:root{
  --navy:#062a4c;
  --navy-2:#031d35;
  --gold:#e4aa24;
  --gold-dark:#c68c0f;
  --white:#ffffff;
  --text:#10223a;
  --muted:#5f6c7b;
  --light:#f5f7fa;
  --shadow:0 12px 35px rgba(4,36,65,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Montserrat,Arial,sans-serif;color:var(--text);background:#fff}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 18px rgba(0,0,0,.08)}
.nav-wrap{height:86px;display:flex;align-items:center;gap:28px}
.brand img{width:218px;height:68px;object-fit:contain;object-position:left center}
.main-nav{display:flex;gap:30px;margin-left:auto}
.main-nav a{font-size:.88rem;font-weight:700;text-transform:uppercase}
.main-nav a:hover{color:var(--gold-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 24px;border-radius:4px;font-weight:800;text-transform:uppercase;font-size:.8rem;transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 8px 24px rgba(228,170,36,.25)}
.btn-outline{border:1px solid rgba(255,255,255,.65);color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-outline-dark{border:2px solid var(--navy);color:var(--navy)}
.menu-toggle{display:none;border:0;background:none;font-size:1.8rem;color:var(--navy)}
.hero{position:relative;min-height:610px;background:
linear-gradient(90deg,rgba(3,29,53,.99) 0%,rgba(3,29,53,.94) 45%,rgba(3,29,53,.2) 68%),
url('../assets/images/hero.jpg') center right/cover no-repeat;color:#fff}
.hero-grid{min-height:530px;display:flex;align-items:center;position:relative;z-index:2}
.hero-copy{max-width:610px}
.eyebrow,.section-label{display:block;color:var(--gold);font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}
.hero h1{font-size:clamp(2.7rem,5vw,5rem);line-height:.96;text-transform:uppercase;margin:0 0 24px;font-weight:800}
.hero h1 strong{color:var(--gold);display:block}
.hero p{font-size:1.05rem;line-height:1.65;max-width:600px;color:#eef3f8}
.hero-actions{display:flex;gap:18px;margin-top:28px;flex-wrap:wrap}
.hero-benefits{position:relative;z-index:3;background:rgba(3,29,53,.93);border:1px solid rgba(255,255,255,.25);display:grid;grid-template-columns:repeat(3,1fr);border-radius:7px;overflow:hidden}
.hero-benefits>div{padding:24px;display:flex;gap:14px;align-items:center;justify-content:center;text-transform:uppercase;font-size:.78rem;border-right:1px solid rgba(255,255,255,.18)}
.hero-benefits>div:last-child{border-right:0}
.benefit-icon{font-size:1.7rem;color:var(--gold)}
.section{padding:80px 0}
.about{display:grid;grid-template-columns:1fr 1.4fr;align-items:stretch;padding:0}
.about-image img{width:100%;height:100%;object-fit:cover}
.about-content{padding:60px 7vw}
h2{font-size:clamp(2rem,3vw,3.1rem);line-height:1.08;margin:0 0 18px}
.about-content p,.maintenance p{line-height:1.7;color:var(--muted)}
.about-points{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:35px}
.about-points div{text-align:center}
.about-points span{display:block;font-size:2rem;color:var(--gold);margin-bottom:10px}
.about-points b{font-size:.78rem;text-transform:uppercase}
.center{text-align:center}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:35px}
.service-card{background:#fff;box-shadow:var(--shadow);padding:24px 18px;text-align:center;border-radius:7px;display:flex;flex-direction:column;min-height:315px}
.service-icon{font-size:2.8rem;color:var(--navy);height:65px}
.service-card h3{font-size:1rem;line-height:1.1;margin:8px 0 14px}
.service-card p{font-size:.79rem;line-height:1.55;color:#465466;flex:1}
.service-card a{background:var(--navy);color:#fff;border-radius:3px;padding:9px 12px;text-transform:uppercase;font-size:.68rem;font-weight:800}
.maintenance{position:relative;background:linear-gradient(90deg,rgba(3,29,53,.98) 0%,rgba(3,29,53,.94) 58%,rgba(3,29,53,.25) 100%),url('../assets/images/maintenance.jpg') right center/cover no-repeat;color:#fff;padding:60px 0}
.maintenance-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;position:relative;z-index:2}
.maintenance p{color:#e5edf5}
.light{color:var(--gold)}
.maintenance-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.maintenance-list span{font-weight:600}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;margin-top:35px}
.process-step{text-align:center;position:relative}
.process-step>span{position:absolute;left:12%;top:4px;width:30px;height:30px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;font-weight:800}
.round-icon{width:76px;height:76px;border-radius:50%;background:var(--navy);color:#fff;margin:auto;display:grid;place-items:center;font-size:2rem}
.process-step h3{margin:15px 0 6px}
.process-step p{font-size:.82rem;line-height:1.5;color:var(--muted)}
.projects{background:var(--navy-2);padding:55px 0;color:#fff}
.project-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:28px}
.project-grid article{background:#062a4c;border:1px solid rgba(255,255,255,.25);border-radius:5px;overflow:hidden}
.project-grid img{width:100%;height:120px;object-fit:cover}
.project-grid small{display:block;color:var(--gold);padding:12px 12px 4px}
.project-grid h3{font-size:.8rem;line-height:1.35;padding:0 12px 16px;margin:0}
.cta-strip{background:linear-gradient(90deg,#d99a18,#f0bd3f);padding:28px 0;color:#071f38}
.cta-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-wrap h2{font-size:1.6rem;margin:0 0 5px}
.cta-wrap p{margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.site-footer{background:#042541;color:#fff;padding:45px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1.2fr;gap:45px}
.footer-brand img{width:220px;background:#fff;border-radius:6px;padding:7px}
.footer-brand p{font-size:.82rem;line-height:1.6;color:#cbd6e2}
.site-footer h4{margin:0 0 16px;text-transform:uppercase}
.site-footer a,.site-footer span{display:block;font-size:.8rem;margin:8px 0;color:#dbe4ed}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:18px;font-size:.75rem;color:#aebdcc}
.whatsapp-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;background:#18c95b;color:#fff;border-radius:50%;display:grid;place-items:center;font-size:1.8rem;font-weight:800;box-shadow:0 10px 28px rgba(0,0,0,.25);z-index:60}
@media(max-width:1050px){
  .main-nav{gap:16px}.nav-cta{display:none}
  .service-grid,.project-grid{grid-template-columns:repeat(3,1fr)}
  .about-points{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-wrap{height:74px}.brand img{width:170px;height:58px}
  .menu-toggle{display:block;margin-left:auto}
  .main-nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;flex-direction:column;padding:20px 5%;box-shadow:0 12px 20px rgba(0,0,0,.1)}
  .main-nav.open{display:flex}
  .hero{min-height:auto;background-position:62% center}
  .hero-grid{min-height:560px;align-items:flex-end;padding-bottom:100px}
  .hero h1{font-size:2.8rem}
  .hero-benefits{grid-template-columns:1fr;margin-top:-65px}
  .hero-benefits>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}
  .about{grid-template-columns:1fr}.about-image{height:300px}.about-content{padding:50px 6%}
  .service-grid,.project-grid{grid-template-columns:1fr 1fr}
  .maintenance-grid{grid-template-columns:1fr}.maintenance-list{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr 1fr}
  .cta-wrap{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .service-grid,.project-grid,.process-grid,.footer-grid{grid-template-columns:1fr}
  .hero-copy{padding-top:70px}
  .hero h1{font-size:2.35rem}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .about-points{grid-template-columns:1fr 1fr}
  .project-grid img{height:180px}
}

.social-links{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.social-links a{display:inline-flex!important;padding:9px 13px;border:1px solid rgba(255,255,255,.35);border-radius:4px;font-weight:700}
.social-links a:hover{background:var(--gold);color:#fff;border-color:var(--gold)}

.section-intro{max-width:760px;margin:0 auto;color:var(--muted);line-height:1.7}
.coverage{background:var(--light)}
.coverage-wrap{display:grid;grid-template-columns:1fr 1.5fr;gap:45px;align-items:center}
.coverage-wrap>div>p{color:var(--muted);line-height:1.7}
.coverage-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.coverage-cards article{background:#fff;border-radius:8px;padding:26px 18px;text-align:center;box-shadow:var(--shadow)}
.coverage-cards span{font-size:2rem;color:var(--gold)}
.coverage-cards h3{margin:12px 0 5px;color:var(--navy)}
.coverage-cards p{margin:0;font-size:.82rem;color:var(--muted)}
@media(max-width:1050px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .coverage-wrap{grid-template-columns:1fr}
  .coverage-cards{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:520px){
  .coverage-cards{grid-template-columns:1fr}
}

/* REESTRUCTURACIÓN VISUAL RESIDENCIAL */
.hero{
  min-height:640px;
  background-position:center center;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(3,29,53,.98) 0%,rgba(3,29,53,.90) 46%,rgba(3,29,53,.20) 75%);
  pointer-events:none;
}
.hero-grid,.hero-benefits{position:relative;z-index:3}
.hero h1{max-width:720px}
.about-visual{position:relative;overflow:hidden}
.about-visual img{min-height:520px}
.about-badge{
  position:absolute;
  right:24px;
  bottom:24px;
  background:var(--gold);
  color:#fff;
  width:130px;
  height:130px;
  border-radius:50%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  box-shadow:0 14px 35px rgba(0,0,0,.22);
  border:5px solid rgba(255,255,255,.85)
}
.about-badge strong{font-size:2rem;line-height:1}
.about-badge span{font-size:.7rem;font-weight:800;text-transform:uppercase;max-width:90px;margin-top:6px}
.service-grid{grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{
  padding:0;
  overflow:hidden;
  min-height:420px;
  text-align:left;
}
.service-photo{height:155px;overflow:hidden;position:relative}
.service-photo::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(3,29,53,.35),transparent 60%);
}
.service-photo img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.service-card:hover .service-photo img{transform:scale(1.06)}
.service-body{padding:22px;display:flex;flex-direction:column;flex:1;height:calc(100% - 155px)}
.service-icon{height:auto;font-size:1.75rem;margin-bottom:8px}
.service-card h3{font-size:1.02rem;text-align:left}
.service-card p{text-align:left}
.service-card a{text-align:center;margin-top:auto}
.maintenance{
  background:
    linear-gradient(90deg,rgba(3,29,53,.98) 0%,rgba(3,29,53,.92) 58%,rgba(3,29,53,.28) 100%),
    url('../assets/images/proyecto-bomba.png') right center/cover no-repeat;
}
.maintenance-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}
.text-link{color:#fff;font-weight:800;text-decoration:underline}
.project-grid article{transition:transform .25s ease,box-shadow .25s ease}
.project-grid article:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.project-grid img{height:155px}
.coverage-cards article{border-top:4px solid var(--gold)}
@media(max-width:1050px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .hero{min-height:650px;background-position:62% center}
  .hero::after{background:linear-gradient(180deg,rgba(3,29,53,.93),rgba(3,29,53,.72))}
  .about-visual img{min-height:360px}
  .about-badge{width:105px;height:105px;right:15px;bottom:15px}
  .service-card{min-height:390px}
}
@media(max-width:520px){
  .service-grid{grid-template-columns:1fr}
  .service-photo{height:205px}
  .service-card{min-height:auto}
}

/* FOOTER CORREGIDO */
.site-footer{overflow:hidden}
.footer-top{
  display:grid;
  grid-template-columns:minmax(240px,1.05fr) minmax(0,2.4fr);
  gap:70px;
  align-items:start;
}
.footer-brand{min-width:0}
.footer-brand img{
  width:190px;
  max-width:100%;
  height:auto;
  object-fit:contain;
}
.footer-brand p{
  max-width:360px;
  margin-top:16px;
}
.footer-columns{
  display:grid;
  grid-template-columns:.8fr 1.25fr 1.35fr;
  gap:42px;
  min-width:0;
}
.footer-columns>div{min-width:0}
.footer-contact a,
.footer-contact span{
  overflow-wrap:anywhere;
  line-height:1.55;
}
@media(max-width:900px){
  .footer-top{grid-template-columns:1fr;gap:35px}
  .footer-columns{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:700px){
  .footer-columns{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:1/-1}
}
@media(max-width:520px){
  .footer-columns{grid-template-columns:1fr}
  .footer-contact{grid-column:auto}
}