:root {
  --vermelho: #b81f2a;
  --vermelho-esc: #8f1720;
  --texto: #1c1c1e;
  --suave: #606064;
  --linha: #e4e4e6;
  --cinza: #f6f6f7;
  --branco: #fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--texto); background: var(--branco); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.estreito-md { max-width: 760px; }

/* Botões */
.btn { display: inline-block; background: var(--vermelho); color: var(--branco); padding: 13px 26px; border: 1px solid var(--vermelho); border-radius: 4px; font-weight: 600; font-size: .98rem; font-family: inherit; cursor: pointer; transition: background .2s, color .2s; }
.btn:hover { background: var(--vermelho-esc); border-color: var(--vermelho-esc); }
.btn-linha { background: transparent; border-color: rgba(255,255,255,.7); color: var(--branco); }
.btn-linha:hover { background: rgba(255,255,255,.14); border-color: var(--branco); }
.btn-claro { background: var(--branco); color: var(--vermelho); border-color: var(--branco); }
.btn-claro:hover { background: #f0f0f0; border-color: #f0f0f0; }

/* Topo */
.topo { position: absolute; top: 0; left: 0; right: 0; z-index: 10; }
.topo .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 76px; }
.topo-solido { position: static; background: #16161a; }
.marca { display: flex; align-items: center; gap: 10px; color: var(--branco); font-weight: 700; font-size: 1.2rem; }
.marca svg { flex: none; }
.marca em { font-style: normal; font-weight: 400; opacity: .8; }
.topo nav { display: flex; gap: 24px; }
.topo nav a { color: var(--branco); font-size: .95rem; opacity: .88; }
.topo nav a:hover { opacity: 1; }

/* Hero: foto de fundo com vinheta */
.hero {
  min-height: 88vh; display: flex; align-items: center; color: var(--branco); padding: 140px 0 90px;
  background:
    radial-gradient(ellipse at 40% 50%, rgba(0,0,0,.30) 0%, rgba(0,0,0,.82) 100%),
    linear-gradient(90deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.18) 75%),
    url("img/hero.jpg") center / cover no-repeat,
    #262626;
}
.selo { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; opacity: .85; margin-bottom: 14px; }
.hero h1 { font-size: clamp(1.9rem, 4.6vw, 3.1rem); font-weight: 700; line-height: 1.18; max-width: 700px; margin-bottom: 16px; }
.sub { font-size: 1.1rem; max-width: 560px; opacity: .9; margin-bottom: 34px; }
.acoes { display: flex; gap: 12px; flex-wrap: wrap; }

/* Seções */
.secao { padding: 76px 0; }
.cinza { background: var(--cinza); }
h2 { font-size: 1.75rem; font-weight: 700; }
.intro { color: var(--suave); margin: 6px 0 38px; }
.nota { margin-top: 30px; color: var(--suave); font-size: .95rem; }
.nota a { color: var(--vermelho); font-weight: 600; border-bottom: 1px solid currentColor; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; }
.cards article { background: var(--branco); border: 1px solid var(--linha); border-radius: 6px; padding: 26px; }
.cards span { display: block; color: var(--vermelho); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .8px; margin-bottom: 6px; }
.cards h3 { font-size: 1.1rem; margin-bottom: 8px; }
.cards p { color: var(--suave); font-size: .95rem; }

/* Aplicações */
.lista { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; }
.lista li { padding: 14px 18px; border-left: 3px solid var(--vermelho); background: var(--cinza); border-radius: 3px; font-size: .97rem; }

/* Como funciona */
.passos { list-style: none; counter-reset: p; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.passos li { counter-increment: p; position: relative; padding-top: 44px; }
.passos li::before { content: counter(p, decimal-leading-zero); position: absolute; top: 0; left: 0; color: var(--vermelho); font-weight: 700; font-size: 1.5rem; }
.passos strong { display: block; margin-bottom: 4px; }
.passos p { color: var(--suave); font-size: .95rem; }

/* Faixa de chamada */
.faixa { background: var(--vermelho); color: var(--branco); padding: 44px 0; }
.faixa .wrap { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.faixa p { font-size: 1.1rem; max-width: 620px; }

/* Dúvidas */
details { border-bottom: 1px solid var(--linha); padding: 18px 0; }
details summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--vermelho); font-weight: 700; font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--suave); font-size: .96rem; margin-top: 10px; }

/* Páginas internas */
.texto { max-width: 720px; }
.texto h1 { font-size: 2rem; margin-bottom: 6px; }
.texto h2 { font-size: 1.15rem; margin: 30px 0 8px; }
.texto p, .texto li { color: #3a3a3e; }
.texto ul { margin: 8px 0 0 20px; }
.texto li { margin-bottom: 6px; }
.texto a:not(.btn) { color: var(--vermelho); border-bottom: 1px solid currentColor; }
.voltar { margin-top: 38px; font-weight: 600; }

/* Rodapé */
footer { background: #16161a; color: #9a9aa0; padding: 44px 0 28px; font-size: .92rem; }
.rodape { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 30px; padding-bottom: 28px; border-bottom: 1px solid #2a2a30; margin-bottom: 20px; }
.rodape-marca { color: var(--branco); font-weight: 700; font-size: 1.05rem; }
.rodape h3 { color: var(--branco); font-size: .8rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; font-weight: 600; }
.rodape a { color: #c9c9cf; }
.rodape a:hover { color: var(--branco); }
.legais { margin-top: 14px; font-size: .85rem; }
.fino { opacity: .6; font-size: .82rem; }

/* Botão flutuante */
.flutuante { position: fixed; right: 20px; bottom: 20px; display: flex; align-items: center; gap: 9px; background: #25d366; color: var(--branco); padding: 13px 20px; border-radius: 40px; font-weight: 600; font-size: .95rem; box-shadow: 0 4px 16px rgba(0,0,0,.22); z-index: 20; }
.flutuante:hover { background: #1fbb59; }
.flutuante svg { flex: none; }

/* Aviso de cookies */
.cookies { position: fixed; left: 20px; bottom: 20px; right: 90px; max-width: 560px; background: var(--branco); border: 1px solid var(--linha); border-radius: 6px; box-shadow: 0 6px 24px rgba(0,0,0,.14); padding: 18px 20px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; z-index: 30; }
.cookies[hidden] { display: none; }
.cookies p { font-size: .9rem; color: var(--suave); flex: 1; min-width: 220px; }
.cookies a { color: var(--vermelho); border-bottom: 1px solid currentColor; }
.cookies .btn { padding: 9px 20px; font-size: .9rem; }

@media (max-width: 860px) {
  .topo nav { display: none; }
  .topo-solido nav { display: flex; }
  .secao { padding: 56px 0; }
  .hero { min-height: 82vh; padding: 120px 0 70px; }
  .faixa .wrap { flex-direction: column; align-items: flex-start; }
  .cookies { right: 20px; bottom: 90px; }
  .flutuante { padding: 12px 17px; font-size: .9rem; }
}