:root{
  --bg:#f7f8fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;
  --brand:#155eef;--brand2:#0b4fc8;--soft:#eef4ff;--ok:#067647;--warn:#b54708;
  --danger:#b42318;--radius:18px;--shadow:0 16px 50px rgba(16,24,40,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);
font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1120px,92vw);margin:auto}
.top{background:#0f172a;color:#dbeafe;font-size:13px;text-align:center;padding:8px 12px}
nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{font-weight:800;letter-spacing:.08em}
.logo small{font-weight:500;color:var(--muted);letter-spacing:0;margin-left:8px}.links{display:flex;gap:20px;color:#475467;font-size:14px;align-items:center}
.hero{padding:66px 0 44px}.eyebrow{font-size:13px;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.08em}
h1{font-size:clamp(38px,5.2vw,64px);line-height:1.05;margin:12px 0 18px;letter-spacing:-.035em}
h2{font-size:34px;line-height:1.18;margin:0 0 12px}h3{font-size:20px;margin:0 0 8px}.lead{font-size:18px;color:var(--muted);max-width:760px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;border:1px solid var(--line);
background:#fff;font-weight:760;cursor:pointer;font:inherit}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand2)}
.btn.block{width:100%}.btn.secondary{background:#101828;color:#fff;border-color:#101828}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.section{padding:48px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);
border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(16,24,40,.04)}.muted{color:var(--muted)}.small{font-size:13px}
.pill{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.pill.ok{background:#ecfdf3;color:var(--ok)}.pill.warn{background:#fff7ed;color:var(--warn)}
.price{font-size:34px;font-weight:850;margin:8px 0}.compare{font-size:16px;color:#98a2b3;text-decoration:line-through;margin-left:8px;font-weight:500}
.catalog-card{display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:34px;align-items:center}.catalog-img{aspect-ratio:4/5;background:#f0f3f7;border-radius:18px;overflow:hidden}
.catalog-img img{width:100%;height:100%;object-fit:cover}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.fact{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.fact strong{display:block;margin-bottom:4px}
.policy{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}.policy h1{font-size:42px}.policy h2{font-size:24px;margin-top:30px}.policy ul{padding-left:20px}
.alert{border:1px solid #fed7aa;background:#fff7ed;color:#7c2d12;border-radius:14px;padding:14px 16px;margin:18px 0}
.okbox{border:1px solid #abefc6;background:#ecfdf3;color:#05603a;border-radius:14px;padding:14px 16px;margin:18px 0}
footer{margin-top:60px;background:#0f172a;color:#cbd5e1;padding:34px 0}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
.footer-links{display:flex;gap:12px 18px;flex-wrap:wrap;justify-content:flex-end;font-size:13px}.footer-links a{text-decoration:underline;text-underline-offset:3px}
.breadcrumbs{font-size:13px;color:var(--muted);margin:24px 0}.product{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);gap:42px;align-items:start}
.gallery{display:grid;grid-template-columns:92px 1fr;gap:14px;position:sticky;top:92px}.thumbs{display:grid;gap:10px;align-content:start}
.thumb-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:4px;cursor:pointer;overflow:hidden}.thumb-btn.active{border-color:var(--brand);box-shadow:0 0 0 2px #dbe8ff}
.thumb-btn img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:7px}.main-image{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.main-image img{width:100%;aspect-ratio:4/5;object-fit:contain;background:#fff}.buy-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.buy-panel h1{font-size:38px}.selector-title{font-size:14px;font-weight:800;margin:18px 0 9px}.size-grid{display:flex;gap:8px;flex-wrap:wrap}
.size-btn{border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:10px 13px;min-width:62px;cursor:pointer}.size-btn.selected{border-color:var(--brand);background:var(--soft);color:var(--brand);font-weight:800}
.qty-row{display:flex;align-items:center;gap:10px}.qty{width:86px}.shipping-note{border-top:1px solid var(--line);margin-top:22px;padding-top:18px;display:grid;gap:9px;color:#475467;font-size:14px}
.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.detail-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.photo-grid img{width:100%;border-radius:16px;border:1px solid var(--line);background:#fff}
.cart-layout,.checkout-layout{display:grid;grid-template-columns:1fr 390px;gap:28px;align-items:start}.cart-line{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center}
.cart-line img{width:120px;aspect-ratio:4/5;object-fit:cover;border-radius:12px;border:1px solid var(--line)}.summary{position:sticky;top:92px}
.summary-row{display:flex;justify-content:space-between;gap:20px;padding:9px 0}.summary-row.total{font-size:20px;font-weight:850;border-top:1px solid var(--line);margin-top:8px;padding-top:15px}
label{font-size:13px;font-weight:750;color:#344054}input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:10px;padding:11px 12px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #dbe8ff;border-color:var(--brand)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}
.field{display:grid;gap:6px}.pay-method{border:2px solid var(--brand);background:var(--soft);border-radius:14px;padding:16px}.confirmation{text-align:center;padding:44px 24px}
.order-number{font-size:28px;font-weight:850;letter-spacing:.04em;color:var(--brand)}.hidden{display:none!important}.link-btn{background:none;border:0;padding:0;color:var(--brand);cursor:pointer;text-decoration:underline;font:inherit}
.cart-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:#eaf1ff;color:var(--brand);font-size:11px;font-weight:850}
@media(max-width:900px){.links{display:none}.catalog-card,.product,.cart-layout,.checkout-layout,.footer-grid{grid-template-columns:1fr}.grid,.details-grid{grid-template-columns:1fr}.gallery{position:static}.summary{position:static}.footer-links{justify-content:flex-start}}
@media(max-width:620px){.gallery{grid-template-columns:1fr}.thumbs{grid-template-columns:repeat(4,1fr);order:2}.photo-grid{grid-template-columns:1fr}.cart-line{grid-template-columns:90px 1fr}.cart-line>div:last-child{grid-column:2}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.policy{padding:22px}.buy-panel{padding:20px}}