.site-header {
  position: fixed;
  top: 0;
  z-index: 102;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100px;
  background-color: var(--color-white);

  @media (width <= 767px) {
    height: 68px;
  }

  &.transparent {
    background-color: transparent;
  }
}

.header-container {
  display: grid;
  grid-template: 'logo nav contact lang' / auto 1fr auto auto;
  gap: clamp(2px, 3vw, 12px);
  align-items: center;
  justify-content: space-between;
  width: 98%;
  max-width: 1360px;
  margin: auto;

  @media (width <= 1300px) {
    zoom: 0.9;
  }

  @media (width <= 1200px) {
    zoom: 0.85;
  }

  @media (width <= 1100px) {
    zoom: 0.8;
  }

  @media (width <= 1000px) {
    grid-template: 'logo lang hamburger' / auto auto 1fr;
    zoom: 1;
  }

  .header-logo {
    grid-area: logo;
  }

  .header-nav {
    grid-area: nav;
  }

  .header-contact {
    grid-area: contact;

    @media (width <= 1000px) {
      display: none;
    }
  }

  .header-lang {
    grid-area: lang;
  }

  .hamburger-menu {
    display: none;
    grid-area: hamburger;

    @media (width <= 1000px) {
      display: block;
      justify-self: end;
    }
  }
}

.site-branding {
  z-index: 103;
  flex-shrink: 0;
  transition: opacity 0.3s ease;

  &:hover {
    opacity: 0.8;
  }
}

.logo-default {
  :is(.transparent) & {
    display: none;
  }

  :is(.menu-open) & {
    display: block;
  }
}

.logo-transparent {
  display: none;

  :is(.transparent) & {
    display: block;
  }

  :is(.menu-open) & {
    display: none;
  }
}

.pc-navigation {
  @media (width <= 1000px) {
    display: none;
  }

  .menu {
    display: flex;
    align-items: baseline;
    justify-content: space-evenly;
    padding: 0;
    margin: 0;
    list-style: none;
  }
}

.navigation-menu-button {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 10px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-black);
  text-align: center;
  letter-spacing: 0;
  appearance: none;
  cursor: pointer;
  background-color: rgb(126 144 153 / 10%);
  border: none;
  border-radius: 100px;
  transition:
    color 0.3s ease,
    background-color 0.3s ease;

  &:hover {
    color: var(--color-white);
    background-color: var(--color-accent);
  }

  :is(.transparent) & {
    color: var(--color-white);
    background-color: rgb(126 144 153 / 20%);

    &:hover {
      background-color: var(--color-accent);
    }
  }

  .dropdown-arrow {
    flex-shrink: 0;
  }
}

.dropdown-menu {
  --border-radius: 4px;

  position: fixed;
  top: 110px;
  left: 50%;
  z-index: 1000;
  display: grid;
  visibility: hidden;
  grid-template-columns: 1fr 2fr;
  width: 80vw;
  max-width: 1200px;
  min-height: 300px;
  margin: 0;
  list-style: none;
  background: var(--color-white);
  border-radius: var(--border-radius);
  opacity: 0;
  transform: translateX(-50%) translateY(-20px);
  transition: all 0.3s ease;

  &.show {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  @media (width <= 1000px) {
    grid-template-columns: 1fr;
    gap: 8px;
    width: 90vw;
  }

  .parent-column {
    display: grid;
    place-items: center;
    color: var(--color-white);
    text-align: center;
    background-color: var(--color-main);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
  }

  .child-column {
    --padding-y: 20px;

    .child-column-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: var(--padding-y) 0;
      margin: 0;
      list-style: none;

      li.has-child {
        position: relative;
        width: 50%;

        .submenu-list {
          position: fixed;
          top: 0;
          right: 0;
          z-index: 1001;
          box-sizing: border-box;
          display: flex;
          visibility: hidden;
          flex-direction: column;
          justify-content: flex-start;
          width: 33.5%;
          height: 100%;
          padding: var(--padding-y) 0;
          overflow-y: auto;
          background-color: var(--color-accent);
          border-radius: 0 var(--border-radius) var(--border-radius) 0;
          opacity: 0;
          transition:
            opacity 0.4s ease,
            visibility 0.4s ease;

          .submenu-link {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 400;
            color: var(--color-white);
            text-decoration: none;
            border-radius: 4px;
            transition: all 0.2s ease;

            &:hover {
              background-color: inherit;
              opacity: 0.8;
            }
          }
        }

        &:hover .submenu-list {
          visibility: visible;
          opacity: 1;
          transform: translateX(0);
        }
      }
    }
  }
}

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 14px;
  transition: 0.3s ease;

  &:hover,
  &:has(+ .submenu-list:hover) {
    color: var(--color-white);
    background-color: var(--color-accent);
  }

  svg {
    flex-shrink: 0;
    margin-left: auto;
    color: var(--color-white);
    opacity: 0;
  }

  &:hover svg,
  &:has(+ .submenu-list:hover) svg {
    opacity: 1;
  }
}

.mobile-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.hamburger-button {
  position: relative;
  z-index: 103;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  background-color: var(--color-gray-bg);
  border: none;
  border-radius: 50%;
  transition:
    transform 0.3s ease,
    background-color 0.3s ease;

  :is(.transparent) & {
    background-color: rgb(126 144 153 / 20%);
  }

  /* stylelint-disable-next-line no-descending-specificity */
  :is(.menu-open) & {
    background-color: var(--color-gray-bg);
  }

  .hamburger-line {
    width: 20px;
    height: 2px;
    margin: 3px 0;
    background-color: var(--color-black);
    transform-origin: center;
    transition: all 0.3s ease;

    :is(.transparent) & {
      background-color: var(--color-white);
    }

    :is(.menu-open) & {
      background-color: var(--color-black);
    }
  }

  &.active {
    transform: rotate(0deg);

    .hamburger-line:nth-child(1) {
      transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger-line:nth-child(2) {
      opacity: 0;
    }

    .hamburger-line:nth-child(3) {
      transform: rotate(-45deg) translate(6px, -6px);
    }
  }
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 98;
  visibility: hidden;
  width: 100%;
  height: 100%;
  background: rgb(0 0 0 / 50%);
  opacity: 0;
  transition: all 0.3s ease;

  &.active {
    visibility: visible;
    opacity: 1;
  }
}

.language-switch-button {
  z-index: 103;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 4px 0;
  color: var(--color-black);
  text-decoration: none;
  background-color: var(--color-gray-bg);
  border-radius: 50%;
  transition: all 0.3s ease;

  &:hover {
    color: var(--color-accent);
    transform: translateY(-1px);
  }

  :is(.transparent) & {
    color: var(--color-white);
    background-color: rgb(126 144 153 / 20%);

    &:hover {
      background-color: var(--color-accent);
    }
  }

  /* stylelint-disable-next-line no-descending-specificity */
  :is(.menu-open) & {
    color: var(--color-black);
    background-color: var(--color-gray-bg);

    &:hover {
      color: var(--color-accent);
      background-color: var(--color-gray-bg);
    }
  }

  .language-name {
    font-family: var(--font-en);
    font-size: 14px;
    line-height: 1;
    text-align: center;
  }
}

.header-contact-button {
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
  text-align: center;
  background-color: var(--color-accent);
  border-radius: 4px;
  transition: filter 0.3s ease;

  &:hover {
    color: var(--color-white);
    filter: brightness(0.9);
    transform: scale(1.03);
  }
}

.mobile-navigation {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  visibility: hidden;
  width: 100%;
  height: 100vh;
  padding-top: 100px;
  padding-bottom: 40px;
  overflow-y: auto;
  background-color: var(--color-white);
  opacity: 0;
  transform: translateY(-100%);
  transition:
    transform 0.3s ease,
    opacity 0.3s ease,
    visibility 0.3s ease;

  &.active {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu-list {
  padding-bottom: 2rem;
  margin: 0;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-black);
  cursor: pointer;
}

.mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}

.menu-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: currentcolor;
  cursor: pointer;
  background: transparent;
  border: none;
}

.rotate-down {
  transform: rotate(90deg);
  transition: transform 0.3s ease;
}

.accordion-toggle[aria-expanded='true'] .rotate-down {
  transform: rotate(270deg);
}

.mobile-menu-item {
  .accordion-header.is-active {
    color: var(--color-white);
    background-color: var(--color-main);
  }
}

.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  background-color: var(--color-gray-bg);
  transition: grid-template-rows 0.3s ease-out;

  &.is-open {
    grid-template-rows: 1fr;
  }
}

.mobile-submenu-list {
  padding: 0;
  margin: 0;
  overflow: hidden;
  list-style: none;
}

.mobile-submenu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  transition: color 0.3s ease;

  &:active {
    color: var(--color-accent);
  }
}

.mobile-submenu-item {
  border-bottom: 1px solid var(--color-gray-bg);

  &:last-child {
    border-bottom: none;
  }

  .mobile-submenu-list {
    background-color: var(--color-gray-bg);
  }

  .accordion-header.is-active {
    color: var(--color-white);
    background-color: var(--color-accent);
  }
}

.py-8-px-24 {
  padding: 8px 24px;
}

.mobile-menu-contact-button {
  display: block;
  max-width: 200px;
  padding: 1rem;
  margin: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  text-decoration: none;
  background-color: var(--color-accent);
  border-radius: 4px;
  transition: filter 0.3s ease;

  &:hover {
    color: var(--color-white);
    filter: brightness(0.9);
    transform: scale(1.03);
  }
}