@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
*{box-sizing:border-box}
:root{
  --azul-900:#0b2540; --azul-800:#0f3a5c; --azul-700:#14507d; --azul-500:#1c6fa8; --azul-300:#5fa8d6;
  --teal:#12b3a0; --bg:#eef3f8; --texto:#1c2a3a; --texto-suave:#5c6b7c; --borda:#dde5ee;
  --sombra:0 10px 30px -12px rgba(15,45,74,.18);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--texto);font:16px/1.7 'Inter',system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}

/* ---------- Header / navegação ---------- */
.topo{position:sticky;top:0;z-index:50;min-height:66px;padding:0 max(24px,calc((100% - 1040px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,var(--azul-900),var(--azul-700));backdrop-filter:blur(6px);box-shadow:0 2px 18px rgba(11,37,64,.25)}
.marca{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;text-decoration:none;font-size:1.12rem;letter-spacing:.01em}
.marca .ponto{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,179,160,.25)}
.topo nav{display:flex;align-self:stretch;gap:2px}
.topo nav a{position:relative;display:flex;align-items:center;padding:0 16px;color:#cfe3f2;text-decoration:none;font-weight:500;font-size:.95rem;transition:color .2s}
.topo nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--teal);transform:scaleX(0);transition:transform .2s}
.topo nav a:hover{color:#fff}
.topo nav a.ativo{color:#fff;font-weight:700}
.topo nav a.ativo::after{transform:scaleX(1)}

/* ---------- Layout geral ---------- */
.container{width:min(1040px,calc(100% - 44px));min-height:calc(100vh - 140px);margin:0 auto;padding:64px 0}
.rotulo{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-weight:800;letter-spacing:.09em;font-size:.75rem;margin:0 0 14px;text-transform:uppercase}
.rotulo::before{content:"";width:18px;height:2px;background:var(--teal);border-radius:2px}
h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.12;letter-spacing:-.01em;margin:.1em 0 .45em;color:var(--azul-900);font-weight:800}
h2{line-height:1.3;color:var(--azul-900);font-weight:700}
p{max-width:720px;color:var(--texto-suave)}
code{padding:.15em .4em;border-radius:5px;background:#e3ecf3;color:var(--azul-800);font-family:ui-monospace,'SFMono-Regular',Menlo,monospace;font-size:.92em}

/* ---------- Hero (início) ---------- */
.hero{position:relative;padding-top:96px;max-width:760px;overflow:visible}
.hero::before{content:"";position:absolute;top:-60px;right:-220px;width:520px;height:520px;background:radial-gradient(circle,rgba(18,179,160,.16),transparent 70%);z-index:-1}
.hero p{font-size:1.08rem}
.acoes{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.botao{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:10px;background:linear-gradient(135deg,var(--azul-700),var(--azul-500));color:#fff;text-decoration:none;font-weight:700;font-size:.95rem;box-shadow:0 8px 20px -6px rgba(20,80,125,.55);transition:transform .18s,box-shadow .18s}
.botao:hover{transform:translateY(-2px);box-shadow:0 12px 26px -6px rgba(20,80,125,.65)}
.botao.secundario{background:#fff;color:var(--azul-800);box-shadow:none;border:1.5px solid var(--borda)}
.botao.secundario:hover{border-color:var(--azul-500);transform:translateY(-2px);box-shadow:var(--sombra)}

/* ---------- Cartões (documentos) ---------- */
.cartoes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:36px}
.cartao{display:block;position:relative;padding:26px 26px 24px;border:1px solid var(--borda);border-radius:14px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 2px 10px rgba(15,45,74,.05);transition:transform .18s,box-shadow .18s,border-color .18s}
.cartao::before{content:"📄";display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:9px;background:#e6f4f2;margin-bottom:14px;font-size:1.1rem}
.cartao:hover{transform:translateY(-4px);border-color:var(--azul-300);box-shadow:var(--sombra)}
.cartao h2{margin:0 0 8px;font-size:1.15rem}
.cartao p{margin:0 0 14px;font-size:.94rem}
.cartao span{color:var(--teal);font-weight:700;font-size:.9rem}

/* ---------- Página Sobre ---------- */
main ol{padding-left:0;list-style:none;counter-reset:passo;max-width:720px;margin-top:24px}
main ol li{position:relative;padding:14px 0 14px 44px;border-bottom:1px solid var(--borda);color:var(--texto-suave)}
main ol li:last-child{border-bottom:none}
main ol li::before{counter-increment:passo;content:counter(passo);position:absolute;left:0;top:12px;width:28px;height:28px;border-radius:50%;background:var(--azul-800);color:#fff;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center}
main ol li strong{color:var(--azul-900)}

/* ---------- Visualizador de Markdown ---------- */
.voltar{margin:0 0 18px}
.voltar a{color:var(--azul-700);font-weight:700;text-decoration:none;font-size:.92rem}
.voltar a:hover{text-decoration:underline}
.leitura{padding-top:40px;padding-bottom:70px}
.leitura article{background:#fff;padding:40px 48px;border-radius:16px;box-shadow:var(--sombra);max-width:100%}
.leitura article h1,.leitura article h2{border-bottom:1px solid var(--borda);padding-bottom:.35em}
.leitura article blockquote{margin:1.2em 0;padding:.6em 1.2em;border-left:4px solid var(--teal);background:#f3faf9;border-radius:0 8px 8px 0;color:var(--texto-suave)}
.leitura pre{padding:18px 20px;overflow:auto;border-radius:10px;background:#0f1b28;color:#e7eef5;box-shadow:inset 0 0 0 1px #1f3145}
.leitura pre code{background:transparent;color:inherit;padding:0}
.leitura table{border-collapse:collapse;width:100%;margin:1em 0}
.leitura th,.leitura td{border:1px solid var(--borda);padding:10px 14px;text-align:left}
.leitura th{background:#f3f6fa}
#status{color:var(--texto-suave);display:flex;align-items:center;gap:10px}
#status::before{content:"";width:16px;height:16px;border:2.5px solid var(--borda);border-top-color:var(--azul-500);border-radius:50%;animation:girar .7s linear infinite}
@keyframes girar{to{transform:rotate(360deg)}}
.erro{padding:16px 18px;border-radius:10px;color:#991b1b;background:#fee2e2;border:1px solid #fecaca}

/* ---------- Rodapé ---------- */
footer{text-align:center;padding:26px;color:var(--texto-suave);border-top:1px solid var(--borda);background:#fff;font-size:.88rem}

/* ---------- Responsivo ---------- */
@media(max-width:640px){
  .topo{padding:0 18px;flex-wrap:wrap}
  .topo nav{width:100%;height:44px}
  .topo nav a{flex:1;justify-content:center;padding:0 6px;font-size:.88rem}
  .container{min-height:calc(100vh - 180px);padding:44px 0}
  .hero{padding-top:56px}
  .leitura article{padding:26px}
  .leitura{padding-top:30px}
}