:root{
  --navy:#05243c;
  --navy-dark:#031a2d;
  --blue:#0b5e75;
  --blue-2:#087da8;
  --blue-light:#5bb8db;
  --white:#ffffff;
  --off-white:#f3f7fa;
  --text:#10253a;
  --muted:#5f7080;
  --border:#dbe7ee;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:#fff;color:var(--text);line-height:1.65}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.site-header{
  min-height:92px;
  padding:0 4%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background:#fff;
  position:relative;
  top:0;
  z-index:1000;
  border-bottom:1px solid #e5edf2;
}
.logo-img{width:235px;height:auto}
.nav-menu{display:flex;gap:24px;align-items:center;text-transform:uppercase;font-size:13px;font-weight:700;color:var(--blue)}
.nav-menu a:hover{color:#0d6f8f}
.nav-cta{padding:14px 22px;border-radius:7px;background:#137B96;color:#fff!important}
.lang-btn{display:flex;align-items:center;gap:8px;padding:10px 16px;border:2px solid var(--blue);border-radius:8px}
.flag-icon{width:22px;height:22px;object-fit:cover;border-radius:3px}
.menu-toggle{
  display:none;
  background:var(--blue);
  color:#fff;
  border:0;
  border-radius:8px;
  padding:8px 12px;
  font-size:28px;
  line-height:1;
  cursor:pointer;
}

.service-hero{
  position:relative;
  min-height:600px;
  padding:80px 5%;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(300px,.55fr);
  align-items:center;
  gap:55px;
  overflow:hidden;
  color:#fff;
  background:url("../images/instalacion-red-hero.jpg?v=20260806-1") center/cover no-repeat;
}
.service-hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(3,26,45,.97) 0%,rgba(3,26,45,.90) 42%,rgba(3,26,45,.55) 72%,rgba(3,26,45,.24) 100%);
  pointer-events:none;
}
.service-hero-content,.hero-summary{position:relative;z-index:2}
.service-kicker,.section-label{color:#57bde0;font-size:14px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.service-hero h1{max-width:850px;margin:14px 0 22px;font-size:clamp(48px,5vw,76px);line-height:1.03;text-transform:uppercase;letter-spacing:-1.5px}
.service-lead{max-width:720px;color:#e6eff4;font-size:22px;line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 24px;border-radius:8px;font-weight:900}
.button.primary{background:#0c84ad;color:#fff}
.button.secondary{border:1px solid rgba(255,255,255,.48);background:rgba(0,0,0,.18);color:#fff}
.hero-points{display:flex;flex-wrap:wrap;gap:15px;margin-top:32px}
.hero-points span{padding:8px 13px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(4,35,57,.72);font-size:14px}
.hero-summary{padding:34px;border:1px solid rgba(255,255,255,.25);border-radius:18px;background:rgba(4,35,57,.86);box-shadow:0 20px 55px rgba(0,0,0,.28);backdrop-filter:blur(8px)}
.summary-label{display:block;color:#63c4e6;font-weight:900;text-transform:uppercase;letter-spacing:.1em}
.hero-summary strong{display:block;margin:10px 0 20px;font-size:31px;line-height:1.18}
.hero-summary hr{border:0;border-top:1px solid rgba(255,255,255,.2);margin-bottom:18px}
.hero-summary p{color:#e5eef3}

.breadcrumb{padding:16px 5%;display:flex;flex-wrap:wrap;gap:10px;background:#edf5f8;color:#416173;font-size:14px}
.breadcrumb a{font-weight:700;color:var(--blue)}

.intro-section{
  max-width:1380px;
  margin:0 auto;
  padding:85px 5%;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:55px;
  align-items:center;
}
.intro-copy h2,.section-heading h2,.equipment-section h2,.final-cta h2{margin:10px 0 20px;color:var(--navy);font-size:clamp(34px,3.4vw,50px);line-height:1.12}
.intro-copy p{margin-bottom:18px;color:#4e6272;font-size:18px}
.intro-image img{width:100%;border-radius:18px;box-shadow:0 22px 55px rgba(3,31,50,.18)}

.included-section,.benefits-section,.faq-section{padding:80px 5%;background:var(--off-white)}
.section-heading{max-width:820px;margin:0 auto 45px;text-align:center}
.section-heading>p:last-child{color:var(--muted);font-size:18px}
.included-grid,.benefits-grid{max-width:1380px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.included-grid article,.benefits-grid article{padding:30px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 12px 30px rgba(5,36,60,.06)}
.included-grid span{width:54px;height:54px;margin-bottom:18px;display:grid;place-items:center;border-radius:50%;background:#e7f5fa;color:var(--blue-2);font-size:28px;font-weight:900}
.included-grid h3,.benefits-grid h3{margin-bottom:10px;color:var(--navy);font-size:22px}
.included-grid p,.benefits-grid p{color:#5b6d7a}

.process-section{padding:85px 5%;background:linear-gradient(180deg,var(--navy),var(--navy-dark));color:#fff}
.process-section .section-heading h2{color:#fff}
.process-grid{max-width:1380px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.process-grid article{padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:rgba(255,255,255,.055)}
.process-grid b{width:48px;height:48px;margin-bottom:18px;display:grid;place-items:center;border-radius:50%;background:#0c84ad;font-size:20px}
.process-grid h3{margin-bottom:8px;font-size:22px}
.process-grid p{color:#d7e4eb}

.equipment-section{padding:85px 5%;display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center;background:#fff}
.equipment-section>div{max-width:780px}
.equipment-section p{margin-bottom:17px;color:#536775;font-size:18px}
.text-link{display:inline-flex;gap:12px;align-items:center;margin-top:8px;color:var(--blue-2);font-weight:900}
.text-link span{font-size:28px}
.equipment-section ul{padding:34px;border:1px solid var(--border);border-radius:16px;background:#f4f9fb;list-style:none}
.equipment-section li{padding:14px 0 14px 32px;position:relative;border-bottom:1px solid #dce8ee;font-weight:700;color:#27475a}
.equipment-section li:last-child{border-bottom:0}
.equipment-section li:before{content:"✓";position:absolute;left:0;color:#0c84ad;font-weight:900}

.benefits-section{background:#eef5f8}
.benefits-grid{grid-template-columns:repeat(4,1fr)}

.faq-section{background:#fff}
.faq-list{max-width:950px;margin:auto}
.faq-item{margin-bottom:14px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}
.faq-item button{width:100%;padding:21px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px;border:0;background:#fff;color:var(--navy);font-size:18px;font-weight:900;text-align:left;cursor:pointer}
.faq-item button span:last-child{font-size:27px;color:#0c84ad;transition:transform .2s ease}
.faq-answer{display:none;padding:0 24px 23px;color:#566a78}
.faq-item.open .faq-answer{display:block}
.faq-item.open button span:last-child{transform:rotate(45deg)}

.final-cta{padding:55px 6%;display:flex;align-items:center;justify-content:space-between;gap:40px;background:linear-gradient(90deg,#073b5b,#0b6681);color:#fff}
.final-cta>div{max-width:900px}
.final-cta h2{color:#fff}
.final-cta>div>p:last-child{color:#deebf1;font-size:18px}
.button.light{min-width:225px;background:#fff;color:#075274}

.whatsapp-float{position:fixed;right:24px;bottom:22px;z-index:1100;padding:16px 22px;border-radius:999px;background:#25d366;color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.3)}

.site-footer{padding:45px 5%;display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px;background:var(--navy-dark);color:#fff}
.footer-brand{font-size:30px;font-weight:900}
.footer-brand span{color:#3f9fc4}
.site-footer h2{margin-bottom:12px;font-size:17px}
.site-footer a{display:block;margin:6px 0;color:#c5d4dc}
.site-footer p{color:#c5d4dc}

@media(max-width:1050px){
  .service-hero{grid-template-columns:1fr;min-height:auto}
  .hero-summary{max-width:600px}
  .included-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid,.benefits-grid{grid-template-columns:repeat(2,1fr)}
  .intro-section,.equipment-section{grid-template-columns:1fr}
}

@media(max-width:900px){
  .site-header{
    min-height:78px;
    padding:14px 20px;
    position:relative;
  }

  .logo-img{width:190px}

  .menu-toggle{
    display:block!important;
    position:relative;
    z-index:10001;
  }

  .nav-menu{
    display:none!important;
    position:absolute;
    top:100%;
    left:16px;
    right:16px;
    z-index:10000;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:18px;
    border-radius:12px;
    background:#fff;
    box-shadow:0 15px 40px rgba(0,0,0,.20);
  }

  .nav-menu.open{
    display:flex!important;
  }

  .nav-menu a{
    width:100%;
    min-height:48px;
    display:flex;
    justify-content:center;
    align-items:center;
  }
}

@media(max-width:620px){
  .service-hero{padding:60px 22px}
  .service-hero h1{font-size:43px}
  .service-lead{font-size:18px}
  .hero-actions{flex-direction:column}
  .button{width:100%}
  .intro-section,.included-section,.process-section,.equipment-section,.benefits-section,.faq-section{padding:62px 20px}
  .included-grid,.process-grid,.benefits-grid{grid-template-columns:1fr}
  .hero-summary{padding:25px}
  .hero-summary strong{font-size:25px}
  .final-cta{padding:48px 22px;flex-direction:column;align-items:flex-start}
  .site-footer{grid-template-columns:1fr}
  .whatsapp-float{right:14px;bottom:14px;padding:14px 18px}
}