/* ============================================================
   Cobalto Tech — sistema visual do site institucional
   Paleta, tipografia e componentes derivados do Manual de Marca.
   ============================================================ */

:root{
  --cobalto:#0047AB;
  --cobalto-profundo:#001C4E;
  --cobalto-eletrico:#2E7BFF;
  --grafite:#14171F;
  --aco:#5B6675;
  --nevoa:#EEF2F8;
  --branco:#FFFFFF;
  --linha:#DEE5EF;

  --sombra-card:0 18px 40px -22px rgba(0,28,78,.35),0 6px 14px -10px rgba(0,28,78,.22);
  --raio:14px;
  --wrap:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--grafite);
  background:var(--branco);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.display{font-family:'Montserrat',sans-serif}
.mono{font-family:'JetBrains Mono',monospace}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linha);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Montserrat';font-weight:800;font-size:18px;letter-spacing:.3px;color:var(--grafite)}
.brand span{color:var(--cobalto)}
.brand svg{flex:0 0 auto}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:500;color:var(--aco);transition:color .15s}
.nav a:hover{color:var(--grafite)}
.nav a.is-active{color:var(--grafite);font-weight:600}
.nav .btn{margin-left:4px}

/* botão de menu (mobile) */
.nav-toggle{
  display:none;background:none;border:1px solid var(--linha);border-radius:8px;
  width:42px;height:42px;cursor:pointer;color:var(--grafite);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Montserrat';font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,background .15s,border-color .15s,color .15s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--cobalto-eletrico);color:#fff}
.btn--primary:hover{background:#1E6BF5}
.btn--ghost{background:transparent;border-color:var(--linha);color:var(--grafite)}
.btn--ghost:hover{border-color:var(--cobalto);color:var(--cobalto)}
.btn--on-dark{background:transparent;border-color:rgba(174,194,230,.45);color:#fff}
.btn--on-dark:hover{border-color:#fff}
.btn--sm{padding:9px 16px;font-size:14px}

/* ---------- Hero / faixas escuras ---------- */
.dark{
  background:
    radial-gradient(1100px 500px at 12% -10%, rgba(46,123,255,.28), transparent 60%),
    linear-gradient(160deg,var(--cobalto-profundo) 0%, #001233 70%, #00060F 100%);
  color:#fff;position:relative;overflow:hidden;
}
.dark__grid{
  position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:linear-gradient(var(--cobalto-eletrico) 1px,transparent 1px),linear-gradient(90deg,var(--cobalto-eletrico) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(700px 400px at 80% 20%, #000, transparent 80%);
          mask-image:radial-gradient(700px 400px at 80% 20%, #000, transparent 80%);
}
.dark .wrap{position:relative;z-index:1}

.hero{padding:96px 0 84px}
.hero__lock{display:flex;align-items:center;gap:22px;margin-bottom:30px;flex-wrap:wrap}
.hero__word{font-family:'Montserrat';font-weight:800;font-size:clamp(34px,7vw,58px);line-height:.9;letter-spacing:-1px}
.hero__word small{display:block;font-weight:600;font-size:clamp(11px,2.4vw,15px);letter-spacing:10px;color:var(--cobalto-eletrico);margin-top:8px}
.hero h1{font-family:'Montserrat';font-weight:800;font-size:clamp(30px,6.4vw,56px);line-height:1.05;letter-spacing:-1px;max-width:16ch;margin-bottom:18px}
.hero__sub{color:#C3D2EC;max-width:56ch;font-size:clamp(16px,2.4vw,19px);margin-bottom:34px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

/* motivo Co·27 do manual */
.co-badge{
  position:absolute;top:60px;right:24px;z-index:1;
  width:104px;height:116px;border:1.5px solid rgba(174,194,230,.45);border-radius:14px;
  display:flex;flex-direction:column;justify-content:center;padding:14px;color:#CBD9F2;
}
.co-badge .num{font-family:'JetBrains Mono';font-size:13px;align-self:flex-end}
.co-badge b{font-family:'Montserrat';font-weight:800;font-size:40px;color:#fff;line-height:1}
.co-badge .nm{font-size:11px;letter-spacing:1px;text-transform:uppercase;margin-top:6px}
@media(max-width:820px){.co-badge{display:none}}

/* faixa de credibilidade (mono) */
.creds{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(174,194,230,.2)}
.creds span{font-family:'JetBrains Mono';font-size:13px;color:#9FB4D8;display:flex;align-items:center;gap:9px}
.creds span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cobalto-eletrico)}

/* ---------- Seções claras ---------- */
section{padding:80px 0}
.section--nevoa{background:var(--nevoa)}
.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.eyebrow .n{font-family:'JetBrains Mono';font-size:12px;color:var(--cobalto);border:1px solid var(--linha);background:#fff;border-radius:6px;padding:3px 8px}
.eyebrow .t{font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--aco)}
.section--nevoa .eyebrow .n{background:#fff}

h2{font-family:'Montserrat';font-weight:800;font-size:clamp(26px,5vw,40px);letter-spacing:-.5px;line-height:1.1;margin-bottom:16px;max-width:20ch}
.lede{font-size:clamp(16px,2.4vw,19px);color:var(--aco);max-width:60ch;margin-bottom:44px}
.lede strong{color:var(--grafite);font-weight:600}
.section-head{margin-bottom:4px}

/* ---------- Cards de produto ---------- */
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:820px){.products{grid-template-columns:1fr}}
.pcard{
  background:#fff;border:1px solid var(--linha);border-radius:18px;padding:34px;
  display:flex;flex-direction:column;gap:18px;box-shadow:var(--sombra-card);
}
.pcard__top{display:flex;align-items:center;gap:14px}
.pcard__icon{width:52px;height:57px;flex:0 0 auto}
.pcard__name{font-family:'Montserrat';font-weight:800;font-size:22px;line-height:1}
.pcard__tag{font-family:'JetBrains Mono';font-size:12px;color:var(--cobalto);letter-spacing:.5px;margin-top:6px}
.pcard__desc{color:var(--aco);font-size:15.5px}
.pcard__desc strong{color:var(--grafite);font-weight:600}
.pcard__list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:2px}
.pcard__list li{font-family:'JetBrains Mono';font-size:13px;color:var(--grafite);display:flex;align-items:center;gap:10px;line-height:1.4}
.pcard__list li::before{content:"";width:7px;height:7px;flex:0 0 auto;background:var(--cobalto-eletrico);transform:rotate(45deg)}
.pcard__flow{
  margin-top:auto;font-family:'JetBrains Mono';font-size:13px;color:var(--cobalto);
  background:var(--nevoa);border-radius:10px;padding:12px 14px;
}

/* ---------- Cards de consultoria ---------- */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:820px){.tri{grid-template-columns:1fr}}
.ccard{
  background:#fff;border:1px solid var(--linha);border-radius:16px;padding:30px;
  border-top:3px solid var(--cobalto);
  display:flex;flex-direction:column;gap:12px;
}
.ccard__kicker{font-family:'Montserrat';font-weight:800;font-size:20px}
.ccard__lead{font-family:'Montserrat';font-weight:700;font-size:15px;color:var(--cobalto)}
.ccard p{color:var(--aco);font-size:15px}

/* fio condutor */
.thread{
  margin-top:28px;background:#fff;border:1px solid var(--linha);border-left:3px solid var(--cobalto-eletrico);
  border-radius:10px;padding:16px 18px;font-size:15px;color:var(--grafite);
}
.thread b{color:var(--cobalto)}
.section--nevoa .thread{background:#fff}

/* ---------- Prévias na Home ---------- */
.previews{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
@media(max-width:820px){.previews{grid-template-columns:1fr}}
.preview{
  background:#fff;border:1px solid var(--linha);border-radius:16px;padding:30px;
  display:flex;flex-direction:column;gap:18px;box-shadow:var(--sombra-card);
}
.preview h3{font-family:'Montserrat';font-weight:800;font-size:21px}
.preview__lines{list-style:none;display:flex;flex-direction:column;gap:14px}
.preview__lines li{display:flex;gap:12px;font-size:15.5px;color:var(--grafite)}
.preview__lines b{font-family:'Montserrat';font-weight:700;white-space:nowrap}
.preview__lines .dash{color:var(--aco)}
.preview__more{margin-top:auto;font-family:'Montserrat';font-weight:600;color:var(--cobalto);display:inline-flex;align-items:center;gap:8px}
.preview__more::after{content:"→";transition:transform .15s}
.preview:hover .preview__more::after{transform:translateX(4px)}
.preview__single{color:var(--aco);font-size:16px}

/* ---------- Contato ---------- */
.contact-email{
  display:inline-flex;align-items:center;gap:12px;
  font-family:'JetBrains Mono';font-weight:500;
  font-size:clamp(18px,4vw,30px);color:#fff;margin:8px 0 32px;
  padding-bottom:6px;border-bottom:2px solid var(--cobalto-eletrico);
  transition:color .15s,border-color .15s;word-break:break-all;
}
.contact-email:hover{color:var(--cobalto-eletrico)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;gap:36px}}

/* formulário */
.form{display:flex;flex-direction:column;gap:16px;max-width:460px}
.form label{font-size:13px;font-weight:600;color:#C3D2EC;display:flex;flex-direction:column;gap:7px}
.form input,.form textarea{
  font-family:'Inter';font-size:15px;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(174,194,230,.3);border-radius:10px;
  padding:12px 14px;transition:border-color .15s,background .15s;
}
.form input::placeholder,.form textarea::placeholder{color:#7E93B8}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--cobalto-eletrico);background:rgba(46,123,255,.08)}
.form textarea{resize:vertical;min-height:120px}
.form .btn{align-self:flex-start;margin-top:4px}

/* ---------- Rodapé ---------- */
footer{background:var(--grafite);color:#AEB6C4;padding:52px 0 40px}
.foot{display:flex;flex-direction:column;gap:20px}
.foot__top{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot__brand{display:flex;align-items:center;gap:10px;font-family:'Montserrat';font-weight:800;font-size:17px;color:#fff}
.foot__meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px}
.foot__meta a:hover{color:#fff}
.foot__meta .sep{color:#5B6675}
.foot__close{font-family:'Montserrat';font-weight:700;color:#fff;font-size:16px}
.foot__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;border-top:1px solid #2A2F3A;font-size:13px;color:#7E8798}
.foot__bottom .mono{color:var(--cobalto-eletrico)}

/* ---------- CTA final (páginas internas) ---------- */
.cta-band{padding:72px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{margin-bottom:0}
.cta-band p{color:#C3D2EC;margin-top:8px;max-width:44ch}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover{transform:none}
}

/* ---------- Responsivo: navegação mobile ---------- */
@media(max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;top:62px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--linha);
    padding:8px 24px 20px;
    box-shadow:0 20px 30px -20px rgba(0,28,78,.25);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--linha);font-size:16px}
  .nav .btn{margin:16px 0 0;justify-content:center}
  .topbar .wrap{position:relative}
}

@media(max-width:520px){
  section{padding:60px 0}
  .hero{padding:72px 0 64px}
  .pcard,.preview,.ccard{padding:26px}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}