body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #ffeb3b;
    color: #222;
}

header {
    text-align: center;
    padding: 30px;
    background: #000;
    color: #fff;
}

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

.hero h2 {
    margin-bottom: 20px;
}

.btn {
    background: #000;
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 18px;
    border-radius: 6px;
}

.btn:hover {
    background: #333;
}

.courses {
    padding: 40px 20px;
}

.courses h2 {
    text-align: center;
    margin-bottom: 30px;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.course-card {
    background: #fff;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.course-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
}

.course-card h3 {
    margin: 15px 0 10px;
}

.social {
    text-align: center;
    padding: 40px 20px;
}

.social-btn {
    display: inline-block;
    margin: 10px;
    padding: 14px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    border-radius: 6px;
}

.whatsapp {
    background: #25D366;
}

.instagram {
    background: #E1306C;
}

footer {
    text-align: center;
    padding: 15px;
    background: #000;
    color: #fff;
}