/* Navigation */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 40px;
    background-color: white;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-logo img {
    height: 30px;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    padding: 8px 16px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: #0047AB;
}

.nav-links a.active {
    border-bottom: 2px solid #0047AB;
}

.nav-links a.contact-btn {
    background-color: #0A3D91;
    color: white;
    border-radius: 4px;
    margin-left: 12px;
    transition: background-color 0.3s ease;
}

.nav-links a.contact-btn:hover {
    background-color: #053378;
    color: white;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown > a {
    padding: 8px 16px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dropdown > a:hover {
    color: #0047AB;
}

.nav-dropdown > a.active {
    border-bottom: 2px solid #0047AB;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 250px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    border-radius: 4px;
    overflow: hidden;
    top: 100%;
    left: 0;
}

.dropdown-content a {
    color: #333;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    font-weight: 400;
    transition: background-color 0.3s ease;
    white-space: nowrap; 
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
    color: #0047AB;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
}

.contact-btn.disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
    color: #999;
    text-decoration: none;
}