:root{--bg:#0b0d10;--panel:#14171b;--text:#f5f7fa;--muted:#aab2bd;--blue:#0b84f3;--line:#2a2e34;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(11,13,16,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px}.logo{width:150px}.menu{display:flex;gap:24px;align-items:center}.btn{display:inline-block;padding:13px 19px;border-radius:6px;background:var(--blue);font-weight:700;border:0;color:#fff;cursor:pointer}.btn.secondary{background:transparent;border:1px solid #4a515b}.hero{min-height:78vh;display:grid;align-items:center;background:radial-gradient(circle at 70% 40%,#172331 0,transparent 34%),linear-gradient(135deg,#090b0e,#12161c)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{color:var(--blue);text-transform:uppercase;letter-spacing:.16em;font-weight:700;font-size:.82rem}.hero h1{font-size:clamp(2.8rem,6vw,5.6rem);line-height:.98;margin:.35em 0}.hero h1 span{color:var(--blue)}.hero p{font-size:1.15rem;color:var(--muted);max-width:650px}.hero-visual{border-radius:50%;aspect-ratio:1.8;background:linear-gradient(#222,#090909);border:2px solid #1e8fff;box-shadow:0 20px 80px #000;display:flex;align-items:center;justify-content:center}.hero-visual img{width:70%}section{padding:86px 0}.section-title{font-size:2.2rem;margin:0 0 12px}.section-lead{color:var(--muted);max-width:740px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.card-media{aspect-ratio:4/3;background:#08090b;display:flex;align-items:center;justify-content:center}.card-media img{width:100%;height:100%;object-fit:cover}.placeholder{width:56%;opacity:.8}.card-body{padding:22px}.card h3{margin:0 0 8px}.price{font-size:1.3rem;font-weight:700;color:#fff}.muted{color:var(--muted)}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{padding:24px;border-top:2px solid var(--blue);background:var(--panel)}.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px}.product-image{background:#111;border:1px solid var(--line);border-radius:12px;overflow:hidden}.product-image img{width:100%;display:block}.specs{width:100%;border-collapse:collapse}.specs td{padding:10px;border-bottom:1px solid var(--line)}.specs td:first-child{color:var(--muted)}.video{aspect-ratio:16/9;width:100%;border:0;border-radius:12px}.footer{border-top:1px solid var(--line);padding:38px 0;color:var(--muted)}.footer-grid{display:flex;justify-content:space-between;gap:20px}.notice{padding:14px;border-radius:6px;background:#18324b;border:1px solid #276291}.form-control{width:100%;padding:12px;border-radius:6px;border:1px solid #3a4048;background:#0e1115;color:#fff}.form-group{margin-bottom:15px}@media(max-width:850px){.menu a:not(.btn){display:none}.hero-grid,.product-layout{grid-template-columns:1fr}.hero{padding:70px 0}.grid{grid-template-columns:1fr 1fr}.features{grid-template-columns:1fr 1fr}}@media(max-width:560px){.grid,.features{grid-template-columns:1fr}.hero h1{font-size:3rem}.footer-grid{display:block}}

.product-thumbnails{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}.thumb{padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;background:#111;cursor:pointer;aspect-ratio:1}.thumb.active{border-color:var(--blue)}.thumb img{width:100%;height:100%;object-fit:cover;display:block}@media(max-width:560px){.product-thumbnails{grid-template-columns:repeat(4,1fr)}}

/* V4: logotipo oficial em PNG */
.logo{width:180px;height:64px;object-fit:contain;object-position:left center}.hero-visual img,.placeholder{object-fit:contain}@media(max-width:560px){.logo{width:138px;height:52px}}