/* Aesthetix Bio-Labs — Clinical Luxe shared stylesheet (prototype) */
:root{
  --ink:#0F3D3E; --teal:#177E75; --teal-soft:#E3EFED; --gold:#C29B4A; --gold-deep:#A8842F;
  --bg:#FBFAF7; --bg-alt:#F2F5F4; --text:#243230; --muted:#63736E; --hairline:#E4E7E4;
  --fd:'Playfair Display',Georgia,'Times New Roman',serif;
  --fb:'Inter','Segoe UI',Arial,sans-serif;
  --rc:14px; --shadow:0 10px 30px rgba(15,61,62,.07);
}
*{margin:0;padding:0;box-sizing:border-box;letter-spacing:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);color:var(--text);font-size:16px;line-height:1.7;background:var(--bg)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.eyebrow{display:block;font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:16px}
h1,h2,h3.serif{font-family:var(--fd);font-weight:600;color:var(--ink);line-height:1.15}
h1{font-size:44px}h2{font-size:36px;margin-bottom:14px}
.sub{color:var(--muted);font-size:17px;max-width:660px}
.center{text-align:center}
.center .sub{margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 36px;border-radius:999px;font-weight:600;font-size:15.5px;cursor:pointer;border:none;font-family:var(--fb);transition:all .2s}
.btn-gold{background:linear-gradient(135deg,#CBA84F,#B08D3E);color:#0F3D3E}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(168,132,47,.35)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
/* header */
header{position:sticky;top:0;background:rgba(251,250,247,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline);z-index:100}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-family:var(--fd);font-size:23px;font-weight:600;color:var(--ink)}
.logo em{font-style:italic;color:var(--gold-deep)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:13.5px;font-weight:500}
.nav-links a:hover{color:var(--teal)}
.nav .btn{padding:11px 24px;font-size:13px}
/* page hero */
.pagehero{background:linear-gradient(100deg,rgba(9,42,43,.88) 0%,rgba(9,42,43,.66) 60%,rgba(9,42,43,.5) 100%),url('../site-assets/02-cleanroom-filling.png') center/cover;color:#fff;padding:110px 0}
.pagehero .eyebrow{color:#D9BC77}
.pagehero h1{font-size:46px;color:#fff;max-width:760px;margin-bottom:18px}
.pagehero h1 em{font-style:italic;color:#D9BC77}
.pagehero p{font-size:18px;opacity:.92;max-width:620px}
.breadcrumb{font-size:13px;color:var(--muted);padding:24px 0 0}
.breadcrumb a{color:var(--teal)}
/* cards & grids */
.card{background:#fff;border:1px solid var(--hairline);border-radius:var(--rc);box-shadow:var(--shadow);overflow:hidden}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card .pad{padding:30px}
/* tables */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--rc);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--hairline)}
.tbl th,.tbl td{padding:13px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--hairline)}
.tbl th{background:var(--ink);color:#fff;font-weight:500}
.tbl tr:last-child td{border-bottom:none}
/* faq */
.faq-list{max-width:820px;margin:56px auto 0;text-align:left}
.faq-list details{background:#fff;border:1px solid var(--hairline);border-radius:12px;padding:22px 28px;margin-bottom:14px}
.faq-list summary{font-family:var(--fd);font-size:19px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-list details p{margin-top:12px;color:var(--muted);font-size:15px}
/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
.fgroup label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.fgroup label span{color:var(--gold-deep)}
.fgroup input,.fgroup select,.fgroup textarea{width:100%;padding:13px 15px;border:1px solid var(--hairline);border-radius:10px;font-size:15px;font-family:var(--fb);background:#fff;color:var(--text)}
.fgroup textarea{min-height:110px;resize:vertical}
.fgroup small{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
/* cta band */
.ctaband{background:linear-gradient(rgba(9,42,43,.86),rgba(9,42,43,.9)),url('../site-assets/13-cta-abstract-bg.png') center/cover;color:#fff;text-align:center;padding:120px 0}
.ctaband h2{font-size:40px;color:#fff;margin-bottom:14px}
.ctaband p{opacity:.9;margin-bottom:36px}
/* footer */
footer{background:var(--ink);color:#A9C0BB;padding:72px 0 36px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
footer h4{font-family:var(--fd);color:#fff;margin-bottom:16px;font-size:18px}
footer a{display:block;margin-bottom:10px;color:#A9C0BB}
footer a:hover{color:#D9BC77}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:28px;text-align:center;font-size:12px;opacity:.65}
/* sticky rfq + whatsapp */
.sticky-rfq{position:fixed;right:20px;bottom:20px;width:300px;background:#fff;border-radius:16px;border:1px solid var(--hairline);box-shadow:0 16px 48px rgba(15,61,62,.18);padding:22px;z-index:200}
.sticky-rfq h4{font-family:var(--fd);font-size:17px;color:var(--ink);margin-bottom:14px}
.sticky-rfq input,.sticky-rfq select{width:100%;padding:10px 12px;border:1px solid var(--hairline);border-radius:8px;font-size:13px;margin-bottom:9px;font-family:var(--fb);background:var(--bg)}
.sticky-rfq .btn{width:100%;padding:12px;font-size:14px}
.wa-float{position:fixed;left:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.22);transition:transform .2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px;fill:#fff}
@media(max-width:960px){
  section{padding:72px 0}
  h1{font-size:34px}.pagehero h1{font-size:34px}h2{font-size:27px}
  .nav-links{display:none}
  .grid2,.grid3,.grid4,.form-grid{grid-template-columns:1fr}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .sticky-rfq{width:calc(100% - 40px)}
  .foot-grid{grid-template-columns:1fr 1fr}
}