/* ============ Каталог-меню а-ля Rozetka (SEO-страницы + лендинг) ============ */
.vk-nav-catalog {
  position: relative;
  display: flex;
  align-items: center;
}

.vk-nav-catalog-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.vk-nav-catalog-btn:hover {
  background: #034ED0;
}

.vk-nav-catalog-btn[aria-expanded="true"] {
  box-shadow: 0 6px 18px rgba(9, 100, 252, 0.28);
}

.vk-nav-catalog-icon {
  flex-shrink: 0;
}

/* Десктопная панель: фиксирована и отцентрована по вьюпорту —
   не «уезжает» за край экрана от кнопки */
.vk-nav-catalog-panel {
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1140px, calc(100vw - 32px));
  z-index: 1002;
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 45px rgba(10, 14, 39, 0.18);
  max-height: min(78vh, 660px);
  overflow-y: auto;
  padding: 24px 28px;
  box-sizing: border-box;
}

.vk-catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.vk-catalog-col {
  min-width: 0;
}

.vk-catalog-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
}

.vk-catalog-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vk-catalog-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  color: #1e293b;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  transition: background 0.15s ease, color 0.15s ease;
}

.vk-catalog-link:hover {
  background: rgba(9, 100, 252, 0.08);
  color: var(--primary);
}

.vk-catalog-link-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 6px;
  font-weight: 600;
}

.vk-catalog-link-card:hover {
  background: var(--primary-light);
  border-color: #bfdbfe;
  color: var(--primary);
}

.vk-catalog-card-icon {
  display: inline-flex;
  flex-shrink: 0;
}

.vk-catalog-groups {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.vk-catalog-subgroup {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vk-catalog-subtitle {
  font-size: 12px;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.vk-catalog-sublist {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vk-catalog-more {
  display: inline-block;
  margin-top: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
}

.vk-catalog-more:hover {
  text-decoration: underline;
}

.vk-catalog-contact {
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, #edf5ff 0%, #ffffff 100%);
  border: 1px solid #cbd5e1;
  border-radius: 12px;
}

.vk-catalog-phone-title {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 4px;
}

.vk-catalog-phone {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}

/* ============ Мобильный drawer: аккордеоны каталога ============ */
.vk-nav-acc {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #ffffff;
  overflow: hidden;
  margin: 0 0 10px;
}

.vk-nav-acc summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  color: var(--bg-dark);
  -webkit-tap-highlight-color: transparent;
}

.vk-nav-acc summary::-webkit-details-marker {
  display: none;
}

.vk-nav-acc summary::marker {
  content: "";
  display: none;
}

/* Шеврон: аккуратный круг с галочкой, поворачивается при раскрытии */
.vk-nav-chev {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  position: relative;
  transition: transform 0.2s ease, background 0.2s ease;
}

.vk-nav-chev::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: translate(-50%, -65%) rotate(45deg);
  transition: border-color 0.2s ease;
}

.vk-nav-acc[open] > summary .vk-nav-chev {
  transform: rotate(180deg);
  background: var(--primary);
}

.vk-nav-acc[open] > summary .vk-nav-chev::before {
  border-color: #ffffff;
}

.vk-nav-acc-body {
  padding: 2px 8px 12px;
  display: flex;
  flex-direction: column;
}

.vk-nav-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #334155;
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: background 0.15s ease, color 0.15s ease;
}

.vk-nav-link:hover {
  background: rgba(9, 100, 252, 0.07);
  color: var(--primary);
}

/* Вложенные подгруппы (Статті → темы): визуальная иерархия */
.vk-nav-acc-articles {
  padding: 2px 8px 12px;
}

.vk-nav-acc-sub {
  border: none;
  background: #f8fafc;
  border-radius: 10px;
  margin: 0 0 6px;
}

.vk-nav-acc-sub:last-child {
  margin-bottom: 0;
}

.vk-nav-acc-sub summary {
  padding: 11px 12px;
  font-size: 15px;
  font-weight: 600;
}

.vk-nav-acc-sub .vk-nav-chev {
  flex-basis: 24px;
  width: 24px;
  height: 24px;
  background: #e2e8f0;
}

.vk-nav-acc-sub .vk-nav-chev::before {
  width: 7px;
  height: 7px;
}

.vk-nav-acc-sub .vk-nav-acc-body {
  padding: 0 6px 10px;
}

.vk-nav-acc-sub .vk-nav-link {
  font-size: 14px;
  padding: 8px 10px;
}

.vk-nav-more {
  display: inline-block;
  margin: 6px 0 2px 12px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.vk-nav-more:hover {
  text-decoration: underline;
}

/* Планшет: панель на всю ширину под шапкой */
@media (max-width: 1023px) {
  .vk-nav-catalog-panel {
    top: 72px;
    left: 12px;
    right: 12px;
    transform: none;
    width: auto;
    max-width: none;
    border-radius: 0 0 16px 16px;
    padding: 18px 20px;
  }

  .vk-catalog-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* Мобильный: панель каталога скрыта, работает drawer-бургер */
@media (max-width: 768px) {
  .vk-nav-catalog-btn,
  .vk-nav-catalog-panel {
    display: none;
  }
}