*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:#f4f7fa;color:#183657;line-height:1.5}
a{text-decoration:none;color:inherit}
.topbar{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(24,54,87,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{max-width:1180px;margin:auto;height:76px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{height:40px;width:auto;display:block}
.brand .name{color:#fff;font-size:15px;font-weight:800;letter-spacing:.4px}
.desktop-menu{display:flex;align-items:center;gap:28px}
.desktop-menu a{color:rgba(255,255,255,.88);font-weight:700;font-size:14px;transition:.25s}
.desktop-menu a:hover{color:#fff}
.menu-btn{display:none;background:none;border:none;color:#fff;font-size:30px;line-height:1;cursor:pointer;padding:8px 10px;border-radius:8px}
.mobile-panel{display:none;position:absolute;top:76px;left:0;width:100%;background:#183657;border-top:1px solid rgba(255,255,255,.08);box-shadow:0 18px 35px rgba(0,0,0,.18)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:16px 20px;color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08)}
.hero{position:relative;min-height:620px;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(rgba(8,28,54,.82),rgba(8,28,54,.92)),url('../images/seguranca-servicos-gerkah.webp') center/cover no-repeat;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px;opacity:.65}
.hero-content{position:relative;z-index:2;max-width:940px;padding:130px 20px 70px}
.hero-logo{margin:0 auto 24px;max-width:330px}
.hero-logo img{width:100%;height:auto;display:block}
.hero h1{font-size:clamp(38px,5vw,66px);color:#fff;line-height:1.12;font-weight:900;letter-spacing:-1.2px}
.hero p{max-width:800px;margin:22px auto 0;color:rgba(255,255,255,.9);font-size:19px;line-height:1.7}
.actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:200px;padding:16px 28px;border-radius:12px;font-size:13px;text-transform:uppercase;font-weight:900;transition:.3s}
.btn-primary{background:#3498db;color:#fff;box-shadow:0 16px 34px rgba(52,152,219,.26)}
.btn-secondary{color:#fff;border:2px solid rgba(255,255,255,.85)}
.btn:hover{transform:translateY(-3px)}
section{padding:92px 20px}
.container{max-width:1180px;margin:auto}
.section-title{text-align:center;margin-bottom:46px}
.section-title h2{font-size:clamp(32px,4vw,48px);font-weight:900;color:#183657;letter-spacing:-.6px}
.section-title p{max-width:700px;margin:15px auto 0;color:#617083}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border-radius:24px;overflow:hidden;border:1px solid rgba(24,54,87,.07);box-shadow:0 12px 35px rgba(18,44,72,.10);transition:.35s ease;opacity:1;transform:translateY(0)}
.card.show{opacity:1;transform:translateY(0)}
.card:hover{transform:translateY(-8px);box-shadow:0 24px 54px rgba(18,44,72,.18)}
.card-img{height:205px;background-size:cover;background-position:center;position:relative}
.card-img.vigia:after{content:"";position:absolute;right:14px;bottom:14px;width:120px;height:36px;background:url('../images/logo-gerkah.webp') center/contain no-repeat;opacity:.95;filter:drop-shadow(0 5px 12px rgba(0,0,0,.35))}
.card-body{padding:0 24px 28px;text-align:center}
.icon{width:62px;height:62px;border-radius:50%;margin:-31px auto 18px;position:relative;z-index:3;display:grid;place-items:center;background:#183657;color:#fff;font-size:24px;box-shadow:0 12px 24px rgba(24,54,87,.28)}
.card h3{font-size:22px;font-weight:900;color:#183657;margin-bottom:12px}
.card p{font-size:15px;color:#627183;min-height:74px}
.card a{display:inline-flex;margin-top:20px;background:#3498db;color:#fff;padding:11px 22px;border-radius:10px;font-size:14px;font-weight:800;transition:.25s}
.card a:hover{background:#1f82c3}
.contact{background:linear-gradient(rgba(24,54,87,.94),rgba(24,54,87,.96)),url('../images/monitoramento-cameras-24h.webp') center/cover no-repeat;color:#fff}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.contact h2{font-size:42px;color:#fff;margin-bottom:16px}
.contact p{color:rgba(255,255,255,.84);max-width:440px}
.contact-info{display:grid;gap:12px;margin-top:24px;color:rgba(255,255,255,.92)}
.contact-box{background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:30px;box-shadow:0 18px 48px rgba(0,0,0,.18)}
.contact-box label{display:block;margin-bottom:7px;font-size:13px;font-weight:800;color:rgba(255,255,255,.88)}
.contact-box input,.contact-box textarea{width:100%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);color:#fff;padding:14px;border-radius:10px;outline:none;margin-bottom:16px}
.contact-box textarea{min-height:130px;resize:vertical}
.submit{background:#3498db;color:#fff;border:none;padding:14px 24px;border-radius:10px;font-weight:900;cursor:pointer}
.location{background:#f6f9fc}
.map{height:360px;border-radius:24px;overflow:hidden;box-shadow:0 18px 45px rgba(24,54,87,.14)}
.map iframe{width:100%;height:100%;border:0}
footer{background:#183657;color:#fff;padding:58px 20px 28px}
.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:50px}
.footer-brand img{max-width:220px;height:auto;display:block;margin-bottom:18px}
footer h4{margin-bottom:14px}
footer p,footer a{color:rgba(255,255,255,.76);font-size:14px;display:block;margin-bottom:8px}
.copy{max-width:1180px;margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);text-align:center;color:rgba(255,255,255,.62);font-size:13px}
@media (max-width:980px){.services-grid{grid-template-columns:repeat(2,1fr)}.contact-wrap,.footer-grid{grid-template-columns:1fr}}
@media (max-width:768px){.desktop-menu{display:none}.menu-btn{display:block}.hero{min-height:680px}.hero-content{padding-top:120px}.hero-logo{max-width:260px}.hero p{font-size:17px}.services-grid{grid-template-columns:1fr}.card-img{height:220px}section{padding:76px 16px}.contact h2{font-size:34px}.brand img{height:32px}.brand .name{font-size:13px}}

.whatsapp-float{
  position:fixed;
  right:22px;
  bottom:22px;
  width:64px;
  height:64px;
  border-radius:50%;
  background:#25D366;
  color:#fff;
  z-index:99999;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 14px 30px rgba(0,0,0,.28);
  transition:.3s ease;
  animation:pulseWhats 1.8s infinite;
}
.whatsapp-float:hover{
  transform:translateY(-4px) scale(1.04);
}
.whatsapp-float svg{
  width:34px;
  height:34px;
  fill:#fff;
}
@keyframes pulseWhats{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55),0 14px 30px rgba(0,0,0,.28)}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0),0 14px 30px rgba(0,0,0,.28)}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0),0 14px 30px rgba(0,0,0,.28)}
}
@media (max-width:768px){
  .whatsapp-float{
    right:16px;
    bottom:16px;
    width:58px;
    height:58px;
  }
  .whatsapp-float svg{
    width:31px;
    height:31px;
  }
}


.about{
  background:#ffffff;
  padding:96px 20px;
}
.about-wrap{
  max-width:1180px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:56px;
  align-items:center;
}
.about-image{
  position:relative;
  min-height:520px;
  border-radius:28px;
  overflow:hidden;

  box-shadow:0 24px 60px rgba(18,44,72,.18);
}
.about-image:before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(24,54,87,.08), rgba(24,54,87,.50));
}
.about-badge{
  position:absolute;
  left:26px;
  bottom:26px;
  background:rgba(24,54,87,.92);
  color:#fff;
  border-radius:18px;
  padding:22px 24px;
  max-width:330px;
  backdrop-filter:blur(10px);
  box-shadow:0 14px 35px rgba(0,0,0,.22);
}
.about-badge strong{
  display:block;
  font-size:30px;
  line-height:1;
  margin-bottom:8px;
}
.about-badge span{
  font-size:14px;
  color:rgba(255,255,255,.84);
}
.about-content .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(52,152,219,.10);
  color:#1f82c3;
  border-radius:999px;
  padding:9px 15px;
  font-weight:900;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.4px;
  margin-bottom:18px;
}
.about-content h2{
  font-size:clamp(34px,4vw,52px);
  line-height:1.08;
  color:#183657;
  font-weight:900;
  letter-spacing:-.8px;
  margin-bottom:22px;
}
.about-content p{
  color:#5f6f81;
  font-size:16px;
  line-height:1.78;
  margin-bottom:16px;
}
.about-highlight{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin:26px 0 28px;
}
.about-item{
  background:#f4f7fa;
  border:1px solid rgba(24,54,87,.08);
  border-radius:18px;
  padding:18px;
}
.about-item strong{
  display:block;
  color:#183657;
  font-size:18px;
  margin-bottom:5px;
}
.about-item span{
  color:#647386;
  font-size:14px;
  line-height:1.45;
}
.about-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
  margin-top:16px;
}
.about-list div{
  background:#fff;
  border:1px solid rgba(24,54,87,.10);
  border-radius:12px;
  padding:12px 14px;
  color:#183657;
  font-weight:800;
  font-size:14px;
  box-shadow:0 8px 20px rgba(18,44,72,.06);
}
@media(max-width:900px){
  .about-wrap{grid-template-columns:1fr}
  .about-image{min-height:380px}
}
@media(max-width:620px){
  .about-highlight,.about-list{grid-template-columns:1fr}
  .about-badge{left:18px;right:18px;bottom:18px}
}


/* Accessibility, crawlable images and progressive enhancement. */
section[id], article[id]{scroll-margin-top:90px}
.card-img img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}

.about-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.about-image:before{z-index:1}
.about-badge{z-index:2}
.footer-brand img{width:100%}
.skip-link{position:fixed;top:12px;left:12px;z-index:100001;background:#fff;color:#183657;padding:12px 18px;border-radius:8px;font-weight:700;transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
a:focus-visible,button:focus-visible{outline:3px solid #3498db;outline-offset:4px}
.contact-box input:focus-visible,.contact-box textarea:focus-visible{outline:3px solid #7acaff;outline-offset:2px}
footer .footer-title{font-size:16px;margin-bottom:14px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  
}

/* Shared page layout, readable controls and mobile navigation. */
.btn-primary,.card a,.submit{background:#176a9d}
.card a:hover,.btn-primary:hover,.submit:hover{background:#12567f}
.about-content .eyebrow{color:#176a9d}
.contact-info,footer p,footer a{overflow-wrap:anywhere}
.contact-box p{margin-bottom:18px}
.contact-box .contact-note{font-size:13px;line-height:1.6;margin:14px 0}
.contact-box input,.contact-box textarea{font:inherit}
.contact-box input::placeholder,.contact-box textarea::placeholder{color:#d3dce6;opacity:1}
.developer-credit{margin:14px 0 0;font-size:14px;line-height:1.6}
footer .developer-credit a{display:inline;color:#fff;text-decoration:underline;text-underline-offset:3px;font-size:14px}
.copy{padding-left:12px;padding-right:12px;padding-bottom:68px;color:#d1dbe5}
.download-link{display:inline-block;margin-top:24px;text-decoration:underline;text-underline-offset:4px;font-weight:700}
.faq{background:#edf3f8}
.faq-list{max-width:820px;margin:auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid #ccd8e4;border-radius:14px;padding:20px 24px}
.faq summary{font-weight:700;cursor:pointer;font-size:18px}
.faq details p{color:#526376;margin-top:12px;line-height:1.75}
.service-page{padding-top:76px}
.service-hero{background:#e9f0f7;padding:40px 20px 68px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin-bottom:36px;font-size:14px}
.breadcrumb li+li:before{content:'/';padding-right:10px;color:#5d6c7b}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.service-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:46px;align-items:center}
.service-intro h1{font-size:clamp(32px,4vw,52px);line-height:1.12;letter-spacing:-.7px;margin-bottom:24px;overflow-wrap:break-word}
.service-intro p{color:#465e75;font-size:18px;line-height:1.8}
.service-photo{width:100%;height:340px;object-fit:cover;border-radius:24px;box-shadow:0 18px 40px #18365720}
.service-intro .actions{justify-content:flex-start;margin-top:26px}
.service-article{max-width:900px;margin:auto}
.service-article h2{font-size:clamp(26px,3vw,36px);margin-bottom:20px;line-height:1.25}
.service-article p,.service-article li{color:#4c6176;line-height:1.85}
.service-article ul{padding-left:24px;display:grid;gap:12px;margin-bottom:24px}
.service-article .quote-block{background:#fff;border:1px solid #d5dfe9;padding:30px;border-radius:20px;margin-top:40px}
.related{background:#e9f0f7}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{background:#fff;border:1px solid #d1deea;border-radius:18px;padding:28px}
.related-card h3{font-size:22px;margin-bottom:16px}
.related-card a{color:#125b8d;text-decoration:underline;text-underline-offset:4px;font-weight:700}
.error-page{text-align:center;min-height:65vh;display:grid;place-items:center;padding-top:150px}
.error-page h1{font-size:clamp(32px,5vw,54px);margin-bottom:20px}
.error-page p{max-width:620px;margin:auto;color:#526376}
@media(max-width:900px){.service-intro{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.service-photo{height:280px}}
@media(max-width:768px){.brand{gap:8px}.brand .name{font-size:11px;max-width:145px}.brand img{max-width:78px;height:auto}.nav{padding:0 14px;gap:8px}.contact-wrap{gap:32px}.contact-box{padding:22px}.service-hero{padding:30px 16px 48px}.no-js .menu-btn{display:none}.no-js .topbar{position:static}.no-js .mobile-panel{position:static;display:flex;flex-wrap:wrap;box-shadow:none}.no-js .mobile-panel a{padding:12px;font-size:13px}.no-js .service-page{padding-top:0}.no-js .hero-content{padding-top:60px}.copy{padding-right:64px;padding-left:16px}}