:root{--brand:#0f766e;--brand-dark:#0c5d56;--ink:#1e293b;--muted:#64748b;--line:#e2e8f0;--soft:#f1f5f9;--bg:#fff;--radius:12px}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
img{max-width:100%;height:auto;display:block}
.muted{color:var(--muted)}
.center{text-align:center;margin-top:18px}
/* topbar */
.topbar{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;font-size:14px}
.nav a{margin-left:18px;color:var(--ink);font-weight:600;font-size:15px}
.trust-strip{background:var(--soft);font-size:13px;color:var(--muted);padding:8px 0;text-align:center}
/* hero */
.hero{padding:46px 0 30px}
.hero h1{font-size:38px;line-height:1.12;margin:12px 0}
.hero p{font-size:18px;color:var(--muted);max-width:640px}
.badge{display:inline-block;background:#ccfbf1;color:var(--brand-dark);font-weight:700;font-size:13px;padding:5px 12px;border-radius:999px}
.hero-cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
/* buttons */
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;border:0;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);text-decoration:none}
.btn-buy{background:#f59e0b;color:#1e293b;font-size:16px;padding:15px 26px;width:100%;text-align:center;box-shadow:0 4px 14px rgba(245,158,11,.3)}
.btn-buy:hover{background:#e08e09;text-decoration:none}
/* sections */
section{margin:34px 0}
h2{font-size:25px;margin:0 0 16px}
h3{font-size:18px}
.cat-grid{display:flex;flex-wrap:wrap;gap:10px}
.cat-pill{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:600;color:var(--ink)}
.cat-pill:hover{border-color:var(--brand);text-decoration:none}
.cat-grid.big{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.cat-card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:var(--ink)}
.cat-card:hover{border-color:var(--brand);text-decoration:none}
.cat-card h3{margin:0 0 4px}
.cat-card span{color:var(--muted);font-size:14px}
/* grid de produtos */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;color:var(--ink);display:flex;flex-direction:column;transition:.15s}
.card:hover{border-color:var(--brand);box-shadow:0 8px 24px rgba(15,118,110,.1);text-decoration:none;transform:translateY(-2px)}
.card-thumb{aspect-ratio:3/4;background:var(--soft);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card-body{padding:14px}
.card-tag{display:inline-block;background:#ccfbf1;color:var(--brand-dark);font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.02em}
.card-body h3{font-size:15px;margin:8px 0 6px;line-height:1.3}
.card-price{font-size:19px;font-weight:800;color:var(--brand-dark)}
.card-cta{font-size:13px;font-weight:700;color:var(--brand);margin-top:6px;display:inline-block}
/* why */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.why-item{background:var(--soft);border-radius:var(--radius);padding:20px}
.why-item h3{margin:0 0 6px;color:var(--brand-dark)}
.why-item p{margin:0;color:var(--muted);font-size:14px}
/* product page */
.crumbs{font-size:13px;color:var(--muted);margin:18px 0}
.crumbs a{color:var(--muted)}
.product{display:grid;grid-template-columns:420px 1fr;gap:34px;align-items:start}
.product-media img{border:1px solid var(--line);border-radius:var(--radius);width:100%;object-fit:cover}
.product-info h1{font-size:26px;margin:10px 0}
.price-row{display:flex;align-items:baseline;gap:10px;margin:14px 0}
.price{font-size:32px;font-weight:800;color:var(--brand-dark)}
.price-note{color:var(--muted);font-size:14px}
.bullets{padding-left:20px;margin:14px 0}
.bullets li{margin:6px 0}
.ship-line{font-size:14px;margin:12px 0 0}
.desc{border-top:1px solid var(--line);padding-top:24px}
.steps{padding-left:20px}
.steps li{margin:10px 0}
/* checkout */
.checkout-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:18px}
.checkout-summary{display:flex;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.checkout-summary img{border-radius:8px;border:1px solid var(--line);height:fit-content}
.sum{width:100%;border-collapse:collapse;margin-top:10px}
.sum td{padding:6px 0;border-bottom:1px solid var(--line)}
.sum td:last-child{text-align:right;font-weight:600}
.sum-total td{font-size:18px;font-weight:800;border-bottom:0;color:var(--brand-dark)}
.checkout-pay{border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.checkout-pay .btn{margin-bottom:10px}
/* footer */
.footer{background:#0f172a;color:#cbd5e1;margin-top:50px;padding:38px 0 20px}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:24px}
.footer strong{color:#fff;display:block;margin-bottom:10px}
.footer a{display:block;color:#cbd5e1;font-size:14px;margin:5px 0}
.footer .muted{color:#94a3b8;font-size:13px}
.copyright{border-top:1px solid #1e293b;margin-top:26px;padding-top:16px;font-size:13px;color:#94a3b8}
/* admin */
.admin{padding:30px 0}
.admin-tabs{display:flex;gap:8px;margin:18px 0;border-bottom:1px solid var(--line)}
.admin-tabs button{background:none;border:0;padding:10px 16px;font-weight:700;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}
.admin-tabs button.active{color:var(--brand);border-bottom-color:var(--brand)}
.admin-table{width:100%;border-collapse:collapse;margin:14px 0}
.admin-table th,.admin-table td{border:1px solid var(--line);padding:8px;text-align:left;font-size:14px}
.admin-table input,.admin-table select{width:100%;padding:6px;border:1px solid var(--line);border-radius:6px}
.adcard{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:14px 0}
.adcard h3{margin:0 0 10px;color:var(--brand-dark)}
.adgroup{background:var(--soft);border-radius:8px;padding:12px;margin:8px 0;font-size:13px;line-height:1.7}
.adneg{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:12px;margin:12px 0;font-size:14px}
#gate{max-width:320px}
#gate input{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;margin:8px 0}
/* responsivo */
@media(max-width:860px){
  .product{grid-template-columns:1fr}
  .checkout-grid{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr 1fr}
  .hero h1{font-size:30px}
  .topbar{position:static}
}