.header {
  position: sticky;
  top: 0;
  padding: 16px 0 12px 0;
  border-bottom: 1px solid var(--color-border-primary);
  background-color: var(--color-bg-primary);
  z-index: 150;
}

.header .header__menu-button {
  display: none;
}

.header.is-opened .header__menu-button .icon {
  background-image: url("../../images/icons/close.svg");
}

.header__content-block {
  display: grid;
  grid-template-columns: var(--space-column-3) 1fr var(--space-column-3);
  gap: 16px 12px;
}

/* Top line */
.header-top-line {
  display: none;
  background: var(--color-bg-secondary-highlight);
  text-decoration: none;
  margin-top: -16px;
  margin-bottom: 16px;
}

.header-top-line .content-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0 var(--space-column-gap);
  min-height: 40px;
}

.header-top-line .button {
  --button-color-text: var(--color-elem-secondary-highlight);
  cursor: inherit;
  text-decoration: 1px dotted underline;
  text-underline-offset: 2px;
}

.header-top-line:hover .button,
.header-top-line:active .button {
  text-decoration: 1px solid underline;
}

.header-top-line .header-top-line__short-label {
  display: none;
}

/* Contants */
.header__contacts {
  display: flex;
  flex-direction: column;
  justify-content: center;
  grid-column-start: 1;
  grid-row-start: 1;
}

.header-contacts__line {
  display: flex;
  gap: 0px 12px;
  align-items: center;
}

.header-contacts__line .button {
  padding: 0;
}

/* Logo */
.header__logo {
  grid-column: 2/3;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header__logo img {
  height: 100%;
  max-height: 52px;
}

.header__actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

/* Social */
.header__social {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 4px;
  grid-column-start: 1;
  grid-row-start: 2;
}

/* Navigation */
.header__nav {
  grid-column-start: 2;
  grid-row-start: 2;
}

.header__nav > ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.header__nav li {
  list-style-type: none;
}

.header__nav a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  box-sizing: border-box;
  min-height: 28px;
  padding: 0 12px;
  border-radius: var(--border-radius-e);
  color: var(--color-elem-primary);
  font-size: var(--font-size-span-m);
  font-weight: 500;
  text-align: center;
  letter-spacing: var(--font-letter-spacing);
  text-decoration: none;
  transition: var(--transition-m);
  width: 100%;
  min-width: max-content;
}

.header__nav > ul > li {
  position: relative;
}

.header__nav > ul > li > a {
  white-space: nowrap;
  transition: var(--transition-m);
}

.header__nav a:hover,
.header__nav a:active {
  color: var(--color-elem-accent-primary-alt);
  text-decoration: underline dotted;
}

.header__nav > ul > li > a:hover::after,
.header__nav > ul > li > a:active::after {
  filter: var(--icon-filter-blue);
}

/* ---------- Adaptation ---------- */

@media screen and (max-width: 1280px) {
  .header-top-line {
    display: block;
  }

  .header__content-block {
    grid-template-columns: var(--space-column-2) 1fr var(--space-column-2);
  }

  .header .header__menu-button {
    display: flex;
  }

  .header::after {
    content: "";
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    height: 75px;
    background: var(--color-bg-secondary-highlight);
    transition: var(--transition-m);
    opacity: 0;
    transform: translateX(-100vw);
    z-index: -1;
  }

  .header.is-opened::after {
    opacity: 1;
    transform: translateY(0);
  }

  .header__actions {
    grid-column: 1/2;
    grid-row: 1;
  }

  .header__actions {
    justify-content: flex-start;
  }

  .header .button.header__target-button {
    position: absolute;
    right: var(--padding-content-area);
  }

  .header:not(.is-opened) .header__contacts {
    display: none;
  }

  .header__contacts {
    position: fixed;
    top: 168px;
    z-index: 1;
  }
}

@media screen and (min-width: 1025px) {
  .header__nav > ul > li:has(ul) > a::after {
    content: "";
    --icon-filter-blue: brightness(380%) hue-rotate(30deg) contrast(150%);

    display: inline-block;
    width: 16px;
    height: 16px;
    aspect-ratio: 1/1;
    background-size: contain;
    background-image: url("../../images/icons/chervon-down.svg");
  }
  .header__nav > ul > li > ul {
    position: absolute;
    top: calc(100% + 4px);
    display: flex;
    flex-direction: column;
    gap: 2px;
    left: 50%;
    padding: 8px 4px;
    transform: translate(-50%, 0);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--border-radius-s);
    box-shadow: var(--shadow-button);
    transition: var(--transition-m);
  }

  .header__nav > ul > li > ul::before {
    content: "";
    position: absolute;
    top: -8px;
    left: 0;
    width: 100%;
    height: 8px;
  }

  .header__nav > ul > li > ul::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-radius: var(--border-radius-s);
    border-left: 1px solid var(--color-border-primary);
    border-top: 1px solid var(--color-border-primary);
    background-color: var(--color-bg-primary);
  }

  .header__nav > ul > li:not(:hover) > ul {
    transform: translate(-50%, -12px);
    opacity: 0;
    pointer-events: none;
    user-select: none;
  }
}

@media screen and (max-width: 1024px) {
  .header::after {
    height: calc(100vh - 100%);
  }

  .header__contacts {
    top: auto;
    bottom: 16px;
  }

  .header__content-block {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .header__logo {
    grid-column: 1/4;
  }

  .header__actions {
    grid-column: 1/2;
    grid-row: 2;
  }

  .header:not(.is-opened) .header__social,
  .header:not(.is-opened) .header__nav {
    display: none;
  }

  .header__social {
    position: fixed;
    right: var(--padding-content-area);
    bottom: 16px;
  }

  .header__social .button.is-style-secondary {
    --button-bg: var(--color-bg-primary);
  }

  .header__nav {
    --header-nav-bottom-margin: 122px;
    position: absolute;
    top: calc(100% + 16px);
    width: calc(100% - var(--padding-content-area) * 2);
    max-height: calc(
      100dvh - 100% - var(--header-nav-bottom-margin) -
        var(--padding-content-area)
    );
    overflow-y: auto;
    padding-bottom: 32px;
    box-sizing: border-box;
  }

  .header__nav::after {
    content: "";
    position: fixed;
    left: var(--padding-content-area);
    bottom: var(--header-nav-bottom-margin);
    z-index: 1;
    width: 100%;
    height: 32px;
    background: linear-gradient(
      to bottom,
      #ecf6f600,
      var(--color-bg-secondary-highlight)
    );
  }

  .header__nav > ul {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }

  .header__nav a {
    padding: 0;
    justify-content: flex-start;
    text-align: left;
  }

  .header__nav > ul > li > a {
    font-weight: 700;
  }

  .header__nav > ul > li > ul a::before {
    content: "";
    display: inline-block;
    height: 14px;
    aspect-ratio: 1/1;
    background-size: contain;
    background-image: url("../../images/icons/arrow-right-md.svg");
    filter: brightness(380%) hue-rotate(30deg) contrast(150%);
  }
}

@media screen and (max-width: 780px) {
  .header__contacts {
    bottom: 60px;
    width: calc(100% - var(--padding-content-area) * 2);
  }

  .header-contacts__line {
    flex-wrap: wrap;
  }

  .header__social {
    right: auto;
    bottom: 16px;
  }
}

@media screen and (max-width: 480px) {
  .header:not(.is-opened) .header__catalog-button {
    display: none;
  }

  .header__catalog-button {
    position: fixed;
    left: var(--padding-content-area);
    bottom: 122px;
  }

  .header__nav {
    --header-nav-bottom-margin: 178px;
  }

  .header-top-line .header-top-line__full-label {
    display: none;
  }

  .header-top-line .header-top-line__short-label {
    display: block;
  }
}

@media screen and (max-width: 350px) {
  .header__target-button {
    --button-padding-side: 8px !important;
  }

  .header__catalog-button {
    bottom: 150px;
  }

  .header__nav {
    --header-nav-bottom-margin: 206px;
  }
}