/* Estilos compartilhados das páginas de categoria — Lumia 3D */
*{box-sizing:border-box;margin:0;padding:0}
:root{--ink:#14161a;--ink2:#232830;--muted:#6b7280;--line:#e6e8ec;--bg:#f6f7f9;--card:#fff;
  --yellow:#F9CA06;--yellow-d:#d8ad00;--wa:#25D366;--dark:#0f1115;--shadow:0 6px 24px rgba(15,17,21,.08)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-radius:11px;padding:13px 20px;cursor:pointer;border:0;transition:transform .12s;line-height:1}
.btn:hover{transform:translateY(-1px)}
.btn-y{background:var(--yellow);color:#14161a}.btn-dark{background:var(--ink);color:#fff}.btn-wa{background:var(--wa);color:#fff}
.btn-sm{padding:10px 15px;font-size:14px}
.eyebrow{font-size:12.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--yellow-d)}
/* header */
header{position:sticky;top:0;z-index:40;background:rgba(15,17,21,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.navrow{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand img{height:32px;width:auto}
nav.links{display:flex;gap:24px}nav.links a{color:#d4d9e0;font-size:14.5px;font-weight:600}nav.links a:hover{color:var(--yellow)}
@media(max-width:820px){nav.links{display:none}}
/* hero */
.chero{background:radial-gradient(900px 400px at 80% -20%,rgba(249,202,6,.16),transparent 60%),linear-gradient(160deg,#0f1115,#1d222c);color:#fff;padding:52px 0 44px}
.chero h1{font-size:36px;line-height:1.12;letter-spacing:-.8px;font-weight:800;max-width:720px;margin:10px 0 12px}
.chero p{color:#c3cad4;font-size:16.5px;max-width:620px}
.crumbs{font-size:12.5px;color:#8a93a3;margin-bottom:4px}.crumbs a:hover{color:var(--yellow)}
.chero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.brands{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px;color:#aeb6c2;font-size:13px;font-weight:700}
/* sections */
section{padding:46px 0}
h2{font-size:25px;letter-spacing:-.4px;font-weight:800;margin-bottom:6px}
.lead{color:var(--muted);font-size:16px;max-width:640px;margin-bottom:22px}
.grid{display:grid;gap:16px}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g3,.g4,.g2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.card .cim{aspect-ratio:1/1;background:linear-gradient(145deg,#eef1f5,#e3e7ee);display:grid;place-items:center;overflow:hidden}
.card .cim img{width:100%;height:100%;object-fit:contain;padding:14px}
.card .cim.arte{background:#F9CA06}.card .cim.arte img{object-fit:cover;padding:0}
.card .cim.a45{aspect-ratio:4/5}
.card .cim.a916{aspect-ratio:9/16}
.swatches{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.dot{width:22px;height:22px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}
.card .cb{padding:16px 18px}.card .cb h3{font-size:17px;letter-spacing:-.2px}
.card .cb p{font-size:13.5px;color:var(--muted);margin:6px 0 14px}
.card .cb .btn{width:100%;justify-content:center}
.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{font-size:12px;background:#eef1f5;color:#39414f;padding:5px 10px;border-radius:7px;font-weight:600}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:820px){.why{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.why{grid-template-columns:1fr}}
.why .w{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.why .w .e{font-size:24px;margin-bottom:8px}.why .w h4{font-size:15px;margin-bottom:4px}.why .w p{font-size:13.5px;color:var(--muted)}
.brandblk{padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--card);box-shadow:var(--shadow)}
.brandblk h3{font-size:16px;margin-bottom:3px}.brandblk .models{color:var(--muted);font-size:12.5px;margin-bottom:11px}
details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--card)}
summary{cursor:pointer;padding:15px 18px;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}summary::after{content:"+";font-size:20px;color:var(--yellow-d);font-weight:800}
details[open] summary::after{content:"–"}details .ans{padding:0 18px 15px;color:var(--muted);font-size:14px}
.ctaband{background:var(--dark);color:#fff;border-radius:18px;padding:34px;text-align:center;margin-top:10px}
.ctaband h2{color:#fff}.ctaband p{color:#c3cad4;margin:8px auto 20px;max-width:520px}
.ctaband .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
footer{background:var(--dark);color:#c3cad4;padding:40px 0 28px;margin-top:50px}
.footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}@media(max-width:720px){.footgrid{grid-template-columns:1fr}}
footer h5{color:#fff;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
footer a{display:block;margin:7px 0;font-size:14px}footer a:hover{color:var(--yellow)}
.footbrand img{height:30px;margin-bottom:12px}
.footnote{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#8a93a3}
.wafloat{position:fixed;right:18px;bottom:18px;z-index:50;background:var(--wa);color:#fff;border-radius:50px;padding:14px 18px;font-weight:800;font-size:15px;box-shadow:0 8px 24px rgba(37,211,102,.45);display:flex;align-items:center;gap:9px}
@media(max-width:560px){.wafloat span.tx{display:none}.wafloat{padding:15px;border-radius:50%}}