/* Header Styles */
.header {
    position: fixed;
    right: 0;
    left: 0;
    top: 0;
    z-index: var(--z-sticky);
    background-color: transparent;
    padding: var(--space-md) 0;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.header__logo img {
    width: auto;
    height: 32px;
}

/* Navigation */
.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav__list {
    display: flex;
    gap: 30px;
    background: linear-gradient(92.88deg, rgba(35, 34, 40, 0.5) 26.43%, rgba(9, 9, 9, 0.5) 74.37%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 36px;
    padding: 20px 34px;
}

.nav__link {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--color-text-primary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-text);
    transition: width var(--transition-base);
}

.nav__link:hover::after {
    width: 100%;
}

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Mobile Menu Button */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    cursor: pointer;
    z-index: var(--z-fixed);
}

.header__burger span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.header__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.header__burger.active span:nth-child(2) {
    opacity: 0;
}

.header__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Tablet Responsive */
@media (max-width: 1024px) {
    .nav__list {
        gap: var(--space-lg);
    }
    
    .language-switcher {
        margin-right: var(--space-sm);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header {
        padding: var(--space-sm) 0;
    }
    
    .header__burger {
        display: flex;
    }
    
    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 100px var(--container-padding) var(--space-2xl);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: calc(var(--z-fixed) - 1);
    }
    
    .header__nav.active {
        transform: translateX(0);
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--space-xl);
        align-items: center;
    }
    
    .nav__link {
        font-size: var(--font-size-h3);
    }
    
    .header__actions {
        gap: var(--space-sm);
    }
    
    .language-switcher {
        margin-right: 0;
    }
    
    .btn--secondary {
        padding: 0.625rem 1.25rem;
        font-size: var(--font-size-small);
    }
}

@media (max-width: 480px) {
    .header__logo img {
        height: 28px;
    }
    
    .language-switcher {
        gap: 0.25rem;
    }
    
    .lang-btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }
}