:root{--bg:#0a0908;--bg2:#12100e;--card:#171412;--line:#2c2723;--text:#e8e1d4;--muted:#a39a8b;--red:#9c1c24;--red2:#c42a33;--gold:#c9a24a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 Roboto,"Segoe UI",system-ui,Arial,sans-serif;color-scheme:dark}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:"Roboto Condensed",Roboto,"Arial Narrow",sans-serif;font-weight:700;line-height:1.15;margin:0 0 .5em;letter-spacing:.02em}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 clamp(16px,4vw,56px)}

/* barra */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .25s,box-shadow .25s}
.nav.solid{background:#0a0908ee;box-shadow:0 1px 0 var(--line);backdrop-filter:blur(8px)}
.nav-in{display:flex;align-items:center;gap:clamp(12px,2vw,32px);padding-top:10px;padding-bottom:10px}
.logo{display:flex;align-items:center;gap:12px;font-family:"Roboto Condensed",Roboto,sans-serif;letter-spacing:.08em;font-size:1.05rem;white-space:nowrap}
.logo img{width:44px;height:44px;border-radius:3px}
.logo small{display:block;font-size:.62rem;color:var(--muted);letter-spacing:.2em;text-transform:uppercase}
.links{display:flex;gap:clamp(10px,1.8vw,26px);margin-left:auto;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase}
.links a{padding:6px 2px;border-bottom:2px solid transparent;white-space:nowrap}
.links a:hover{border-color:var(--red2)}
.btn{display:inline-block;background:var(--red);color:#fff;padding:13px 28px;font-size:.85rem;letter-spacing:.16em;text-transform:uppercase;border:1px solid var(--red2);cursor:pointer;font-family:inherit;transition:background .2s}
.btn:hover{background:var(--red2)}
.btn.ghost{background:transparent;border-color:#ffffff66}
.btn.ghost:hover{background:#ffffff1a}
.btn.off{opacity:.55;cursor:not-allowed}
.nav .btn{padding:9px 18px;font-size:.75rem}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);padding:8px 12px;margin-left:auto;font-size:1.1rem;cursor:pointer}

/* hero */
.hero{position:relative;min-height:min(100vh,860px);display:flex;align-items:flex-end;background:#000;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0a090899 0,#0a090833 28%,#0a0908cc 78%,var(--bg) 100%),linear-gradient(90deg,#0a0908cc 0,transparent 60%)}
.hero .wrap{position:relative;padding-bottom:clamp(48px,9vh,110px);padding-top:140px}
.eyebrow{font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin:0 0 14px}
.hero h1{font-size:clamp(2.4rem,7vw,5.4rem);max-width:14ch;text-shadow:0 4px 30px #000}
.hero h1 span{display:block;font-size:.42em;letter-spacing:.18em;color:var(--gold);margin-bottom:.4em;text-transform:uppercase}
.hero p.sub{font-size:clamp(1rem,1.6vw,1.25rem);max-width:46ch;color:#ddd3c3;margin:0 0 28px;text-shadow:0 2px 12px #000}
.cta{display:flex;gap:14px;flex-wrap:wrap}

/* faixa */
.strip{background:var(--red);padding:14px 0;font-size:.9rem;letter-spacing:.06em}
.strip .wrap{display:flex;gap:12px 28px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.strip b{letter-spacing:.2em;text-transform:uppercase}

/* secoes alternadas */
.feat{padding:clamp(56px,9vw,120px) 0}
.feat:nth-of-type(even){background:var(--bg2)}
.feat .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.feat.rev .wrap{grid-template-columns:1fr 1.1fr}
.feat.rev .pic{order:2}
.pic{position:relative;overflow:hidden;border:1px solid var(--line);box-shadow:0 20px 60px #000a;background:#000}
.pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .6s}
.pic:hover img{transform:scale(1.03)}
.pic.tall img{aspect-ratio:4/5;object-position:center top}
.txt h2{font-size:clamp(1.8rem,3.4vw,2.9rem)}
.txt p{color:#cfc6b6;max-width:56ch}
.txt ul{padding-left:1.1em;color:#cfc6b6}
.txt .more{display:inline-block;margin-top:10px;color:var(--gold);letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;border-bottom:1px solid var(--gold)}
.txt .more:hover{color:#fff;border-color:#fff}

/* grade */
.grid-sec{padding:clamp(56px,9vw,110px) 0;background:var(--bg2)}
.grid-sec h2{text-align:center;font-size:clamp(1.8rem,3.4vw,2.9rem)}
.grid-sec .lead{text-align:center;color:var(--muted);max-width:60ch;margin:0 auto 40px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:18px}
.tile{background:var(--card);border:1px solid var(--line);padding:26px 22px;transition:border-color .2s,transform .2s}
.tile:hover{border-color:var(--red2);transform:translateY(-3px)}
.tile svg{color:var(--gold);margin-bottom:12px}
.tile h3{font-size:1.15rem;margin-bottom:.3em}
.tile p{margin:0;color:var(--muted);font-size:.95rem}

/* chamada */
.final{padding:clamp(56px,9vw,120px) 0;background:linear-gradient(135deg,#2a0d10,#0a0908 70%)}
.final .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,5vw,72px);align-items:center}
.final .pic{order:2}
.final h2{font-size:clamp(1.8rem,3.4vw,2.9rem)}
.final p{color:#d6ccbb;max-width:50ch}
.final .cta{margin-top:22px}

/* faq */
.faq{padding:clamp(56px,9vw,110px) 0}
.faq h2{text-align:center;font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:1em}
.faq-list{max-width:860px;margin:0 auto}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font-family:"Roboto Condensed",Roboto,sans-serif;font-size:1.15rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--gold);transition:transform .2s}
details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details p{margin:0 0 20px;color:#cfc6b6;max-width:70ch}
details a{color:var(--gold);border-bottom:1px solid #c9a24a66}

footer{background:#050404;border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:space-between}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a:hover{color:#fff}
footer .brand{display:flex;gap:12px;align-items:center}
footer img{width:38px;height:38px}

@media (max-width:1100px){
  .feat .wrap,.feat.rev .wrap{grid-template-columns:1fr}
  .feat.rev .pic{order:0}
  .burger{display:block}
  .links{display:none;position:absolute;top:100%;left:0;right:0;background:#0a0908f5;flex-direction:column;padding:12px clamp(16px,4vw,56px) 20px;gap:4px;margin:0;border-bottom:1px solid var(--line)}
  .links.open{display:flex}
  .links a{padding:12px 0}
  .nav .btn{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.mark{margin:0 auto 14px;border-radius:3px}
.faq-list h3{font-size:1.4rem;margin:1.6em 0 .2em;color:var(--gold)}
@media (max-width:1100px){.final .wrap{grid-template-columns:1fr}.final .pic{order:0}}

/* logo preto: sobre fundo claro para aparecer */
.logo img,footer img,.mark{background:#fff;padding:3px;border-radius:4px}
/* abaixo do hero: fundo branco */
.light{--bg:#fff;--bg2:#f3efe8;--card:#fff;--line:#ddd5c8;--text:#1a1714;--muted:#5d5448;background:#fff;color:var(--text)}
.light .feat:nth-of-type(even){background:var(--bg2)}
.light .grid-sec{background:var(--bg2)}
.light .txt p,.light .txt ul,.light details p,.light .grid-sec .lead,.light .tile p{color:#4a4238}
.light .pic{border-color:var(--line);box-shadow:0 16px 40px #0002}
.light .txt .more{color:var(--red);border-color:var(--red)}
.light .txt .more:hover{color:#000;border-color:#000}
.light .tile{background:#fff}
.light .tile svg{color:var(--red)}
.light .eyebrow{color:var(--red)}
.light details a{color:var(--red);border-color:#9c1c2455}
.light summary::after{color:var(--red)}
/* download */
.dl{padding:clamp(48px,8vw,96px) 0;border-bottom:1px solid var(--line)}
.dl .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:start}
.dl h2{font-size:clamp(1.9rem,3.6vw,3rem)}
.dl .lead{color:#4a4238;max-width:44ch}
.dl .cta{margin:18px 0 8px}
.small{font-size:.85rem;color:var(--muted)}
.req{background:var(--bg2);border:1px solid var(--line);padding:26px clamp(18px,3vw,34px)}
.req h3{font-size:1.3rem}
.req dl{margin:0}
.req dl div{display:grid;grid-template-columns:minmax(120px,35%) 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.req dt{font-weight:700;font-size:.9rem;letter-spacing:.04em}
.req dd{margin:0;color:#4a4238}
@media (max-width:900px){.dl .wrap{grid-template-columns:1fr}}

.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.slide.on{opacity:1}
.hero::before{z-index:1}
.hero .wrap{z-index:2}
.dots{position:absolute;z-index:3;right:clamp(16px,4vw,56px);bottom:clamp(20px,4vh,40px);display:flex;gap:10px}
.dots button{width:34px;height:4px;border:0;padding:0;background:#ffffff55;cursor:pointer}
.dots button.on{background:var(--red2)}
.dots button:hover{background:#fff}

.dl{background:linear-gradient(90deg,#fffffff2 0,#ffffffd9 55%,#ffffff99),url(../img/site/download-bg.jpg) center/cover}
.req{background:#ffffffe6;backdrop-filter:blur(4px)}

.wp-sec{padding:130px 0 90px}
.wp-sec h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.wp-sec .lead{color:#4a4238}
.wp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,380px),1fr));gap:24px;margin-top:30px}
.wp-card{margin:0;background:#fff;border:1px solid var(--line);box-shadow:0 14px 34px #0002;overflow:hidden}
.wp-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.wp-card:hover img{transform:scale(1.04)}
.wp-card figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px}
.wp-card .btn{padding:9px 16px;font-size:.72rem}

h1,h2,h3{font-weight:700;letter-spacing:0}
.hero h1{text-transform:uppercase;letter-spacing:.01em}