/* CSS Seguridad Permanente - Final */
:root{
  --blue:#0b6ea8; --cyan:#1fb0e6; --dark:#071623; --bg:#f6f9fc; --muted:#6b7b86;
  --accent-gradient: linear-gradient(90deg,var(--blue),var(--cyan));
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter, Poppins, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; background:var(--bg); color:#111; line-height:1.6; -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* Header common */
header{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:#fff;box-shadow:0 6px 22px rgba(2,6,10,0.04);position:relative;z-index:50}
.brand img{height:78px;width:auto}
nav ul{list-style:none;display:flex;gap:20px;align-items:center}
nav a{color:var(--dark);font-weight:700;padding:8px 10px;border-radius:8px;transition:background .18s, color .18s}
nav a:hover{background:rgba(11,110,168,0.06)}

/* Dark header for specific pages */
body.monitoreo header, body.alarmas header {background:var(--dark)}
body.monitoreo header nav a, body.alarmas header nav a {color:#fff}
body.monitoreo .brand img, body.alarmas .brand img {filter: none;}

/* Hero */
.hero{position:relative; color:#fff; background-size:cover; background-position:center; padding:110px 20px; border-radius:10px; max-width:1400px; margin:22px auto}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg, rgba(2,6,10,0.45), rgba(2,6,10,0.25));z-index:0;border-radius:10px}
.hero .hero-inner{position:relative;z-index:2;max-width:980px;margin:auto}
.hero h1{font-family:'Montserrat', sans-serif;font-size:40px;margin-bottom:12px;line-height:1.05}
.hero p.lead{font-size:18px;color:rgba(230,247,255,0.95);max-width:820px}

/* Layout utilities */
.container{max-width:1200px;margin:28px auto;padding:0 20px}
.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 8px 28px rgba(7,22,35,0.06);margin:18px 0}
.service-row{display:grid;grid-template-columns:1fr 480px;gap:28px;align-items:center;margin:36px 0}
.media img{width:100%;height:auto;border-radius:10px;display:block}

/* Lists */
.check-list{list-style:none;padding:0;margin-top:12px}
.check-list li{position:relative;padding-left:34px;margin-bottom:10px;color:var(--dark)}
.check-list li:before{content:'✔';position:absolute;left:0;top:0;color:var(--blue);font-weight:800}

/* Kits */
.kits{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:20px}
.kit-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 28px rgba(7,22,35,0.06);display:flex;flex-direction:column}
.kit-card img{width:100%;height:220px;object-fit:cover}
.kit-content{padding:18px;flex:1;display:flex;flex-direction:column}
.kit-content h3{color:var(--blue);font-family:'Montserrat',sans-serif;margin-bottom:8px}
.kit-content ul{list-style:none;padding:0;margin:0 0 12px}
.kit-content ul li{margin-bottom:8px;padding-left:26px;position:relative}
.kit-content ul li:before{content:'✔';position:absolute;left:0;color:var(--blue);font-weight:900}

/* Buttons */
.btn-primary{display:inline-block;background:var(--accent-gradient);color:#03121a;padding:10px 16px;border-radius:8px;font-weight:800;text-decoration:none;box-shadow:0 6px 18px rgba(11,110,168,0.12)}

/* App section */
.app-section{background:#f0f6fb;padding:34px 20px;text-align:center;border-radius:12px;margin-top:20px}
.app-section h2{margin-bottom:8px}
.app-section p{max-width:860px;margin:0 auto 12px;color:var(--muted)}
.app-section .features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;max-width:900px;margin:14px auto 0;text-align:left}
.app-section img{max-width:520px;width:100%;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,0.12);margin-top:18px}

/* Footer */
footer{background:var(--dark);color:#fff;padding:26px 20px;text-align:center;margin-top:36px}
footer img{height:60px;margin-bottom:8px}

/* WhatsApp float */
.whatsapp-float{position:fixed;right:18px;bottom:18px;background:#25d366;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;z-index:999}

/* Responsive */
@media (max-width:980px){
  .service-row{grid-template-columns:1fr}
  .hero{padding:70px 18px}
  .hero h1{font-size:28px}
  .hero p.lead{font-size:16px}
  nav ul{gap:12px}
  header .brand img{height:64px}
}
@media (max-width:560px){
  nav ul{flex-direction:column;gap:8px}
  header{flex-direction:column;gap:12px;align-items:center}
  header .brand img{height:58px}
  .kit-card img{height:180px}
}



/* --- Menú responsive agregado automáticamente --- */
.menu-toggle{display:none;font-size:28px;cursor:pointer;color:var(--dark);padding:6px 10px;border-radius:8px}
@media (max-width:768px){
  nav ul{position:absolute;top:70px;left:0;width:100%;flex-direction:column;background:var(--dark);display:none;padding:14px 0;z-index:60}
  nav ul li{margin:10px 0;text-align:center}
  nav ul li a{color:#fff;font-size:18px}
  nav ul.open{display:flex}
  .menu-toggle{display:block}
  header{flex-wrap:wrap}
}
/* --- fin menú responsive --- */



/* --- Estilos para íconos de contacto en index --- */
.sub i {
  margin-right: 8px;
  color: var(--cyan);
  font-size: 18px;
}