:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --accent:#2d6cdf;
  --muted:#6b7280;
  --gap:12px;
}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; margin:0; background:var(--bg); color:#111}
.site-header{background:linear-gradient(90deg, #fff, #fbfdff); padding:28px 18px; text-align:center; border-bottom:1px solid #e6e9ef}
.site-header h1{margin:0 0 6px;font-size:1.6rem}
.site-header p{margin:0;color:var(--muted)}
.container{max-width:1100px;margin:26px auto;padding:0 18px;display:grid;grid-template-columns:1fr;gap:26px}
.property{background:var(--card);padding:18px;border-radius:10px;box-shadow:0 1px 6px rgba(16,24,40,0.04)}
.property h2{margin:0 0 6px}
.description{margin:0 0 12px;color:var(--muted)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--gap)}
.thumb{background:#fafbff;border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:6px}
.thumb img{width:100%;height:140px;object-fit:cover;border-radius:6px;cursor:pointer;display:block}

.lightbox{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.6);z-index:60;padding:20px}
.lightbox img{max-width:calc(100% - 40px);max-height:calc(100% - 40px);box-shadow:0 8px 30px rgba(2,6,23,0.6);border-radius:6px}
.lb-close{position:absolute;right:18px;top:18px;background:rgba(255,255,255,0.9);border:0;padding:8px 10px;border-radius:6px;cursor:pointer}

.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.9);border:0;padding:10px 12px;border-radius:6px;cursor:pointer;font-size:18px}
.lb-nav[aria-label="Anterior"]{left:18px}
.lb-nav[aria-label="Siguiente"]{right:18px}

.site-footer{max-width:1100px;margin:14px auto 40px;padding:0 18px;color:var(--muted);text-align:center}

@media(min-width:720px){
  .container{grid-template-columns:1fr 1fr}
}

@media(max-width:420px){
  .thumb img{height:100px}
}