:root{
  --ground:#0a0c0f; --ground2:#0e1218; --card:#11151c; --ink:#e8ecf2; --copper:#d3894f;
  --copper-dim:#8a5b34; --mute:#8a93a3; --line:#1c222c;
  --sans:"Helvetica Neue",Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.7;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:300}
/* mesmo ambiente da página inicial: brilho de cobre subtil sobre o fundo escuro */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(85% 55% at 50% -10%, rgba(211,137,79,.12), transparent 56%),
    radial-gradient(120% 100% at 50% 100%, transparent 58%, rgba(3,4,5,.5) 100%)}
a{color:var(--copper);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
header.top{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;
  background:rgba(10,12,15,.94);backdrop-filter:blur(10px)}
header.top .wrap{display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;color:var(--ink)}
.logomark{height:22px;width:auto;display:block;filter:drop-shadow(0 0 14px rgba(211,137,79,.12))}
header.top nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:14px}
header.top nav a{color:#c7cfdb;font-weight:400}header.top nav a:hover{color:var(--copper);text-decoration:none}
main{padding:56px 0 40px}
h1{font-family:var(--sans);font-weight:700;font-size:clamp(28px,5vw,40px);letter-spacing:-.01em;margin-bottom:8px}
.eyebrow{color:var(--copper);font-size:12px;letter-spacing:.34em;text-transform:uppercase;font-weight:600;margin-bottom:14px}
.updated{color:var(--mute);font-size:13px;margin-bottom:34px}
h2{font-weight:600;font-size:19px;margin:34px 0 10px;color:var(--ink)}
p,li{color:#cfd6e0;font-size:15.5px}
p{margin:0 0 14px}ul{margin:0 0 14px;padding-left:22px}li{margin:0 0 7px}
strong{color:var(--ink);font-weight:600}
.lead{font-size:17px;color:#dbe1ea}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;margin:22px 0}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price .amt{font-size:40px;font-weight:700;color:var(--ink)}
.price .per{color:var(--mute)}
.badge{display:inline-block;background:rgba(211,137,79,.12);color:var(--copper);
  border:1px solid var(--copper-dim);border-radius:99px;padding:5px 13px;font-size:13px;font-weight:600;margin-bottom:14px}
.note{color:var(--mute);font-size:13.5px}
footer.foot{border-top:1px solid var(--line);margin-top:46px;padding:30px 0 44px}
footer.foot .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;font-size:13px}
footer.foot a{color:var(--mute)}footer.foot a:hover{color:var(--copper);text-decoration:none}
footer.foot .sep{color:var(--line)}
footer.foot .copy{margin-left:auto;color:var(--mute);letter-spacing:.06em}
@media(max-width:560px){footer.foot .copy{margin-left:0;width:100%}}