.main-header {
    background: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    border-bottom: 1px solid var(--border-color);
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.header-brand {
    flex: 1;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 8px;
    background: var(--light-bg);
    padding: 6px;
    border-radius: 8px;
}

.lang-btn {
    padding: 8px 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    border-radius: 6px;
}

.lang-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* Cart Toggle */
.cart-toggle {
    position: relative;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition);
}

.cart-toggle:hover {
    color: var(--primary-color);
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

/* Navigation */
.header-nav {
    background: var(--light-bg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    padding: 16px 20px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}