:root {
    --wfs-header-height: 84px;
    --wfs-transition: 0.25s ease;
}

.wfs-header,
.wfs-header * {
    box-sizing: border-box;
}

.wfs-header {
    font-family: 'Montserrat', Arial, sans-serif;
    background: var(--wfs-white);
    border-bottom: 1px solid var(--wfs-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--wfs-header-height);
}

.wfs-megamenu,
.wfs-nav__dropdown {
    max-width: calc(100vw - 32px);
}

.wfs-header__inner {
    max-width: 1440px;
    margin: 0 auto;
    height: var(--wfs-header-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 24px;
}


.wfs-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 56px;
}

.wfs-logo__img {
    display: block;
    height: 56px;
    width: auto;
    max-height: 56px;
    object-fit: contain;
}


.wfs-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    min-width: 0;
    gap: 16px;
    height: 100%;
    align-self: stretch;
}

.wfs-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: stretch;
    gap: 22px;
    flex-wrap: nowrap;
    flex: 1;
    min-width: 0;
    height: 100%;
    overflow: visible;
}

.wfs-nav:not(.is-ready) .wfs-nav__list {
    visibility: hidden;
}

.wfs-nav__item {
    flex-shrink: 0;
    display: flex;
    align-items: stretch;
    position: relative;
    height: 100%;
}

.wfs-nav__link {
    display: inline-flex;
    align-items: center;
    height: 100%;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1;
    color: var(--wfs-text);
    text-decoration: none;
    white-space: nowrap;
    padding: 0 2px;
    transition: color var(--wfs-transition);
}

.wfs-nav__link:hover,
.wfs-nav__link:focus-visible {
    color: var(--wfs-primary);
}

.wfs-nav__link.is-active {
    color: var(--wfs-primary);
}


.wfs-nav__item.is-active::after {
    content: '';
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: calc(50% - 0.95rem / 2 - 4px);
    height: 3px;
    background-color: var(--wfs-primary, #0A5AAF);
    border-radius: 2px;
}

.wfs-nav__link:focus-visible,
.wfs-contact:focus-visible,
.wfs-lang__item:focus-visible,
.wfs-burger:focus-visible {
    outline: 2px solid var(--wfs-primary);
    outline-offset: 3px;
}


.wfs-contact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--wfs-primary);
    line-height: 1;
}

.wfs-contact__icon {
    display: block;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}


.wfs-lang {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    height: 100%;
}

.wfs-lang__item {
    display: flex;
    line-height: 0;
    opacity: 0.3;
    transition: opacity var(--wfs-transition);
    border-radius: 2px;
}

.wfs-lang__item img {
    display: block;
    border-radius: 2px;
}

.wfs-lang__item:hover,
.wfs-lang__item.is-active {
    opacity: 1;
}


.wfs-nav__overflow {
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

.wfs-nav__overflow[hidden] {
    display: none;
}

.wfs-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.wfs-burger__bar {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--wfs-dark);
    border-radius: 2px;
    transition: transform var(--wfs-transition), opacity var(--wfs-transition);
}

.wfs-burger[aria-expanded="true"] .wfs-burger__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.wfs-burger[aria-expanded="true"] .wfs-burger__bar:nth-child(2) {
    opacity: 0;
}

.wfs-burger[aria-expanded="true"] .wfs-burger__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.wfs-nav__dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 260px;
    max-height: calc(100vh - var(--wfs-header-height) - 24px);
    overflow-y: auto;
    background: var(--wfs-white);
    border: 1px solid var(--wfs-border);
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(27, 28, 28, 0.16);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--wfs-transition), transform var(--wfs-transition), visibility var(--wfs-transition);
}

.wfs-nav__dropdown.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.wfs-nav__dropdown-list {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}

.wfs-nav__dropdown-list .wfs-nav__item {
    border-bottom: 1px solid var(--wfs-border);
    height: auto;
}

.wfs-nav__dropdown-list .wfs-nav__item:last-child {
    border-bottom: none;
}

.wfs-nav__dropdown-list .wfs-nav__link {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
}

.wfs-nav__dropdown-list .wfs-nav__item:hover,
.wfs-nav__dropdown-list .wfs-nav__item:focus-within {
    background-color: #f5f7fa;
}

.wfs-nav__dropdown-list .wfs-nav__item.is-active:hover,
.wfs-nav__dropdown-list .wfs-nav__item.is-active:focus-within {
    background-color: #e8f1fc;
}

.wfs-nav__dropdown-list .wfs-nav__item.is-active {
    background-color: #f0f7ff;
}


.wfs-nav__dropdown-list .wfs-nav__item.is-active::after {
    content: none;
}

.wfs-nav__dropdown-list .wfs-nav__link {
    position: relative;
}

.wfs-nav__dropdown-list .wfs-nav__link.is-active::after {
    content: none;
}

.wfs-nav__dropdown-list .wfs-nav__link.is-active > span {
    position: relative;
}

.wfs-nav__dropdown-list .wfs-nav__link.is-active > span::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 3px;
    background-color: var(--wfs-primary, #0A5AAF);
    border-radius: 2px;
}

.wfs-nav__dropdown-list .wfs-nav__link.wfs-contact {
    display: flex;
    align-items: center;
    gap: 8px;
}


.wfs-nav__link--mega {
    gap: 4px;
}

.wfs-nav__link-chevron {
    display: block;
    flex-shrink: 0;
    transition: transform var(--wfs-transition);
}

.wfs-nav__item--mega.is-open .wfs-nav__link-chevron {
    transform: rotate(180deg);
}



.wfs-megamenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 320px;
    max-width: 560px;
    width: auto;
    background: var(--wfs-white);
    border: 1px solid var(--wfs-border);
    border-radius: 10px;
    box-shadow: 0 16px 40px rgba(27, 28, 28, 0.14);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--wfs-transition), transform var(--wfs-transition), visibility var(--wfs-transition);
    padding: 24px;
}


.wfs-nav__item--mega.is-open .wfs-megamenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.wfs-megamenu__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px 32px;
}

.wfs-megamenu__col {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wfs-megamenu__col:only-child {
    min-width: 200px;
}

.wfs-megamenu__cat {
    font-size: 0.80rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #9aa0aa;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--wfs-border);
    margin-bottom: 4px;
}

.wfs-megamenu__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.wfs-megamenu__list li {
    margin: 0;
    padding: 0;
}

.wfs-megamenu__link {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--wfs-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.wfs-megamenu__link:hover,
.wfs-megamenu__link:focus-visible {
    background-color: #f0f7ff;
    color: var(--wfs-primary);
}

.wfs-megamenu__link:focus-visible {
    outline: 2px solid var(--wfs-primary);
    outline-offset: 2px;
}


.wfs-megamenu__col:only-child .wfs-megamenu__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 4px 16px;
}

.wfs-megamenu__col:only-child .wfs-megamenu__list li {
    width: 100%;
}

.wfs-megamenu__col:only-child .wfs-megamenu__link {
    padding: 8px 12px;
}


.wfs-megamenu__inner:has(.wfs-megamenu__col:nth-child(2)) {
    grid-template-columns: 1fr 1fr;
}


.wfs-megamenu__inner:has(.wfs-megamenu__col:nth-child(3)) {
    grid-template-columns: repeat(3, 1fr);
}

.wfs-nav.has-overflow .wfs-nav__item--mega {
    position: relative;
}

.wfs-nav.has-overflow .wfs-megamenu {
    position: absolute;
    left: 0;
    right: auto;
    transform: translateY(8px);
    width: 400px;
    max-width: calc(100vw - 40px);
    min-width: 280px;
}

.wfs-nav.has-overflow .wfs-nav__item--mega.is-open .wfs-megamenu {
    transform: translateY(0);
}

.wfs-nav__dropdown-list .wfs-nav__item--mega .wfs-megamenu {
    display: none;
}



@media (max-width: 1200px) {
    .wfs-header__inner {
        gap: 16px;
        padding: 0 20px;
    }

    .wfs-nav__list {
        gap: 14px;
    }

    .wfs-nav__link {
        font-size: 0.90rem;
    }
}


@media (max-width: 1024px) {
    .wfs-header__inner {
        gap: 12px;
        padding: 0 16px;
    }

    .wfs-nav__list {
        gap: 10px;
    }

    .wfs-nav__link {
        font-size: 0.85rem;
    }

    .wfs-contact__icon {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 768px) {
    .wfs-header__inner {
        gap: 10px;
        padding: 0 14px;
    }

    .wfs-nav__list {
        gap: 8px;
    }

    .wfs-nav__link {
        font-size: 0.82rem;
    }

    .wfs-contact__icon {
        width: 15px;
        height: 15px;
    }

    .wfs-logo,
    .wfs-logo__img {
        height: 48px;
        max-height: 48px;
    }

    .wfs-megamenu {
        min-width: 280px;
        max-width: 400px;
        padding: 16px;
    }

    .wfs-megamenu__inner {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    .wfs-megamenu__col:only-child .wfs-megamenu__list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .wfs-logo,
    .wfs-logo__img {
        height: 44px;
        max-height: 44px;
    }

    .wfs-header__inner {
        padding: 0 12px;
        gap: 10px;
    }

    .wfs-nav__dropdown {
        right: -8px;
        min-width: min(280px, calc(100vw - 24px));
    }

    .wfs-megamenu {
        min-width: 260px;
        max-width: calc(100vw - 32px);
        padding: 16px;
        left: 50% !important;
        transform: translateX(-50%) translateY(8px) !important;
    }

    .wfs-nav__item--mega.is-open .wfs-megamenu {
        transform: translateX(-50%) translateY(0) !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wfs-nav__dropdown,
    .wfs-burger__bar,
    .wfs-nav__link {
        transition: none !important;
    }
}