nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--spacing-md) 0;
    z-index: 100;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

nav.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border);
}

.nav-search {
    position: relative;
    margin-right: var(--spacing-lg);
}

.nav-search-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-search-trigger:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateY(-1px);
}

.hero .nav-search-trigger {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.hero .nav-search-trigger:hover {
    background: rgba(255, 255, 255, 0.2);
}

nav.scrolled .nav-search-trigger {
    background: var(--background);
    border: 1px solid var(--border);
    color: var(--text);
}

.nav-search-expanded {
    position: fixed;
    top: calc(var(--spacing-md) + 60px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: min(600px, 90%);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    border: 1px solid var(--border);
}

.nav-search.active .nav-search-expanded {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-search .search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.nav-search .search-input-wrapper i {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-light);
    font-size: 1rem;
    pointer-events: none;
}

.nav-search input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) * 2 + 16px);
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text);
}

.nav-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.nav-search-close {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    padding: var(--spacing-xs);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.nav-search-close:hover {
    opacity: 1;
    background: var(--background);
}

.nav-search-results {
    width: 100%;
    margin-top: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.nav-search .no-results {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .nav-search {
        margin-left: auto;
        margin-right: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav-search {
        margin-right: var(--spacing-sm);
    }
    
    .nav-search-expanded {
        width: calc(100% - 32px);
        top: calc(var(--spacing-md) + 48px);
    }
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 20px;
    font-size: 14px;
}

.lang-switcher a {
    color: #666;
    text-decoration: none;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.lang-switcher a:hover {
    color: #333;
    background-color: #f5f5f5;
}

.lang-switcher a.active {
    color: #3498db;
    font-weight: 500;
}

.lang-switcher span {
    color: #ccc;
    user-select: none;
}

/* Mobile styles */
@media (max-width: 768px) {
    .lang-switcher {
        margin-left: 0;
        justify-content: center;
        padding: 15px 0;
        border-bottom: 1px solid #eee;
    }
}

.mobile-lang-switcher {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.mobile-lang-label {
    display: block;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.lang-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.lang-options a {
    color: var(--text-dark);
    text-decoration: none;
    padding: 0.5rem 0;
    font-weight: 500;
}

.lang-options a.active {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
}

.mobile-search {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-search .search-input-wrapper {
    position: relative;
    width: 100%;
}

.mobile-search input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.mobile-search .fa-search {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.mobile-search-results {
    margin-top: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.mobile-lang-switcher {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-menu.active {
        display: flex;
        flex-direction: column;
    }
}

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

.mobile-lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.mobile-lang-switcher a {
    color: #666;
    text-decoration: none;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.mobile-lang-switcher a:hover {
    color: #333;
    background-color: #f5f5f5;
}

.mobile-lang-switcher a.active {
    color: #3498db;
    font-weight: 500;
}

.mobile-lang-switcher span {
    color: #ccc;
    user-select: none;
}