/**
 * Zuhur Exchange - Modern Header Styles
 */

/* Main Header (Hero Header) */
.header-main {
    position: absolute; /* Делаем абсолютное позиционирование */
    width: 100%;
    z-index: 950; /* Увеличиваем z-index для перекрытия */
    padding: 20px 0 0 0; /* Убираем отступ снизу */
    background-color: transparent; /* Делаем фон прозрачным */
    transition: all var(--transition-normal);
    margin-bottom: 0; /* Убираем отступ снизу */
    top: 0; /* Размещаем в самом верху */
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header-main .logo {
    display: flex;
    align-items: center;
}

.header-main .logo img {
    height: 70px;
    width: auto;
    transition: all var(--transition-normal);
}

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

.header-main .nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.header-main .nav-list a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 1.1rem;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: all var(--transition-normal);
}

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

.header-main .nav-list a:hover::after,
.header-main .nav-list a.active::after {
    width: 100%;
}

.header-main .header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Sticky Header */
.header-sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    padding: 10px 0;
    height: 60px;
}

.theme-dark .header-sticky {
    background-color: rgba(30, 30, 30, 0.9);
}

.header-sticky.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.header-sticky .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header-sticky .logo {
    display: flex;
    align-items: center;
}

.header-sticky .logo img {
    height: 55px;
    width: auto;
}

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

.header-sticky .nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.header-sticky .nav-list a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9rem;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: all var(--transition-fast);
}

.header-sticky .nav-list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.header-sticky .nav-list a:hover::after,
.header-sticky .nav-list a.active::after {
    width: 100%;
}

.header-sticky .header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-sticky .language-switcher {
    display: flex;
    gap: var(--spacing-xs);
}

.header-sticky .lang-btn {
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.header-sticky .lang-btn:hover,
.header-sticky .lang-btn.active {
    background-color: var(--color-primary);
    color: white;
}

.header-sticky .theme-switcher .theme-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.header-sticky .theme-switcher .theme-btn:hover {
    background-color: var(--color-secondary);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1010;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-normal);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-background);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 80px 20px 20px;
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu .nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu .nav-list a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 1.2rem;
    padding: var(--spacing-sm) 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu .header-controls {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.mobile-menu .language-switcher {
    display: flex;
    gap: var(--spacing-sm);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive styles */
@media (max-width: 992px) {
    .header-main .main-nav,
    .header-sticky .sticky-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-main .header-controls,
    .header-sticky .header-controls {
        display: none;
    }
}

@media (max-width: 576px) {
    .header-main .container,
    .header-sticky .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-main .logo img {
        height: 40px;
    }
    
    .header-sticky .logo img {
        height: 30px;
    }
}