:root{
  --blue:#052F6B;
  --blue-dark:#031F47;
  --yellow:#F2B705;
  --text:#1E293B;
  --muted:#64748B;
  --soft:#F5F7FA;
  --white:#FFFFFF;
  --line:#E5EAF0;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.65;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92%);margin:auto}

.header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand img{
  height:54px;
  width:auto;
  object-fit:contain;
  border-radius:6px;
}
.menu{
  display:flex;
  gap:28px;
  align-items:center;
  font-weight:700;
  color:var(--blue-dark);
}
.menu a:hover{color:var(--yellow)}
.menu-cta{
  background:var(--yellow);
  color:#111!important;
  padding:12px 18px;
  border-radius:999px;
}
.menu-btn{
  display:none;
  background:none;
  border:0;
  color:var(--blue-dark);
  font-size:30px;
}

.hero{
  min-height:78vh;
  position:relative;
  display:flex;
  align-items:center;
  overflow:hidden;
  color:#fff;
}
.hero-image{
  position:absolute;
  inset:0;
  background:url("../images/hero-puente-grua-5t.jpg") center/cover no-repeat;
}
.hero-layer{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(3,31,71,.88),rgba(5,47,107,.60),rgba(3,31,71,.22));
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:820px;
}
.label{
  margin:0 0 14px;
  color:var(--yellow);
  text-transform:uppercase;
  letter-spacing:2px;
  font-size:13px;
  font-weight:900;
}
.hero h1{
  font-size:clamp(38px,6vw,68px);
  line-height:1.03;
  margin:0 0 22px;
  letter-spacing:-1.8px;
}
.hero-text{
  font-size:clamp(18px,2vw,22px);
  max-width:760px;
  color:#EEF4FF;
  margin:0 0 30px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 22px;
  border-radius:999px;
  font-weight:900;
  transition:.2s ease;
}
.btn.primary{
  background:var(--yellow);
  color:#111;
}
.btn.ghost{
  color:#fff;
  border:1px solid rgba(255,255,255,.65);
}
.btn:hover{transform:translateY(-2px)}
.coverage-note{
  color:#DCEBFF;
  font-weight:700;
  margin:0;
}

.section{
  padding:92px 0;
}
.soft{background:var(--soft)}
.section-head{
  max-width:760px;
  margin:0 auto 46px;
  text-align:center;
}
.section-head h2,
.split h2,
.center h2,
.contact h2{
  font-size:clamp(30px,4vw,46px);
  line-height:1.15;
  margin:0 0 16px;
  color:var(--blue-dark);
  letter-spacing:-.8px;
}
.section-head p,
.split p,
.center p,
.contact p{
  color:var(--muted);
  font-size:18px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
}
.card img{
  width:100%;
  height:260px;
  object-fit:cover;
}
.card div{padding:26px}
.card h3{
  margin:0 0 10px;
  color:var(--blue-dark);
  font-size:23px;
  line-height:1.2;
}
.card p{margin:0;color:var(--muted)}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.reverse{grid-template-columns:1fr 1fr}
.split-img{
  width:100%;
  height:440px;
  object-fit:cover;
  border-radius:20px;
}
.clean-list{
  margin:24px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:12px;
}
.clean-list li{
  border-left:3px solid var(--yellow);
  background:#fff;
  padding:12px 14px;
  border-radius:8px;
  color:var(--blue-dark);
  font-weight:800;
}
.section:not(.soft) .clean-list li{background:var(--soft)}

.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.gallery img{
  width:100%;
  height:280px;
  object-fit:cover;
  border-radius:16px;
}

.center{text-align:center}
.max-text{
  max-width:780px;
  margin-left:auto;
  margin-right:auto;
}
.countries{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.countries span{
  border:1px solid var(--line);
  padding:12px 18px;
  border-radius:999px;
  font-weight:800;
  color:var(--blue-dark);
  background:#fff;
}

.dark{
  background:var(--blue-dark);
  color:#fff;
}
.dark h2{color:#fff}
.dark p{color:#DCEBFF}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:start;
}
.contact-data{
  margin-top:24px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--soft);
}
.contact-data p{margin:9px 0;color:var(--text)}
.contact-data a{color:var(--blue);font-weight:900}

.form{
  padding:28px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  display:grid;
  gap:14px;
}
.form input,
.form textarea{
  width:100%;
  padding:15px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:16px;
  font-family:inherit;
}
.form button{
  border:0;
  background:var(--blue);
  color:#fff;
  padding:15px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
}

.footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:34px 0;
}
.footer-content{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.footer img{
  height:70px;
  width:auto;
  border-radius:8px;
}
.footer p{margin:4px 0;color:var(--muted)}

.whatsapp{
  position:fixed;
  right:22px;
  bottom:22px;
  background:#25D366;
  color:#fff;
  padding:14px 20px;
  border-radius:999px;
  font-weight:900;
  z-index:999;
  box-shadow:0 12px 26px rgba(0,0,0,.18);
}

@media(max-width:920px){
  .menu-btn{display:block}
  .menu{
    display:none;
    position:absolute;
    top:84px;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:24px 4%;
    flex-direction:column;
    align-items:flex-start;
  }
  .menu.active{display:flex}
  .cards,.split,.contact-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .brand img{height:46px}
}

@media(max-width:560px){
  .section{padding:68px 0}
  .hero{min-height:76vh}
  .hero h1{letter-spacing:-.8px}
  .gallery{grid-template-columns:1fr}
  .clean-list{grid-template-columns:1fr}
  .footer-content{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
}