/* ===== NeuroLabs — rebuilt to the official site-map spec =====
   Primary navy #1a3a6e · bright blue buttons · cyan accent (from logo)
   Bold uppercase product names · clean sans-serif body
============================================================ */
:root{
  --navy:#1a3a6e;            /* brand primary */
  --navy-deep:#102a52;       /* hero / footer bg */
  --navy-soft:#26498a;
  --blue:#1773e0;            /* bright blue buttons */
  --blue-dark:#125bb5;
  --cyan:#2ba6e6;            /* logo accent */
  --cyan-light:#5cc8f5;
  --ink:#1f2733;
  --gray:#566173;
  --gray-soft:#8a93a3;
  --line:#e4e8ef;
  --bg:#ffffff;
  --bg-soft:#f4f6fa;
  --bg-tint:#eaf2fb;
  --green:#1f9d6b;
  --red:#e23b3b;
  --amber:#f5a623;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 22px rgba(26,58,110,.09);
  --shadow-lg:0 18px 48px rgba(16,42,82,.18);
  --grad:linear-gradient(120deg,var(--cyan) 0%,var(--navy) 100%);
  --grad-btn:linear-gradient(120deg,#2a93e6 0%,#1763cf 100%);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);background:var(--bg);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brandfont{font-family:'Geologica','Poppins',sans-serif;color:var(--navy);line-height:1.15;letter-spacing:-.01em;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.muted{color:var(--gray)}
.upper{text-transform:uppercase;letter-spacing:.02em}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Poppins',sans-serif;font-weight:600;font-size:14px;
  padding:13px 26px;border-radius:10px;border:0;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 20px rgba(23,115,224,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,115,224,.4)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-soft)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-outline-light{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.25)}
.btn-outline-light:hover{background:rgba(255,255,255,.16)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-block{width:100%}

/* ===== Marquee announcement ===== */
.marquee{background:var(--navy);color:#dce6f5;font-size:12.5px;font-weight:500;letter-spacing:.06em;overflow:hidden;white-space:nowrap}
.marquee .track{display:inline-flex;gap:50px;padding:9px 0;animation:scroll 26s linear infinite}
.marquee .track span{display:inline-flex;align-items:center;gap:10px}
.marquee .track b{color:#fff}
.marquee .dot{color:var(--cyan-light)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center}
.logo img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav a{font-weight:500;font-size:14px;color:var(--navy);padding:8px 13px;border-radius:8px;transition:.16s;display:inline-flex;align-items:center;gap:5px}
.nav a:hover,.nav a.active{color:var(--blue);background:var(--bg-tint)}
.nav .caret{font-size:9px;opacity:.6}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:6px}
.icon-btn{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;color:var(--navy);background:transparent;border:0;cursor:pointer;position:relative;transition:.16s}
.icon-btn:hover{background:var(--bg-soft);color:var(--blue)}
.cart-count{position:absolute;top:5px;right:5px;background:var(--blue);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:9px;display:grid;place-items:center;padding:0 3px}
.burger{display:none}
.has-mega{position:relative}
.mega{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;display:none;min-width:200px;z-index:60}
.has-mega:hover .mega{display:block}
.mega a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px}
@media(max-width:980px){.nav{display:none}.burger{display:grid}}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#fff;padding:72px 0 80px;background:
   radial-gradient(800px 460px at 85% -10%,rgba(43,166,230,.28),transparent 60%),
   radial-gradient(620px 380px at 5% 110%,rgba(92,200,245,.16),transparent 55%),
   var(--navy-deep)}
.hero:before{content:"";position:absolute;inset:0;background-image:
   linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
   background-size:46px 46px;mask:radial-gradient(700px 400px at 70% 30%,#000,transparent 75%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:48px;font-weight:700;letter-spacing:-.02em}
.hero h1 .hl{background:linear-gradient(120deg,#7fe0ff,#3aa6ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#bcccea;font-size:17px;max-width:520px;margin:18px 0 26px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:#dbe6fa;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:7px 14px;border-radius:999px}
.pill svg{color:var(--cyan-light)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:flex;gap:30px;margin-top:32px}
.hero-stats .num{font-family:'Geologica',sans-serif;font-weight:700;font-size:25px;color:#fff}
.hero-stats .lbl{font-size:12px;color:#90a0c2}
.hero-visual{position:relative}
.vial-card{background:linear-gradient(160deg,#1c3a6c,#15294d);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:26px;box-shadow:var(--shadow-lg)}
.vial-card .vc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.vc-badge{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-light);background:rgba(92,200,245,.14);padding:5px 11px;border-radius:999px}
.vc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.vc-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:13px}
.vc-item .vc-name{font-size:12.5px;font-weight:600;color:#fff;margin-bottom:6px}
.vc-item .vc-price{font-size:13px;color:var(--cyan-light);font-weight:600}
.vc-item .vc-old{font-size:11px;color:#6f80a3;text-decoration:line-through;margin-left:5px}
@media(max-width:980px){.hero .container{grid-template-columns:1fr;gap:34px}.hero h1{font-size:36px}.hero-visual{order:-1;max-width:430px}}

/* ===== Sections ===== */
.section{padding:62px 0}
.section.tint{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:680px;margin:0 auto 38px}
.sec-head h2{font-size:31px;font-weight:700}
.sec-head p{color:var(--gray);margin-top:10px;font-size:15.5px}
.row-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;gap:16px}
.row-head h2{font-size:27px}

/* ===== Category tiles ===== */
.cat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:720px){.cat-tiles{grid-template-columns:1fr}}
.cat-tile{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--grad);min-height:180px;display:flex;align-items:flex-end;padding:24px;color:#fff;transition:.2s}
.cat-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cat-tile:nth-child(2){background:linear-gradient(120deg,#2ba6e6,#155bb0)}
.cat-tile:nth-child(3){background:linear-gradient(120deg,#1f6fd0,#16306a)}
.cat-tile .ct-ic{position:absolute;top:20px;right:20px;opacity:.5}
.cat-tile h3{color:#fff;font-size:21px;text-transform:uppercase;letter-spacing:.02em}
.cat-tile .ct-count{font-size:12.5px;color:rgba(255,255,255,.85);margin-top:4px}
.cat-tile .ct-go{position:absolute;bottom:24px;right:24px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;transition:.18s}
.cat-tile:hover .ct-go{background:rgba(255,255,255,.32)}

/* ===== Product grid + cards ===== */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:1000px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr);gap:14px}.grid.cols-3{grid-template-columns:1fr}}
@media(max-width:420px){.grid{grid-template-columns:1fr}}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bcd6f3}
.card-media{position:relative;aspect-ratio:1/1;background:#fff;display:grid;place-items:center;overflow:hidden}
.card-media .prod-img{width:100%;height:100%;object-fit:contain;padding:8px;transition:.3s}
.card:hover .card-media .prod-img{transform:scale(1.05)}
.prod-img.img-fallback{object-fit:contain;padding:26%!important;opacity:.4}
.card-media svg{width:100%;height:100%}
.badges{position:absolute;top:10px;left:10px;display:flex;flex-direction:column;gap:6px;z-index:2}
.badge{font-size:11px;font-weight:700;letter-spacing:.02em;padding:4px 9px;border-radius:999px;color:#fff}
.badge.coa{background:var(--green)}
.badge.cat{background:rgba(26,58,110,.8);font-weight:600}
.badge.out{background:var(--red)}
.disc-badge{position:absolute;top:10px;right:10px;z-index:2;width:48px;height:48px;border-radius:50%;
  background:var(--navy);color:#fff;display:grid;place-items:center;font-family:'Geologica',sans-serif;
  font-weight:700;font-size:13px;box-shadow:0 4px 12px rgba(26,58,110,.35)}
.sold-overlay{position:absolute;inset:0;z-index:3;display:grid;place-items:center;background:rgba(255,255,255,.55)}
.sold-overlay span{background:var(--red);color:#fff;font-weight:700;font-size:13px;letter-spacing:.05em;padding:7px 16px;border-radius:8px;transform:rotate(-6deg)}
.card-body{padding:15px 16px 18px;display:flex;flex-direction:column;flex:1;gap:8px}
.card-cat{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.card-title{font-family:'Geologica',sans-serif;font-size:14px;font-weight:700;color:var(--navy);line-height:1.3;min-height:36px;text-transform:uppercase;letter-spacing:.01em}
.card-title a:hover{color:var(--blue)}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price .now{font-family:'Geologica',sans-serif;font-weight:700;font-size:17px;color:var(--blue)}
.price .was{font-size:13px;color:var(--gray-soft);text-decoration:line-through}
.card-actions{margin-top:auto;display:flex;gap:8px}
.coa-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--green)}
.coa-link:hover{text-decoration:underline}
.stars{color:var(--amber);font-size:12px;letter-spacing:1px}
.card.is-out .card-media .prod-img,.card.is-out .card-media svg{filter:grayscale(.45) opacity(.9)}

/* ===== Features grid ===== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.features-grid{grid-template-columns:1fr}}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;transition:.2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bcd6f3}
.feature-icon{width:58px;height:58px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;background:var(--bg-tint);color:var(--blue)}
.feature-icon svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature-title{font-size:17px;font-weight:600;margin-bottom:8px}
.feature-description{color:var(--gray);font-size:13.5px;margin:0}

/* ===== Split / about ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:30px}}
.about-card{background:var(--grad);border-radius:20px;padding:38px;color:#fff;box-shadow:var(--shadow-lg)}
.about-card h3{color:#fff;font-size:21px;margin-bottom:14px}
.about-card ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:12px}
.about-card li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#eaf3ff}
.about-card li svg{flex:0 0 auto;margin-top:2px;color:#fff}
.about h2{font-size:30px}
.about p{color:var(--gray);font-size:15.5px;margin:16px 0}

/* ===== Trust strip ===== */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .container{display:flex;flex-wrap:wrap;justify-content:space-around;gap:18px;padding:20px}
.trust-item{display:flex;align-items:center;gap:11px;font-size:13.5px;font-weight:500;color:var(--navy)}
.trust-item svg{color:var(--blue);flex:0 0 auto}

/* ===== CTA ===== */
.cta{background:radial-gradient(700px 360px at 80% 0%,rgba(92,200,245,.22),transparent 60%),var(--navy-deep);
  color:#fff;border-radius:22px;padding:52px 40px;text-align:center;position:relative;overflow:hidden}
.cta h2{color:#fff;font-size:31px}
.cta p{color:#bcccea;margin:12px 0 24px;font-size:16px}
.cta .hero-cta{justify-content:center}

/* ===== Shop ===== */
.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:38px 0 32px}
.page-hero h1{font-size:34px;text-transform:uppercase;letter-spacing:.01em}
.crumb{font-size:13px;color:var(--gray-soft);margin-bottom:10px}
.crumb a:hover{color:var(--blue)}
.shop-layout{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:start}
@media(max-width:880px){.shop-layout{grid-template-columns:1fr}.sidebar{position:static}}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.side-box h4{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--navy);margin-bottom:14px}
.side-box label{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--gray);padding:5px 0;cursor:pointer}
.side-box input[type=checkbox]{accent-color:var(--blue);width:16px;height:16px}
.price-range{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--navy);font-weight:600}
.price-range input[type=range]{flex:1;accent-color:var(--blue)}
.bundle-box{background:var(--grad);color:#fff;border:0}
.bundle-box h4{color:#fff}
.bundle-box p{font-size:13px;color:#eaf3ff;margin:0 0 12px}
.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;font-weight:600;padding:9px 17px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;transition:.16s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:var(--grad-btn);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(23,115,224,.28)}
.tb-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search-box{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:999px;padding:8px 16px;background:#fff;min-width:210px}
.search-box input{border:0;outline:0;font-family:inherit;font-size:14px;width:100%;background:transparent}
.search-box svg{color:var(--gray-soft);flex:0 0 auto}
select.sort{border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-family:inherit;font-size:13px;font-weight:600;color:var(--navy);background:#fff;cursor:pointer}
.result-count{font-size:13px;color:var(--gray);margin-bottom:16px}
.empty{text-align:center;padding:60px 20px;color:var(--gray)}

/* ===== Product detail ===== */
.pd-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-size:13px}
.pd-nav a{color:var(--gray);display:inline-flex;align-items:center;gap:6px}
.pd-nav a:hover{color:var(--blue)}
.pd{display:grid;grid-template-columns:1fr 1fr;gap:46px;padding:10px 0 40px}
@media(max-width:880px){.pd{grid-template-columns:1fr;gap:26px}}
.pd-media{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;aspect-ratio:1/1;display:grid;place-items:center}
.pd-media .prod-img{width:100%;height:100%;object-fit:contain;padding:24px;cursor:zoom-in;transition:.3s}
.pd-media:hover .prod-img{transform:scale(1.08)}
.pd-media svg{width:90%;height:90%}
.pd-cat{color:var(--blue);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.pd h1{font-size:31px;margin:8px 0 12px;text-transform:uppercase}
.pd .price{margin:8px 0 14px}
.pd .price .now{font-size:27px}
.pd .price .was{font-size:16px}
.pd-stock{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;margin-bottom:6px}
.pd-stock.in{color:var(--green)}
.pd-stock.out{color:var(--red)}
.variant-select{margin:14px 0 8px}
.vs-label{font-size:13px;color:var(--gray);margin-bottom:8px}
.vs-label b{color:var(--navy)}
.vs-options{display:flex;flex-wrap:wrap;gap:8px}
.vs-opt{font-family:inherit;font-size:13px;font-weight:600;padding:9px 16px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);cursor:pointer;transition:.16s}
.vs-opt:hover{border-color:var(--blue)}
.vs-opt.sel{border-color:var(--blue);background:var(--bg-tint);color:var(--blue)}
.vs-opt.out{opacity:.45;cursor:not-allowed;text-decoration:line-through}
.save-pill{display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;vertical-align:middle}
.pd-desc{color:var(--gray);font-size:14.5px;margin:14px 0}
.bulk-table{width:100%;border-collapse:collapse;margin:18px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:13px}
.bulk-table th{background:var(--navy);color:#fff;text-align:left;padding:10px 14px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.bulk-table td{padding:11px 14px;border-top:1px solid var(--line)}
.bulk-table tr.pop td{background:var(--bg-tint)}
.bulk-table .tag{display:inline-block;background:var(--blue);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:5px;margin-left:6px}
.bulk-table .off{font-weight:700;color:var(--green)}
.loyalty{display:flex;align-items:center;gap:8px;background:#fff7e6;border:1px solid #ffe2a8;color:#9a6800;font-size:13px;font-weight:600;padding:9px 14px;border-radius:10px;margin:14px 0}
.pd-buy{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0}
.qty{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
.qty button{width:40px;height:46px;border:0;background:#fff;font-size:18px;cursor:pointer;color:var(--navy)}
.qty button:hover{background:var(--bg-soft)}
.qty input{width:46px;text-align:center;border:0;outline:0;font-family:inherit;font-size:15px;font-weight:600}
.compare-link{font-size:13px;color:var(--gray);display:inline-flex;align-items:center;gap:6px;cursor:pointer;margin-top:4px}
.compare-link:hover{color:var(--blue)}
.pd-meta{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;display:grid;gap:10px;font-size:13.5px;color:var(--gray)}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px}
.spec-table td{padding:9px 0;border-bottom:1px solid var(--line);color:var(--gray)}
.spec-table td:first-child{font-weight:600;color:var(--navy);width:42%}
.content-block{border-top:1px solid var(--line);padding-top:26px;margin-top:30px}
.content-block h3{font-size:16px;margin:22px 0 8px}
.content-block h3:first-child{margin-top:0}
.content-block p{font-size:13.5px;color:var(--gray);margin:0 0 6px}
.disclaimer-box{background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:10px;padding:14px 16px;font-size:12.5px;color:var(--gray);margin-top:8px}

/* ===== COA page ===== */
.coa-hero{background:var(--navy-deep);color:#fff;padding:54px 0 46px;text-align:center;position:relative;overflow:hidden}
.coa-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0%,rgba(43,166,230,.25),transparent 65%)}
.coa-hero .container{position:relative}
.coa-hero h1{color:#fff;font-size:36px;text-transform:uppercase;letter-spacing:.02em}
.coa-hero .sub{color:var(--cyan-light);font-weight:600;letter-spacing:.16em;font-size:13px;margin-top:8px;text-transform:uppercase}
.coa-hero p{color:#bcccea;max-width:620px;margin:14px auto 22px;font-size:15px}
.coa-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.coa-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#eaf3ff;font-size:13px;font-weight:500;padding:9px 16px;border-radius:999px}
.coa-badge svg{color:var(--cyan-light)}
.coa-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.coa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bcd6f3}
.coa-thumb{position:relative;aspect-ratio:1/1.3;background:var(--bg-soft);display:grid;place-items:center;border-bottom:1px solid var(--line);overflow:hidden}
.coa-thumb .doc{width:78%;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);aspect-ratio:1/1.3;display:flex;flex-direction:column;overflow:hidden}
.coa-thumb .doc .doc-top{background:var(--grad);height:34%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;gap:3px;padding:6px}
.coa-thumb .doc .doc-top b{font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.coa-thumb .doc .doc-top span{font-size:8px;opacity:.85}
.coa-thumb .doc .doc-lines{flex:1;padding:10px;display:flex;flex-direction:column;gap:5px}
.coa-thumb .doc .doc-lines i{height:4px;background:var(--line);border-radius:2px}
.coa-thumb .doc .doc-lines i:nth-child(odd){width:90%}.coa-thumb .doc .doc-lines i:nth-child(even){width:70%}
.coa-thumb .prod-img{width:100%;height:100%;object-fit:contain;padding:14px;background:#fff;transition:.3s}
.coa-card:hover .coa-thumb .prod-img{transform:scale(1.04)}
.coa-thumb .pdf-pill{position:absolute;top:10px;right:10px;z-index:2;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:3px 8px;border-radius:5px}
.coa-card-body{padding:15px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.coa-card-body .name{font-family:'Geologica',sans-serif;font-weight:700;font-size:14px;color:var(--navy);text-transform:uppercase}
.coa-card-body .meta{font-size:12px;color:var(--gray-soft)}
.coa-view-link{margin-top:auto;font-size:13px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:5px}
.coa-view-link:hover{gap:9px}

/* ===== Checkout ===== */
.checkout{display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:start;padding:36px 0 60px}
@media(max-width:920px){.checkout{grid-template-columns:1fr}}
.co-section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:22px}
.co-section h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.co-section .step-n{width:26px;height:26px;border-radius:50%;background:var(--grad-btn);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
@media(max-width:520px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--navy);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,115,224,.12)}
.pay-options{display:grid;gap:12px}
.pay-opt{display:flex;align-items:center;gap:14px;border:1.5px solid var(--line);border-radius:12px;padding:15px 16px;cursor:pointer;transition:.16s;position:relative}
.pay-opt:hover{border-color:#bcd6f3}
.pay-opt.sel{border-color:var(--blue);background:var(--bg-tint)}
.pay-opt input{position:absolute;opacity:0}
.pay-ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;background:var(--bg-soft)}
.pay-ic svg{width:24px;height:24px}
.pay-opt .pt{font-weight:600;font-size:14.5px;color:var(--navy)}
.pay-opt .ps{font-size:12.5px;color:var(--gray)}
.pay-opt .check{margin-left:auto;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);flex:0 0 auto;display:grid;place-items:center;transition:.16s}
.pay-opt.sel .check{border-color:var(--blue);background:var(--blue);color:#fff}
.pay-detail{display:none;background:var(--bg-soft);border:1px dashed var(--line);border-radius:10px;padding:14px 16px;margin-top:6px;font-size:13px;color:var(--gray)}
.pay-detail.show{display:block}
.pay-detail .copy-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px solid var(--line)}
.pay-detail .copy-row:last-child{border:0}
.pay-detail code{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;color:var(--navy);font-weight:600}
.mini-copy{cursor:pointer;color:var(--blue);font-size:12px;font-weight:600}
/* order summary */
.order-summary{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.order-summary h3{font-size:17px;margin-bottom:16px}
.os-row{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.os-row .os-img{width:52px;height:52px;border-radius:9px;background:#fff;border:1px solid var(--line);flex:0 0 auto;overflow:hidden}
.os-row .os-img .prod-img{width:100%;height:100%;object-fit:contain}
.os-row .os-name{font-size:13px;font-weight:600;color:var(--navy);line-height:1.3}
.os-row .os-q{font-size:12px;color:var(--gray)}
.os-row .os-price{margin-left:auto;font-weight:600;color:var(--navy);font-size:13.5px;white-space:nowrap}
.os-totals{margin-top:14px;display:grid;gap:8px;font-size:13.5px}
.os-totals .r{display:flex;justify-content:space-between;color:var(--gray)}
.os-totals .grand{display:flex;justify-content:space-between;font-family:'Geologica',sans-serif;font-weight:700;font-size:19px;color:var(--navy);border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.ship-note{font-size:12px;color:var(--green);font-weight:600;margin-top:8px;display:flex;align-items:center;gap:6px}

/* ===== Order confirm modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(16,42,82,.55);backdrop-filter:blur(3px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:20px;max-width:480px;width:100%;overflow:hidden;box-shadow:var(--shadow-lg);animation:pop .25s ease}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-top{background:var(--grad);color:#fff;padding:30px 28px;text-align:center;position:relative}
.modal-top .check-ring{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;margin:0 auto 14px;animation:ring 2s infinite}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.3)}50%{box-shadow:0 0 0 12px rgba(255,255,255,0)}}
.modal-top h3{color:#fff;font-size:22px}
.modal-top p{color:#eaf3ff;font-size:13.5px;margin-top:6px}
.modal-top .ord-id{display:inline-block;background:rgba(255,255,255,.2);padding:5px 14px;border-radius:999px;font-family:'Geologica',sans-serif;font-weight:700;letter-spacing:.05em;margin-top:12px}
.modal-body{padding:24px 28px 28px}
.modal-body .ask{text-align:center;font-size:14px;color:var(--navy);font-weight:600;margin-bottom:6px}
.modal-body .sub{text-align:center;font-size:12.5px;color:var(--gray);margin-bottom:18px}
.confirm-channels{display:grid;gap:11px}
.ch-btn{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;color:#fff;font-weight:600;font-size:14.5px;transition:.16s}
.ch-btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
.ch-btn svg{flex:0 0 auto}
.ch-btn .ch-sub{font-size:11.5px;font-weight:400;opacity:.9;display:block}
.ch-wa{background:#25d366}
.ch-tg{background:#2aabee}
.ch-em{background:var(--navy)}
.ch-arrow{margin-left:auto}
.copy-summary{margin-top:14px;text-align:center}
.copy-summary button{background:none;border:0;color:var(--blue);font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.modal-close{position:absolute;top:14px;right:14px;color:#fff;background:rgba(255,255,255,.15);border:0;width:34px;height:34px;border-radius:9px;cursor:pointer;display:grid;place-items:center}

/* ===== Floating widgets ===== */
/* cart sits bottom-LEFT so it never collides with the bottom-right live-chat bubble */
.fab-cart{position:fixed;bottom:20px;left:20px;z-index:80;width:56px;height:56px;border-radius:50%;background:var(--navy);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-lg);transition:.18s}
.fab-cart:hover{transform:translateY(-3px);background:var(--navy-soft)}
.fab-cart .cart-count{top:2px;right:2px}

/* ===== Footer ===== */
.footer{background:var(--navy-deep);color:#a8b6d2;padding:52px 0 24px;font-size:14px}
.footer a{color:#a8b6d2}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.footer-grid{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer .f-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer .f-logo img{height:38px;filter:brightness(0) invert(1)}
.footer .f-about{max-width:300px;margin:0 0 16px;color:#8492b3;line-height:1.7}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:20px;color:#7886a6;font-size:12.5px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.06);transition:.16s}
.foot-social a:hover{background:var(--blue);color:#fff}
.ruo{background:#0c1f3d;color:#647499;font-size:11.5px;text-align:center;padding:14px 20px;line-height:1.7}
.ruo b{color:#92a1c0}

/* ===== Cart drawer ===== */
.drawer-overlay{position:fixed;inset:0;background:rgba(16,42,82,.5);opacity:0;visibility:hidden;transition:.25s;z-index:90}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:-420px;width:380px;max-width:90vw;height:100%;background:#fff;z-index:100;display:flex;flex-direction:column;transition:right .28s cubic-bezier(.4,0,.2,1);box-shadow:-10px 0 40px rgba(0,0,0,.2)}
.drawer.open{right:0}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:18px}
.drawer-body{flex:1;overflow:auto;padding:16px 20px}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line)}
.cart-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}
.cart-row .cr-img{width:54px;height:54px;border-radius:10px;background:#fff;border:1px solid var(--line);flex:0 0 auto;overflow:hidden}
.cart-row .cr-img .prod-img{width:100%;height:100%;object-fit:contain}
.cart-row .cr-name{font-size:13px;font-weight:600;color:var(--navy)}
.cart-row .cr-meta{font-size:12.5px;color:var(--gray)}
.cart-row .cr-rm{margin-left:auto;color:var(--gray-soft);cursor:pointer;background:none;border:0;font-size:18px}
.cart-empty{text-align:center;color:var(--gray);padding:50px 10px}
.cart-total{display:flex;justify-content:space-between;font-weight:700;font-family:'Geologica',sans-serif;color:var(--navy);font-size:18px;margin-bottom:14px}

/* mobile nav */
.mobile-nav{display:none;flex-direction:column;gap:2px;padding:10px 22px 18px;border-bottom:1px solid var(--line);background:#fff}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:11px 12px;border-radius:8px;font-weight:500;color:var(--navy)}
.mobile-nav a:hover{background:var(--bg-tint);color:var(--blue)}

.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:12px 22px;border-radius:999px;font-size:13.5px;font-weight:500;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:.25s;z-index:120}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* cookie banner */
.cookie{position:fixed;bottom:0;left:0;right:0;z-index:85;background:var(--navy);color:#dce6f5;padding:12px 20px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:13px;flex-wrap:wrap}
.cookie a{color:var(--cyan-light)}
.cookie button{background:var(--blue);color:#fff;border:0;border-radius:8px;padding:8px 18px;font-family:inherit;font-weight:600;font-size:13px;cursor:pointer}
.cookie.hide{display:none}

/* ============================================================
   BLOG / RESEARCH HUB (server-rendered pillars + clusters)
============================================================ */
.hub-intro{max-width:680px;color:var(--gray);font-size:16px;line-height:1.6;margin-top:10px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.blog-grid{grid-template-columns:1fr}}
.blog-card{display:flex;flex-direction:column;gap:9px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--cyan-light)}
.blog-card .bc-tag{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-dark);background:var(--bg-tint);padding:4px 10px;border-radius:999px}
.blog-card h3{margin:2px 0 0;font-size:17px;line-height:1.3;color:var(--navy)}
.blog-card p{margin:0;color:var(--gray);font-size:13.5px;line-height:1.55;flex:1}
.blog-card .bc-more{font-size:13px;font-weight:600;color:var(--blue)}

/* Article */
.article{padding:40px 0 20px}
.article-wrap{max-width:760px}
.article .crumb{margin-bottom:14px}
.article-cat{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-dark);background:var(--bg-tint);padding:5px 12px;border-radius:999px;margin-bottom:10px}
.article-wrap>h1{font-size:clamp(28px,4vw,40px);line-height:1.15;color:var(--navy);margin:6px 0 22px}
.article-body{font-size:16.5px;line-height:1.75;color:var(--ink)}
.article-body h2{font-size:25px;line-height:1.25;color:var(--navy);margin:34px 0 12px}
.article-body h3{font-size:19px;line-height:1.3;color:var(--navy-deep);margin:26px 0 8px}
.article-body p{margin:0 0 16px}
.article-body a{color:var(--blue-dark);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:var(--blue)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body li{margin:0 0 8px}
.article-body blockquote{margin:20px 0;padding:14px 20px;border-left:4px solid var(--cyan);background:var(--bg-soft);border-radius:0 10px 10px 0;color:var(--gray);font-style:italic}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-tint);color:var(--navy);font-weight:600}
.article-body strong{color:var(--navy-deep)}
.article-body img{max-width:100%;border-radius:12px}

.article-products,.article-faq,.article-related{max-width:760px;margin-top:38px}
.article-products h2,.article-faq h2,.article-related h2{font-size:22px;color:var(--navy);margin:0 0 14px}
.ap-links{display:flex;flex-wrap:wrap;gap:10px}
.ap-chip{display:inline-block;text-transform:capitalize;font-weight:600;font-size:14px;color:var(--blue-dark);background:var(--bg-tint);border:1px solid var(--line);padding:9px 15px;border-radius:999px;text-decoration:none}
.ap-chip:hover{background:var(--cyan-light);color:#fff;border-color:var(--cyan-light)}
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:var(--bg)}
.faq-item summary{cursor:pointer;padding:14px 16px;font-weight:600;color:var(--navy);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--blue);font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item>div{padding:0 16px 15px;color:var(--gray);line-height:1.65}
.ruo-note{max-width:760px;margin:36px 0 0;padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);font-size:13px;color:var(--gray);line-height:1.6}
.ruo-note b{color:var(--navy)}

/* per-product research articles on the PDP */
.pd-articles{margin-top:38px;padding-top:30px;border-top:1px solid var(--line)}
.pd-articles .sec-head{margin-bottom:18px}