:root{--brand:#0F3C66;--accent:#E27824;--text:#13293d;--muted:#6b7a8f;--bg:#ffffff;--bg-alt:#f7f9fb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--text);background:var(--bg)}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}
.topbar{border-bottom:1px solid #e6eef3;background:var(--bg)}
.brand{display:flex;align-items:center;color:var(--brand);text-decoration:none;font-size:1.1rem}
.brand img{height:100px;display:block}
.menu-toggle{display:none;border:0;background:transparent;font-size:1.5rem;color:var(--text)}
.nav{display:flex;gap:18px}
.nav a{color:var(--text);text-decoration:none;padding:18px 8px;border-bottom:2px solid transparent}
.nav a.active,.nav a:hover{border-color:var(--accent);color:var(--accent)}
.hero{background:linear-gradient(180deg,#e8f3f4,#ffffff);padding:220px 0}
.hero h1{font-size:3.5rem;margin:0 0 24px}
.hero p{max-width:800px;color:var(--muted);font-size:1.35rem;line-height:1.6}
.cta{margin-top:20px;display:flex;gap:12px;align-items:center;flex-wrap:nowrap}
.cta .btn{white-space:nowrap}
.btn{display:inline-block;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{border:2px solid var(--accent);color:var(--accent)}
.btn.facebook{background:var(--brand);color:#fff}
.btn.whatsapp{background:var(--accent);color:#fff}
.features{padding:40px 0;background:var(--bg-alt)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid #e6eef3;border-radius:12px;padding:18px}
.services{padding:40px 0}
.service{display:block;padding:16px;border:1px solid #e6eef3;border-radius:12px;background:#fff;text-decoration:none;color:var(--text)}
.service h3{margin:0 0 8px;color:var(--brand)}
.service .thumb{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.service .thumb img{width:40px;height:40px}
.contact{padding:40px 0;background:var(--bg-alt)}
.contact .container{text-align:center}
.contact .cta{justify-content:center}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-item{margin:8px 0}
.contact-form{display:grid;gap:12px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border:1px solid #ccd7df;border-radius:8px}
.footer{padding:24px 0;border-top:1px solid #e6eef3;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-col h4{margin:0 0 12px;color:var(--brand)}
.footer-brand img{height:96px;display:block}
.footer-links{display:grid;gap:8px}
.footer-links a{text-decoration:none;color:var(--text)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{margin-top:16px;text-align:center;color:var(--muted)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr}.footer-brand img{height:72px}}
.page-hero{background:linear-gradient(180deg,#e8f3f4,#ffffff);padding:40px 0;margin-bottom:12px}
.content{padding:8px 0 40px}
.list{display:grid;gap:8px}

/* Media & Gallery */
.media{margin:12px 0;border:1px solid #e6eef3;border-radius:12px;overflow:hidden;background:#fff}
.media img{width:100%;display:block}
.media figcaption{padding:12px;color:var(--muted);font-size:.95rem}
.portfolio{padding:40px 0;background:var(--bg)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery .card{padding:0}
.gallery .card .info{padding:12px}
.gallery .info h4{margin:0 0 6px}
.gallery .info p{margin:0;color:var(--muted)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.tag{display:inline-block;padding:4px 8px;border-radius:9999px;background:var(--bg-alt);color:var(--brand);border:1px solid #e6eef3;font-size:.85rem}
.services-showcase{padding:40px 0;background:var(--bg)}
.feature{display:flex;gap:24px;align-items:center;margin-bottom:28px}
.feature.reverse{flex-direction:row-reverse}
.feature .text{flex:1}
.feature .image{flex:1;border:1px solid #e6eef3;border-radius:12px;overflow:hidden;background:#fff}
.feature .image img{width:100%;height:350px;object-fit:cover;display:block}
.feature h3{margin:0 0 8px;color:var(--brand)}
.feature p{margin:0 0 12px;color:var(--muted)}
@media (max-width:900px){.feature{flex-direction:column}.feature.reverse{flex-direction:column}}
/* Slider */
.slider{position:relative}
.slider img{position:absolute;inset:0;width:100%;height:auto;opacity:0;transition:opacity .6s ease}
.slider img.active{opacity:1;position:relative}
.slider .arrow{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(15,60,102,.75);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:2}
.slider .arrow.prev{left:16px}
.slider .arrow.next{right:16px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:1000}
.lightbox img{max-width:90vw;max-height:90vh;display:block}
.lightbox .close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;border:1px solid #fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lightbox .nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(15,60,102,.8);color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lightbox .nav.prev{left:24px}
.lightbox .nav.next{right:24px}

@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}

@media (max-width:700px){
  .menu-toggle{display:inline-block}
  .nav{display:none;position:absolute;top:56px;right:16px;background:#fff;border:1px solid #e6eef3;border-radius:12px;flex-direction:column;min-width:220px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
  .nav a{padding:12px 16px}
  .nav.open{display:flex}
  .brand img{height:52px}
}

/* Hero banner image */
.hero.banner{position:relative;background:url('../../images/banner.jpg') center/cover no-repeat}
.hero.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,60,102,.55),rgba(15,60,102,.25))}
.hero.banner .container{position:relative;z-index:1}
.hero.banner h1,.hero.banner p{color:#fff}
.hero.banner .btn.ghost{border-color:#fff;color:#fff}
/* Contact CTA banner */
.contact.banner{position:relative;background:url('../../images/obra.jpg') center/cover no-repeat;padding:60px 0}
.contact.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,60,102,.55),rgba(15,60,102,.35))}
.contact.banner .container{position:relative;z-index:1;text-align:center}
.contact.banner h2{color:#fff;font-size:2rem}
.contact.banner p{color:#fff;max-width:700px;font-size:1.1rem;margin:8px auto 0}
.contact.banner .btn{font-size:1rem;padding:14px 20px}
.contact.banner .cta{justify-content:center}

/* Gallery Grid Images */
.gallery img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.gallery img:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}