*{box-sizing:border-box}
body{
  margin:0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: radial-gradient(circle at top,#020617,#020617 40%,#000);
  color:#e2e8f0;
}

header{
  position:fixed;
  top:0;
  width:100%;
  background:rgba(2,6,23,.65);
  backdrop-filter:blur(14px);
  padding:18px 28px;
  z-index:1000;
}

nav a{
  color:#a5f3fc;
  margin-right:22px;
  text-decoration:none;
  font-weight:500;
}

.hero{
  padding:160px 20px 100px;
  text-align:center;
}

.section{
  max-width:1100px;
  margin:auto;
  padding:80px 20px;
}

.glass{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  border-radius:20px;
  padding:36px;
  box-shadow:0 20px 60px rgba(0,0,0,.45);
  transition:.3s ease;
}

.glass:hover{
  transform:translateY(-8px) scale(1.01);
}

.grid{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}

.carousel img{
  width:100%;
  max-height:460px;
  object-fit:cover;
  display:none;
  border-radius:20px;
}

.carousel img.active{display:block}

footer{
  background:#020617;
  padding:80px 20px;
  margin-top:80px;
}

.footer-grid{
  display:grid;
  gap:40px;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

form input, form textarea{
  width:100%;
  margin:8px 0;
  padding:12px;
  border-radius:8px;
  border:none;
}

.whatsapp{
  position:fixed;
  bottom:22px;
  right:22px;
  background:#25D366;
  padding:14px 18px;
  border-radius:999px;
  color:white;
  text-decoration:none;
  font-weight:bold;
}