body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: #f4f6f8;
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    background-color: #004aad;
    color: white;
    padding: 10px 20px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 50px;
}

nav a {
    color: white;
    margin-left: 15px;
    font-weight: bold;
}

.hero {
    background: linear-gradient(90deg, #004aad, #00bfff);
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

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

.button {
    background-color: #ff4136;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
}

.courses {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 30px;
}

.course-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 15px;
    width: 280px;
    overflow: hidden;
    transition: transform 0.2s ease-in-out;
}

.course-card:hover {
    transform: scale(1.03);
}

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

.course-card .content {
    padding: 15px;
}

.course-card .content h3 {
    margin-top: 0;
    font-size: 18px;
    color: #001c55;
}

.badge {
    background-color: #dc3545;
    color: white;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: 10px;
}

.date {
    font-size: 14px;
    color: #333;
}

footer {
    background-color: #001c55;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 14px;
}