@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', sans-serif;
}

body {
    font-family: 'Prompt', sans-serif;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #2a2a2a;
    padding: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Animation เมื่อเลื่อนหน้าจอ */
.navbar.scrolled {
    background-color: rgba(42, 42, 42, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    padding: 5px 0;
}

.navbar.scrolled .nav-link {
    padding: 12px 20px;
}

.nav-container {
    max-width: 100%;
    margin: 0 auto;
}

.nav-menu {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
}

.nav-item {
    position: relative;
}

.nav-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 25px;
    color: #ffffff;
    text-decoration: none;
    transition: background-color 0.3s ease;
    min-width: 120px;
    position: relative;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-arrow {
    font-size: 8px;
    margin-top: 2px;
    display: block;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    list-style: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #3a3a3a;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    padding: 5px 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.dropdown-menu li a:hover {
    background-color: #4a4a4a;
}

.th-text {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 2px;
}

.en-text {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1.2;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-wrap: wrap;
    }
    
    .nav-link {
        padding: 12px 15px;
        min-width: 100px;
    }
    
    .th-text {
        font-size: 12px;
    }
    
    .en-text {
        font-size: 10px;
    }
}