:root{
  --bg:#ffffff;
  --bg-soft:#f6f5f2;
  --bg-soft-2:#efeee9;
  --ink:#16171c;
  --ink-2:#3a3c44;
  --muted:#74767e;
  --muted-2:#a3a5ac;
  --line:rgba(20,21,26,.10);
  --line-soft:rgba(20,21,26,.06);
  --accent:#5b46e0;
  --accent-soft:rgba(91,70,224,.08);
  /* scientific overlay palette: teal / orange / magenta */
  --c-cells:#5b46e0;
  --c-pos:#22e06a;
  --c-neg:#8b8f9c;
  --c-tau:#e62929;
  --display:'Raleway',sans-serif;
  --body:'Onest',sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --maxw:1368px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;line-height:1.08;letter-spacing:-.01em}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.btn{font-family:var(--body);font-weight:600;font-size:15px;padding:12px 22px;border-radius:999px;cursor:pointer;border:1px solid transparent;transition:.2s;display:inline-block}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}

/* NAV */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:500;font-size:21px;letter-spacing:-.02em}
.brand svg{display:block}
.nav-links{display:flex;gap:36px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--accent);font-weight:600}
@media(max-width:880px){.nav-links{display:none}}

/* HERO */
.hero{padding:104px 0 72px;text-align:center}
.hero h1{font-size:clamp(40px,6.6vw,76px);font-weight:500;max-width:15ch;margin:20px auto 0;letter-spacing:-.02em}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero p{max-width:58ch;margin:24px auto 0;color:var(--muted);font-size:19px}
.hero-actions{margin-top:34px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* square logomark */
.logo-mark{display:block;height:36px;width:36px}
footer .logo-mark{height:31px;width:31px}

/* HERO — statement variant (BioSemia home) */
/* tightened so the first product tile sits within the first screen */
.hero.hero-statement{padding:58px 0 40px}
.hero-statement h1{max-width:23ch;font-size:clamp(29px,4.5vw,50px);line-height:1.14;margin-top:0}
.hero-statement p{margin-top:18px;font-size:18px}
.hero-statement .hero-actions{margin-top:26px}

/* TRUSTED BY */
.trusted{padding:34px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.trusted-label{text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:20px}
.trusted-logos{display:flex;justify-content:center;align-items:center;gap:54px;flex-wrap:wrap}
.customer-logo{height:40px;width:auto;display:block}

/* SECTION */
section{padding:88px 0}
.section-head{max-width:600px}
.section-head.center{margin:0 auto;text-align:center}
.section-head h1,.section-head h2{font-size:clamp(30px,4.4vw,46px);margin-top:14px;font-weight:500}
.section-head h1 em,.section-head h2 em{font-style:italic;color:var(--accent)}
.section-head p{color:var(--muted);margin-top:16px;font-size:18px}

/* VIEWER */
.viewer-sec{padding-top:24px}
.viewer{background:var(--bg);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(20,21,26,.18);max-width:min(70vh,75%);margin:0 auto}
@media(max-width:760px){.viewer{max-width:100%}}
.viewer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap}
.viewer-title{display:flex;flex-direction:column}
.viewer-title strong{font-family:var(--body);font-weight:600;font-size:15px}
.viewer-title span{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.04em}
.seg{display:inline-flex;background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:10px;padding:3px}
.seg button{font-family:var(--mono);font-size:12px;letter-spacing:.03em;padding:7px 14px;border:none;background:none;color:var(--muted);border-radius:7px;cursor:pointer;transition:.15s}
.seg button[aria-pressed="true"]{background:var(--bg);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.canvas-stage{position:relative;background:var(--bg-soft-2)}
#scope{display:block;width:100%;height:auto}
.scalebar{position:absolute;left:18px;bottom:16px;display:flex;flex-direction:column;align-items:center;gap:5px;font-family:var(--mono);font-size:10px;color:#3a3c44;mix-blend-mode:multiply}
.scalebar .bar{width:64px;height:3px;background:#16171c;border-radius:2px}
.readout{position:absolute;right:18px;top:16px;background:rgba(255,255,255,.82);backdrop-filter:blur(4px);border:1px solid var(--line-soft);border-radius:9px;padding:9px 13px;font-family:var(--mono);font-size:11px;color:var(--ink-2);line-height:1.7}
.readout b{color:var(--ink)}
.cell-tooltip{position:absolute;pointer-events:none;background:rgba(15,15,18,.92);color:#fff;padding:6px 10px;border-radius:8px;font-family:var(--mono);font-size:11px;line-height:1.5;white-space:nowrap;transform:translate(12px,12px);box-shadow:0 6px 16px -6px rgba(0,0,0,.4);z-index:5}
.cell-tooltip[hidden]{display:none}
.cell-tooltip b{color:var(--c-pos)}
.viewer-bottom{padding:16px 22px;border-top:1px solid var(--line-soft);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.viewer-bottom .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-right:4px}
.layer{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:9px 15px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--ink-2);cursor:pointer;transition:.15s}
.layer:hover{border-color:var(--ink-2)}
.layer[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:#fff}
.layer .dot{width:9px;height:9px;border-radius:50%}
.viewer-note{margin-top:14px;font-family:var(--mono);font-size:11px;color:var(--muted-2);text-align:center;letter-spacing:.02em}

/* CAPABILITIES */
.caps{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;margin-top:52px}
.cap{background:var(--bg);padding:38px}
.cap .n{font-family:var(--mono);font-size:12px;color:var(--accent);margin-bottom:18px}
.cap h3{font-size:23px;margin-bottom:12px;font-weight:500}
.cap p{color:var(--muted);font-size:16px}
@media(max-width:760px){.caps{grid-template-columns:1fr}}

/* METRICS */
.metrics-sec{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.metric{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:34px}
.metric .name{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.metric .val{font-family:var(--display);font-weight:500;font-size:54px;letter-spacing:-.03em;margin:14px 0 6px;color:var(--ink)}
.metric .val small{font-size:22px;color:var(--muted-2)}
.metric p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.metrics{grid-template-columns:1fr}}

/* AUDIENCE */
.aud{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.aud-card{border:1px solid var(--line);border-radius:16px;padding:34px;transition:.2s}
.aud-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(20,21,26,.25)}
.aud-card h3{font-size:22px;margin-bottom:10px;font-weight:500}
.aud-card p{font-size:15px;color:var(--muted)}
@media(max-width:760px){.aud{grid-template-columns:1fr}}

/* PAGE HERO (subpages) */
.page-hero{padding:96px 0 24px;text-align:center}
.page-hero h1{font-size:clamp(40px,6vw,68px);font-weight:500;letter-spacing:-.02em;margin-top:18px}
.page-hero h1 em{font-style:italic;color:var(--accent)}

/* ABOUT */
.about-body{max-width:720px;margin:0 auto;color:var(--muted);font-size:18px}
.about-body p{margin-top:20px}
.about-body p:first-child{margin-top:0}

/* TEAM */
.team-sec{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:52px}
.team-card{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:20px;text-align:center;transition:.2s}
.team-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -28px rgba(20,21,26,.25)}
.team-photo{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:16px;display:block}
.team-photo.placeholder{display:flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent);font-family:var(--display);font-weight:500;font-size:64px;letter-spacing:.02em}
.team-card h3{font-size:18px;margin-top:18px;font-weight:500}
.team-card .role{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-top:8px}
.team-card p{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.55}
@media(max-width:980px){.team{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.team{grid-template-columns:1fr}}

/* PRODUCTS (home) */
/* grid-auto-rows:1fr forces both cards to the height of the taller one */
.products{display:grid;grid-auto-rows:1fr;gap:28px}
.product{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--bg);border:1px solid var(--line);border-radius:22px;overflow:hidden}
/* .products-prefixed so these outrank .reveal / .reveal.in, which are declared later */
.products .product{transition:opacity .6s,transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s,border-color .35s}
.products .product:hover{transform:translateY(-6px);border-color:rgba(91,70,224,.35);box-shadow:0 34px 64px -34px rgba(91,70,224,.34)}
/* alternate which side the media sits on so the stack zig-zags */
.product-reverse .product-media{order:-1;border-left:none;border-right:1px solid var(--line-soft)}
.product-body{padding:46px 44px;display:flex;flex-direction:column;justify-content:center}
.product-name{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:12px}
.product-name .idx{font-weight:400;color:var(--muted-2);letter-spacing:.1em}
.product-name .idx::after{content:"";display:inline-block;width:22px;height:1px;background:var(--line);vertical-align:middle;margin-left:12px}
/* arrow slides out of the Learn more button on hover */
.product .btn .arw{display:inline-block;margin-left:8px;transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.product:hover .btn .arw{transform:translateX(5px)}
.product-body h3{font-size:clamp(24px,2.6vw,32px);font-weight:500;margin-top:16px;letter-spacing:-.02em}
.product-body h3 em{font-style:italic;color:var(--accent)}
.product-body p{color:var(--muted);font-size:16.5px;margin-top:18px}
.product-actions{margin-top:30px}
/* media slot — drop an <img> or <video> in with the same class */
.product-media{background:var(--bg-soft-2);border-left:1px solid var(--line-soft);min-height:320px;display:block;width:100%;height:100%;object-fit:cover}
.product-media.placeholder{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);text-align:center;padding:24px;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:28px 28px}
.product-media.placeholder span{display:block;max-width:26ch;line-height:1.7}
/* wide diagram: a container, so the image keeps its own aspect ratio at full column width */
.product-media.diagram{display:flex;align-items:center;justify-content:center;background:var(--bg);padding:22px;min-height:0;overflow:visible}
.product-media.diagram img{width:100%;height:auto;max-height:100%;object-fit:contain;display:block}
.product-media{transition:transform .6s cubic-bezier(.2,.7,.3,1)}
/* the zoom clips against the card's rounded overflow, so photos only */
.product:hover .product-media{transform:scale(1.03)}
.product:hover .product-media.diagram{transform:none}
@media(max-width:860px){
  .product,.product-reverse{grid-template-columns:1fr}
  .product-body{padding:36px 30px}
  /* single column: media always sits below the copy, border on top */
  .product-media,.product-reverse .product-media{order:0;border-left:none;border-right:none;border-top:1px solid var(--line-soft);min-height:240px}
}
@media(prefers-reduced-motion:reduce){
  .products .product,.product-media,.product .btn .arw{transition:none}
  .products .product:hover{transform:none}
  .product:hover .product-media{transform:none}
}

/* PRODUCT DEFINITION CARDS */
.def{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:52px}
.def-card{border:1px solid var(--line);border-radius:18px;padding:36px;background:var(--bg)}
.def-card .product-name{margin-bottom:14px}
.def-card h3{font-size:24px;font-weight:500;letter-spacing:-.01em}
.def-card .lede{color:var(--muted);font-size:16px;margin-top:14px}
.spec{margin-top:24px;border-top:1px solid var(--line-soft)}
.spec .row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.spec dt{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);padding-top:4px}
.spec dd{font-size:15px;color:var(--ink-2);line-height:1.55}
@media(max-width:860px){.def{grid-template-columns:1fr}.spec .row{grid-template-columns:1fr;gap:4px}}

/* MEDIA SLOT (subpages) — swap for <img>/<video> with the same class */
.media-slot{background:var(--bg-soft-2);border:1px solid var(--line);border-radius:20px;overflow:hidden;width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.media-slot.placeholder{display:flex;align-items:center;justify-content:center;text-align:center;padding:28px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);line-height:1.9;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:28px 28px}
.media-frame{max-width:min(70vh,75%);margin:0 auto;box-shadow:0 30px 60px -30px rgba(20,21,26,.18);border-radius:20px}
/* square source (1:1 video) */
.media-frame.square{max-width:min(62vh,540px)}
.media-slot.square{aspect-ratio:1/1;background:#000;object-fit:contain}

/* copy left, media right. The copy sits high rather than centred against
   the media, offset by roughly half of what centring would give. */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.split .section-head{max-width:none;padding-top:90px}
.split .media-col{min-width:0}
.split .media-frame,.split .viewer{margin:0;max-width:100%}
/* the clip is 400px native, so stop it upscaling into a wide column */
.split .media-frame.square{max-width:540px}
.split .viewer-note{margin-top:14px}
/* the viewer sits at 80% of its column, centred */
.split .viewer{width:80%;max-width:80%;margin:0 auto}
/* ...unless the media needs the room: the overlay row below the canvas
   wants ~760px to stay on one line, so give that column the larger share. */
.split.split-wide{grid-template-columns:0.72fr 1.28fr}
.split-wide .viewer{width:100%;max-width:100%}
.layer{white-space:nowrap}
@media(max-width:980px){.split.split-wide{grid-template-columns:1fr}}
@media(max-width:980px){
  .split{grid-template-columns:1fr;gap:30px}
  .split .section-head{padding-top:0}
}
@media(max-width:760px){.media-frame{max-width:100%}}

/* CTA */
.cta-box{background:var(--ink);color:#fff;border-radius:22px;padding:72px 40px;text-align:center}
.cta-box h2{font-size:clamp(30px,4.5vw,46px);font-weight:500;color:#fff}
.cta-box h2 em{font-style:italic;color:#bdb2ff}
.cta-box p{color:rgba(255,255,255,.66);margin:18px auto 30px;max-width:46ch}
.cta-box .btn-primary{background:#fff;color:var(--ink)}
.cta-box .btn-primary:hover{background:#bdb2ff;color:var(--ink)}

/* FOOTER */
footer{padding:60px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:32ch}
.foot-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:15px;margin-bottom:11px}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;margin-top:50px;padding-top:24px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--muted-2);flex-wrap:wrap;gap:12px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}