:root{
  --bg:#07070a;
  --ink:#0b0b0e;
  --silver-hi:#eceef0;
  --silver-lo:#4b4f55;
  --red:#b31224;
  --text:#dfe1e4;
  --text-dim:#8c9096;
  --line:#23262b;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:980px;margin:0 auto;padding:0 24px;}

/* ---------- abertura / stage ---------- */
#stage{height:600vh;position:relative;background:#000;}
#stage-pin{position:sticky;top:0;height:100vh;overflow:hidden;background:#000;}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;}
#gl-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#1a1a1d,#000 70%);}
.fallback-logo{font-family:var(--serif);font-size:48px;letter-spacing:2px;color:var(--silver-hi);}
.fallback-logo span{display:block;font-family:var(--sans);font-size:14px;letter-spacing:6px;color:var(--text-dim);text-align:center;}

#top-nav{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;
  padding:22px 32px;z-index:20;font-family:var(--sans);}
.brand-mark{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:1px;
  background:linear-gradient(135deg,var(--silver-hi) 20%,var(--silver-lo) 55%,var(--silver-hi) 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-mark .d{display:block;font-family:var(--sans);font-size:9px;letter-spacing:3px;color:var(--text-dim);
  -webkit-text-fill-color:var(--text-dim);text-align:left;}
#top-nav nav{display:flex;gap:26px;}
#top-nav nav a{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dim);}
.top-actions{display:flex;align-items:center;gap:14px;}
#sound-btn{background:none;border:none;color:var(--text-dim);font-size:10px;letter-spacing:2px;cursor:pointer;font-family:var(--sans);}
#sound-btn[aria-pressed="true"]{color:var(--silver-hi);}
.btn-outline{border:1px solid var(--red);color:var(--red);padding:9px 16px;font-size:11px;letter-spacing:1px;text-transform:uppercase;}
.btn-outline:hover{background:var(--red);color:#fff;}
.btn-primary{display:inline-block;background:var(--red);color:#fff;padding:15px 26px;font-size:13px;letter-spacing:1px;text-transform:uppercase;}
.btn-primary:hover{opacity:.87;}

#captions{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:10;}
.caption{position:absolute;font-family:var(--serif);font-size:clamp(20px,3.6vw,34px);color:#f2f2f2;text-align:center;
  letter-spacing:.5px;opacity:0;transition:opacity .5s ease;max-width:80vw;text-shadow:0 2px 20px rgba(0,0,0,.6);}
.caption.hint{font-family:var(--sans);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--text-dim);
  bottom:48px;top:auto;position:absolute;text-shadow:none;}
.caption.visible{opacity:1;}

#signature{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;opacity:0;transform:translateY(16px);transition:opacity .9s ease, transform .9s ease;pointer-events:none;z-index:15;}
#signature.visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.sig-tagline{font-family:var(--sans);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--red);margin-bottom:18px;}
#signature h1{font-family:var(--serif);font-size:clamp(28px,5vw,46px);color:#f5f5f5;margin:0 0 16px;max-width:680px;}
.sig-sub{font-size:15px;color:var(--text-dim);max-width:480px;margin:0 0 30px;}
.sig-buttons{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}

#skip-btn{position:absolute;bottom:28px;right:28px;z-index:20;background:rgba(10,10,12,.55);border:1px solid var(--line);
  color:var(--text-dim);font-family:var(--sans);font-size:11px;letter-spacing:1px;text-transform:uppercase;
  padding:10px 16px;border-radius:999px;cursor:pointer;backdrop-filter:blur(4px);}
#skip-btn:hover{color:#fff;border-color:var(--red);}

/* ---------- secoes comerciais ---------- */
main section{padding:96px 0;border-bottom:1px solid var(--line);}
.kicker{font-family:var(--sans);font-size:12px;color:var(--red);letter-spacing:2px;text-transform:uppercase;margin-bottom:18px;}
h2{font-family:var(--serif);font-size:clamp(26px,4vw,38px);margin:0 0 24px;color:#f0f0f0;letter-spacing:-.3px;}
.lead{font-size:17px;color:var(--text-dim);max-width:600px;}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:10px;}
.grid3>div{background:var(--bg);padding:28px;}
.grid3 h3{font-family:var(--serif);font-size:20px;margin:14px 0 10px;color:#eee;}
.grid3 p{font-size:14px;color:var(--text-dim);margin:0;}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:10px;}
.grid2>div{background:var(--bg);padding:26px;}
.tag{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--red);}
.grid2 h3{font-family:var(--serif);font-size:19px;margin:10px 0 0;color:#eee;}

.timeline{margin-top:30px;display:grid;gap:22px;}
.step{display:grid;grid-template-columns:50px 1fr;gap:18px;align-items:baseline;}
.step h4{font-family:var(--sans);font-weight:600;font-size:14px;margin:0 0 4px;color:#eee;}
.step p{font-size:14px;color:var(--text-dim);margin:0;}
.num{font-family:var(--serif);font-size:16px;color:var(--red);}

.region{margin-top:18px;font-size:13px;color:var(--text-dim);}
footer{padding:36px 0;font-size:12px;color:var(--text-dim);}

@media (max-width:760px){
  #top-nav nav{display:none;}
  .grid3{grid-template-columns:1fr;}
  .grid2{grid-template-columns:1fr;}
}

@media (prefers-reduced-motion: reduce){
  #stage{height:100vh;}
}