body {
  margin:0;
  font-family:'Open Sans', sans-serif;
  background:#f8f9fa;
}

/* NAVBAR */
.nav {
  position:fixed;
  width:100%;
  background:#000;
  color:white;
  display:flex;
  justify-content:space-between;
  padding:15px 40px;
  z-index:1000;
}

.nav a {
  color:white;
  text-decoration:none;
  margin-left:20px;
}

/* HERO PRO */
.hero {
  height:100vh;
  background: url('assets/banner.jpg') center/cover no-repeat;
  display:flex;
  align-items:center;
  justify-content:center;
}

.overlay {
  background: rgba(0,0,0,0.75);
  padding:60px;
  text-align:center;
  color:white;
  border-radius:10px;
}

.overlay h1 {
  font-family:'Montserrat';
  font-size:40px;
}

.btn-primary {
  background:#c1121f;
  padding:15px 30px;
  color:white;
  border-radius:5px;
  margin-right:10px;
}

.btn-secondary {
  border:2px solid white;
  padding:15px 30px;
  border-radius:5px;
}

/* SECCIONES */
section {
  padding:80px 40px;
  text-align:center;
}

h2 {
  font-family:'Montserrat';
  margin-bottom:40px;
}

/* GRID PRO */
.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;
}

/* TARJETAS PRO */
.card {
  background:white;
  padding:25px;
  border-radius:12px;
  box-shadow:0 5px 20px rgba(0,0,0,0.1);
  transition:0.3s;
}

.card:hover {
  transform:translateY(-8px);
}

/* WHATSAPP */
.whatsapp-float {
  position:fixed;
  bottom:20px;
  right:20px;
  background:#25D366;
  color:white;
  padding:15px;
  border-radius:50%;
  font-size:20px;
}