:root{
  --ink:#0e1116;
  --ink-soft:#3b4350;
  --muted:#6b7380;
  --line:#e6e8ec;
  --surface:#f5f6f8;
  --white:#fff;
  --accent:#1a6dff;
  --accent-dark:#0f55d1;
  --success:#10875a;
  --page:1240px;
  --radius:18px;
  --sans:"Manrope",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{min-width:320px;margin:0;overflow-x:hidden;background:var(--white);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit}
h1,h2,h3{margin:0;line-height:1.08;letter-spacing:-.03em;font-weight:800}
p{margin:0}
.shell{width:calc(100% - 40px);max-width:var(--page);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:fixed;z-index:60;top:-60px;left:16px;padding:10px 16px;border-radius:8px;background:var(--ink);color:#fff}
.skip-link:focus{top:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* Barra superior */
.topbar{background:var(--ink);color:#d7dbe2;font-size:12.5px;font-weight:600}
.topbar .shell{display:flex;justify-content:center;gap:28px;padding:9px 0}
.topbar span{display:inline-flex;align-items:center;gap:7px}
.topbar svg{width:14px;height:14px;color:#8fb5ff}
.topbar span+span{display:none}

/* Cabeçalho */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-size:22px;font-weight:800;letter-spacing:-.04em;text-decoration:none}
.brand b{color:var(--accent);font-weight:800}
.main-nav{display:none}
.main-nav a{color:var(--ink-soft);font-size:14px;font-weight:600;text-decoration:none;transition:color .15s}
.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--ink)}
.header-cta{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;text-decoration:none;transition:background .15s}
.header-cta:hover{background:#262c36}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 28px;border:0;border-radius:12px;font-size:16px;font-weight:800;letter-spacing:-.01em;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s,box-shadow .15s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -10px rgba(26,109,255,.7)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn-block{width:100%}

.eyebrow{display:inline-block;margin-bottom:14px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.section{padding:72px 0}
.section-head{max-width:640px;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,6vw,44px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:17px}
.section-head.center{margin-inline:auto;text-align:center}

/* Hero (início) */
.hero{padding:40px 0 56px;background:radial-gradient(120% 80% at 80% 0%,#e9f0ff 0%,rgba(233,240,255,0) 60%),var(--white)}
.hero-grid{display:grid;gap:36px;align-items:center}
.hero h1{font-size:clamp(40px,10vw,68px)}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{max-width:480px;margin-top:18px;color:var(--ink-soft);font-size:18px}
.hero-price{display:flex;align-items:baseline;gap:12px;margin-top:28px}
.hero-price strong{font-size:40px;font-weight:800;letter-spacing:-.04em}
.hero-price span{color:var(--muted);font-size:14px;font-weight:600}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.hero-media{position:relative;border-radius:28px;background:#fff;box-shadow:0 30px 60px -30px rgba(14,17,22,.25),0 0 0 1px var(--line);overflow:hidden}
.hero-media img{width:100%;aspect-ratio:1;object-fit:contain}
.hero-badge{position:absolute;left:16px;bottom:16px;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.95);box-shadow:0 8px 24px -8px rgba(14,17,22,.2);font-size:13px;font-weight:700}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(16,135,90,.15)}

/* Faixa de garantias */
.assurance{border-block:1px solid var(--line);background:var(--surface)}
.assurance ul{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;margin-block:0;padding:24px 0;list-style:none}
.assurance li{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;line-height:1.3}
.assurance small{display:block;color:var(--muted);font-size:12.5px;font-weight:500}
.icon-wrap{display:grid;flex:0 0 40px;place-items:center;width:40px;height:40px;border-radius:12px;background:#fff;color:var(--accent);box-shadow:0 0 0 1px var(--line)}
.icon-wrap svg{width:20px;height:20px}

/* Destaques */
.features{display:grid;gap:16px}
.feature{padding:28px;border-radius:var(--radius);background:var(--surface)}
.feature .icon-wrap{margin-bottom:20px}
.feature h3{font-size:19px;letter-spacing:-.02em}
.feature p{margin-top:8px;color:var(--muted);font-size:15px}

/* Showcase */
.showcase{display:grid;gap:36px;align-items:center}
.showcase-media{overflow:hidden;border-radius:24px;background:var(--surface)}
.showcase-media img{width:100%;aspect-ratio:1;object-fit:cover}
.showcase-copy h2{font-size:clamp(30px,6vw,44px)}
.showcase-copy>p{margin-top:16px;color:var(--ink-soft);font-size:17px}
.check-list{display:grid;gap:12px;margin:26px 0 0;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;font-weight:600}
.check-list svg{flex:0 0 22px;width:22px;height:22px;color:var(--accent)}

/* Kit */
.kit{background:var(--ink);color:#fff}
.kit .eyebrow{color:#8fb5ff}
.kit .section-head p{color:#a8afbb}
.kit-grid{display:grid;gap:32px;align-items:center}
.kit-media{overflow:hidden;border-radius:24px;background:#fff}
.kit-media img{width:100%;aspect-ratio:1.15;object-fit:contain}
.kit-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:0;padding:0;overflow:hidden;border-radius:var(--radius);background:#2a303a;list-style:none}
.kit-list li{padding:20px;background:#161a21;font-size:15px;font-weight:700;line-height:1.35}
.kit-list span{display:block;margin-bottom:6px;color:#8fb5ff;font-size:12px;font-weight:800;letter-spacing:.08em}
.kit-note{margin-top:16px;color:#8b93a1;font-size:13px}

/* FAQ */
.faq{max-width:780px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:17px;font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 12px;width:12px;height:12px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-3px) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(3px) rotate(-135deg)}
.faq details p{padding:0 40px 22px 0;color:var(--muted);font-size:15.5px}

/* CTA final */
.final-cta{padding:0 0 72px}
.final-card{display:grid;gap:28px;align-items:center;padding:36px 28px;border-radius:28px;background:linear-gradient(135deg,#0f55d1 0%,#1a6dff 55%,#4b8dff 100%);color:#fff;overflow:hidden}
.final-card h2{font-size:clamp(28px,6vw,42px)}
.final-card p{margin-top:12px;color:#dbe6ff;font-size:17px}
.final-card .btn{background:#fff;color:var(--ink);box-shadow:none}
.final-card .btn:hover{background:#eef3ff}
.final-price{display:block;margin-top:18px;font-size:34px;font-weight:800;letter-spacing:-.04em}

/* Página de produto */
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;padding:18px 0;color:var(--muted);font-size:13px}
.breadcrumbs a{text-decoration:none}
.breadcrumbs a:hover{color:var(--ink)}
.product{display:grid;gap:32px;padding-bottom:64px}
.gallery{display:grid;gap:12px;min-width:0}
.gallery-main{position:relative;display:block;width:100%;aspect-ratio:1;padding:0;border:0;border-radius:24px;background:#fff;box-shadow:0 0 0 1px var(--line);overflow:hidden;cursor:zoom-in}
.gallery-main img{width:100%;height:100%;object-fit:contain;transition:opacity .2s}
.gallery-zoom{position:absolute;right:14px;bottom:14px;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.95);box-shadow:0 4px 14px -4px rgba(14,17,22,.25)}
.gallery-zoom svg{width:18px;height:18px}
.gallery-thumbs{display:flex;gap:10px}
.gallery-thumb{flex:0 0 76px;width:76px;height:76px;padding:0;border:0;border-radius:14px;background:#fff;box-shadow:0 0 0 1px var(--line);overflow:hidden;cursor:pointer;transition:box-shadow .15s}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}
.gallery-thumb:hover{box-shadow:0 0 0 1px var(--ink-soft)}
.gallery-thumb.is-active{box-shadow:0 0 0 2px var(--ink)}

.buybox h1{font-size:clamp(32px,7vw,44px)}
.rating-line{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--muted);font-size:13px;font-weight:600}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#eaf1ff;color:var(--accent-dark);font-size:12px;font-weight:800}
.buybox-lead{margin-top:14px;color:var(--ink-soft);font-size:16.5px}
.price-card{margin-top:26px;padding:22px;border-radius:var(--radius);background:var(--surface)}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:18px}
.price-row strong{font-size:42px;font-weight:800;letter-spacing:-.04em;line-height:1}
.price-row span{color:var(--muted);font-size:14px;font-weight:600}
.secure-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px;color:var(--muted);font-size:13px;font-weight:600}
.secure-note svg{width:15px;height:15px;color:var(--success)}
.buy-perks{display:grid;gap:14px;margin:22px 0 0;padding:0;list-style:none}
.buy-perks li{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;line-height:1.35}
.buy-perks small{display:block;color:var(--muted);font-size:13px;font-weight:500}
.specs{margin-top:28px;border-top:1px solid var(--line)}
.specs h2{padding:22px 0 12px;font-size:18px;letter-spacing:-.02em}
.specs dl{margin:0}
.specs dl div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.specs dt{color:var(--muted)}
.specs dd{margin:0;font-weight:700;text-align:right}

/* Barra de compra fixa (mobile) */
.sticky-buy{position:fixed;z-index:45;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s}
.sticky-buy.is-visible{transform:none}
.sticky-buy div{line-height:1.2}
.sticky-buy small{display:block;color:var(--muted);font-size:12px;font-weight:600}
.sticky-buy strong{font-size:20px;font-weight:800;letter-spacing:-.03em}
.sticky-buy .btn{min-height:48px;padding:0 22px;font-size:15px}

/* Lightbox */
.lightbox{width:min(960px,calc(100% - 24px));max-height:calc(100% - 24px);padding:0;border:0;border-radius:20px;background:#fff;box-shadow:0 30px 90px rgba(0,0,0,.4)}
.lightbox::backdrop{background:rgba(8,10,14,.8)}
.lightbox img{width:100%;max-height:calc(100vh - 48px);object-fit:contain}
.lightbox button{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:50%;background:var(--ink);color:#fff;font-size:22px;line-height:1;cursor:pointer}

/* Rodapé */
.site-footer{padding:48px 0 32px;border-top:1px solid var(--line);background:var(--surface)}
.footer-grid{display:grid;gap:28px}
.footer-grid p{max-width:340px;margin-top:10px;color:var(--muted);font-size:14px}
.footer-grid h3{margin-bottom:12px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.footer-grid ul{display:grid;gap:8px;margin:0;padding:0;list-style:none;font-size:14.5px;font-weight:600}
.footer-grid ul a{text-decoration:none}
.footer-grid ul a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.has-sticky .site-footer{padding-bottom:110px}

@media (min-width:640px){
  .topbar span+span{display:inline-flex}
  .hero-actions{flex-direction:row}
  .features{grid-template-columns:1fr 1fr}
  .assurance ul{grid-template-columns:repeat(4,1fr)}
  .final-card{padding:48px}
}

@media (min-width:900px){
  .shell{width:calc(100% - 64px)}
  .header-row{height:72px}
  .main-nav{display:flex;gap:32px}
  .section{padding:104px 0}
  .hero{padding:72px 0 88px}
  .hero-grid{grid-template-columns:1fr 1.05fr;gap:64px}
  .features{grid-template-columns:repeat(4,1fr)}
  .showcase{grid-template-columns:1fr 1fr;gap:72px}
  .kit-grid{grid-template-columns:1.1fr 1fr;gap:56px}
  .final-cta{padding-bottom:104px}
  .final-card{grid-template-columns:1fr auto;padding:64px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}

  .breadcrumbs{padding:28px 0}
  .product{grid-template-columns:minmax(0,1.15fr) minmax(380px,.85fr);gap:56px;align-items:start;padding-bottom:96px}
  .gallery{grid-template-columns:84px minmax(0,1fr);gap:16px;position:sticky;top:96px}
  .gallery-thumbs{flex-direction:column;order:-1}
  .gallery-thumb{flex-basis:84px;width:84px;height:84px}
  .buybox{padding-top:8px}
  .sticky-buy{display:none}
  .has-sticky .site-footer{padding-bottom:32px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
}