* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f7f7f7;
    color: #333;
}

.hero {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.hero h1 {
    font-size: 3rem;
}

.hero p {
    margin: 15px 0;
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: #ff9800;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
}

.services, .products, .contact {
    padding: 60px 20px;
    text-align: center;
}

h2 {
    margin-bottom: 30px;
    font-size: 2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: auto;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    font-size: 1.1rem;
}

.whatsapp {
    background: #25D366;
}

footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 15px;
}