.bt .quest-power{margin-top:2rem;max-width:460px}
.bt .qp-label{font-size:.95rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(240,244,255,.8)}
.bt .qp-label strong{color:#80C341;font-weight:800;text-shadow:0 0 14px rgba(128,195,65,.55)}
.bt .qp-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:1rem}
.bt .qp-stat{display:flex;align-items:center;gap:.8rem;min-width:0}
.bt .qp-ic{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:rgba(128,195,65,.12);border:1px solid rgba(128,195,65,.4)}
.bt .qp-ic svg{width:22px;height:22px;fill:none;stroke:#80C341;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bt .qp-stat b{display:block;font-family:var(--serif);font-weight:400;font-size:2.2rem;line-height:1;color:#80C341}
.bt .qp-stat span{display:block;margin-top:.3rem;font-size:.8rem;line-height:1.4;color:rgba(240,244,255,.7)}
.bt .qp-stat span strong{display:block;color:#fff;font-weight:600}
.bt .qp-price{display:inline-flex;align-items:center;gap:.55rem;margin-top:1.1rem;font-size:.95rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#80C341;text-shadow:0 0 14px rgba(128,195,65,.6)}
.bt .qp-price strong{font-weight:800;color:#a6e86a}
.bt .qp-price svg{width:15px;height:15px;fill:#80C341;filter:drop-shadow(0 0 6px rgba(128,195,65,.7))}
.bt .qp-terms{display:block;margin-top:.5rem;font-size:.72rem;color:rgba(240,244,255,.55);text-decoration:underline;line-height:1.4}
.bt .qp-terms:hover{color:#80C341}
.bt .qp-box{max-width:none;margin-top:18px;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.03)}
@media(max-width:860px){.bt .quest-power{margin-top:1.4rem;max-width:none}.bt .qp-stats{gap:1rem}.bt .qp-stat{gap:.6rem}.bt .qp-ic{width:38px;height:38px}.bt .qp-ic svg{width:19px;height:19px}.bt .qp-stat b{font-size:1.8rem}.bt .qp-stat span{font-size:.76rem}.bt h1 .h1-sub{font-size:.6em;margin-top:.35rem}}
@media(max-width:480px){.bt .qp-label,.bt .qp-price{font-size:.85rem}.bt .qp-stat{flex-direction:column;align-items:flex-start;gap:.55rem}.bt .qp-ic{width:34px;height:34px}.bt .qp-ic svg{width:17px;height:17px}}

/* keep the support chat button clear of the mobile booking bar */
@media(max-width:640px){body:has(.bp-sticky.on) .bchat{bottom:112px!important}}

/* simplified test card: biomarkers and price only */
.bt-key{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 14px}
.bt-key div{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.bt-key b{display:block;font-family:var(--serif);font-weight:400;font-size:1.9rem;line-height:1;color:#fff}
.bt-key div:first-child b{color:var(--green)}
.bt-key small{display:block;margin-top:5px;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.bt-card .foot{border-top:0;padding-top:0}
.bt-card .foot .go{flex:1;text-align:center}

/* product page: tighter section spacing */
.bp-page .bp-top{padding-bottom:28px}
.bp-page .bp-sec{padding:34px 0}
.bp-page .bt-steps{padding:36px 0}
.bp-page .bt-faq{padding:36px 0 44px}
.bp-page .bp-sec .head,.bp-page .bt-steps .head,.bp-page .bt-faq .head{margin-bottom:18px}
.bp-page .bp-about h2{margin-bottom:10px!important}
@media(max-width:640px){.bp-page .bp-sec,.bp-page .bt-steps,.bp-page .bt-faq{padding:26px 0}}

/* individual biomarkers: compact cards, no photo */
.bt-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.bt-grid.compact .bt-card .body{padding:16px}
.bt-grid.compact .bt-card h3{font-size:1.18rem;min-height:2.5em}
.bt-grid.compact .bt-key b{font-size:1.5rem}
.bt-area{display:inline-block;align-self:flex-start;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green);background:rgba(128,195,65,.12);border-radius:100px;padding:4px 9px;margin-bottom:10px}
@media(max-width:1000px){.bt-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.bt-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.bt-grid.compact{grid-template-columns:1fr}}

/* test cards: Add to Cart + View Test, side by side */
.bt-card .foot{gap:8px}
.bt-card .foot .add,.bt-card .foot .go{flex:1 1 0;min-width:0;text-align:center;font-size:.8rem;line-height:1.2;border-radius:9px;padding:9px 8px;white-space:nowrap}
.bt-card .foot .add{background:var(--green);color:#0e1940;font-weight:800;border:1px solid var(--green);cursor:pointer}
.bt-card .foot .add:hover,.bt-card .foot .add:focus-visible{background:var(--green2);border-color:var(--green2);outline:0}
.bt-card .foot .go,.bt-card:hover .foot .go{background:transparent;color:#fff;font-weight:700;border:1px solid rgba(255,255,255,.32)}
.bt-card .foot .go:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* category hero: labels sit under the photo, not on it */
.bt-hero-img{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.bt-hero-img .frame{flex:1 0 100%;margin-bottom:6px}
.bt-hero-img .bt-badge,.bt-hero-img .bt-badge.b1,.bt-hero-img .bt-badge.b2{position:static;left:auto;right:auto;top:auto;bottom:auto;box-shadow:none}

.bp-note{margin:18px 0 16px;padding:14px 16px;border:1px solid rgba(128,195,65,.4);border-radius:14px;background:rgba(128,195,65,.08);color:#e6ecfb;font-size:.95rem;line-height:1.5}
.bp-note strong{color:#a6e86a}
.ct-note{margin:0 0 22px;color:#c9d2ec;font-size:.95rem;line-height:1.5}