:root {
    --primary-color: #1e4d6b;
    --nav-bg: #333;
    --card-bg: #fff;
    --font-family: 'Roboto', sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    background-color: #f4f4f4;
}

header {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

#course-title {
    display: block;
    padding: 20px;
    font-size: 1.5rem;
}

/* Accessibility: Improved Touch Targets for Nav */
nav ul {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: var(--nav-bg);
}

nav a {
    display: block;
    padding: 15px 20px;
    /* Minimum 44px height area */
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
    color: #ffd700;
}

main {
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 20px;
    text-align: center;
}

h2 {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.main-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    text-align: left;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
}

.card h3 {
    background-color: var(--primary-color);
    color: white;
    margin: 0;
    padding: 10px;
    text-align: center;
}

.card-content {
    display: flex;
    padding: 15px;
    gap: 15px;
}

.profile-img {
    width: 150px;
    height: auto;
    border: 1px solid #ccc;
}

/* Accessibility: Resource list spacing */
.resources ul {
    list-style: disc;
    padding-left: 40px;
}

.resources li {
    padding: 5px 0;
}

.resources a {
    display: inline-block;
    padding: 5px 0;
    min-height: 44px;
    /* Standard accessibility height */
}

/* Location Section */
.location-info {
    padding: 15px;
}

.location-info h4 {
    text-align: center;
    margin: 10px 0;
}

.location-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-top: 15px;
}

.flag-box {
    flex: 0 0 120px;
    text-align: center;
}

.flag-box img {
    width: 100%;
    height: auto;
    border: 1px solid #ccc;
}

.flag-box p {
    font-size: 0.8rem;
    font-style: italic;
    margin-top: 5px;
}

.location-description {
    margin: 0;
    flex: 1;
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

#lastModified {
    color: #ffd700;
    font-size: 0.9rem;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
    }

    .location-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}