/* ===========================================================
   PUROTIDE — Design System  ·  Direction A: Pharmaceutical Tech
   Light, precise, premium-through-restraint.
   =========================================================== */
:root{
  --paper:#FBFBF9; --white:#FFFFFF; --surface:#FFFFFF; --surface-2:#F4F5F3; --surface-3:#EFF0ED;
  --ink:#0E1116; --ink-soft:#1C2128; --sub:#566070; --muted:#566070; --muted-2:#8A93A2;
  --line:#E9E9E3; --line-2:#DCDCD4; --line-3:#C9C9C0;
  --accent:#0B8A72; --accent-deep:#0A6F5C; --accent-soft:#E7F4F0; --accent-ink:#FFFFFF;
  --signal:#0E1116;
  --mono:ui-monospace,'SF Mono','SFMono-Regular',Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(14,17,22,.04),0 8px 30px rgba(14,17,22,.06);
  --shadow-lg:0 30px 60px rgba(14,17,22,.12);
  --r-sm:8px; --r:12px; --r-lg:16px; --r-xl:22px;
  --maxw:1200px; --nav-h:70px;
  --ease:cubic-bezier(.22,.7,.2,1);
  /* back-compat aliases so existing pages adopt the light theme */
  --brand:var(--accent); --brand-2:var(--accent); --brand-ink:#fff;
  --bg:var(--paper); --bg-2:var(--white); --panel:var(--white); --panel-2:var(--surface-2);
  --text:var(--ink); --grad:var(--accent); --grad-soft:var(--accent-soft); --glow:none; --cyan:var(--accent);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,.display{font-family:'Sora','Inter',sans-serif;font-weight:700;line-height:1.05;letter-spacing:-.025em;color:var(--ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.grad-text{color:var(--accent)}
.muted{color:var(--muted)}
.center{text-align:center}

/* atmosphere: removed glow; keep a faint technical grid */
.bg-atmos{display:none}
.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(180deg,#000,transparent 60%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 60%)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Sora',sans-serif;font-weight:600;font-size:14.5px;padding:13px 24px;border-radius:var(--r-sm);border:1px solid transparent;transition:.24s var(--ease);white-space:nowrap;line-height:1}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:var(--white)}
.btn-ghost:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep)}
.btn-block{width:100%}.btn-sm{padding:10px 18px;font-size:13.5px}.btn-lg{padding:16px 30px;font-size:15.5px}

/* Eyebrow / chips — mono, technical */
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.6}
.eyebrow.c::before{display:none}
.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid var(--line-2);border-radius:100px;font-size:12.5px;color:var(--ink);background:var(--white);font-family:var(--mono);letter-spacing:.02em}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}

/* Top announcement bar — slim ink */
.topbar{position:relative;z-index:60;background:var(--ink);overflow:hidden}
.topbar .track{display:flex;width:100%;overflow:hidden}
.topbar .mq-content{animation-duration:46s}
.topbar:hover .mq-content{animation-play-state:paused}
.topbar span{display:inline-flex;align-items:center;font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.1em;color:#C4CAD3;padding:9px 0;text-transform:uppercase}
.topbar .sep{color:var(--accent);padding:0 24px;opacity:.9}
@keyframes marq{to{transform:translateX(-50%)}}

/* Nav */
.nav-outer{position:sticky;top:0;z-index:55;transition:.3s;background:rgba(251,251,249,.85);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
.nav-outer.scrolled{border-color:var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;font-family:'Sora';font-weight:700;font-size:20px;letter-spacing:-.01em;color:var(--ink)}
.brand .mk{width:28px;height:32px;flex:0 0 28px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14.5px;color:var(--sub);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--accent);transition:.25s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{position:relative;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--white);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:.2s}
.icon-btn:hover{border-color:var(--ink)}
.cart-count{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;font-family:var(--mono)}
.menu-btn{display:none;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--white);color:var(--ink);font-size:17px}
.mobile-menu{position:fixed;inset:0;z-index:80;background:var(--paper);display:none;flex-direction:column;padding:24px}
.mobile-menu.open{display:flex}
.mobile-menu .mm-links{display:flex;flex-direction:column;gap:4px;margin-top:28px}
.mobile-menu .mm-links a{font-family:'Sora';font-size:23px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line)}

/* Sections */
section{position:relative;z-index:2}
.block{padding:100px 0}.block-sm{padding:66px 0}
.sec-head{max-width:660px;margin:0 auto 50px}
.sec-head.left{margin-left:0}
.sec-head h2{font-size:clamp(30px,3.8vw,46px);margin:16px 0 14px}
.sec-head p{color:var(--muted);font-size:17px}

/* Cards */
.glass{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white)}
.card{padding:32px 28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);transition:.28s var(--ease);position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.card .topline{position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:.4s var(--ease)}
.card:hover .topline{transform:scaleX(1)}
.feat-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent-deep);margin-bottom:22px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.05em}

/* Product cards */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.product{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--white);transition:.26s var(--ease);display:flex;flex-direction:column;position:relative}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.product .pimg{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:#f5f5f7;overflow:hidden}
.product .pimg img{width:100%;height:100%;object-fit:contain;padding:7%;transition:.5s var(--ease)}
.product:hover .pimg img{transform:scale(1.04)}
.product .badges{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:flex-start;gap:8px;z-index:2}
.badge{font-size:10.5px;font-weight:500;letter-spacing:.04em;padding:5px 9px;border-radius:5px;font-family:var(--mono);text-transform:uppercase}
.badge.sale{background:var(--ink);color:#fff}
.badge.pop{background:var(--accent-soft);color:var(--accent-deep);border:1px solid #CFE7E0}
.badge.cat{background:var(--white);color:var(--muted);border:1px solid var(--line-2)}
/* vial fallback (light, line style) */
.vialfx{width:46%;height:72%;position:relative;display:flex;align-items:flex-end;justify-content:center}
.vialfx .glassv{width:56px;height:142px;border-radius:26px 26px 10px 10px;background:var(--white);border:2px solid var(--ink);position:relative;overflow:hidden}
.vialfx .glassv::after{content:"";position:absolute;left:5px;right:5px;bottom:5px;height:54%;border-radius:0 0 7px 7px;background:var(--accent)}
.vialfx .capv{position:absolute;top:-8px;left:50%;transform:translateX(-50%);width:34px;height:13px;border-radius:4px;background:var(--ink)}
.product .pinfo{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.product .ptag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.product h3,.product .pname{font-family:'Sora';font-size:17px;font-weight:600;margin:7px 0 3px;letter-spacing:-.01em;color:var(--ink)}
.product .pdesc{font-size:13px;color:var(--muted-2);min-height:34px}
.product .pmeta{display:flex;align-items:center;gap:8px;margin:12px 0;font-size:11.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em}
.product .pmeta .pp{color:var(--accent)}
.product .prow{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.product .price{font-family:'Sora';font-weight:700;font-size:19px}
.product .price s{color:var(--muted-2);font-size:13px;font-weight:400;margin-left:6px}
.add-btn{width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--white);color:var(--ink);display:flex;align-items:center;justify-content:center;transition:.2s}
.add-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* Trust strip */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);padding:22px 0;overflow:hidden}
.trust-track{display:flex;width:100%;overflow:hidden}
.mq-content{flex-shrink:0;display:flex;align-items:center;min-width:100%;justify-content:space-around;white-space:nowrap;animation:scrollX 34s linear infinite;will-change:transform}
@keyframes scrollX{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.trust-track span{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--muted-2);letter-spacing:.06em;padding:0 22px}
.trust-strip:hover .mq-content{animation-play-state:paused}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--white)}
.stat{padding:34px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{font-family:'Sora';font-size:40px;font-weight:700;color:var(--ink)}
.stat .lab{color:var(--muted);font-size:13.5px;margin-top:6px}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Toast */
.toast-wrap{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r);background:var(--ink);color:#fff;box-shadow:var(--shadow-lg);font-size:14px;transform:translateX(120%);transition:.45s var(--ease);max-width:340px}
.toast.show{transform:none}
.toast .ti{width:28px;height:28px;border-radius:7px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 28px}
.toast .ti+div div:last-child{color:#aeb6c2}

/* Footer — ink */
footer{position:relative;z-index:2;background:var(--ink);color:#C4CAD3;margin-top:90px;padding:64px 0 32px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:46px}
.foot-grid h5{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#7C8694;margin-bottom:18px}
.foot-grid a{display:block;color:#AEB6C2;font-size:14.5px;margin-bottom:11px;transition:.2s}
.foot-grid a:hover{color:#fff}
.foot-brand .brand{color:#fff}
.foot-brand p{color:#8C95A2;font-size:14.5px;max-width:320px;margin-top:16px}
.foot-disc{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;color:#7C8694;font-size:12.5px;line-height:1.7}
.foot-disc b{color:#AEB6C2}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:22px;flex-wrap:wrap;gap:12px;color:#7C8694;font-size:13px;font-family:var(--mono)}

/* Page hero (inner) */
.page-hero{padding:56px 0 30px;border-bottom:1px solid var(--line);position:relative;z-index:2}
.crumb{font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-bottom:18px;letter-spacing:.03em}
.crumb a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(34px,5vw,56px)}
.page-hero p{color:var(--muted);font-size:17px;max-width:560px;margin-top:14px}

/* Shop toolbar */
.shop-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:32px 0 24px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.fpill{padding:10px 18px;border-radius:100px;border:1px solid var(--line-2);background:var(--white);color:var(--sub);font-size:13.5px;font-weight:500;font-family:'Sora';transition:.2s}
.fpill:hover{color:var(--ink);border-color:var(--ink)}
.fpill.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.shop-tools-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search-box{display:flex;align-items:center;gap:9px;padding:10px 16px;border-radius:100px;border:1px solid var(--line-2);background:var(--white);min-width:220px}
.search-box input{background:none;border:none;outline:none;color:var(--ink);font-size:14px;width:100%;font-family:'Inter'}
.sortsel{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding:10px 40px 10px 18px;border-radius:100px;border:1px solid var(--line-2);background-color:var(--white);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230E1116' stroke-width='2.4'><path d='M6 9l6 6 6-6' stroke-linecap='round' stroke-linejoin='round'/></svg>");background-repeat:no-repeat;background-position:right 15px center;color:var(--ink);font-size:13.5px;font-family:'Inter';outline:none;cursor:pointer}
.sortsel:hover{border-color:var(--ink)}
#resultCount{font-family:var(--mono);letter-spacing:.03em}
.view-toggle{display:inline-flex;border:1px solid var(--line-2);border-radius:100px;overflow:hidden;background:var(--white)}
.vt{padding:9px 18px;font-family:'Sora';font-weight:600;font-size:13px;color:var(--muted);background:none;border:none;transition:.2s}
.vt.active{background:var(--ink);color:#fff}

/* Compound Index — periodic-table gallery */
.specimen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.specimen{position:relative;background:var(--white);padding:22px 20px 20px;min-height:236px;display:flex;flex-direction:column;transition:.22s var(--ease)}
.specimen:hover{background:var(--surface-2)}
.specimen .sp-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.08em;text-transform:uppercase}
.specimen .sp-cat{color:var(--accent)}
.specimen .sp-sym{font-family:'Sora';font-weight:800;font-size:46px;letter-spacing:-.035em;line-height:1;margin:22px 0 6px;color:var(--ink)}
.specimen .sp-name{font-size:13.5px;color:var(--ink);font-weight:500}
.specimen .sp-sub{font-family:var(--mono);font-size:11px;color:var(--muted-2);margin-top:2px}
.specimen .sp-bot{display:flex;justify-content:space-between;align-items:baseline;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px}
.specimen .sp-purity{color:var(--accent)}
.specimen .sp-price{font-family:'Sora';font-weight:700;font-size:17px;color:var(--ink)}
.specimen .sp-add{position:absolute;top:16px;right:16px;width:30px;height:30px;border-radius:8px;border:1px solid var(--line-2);background:var(--white);color:var(--ink);display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.85);transition:.2s}
.specimen:hover .sp-add{opacity:1;transform:none}
.specimen .sp-add:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
@media(max-width:900px){.specimen-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.specimen-grid{grid-template-columns:repeat(2,1fr)}.specimen{min-height:200px;padding:16px 14px}.specimen .sp-sym{font-size:36px}}

/* Product detail */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;padding-top:40px}
.pdp-media{position:sticky;top:92px}
.pdp-stage{aspect-ratio:1/1;border-radius:var(--r-xl);border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center;background:#f5f5f7}
.pdp-stage img{width:100%;height:100%;object-fit:contain;padding:7%}
.pdp h1{font-size:clamp(30px,4vw,44px);margin:10px 0 12px}
.pdp .lede{color:var(--muted);font-size:16px;margin-bottom:22px}
.pdp .price-row{display:flex;align-items:baseline;gap:14px;margin:8px 0 20px}
.pdp .price-big{font-family:'Sora';font-weight:700;font-size:34px}
.pdp .price-big s{font-size:19px;color:var(--muted-2);font-weight:400;margin-left:8px}
.opt-row{margin:20px 0}
.opt-row .lbl{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.08em}
.opt-pills{display:flex;gap:10px;flex-wrap:wrap}
.opt{padding:11px 18px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--white);font-size:14px;font-family:'Sora';transition:.2s}
.opt.active,.opt:hover{border-color:var(--ink);color:var(--ink)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:var(--r-sm);overflow:hidden;background:var(--white)}
.qty button{width:42px;height:46px;background:none;border:none;color:var(--ink);font-size:18px}
.qty button:hover{background:var(--surface-2)}
.qty input{width:44px;height:46px;text-align:center;background:none;border:none;color:var(--ink);font-size:15px;font-family:'Sora'}
.trust-bullets{display:grid;gap:12px;margin-top:24px}
.trust-bullets li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink);list-style:none}
.trust-bullets .ck{flex:0 0 22px;height:22px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-top:1px;color:var(--accent-deep)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:44px 0 0;flex-wrap:wrap}
.tab{padding:14px 18px;font-family:'Sora';font-weight:600;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:.2s}
.tab.active{color:var(--ink);border-color:var(--accent)}
.tab-panel{display:none;padding:26px 0;color:var(--muted);font-size:15.5px;line-height:1.8;max-width:760px}
.tab-panel.active{display:block}
.tab-panel h4{color:var(--ink);font-size:16px;margin:18px 0 8px}
.spec-table{width:100%;border-collapse:collapse;margin-top:6px}
.spec-table td{padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.spec-table td:first-child{color:var(--muted);width:230px;font-family:var(--mono);font-size:13px}
.spec-table td:last-child{color:var(--ink);font-weight:500}

/* Cart */
.cart-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:38px;align-items:start;padding-top:28px}
.cart-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.cart-item .ci-img{width:88px;height:88px;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--surface-2);display:flex;align-items:center;justify-content:center}
.cart-item .ci-name{font-family:'Sora';font-weight:600;font-size:16px}
.cart-item .ci-meta{font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-top:3px}
.cart-item .ci-rm{font-size:12.5px;color:var(--muted-2);margin-top:8px;cursor:pointer}
.cart-item .ci-rm:hover{color:#C0392B}
.summary{padding:28px;border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--white);position:sticky;top:92px;box-shadow:var(--shadow)}
.summary .srow{display:flex;justify-content:space-between;padding:10px 0;font-size:14.5px;color:var(--muted)}
.summary .srow.total{border-top:1px solid var(--line);margin-top:10px;padding-top:18px;color:var(--ink);font-size:20px;font-family:'Sora';font-weight:700}
.empty{text-align:center;padding:84px 0}
.empty .ei{width:76px;height:76px;border-radius:var(--r-lg);background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 22px;color:var(--accent-deep)}

/* Auth */
.auth-wrap{max-width:440px;margin:0 auto;padding:46px 0 0}
.auth-card{padding:38px 34px;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--white);box-shadow:var(--shadow)}
.auth-tabs{display:flex;gap:5px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:5px;margin-bottom:26px}
.auth-tab{flex:1;padding:11px;border-radius:var(--r-sm);text-align:center;font-family:'Sora';font-weight:600;font-size:14px;color:var(--muted);background:none;border:none;transition:.2s}
.auth-tab.active{background:var(--ink);color:#fff}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}
.field input{width:100%;padding:14px 16px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--white);color:var(--ink);font-size:15px;font-family:'Inter'}
.field input:focus{outline:none;border-color:var(--ink)}
.auth-alt{text-align:center;margin-top:22px;font-size:13.5px;color:var(--muted-2)}

/* Split / steps */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.steps{display:grid}
.step{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.step:last-child{border:none}
.step .n{flex:0 0 38px;height:38px;border-radius:var(--r-sm);background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:600;color:var(--accent-deep)}
.step h4{font-family:'Sora';font-size:16px;margin-bottom:3px;font-weight:600}
.step p{font-size:14px;color:var(--muted)}
.check-list{list-style:none;display:grid;gap:13px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.check-list .ck{flex:0 0 22px;height:22px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-top:2px;color:var(--accent-deep);font-size:12px}
.codecard{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--white)}
.codecard .ch{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.codecard .ch i{width:11px;height:11px;border-radius:50%;display:block}
.codecard .ch span{font-family:var(--mono)}
.code{background:#0d1117;padding:24px 26px;font-family:var(--mono);font-size:13px;line-height:1.95;color:#C4CAD3;overflow:auto;white-space:pre;tab-size:2}
.code .k{color:#7FE3CC}.code .s{color:#F2C94C}.code .c{color:#6B7686}.code .p{color:#8FB3FF}

/* CTA */
.cta-inner{border-radius:var(--r-xl);padding:70px 48px;text-align:center;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta-inner .eyebrow{color:#7FE3CC}
.cta-inner .eyebrow::before{background:#7FE3CC}
.cta-inner h2{font-size:clamp(30px,4vw,48px);margin-bottom:14px;color:#fff}
.cta-inner p{color:#AEB6C2;max-width:540px;margin:0 auto 28px;font-size:17px}
.cta-form{display:flex;gap:12px;max-width:470px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.cta-form input{flex:1;min-width:230px;padding:15px 20px;border-radius:100px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:15px;font-family:'Inter'}
.cta-form input::placeholder{color:#8C95A2}
.cta-form input:focus{outline:none;border-color:var(--accent)}
.cta-form .btn-primary{background:#fff;color:var(--ink)}

/* Responsive */
@media(max-width:1040px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){
  .nav-links{display:none}.menu-btn{display:flex}
  .hero-grid{grid-template-columns:1fr!important;gap:30px!important}
  .pdp{grid-template-columns:1fr;gap:30px}.pdp-media{position:static}
  .split{grid-template-columns:1fr;gap:32px}
  .cart-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}.stat{border-bottom:1px solid var(--line)}
  .prod-grid,.prod-grid.cols-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .block{padding:64px 0}
  .prod-grid,.prod-grid.cols-3{grid-template-columns:1fr 1fr;gap:12px}
  .product .pinfo{padding:14px}
  .foot-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}.stat{border-right:none}
  .shop-toolbar{flex-direction:column;align-items:stretch}.search-box{min-width:0}
}

/* ===================== Brand + Motion layer ===================== */
.brand{gap:10px}
.brand .mk{width:30px;height:34px;flex:0 0 30px;transition:transform .5s var(--ease)}
.brand:hover .mk{transform:rotate(-8deg) scale(1.06)}
.brand .wm{font-family:'Sora',sans-serif;font-weight:700;font-size:22px;letter-spacing:-.03em;color:var(--ink);line-height:1}
.brand .wm-accent{color:var(--accent)}
.foot-brand .brand .wm{color:#fff}
.foot-brand .brand .wm-accent{color:#16b594}

#scrollbar{position:fixed;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),#16b594);transform:scaleX(0);transform-origin:left;z-index:100;will-change:transform}
.nav-outer{transition:transform .45s var(--ease),border-color .3s,background .3s}
.nav-outer.nav-hidden{transform:translateY(-100%)}

.cart-count.pop{animation:countPop .4s var(--ease)}
@keyframes countPop{0%{transform:scale(.4)}60%{transform:scale(1.3)}100%{transform:scale(1)}}

/* button shine */
.btn-primary,.btn-ghost{position:relative;overflow:hidden}
.btn-primary::after,.btn-ghost::after{content:"";position:absolute;top:0;left:-140%;width:55%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);transition:left .6s var(--ease);pointer-events:none}
.btn-ghost::after{background:linear-gradient(120deg,transparent,rgba(11,138,114,.16),transparent)}
.btn-primary:hover::after,.btn-ghost:hover::after{left:170%}

/* product image shine + zoom */
.product .pimg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);transform:translateX(-130%);transition:transform .8s var(--ease);pointer-events:none;z-index:1}
.product:hover .pimg::after{transform:translateX(130%)}
.product:hover .pimg img{transform:scale(1.07) rotate(-2deg)}

/* hero entrance */
@keyframes riseIn{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.up{opacity:0;animation:riseIn .85s var(--ease) forwards}
/* float + aura */
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.float{animation:floatY 5.5s ease-in-out infinite}
@keyframes auraPulse{0%,100%{opacity:.5;transform:translate(-50%,-50%) scale(1)}50%{opacity:.85;transform:translate(-50%,-50%) scale(1.12)}}
.aura{position:relative}
.aura::before{content:"";position:absolute;top:46%;left:50%;width:64%;height:64%;border-radius:50%;background:radial-gradient(circle,rgba(11,138,114,.22),transparent 70%);filter:blur(36px);transform:translate(-50%,-50%);animation:auraPulse 6s ease-in-out infinite;z-index:0;pointer-events:none}
.aura > img,.aura > div{position:relative;z-index:1}

/* mobile menu stagger */
.mobile-menu.open .mm-links a{animation:riseIn .5s var(--ease) backwards;animation-delay:calc(var(--i,0) * .05s + .05s)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .up{opacity:1}
}

/* ---- final polish pass ---- */
#site-header{display:block;min-height:106px}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
body{animation:pageIn .3s ease}
body.leaving{opacity:0;transition:opacity .2s ease}
.brand{align-items:center}
.brand .mk{transform:translateY(1px)}
.foot-brand .brand{align-items:center}
.code .blink{color:#7FE3CC;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
/* terminal chrome polish */
.codecard{box-shadow:var(--shadow)}
.codecard .ch{background:#0d1117;border-bottom:1px solid rgba(255,255,255,.06)}
.codecard .ch span{color:#7C8694}