:root{
  --bg:#0c100e; --bg2:#111714; --card:#151c18; --line:#223028;
  --text:#eef4f0; --muted:#9fb0a6; --mint:#6e8bff; --mint-d:#5470e8;
  --danger:#e5484d; --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.5}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
a{color:inherit}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,14,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;
  text-decoration:none;letter-spacing:-.02em}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;background:var(--mint);color:#101a3a;font-weight:800;font-size:1.1rem}
.header-nav{display:flex;gap:18px;margin-left:auto}
.header-nav a{text-decoration:none;color:var(--muted);font-weight:500}
.header-nav a:hover{color:var(--text)}
.cart-btn{position:relative;display:flex;align-items:center;gap:6px;background:var(--card);
  border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 14px;cursor:pointer}
.cart-btn:hover{border-color:var(--mint)}
.cart-count{background:var(--mint);color:#101a3a;font-weight:700;font-size:.8rem;
  border-radius:999px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}

/* hero */
.hero{padding:84px 0 64px;background:radial-gradient(700px 340px at 20% 0%,rgba(110,139,255,.14),transparent 60%),var(--bg)}
.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);margin:0 0 14px;letter-spacing:-.03em;line-height:1.05}
.hero h1 em{font-style:normal;color:var(--mint)}
.lede{color:var(--muted);font-size:1.15rem;max-width:640px;margin:0 0 26px}
.btn{display:inline-block;border:0;border-radius:10px;padding:13px 26px;font-weight:700;font-size:1rem;
  cursor:pointer;text-decoration:none;transition:transform .08s ease,background .15s}
.btn-primary{background:var(--mint);color:#101a3a}
.btn-primary:hover{background:var(--mint-d)}
.btn-primary:disabled{opacity:.55;cursor:wait}
.btn-block{width:100%}
.trust-row{margin-top:22px;color:var(--muted);font-size:.9rem;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.dot{opacity:.5}

/* shop */
.shop-head{display:flex;align-items:center;gap:16px;margin:36px 0 14px;flex-wrap:wrap}
.shop-head h2{margin:0;font-size:1.6rem;letter-spacing:-.02em}
#search{margin-left:auto;background:var(--card);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:10px 14px;font-size:.95rem;width:min(320px,100%)}
#search:focus{outline:2px solid var(--mint);border-color:var(--mint)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chip{background:var(--card);border:1px solid var(--line);color:var(--muted);border-radius:999px;
  padding:7px 15px;font-size:.88rem;font-weight:600;cursor:pointer}
.chip.active{background:var(--mint);border-color:var(--mint);color:#101a3a}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:18px;padding-bottom:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .12s ease,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:#33503f}
.card-img{background:#0a0d0b;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:contain;padding:14px}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:.92rem;font-weight:600;line-height:1.35;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.card-row{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.price{font-size:1.15rem;font-weight:800}
.add-btn{background:transparent;border:1.5px solid var(--mint);color:var(--mint);border-radius:9px;
  padding:8px 16px;font-weight:700;font-size:.88rem;cursor:pointer}
.add-btn:hover{background:var(--mint);color:#101a3a}
.empty{color:var(--muted);text-align:center;padding:40px 0}
.more-wrap{text-align:center;padding:8px 0 40px}
.more-count{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.more-btn{background:var(--mint);color:#101a3a;border:0;border-radius:10px;
  padding:12px 34px;font-weight:800;font-size:1rem;cursor:pointer}
.more-btn:hover{filter:brightness(1.08)}

/* why */
.why{padding:64px 20px}
.why h2{font-size:1.6rem;letter-spacing:-.02em;margin:0 0 20px}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.why-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.why-card h3{margin:0 0 8px;color:var(--mint);font-size:1.05rem}
.why-card p{margin:0;color:var(--muted);font-size:.95rem}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:34px 0;margin-top:20px}
.footer-inner{display:flex;flex-direction:column;gap:8px}
.site-footer p{margin:0;color:var(--muted);font-size:.9rem}

/* cart drawer */
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;pointer-events:none;
  transition:opacity .2s;z-index:90}
.drawer-overlay.open{opacity:1;pointer-events:auto}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;width:min(400px,92vw);background:var(--bg2);
  border-left:1px solid var(--line);z-index:100;transform:translateX(105%);transition:transform .25s ease;
  display:flex;flex-direction:column}
.cart-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head h2{margin:0;font-size:1.2rem}
.icon-btn{background:none;border:0;color:var(--muted);font-size:1.1rem;cursor:pointer;padding:6px}
.icon-btn:hover{color:var(--text)}
.drawer-items{flex:1;overflow-y:auto;padding:14px 20px;display:flex;flex-direction:column;gap:14px}
.cart-empty{color:var(--muted);text-align:center;padding:40px 0}
.ci{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center}
.ci img{width:64px;height:64px;object-fit:contain;background:#0a0d0b;border-radius:8px;border:1px solid var(--line)}
.ci-title{font-size:.85rem;font-weight:600;line-height:1.3;margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qty{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;padding:2px 6px}
.qty button{background:none;border:0;color:var(--text);font-size:1rem;cursor:pointer;padding:2px 8px}
.qty button:hover{color:var(--mint)}
.ci-right{text-align:right;display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.ci-price{font-weight:700}
.ci-remove{background:none;border:0;color:var(--muted);font-size:.8rem;cursor:pointer;text-decoration:underline}
.ci-remove:hover{color:var(--danger)}
.drawer-foot{border-top:1px solid var(--line);padding:18px 20px}
.subtotal{display:flex;justify-content:space-between;font-size:1.05rem;margin-bottom:6px}
.fine{color:var(--muted);font-size:.82rem;margin:0 0 14px}
.error{color:var(--danger);font-size:.88rem;margin:10px 0 0}

/* success / cancel */
.result{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 20px}
.result-card{max-width:520px}
.result-icon{width:72px;height:72px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:2rem;margin-bottom:18px}
.result-icon.ok{background:rgba(110,139,255,.15);color:var(--mint);border:2px solid var(--mint)}
.result-icon.no{background:rgba(229,72,77,.12);color:var(--danger);border:2px solid var(--danger)}
.result-card h1{margin:0 0 12px;font-size:2rem;letter-spacing:-.02em}
.result-card p{color:var(--muted);margin:0 0 8px}
.result-card .btn{margin-top:18px}

@media (max-width:640px){
  .header-nav{display:none}
  .hero{padding:56px 0 44px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .card-title{font-size:.82rem}
}