/* RB² Cybersecurity, folha de estilo única. Fonte Archivo hospedada no próprio site (SIL OFL 1.1). */

@font-face{
  font-family:"Archivo";font-style:normal;font-weight:400;font-display:swap;
  src:url("/fonts/archivo-latin-400-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Archivo";font-style:normal;font-weight:500;font-display:swap;
  src:url("/fonts/archivo-latin-500-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"Archivo";font-style:normal;font-weight:600;font-display:swap;
  src:url("/fonts/archivo-latin-600-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  /* Paleta oficial, Manual da Marca RB² Cybersecurity v2.0 */
  --navy-950:#030B24; /* Navy Perímetro */
  --navy-900:#06143C; /* Navy Bianco */
  --navy-800:#0A1733; /* superfícies sobre fundo escuro */
  --blue-500:#3C6BB8; /* Azul Sinal: ação, links, botões */
  --blue-600:#335B9C; /* hover do Azul Sinal */
  --blue-400:#8FB0E8; /* Azul Névoa: apenas grafismo decorativo */
  --ink:#030B24;
  --ink-soft:rgba(3,11,36,0.68);
  --paper:#FFFFFF;
  --paper-soft:#F4F7FC; /* Branco Frio */
  --card-line:#D8DFEA;
  --white-ink:#F4F7FC;
  --max:1160px;
  --pad:80px;
  --pad-mobile:24px;
  --font:"Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
button{font:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:3px}

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding-left:var(--pad-mobile);
  padding-right:var(--pad-mobile);
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--navy-900);color:#fff;
  padding:12px 20px;z-index:200;
}
.skip-link:focus{left:16px;top:16px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100}
/* O blur fica numa camada própria para o header não virar containing block
   do painel fixo do menu mobile. */
.header-bg{
  position:absolute;inset:0;z-index:-1;
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--card-line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:100px;
}
/* Logotipo: arquivos PNG oficiais (nunca recriar a assinatura em texto, manual seção 15).
   Topo: versão horizontal RB² | CYBERSECURITY (manual seção 11, banner de site).
   Mobile: RB² sem descritor (regra de redução, manual seção 02). */
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand-img{height:34px;width:auto}

.main-nav ul{display:flex;align-items:center;gap:40px}
.main-nav a{
  font-size:15px;font-weight:500;letter-spacing:0.01em;
  text-decoration:none;color:var(--ink-soft);
  transition:color .15s ease;
}
.main-nav a:hover{color:var(--ink)}
.main-nav a.nav-cta{
  color:#fff;background:var(--blue-500);
  padding:10px 20px;border-radius:2px;
}
.main-nav a.nav-cta:hover{background:var(--blue-600);color:#fff}
.nav-toggle{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 30px;font-size:15px;font-weight:600;
  text-decoration:none;border-radius:2px;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
  letter-spacing:0.01em;
}
.btn-primary{background:var(--blue-500);color:#fff}
.btn-primary:hover{background:var(--blue-600)}
.btn-ghost{
  background:transparent;color:var(--white-ink);
  border:1px solid rgba(244,247,252,0.35);
}
.btn-ghost:hover{border-color:rgba(244,247,252,0.7)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--navy-900);
  color:var(--white-ink);
  overflow:hidden;
  padding:96px 0 96px;
}
/* Grafismo autorizado pelo manual: quadro do expoente ampliado e cortado pela
   borda, traço 1px, azul névoa, 10% a 35% de opacidade, no máximo três quadros,
   confinado ao terço direito, fora da área do texto. */
.hero-motif{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero-motif span{position:absolute;border:1px solid var(--blue-400);border-radius:1px}
/* Textos ocupam a largura toda: os quadros ficam no canto inferior direito, ao lado dos botões. */
.hero-motif span:nth-child(1){width:300px;height:300px;bottom:-190px;right:-90px;opacity:0.14}
.hero-motif span:nth-child(2){width:180px;height:180px;bottom:-110px;right:110px;opacity:0.22}
.hero-motif span:nth-child(3){display:none}
@media (max-width:1100px){ .hero-motif{display:none} }
.hero-inner{position:relative}
/* Eyebrow em Branco Frio a 72% (contraste ~8:1 sobre o navy; o Azul Sinal
   sobre navy ficava em ~3,4:1, abaixo do mínimo WCAG AA para texto pequeno). */
.eyebrow{
  font-size:14px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;
  color:rgba(244,247,252,0.72);margin-bottom:24px;
}
.hero h1{
  font-size:56px;line-height:1.12;font-weight:500;letter-spacing:-0.01em;
  margin-bottom:28px;
}
.lede{font-size:20px;line-height:1.6;color:#B9C1D4;margin-bottom:44px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:var(--pad) 0;position:relative}
.section-alt{background:var(--paper-soft)}
.section-motif{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.section-motif span{position:absolute;border:1px solid var(--blue-400);border-radius:1px}
.section-motif span:nth-child(1){width:320px;height:320px;top:-250px;right:-90px;opacity:0.16}
.section-motif span:nth-child(2){width:170px;height:170px;top:-120px;right:140px;opacity:0.26}
@media (max-width:1100px){ .section-motif{display:none} }
.section .wrap{position:relative}

.kicker{
  display:block;font-size:13px;font-weight:600;letter-spacing:0.09em;
  text-transform:uppercase;color:var(--blue-500);margin-bottom:20px;
}
.section h2{
  font-size:38px;line-height:1.25;font-weight:500;letter-spacing:-0.01em;
  margin-bottom:24px;
}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:1px;background:var(--card-line);border:1px solid var(--card-line);margin-top:48px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);padding:40px 32px}
/* Altura mínima de 2 linhas no título alinha os parágrafos entre cartões
   (substitui os <br> usados antes). */
.card h3,.sector h3{min-height:2.7em}
.card h3{font-size:19px;font-weight:500;line-height:1.35;margin-bottom:14px}
.card p{font-size:15px;line-height:1.6;color:var(--ink-soft)}
.card-more{background:var(--paper-soft)}
.card-more h3,.card-more p{color:var(--ink-soft)}

.sectors{background:transparent;border:none}
.sector{background:var(--navy-800);padding:32px;border-top:2px solid var(--blue-500)}
.sector h3{font-size:18px;font-weight:500;line-height:1.35;margin-bottom:12px;color:#fff}
.sector p{font-size:14px;line-height:1.6;color:#A9B2C6}

/* ---------- Contact ---------- */
.contact-form{margin:40px auto 0;max-width:560px}
.form-row{margin-bottom:20px}
.form-row label{
  display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px;
  letter-spacing:0.02em;
}
.form-row input,.form-row textarea{
  width:100%;padding:13px 14px;border:1px solid var(--card-line);border-radius:2px;
  background:var(--paper-soft);color:var(--ink);resize:vertical;
  transition:border-color .15s ease;
}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--blue-500);background:#fff;
  box-shadow:0 0 0 3px rgba(60,107,184,0.18);
}
.form-note{margin-top:16px;font-size:14px;color:var(--blue-500);min-height:20px}
.contact-direct{
  margin-top:48px;padding-top:32px;border-top:1px solid var(--card-line);
  display:flex;gap:64px;flex-wrap:wrap;justify-content:center;text-align:center;
}
.contact-direct p{font-size:15px;line-height:1.6;color:var(--ink-soft)}
.contact-direct strong{color:var(--ink);display:block;margin-bottom:4px;font-size:13px;text-transform:uppercase;letter-spacing:0.05em}
.contact-direct a{text-decoration:none;color:var(--blue-500)}
.contact-direct a:hover{text-decoration:underline}

/* ---------- Footer ----------
   Assinatura completa, versão preferencial sobre navy (PNG oficial). */
.site-footer{background:var(--navy-950);padding:56px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:32px}
.footer-logo{width:170px;height:auto}
.footer-meta{display:flex;flex-direction:column;align-items:flex-end;gap:16px}
.footer-social{display:flex;gap:16px}
.social-link{
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(244,247,252,0.6);transition:color .15s ease;
}
.social-link:hover{color:#fff}
.footer-copy{font-size:13px;color:rgba(244,247,252,0.62)}

/* ---------- Reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--pad:64px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:44px}
  .brand-img{height:30px}
  .main-nav ul{gap:28px}
}

@media (max-width:720px){
  html{scroll-padding-top:84px}
  .header-inner{height:84px}
  .brand-img{height:30px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-meta{align-items:flex-start}
  .main-nav ul{
    position:fixed;inset:84px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:24px;transform:translateX(100%);visibility:hidden;
    transition:transform .25s ease, visibility 0s linear .25s;
    border-top:1px solid var(--card-line);
  }
  .main-nav.is-open ul{transform:translateX(0);visibility:visible;transition:transform .25s ease}
  .main-nav ul li{width:100%;padding:16px 0;border-bottom:1px solid var(--card-line)}
  .main-nav ul li a{display:block}
  .main-nav a.nav-cta{display:inline-block;margin-top:8px}
  .nav-toggle{display:flex;flex-direction:column;gap:5px;width:40px;padding:8px}
  .nav-toggle span{display:block;width:100%;height:2px;background:var(--ink)}
  .nav-toggle .sr-only{width:1px;height:1px;background:none}

  .hero{padding:64px 0 56px}
  .hero h1{font-size:34px}
  .lede{font-size:17px}

  .section{padding:48px 0}
  .section h2{font-size:28px}
  .grid-4{grid-template-columns:1fr}
  .card h3,.sector h3{min-height:0}
  .contact-direct{gap:28px}
}