body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #111;
    color: #fff;
    text-align: center;
}

/* HERO */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
    url('https://images.unsplash.com/photo-1511919884226-fd3cad34687c');
    background-size: cover;
    background-position: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 20px;
}

/* BOTÓN */
.btn {
    background-color: #ffd700;
    color: #000;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
}

.btn:hover {
    background-color: #e6c200;
}

/* SECCIONES */
section {
    padding: 40px 20px;
}

/* CARDS */
.cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    background: #222;
    padding: 20px;
    border-radius: 12px;
    width: 150px;
    font-weight: bold;
    transition: transform 0.2s;
}

.card:hover {
    transform: scale(1.05);
}

/* CONTACTO EMAIL */
.contacto-email {
    background: #1a1a1a;
}

/* WHATSAPP FLOTANTE */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    font-size: 24px;
    padding: 15px;
    border-radius: 50%;
    text-decoration: none;
}

/* FOOTER */
footer {
    background: #000;
    padding: 20px;
}