/* Base e reset acessível */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#ffffff;--text:#0f172a;--muted:#475569;--line:#e2e8f0;
  --primary:#38bdf8;--primary-600:#0ea5e9;--accent:#22d3ee;--ok:#16a34a;--warn:#f59e0b;--danger:#ef4444;
  --surface:#f8fafc;--shadow:0 10px 30px rgba(2,6,23,0.08);
  --radius:12px;--radius-sm:8px
}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,'Segoe UI',Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans','Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol';}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.section h2{font-size:30px;line-height:1.2;margin:0 0 16px}
.section p.lead{color:var(--muted);font-size:18px;margin:0 0 24px}
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}}

/* Header fixo */
.header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:120px;height:auto}
.nav{display:flex;align-items:center;gap:14px}
.nav a{padding:8px 10px;border-radius:8px;color:var(--muted)}
.nav a[aria-current="page"],.nav a:hover{color:#0f172a;background:var(--surface)}
.menu-toggle{display:none}
@media (max-width:760px){
  .nav{position:fixed;inset:64px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);padding:16px;display:none;flex-direction:column}
  .nav.open{display:flex}
  .menu-toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;background:#fff}
}

/* Hero */
.hero{background:linear-gradient(135deg,#0f172a,#1e293b);color:#e2e8f0;padding:80px 0 64px}
.hero h1{font-size:40px;line-height:1.1;margin:0 0 12px}
.hero p{color:#cbd5e1;font-size:18px;margin:0 0 20px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}

/* Botões e microinterações */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 16px;border:1px solid transparent;transition:transform .12s ease,box-shadow .12s ease,background .2s ease}
.btn:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#073046}
.btn-secondary{background:#fff;border-color:var(--line);color:#0f172a}

/* Cards */
.card{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted)}

/* Lista de etapas */
.steps{counter-reset:st}
.step{display:flex;gap:12px;align-items:flex-start}
.step .n{counter-increment:st;background:var(--surface);border:1px solid var(--line);border-radius:999px;min-width:32px;height:32px;display:grid;place-items:center;font-weight:700}
.step .n::after{content:counter(st)}

/* FAQ acessível */
details{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}
summary{cursor:pointer;font-weight:600}
details p{margin-top:8px;color:var(--muted)}

/* Rodapé */
.footer{border-top:1px solid var(--line);background:#fff;color:var(--muted)}
.footer-inner{display:grid;gap:12px;padding:24px 0}
.footer small{color:#64748b}

/* Botão voltar ao topo */
.back-to-top{position:fixed;right:16px;bottom:16px;border:none;border-radius:999px;width:44px;height:44px;display:grid;place-items:center;background:var(--primary);color:#072230;box-shadow:var(--shadow);cursor:pointer;opacity:0;transform:translateY(20px);pointer-events:none;transition:opacity .2s,transform .2s}
.back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}

/* Animações sutis com IntersectionObserver */
[data-animate]{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease}
[data-animate].is-visible{opacity:1;transform:none}

/* Formulários */
.form{display:grid;gap:12px;max-width:640px}
label{font-weight:600}
.input,textarea,select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#fff}
.hint{font-size:14px;color:var(--muted)}
.required::after{content:' *';color:var(--danger)}
.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;border-radius:10px;padding:12px}

/* Banner de cookies e modal de preferências */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;background:#0b1224;color:#e2e8f0;border:1px solid #1f2a44;border-radius:12px;padding:14px;box-shadow:var(--shadow);display:none;z-index:60}
.cookie-banner.show{display:block}
.cookie-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.cookie-actions .btn{padding:8px 12px}
.cookie-modal{position:fixed;inset:0;display:none;place-items:center;background:rgba(2,6,23,0.6);z-index:70}
.cookie-modal.open{display:grid}
.cookie-box{background:#fff;border-radius:12px;max-width:720px;width:92vw;padding:16px;border:1px solid var(--line)}
.cookie-box h3{margin:0 0 8px}
.prefs{display:grid;gap:8px}
.switch{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);padding:8px 12px;border-radius:10px}

/* Utilidades */
.hidden{position:absolute !important;left:-9999px !important;top:auto !important}
hr.sep{border:0;border-top:1px solid var(--line);margin:18px 0}