/* Navigation with Dropdown Styles */

/* Main Navigation with Dropdown */
.main-nav {
    position: relative;
}

.main-nav > ul {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-nav > ul > li {
    position: relative;
}

.main-nav > ul > li > a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 15px 0;
    position: relative;
    transition: var(--transition);
}

.main-nav > ul > li > a:hover {
    color: var(--primary-blue);
}

.main-nav > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: var(--transition);
}

.main-nav > ul > li > a:hover::after,
.main-nav > ul > li > a.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 15px 0;
}

.main-nav > ul > li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--dark-gray);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

.dropdown-menu a.active {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

/* Mega Menu for Products */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 800px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 30px;
}

.main-nav > ul > li:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mega-menu-column h4 {
    color: var(--primary-blue);
    font-size: 16px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.mega-menu-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-menu-column li {
    margin-bottom: 8px;
}

.mega-menu-column a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-gray);
    font-size: 14px;
    padding: 8px 0;
    transition: var(--transition);
}

.mega-menu-column a:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

.mega-menu-column a i {
    color: var(--primary-blue);
    font-size: 12px;
    width: 20px;
}

/* Mobile Navigation */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-blue);
    cursor: pointer;
    padding: 10px;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
    padding: 20px;
}

.mobile-nav.show {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark-gray);
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav > ul > li {
    margin-bottom: 10px;
}

.mobile-nav > ul > li > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: var(--light-gray);
    border-radius: 6px;
    color: var(--dark-gray);
    font-weight: 600;
    transition: var(--transition);
}

.mobile-nav > ul > li > a:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.mobile-nav > ul > li > a.active {
    background: var(--primary-blue);
    color: var(--white);
}

.mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-dropdown.show {
    max-height: 500px;
}

.mobile-dropdown ul {
    padding-left: 20px;
    margin-top: 10px;
}

.mobile-dropdown li {
    margin-bottom: 8px;
}

.mobile-dropdown a {
    display: block;
    padding: 8px 15px;
    color: var(--medium-gray);
    font-size: 14px;
    border-left: 2px solid transparent;
    transition: var(--transition);
}

.mobile-dropdown a:hover,
.mobile-dropdown a.active {
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

/* Responsive Navigation */
@media (max-width: 1200px) {
    .mega-menu {
        width: 700px;
    }
    
    .mega-menu-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .mobile-menu-button {
        display: block;
    }
    
    .main-nav > ul {
        display: none;
    }
    
    .dropdown-menu,
    .mega-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .mobile-nav {
        width: 280px;
    }
}

/* Breadcrumb Navigation */
.breadcrumb {
    padding: 20px 0;
    background: var(--light-gray);
    margin-bottom: 40px;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--medium-gray);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

.breadcrumb .separator {
    color: var(--medium-gray);
    margin: 0 5px;
}

.breadcrumb .current {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--dark-gray);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.pagination .current {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.pagination .prev,
.pagination .next {
    padding: 0 20px;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Sidebar Navigation */
.sidebar-nav {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

.sidebar-nav h3 {
    background: var(--primary-blue);
    color: var(--white);
    padding: 15px 20px;
    margin: 0;
    font-size: 16px;
}

.sidebar-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-nav li {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-gray);
    font-size: 14px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--light-gray);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

.sidebar-nav .sub-menu {
    background: var(--light-gray);
    border-top: 1px solid var(--border-color);
}

.sidebar-nav .sub-menu li {
    border-bottom: none;
}

.sidebar-nav .sub-menu a {
    padding-left: 40px;
    font-size: 13px;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.tab-nav button {
    padding: 15px 30px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--medium-gray);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-nav button:hover {
    color: var(--primary-blue);
}

.tab-nav button.active {
    color: var(--primary-blue);
    border-bottom-color: var(--primary-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Quick Links */
.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--light-gray);
    border-radius: 6px;
    color: var(--dark-gray);
    font-size: 14px;
    transition: var(--transition);
}

.quick-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.quick-link i {
    font-size: 12px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0, 26, 79, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-blue);
    transform: translateY(-5px);
}