:root{
  --blue:#1e62d0; --blue2:#1747a0; --navy:#0e1a30; --ink:#121826; --muted:#5b6575;
  --line:#e6e9ef; --bg:#ffffff; --soft:#f5f7fa; --silver:#dfe3ea; --logo-bg:#e6e8e7;
  --ok:#10b981; --amber:#f59e0b;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;line-height:1.5}
h1,h2,h3,.brandmark{font-family:'Sora','Inter',sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-family:'Inter';font-weight:600;font-size:15px;border-radius:11px;padding:12px 22px;transition:.15s}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue2)}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn.sm{padding:9px 14px;font-size:13.5px;border-radius:9px}
.btn.lg{padding:15px 32px;font-size:16px}

/* announcement */
.anno{background:var(--navy);color:#cfe0ff;text-align:center;font-size:12.5px;letter-spacing:.02em;padding:7px 12px}
.anno b{color:#fff}

/* header */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.brandmark{display:flex;align-items:baseline;gap:0;font-weight:800;font-size:22px;letter-spacing:-.01em;color:var(--navy)}
.brandmark .pep{margin-left:8px;background:var(--blue);color:#fff;font-size:12px;font-weight:700;letter-spacing:.16em;
  padding:3px 8px;border-radius:5px;transform:translateY(-2px)}
.menu{display:flex;gap:22px;margin-left:14px}
.menu a{font-size:14.5px;font-weight:500;color:var(--muted)}
.menu a:hover{color:var(--ink)}
.menu a.active{color:var(--ink)}
.navr{margin-left:auto;display:flex;align-items:center;gap:10px}
.cartbtn{position:relative;background:var(--soft);border:1px solid var(--line);border-radius:11px;
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:19px}
.cartbtn .count{position:absolute;top:-7px;right:-7px;background:var(--blue);color:#fff;font-size:11px;font-weight:700;
  min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px}

/* hero */
.hero{background:radial-gradient(1200px 500px at 15% -10%,#eaf1ff 0%,rgba(234,241,255,0) 60%),linear-gradient(180deg,#fbfcfe,#fff)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:64px 20px 60px}
.hero .pill{display:inline-flex;align-items:center;gap:7px;background:#eaf1ff;color:var(--blue2);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:20px;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.08;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.hero h1 .hl{color:var(--blue)}
.hero p.sub{font-size:17px;color:var(--muted);margin:16px 0 26px;max-width:480px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .mini{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}
.hero .mini div{font-size:13px;color:var(--muted)}
.hero .mini b{display:block;font-family:'Sora';font-size:19px;color:var(--ink)}
.logopanel{background:linear-gradient(160deg,#eef0ef,#e2e5e4);border:1px solid #d7dbda;border-radius:22px;
  padding:26px;box-shadow:0 20px 50px -24px rgba(14,26,48,.35);display:flex;align-items:center;justify-content:center}
.logopanel img{border-radius:10px}

/* value strip */
.values{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--soft)}
.values .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 20px}
.value{display:flex;align-items:center;gap:11px}
.value .ic{width:38px;height:38px;border-radius:10px;background:#eaf1ff;color:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.value b{display:block;font-size:14px}
.value span{font-size:12.5px;color:var(--muted)}

/* section */
section{padding:60px 0}
.shead{text-align:center;max-width:620px;margin:0 auto 38px}
.shead .k{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue)}
.shead h2{font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--navy);margin:8px 0 8px}
.shead p{color:var(--muted);font-size:15.5px}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid.g3{grid-template-columns:repeat(3,1fr);max-width:820px;margin:0 auto}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.16s}
.card:hover{box-shadow:0 16px 40px -20px rgba(14,26,48,.28);transform:translateY(-2px);border-color:#d7deea}
.card .ph{background:linear-gradient(170deg,#f3f6fb,#e9eef6);padding:18px;display:flex;align-items:center;justify-content:center;position:relative}
.card .tag{position:absolute;top:12px;left:12px;background:var(--navy);color:#fff;font-size:10.5px;font-weight:700;
  letter-spacing:.08em;padding:4px 9px;border-radius:20px}
.card .body{padding:15px 16px 16px;display:flex;flex-direction:column;flex:1}
.card h3{font-family:'Inter';font-size:16px;font-weight:700;letter-spacing:-.01em}
.card .dose{font-size:12.5px;color:var(--muted);margin-top:2px;min-height:17px}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:10px}
.card .price{font-family:'Sora';font-size:21px;font-weight:700;color:var(--navy)}
.card .price small{font-size:12px;color:var(--muted);font-weight:500}
.goshop{text-align:center;margin-top:40px}

/* brand showcase */
.showcase{background:var(--navy);color:#fff}
.showcase .wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:60px 20px}
.showcase h2{font-size:30px;font-weight:800;letter-spacing:-.02em}
.showcase p{color:#a9b6cc;margin-top:14px;font-size:15.5px}
.showcase ul{list-style:none;margin-top:20px;display:grid;gap:12px}
.showcase li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#d7deea}
.showcase li .ck{color:#5fd0a8;flex:none;margin-top:2px}
.showcase .panel{background:linear-gradient(160deg,#eef0ef,#e2e5e4);border-radius:20px;padding:24px;display:flex;justify-content:center}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin-bottom:12px;background:#fff}
.qa b{font-family:'Sora';font-size:15.5px;color:var(--navy)}
.qa p{color:var(--muted);font-size:14px;margin-top:6px}

/* footer */
footer{background:#0b1424;color:#9fb0cc;font-size:13.5px}
footer .wrap{padding:52px 20px 30px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:30px;border-bottom:1px solid #1c2942}
.fgrid h4{color:#fff;font-family:'Sora';font-size:15px;margin-bottom:12px}
.fgrid a{display:block;color:#9fb0cc;margin-bottom:8px}
.fgrid a:hover{color:#fff}
.disclaimer{padding:22px 0 6px;color:#6f80a0;font-size:12px;line-height:1.6}
.copyright{padding-top:14px;color:#6f80a0;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* cart drawer */
.overlay{position:fixed;inset:0;background:rgba(8,14,26,.5);opacity:0;pointer-events:none;transition:.2s;z-index:80}
.overlay.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:400px;max-width:92vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:.25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:-20px 0 60px -20px rgba(0,0,0,.4)}
.drawer.on{transform:translateX(0)}
.drawer .dh{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}
.drawer .dh h3{font-size:18px}
.drawer .x{background:var(--soft);border:0;width:36px;height:36px;border-radius:9px;font-size:18px;cursor:pointer}
.drawer .items{flex:1;overflow-y:auto;padding:8px 20px}
.citem{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.citem .thumb{width:54px;height:54px;border-radius:9px;background:linear-gradient(170deg,#f3f6fb,#e9eef6);flex:none;display:flex;align-items:center;justify-content:center}
.citem .info{flex:1;min-width:0}
.citem .info b{font-size:14px;font-weight:600;display:block}
.citem .info span{font-size:12px;color:var(--muted)}
.qty{display:inline-flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:8px;margin-top:7px}
.qty button{background:#fff;border:0;width:26px;height:26px;cursor:pointer;font-size:15px;color:var(--ink)}
.qty span{min-width:26px;text-align:center;font-size:13px;font-weight:600}
.citem .pr{text-align:right;font-weight:700;font-size:14px;white-space:nowrap}
.citem .rm{display:block;margin-top:8px;font-size:11.5px;color:#c0392b;cursor:pointer;background:0;border:0;text-align:right;width:100%}
.cempty{text-align:center;color:var(--muted);padding:50px 20px;font-size:14px}
.dfoot{padding:18px 20px calc(18px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.dfoot .tot{display:flex;justify-content:space-between;font-size:16px;margin-bottom:6px}
.dfoot .tot b{font-family:'Sora';font-size:20px}
.dfoot .note{font-size:11.5px;color:var(--muted);margin:8px 0 12px}

/* checkout */
.checkout{max-width:920px;margin:0 auto;display:grid;grid-template-columns:1.2fr .9fr;gap:28px;align-items:start}
.cofield{margin-bottom:14px}
.cofield label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--navy)}
.cofield input,.cofield textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;color:var(--ink)}
.cofield input:focus,.cofield textarea:focus{outline:none;border-color:var(--blue)}
.cosum{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:20px}
.cosum h3{font-size:16px;margin-bottom:12px}
.coline{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:8px 0;border-bottom:1px solid var(--line)}
.cototal{display:flex;justify-content:space-between;font-family:'Sora';font-weight:700;font-size:18px;margin-top:12px;color:var(--navy)}
.ordok{max-width:640px;margin:0 auto;text-align:center}
.ordnum{font-family:'Sora';font-size:28px;font-weight:800;color:var(--blue);letter-spacing:.02em;margin:4px 0 4px}
.zelle{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:20px}
.zelle .big{font-family:'Sora';font-size:22px;font-weight:800;color:var(--navy)}
.memo{background:var(--soft);border:1px dashed #b9c2d4;border-radius:10px;padding:12px;font-size:13px;margin-top:10px;white-space:pre-wrap;word-break:break-word;color:var(--ink)}
@media(max-width:760px){.checkout{grid-template-columns:1fr}.cosum{order:-1}}

/* age / research-use gate */
.gate{position:fixed;inset:0;z-index:200;background:rgba(8,12,24,.75);backdrop-filter:blur(4px);
  display:flex;align-items:flex-start;justify-content:center;padding:5vh 16px;overflow-y:auto}
.gatecard{width:100%;max-width:560px;background:#fff;border-radius:20px;overflow:hidden;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.6)}
.gatehd{background:linear-gradient(150deg,#141d33,#0e1a30 60%,#1a2c56);color:#fff;padding:26px 28px 24px}
.gatehd .brandmark{color:#fff;margin-bottom:16px}
.gatehd h2{font-size:24px;font-weight:800;line-height:1.15;letter-spacing:-.01em}
.gatehd h2 .mut{color:#aab8d4;font-weight:700}
.gatebody{padding:24px 28px 26px}
.gatebody>p{color:var(--muted);font-size:14px;line-height:1.55;margin-bottom:18px}
.gaterow{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);
  font-size:14.5px;line-height:1.45;cursor:pointer}
.gaterow input{margin-top:2px;width:20px;height:20px;flex:none;accent-color:var(--blue);cursor:pointer}
.gaterow a{color:var(--blue);text-decoration:underline}
.gatebtns{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.gatebtns .btn{width:100%}
.gatebtns .btn.primary:disabled{background:#c7d0e6;cursor:not-allowed}
.gatenote{text-align:center;color:var(--muted);font-size:12px;margin-top:16px}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding:44px 20px}
  .logopanel{order:-1}
  .hero h1{font-size:34px}
  .values .wrap{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid.g3{grid-template-columns:repeat(2,1fr)}
  .showcase .wrap{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .menu{display:none}
}
@media(max-width:560px){
  .grid,.grid.g3{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero h1{font-size:29px}
  .card h3{font-size:14.5px}
  .fgrid{grid-template-columns:1fr}
  .navr .hidesm{display:none}
}

/* sale price + automatic bulk discount */
.pricewrap{display:inline-flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.was{font-family:'Sora';font-size:15px;color:var(--muted);text-decoration:line-through;font-weight:600}
.save{background:#eafaf3;color:#0b7a55;border:1px solid #bfead9;font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:20px;letter-spacing:.02em;white-space:nowrap}
.citem .lsave{font-size:11px;color:var(--ok);font-weight:600;margin-top:2px}
.dfoot .csaved{display:flex;justify-content:space-between;font-size:13px;color:var(--ok);font-weight:600;margin-bottom:6px}