/* ==========================================================================
   Шапка — строгая, во всю ширину, липкая. Три уровня:
   строка страниц 36px (светлая) + белая строка 72px + графитовое меню рубрик 48px.
   При прокрутке вниз уезжают две верхние строки, меню с «Каталогом» остаётся;
   при прокрутке вверх — всё обратно.
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: transform .25s var(--ease-out);
}
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .site-header { top: 0; } }
.site-header.is-hidden { transform: translateY(-108px); }

/* --- Строка страниц (верхний уровень) ------------------------------------ */
.header-util {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 36px;
  padding: 0 max(var(--gutter), (100% - var(--container)) / 2 + var(--gutter));
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  font-size: 13px;
}
.header-util__nav { display: flex; align-items: center; gap: 4px; min-width: 0; margin-left: -8px; }
.header-util__link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 8px;
  color: var(--c-text-muted);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.header-util__link:hover { color: var(--c-text); text-decoration: underline; text-underline-offset: 3px; }
.header-util__link.is-active { color: var(--c-text); box-shadow: inset 0 -2px 0 var(--c-accent); }
.header-util__info { display: flex; align-items: center; gap: 18px; margin: 0; color: var(--c-text-muted); white-space: nowrap; }
.header-util__info span { display: inline-flex; align-items: center; gap: 6px; }
.header-util__info .icon { width: 15px; height: 15px; color: var(--c-accent); }

/* --- Верхняя строка ------------------------------------------------------- */
.header-top {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 72px;
  padding: 0 max(var(--gutter), (100% - var(--container)) / 2 + var(--gutter));
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
}
.header-top > .logo { margin-right: 4px; }

.header-search { flex: 1 1 auto; min-width: 160px; }

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  color: var(--c-text);
  font: 600 16px/1 var(--f-mono);
  white-space: nowrap;
  text-decoration: none;
}
.header-phone .icon { width: 22px; height: 22px; }
.header-phone:hover span { text-decoration: underline; text-underline-offset: 3px; }

.header-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--r-m);
  background: transparent;
  color: var(--c-text);
  cursor: pointer;
  transition: background-color var(--t-fast), border-color var(--t-fast);
}
.header-icon .icon { width: 24px; height: 24px; }
.header-icon:hover { background: var(--c-bg); border-color: var(--c-line); }
.header-cta { flex: none; }

.header-cart__count {
  position: absolute;
  top: 3px;
  right: 1px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--g-accent);
  color: var(--c-on-accent);
  font: 700 11px/18px var(--f-mono);
  text-align: center;
}
.header-cart__count.is-empty { display: none; }
.header-cart.is-bump { animation: cart-bump .4s ease; }
@keyframes cart-bump { 40% { transform: scale(1.12); } }

/* бургер: две иконки, видна одна по состоянию */
.burger { display: none; }
.burger .icon:last-child,
.burger[aria-expanded="true"] .icon:first-child { display: none; }
.burger[aria-expanded="true"] .icon:last-child { display: block; }

/* --- Меню категорий (графит) --------------------------------------------- */
.header-nav {
  position: relative;
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 max(var(--gutter), (100% - var(--container)) / 2 + var(--gutter));
  background: var(--c-graphite);
  color: var(--c-on-dark);
}
.header-nav .has-sub { position: relative; flex: none; height: 100%; margin-right: 10px; }
.header-nav__catalog {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 20px;
  border: 0;
  background: var(--g-accent) 100% 0 / 200% 100%;
  color: var(--c-on-accent);
  font: 700 14px/1 var(--f-text);
  cursor: pointer;
  transition: background-position .5s var(--ease-out);
}
.header-nav__catalog .icon { width: 20px; height: 20px; }
.header-nav__catalog:hover,
.has-sub.is-open .header-nav__catalog { background-position: 0 0; }

/* рубрики: все в одну строку, ровно по ширине; не влезшие (site.js) — в «Ещё» */
.header-cats {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  height: 48px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
}
.header-cats li[hidden] { display: none; }
.header-more { flex: none; margin: 0 0 0 4px; }
.header-more[hidden] { display: none; }
.header-more__btn { gap: 4px; border-left: 0; border-right: 0; background: none; cursor: pointer; }
.header-more__btn .icon { width: 16px; height: 16px; transition: transform var(--t-fast); }
.header-more.is-open .header-more__btn .icon { transform: rotate(180deg); }
.submenu--right { left: auto; right: 0; }
.submenu li[hidden] { display: none; }
.header-nav__link {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 10px;
  border-top: 2px solid transparent;
  border-bottom: 2px solid transparent;
  color: var(--c-on-dark);
  font: 600 14px/1 var(--f-text);
  text-decoration: none;
  white-space: nowrap;
}
.header-nav__link:hover { border-bottom-color: var(--c-accent); color: #fff; }
.header-nav__link.is-active { border-bottom-color: var(--c-accent); color: #fff; }

/* выпадающий каталог */
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 360px;
  padding: 8px;
  border: 1px solid var(--c-line);
  border-top: 0;
  border-radius: 0 0 var(--r-l) var(--r-l);
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-fast), visibility var(--t-fast);
}
.submenu ul { display: grid; margin: 0; padding: 0; list-style: none; }
.has-sub:hover .submenu,
.has-sub:focus-within .submenu,
.has-sub.is-open .submenu { opacity: 1; visibility: visible; }

.submenu__link {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--r-s);
  color: var(--c-text);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.submenu__link .icon { width: 22px; height: 22px; color: var(--c-navy); }
.submenu__name { flex: 1; }
.submenu__count { font: 500 12px/1 var(--f-mono); color: var(--c-text-muted); }
.submenu__link:hover { background: var(--c-bg); }
.submenu__all {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  margin-top: 8px;
  padding: 0 12px;
  border-radius: var(--r-m);
  background: var(--c-navy);
  color: #fff;
  font: 700 14px/1 var(--f-text);
  text-decoration: none;
}
.submenu__all .icon { width: 18px; height: 18px; }
.submenu__all:hover { background: var(--c-navy-hover); }

/* --- Мобильное меню ------------------------------------------------------ */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: calc(100dvh - 100%);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px 16px 32px;
  background: var(--c-graphite);
  color: var(--c-on-dark);
  opacity: 0;
  transition: opacity var(--t-base);
}
.mobile-menu.is-open { opacity: 1; }
.mobile-menu__nav { display: grid; }
.mobile-menu__title {
  margin: 20px 0 6px;
  font: 600 12px/1.3 var(--f-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-on-dark-muted);
}
.mobile-menu__sublink,
.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  border-bottom: 1px solid var(--c-line-dark);
  color: var(--c-on-dark);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}
.mobile-menu__link { justify-content: space-between; }
.mobile-menu__link .icon { width: 18px; height: 18px; transform: rotate(-90deg); color: var(--c-on-dark-muted); }
.mobile-menu__link.is-active { color: var(--c-accent); }
.mobile-menu__sublink .icon { width: 22px; height: 22px; color: var(--c-accent); }
.mobile-menu__sublink span { flex: 1; }
.mobile-menu__sublink small { font: 500 12px/1 var(--f-mono); color: var(--c-on-dark-muted); }
.mobile-menu__contacts { display: grid; gap: 12px; padding-top: 24px; }
.mobile-menu__phone { display: inline-flex; align-items: center; gap: 10px; font: 700 22px/1.2 var(--f-mono); color: var(--c-on-dark); text-decoration: none; }
.mobile-menu__phone .icon { width: 22px; height: 22px; color: var(--c-accent); }
.mobile-menu__hours { font-size: 14px; color: var(--c-on-dark-muted); }
.mobile-menu__msgs { display: flex; gap: 8px; }
.mobile-menu__msgs:empty { display: none; }
.mobile-menu .btn { width: 100%; }

html.menu-open { overflow: hidden; }
html.menu-open .site-header { transform: none; }

/* --- Адаптив ------------------------------------------------------------- */
@media (max-width: 1280px) {
  .header-phone span { display: none; }
  .header-phone { justify-content: center; width: 44px; }
  .header-util__info span:first-child { display: none; }
}
@media (max-width: 1100px) {
  :root { --header-h: 72px; }
  .header-util,
  .header-nav { display: none; }
  .burger { display: inline-grid; margin-left: -8px; }
  .site-header.is-hidden { transform: translateY(-100%); }
}
@media (max-width: 860px) {
  :root { --header-h: 125px; }
  .header-top {
    flex-wrap: wrap;
    gap: 2px;
    height: auto;
    padding: 0 6px;
    border-bottom: 0;
  }
  .header-top > * { order: 1; }
  .burger { margin-left: 0; }
  .header-top > .logo { order: 2; margin: 0 auto 0 2px; height: 56px; gap: 8px; }
  .header-top .logo__mark { width: 30px; height: 30px; }
  .header-top .logo__mark .icon { width: 18px; height: 18px; }
  .header-top .logo__text { font-size: 18px; }
  .header-phone { order: 3; }
  .header-cart-wrap { order: 4; }
  .header-icon--account,
  .header-cta { display: none; }
  .header-search {
    order: 10;
    flex: 0 0 calc(100% + 12px);
    margin: 0 -6px;
    padding: 10px 16px;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    background: var(--c-surface);
  }
  .header-search .search-form__input { height: 48px; font-size: 16px; }
}