:root{
  --green:#5c852d;
  --green-dark:#173f2a;
  --green-deeper:#0d2e20;
  --cream:#f7f5ef;
  --ink:#182126;
  --white:#fff;
  --shadow:0 16px 45px rgba(0,0,0,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--cream)}
a{text-decoration:none;color:inherit}
.site-header{
  position:absolute;z-index:20;top:12px;left:12px;right:12px;
  min-height:76px;padding:10px 5%;display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.96);border-radius:14px;box-shadow:0 6px 22px rgba(0,0,0,.12)
}
.brand img{width:190px;display:block}
.top-nav{display:flex;align-items:center;gap:46px;font-weight:600}
.top-nav>a:first-child:hover{color:var(--green)}
.contact-button{padding:14px 24px;border-radius:8px;background:var(--green);color:#fff}
.contact-button:hover,.primary-button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.menu-toggle{display:none;border:0;background:transparent;font-size:28px}
.hero{
  min-height:610px;position:relative;display:flex;align-items:center;
  background:url("assets/edificio-hero.jpg") center/cover no-repeat;
}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,15,.65) 0%,rgba(8,20,15,.15) 55%,rgba(8,20,15,.05) 100%)}
.hero-card{
  position:relative;z-index:2;margin:110px 0 35px 5.5%;max-width:510px;padding:28px 36px 34px;
  background:rgba(13,20,17,.76);color:#fff;border-radius:4px;box-shadow:var(--shadow);backdrop-filter:blur(2px)
}
h1,h2{font-family:"Playfair Display",Georgia,serif}
h1{font-size:56px;line-height:1.02;margin:0 0 16px}
.accent-line{width:140px;height:4px;background:var(--green);margin:12px 0 18px}
.hero-copy{font-size:18px;line-height:1.65;margin-bottom:18px}
.contact-lines p{line-height:1.45;margin:10px 0}
.contact-lines span{display:inline-block;width:34px;color:#a5cb67;font-size:22px}
.contact-lines small{padding-left:38px;font-size:14px}
.hero-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.primary-button,.secondary-button{padding:14px 20px;border-radius:7px;font-weight:700;transition:.2s}
.primary-button{background:var(--green);color:#fff}
.secondary-button{border:1px solid rgba(255,255,255,.8);color:#fff}
.welcome{padding:58px 6%;background:#fff;display:grid;grid-template-columns:1.1fr 1.9fr;gap:50px;align-items:center}
.eyebrow{color:var(--green);font-weight:700;font-size:13px;letter-spacing:.08em}
.welcome h2,.documents h2{font-size:38px;margin:6px 0 14px}
.welcome-copy>p:last-child,.documents>div>p:last-child{line-height:1.7;color:#4d555a}
.features{display:grid;grid-template-columns:repeat(4,1fr)}
.features article{padding:15px 22px;border-left:1px solid #d8ddd7;text-align:center}
.feature-icon{font-size:38px;color:var(--green)}
.features h3{margin:12px 0 8px}
.features p{font-size:14px;line-height:1.6;color:#4f575b}
.documents{padding:65px 6%;background:#f4f2ea}
.document-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.document-card{background:#fff;padding:24px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.07);display:flex;flex-direction:column;gap:8px}
.document-card span{font-size:32px}.document-card small{color:#68716e}
footer{background:linear-gradient(135deg,var(--green-dark),var(--green-deeper));color:#fff}
.footer-inner{padding:42px 7%;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px}
.footer-logo{width:190px;filter:brightness(0) invert(1);opacity:.95}
footer h3{margin-top:0}
footer p{line-height:1.6;color:#e5eee8}
footer a:hover{text-decoration:underline}
.copyright{text-align:center;padding:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}

@media (max-width: 900px){
  .menu-toggle{display:block}
  .top-nav{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;padding:18px 24px;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;gap:18px}
  .top-nav.open{display:flex}
  .hero-card{margin-left:4%;margin-right:4%}
  .welcome{grid-template-columns:1fr}
  .features{grid-template-columns:repeat(2,1fr)}
  .document-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .site-header{min-height:68px}
  .brand img{width:150px}
  .hero{min-height:720px}
  .hero-card{margin-top:105px;padding:24px}
  h1{font-size:42px}
  .features{grid-template-columns:1fr}
  .features article{border-left:0;border-top:1px solid #d8ddd7}
  .welcome,.documents{padding:42px 7%}
}