.header-info {
    color: white;
    padding: 10px 0;
    z-index: 2;
    position: relative
}
/* navbar */
.navbar-custom {
    background-color: var(--olive);
    padding: 10px 0;
    z-index: 2;
    position: relative;
}
.navbar-nav {
    flex: 1; 
    justify-content: right;
}
.navbar-custom .nav-link {
    color: #FFFFFF; 
    font-size: 1.1rem;
    margin-right: 1rem;
    transition: color 0.3s ease;
}
.navbar-custom .nav-lin.active {
    color: var(--aloe); 
    font-weight: 600; 
}
.navbar-custom .nav-link:hover {
    color: var(--sand); 
}
/* navbar dropdown*/
.navbar-custom .dropdown-menu {
    border-radius: 5px; 
    padding: 0.5rem 0;
}
.navbar-custom .dropdown:hover .dropdown-menu {
    display: block; 
    opacity: 1;
    visibility: visible;
}
.navbar-custom .dropdown-item {
    font-size: 1rem;
    padding: 0.5rem 1.5rem;
}
.navbar-custom .dropdown-item:hover {
    background-color: #F0F0F0; 
    color: var(--olive);
}
/* search */
.navbar-custom .form-control {
    border-radius: 20px; 
    padding: 0.375rem 1rem;
    border: 1px solid var(--olive);
}
.navbar-custom .btn-outline-success {
    color: #4CAF50;
    border: 1px solid #4CAF50;
    border-radius: 100px; 
    transition: background-color 0.3s ease;
}
.navbar-custom .btn-outline-success:hover {
    background-color: #4CAF50;
    color: #FFFFFF;
}
/* background image */
.hero-section {
    height: 75vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    z-index: 1;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.hero-section .hero-content {
    position: relative;
    z-index: 2;
}