/* Biomarker Technologies — homepage. Dark scientific. Spine: authority + precision. */
:root{
  --bg:#0a0e16; --bg2:#0d1320; --panel:#111827; --ink:#eef2f8; --mut:#9fb0c6;
  --line:#1e2a3d; --cyan:#39d6e6; --amber:#e7a83e; --accent:#39d6e6;
  --serif:"Georgia",ui-serif,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;
  font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
  font-weight:600;margin-bottom:18px}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.12}
.muted{color:var(--mut)}

/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(10,14,22,.72);border-bottom:1px solid transparent;transition:border-color .3s}
header.scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:var(--serif);font-size:1.12rem;letter-spacing:.01em}
.brand b{font-weight:600}
.brand span{color:var(--cyan)}
.navlinks{display:flex;gap:30px;align-items:center;font-size:.9rem}
.navlinks a{color:var(--mut);transition:color .2s}
.navlinks a:hover{color:var(--ink)}
.btn{display:inline-block;padding:11px 22px;border-radius:6px;font-weight:600;font-size:.9rem;
  letter-spacing:.01em;transition:transform .2s,box-shadow .2s,background .2s}
.btn-pri{background:var(--cyan);color:#04222a;box-shadow:0 0 0 1px rgba(57,214,230,.4)}
.btn-pri:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(57,214,230,.28)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cyan)}
/* nav CTA — solid, guaranteed dark text (fixes the unreadable cyan-on-cyan) */
.btn-nav{background:var(--cyan);color:#062a32 !important;font-weight:700;padding:10px 18px}
.btn-nav:hover{background:#5fe3f0;transform:translateY(-1px)}
/* client portal login — outlined, present now (build later) */
.btn-portal{border:1px solid var(--line);color:var(--ink);padding:10px 16px}
.btn-portal:hover{border-color:var(--cyan);color:var(--cyan)}
@media(max-width:820px){.navlinks .lk{display:none}}
@media(max-width:560px){.btn-portal{display:none}}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  border-bottom:1px solid var(--line);overflow:hidden}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9}
.hero-img{position:absolute;inset:0;z-index:0;background:center/cover no-repeat;opacity:.42}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(120% 90% at 70% 40%,transparent 0%,var(--bg) 78%),
  linear-gradient(90deg,var(--bg) 8%,rgba(10,14,22,.55) 55%,transparent 100%)}
.hero{min-height:auto}
.hero .wrap{position:relative;z-index:2;padding-top:130px;padding-bottom:96px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.2rem);max-width:16ch;line-height:1.08}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero p.lead{font-size:1.14rem;color:var(--mut);max-width:46ch;margin:20px 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-meta{margin-top:34px;display:flex;gap:30px;flex-wrap:wrap;font-size:.82rem;
  color:var(--mut);letter-spacing:.04em}
.hero-meta b{color:var(--ink);font-weight:600;display:block;font-size:.95rem;letter-spacing:0}

/* sections */
section{padding:84px 0;border-bottom:1px solid var(--line)}
.sec-head{max-width:62ch;margin-bottom:42px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-bottom:16px}
.sec-head p{color:var(--mut);font-size:1.08rem}

/* authority */
.authority{background:linear-gradient(180deg,var(--bg),var(--bg2))}
.auth-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;align-items:center}
.auth-quote{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.28;
  letter-spacing:-.01em}
.auth-quote .hl{color:var(--cyan)}
.auth-body{color:var(--mut);margin-top:26px;font-size:1.02rem}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:30px}
.auth-card .role{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);font-weight:600}
.auth-card h3{font-size:1.5rem;margin:8px 0 4px}
.auth-card ul{list-style:none;margin-top:20px;display:grid;gap:13px}
.auth-card li{display:flex;gap:12px;font-size:.92rem;color:var(--mut);align-items:flex-start}
.auth-card li::before{content:"";flex:0 0 6px;height:6px;margin-top:9px;border-radius:50%;
  background:var(--cyan)}
@media(max-width:820px){.auth-grid{grid-template-columns:1fr;gap:38px}}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden}
.svc{background:var(--panel);padding:34px 30px;transition:background .25s}
.svc:hover{background:#15203100}
.svc .n{font-size:.78rem;color:var(--mut);font-variant-numeric:tabular-nums;letter-spacing:.1em}
.svc h3{font-size:1.28rem;margin:14px 0 10px;font-family:var(--serif)}
.svc p{font-size:.92rem;color:var(--mut)}
.svc.alt{background:var(--bg2)}
@media(max-width:880px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr}}

/* stakes (why it matters) — split with image */
.stakes{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;
  border:1px solid var(--line);border-radius:16px;overflow:hidden}
.stakes-txt{padding:46px 44px}
.stakes-txt h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:20px}
.stakes-txt p{color:var(--mut);margin-bottom:16px}
.stakes-img{background:center/cover no-repeat;min-height:380px;position:relative}
.stakes-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--panel),transparent 30%)}
@media(max-width:820px){.stakes{grid-template-columns:1fr}.stakes-img{min-height:240px}}

/* lab gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:.82rem;
  letter-spacing:.04em;background:linear-gradient(transparent,rgba(7,11,18,.92));color:var(--ink)}
@media(max-width:760px){.gallery{grid-template-columns:1fr 1fr}}

/* contact */
.contact{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:54px}
.contact h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:18px}
.contact .lead{color:var(--mut);font-size:1.1rem;max-width:42ch;margin-bottom:30px}
.cfield{margin-bottom:20px}
.cfield .lab{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);
  font-weight:600;margin-bottom:6px}
.cfield .val{font-size:1.05rem}
.cfield a:hover{color:var(--cyan)}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr;gap:32px}}

/* footer */
footer{padding:44px 0;color:var(--mut);font-size:.84rem;text-align:center}
footer .sep{color:var(--line);margin:0 10px}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* ============ SUBPAGE STYLES (reuse the homepage system) ============ */
/* subpage banner (lighter than the full hero) */
.pagehead{position:relative;padding:128px 0 60px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg2),var(--bg));overflow:hidden}
.pagehead::before{content:"";position:absolute;right:-5%;top:-30%;width:520px;height:520px;
  background:radial-gradient(circle,rgba(57,214,230,.10),transparent 65%);pointer-events:none}
.pagehead .wrap{position:relative;z-index:1}
.pagehead h1{font-size:clamp(2.3rem,5vw,3.6rem);max-width:18ch;line-height:1.1}
.pagehead p{color:var(--mut);font-size:1.12rem;max-width:54ch;margin-top:18px}

/* prose */
.prose{max-width:70ch}
.prose p{color:var(--mut);margin-bottom:18px;font-size:1.04rem}
.prose strong{color:var(--ink);font-weight:600}
.prose h3{font-family:var(--serif);font-size:1.45rem;margin:36px 0 14px}

/* method list (services) */
.methods{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:30px}
.method{background:var(--panel);padding:24px 26px;transition:background .25s,transform .25s}
.method:hover{background:#16223400;transform:translateY(-2px)}
.method h4{font-size:1.06rem;margin-bottom:6px;font-family:var(--serif)}
.method .tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);
  font-weight:600}
.method p{font-size:.9rem;color:var(--mut);margin-top:8px}
@media(max-width:680px){.methods{grid-template-columns:1fr}}

/* team grid */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.member{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px;
  transition:border-color .25s,transform .25s}
.member:hover{border-color:rgba(57,214,230,.4);transform:translateY(-3px)}
.member .role{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  font-weight:600}
.member h3{font-size:1.28rem;margin:8px 0 4px;font-family:var(--serif)}
.member a{font-size:.88rem;color:var(--mut)}
.member a:hover{color:var(--cyan)}
@media(max-width:760px){.team{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.team{grid-template-columns:1fr}}

/* lab fact strip */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.fact{border-left:2px solid var(--cyan);padding-left:18px}
.fact b{display:block;font-family:var(--serif);font-size:1.9rem;color:var(--ink);line-height:1}
.fact span{color:var(--mut);font-size:.9rem;display:block;margin-top:8px}
@media(max-width:680px){.facts{grid-template-columns:1fr}}

/* FAQ accordion — elegant unfold (grid-rows animation, JS-driven) */
.faq{max-width:82ch}
.qa{border-bottom:1px solid var(--line);transition:border-color .3s}
.qa:first-child{border-top:1px solid var(--line)}
.qa.open{border-color:rgba(57,214,230,.32)}
.qa summary{cursor:pointer;list-style:none;padding:24px 8px 24px 0;font-family:var(--serif);
  font-size:1.2rem;color:var(--mut);display:flex;justify-content:space-between;gap:24px;
  align-items:center;transition:color .25s,padding-left .25s;-webkit-tap-highlight-color:transparent}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover{color:var(--ink);padding-left:6px}
.qa.open summary{color:var(--ink)}
/* chevron marker */
.qa summary .chev{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .35s cubic-bezier(.4,0,.2,1)}
.qa summary .chev::before,.qa summary .chev::after{content:"";position:absolute;top:50%;width:11px;height:2px;
  background:var(--cyan);border-radius:2px;transition:transform .35s cubic-bezier(.4,0,.2,1)}
.qa summary .chev::before{left:1px;transform:translateY(-50%) rotate(45deg)}
.qa summary .chev::after{right:1px;transform:translateY(-50%) rotate(-45deg)}
.qa.open summary .chev{transform:rotate(180deg)}
/* the animated reveal wrapper */
.qa .a-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows .42s cubic-bezier(.4,0,.2,1)}
.qa.open .a-wrap{grid-template-rows:1fr}
.qa .a-inner{overflow:hidden;min-height:0}
.qa .a{padding:2px 0 28px;color:var(--mut);max-width:74ch;opacity:0;transform:translateY(-6px);
  transition:opacity .3s ease .08s,transform .3s ease .08s}
.qa.open .a{opacity:1;transform:none}
.qa .a p{margin-bottom:12px;line-height:1.7}
.qa .a ul{margin:10px 0 12px 18px;color:var(--mut)}
.qa .a li{margin-bottom:7px}

/* footer nav links */
.foot-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;margin-bottom:16px;
  font-size:.86rem}
.foot-links a{color:var(--mut)}
.foot-links a:hover{color:var(--cyan)}