:root{
  --ink:#0b1220; --ink-2:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#ffffff; --bg-2:#f8fafc; --brand:#0b1220; --wa:#25d366; --wa-dark:#1eb85a;
  --radius:14px; --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:#0b57d0;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* header */
.top{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 20px;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:1.05rem;letter-spacing:-.02em;color:var(--ink)}
.top nav{display:flex;gap:18px;flex-wrap:wrap}
.top nav a{font-size:.9rem;color:var(--ink-2);font-weight:500}
.top .cta-mini{background:var(--wa);color:#fff;padding:9px 16px;border-radius:999px;font-weight:700;font-size:.88rem}
.top .cta-mini:hover{background:var(--wa-dark);text-decoration:none}

/* layout */
main{max-width:820px;margin:0 auto;padding:28px 20px 110px}
h1{font-size:2.1rem;line-height:1.15;letter-spacing:-.03em;margin:8px 0 12px}
h2{font-size:1.3rem;letter-spacing:-.02em;margin:34px 0 10px}
h3{font-size:1.05rem;margin:22px 0 6px}
p{margin:10px 0}
.lead{font-size:1.08rem;color:var(--ink-2)}
.crumb{font-size:.82rem;color:var(--muted);margin:0 0 4px}
.crumb a{color:var(--muted)}

/* hero */
.hero{background:linear-gradient(160deg,#0b1220 0%,#13213a 55%,#0e2a4d 100%);color:#fff;
  border-radius:22px;padding:40px 28px;margin:6px 0 26px;box-shadow:var(--shadow)}
.hero h1{color:#fff;font-size:2.25rem;margin-top:0}
.hero p{color:#c9d6e8;font-size:1.06rem;max-width:640px}
.hero .pill{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  padding:6px 12px;border-radius:999px;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.hero .cta{margin-top:22px}
.hero .trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;color:#9fb3cc;font-size:.85rem}

/* botão principal */
.cta{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--wa);color:#fff;font-weight:800;font-size:1.12rem;
  padding:18px 30px;border-radius:14px;box-shadow:0 10px 24px rgba(37,211,102,.28);
  transition:transform .15s ease,box-shadow .15s ease}
.cta:hover{background:var(--wa-dark);text-decoration:none;transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(37,211,102,.34)}
.cta svg{width:22px;height:22px;flex:0 0 auto}
.cta-block{display:block;text-align:center;margin:30px 0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:14px 0 6px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--bg);
  transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.card:hover{border-color:#cbd5e1;box-shadow:var(--shadow);transform:translateY(-1px);text-decoration:none}
.card b{display:block;color:var(--ink);font-size:1rem;margin-bottom:2px}
.card span{color:var(--muted);font-size:.88rem}
.card a{color:inherit}

/* listas e tabelas */
ul,ol{padding-left:22px}
li{margin:5px 0}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-2);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:none}

/* faq */
details{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:8px 0;background:var(--bg)}
details[open]{background:var(--bg-2)}
summary{cursor:pointer;font-weight:650;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"+";display:inline-block;width:18px;color:var(--muted);font-weight:700}
details[open] summary::before{content:"–"}

/* barra fixa mobile */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  display:flex;align-items:center;gap:12px;justify-content:center}
.bar .txt{font-size:.82rem;color:var(--muted);line-height:1.2}
.bar .cta{font-size:1rem;padding:13px 22px;flex:1;max-width:420px}

footer{border-top:1px solid var(--line);padding:26px 20px 40px;margin-top:20px;
  font-size:.82rem;color:var(--muted);text-align:center;background:var(--bg-2)}
footer a{color:var(--muted)}

@media (max-width:640px){
  h1{font-size:1.75rem}
  .hero{padding:30px 20px;border-radius:18px}
  .hero h1{font-size:1.85rem}
  .top nav{display:none}
  .top .cta-mini{display:none}
  main{padding-bottom:100px}
  .cta{width:100%;font-size:1.05rem;padding:16px 20px}
}
@media (min-width:641px){ .bar{display:none} }