/*
 * Спільна шапка сайту (.site-header) і мега-меню «Послуги» (.mega-menu).
 * Розмітка однакова на всіх сторінках.
 */

/* =========================================================
   Шапка
   ========================================================= */
.site-header {
  position: relative;
  z-index: 20;
  background-color: var(--ds-bg);
  color: var(--ds-text);
}

.site-header__nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ds-space-8);
  padding-block: var(--ds-space-7);
  border-bottom: 1px solid var(--ds-border);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
}

/* пункти меню (з 1024px) */
.site-header__links {
  display: none;
  align-self: stretch;
  gap: var(--ds-space-9);
  margin-right: auto;
  margin-left: var(--ds-space-9);
}

.site-header__item {
  display: flex;
  align-items: center;
}

.site-header__link,
.site-header__mail {
  color: var(--ds-heading);
  font-size: var(--ds-text-body-sm-size);
  letter-spacing: var(--ds-text-body-sm-tracking);
  transition: color var(--ds-duration-fast) var(--ds-ease-standard);
}

.site-header__link:hover,
.site-header__mail:hover,
.site-header__link[aria-current="page"],
.site-header__item--current > .site-header__link {
  color: var(--ds-primary);
}

.site-header__end {
  display: flex;
  align-items: center;
  gap: var(--ds-space-6);
}

.site-header__mail {
  display: none;
}

.site-header__lang {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  min-height: 44px;
  padding: 0 var(--ds-space-6);
  border: 0;
  border-radius: var(--ds-radius-full);
  background-color: var(--ds-surface);
  color: var(--ds-heading);
  font-size: var(--ds-text-body-sm-size);
  font-weight: var(--ds-text-label-weight);
  cursor: pointer;
  transition: background-color var(--ds-duration-fast) var(--ds-ease-standard);
}

.site-header__lang:hover {
  background-color: var(--ds-border);
}

/* пункт «Послуги» з випадним мега-меню */
.site-header__item--menu {
  padding-block: var(--ds-space-7);
  margin-block: calc(var(--ds-space-7) * -1);
}

.site-header__item--menu > .site-header__link {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
}

.site-header__item--menu > .site-header__link svg {
  transition: transform var(--ds-duration-fast) var(--ds-ease-standard);
}

.site-header__item--menu:hover > .site-header__link,
.site-header__item--menu:focus-within > .site-header__link {
  color: var(--ds-primary);
}

.site-header__item--menu:hover > .site-header__link svg,
.site-header__item--menu:focus-within > .site-header__link svg {
  transform: rotate(180deg);
}

.site-header__dropdown {
  position: absolute;
  z-index: 10;
  top: 100%;
  left: 0;
  right: 0;
  padding-top: var(--ds-space-3);
  visibility: hidden;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--ds-duration-fast) var(--ds-ease-standard),
    transform var(--ds-duration-fast) var(--ds-ease-standard),
    visibility 0s linear var(--ds-duration-fast);
}

.site-header__item--menu:hover .site-header__dropdown,
.site-header__item--menu:focus-within .site-header__dropdown {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition-delay: 0s;
}

/* мобільне меню (до 1024px) */
.site-header__burger summary {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-full);
  color: var(--ds-heading);
  list-style: none;
  cursor: pointer;
}

.site-header__burger summary::-webkit-details-marker {
  display: none;
}

.site-header__burger-panel {
  position: absolute;
  z-index: 5;
  top: 100%;
  left: 0;
  right: 0;
  display: grid;
  gap: var(--ds-space-1);
  margin-top: var(--ds-space-3);
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-xl);
  background-color: var(--ds-bg);
}

.site-header__burger-link {
  display: block;
  padding: var(--ds-space-5) var(--ds-space-6);
  border-radius: var(--ds-radius-lg);
  color: var(--ds-heading);
  font-size: var(--ds-text-body-size);
}

.site-header__burger-link:hover,
.site-header__burger-link[aria-current="page"] {
  background-color: var(--ds-surface);
  color: var(--ds-primary);
}

@media (min-width: 1024px) {
  .site-header__links { display: flex; }
  .site-header__mail { display: inline; }
  .site-header__burger { display: none; }
}

/* =========================================================
   Мега-меню
   ========================================================= */
.mega-menu {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ds-space-9);
  padding: var(--ds-space-9);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  background-color: var(--ds-bg);
  color: var(--ds-text);
  box-shadow: var(--ds-shadow-lg);
}

.mega-menu__group {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-5);
  min-width: 0;
}

.mega-menu__title {
  color: var(--ds-neutral-600);
  font-size: var(--ds-text-caption-size);
  font-weight: var(--ds-text-label-weight);
  letter-spacing: var(--ds-text-caption-tracking);
}

.mega-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-1);
}

.mega-menu__link {
  display: flex;
  align-items: center;
  gap: var(--ds-space-5);
  margin-left: calc(var(--ds-space-2) * -1);
  padding: var(--ds-space-2);
  border-radius: var(--ds-radius-md);
  color: var(--ds-heading);
  font-size: var(--ds-text-body-sm-size);
  font-weight: var(--ds-text-label-weight);
  letter-spacing: var(--ds-text-body-sm-tracking);
  line-height: var(--ds-text-label-line);
  transition: background-color var(--ds-duration-fast) var(--ds-ease-standard);
}

.mega-menu__link:hover,
.mega-menu__link[aria-current="page"] {
  background-color: var(--ds-surface);
}

.mega-menu__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background-color: var(--ds-surface);
  color: var(--ds-heading);
  transition: color var(--ds-duration-fast) var(--ds-ease-standard),
    background-color var(--ds-duration-fast) var(--ds-ease-standard);
}

.mega-menu__link:hover .mega-menu__icon,
.mega-menu__link[aria-current="page"] .mega-menu__icon {
  background-color: var(--ds-bg);
  color: var(--ds-primary);
}

/* промо-картка */
.mega-menu__promo {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: var(--ds-space-4);
  min-width: 0;
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  background-color: var(--ds-surface);
  color: var(--ds-text);
  transition: border-color var(--ds-duration-normal) var(--ds-ease-standard);
}

.mega-menu__promo:hover {
  border-color: var(--ds-border-strong);
}

.mega-menu__promo-media {
  position: relative;
  flex: 0 0 40%;
  overflow: hidden;
  border-radius: var(--ds-radius-md);
  background-color: var(--ds-color-black);
}

.mega-menu__promo-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.mega-menu__sparkle {
  position: absolute;
  top: var(--ds-space-4);
  right: var(--ds-space-4);
  color: var(--ds-primary);
}

.mega-menu__promo-text {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-1);
  padding: 0 var(--ds-space-2) var(--ds-space-2);
}

.mega-menu__promo-title {
  color: var(--ds-heading);
  font-size: var(--ds-text-label-size);
  font-weight: var(--ds-text-label-weight);
  line-height: var(--ds-text-label-line);
}

.mega-menu__promo-desc {
  font-size: var(--ds-text-caption-size);
  line-height: 1.5;
}

@media (min-width: 1280px) {
  .mega-menu {
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.25fr);
  }
  .mega-menu__promo {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
  }
  .mega-menu__promo-media {
    flex: none;
  }
}