/* styles.css */
body {
    font-family: 'Sarabun', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background: linear-gradient(90deg, #003366, #0055A4);
    color: #FFD700;
    text-align: center;
    padding: 1rem;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #FFD700;
    cursor: pointer;
}

.menu {
    text-align: center;
    background: #002B5B;
    padding: 0.5rem 0;
}

.menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.menu ul li {
    margin: 0 15px;
}

.menu ul li a {
    color: #FFD700;
    text-decoration: none;
    font-size: 1rem;
    font-weight: bold;
    padding: 10px 15px;
    display: inline-block;
    transition: 0.3s;
}

.menu ul li a:hover {
    background: #FFD700;
    color: #002B5B;
    border-radius: 5px;
}

main {
    padding: 20px;
}

.info-section {
    background: #FFFFFF;
    margin: 15px auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    max-width: 800px;
}

.info-section h2 {
    color: #003366;
    border-bottom: 3px solid #FFD700;
    padding-bottom: 5px;
}

@media (max-width: 768px) {
    .menu ul {
        display: none;
        flex-direction: column;
        width: 100%;
    }

    .menu ul li {
        text-align: center;
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
    }

    .menu.open ul {
        display: flex;
    }
}