/* =========================================================
   PRIME IMPORTS — Premium Tech v2
   Ardósia + Titânio, ambient glow ciano/violeta, grão fino,
   Space Grotesk (títulos) + Plus Jakarta Sans (texto)
   ========================================================= */

:root {
    --slate-900: #0b0d11;
    --slate-800: #11141a;
    --slate-700: #181c24;
    --titanium-100: #f1f2f5;
    --titanium-300: #c3c7d0;
    --titanium-500: #8a8f9b;
    --titanium-700: #525763;
    --line: rgba(255, 255, 255, .08);
    --glass: rgba(255, 255, 255, .04);
    --glass-strong: rgba(255, 255, 255, .075);
    --cyan: #67e8f9;
    --violet: #a78bfa;
    --deal: #d9b877;
    --wa: #25d366;
    --radius: 24px;
    --radius-sm: 14px;
    --ease: cubic-bezier(.22, .8, .24, 1);
    --header-h: 76px;
    --font-display: 'Space Grotesk', 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-text: 'Plus Jakarta Sans', 'Inter', -apple-system, 'SF Pro Display', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-text);
    background: var(--slate-900);
    color: var(--titanium-100);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
body.viewer-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }

.container { width: min(1200px, 100% - 48px); margin-inline: auto; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- Fundo: ardósia + glow + grão ---------- */
.ambient {
    position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden;
    background:
        radial-gradient(120% 80% at 50% -10%, var(--slate-700) 0%, transparent 60%),
        linear-gradient(180deg, var(--slate-800) 0%, var(--slate-900) 55%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(110px); opacity: .5; }
.glow-cyan { width: 55vw; height: 55vw; left: -18vw; top: 8vh; background: radial-gradient(circle, rgba(103, 232, 249, .30), transparent 65%); animation: drift 22s ease-in-out infinite alternate; }
.glow-violet { width: 60vw; height: 60vw; right: -22vw; top: -12vh; background: radial-gradient(circle, rgba(167, 139, 250, .34), transparent 65%); animation: drift 26s ease-in-out infinite alternate-reverse; }

.grain {
    position: fixed; inset: -50%; z-index: -1; pointer-events: none;
    opacity: .07; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Tipografia ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.035em; line-height: 1.02; }
h1 { font-size: clamp(2.8rem, 7vw, 5.6rem); }
h1 em {
    font-style: normal;
    background: linear-gradient(110deg, #fff 0%, var(--cyan) 50%, var(--violet) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h3 { font-size: 1.2rem; letter-spacing: -.02em; line-height: 1.15; }

.eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: .74rem; font-weight: 500;
    letter-spacing: .26em; text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 22px;
}
.lead { color: var(--titanium-500); font-size: 1.05rem; max-width: 560px; }

/* ---------- Glass ---------- */
.glass {
    background: var(--glass);
    border: 1px solid var(--line);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    backdrop-filter: blur(22px) saturate(140%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}

/* ---------- Botões ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 15px 28px; border-radius: 999px;
    font-size: .84rem; font-weight: 700; letter-spacing: .03em;
    transition: transform .35s var(--ease), background .35s, color .35s, border-color .35s, box-shadow .35s;
}
.btn i { transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover .fa-arrow-right-long { transform: translateX(5px); }
.btn:hover .fa-arrow-left-long { transform: translateX(-5px); }
.btn:active { transform: translateY(0) scale(.98); }

.btn-primary { background: var(--titanium-100); color: var(--slate-900); }
.btn-primary:hover { background: #fff; box-shadow: 0 14px 44px -10px rgba(103, 232, 249, .45); }
.btn-ghost { border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--titanium-300); background: var(--glass); }
.btn-glass { background: var(--glass-strong); border: 1px solid var(--line); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.btn-glass:hover { background: rgba(255, 255, 255, .13); border-color: var(--titanium-500); }
.btn-lg { padding: 18px 34px; font-size: .92rem; }
.btn-nav { padding: 11px 20px; font-size: .78rem; }

/* ---------- Navbar ---------- */
.navbar {
    position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
    display: flex; align-items: center;
    background: rgba(11, 13, 17, .5);
    -webkit-backdrop-filter: blur(24px) saturate(160%); backdrop-filter: blur(24px) saturate(160%);
    border-bottom: 1px solid transparent;
    transition: border-color .4s, background .4s;
}
.navbar.scrolled { border-bottom-color: var(--line); background: rgba(11, 13, 17, .75); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { font-family: var(--font-display); font-weight: 700; letter-spacing: .2em; font-size: .95rem; }
.logo span { font-weight: 500; color: var(--titanium-500); margin-left: .35em; }

.nav { display: flex; gap: 36px; }
.nav-link {
    position: relative; font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
    color: var(--titanium-500); transition: color .3s;
}
.nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -6px; height: 1px; width: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.nav-link:hover { color: var(--titanium-100); }
.nav-link:hover::after { transform: scaleX(1); }

.menu-toggle { display: none; width: 44px; height: 44px; position: relative; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--titanium-100); transition: transform .35s var(--ease), top .35s var(--ease); }
.menu-toggle span:first-child { top: 18px; }
.menu-toggle span:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

/* =========================================================
   3D — variáveis escritas pelo JS em qualquer [data-tilt]
   ========================================================= */
[data-tilt] { --rx: 0deg; --ry: 0deg; --px: 0; --py: 0; --mx: 50%; --my: 30%; --br: 1; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--header-h) + 40px) 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; }
.hero-sub { margin: 32px 0 40px; max-width: 480px; color: var(--titanium-300); font-size: 1.1rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.hero-stats strong { display: block; font-family: var(--font-display); font-size: 1.2rem; letter-spacing: -.01em; }
.hero-stats span { font-size: .75rem; color: var(--titanium-500); letter-spacing: .05em; }

.hero-visual {
    position: relative; display: grid; place-items: center; min-height: 480px;
    perspective: 1000px; transform-style: preserve-3d;
}
.halo {
    position: absolute; width: 80%; aspect-ratio: 1; border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 139, 250, .30), rgba(103, 232, 249, .12) 45%, transparent 68%);
    filter: blur(34px); animation: breathe 7s ease-in-out infinite;
}
.hero-phone {
    position: relative; width: min(100%, 440px);
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(60px);
    transition: transform .7s var(--ease);
    filter: drop-shadow(0 40px 40px rgba(0, 0, 0, .55)) drop-shadow(0 8px 10px rgba(0, 0, 0, .4)) brightness(var(--br));
    animation: float 8s ease-in-out infinite;
}
.hero-visual.is-tilting .hero-phone { transition: transform .1s linear; }
.hero-chip { position: absolute; z-index: 2; transform: translateZ(140px); right: 2%; bottom: 8%; display: flex; flex-direction: column; gap: 2px; padding: 16px 24px; border-radius: var(--radius-sm); }
.hero-chip span { font-size: .7rem; color: var(--titanium-500); letter-spacing: .1em; text-transform: uppercase; }
.hero-chip strong { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: -.02em; }

.scroll-cue { position: absolute; bottom: 28px; left: 50%; translate: -50% 0; color: var(--titanium-700); font-size: .9rem; animation: nudge 2.4s ease-in-out infinite; }

/* ---------- Marcas ---------- */
.brands { border-block: 1px solid var(--line); padding: 36px 0; }
.brands-row { display: flex; justify-content: center; align-items: center; gap: clamp(40px, 9vw, 120px); }
.brands-row img { height: 30px; width: auto; opacity: .4; filter: brightness(0) invert(1); transition: opacity .4s; }
.brands-row img:hover { opacity: .85; }

/* ---------- Seções ---------- */
.section { padding: clamp(100px, 14vw, 190px) 0; }
.section-head { margin-bottom: 64px; }
.section-head h2 { margin-bottom: 20px; }

/* ---------- Filtros ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.filter {
    padding: 12px 26px; border-radius: 999px;
    font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    color: var(--titanium-500); border: 1px solid var(--line);
    transition: color .3s, background .3s, border-color .3s, transform .3s var(--ease);
}
.filter:hover { color: var(--titanium-100); border-color: var(--titanium-500); transform: translateY(-1px); }
.filter.active { background: var(--titanium-100); color: var(--slate-900); border-color: var(--titanium-100); }
.filter-deal { color: var(--deal); border-color: rgba(217, 184, 119, .35); }
.filter-deal:hover { color: var(--deal); border-color: var(--deal); }
.filter-deal.active { background: var(--deal); border-color: var(--deal); color: var(--slate-900); }
.result-count { font-size: .74rem; letter-spacing: .1em; color: var(--titanium-700); margin-bottom: 36px; text-transform: uppercase; }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }

.card {
    position: relative; display: flex; flex-direction: column;
    padding: 22px 22px 24px; border-radius: var(--radius); cursor: pointer;
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
    transform-style: preserve-3d;
    transition: transform .7s var(--ease);
    animation: cardIn .6s var(--ease) both;
    animation-delay: calc(var(--i, 0) * 28ms);
}
.card.is-tilting { transition: transform .1s linear; }

/* vidro isolado em camada própria (backdrop-filter achata o 3D se ficar no pai) */
.card-bg {
    position: absolute; inset: 0; border-radius: inherit; overflow: hidden; pointer-events: none;
    background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    border: 1px solid var(--line);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 30px 60px -30px rgba(0, 0, 0, .7);
    transition: border-color .4s, background .4s;
}
.card-bg::after { /* reflexo de luz que segue o cursor */
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(360px circle at var(--mx) var(--my), rgba(255, 255, 255, .13), rgba(103, 232, 249, .05) 40%, transparent 65%);
    opacity: 0; transition: opacity .4s;
}
.card:hover .card-bg { border-color: rgba(255, 255, 255, .2); }
.card:hover .card-bg::after { opacity: 1; }

.card-top, .card h3, .price, .card-actions { position: relative; }
.card-top { display: flex; justify-content: space-between; align-items: center; min-height: 28px; transform: translateZ(26px); }
.card-brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: .68rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--titanium-500); }
.card-brand img { height: 14px; width: auto; filter: brightness(0) invert(1); opacity: .6; }
.badge { font-size: .64rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); color: var(--titanium-300); }
.badge-deal { color: var(--deal); border-color: rgba(217, 184, 119, .4); background: rgba(217, 184, 119, .08); }

.card-img { position: relative; display: grid; place-items: center; height: 230px; margin: 14px 0 10px; transform-style: preserve-3d; }
.card-img::after { /* sombra de contato no "chão" */
    content: ''; position: absolute; bottom: 4px; width: 55%; height: 18px; border-radius: 50%;
    background: radial-gradient(ellipse, rgba(0, 0, 0, .55), transparent 70%);
    filter: blur(6px);
    transform: translateX(calc(var(--px) * -10px)) scale(1);
    transition: transform .6s var(--ease), opacity .6s;
}
.card:hover .card-img::after { transform: translateX(calc(var(--px) * -14px)) scale(.8); opacity: .6; }

.card-img img {
    position: relative; max-height: 100%; width: auto; object-fit: contain;
    transform: translateZ(70px) translate(calc(var(--px) * 9px), calc(var(--py) * 7px));
    transition: transform .7s var(--ease);
    filter: drop-shadow(0 24px 22px rgba(0, 0, 0, .55)) drop-shadow(0 4px 6px rgba(0, 0, 0, .35)) brightness(var(--br));
    animation: float 7s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * -.4s);
}
.card:hover .card-img img { transform: translateZ(115px) translate(calc(var(--px) * 12px), calc(var(--py) * 9px)); }
.card.is-tilting .card-img img { transition: transform .1s linear; }

.card h3 { margin-bottom: 14px; transform: translateZ(34px); }
.price { margin-top: auto; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; min-height: 46px; transform: translateZ(34px); }
.price-new { font-family: var(--font-display); font-size: 1.65rem; font-weight: 700; letter-spacing: -.03em; }
.price-old { font-size: .85rem; color: var(--titanium-700); text-decoration: line-through; }
.price-off { font-size: .7rem; font-weight: 800; color: var(--deal); letter-spacing: .06em; }

.card-actions { display: flex; gap: 10px; margin-top: 18px; transform: translateZ(40px); }
.card-actions .btn-primary { flex: 1; padding: 14px 18px; }
.btn-wa { width: 50px; padding: 0; font-size: 1.2rem; flex-shrink: 0; }
.btn-wa:hover { color: var(--wa); border-color: var(--wa); }

.empty { grid-column: 1 / -1; text-align: center; padding: 80px 0; color: var(--titanium-500); }

/* ---------- Diferenciais / depoimentos / CTA ---------- */
.features-grid, .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { padding: 44px 36px; border-radius: var(--radius); transition: transform .5s var(--ease), border-color .4s; }
.feature:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, .2); }
.feature i { font-size: 1.6rem; display: block; margin-bottom: 32px; background: linear-gradient(135deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.feature h3 { margin-bottom: 12px; }
.feature p { color: var(--titanium-500); font-size: .95rem; }

.testimonial { padding: 36px; border-radius: var(--radius); display: flex; flex-direction: column; }
.stars { color: var(--deal); font-size: .75rem; letter-spacing: 3px; margin-bottom: 22px; }
.testimonial blockquote { font-size: .97rem; color: var(--titanium-300); line-height: 1.75; flex: 1; }
.testimonial figcaption { margin-top: 28px; font-family: var(--font-display); font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--titanium-500); }

.cta { padding-top: 0; }
.cta-box {
    text-align: center; padding: clamp(56px, 9vw, 120px) 24px; border-radius: 36px;
    background: radial-gradient(60% 90% at 50% 0%, rgba(167, 139, 250, .18), rgba(103, 232, 249, .05) 50%, transparent 75%), var(--glass);
}
.cta-box h2 { max-width: 760px; margin-inline: auto; }
.cta-box .lead { margin: 24px auto 40px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 44px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; }
.footer p { font-size: .78rem; color: var(--titanium-700); }
.credit a { color: var(--titanium-500); transition: color .3s; }
.credit a:hover { color: var(--titanium-100); }
.socials { display: flex; gap: 8px; }
.socials a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); color: var(--titanium-500); transition: color .3s, border-color .3s, transform .3s var(--ease); }
.socials a:hover { color: var(--titanium-100); border-color: var(--titanium-300); transform: translateY(-2px); }

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
    position: fixed; right: 24px; bottom: 24px; z-index: 90;
    width: 58px; height: 58px; display: grid; place-items: center;
    border-radius: 50%; background: var(--wa); color: #fff; font-size: 1.75rem;
    box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .5);
    transition: transform .35s var(--ease);
}
.whatsapp-float::before { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--wa); animation: pulse 2.8s ease-out infinite; }
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* =========================================================
   VISUALIZAÇÃO IMERSIVA DO APARELHO (#produto-id)
   ========================================================= */
.viewer {
    position: fixed; inset: 0; z-index: 200;
    background:
        radial-gradient(70% 60% at 75% 25%, rgba(167, 139, 250, .16), transparent 70%),
        radial-gradient(60% 50% at 10% 70%, rgba(103, 232, 249, .09), transparent 70%),
        linear-gradient(180deg, var(--slate-800), var(--slate-900));
    opacity: 0; visibility: hidden; transform: scale(1.02);
    transition: opacity .45s var(--ease), transform .55s var(--ease), visibility 0s .45s;
}
.viewer.open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.viewer-scroll { height: 100%; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; padding-bottom: 80px; }

.v-bar {
    position: sticky; top: 0; z-index: 5;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px max(24px, calc((100% - 1200px) / 2));
    background: rgba(11, 13, 17, .6);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
}
.v-bar .btn { padding: 11px 20px; font-size: .78rem; }
.v-x { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: background .3s, transform .3s var(--ease); }
.v-x:hover { background: var(--glass-strong); transform: rotate(90deg); }

.v-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-top: clamp(40px, 7vw, 90px); }
.v-title { font-size: clamp(2.6rem, 6vw, 5rem); margin-bottom: 24px; }
.v-pitch { color: var(--titanium-300); font-size: 1.08rem; max-width: 480px; }
.v-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px; margin: 36px 0; }
.v-price strong { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.4rem); letter-spacing: -.04em; line-height: 1; }
.v-price .price-old { font-size: 1.05rem; }
.v-price .price-off { font-size: .8rem; }
.v-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.v-perks { display: flex; gap: 12px 26px; flex-wrap: wrap; margin-top: 36px; font-size: .8rem; color: var(--titanium-500); }
.v-perks i { color: var(--cyan); margin-right: 8px; }

.v-stage { position: relative; display: grid; place-items: center; min-height: clamp(380px, 52vw, 600px); perspective: 1000px; transform-style: preserve-3d; }
.v-phone {
    position: relative; max-height: clamp(340px, 48vw, 560px); max-width: 88%; width: auto; object-fit: contain;
    transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateZ(80px);
    transition: transform .7s var(--ease);
    filter: drop-shadow(0 50px 50px rgba(0, 0, 0, .6)) drop-shadow(0 8px 10px rgba(0, 0, 0, .4)) brightness(var(--br));
    animation: float 8s ease-in-out infinite;
}
.v-stage.is-tilting .v-phone { transition: transform .1s linear; }
.v-floor {
    position: absolute; bottom: 4%; width: 46%; height: 22px; border-radius: 50%;
    background: radial-gradient(ellipse, rgba(0, 0, 0, .6), transparent 70%); filter: blur(8px);
    animation: floor 8s ease-in-out infinite;
}

.v-tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: clamp(60px, 9vw, 110px); }
.tile {
    padding: 28px 24px; border-radius: var(--radius); border: 1px solid var(--line);
    background: linear-gradient(160deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    display: flex; flex-direction: column; gap: 6px;
}
.tile i { color: var(--cyan); font-size: 1.1rem; margin-bottom: 14px; }
.tile-label { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--titanium-500); }
.tile strong { font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 1.9rem); letter-spacing: -.03em; line-height: 1.1; }
.tile small { font-size: .78rem; color: var(--titanium-500); line-height: 1.5; margin-top: 4px; }

.v-specs { margin-top: clamp(80px, 11vw, 150px); }
.v-specs h2 { margin-bottom: 40px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; vertical-align: top; padding: 24px 0; border-top: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 1px solid var(--line); }
.spec-table th { width: 220px; font-family: var(--font-display); font-weight: 500; font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--titanium-500); padding-right: 24px; }
.spec-table td { color: var(--titanium-300); font-size: 1rem; line-height: 1.7; }
.spec-table td b { color: var(--titanium-100); font-weight: 700; }
.v-note { margin-top: 24px; font-size: .78rem; color: var(--titanium-700); }

.v-final { margin-top: clamp(70px, 10vw, 130px); }

.v-related { margin-top: clamp(70px, 10vw, 120px); }
.v-related h3 { margin-bottom: 24px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-card {
    display: grid; grid-template-columns: 90px 1fr; grid-template-rows: auto auto; align-items: center; column-gap: 20px;
    padding: 18px 22px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--glass);
    transition: border-color .3s, transform .4s var(--ease), background .3s;
}
.related-card:hover { border-color: rgba(255, 255, 255, .22); transform: translateY(-4px); background: var(--glass-strong); }
.related-card img { grid-row: 1 / 3; height: 90px; width: auto; margin-inline: auto; filter: drop-shadow(0 10px 10px rgba(0, 0, 0, .5)); }
.related-card span { font-family: var(--font-display); font-weight: 700; align-self: end; }
.related-card strong { font-size: .9rem; color: var(--titanium-500); font-weight: 600; align-self: start; }

/* entrada escalonada do conteúdo */
.viewer.open .v-copy > *, .viewer.open .v-tiles .tile { animation: cardIn .7s var(--ease) both; }
.viewer.open .v-copy > :nth-child(2) { animation-delay: .06s; }
.viewer.open .v-copy > :nth-child(3) { animation-delay: .12s; }
.viewer.open .v-copy > :nth-child(4) { animation-delay: .18s; }
.viewer.open .v-copy > :nth-child(5) { animation-delay: .24s; }
.viewer.open .v-copy > :nth-child(6) { animation-delay: .3s; }
.viewer.open .v-stage { animation: stageIn .9s var(--ease) both; }

/* ---------- Keyframes ---------- */
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }
@keyframes floor { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(.82); opacity: .6; } }
@keyframes breathe { 0%, 100% { opacity: .7; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes drift { from { transform: translate(0, 0); } to { transform: translate(6vw, 5vh); } }
@keyframes nudge { 0%, 100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(7px); opacity: 1; } }
@keyframes pulse { 0% { transform: scale(1); opacity: .7; } 70%, 100% { transform: scale(1.7); opacity: 0; } }
@keyframes cardIn { from { opacity: 0; translate: 0 24px; } to { opacity: 1; translate: 0 0; } }
@keyframes stageIn { from { opacity: 0; scale: .9; } to { opacity: 1; scale: 1; } }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
    .hero-grid, .v-hero { grid-template-columns: 1fr; }
    .hero-grid { text-align: center; }
    .hero-copy { display: flex; flex-direction: column; align-items: center; }
    .hero-sub { margin-inline: auto; }
    .hero-actions, .hero-stats { justify-content: center; }
    .hero-visual { min-height: 380px; order: -1; }
    .hero-phone { width: min(70%, 320px); }
    .hero-chip { right: 6%; }
    .features-grid, .testimonials-grid, .related-grid { grid-template-columns: 1fr; }
    .v-tiles { grid-template-columns: 1fr 1fr; }
    .v-stage { order: -1; }
    .scroll-cue { display: none; }
}

@media (max-width: 820px) {
    .menu-toggle { display: block; }
    .btn-nav { display: none; }
    .nav {
        position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; gap: 0;
        background: rgba(11, 13, 17, .94); -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--line); padding: 8px 24px 20px;
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: opacity .35s, transform .35s var(--ease);
    }
    .nav.open { opacity: 1; transform: none; pointer-events: auto; }
    .nav-link { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: .85rem; }
    .nav-link::after { display: none; }
}

@media (max-width: 640px) {
    .spec-table th, .spec-table td { display: block; width: 100%; }
    .spec-table th { padding: 22px 0 6px; border-top: 1px solid var(--line); }
    .spec-table td { padding: 0 0 22px; border-top: 0; }
    .spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
    .v-bar .logo { display: none; }
}

@media (max-width: 560px) {
    .container { width: calc(100% - 32px); }
    .v-bar { padding-inline: 16px; }
    .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .card { padding: 14px 14px 16px; border-radius: 18px; }
    .card-img { height: 150px; }
    .card h3 { font-size: .98rem; }
    .price-new { font-size: 1.2rem; }
    .card-brand { font-size: .58rem; letter-spacing: .1em; }
    .card-brand img { display: none; }
    .badge { font-size: .56rem; padding: 4px 8px; }
    .card-actions .btn-primary { padding: 12px 8px; font-size: .72rem; }
    .btn-wa { width: 42px; }
    .filters { flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding: 0 16px 6px; scrollbar-width: none; }
    .filters::-webkit-scrollbar { display: none; }
    .filter { white-space: nowrap; padding: 11px 20px; }
    .hero-stats { gap: 24px; }
    .v-tiles { grid-template-columns: 1fr; }
    .v-actions .btn { width: 100%; }
    .whatsapp-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}