:root {
    --primary-color: #004d99;
    --secondary-color: #ff9900;
    --text-color: #333;
    --light-bg: #f4f4f4;
    --dark-bg: #222;
}

/* Base Styles */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main-header .logo {
    width: 100px;
    height: auto;
    margin-bottom: 10px;
}

.main-header .site-title {
    margin: 0;
    font-size: 2.5rem;
}

/* Navigation */
.main-nav {
    background: var(--dark-bg);
    color: #fff;
    padding: 0.5rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

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

.main-menu > li > a {
    display: block;
    padding: 1rem 1.5rem;
    color: #fff;
    transition: background-color 0.3s ease;
}

.main-menu > li > a:hover {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
}

.main-menu .has-submenu {
    position: relative;
}

.main-menu .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--dark-bg);
    list-style: none;
    padding: 0;
    min-width: 200px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
    z-index: 1000;
}

.main-menu .submenu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: #fff;
    transition: background-color 0.3s ease;
}

.main-menu .submenu li a:hover {
    background-color: var(--primary-color);
}

.main-menu .has-submenu .submenu {
    display: none;
}

.main-menu .has-submenu:hover > .submenu {
    display: block;
}

/* Main Content Section */
.main-content-wrapper {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.main-content {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    max-width: 800px;
}

.content-title {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 1rem 0;
    background: var(--dark-bg);
    color: #fff;
    margin-top: 2rem;
}

/* Google Translate Widget Styling */
#google_translate_element {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 9999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-menu {
        flex-direction: column;
        align-items: center;
    }

    .main-menu li {
        width: 100%;
        text-align: center;
    }

    .main-menu .submenu {
        position: static;
        width: 100%;
    }
}
/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px; /* ระยะห่างระหว่างฟอร์มแต่ละช่อง */
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    width: 100%;
    box-sizing: border-box; /* ทำให้ขนาดรวมของ input ไม่เกินขอบเขต */
}

.contact-form button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form button:hover {
    background-color: var(--secondary-color);
}