:root { --border:#e5e7eb; --muted:#6b7280; --bg:#ffffff; --card:#ffffff; --shadow:0 10px 30px rgba(0,0,0,.06); }
* { box-sizing: border-box; }
html, body { margin:0; padding:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif; background:#f7f7f8; color:#111827; }
a { color: inherit; text-decoration: none; }
.container { width: min(1100px, 92%); margin: 0 auto; padding: 18px 0; }
.site-header { background: var(--bg); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.brand { display:flex; align-items:center; gap:10px; font-weight: 700; }
.logo { width:34px; height:34px; border-radius: 10px; border: 1px solid var(--border); background:#fff; }
.nav { display:flex; gap:12px; }
.nav a { padding:10px 12px; border-radius: 10px; color:#111827; }
.nav a.active, .nav a:hover { background:#111827; color:#fff; }

.card { background: var(--card); border:1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); margin: 18px 0; }
.card-inner { border:1px dashed var(--border); border-radius: 14px; padding: 14px; background:#fff; margin: 12px 0; }
.hero h1 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 38px); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.actions { display:flex; gap:10px; margin-top: 12px; flex-wrap: wrap; }
.btn { display:inline-block; padding: 11px 14px; border-radius: 12px; background:#111827; color:#fff; border:1px solid #111827; cursor:pointer; }
.btn:hover { opacity:.92; }
.btn-secondary { background:#fff; color:#111827; border:1px solid var(--border); }
.btn-secondary:hover { background:#f3f4f6; }

.row { display:flex; gap:12px; align-items:center; flex-wrap: wrap; }
.row-space { justify-content: space-between; }
.input { width: min(420px, 100%); padding: 11px 12px; border-radius: 12px; border:1px solid var(--border); outline:none; background:#fff; }
.input:focus { border-color:#111827; }
.input-sm { width: 110px; }

.grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 12px; }
.product { border:1px solid var(--border); border-radius: 16px; overflow:hidden; background:#fff; }
.product img { width: 100%; height: 150px; object-fit: cover; border-bottom:1px solid var(--border); }
.product-body { padding: 12px; }
.product-name { font-weight: 700; margin: 0 0 6px; }
.price { font-weight: 800; font-size: 18px; margin: 6px 0; }
.product-desc { font-size: 13px; color: var(--muted); margin: 0; min-height: 36px; }
.product-actions { display:flex; justify-content: space-between; align-items:center; margin-top: 10px; }

.product-detail { display:grid; grid-template-columns: 1fr 1.2fr; gap: 18px; margin-top: 12px; }
.product-img-lg { width:100%; height: 320px; object-fit: cover; border-radius: 16px; border:1px solid var(--border); background:#fff; }
.hidden { display:none; }

.form .field { flex: 1; min-width: 240px; }
label { display:block; font-size: 13px; color: var(--muted); margin: 8px 0 6px; }

.order-ref { font-size: 22px; font-weight: 900; letter-spacing: .5px; }
.site-footer { padding-bottom: 40px; }
.steps { margin: 10px 0 0 18px; }