/* General Styles */
body {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo img {
    height: 40px;
    border-radius: 8px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
}

nav ul li a i {
    margin-right: 8px;
}

main {
    padding: 20px 0;
}

#hero {
    background: url('images/hero.jpeg') no-repeat center center/cover;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

#hero h1 {
    font-size: 2.5em;
    margin: 0;
}

#hero p {
    font-size: 1.2em;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-primary i {
    margin-left: 8px;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-secondary i {
    margin-left: 8px;
}

.section {
    padding: 40px 0;
}

.course-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.course-item {
    flex: 1 1 calc(33.333% - 20px);
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.course-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.course-item h3 {
    margin: 20px 0 10px;
}

.course-item p {
    margin: 0 0 20px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }

    .course-item {
        flex: 1 1 calc(50% - 20px);
    }

    #hero h1 {
        font-size: 2em;
    }

    #hero p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .course-item {
        flex: 1 1 100%;
    }
}