/* Datavault AI — carta de vendas simples */

:root{
  --ink:#111111;
  --muted:#444444;
  --line:#dddddd;
  --soft:#f7f7f7;
  --green:#1a9e4b;
  --green-dark:#157a3a;
  --red:#c62828;
  --blue:#1155cc;
  --yellow:#ffee58;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;text-size-adjust:100%}
body{
  margin:0;background:#fff;color:var(--ink);
  font-family:Arial,Helvetica,"Helvetica Neue",sans-serif;
  font-size:18px;line-height:1.65;
}
img,svg{display:block;max-width:100%}
a{color:var(--blue)}

.wrap{width:min(100% - 36px,620px);margin-inline:auto}

/* ---------- topo ---------- */
.topbar{border-bottom:1px solid var(--line);padding:14px 0;text-align:center}
.topbar .brand{font-size:19px;font-weight:bold;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.topbar .brand span{color:var(--green)}

/* ---------- tipografia ---------- */
h1{font-size:34px;line-height:1.22;margin:0 0 18px;letter-spacing:-.02em}
h2{font-size:26px;line-height:1.28;margin:38px 0 14px;letter-spacing:-.015em}
h3{font-size:20px;line-height:1.35;margin:26px 0 8px}
p{margin:0 0 18px}
mark{background:var(--yellow);color:inherit;padding:1px 2px}
.sub{font-size:20px;color:var(--muted);margin-bottom:26px}
.small{font-size:15px;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ---------- listas ---------- */
ul{margin:0 0 20px;padding:0;list-style:none}
li{position:relative;padding-left:30px;margin-bottom:13px}
ul.check li:before{
  content:"";position:absolute;left:4px;top:8px;width:12px;height:7px;
  border-left:3px solid var(--green);border-bottom:3px solid var(--green);
  transform:rotate(-45deg);
}
ul.cross li:before{
  content:"\00d7";position:absolute;left:5px;top:-4px;
  color:var(--red);font-size:24px;font-weight:bold;line-height:1.5;
}

/* ---------- caixas ---------- */
.box{border:1px solid var(--line);background:var(--soft);padding:20px 22px;margin:26px 0}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box-red{border-left:5px solid var(--red);background:#fdf3f3}
.box-green{border-left:5px solid var(--green);background:#f2faf5}

/* ---------- botão ---------- */
.cta{margin:30px 0}
.btn{
  display:block;width:100%;text-align:center;text-decoration:none;
  background:var(--green);color:#fff;font-weight:bold;font-size:21px;
  padding:20px 18px;border:0;border-bottom:4px solid var(--green-dark);
  border-radius:6px;cursor:pointer;font-family:inherit;line-height:1.3;
}
.btn:hover{background:var(--green-dark);border-bottom-color:#0f5c2b}
.btn small{display:block;font-size:14px;font-weight:normal;margin-top:6px;opacity:.9}
.cta .small{text-align:center;margin:10px 0 0}

/* ---------- preço ---------- */
.price{text-align:center;margin:26px 0 6px}
.price s{color:#888;font-size:22px}
.price b{font-size:46px;color:var(--red);margin-left:10px}

/* ---------- rodapé ---------- */
footer{border-top:1px solid var(--line);background:var(--soft);padding:28px 0 50px;margin-top:44px}
footer p{font-size:13px;color:#666;line-height:1.6}
.foot-links{margin-bottom:14px;font-size:14px}
.foot-links a{color:#666;margin-right:16px}
.disclaimer{font-size:12px;color:#777;line-height:1.6;margin-top:14px}

/* ---------- páginas legais ---------- */
.legal{padding:36px 0 60px}
.legal h1{font-size:28px;margin-bottom:4px}
.legal .updated{font-size:14px;color:#777;margin-bottom:26px}
.legal h2{font-size:19px;margin:26px 0 8px}
.legal p,.legal li{font-size:16px}
.legal ul{margin-left:0}
.legal li{padding-left:20px}
.legal li:before{content:"•";position:absolute;left:4px;color:#999}

@media (max-width:520px){
  body{font-size:17px}
  h1{font-size:28px}
  h2{font-size:23px}
  .btn{font-size:18px;padding:18px 14px}
  .price b{font-size:40px}
}