:root{--blue: #0077be;--blue-dark: #005a91;--accent: #00b4d8;--bg: #f4f8fb;--text: #1d2b36;--muted: #6b7c88;--card: #ffffff;--shadow: 0 6px 24px rgba(0, 90, 145, .1)}*{margin:0;padding:0;box-sizing:border-box}html,body{max-width:100%;overflow-x:hidden}body{font-family:Segoe UI,Roboto,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:inherit;text-decoration:none}header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px #0000000f}.nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--blue)}.logo span{font-size:28px}.nav-links{display:flex;gap:26px}.nav-links a{color:var(--muted);font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--blue)}.cart-btn{position:relative;cursor:pointer;background:var(--blue);color:#fff;border:none;border-radius:10px;padding:10px 18px;font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;transition:background .2s}.cart-btn:hover{background:var(--blue-dark)}.cart-count{position:absolute;top:-8px;right:-8px;background:#ff4757;color:#fff;border-radius:50%;min-width:22px;height:22px;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px}.hero{background:linear-gradient(135deg,var(--blue) 0%,var(--accent) 100%);color:#fff;text-align:center;padding:70px 20px}.hero h1{font-size:44px;margin-bottom:16px}.hero p{font-size:19px;opacity:.95;max-width:640px;margin:0 auto 28px}.hero .btn{background:#fff;color:var(--blue);padding:14px 34px;border-radius:12px;font-weight:700;font-size:16px;display:inline-block;transition:transform .2s,box-shadow .2s}.hero .btn:hover{transform:translateY(-3px);box-shadow:0 10px 28px #00000040}.features{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:50px 20px}.feature{text-align:center;padding:24px;background:var(--card);border-radius:16px;box-shadow:var(--shadow)}.feature .ico{font-size:38px;margin-bottom:12px}.feature h3{font-size:17px;margin-bottom:6px}.feature p{color:var(--muted);font-size:14px}.catalog{max-width:1200px;margin:0 auto;padding:30px 20px 70px}.catalog h2{font-size:32px;text-align:center;margin-bottom:8px}.catalog .sub{text-align:center;color:var(--muted);margin-bottom:36px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.card{position:relative;background:var(--card);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}.card:hover{transform:translateY(-6px);box-shadow:0 14px 36px #005a912e}.card .img{height:220px;display:flex;align-items:center;justify-content:center;font-size:90px;background:linear-gradient(135deg,#e3f2fd,#f4f8fb)}.card .badge{position:absolute;margin:12px;background:#ff4757;color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:20px}.card .body{padding:20px;display:flex;flex-direction:column;flex:1}.card h3{font-size:18px;margin-bottom:6px}.card .desc{color:var(--muted);font-size:14px;margin-bottom:14px;flex:1}.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.price{font-size:22px;font-weight:800;color:var(--blue)}.old-price{font-size:15px;color:var(--muted);text-decoration:line-through;margin-left:8px;font-weight:500}.add-btn{background:var(--blue);color:#fff;border:none;cursor:pointer;border-radius:10px;padding:10px 16px;font-weight:600;font-size:14px;transition:background .2s}.add-btn:hover{background:var(--blue-dark)}.overlay{position:fixed;inset:0;background:#0006;opacity:0;visibility:hidden;transition:.3s;z-index:200}.overlay.open{opacity:1;visibility:visible}.drawer{position:fixed;top:0;right:-420px;width:400px;max-width:92vw;height:100%;background:#fff;z-index:210;box-shadow:-4px 0 24px #00000026;transition:right .3s;display:flex;flex-direction:column}.drawer.open{right:0}.drawer .head{padding:20px;border-bottom:1px solid #eef2f5;display:flex;justify-content:space-between;align-items:center}.drawer .head h3{font-size:20px}.close-x{background:none;border:none;font-size:26px;cursor:pointer;color:var(--muted)}.drawer .items{flex:1;overflow-y:auto;padding:12px 20px}.cart-item{display:flex;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid #f0f4f7}.cart-item .ci-img{font-size:34px}.cart-item .ci-info{flex:1}.cart-item .ci-info h4{font-size:15px}.cart-item .ci-info .p{color:var(--blue);font-weight:700;font-size:14px}.qty{display:flex;align-items:center;gap:8px}.qty button{width:26px;height:26px;border:1px solid #dbe4ea;background:#fff;border-radius:6px;cursor:pointer;font-size:15px}.qty span{min-width:20px;text-align:center}.rm{background:none;border:none;color:#ff4757;cursor:pointer;font-size:18px}.empty{text-align:center;color:var(--muted);padding:50px 20px}.drawer .foot{padding:20px;border-top:1px solid #eef2f5}.total-row{display:flex;justify-content:space-between;font-size:18px;font-weight:700;margin-bottom:16px}.checkout{width:100%;background:var(--blue);color:#fff;border:none;cursor:pointer;padding:14px;border-radius:12px;font-size:16px;font-weight:700;transition:background .2s}.checkout:hover{background:var(--blue-dark)}.checkout:disabled{background:#b7c6d0;cursor:not-allowed}footer{background:#14232e;color:#a9bcc8;padding:40px 20px;text-align:center}footer .cols{max-width:1000px;margin:0 auto 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;text-align:left}footer h4{color:#fff;margin-bottom:10px;font-size:16px}footer p{font-size:14px;margin-bottom:4px}footer .bottom{border-top:1px solid #263a47;padding-top:20px;font-size:13px}@media(max-width:900px){.features,.grid{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}}@media(max-width:560px){.grid,.features{grid-template-columns:1fr}.hero h1{font-size:32px}}