/* =========================================================
Внутренние навигации
=========================================================*/
nav.mk-nav{
  text-align:center;
  margin:30px auto;
}
.mk-nav__inner{ display:inline-flex; gap:10px; flex-wrap:wrap; justify-content:center; }
.mk-pill{
  display:inline-block;
  background:#eef2f6;
  color:#2c3e50;
  font-weight:700;
  padding:10px 14px;
  border-radius:999px;
  text-decoration:none;
}
.mk-pill:hover{ color:#bf7d03; }

/*=========================================================*/

.models-nav { margin: 16px 0 24px; }
.models-nav__summary {
  cursor: pointer;
  font-weight: 600;
  line-height: 1.3;
  padding: 10px 0;
  list-style: none;
}
.models-nav__details[open] > .models-nav__summary { border-bottom: 1px solid #e5e7eb; }

.models-nav__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 16px;
  padding: 12px 0 0;
  margin: 0;
  list-style: none;
}

.models-nav__item { min-height: 44px; }

.models-nav__link {
  display: block;
  text-decoration: none;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  line-height: 1.35;
  transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}
.models-nav__link:focus { outline: 2px solid #2563eb; outline-offset: 2px; }
.models-nav__link:hover {
  border-color: #d1d5db;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transform: translateY(-1px);
}

/* ≥768px: 2 колонки */
@media (min-width: 768px) {
.models-nav__list { grid-template-columns: repeat(2, 1fr); }
}
/* ≥1200px: 3 колонки */
@media (min-width: 1200px) {
.models-nav__list { grid-template-columns: repeat(3, 1fr); }
}


/* =========================================================
   Mirtels menu.css
   Cassiopeia + mod_menu + Bootstrap collapse
   Current HTML:
   .container-nav > nav.navbar > .navbar-collapse > ul.mod-menu.vk-menu
   ========================================================= */

/* =========================
   TOKENS
========================= */
.container-nav {
  --vk-top-text: #fff;
  --vk-top-hover-bg: rgba(255, 255, 255, .14);
  --vk-top-active-bg: rgba(255, 255, 255, .18);

  --vk-menu-bg: #fff;
  --vk-menu-text: #1f2933;
  --vk-menu-muted: rgba(31, 41, 51, .65);
  --vk-menu-hover-bg: rgba(88, 117, 197, .12);
  --vk-menu-hover-text: #283d78;
  --vk-menu-border: rgba(31, 41, 51, .14);
  --vk-menu-sep: rgba(31, 41, 51, .14);
  --vk-menu-shadow: 0 14px 34px rgba(0, 0, 0, .14);

  --vk-radius: var(--r, 8px);
  --vk-anim: .22s;
  --vk-ease: cubic-bezier(.2, .8, .2, 1);
}

/* =========================
   BASE
========================= */
.container-nav ul.mod-menu.vk-menu,
.container-nav ul.mod-menu.vk-menu ul.mod-menu__sub {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container-nav ul.mod-menu.vk-menu a {
  text-decoration: none;
}

/* Cassiopeia underline reset only for this menu */
@media (min-width: 992px) {
  .container-header .container-nav ul.mod-menu.vk-menu > li.nav-item::after,
  .container-header .container-nav ul.mod-menu.vk-menu > li.nav-item:hover::after,
  .container-header .container-nav ul.mod-menu.vk-menu > li.nav-item.active::after {
    content: none !important;
    display: none !important;
  }
}

/* =========================
   DESKTOP (>= 992px)
========================= */
@media (min-width: 992px) {

  .container-nav .navbar-collapse {
    overflow: visible !important;
    min-width: 0;
  }

  .container-nav ul.mod-menu.vk-menu.nav {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    white-space: nowrap;
    min-width: 0;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item + li.nav-item {
    margin-left: 10px;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item > a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: var(--vk-radius);
    color: var(--vk-top-text) !important;
    line-height: 1.2;
    transition: background-color .16s ease, color .16s ease;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item > a:hover,
  .container-nav ul.mod-menu.vk-menu > li.nav-item > a:focus-visible {
    background: var(--vk-top-hover-bg);
    outline: none;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item.active > a,
  .container-nav ul.mod-menu.vk-menu > li.nav-item > a[aria-current="page"] {
    background: var(--vk-top-active-bg);
  }

  /* Mobile toggle buttons hidden on desktop */
  .container-nav button.mod-menu__toggle-sub {
    display: none !important;
  }

  /* Dropdowns must not affect document height */
  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub {
    display: none !important;
    position: absolute !important;
    left: 0;
    top: calc(100% - 4px);
    z-index: 3000;

    min-width: 280px;
    max-width: 420px;
    padding: 8px;
    margin: 0;

    background: var(--vk-menu-bg);
    border: 1px solid var(--vk-menu-border);
    border-radius: var(--vk-radius);
    box-shadow: var(--vk-menu-shadow);
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item.parent:hover > ul.mod-menu__sub,
  .container-nav ul.mod-menu.vk-menu > li.nav-item.parent:focus-within > ul.mod-menu__sub {
    display: block !important;
  }

  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item + li.nav-item {
    border-top: 1px dotted var(--vk-menu-sep);
    margin-top: 4px;
    padding-top: 4px;
  }

  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item > a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--vk-radius);
    color: var(--vk-menu-text) !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color .16s ease, color .16s ease;
  }

  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item > a:hover,
  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item > a:focus-visible {
    background: var(--vk-menu-hover-bg);
    color: var(--vk-menu-hover-text) !important;
    outline: none;
  }

  /* Top-level caret for parents */
  .container-nav ul.mod-menu.vk-menu > li.nav-item.parent > a {
    padding-right: 30px;
    position: relative;
  }

  .container-nav ul.mod-menu.vk-menu > li.nav-item.parent > a::after {
    content: "";
    position: absolute;
    right: 12px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-right: 2px solid rgba(255, 255, 255, .75);
    border-bottom: 2px solid rgba(255, 255, 255, .75);
    transform: translateY(-55%) rotate(45deg);
    opacity: .9;
    pointer-events: none;
  }

  /* Flyout (3rd level) */
  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub ul.mod-menu__sub {
    display: none !important;
    top: -8px;
    left: calc(100% - 3px);
  }

  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item.parent:hover > ul.mod-menu__sub,
  .container-nav ul.mod-menu.vk-menu ul.mod-menu__sub > li.nav-item.parent:focus-within > ul.mod-menu__sub {
    display: block !important;
  }
}

/* =========================
   MOBILE / TABLET (< 992px)
   Menu look + arrow buttons (JS adds buttons)
========================= */
@media (max-width: 991.98px) {

  .container-nav {
    --vk-menu-bg: #000;
    --vk-menu-text: #fff;
    --vk-menu-muted: rgba(255, 255, 255, .72);
    --vk-menu-hover-bg: rgba(255, 255, 255, .10);
    --vk-menu-hover-text: #fff;
    --vk-menu-border: rgba(255, 255, 255, .18);
    --vk-menu-sep: rgba(255, 255, 255, .16);
  }

  /* panel */
  .container-nav .navbar-collapse {
    background: var(--vk-menu-bg);
    color: var(--vk-menu-text);
    border-radius: var(--vk-radius);
    padding: 12px 12px;
  }

  .container-nav .navbar-collapse > ul.mod-menu.vk-menu.nav {
    display: block !important;
    width: 100% !important;
  }

  /* item grid: link + arrow */
  .container-nav .navbar-collapse li.nav-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
    grid-template-rows: auto auto;
    align-items: start;
    column-gap: 8px;
    row-gap: 4px;
    width: 100%;
  }

  .container-nav .navbar-collapse li.nav-item:not(.parent) {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }

  .container-nav .navbar-collapse li.nav-item > a {
    grid-column: 1;
    grid-row: 1;
    display: block;
    padding: 10px 12px;
    border-radius: var(--vk-radius);
    color: var(--vk-menu-text) !important;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.25;
  }

  .container-nav .navbar-collapse li.nav-item > a:hover,
  .container-nav .navbar-collapse li.nav-item > a:focus-visible {
    background: var(--vk-menu-hover-bg);
    outline: none;
  }

  /* toggle button: kill global button styles here */
  .container-nav .navbar-collapse button.mod-menu__toggle-sub {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    justify-self: end;

    width: 40px;
    height: 40px;
    margin: 0;
    padding: 0;

    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;

    border-radius: var(--vk-radius);
    color: #fff !important;

    display: inline-flex !important;
    align-items: center;
    justify-content: center;

    position: static !important;
    inset: auto !important;
  }

  .container-nav .navbar-collapse button.mod-menu__toggle-sub:hover,
  .container-nav .navbar-collapse button.mod-menu__toggle-sub:focus-visible {
    background: var(--vk-menu-hover-bg) !important;
    outline: none;
  }

  /* draw chevron without emoji/icon font */
  /* submenu */
  .container-nav .navbar-collapse ul.mod-menu__sub {
    grid-column: 1 / -1;
    grid-row: 2;

    display: block !important;
    position: static !important;

    margin: 0 !important;
    padding: 0 !important;

    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-2px);
    pointer-events: none;

    transition:
      max-height var(--vk-anim) var(--vk-ease),
      opacity var(--vk-anim) var(--vk-ease),
      transform var(--vk-anim) var(--vk-ease);
  }

  .container-nav .navbar-collapse ul.mod-menu__sub.is-open {
    max-height: 2000px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    margin: 2px 0 6px 0 !important;
  }

  /* depth indent */
  .container-nav .navbar-collapse > ul.mod-menu.vk-menu > li > ul.mod-menu__sub > li > a { padding-left: 20px; }
  .container-nav .navbar-collapse > ul.mod-menu.vk-menu > li > ul.mod-menu__sub > li > ul.mod-menu__sub > li > a { padding-left: 34px; }
  .container-nav .navbar-collapse > ul.mod-menu.vk-menu > li > ul.mod-menu__sub > li > ul.mod-menu__sub > li > ul.mod-menu__sub > li > a { padding-left: 48px; }

  .container-nav .navbar-collapse ul.mod-menu__sub > li.nav-item + li.nav-item {
    border-top: 1px dotted var(--vk-menu-sep);
    margin-top: 6px;
    padding-top: 6px;
  }

/* ===== FIX: remove Cassiopeia built-in caret to avoid double chevron ===== */

  .container-header .container-nav .navbar-collapse button.mod-menu__toggle-sub::before,
  .container-header .container-nav .navbar-collapse button.mod-menu__toggle-sub::after{
    content: none !important;
    display: none !important;
  }
}

/* Safety: no horizontal scroll */
html, body { overflow-x: clip; }
@supports not (overflow: clip) { html, body { overflow-x: hidden; } }


/* =========================================================
   FIX: mobile submenu toggle arrow visibility
   - some global button rules may suppress pseudo-elements or set dark color
   - we force a visible chevron using ::before and hide any internal span icon
   ========================================================= */
@media (max-width: 991.98px){
  .container-header .container-nav .navbar-collapse button.mod-menu__toggle-sub{
    background: transparent !important;
    color: #fff !important;          /* visible on black panel */
  }

  /* Chevron element (span.vk-chev injected by JS) */
  .container-nav .navbar-collapse button.mod-menu__toggle-sub .vk-chev{
    display:block !important;
    width:10px;
    height:10px;
    border-right:2px solid currentColor;
    border-bottom:2px solid currentColor;
    transform:rotate(45deg);
    transition:transform .18s ease;
    pointer-events:none;
  }
  .container-nav .navbar-collapse button.mod-menu__toggle-sub[aria-expanded="true"] .vk-chev{
    transform:rotate(225deg);
  }
  }


/* =========================================================
   DESKTOP FIX: 3rd level aligns to hovered item (not to whole dropdown)
   ========================================================= */
@media (min-width: 992px) {

  /* ВАЖНО: позиционируем родителя 3 уровня */
  .container-nav ul.mod-menu__sub li.parent,
  .container-nav ul.mod-menu__sub li.deeper {
    position: relative !important;
  }

  /* 3+ уровень: строго от текущего пункта (li), а не от всего dropdown */
  .container-nav ul.mod-menu__sub li.parent > ul.mod-menu__sub,
  .container-nav ul.mod-menu__sub li.deeper > ul.mod-menu__sub {
    top: 0 !important;
    left: calc(100% - 2px) !important; /* небольшой нахлёст убирает щель */
    margin: 0 !important;
  }

  /* На всякий случай: показываем 3-й уровень только от текущего пункта */
  .container-nav ul.mod-menu__sub li.parent:hover > ul.mod-menu__sub,
  .container-nav ul.mod-menu__sub li.parent:focus-within > ul.mod-menu__sub,
  .container-nav ul.mod-menu__sub li.deeper:hover > ul.mod-menu__sub,
  .container-nav ul.mod-menu__sub li.deeper:focus-within > ul.mod-menu__sub {
    display: block !important;
  }
}