.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background-color: var(--color-primary-background);
}

.header .wrapper {
    flex-direction: row;
    align-items: center;
    padding: var(--space-xl);
    gap: var(--space-xl);
}

.header .logo {
    text-decoration: none;
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--font-lg);
    flex-shrink: 0;
}

.header .logo img {
    height: 40px;
    width: auto;
    display: block;
}

.header .nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header .nav .menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.header .nav .menu > li {
    position: relative;
}

.header .nav .menu > li > a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    text-decoration: none;
    font-size: var(--font-sm);
    font-weight: 500;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: border .3s ease;
}

.header .nav .menu > li.active > a {
    border-bottom-color: var(--color-primary);
}

.header .nav .menu > li > a:hover {
    border-bottom: 2px solid var(--color-primary);
}

.header .nav .menu > li > a .arrow {
    transition: transform .3s ease;
}

.header .nav .menu > li.open > a .arrow {
    transform: rotate(180deg);
}

.header .nav .menu > li .submenu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 200px;
    background: var(--color-block);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,.15);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    padding: var(--space-md);
    z-index: 10;
}

.header .nav .menu > li .submenu .submenu__inner {
    display: flex;
}

.header .nav .menu > li.open .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.header .nav .menu > li .submenu li a {
    display: block;
    padding: 8px 12px;
    color: inherit;
    text-decoration: none;
    font-size: var(--font-xs);
    border-radius: 6px;
    transition: background .3s ease, color .3s ease;
    white-space: nowrap;
}

.header .nav .menu > li .submenu li a:hover {
    background: color-mix(in srgb, var(--color-primary) 13%, transparent);
    color: var(--color-primary);
}

.header .actions {
    flex-shrink: 0;
}

.header .search-toggle {
    background: none;
    border: none;
    color: var(--color-white-gray);
    cursor: pointer;
    padding: var(--space-sm);
    display: flex;
    align-items: center;
    transition: color .3s ease;
}

.header .search-toggle:hover {
    color: var(--color-white);
}

.header .search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, border-top-color .3s ease;
    background: var(--color-primary-background);
    border-top: 1px solid transparent;
}

.header .search-bar.active {
    max-height: 80px;
    border-top: 1px solid color-mix(in srgb, var(--color-background) 10%, transparent);
}

.header .search-bar .wrapper {
    flex-direction: row;
    padding: var(--space-xl);
}

.header .search-bar .search-form {
    display: flex;
    width: 100%;
    gap: var(--space-md);
}

.header .search-bar input[type=search] {
    flex: 1;
    background: color-mix(in srgb, var(--color-white) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-background) 10%, transparent);
    border-radius: 6px;
    padding: var(--space-md) var(--space-lg);
    color: var(--color-white);
    font-size: var(--font-xs);
    outline: none;
}

.header .search-bar input[type=search]::placeholder {
    color: color-mix(in srgb, var(--color-white) 50%, transparent);
}

.header .search-bar input[type=submit] {
    background: var(--color-primary);
    border: none;
    border-radius: 6px;
    color: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    font-size: var(--font-xs);
    font-weight: 600;
    transition: color .3s ease;
}

.header .search-bar input[type=submit]:hover {
    color: var(--color-white);
}

.header .burger {
    display: none;
    flex-direction: column;
    gap: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    margin-left: auto;
}

.header .burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 320px;
    height: 100%;
    background: var(--color-primary-background);
    z-index: 300;
    transform: translateX(-100%);
    transition: transform .3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 299;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
}

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

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-xl);
    overflow-y: auto;
    height: 100%;
}

.mobile-menu__search .search-form {
    display: flex;
    gap: var(--space-md);
}

.mobile-menu__search .search-form label {
    width: 100%;
}

.mobile-menu__search input[type=search] {
    width: 100%;
    background: color-mix(in srgb, var(--color-white) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-background) 10%, transparent);
    border-radius: 6px;
    padding: var(--space-md) var(--space-lg);
    color: var(--color-white);
    font-size: var(--font-xs);
    outline: none;
}

.mobile-menu__search input[type=search]::placeholder {
    color: color-mix(in srgb, var(--color-white) 50%, transparent);
}

.mobile-menu__search input[type=submit] {
    background: var(--color-primary);
    border: none;
    border-radius: 6px;
    color: var(--color-white);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    font-size: var(--font-xs);
    font-weight: 600;
}

.mobile-menu__nav {
    flex: 1;
}

.mobile-menu__nav .menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.mobile-menu__nav .menu > li.active {
    position: static;
}

.mobile-menu__nav .menu > li.active > a {
    position: relative;
}

.mobile-menu__nav .menu > li.active > a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 16px;
    width: 4px;
    background: var(--color-primary);
}

.mobile-menu__nav .menu > li > a {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) 0;
    color: var(--color-white);
    text-decoration: none;
    font-size: var(--font-sm);
    font-weight: 600;
    border-bottom: 1px solid color-mix(in srgb, var(--color-background) 10%, transparent);
}

.mobile-menu__nav .menu > li.active > a {
    color: var(--color-white);
    padding-left: var(--space-md);
}

.mobile-menu__nav .menu > li > a .arrow {
    transition: transform .3s ease;
    flex-shrink: 0;
}

.mobile-menu__nav .menu > li.has-children.open > a .arrow {
    transform: rotate(180deg);
}

.mobile-menu__nav .submenu {
    position: static;
    transform: none;
    box-shadow: none;
    background: none;
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .3s ease;
}

.mobile-menu__nav .has-children,
.mobile-menu__nav .has-children .submenu {
    flex-direction: column;
}

.mobile-menu__nav .has-children.open .submenu {
    grid-template-rows: 1fr;
}

.mobile-menu__nav .submenu__inner {
    overflow: hidden;
}

.mobile-menu__nav .submenu li a {
    width: 100%;
    display: block;
    padding: 10px 0 10px 16px;
    color: var(--color-white-gray);
    text-decoration: none;
    font-size: var(--font-sm);
    font-weight: 500;
    border-bottom: 1px solid color-mix(in srgb, var(--color-background) 10%, transparent);
    transition: color .3s ease;
}

.mobile-menu__nav .submenu li a:hover {
    color: var(--color-white);
}

.mobile-menu__socials {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding-top: var(--space-lg);
}

.mobile-menu__socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--color-white) 10%, transparent);
    color: var(--color-white);
    transition: background .3s ease;
    text-decoration: none;
}

.mobile-menu__socials a:hover {
    background: var(--color-primary);
}

.mobile-menu__socials a img {
    width: 20px;
    height: 20px;
}

@media (max-width: 1024px) {
    .header .nav,
    .header .actions {
        display: none;
    }

    .header .burger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .header .wrapper {
        padding: var(--space-lg);
        gap: var(--space-lg);
    }

    .mobile-menu .mobile-menu__inner {
        padding: var(--space-lg);
        gap: var(--space-lg);
    }
}