:root{--bg:#080b10;--panel:#10151d;--text:#f4f7fb;--muted:#9faebe;--line:#263342;--accent:#4bd6ff;--accent2:#90f2ff;--shadow:0 14px 40px rgba(0,0,0,.28)}html[data-theme="light"]{--bg:#f6f7f9;--panel:#fff;--text:#16202b;--muted:#58697a;--line:#d9e0e7;--accent:#006fa5;--accent2:#00567f;--shadow:0 12px 34px rgba(25,42,60,.12)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px max(20px,calc((100vw - 1280px)/2));background:color-mix(in srgb,var(--bg) 92%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.site-brand{font-size:21px;font-weight:900}.site-header nav{display:flex;align-items:center;gap:18px}.site-header nav a{font-weight:700}.count{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:99px;background:var(--accent);color:#00141c;font-size:12px}.theme-toggle{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:999px;width:40px;height:40px;cursor:pointer}.public-main{max-width:1280px;margin:auto;padding:44px 22px 70px}.hero{padding:46px 0 30px}.eyebrow{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}.hero h1{font-size:clamp(2.6rem,7vw,5.5rem);line-height:.96;margin:12px 0 18px}.hero p{max-width:780px;color:var(--muted);font-size:19px;line-height:1.65}.catalog-tools{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.catalog-tools input,.catalog-tools select{min-height:48px;padding:0 14px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px}.catalog-tools input{flex:1;min-width:250px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 18px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-weight:800;cursor:pointer}.button.primary{background:var(--accent);color:#00141c;border-color:var(--accent)}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card{display:flex;flex-direction:column;gap:12px;padding:22px;border:1px solid var(--line);background:var(--panel);border-radius:18px;box-shadow:var(--shadow)}.product-card h2{margin:0;font-size:21px}.product-card p{color:var(--muted);line-height:1.55;flex:1}.price{font-size:22px;font-weight:900}.tag{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:6px 9px;font-size:11px;color:var(--muted)}.product-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:28px}.product-copy{font-size:17px;line-height:1.75;color:var(--muted)}.purchase-box{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:22px;height:max-content;position:sticky;top:100px}.cart-list{display:grid;gap:12px}.cart-row{display:grid;grid-template-columns:1fr auto auto;gap:15px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.notice{padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--muted);line-height:1.6}.site-footer{border-top:1px solid var(--line);padding:28px 22px;text-align:center;color:var(--muted)}@media(max-width:900px){.product-grid{grid-template-columns:repeat(2,1fr)}.product-layout{grid-template-columns:1fr}.purchase-box{position:static}}@media(max-width:650px){.site-header{align-items:flex-start;flex-direction:column}.site-header nav{width:100%;justify-content:space-between;gap:10px}.product-grid{grid-template-columns:1fr}.public-main{padding-top:28px}.hero h1{font-size:2.8rem}.cart-row{grid-template-columns:1fr}.catalog-tools>*{width:100%}}