body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #4990E2;
    color: white;
    padding: 15px 30px;
}
.logo-container {
    display: flex;
    align-items: center;
}
.logo {
    width: 100px;
    margin-right: 15px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}
nav ul li a:hover {
    color: #ffd700;
}
.hero {
    background: url('assets/hero.jpg') center/cover no-repeat;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.hero-content button {
    background-color: #ffd700;
    color: #333;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s;
}
.hero-content button:hover {
    background-color: #e6c200;
}
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.productos, .opiniones, .contacto {
    padding: 40px;
    text-align: center;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.producto {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.producto:hover {
    transform: translateY(-5px);
}
.precio {
    font-size: 1.2rem;
    font-weight: bold;
    color: #4990E2;
}
.opinion-card {
    background: white;
    margin: 10px auto;
    padding: 15px;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin: auto;
}
form input, form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
form button {
    background-color: #4990E2;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 5px;
}
.whatsapp-fixed {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    padding: 15px 20px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
@media (max-width: 768px) {
    header {
        flex-direction: column;
    }
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
}