/* Marlex Talk — estilos do site institucional
   Arquivo externo de propósito: a CSP do Caddy usa style-src 'self',
   que bloqueia <style> inline. Ver infra/docker/Caddyfile. */

  :root{
    --navy-900:#002A54; --navy-700:#004071; --navy-600:#00558F; --navy-500:#0E6FB4;
    --bronze-400:#DDA16C; --bronze-600:#C4814A;
    --tinta:#151A1F; --tinta-2:#5B6672; --linha:#E4E7EA; --fundo:#FFFFFF; --fundo-2:#F7F8F9;
  }
  @media (prefers-color-scheme: dark){
    :root{ --tinta:#E8EAED; --tinta-2:#9AA6B2; --linha:#25313E; --fundo:#0B121A; --fundo-2:#131C26; }
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--fundo);color:var(--tinta);
       font-family:Roboto,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
       line-height:1.6;-webkit-font-smoothing:antialiased}
  h1,h2,h3{font-family:Montserrat,sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.2;margin:0}
  a{color:var(--navy-500);text-decoration:none}
  a:hover{text-decoration:underline}
  .env{max-width:1080px;margin:0 auto;padding:0 24px}

  header{background:linear-gradient(158deg,var(--navy-600) 0%,var(--navy-700) 55%,#00224A 100%);
         color:#fff;padding:88px 0 96px;position:relative;overflow:hidden}
  header::after{content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 28% 18%, rgba(14,111,180,.55), transparent 62%);pointer-events:none}
  .topo{display:flex;align-items:center;gap:16px;margin-bottom:56px;position:relative;z-index:1}
  .topo svg{width:44px;height:44px;flex:none}
  .topo span{font-family:Montserrat,sans-serif;font-weight:700;font-size:19px;letter-spacing:.01em}
  .heroi{position:relative;z-index:1;max-width:790px}
  .heroi h1{font-size:clamp(38px,6vw,62px);margin-bottom:22px}
  .heroi h1 em{font-style:normal;color:var(--bronze-400)}
  .heroi p{font-size:19px;color:#C7DEF0;font-weight:300;margin:0 0 34px}
  .selo{display:inline-flex;align-items:center;gap:9px;background:rgba(221,161,108,.16);
        border:1px solid rgba(221,161,108,.42);color:var(--bronze-400);
        padding:7px 15px;border-radius:999px;font-size:13px;font-weight:500;margin-bottom:26px}
  .selo::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--bronze-400);
                animation:pulsa 2.4s ease-in-out infinite}
  @keyframes pulsa{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}

  section{padding:76px 0}
  .rotulo{font-size:12px;font-weight:500;letter-spacing:.13em;text-transform:uppercase;
          color:var(--bronze-600);margin-bottom:12px}
  section h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:14px}
  .sub{color:var(--tinta-2);font-size:17px;font-weight:300;max-width:600px;margin:0 0 44px}

  .grade{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:20px}
  .cartao{background:var(--fundo-2);border:1px solid var(--linha);border-radius:16px;padding:26px;
          transition:transform .26s cubic-bezier(.22,1,.36,1),border-color .26s}
  .cartao:hover{transform:translateY(-3px);border-color:var(--bronze-400)}
  .cartao .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
              background:linear-gradient(135deg,var(--navy-600),var(--navy-700));margin-bottom:15px}
  .cartao .ic svg{width:21px;height:21px;stroke:#fff;stroke-width:1.9;fill:none;
                  stroke-linecap:round;stroke-linejoin:round}
  .cartao h3{font-size:17px;margin-bottom:7px}
  .cartao p{margin:0;color:var(--tinta-2);font-size:15px;font-weight:300}

  .faixa{background:var(--fundo-2);border-top:1px solid var(--linha);border-bottom:1px solid var(--linha)}
  .paleta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .cor{border-radius:12px;padding:16px 18px;min-width:146px;border:1px solid var(--linha)}
  .cor b{display:block;font-family:Montserrat,sans-serif;font-size:14px}
  .cor small{opacity:.8;font-size:12px;font-variant-numeric:tabular-nums}

  footer{padding:44px 0;border-top:1px solid var(--linha);color:var(--tinta-2);font-size:14px}
  .rodape{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
  .rodape nav{display:flex;gap:20px;flex-wrap:wrap}