/* Importadora Carlan LTDA - Estilos base, acessíveis e performáticos */
:root{--bg:#ffffff;--bg-alt:#f8fafc;--text:#0f172a;--muted:#475569;--primary:#0b5ed7;--accent:#16a34a;--danger:#b91c1c;--card:#ffffff;--border:#e2e8f0;--shadow:0 10px 25px rgba(0,0,0,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{margin:0;background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);color:var(--text);font:400 16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;}
img{max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none}
a:focus{outline:2px dashed var(--accent);outline-offset:3px}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;border:0;padding:0;clip:rect(0 0 0 0);overflow:hidden}

/* Header fixo */
header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.85);backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.nav a.logo{display:flex;align-items:center;gap:10px;color:var(--text)}
.nav img.logo{width:36px;height:36px}
.nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0}
.nav a{padding:8px 10px;border-radius:8px;color:var(--text)}
.nav a[aria-current="page"]{background:rgba(31,111,235,.15);color:#fff}
.nav .cta{display:flex;gap:10px}
.nav .btn{padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);transition:.2s transform,.2s background}
.nav .btn:hover{transform:translateY(-1px);background:#eef2ff}
#menu-toggle{display:none}
@media (max-width:768px){
  #menu-toggle{display:inline-flex;align-items:center;gap:8px;color:var(--text);background:none;border:1px solid var(--border);padding:8px;border-radius:10px}
  .nav ul{display:none}
  .nav.open ul{display:flex;flex-direction:column;gap:8px;background:var(--bg-alt);padding:12px;border:1px solid var(--border);border-radius:12px}
}

/* Hero */
.hero{padding:64px 0;background:radial-gradient(1200px 400px at 20% -10%,rgba(31,111,235,.25),transparent 60%),radial-gradient(1200px 400px at 80% -10%,rgba(34,197,94,.2),transparent 60%)}
.hero .grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,40px);margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 20px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--primary);color:#fff;box-shadow:var(--shadow);transition:.2s transform,.2s filter}
.button.secondary{background:transparent;color:var(--text)}
.button:hover{transform:translateY(-2px);filter:brightness(1.05)}

/* Seções */
.section{padding:48px 0;border-top:1px solid var(--border)}
.section h2{font-size:clamp(22px,3vw,28px);margin:0 0 12px}
.section p.lead{color:var(--muted);margin:0 0 24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:900px){.grid-3,.grid-2,.hero .grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;transition:.25s transform,.25s box-shadow}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.2)}
.card h3{margin-top:0}
.badge{display:inline-block;background:#14365f;color:#cfe2ff;border:1px solid #1b4b8f;padding:4px 8px;border-radius:999px;font-size:.85rem}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600}

/* Depoimentos */
.testimonial{display:flex;gap:12px;align-items:flex-start}
.testimonial img{width:48px;height:48px;border-radius:50%;border:1px solid var(--border)}

/* Formulário */
form{display:grid;gap:12px}
label{display:block;margin-bottom:4px}
input,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#f8fafc;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary)}
.form-actions{display:flex;gap:10px;align-items:center}
.small{font-size:.9rem;color:var(--muted)}
.success{background:#ecfdf5;color:#166534;border:1px solid #86efac;padding:10px;border-radius:12px}
.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;padding:10px;border-radius:12px}

/* Botão voltar ao topo */
#backToTop{position:fixed;right:16px;bottom:16px;padding:10px 12px;border-radius:999px;border:1px solid var(--border);background:#ffffff;color:var(--text);box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.25s}
#backToTop.visible{opacity:1;transform:none;pointer-events:auto}

/* Banner de Cookies */
#cookieBanner{position:fixed;left:16px;right:16px;bottom:16px;background:var(--bg-alt);border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:var(--shadow);display:none;z-index:1200}
#cookieBanner .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
#cookiePrefs{display:none;background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:12px;margin-top:12px}

/* Animações sutis on scroll */
.reveal{opacity:0;transform:translateY(12px);transition:.5s}
.reveal.in-view{opacity:1;transform:none}

/* Footer */
footer{border-top:1px solid var(--border);background:#f8fafc;color:var(--muted);padding:24px 0}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
@media (max-width:900px){footer .cols{grid-template-columns:1fr}}
footer small{color:var(--muted)}

/* Conteúdo principal */
main{min-height:60vh}

/* Acessibilidade extra */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:12px;top:12px;width:auto;height:auto;background:#111827;color:#fff;padding:8px;border-radius:8px}