/* AUDAC - site estatico POC (audac.com.br) - CSS limpo, responsivo, sem dependencias externas */
:root{
  --azul:#0b3a5b;
  --azul-escuro:#072a43;
  --dourado:#c9a227;
  --cinza-fundo:#f4f5f6;
  --texto:#222;
  --texto-claro:#5b6570;
  --borda:#dfe3e6;
  --max:1120px;
  --radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  color:var(--texto);
  line-height:1.6;
  background:#fff;
}
a{color:var(--azul)}
a:hover{color:var(--azul-escuro)}
img{max-width:100%;height:auto}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:99;border:2px solid var(--azul)}

/* header */
.topo{background:var(--azul-escuro);color:#fff;font-size:.9rem}
.topo__inner{display:flex;justify-content:space-between;gap:12px;padding:6px 16px;flex-wrap:wrap}
.topo a{color:#fff;text-decoration:none}
.header{background:#fff;border-bottom:1px solid var(--borda);position:sticky;top:0;z-index:20}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--azul-escuro)}
.marca img{height:44px;width:auto}
.marca__texto{font-weight:700;letter-spacing:.02em}
.marca__sub{display:block;font-weight:400;font-size:.78rem;color:var(--texto-claro)}
.menu-toggle{display:inline-flex;flex-direction:column;gap:5px;background:var(--azul);border:0;border-radius:8px;padding:10px 12px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff}
.nav{display:none}
.nav--aberto{display:block}
.nav ul{list-style:none;margin:0;padding:8px 0;display:flex;flex-direction:column;gap:2px}
.nav a{display:block;padding:10px 12px;text-decoration:none;color:var(--azul-escuro);border-radius:8px;font-weight:600}
.nav a[aria-current="page"],.nav a:hover{background:var(--cinza-fundo)}

/* hero */
.hero{background:linear-gradient(180deg,var(--azul) 0%,var(--azul-escuro) 100%);color:#fff}
.hero__inner{padding:40px 16px}
.eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:4px 10px;border-radius:999px;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}
.hero h1{font-size:1.9rem;line-height:1.2;margin:.6em 0 .3em}
.hero p{max-width:62ch;color:#e8eef3}
.hero__cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn{display:inline-block;background:var(--dourado);color:#1a1a1a;font-weight:700;text-decoration:none;padding:11px 18px;border-radius:8px}
.btn--fantasma{background:transparent;color:#fff;border:1px solid #fff}
.hero__img{margin-top:18px;border-radius:var(--radius);overflow:hidden}

/* secoes */
.secao{padding:32px 0}
.secao--cinza{background:var(--cinza-fundo)}
h2{color:var(--azul-escuro);line-height:1.25}
.lead{color:var(--texto-claro);max-width:70ch}
.cards{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px}
.card{background:#fff;border:1px solid var(--borda);border-radius:var(--radius);padding:18px}
.card h3{margin-top:0;color:var(--azul)}
.lista{padding-left:20px}
.lista li{margin:6px 0}
.grade-2{display:grid;grid-template-columns:1fr;gap:16px}
.aviso{background:#fff8e1;border:1px solid #f0d27a;border-radius:var(--radius);padding:14px 16px}
.contato-lista{list-style:none;padding:0;margin:12px 0}
.contato-lista li{padding:10px 0;border-bottom:1px solid var(--borda)}
.contato-lista strong{display:block;color:var(--azul-escuro)}
.livros{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.livros figure{margin:0;background:#fff;border:1px solid var(--borda);border-radius:8px;padding:8px;text-align:center}
.livros figcaption{font-size:.85rem;color:var(--texto-claro)}
.apoio{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:12px}
.apoio img{height:40px;width:auto;background:#fff;border:1px solid var(--borda);border-radius:6px;padding:4px}

/* rodape */
.rodape{background:var(--azul-escuro);color:#d6dee5;margin-top:8px}
.rodape__grid{display:grid;grid-template-columns:1fr;gap:18px;padding:28px 16px}
.rodape a{color:#fff}
.rodape h3{color:#fff;margin:0 0 8px;font-size:1rem}
.rodape ul{list-style:none;margin:0;padding:0}
.rodape li{margin:6px 0}
.rodape__base{border-top:1px solid rgba(255,255,255,.18);padding:12px 16px;font-size:.88rem;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* desktop */
@media (min-width:760px){
  .menu-toggle{display:none}
  .nav{display:block}
  .nav ul{flex-direction:row;gap:4px;padding:0}
  .hero__inner{padding:56px 16px}
  .hero h1{font-size:2.6rem}
  .cards{grid-template-columns:repeat(2,1fr)}
  .grade-2{grid-template-columns:1.2fr .8fr;align-items:start}
  .livros{grid-template-columns:repeat(4,1fr)}
  .rodape__grid{grid-template-columns:1.2fr 1fr 1fr}
}
@media (min-width:1020px){
  .cards--3{grid-template-columns:repeat(3,1fr)}
}