:root{--ink:#0f172a;--muted:#475569;--b:#e5e7eb;--pri:#0b64d0}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;color:var(--ink);background:#fafcff}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--b)}.nav{display:flex;justify-content:space-between;align-items:center;height:64px}
.menu{display:flex;gap:16px}.burger{display:none;width:40px;height:40px;border:1px solid var(--b);border-radius:10px;background:#fff}
.card{background:#fff;border:1px solid var(--b);border-radius:14px;padding:16px;box-shadow:0 8px 24px rgba(2,6,23,.06)}
.section{padding:26px 0}.h1{font-size:28px;margin:0}.h2{font-size:20px;margin:0 0 8px}.lead{color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.badges{display:flex;flex-wrap:wrap;gap:8px}.badge{border:1px solid var(--b);border-radius:999px;padding:4px 8px;font-size:12px}
.row{display:flex;gap:8px;align-items:center;justify-content:space-between}
.field{display:flex;flex-direction:column;gap:6px}.input,.textarea{width:100%;border:1px solid var(--b);border-radius:10px;padding:10px}
.btn{height:40px;border:1px solid var(--b);border-radius:10px;background:#fff;cursor:pointer}.btn.pri{background:var(--pri);color:#fff;border-color:transparent}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px}.kv div{background:#f8fafc;border:1px dashed var(--b);border-radius:12px;padding:12px}
.list{margin:10px 0 0 18px;color:var(--muted)}
.cart-fab{position:fixed;right:16px;bottom:16px;background:var(--pri);color:#fff;border:none;border-radius:12px;height:48px;padding:0 12px;display:flex;align-items:center;gap:8px}
.side{position:fixed;right:0;top:0;height:100%;width:min(92vw,420px);background:#fff;border-left:1px solid var(--b);transform:translateX(100%);transition:.2s;display:flex;flex-direction:column;z-index:20}
.side.open{transform:none}.side-head{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid var(--b)}.side-body{padding:12px;overflow:auto;flex:1}
.cart-item{display:grid;grid-template-columns:1fr auto;gap:8px;padding:8px 0;border-bottom:1px dashed var(--b)}
.sheet{display:none;position:fixed;inset:0;background:rgba(0,0,0,.2)}.sheet-panel{position:absolute;right:0;top:0;width:min(92vw,360px);height:100%;background:#fff;padding:16px}
footer{margin-top:26px;border-top:1px solid var(--b)}
@media(max-width:980px){.grid,.grid-3{grid-template-columns:1fr}.menu{display:none}.burger{display:block}}