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

body {
    line-height: 1.6;
    background: #fff;
    color: #333;
}

header {
    background: #b30000;
    color: #fff;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header nav a {
    color: #fff;
    margin-left: 15px;
    text-decoration: none;
    font-size: 15px;
}

.hero {
    background: linear-gradient(rgba(179,0,0,.8), rgba(179,0,0,.8)),
    url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b') center/cover;
    color: #fff;
    text-align: center;
    padding: 90px 20px;
}

.hero h1 {
    font-size: 32px;
}

.btn {
    display: inline-block;
    background: #fff;
    color: #b30000;
    padding: 10px 20px;
    margin-top: 15px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
}

.btn.dark {
    background: #b30000;
    color: #fff;
}

.section {
    padding: 50px 20px;
    text-align: center;
}

.section.light {
    background: #f8f8f8;
}

.section.highlight {
    background: #ffe6e6;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.card {
    background: #fff;
    padding: 20px;
    width: 200px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,.1);
}

.list {
    list-style: none;
    max-width: 400px;
    margin: auto;
    text-align: left;
}

.list li {
    padding: 8px 0;
}

footer {
    background: #b30000;
    color: #fff;
    text-align: center;
    padding: 15px;
}

/* WhatsApp Button */
.whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: #fff;
    font-size: 24px;
    padding: 12px 15px;
    border-radius: 50%;
    text-decoration: none;
}

/* Mobile */
@media (max-width: 600px) {
    header {
        flex-direction: column;
    }
    .hero h1 {
        font-size: 24px;
    }
}