/* ==========================================================================
   baikal-uvd.ru — UX-стили
  ==========================================================================
   Содержание:
   01. Переменные
   02. Базовые правки
   03. Утилиты
   04. Hero-блок
   05. Sticky CTA на мобильном
   06. Формы
   07. Модальное окно
   08. Карточки товара
   09. Табы (общие)
   10. Таблица оборотов — десктоп
   11. Таблица оборотов — мобильные карточки
   12. Блок «Варианты исполнения»
   13. Блок «Насосная установка на базе НВД 600»
   14. Блок «Технические параметры и условия поставки»
   15. FAQ для снабженца
   16. Блок «Файлы для скачивания»
   17. Статьи
   18. Квиз Marquiz
   19. stepFORM
   20. Кнопка «Наверх»
   21. Доступность (фокусы)
   22. prefers-reduced-motion
   23. Тёмная тема
   24. Печать
   ========================================================================== */


/* ==========================================================================
   01. Переменные
   ========================================================================== */

:root {
  --ux-primary: #0d6efd;
  --ux-primary-dark: #0b5ed7;
  --ux-primary-light: #e7f0ff;
  --ux-primary-border: #cfe2ff;
  --ux-text: #212529;
  --ux-text-muted: #6c757d;
  --ux-text-soft: #adb5bd;
  --ux-border: #e9ecef;
  --ux-border-soft: #f1f3f5;
  --ux-bg-soft: #f8f9fa;
  --ux-bg-alt: #fafbfc;
  --ux-success: #198754;
  --ux-success-light: #d1e7dd;
  --ux-radius: 0.75rem;
  --ux-radius-sm: 0.5rem;
  --ux-radius-xs: 0.35rem;
  --ux-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --ux-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --ux-shadow-up: 0 -2px 10px rgba(0, 0, 0, 0.1);
  --ux-transition: 0.2s ease-in-out;
}


/* ==========================================================================
   02. Базовые правки
   ========================================================================== */

html {
  scroll-behavior: smooth;
}

body {
  padding-bottom: 60px;
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

.wrapper {
  overflow-x: hidden;
}


/* ==========================================================================
   03. Утилиты
   ========================================================================== */

.nowrap {
  white-space: nowrap;
}

.reset-btn {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.reset-list {
  list-style: none;
  padding: 0;
  margin: 0;
}


/* ==========================================================================
   04. Hero-блок
   ========================================================================== */

.hero-pumps__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 1rem 0 1.25rem;
}

.hero-pumps__badges .badge {
  font-size: 1rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  background: #e7f0ff;
  color: #000;
  border: 1px solid #cfe2ff;
}

.hero-pumps__badges .badge i {
  margin-right: 0.25rem;
  color: #0b5ed7;
}

.spec-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.25rem 0;
}

.spec-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 0.75rem;
  padding: 0.75rem 1.25rem;
  min-width: 120px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  font-size: 0.85rem;
  color: #6c757d;
}

.spec-badge strong {
  font-size: 1.5rem;
  color: #0d6efd;
  line-height: 1.1;
}

.hero-cta {
  background: linear-gradient(180deg, var(--ux-bg-soft) 0%, #ffffff 100%);
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--ux-shadow-sm);
}

.hero-params {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.hero-params li {
  font-size: 0.95rem;
  color: var(--ux-text-muted);
  line-height: 1.3;
}

.hero-params strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ux-primary);
  line-height: 1.1;
  margin-bottom: 0.15rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.hero-actions .btn {
  font-weight: 600;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--ux-text-muted);
  margin: 0;
}

@media (max-width: 575.98px) {
  .hero-cta {
    padding: 1rem;
  }

  .hero-params {
    gap: 0.75rem 1.25rem;
  }

  .hero-params strong {
    font-size: 1.4rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}


/* ==========================================================================
   05. Sticky CTA на мобильном
   ========================================================================== */

.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  z-index: 1050;
  background: #ffffff;
  box-shadow: var(--ux-shadow-up);
}

.mobile-cta__btn {
  flex: 1;
  padding: 14px 12px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  border: 0;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--ux-transition), color var(--ux-transition);
  -webkit-tap-highlight-color: transparent;
}

.mobile-cta__btn--call {
  background: var(--ux-bg-soft);
  color: var(--ux-primary);
  border-right: 1px solid var(--ux-border);
}

.mobile-cta__btn--call:hover,
.mobile-cta__btn--call:focus {
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
}

.mobile-cta__btn--lead,
.mobile-cta__btn--quiz {
  background: var(--ux-primary);
  color: #ffffff;
}

.mobile-cta__btn--lead:hover,
.mobile-cta__btn--lead:focus,
.mobile-cta__btn--quiz:hover,
.mobile-cta__btn--quiz:focus {
  background: var(--ux-primary-dark);
  color: #ffffff;
}

@media (min-width: 992px) {
  .mobile-cta {
    display: none;
  }
}

@supports (padding: max(0px)) {
  .mobile-cta {
    padding-bottom: max(0px, env(safe-area-inset-bottom));
  }

  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom));
  }

  @media (min-width: 992px) {
    body {
      padding-bottom: 0;
    }
  }
}
/* ==========================================================================
   Sticky-навигация
   ========================================================================== */

.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 1020; /* ниже шапки, если она fixed */
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ux-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Скрываем навигацию при скролле вниз и показываем при скролле вверх (опционально) */
.sticky-nav.is-hidden {
  transform: translateY(-100%);
}

.sticky-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
}

.sticky-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}

.sticky-nav__list::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.sticky-nav__link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ux-text-muted);
  text-decoration: none;
  border-radius: var(--ux-radius-sm);
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.sticky-nav__link:hover,
.sticky-nav__link:focus-visible {
  color: var(--ux-primary);
  background: var(--ux-primary-light);
}

/* Активная ссылка (добавляется скриптом) */
.sticky-nav__link.is-active {
  color: var(--ux-primary-dark);
  background: var(--ux-primary-light);
  font-weight: 600;
}

.sticky-nav__actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.sticky-nav__cta {
  font-weight: 600;
  white-space: nowrap;
}

/* Мобильная версия */
@media (max-width: 767.98px) {
  .sticky-nav .container {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .sticky-nav__list {
    margin-bottom: 0.5rem;
    justify-content: flex-start;
  }

  .sticky-nav__link {
    font-size: 0.85rem;
    padding: 0.4rem 0.65rem;
  }

  .sticky-nav__actions {
    width: 100%;
  }

  .sticky-nav__cta {
    width: 100%;
    justify-content: center;
  }
}
/* ==========================================================================
   Sticky-навигация (появление после Hero)
   ========================================================================== */

.sticky-nav {
  position: fixed; /* Фиксируем, чтобы не зависеть от потока документа */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1020;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ux-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  
  /* Анимация появления */
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none; /* Чтобы не перекрывать контент, пока скрыта */
}

/* Класс, который добавляет JS, когда первый экран проскроллен */
.sticky-nav.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Класс, который добавляет JS, когда скроллят вниз (чтобы навигация пряталась) */
.sticky-nav.is-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

/* Компенсация высоты навигации для якорей */
html {
  scroll-padding-top: 80px; /* Высота sticky-nav + отступ */
}

/* ==========================================================================
   Блок «Как это работает»
   ========================================================================== */

.how-it-works {
  background: #fff;
  border-top: 1px solid var(--ux-border);
  border-bottom: 1px solid var(--ux-border);
}

.how-it-works__head {
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.how-it-works__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

/* Карточка шага */
.how-step {
  position: relative;
  padding: 1.5rem;
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: var(--ux-radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.how-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: var(--ux-primary-border);
}

/* Кружок с цифрой */
.how-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ux-primary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

.how-step__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ux-text);
  line-height: 1.3;
}

.how-step__text {
  font-size: 0.875rem;
  color: var(--ux-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* CTA под блоком */
.how-it-works__cta .btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
}

/* Адаптив */
@media (max-width: 991.98px) {
  .how-it-works__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575.98px) {
  .how-it-works__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .how-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
  }

  .how-step__num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
    margin-bottom: 0;
  }

  .how-step__title {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }

  .how-step__text {
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   06. Формы
   ========================================================================== */

.form-action_content {
  border-width: 1px;
  border-radius: var(--ux-radius);
  overflow: hidden;
}

.form-action_header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

#leadForm .form-label,
#leadModalForm .form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ux-text);
  margin-bottom: 0.25rem;
}

#leadForm .form-control,
#leadModalForm .form-control,
.lead-form-snab .form-control,
.lead-form-snab .form-select {
  border-radius: var(--ux-radius-sm);
  border-color: var(--ux-border);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  transition: border-color var(--ux-transition), box-shadow var(--ux-transition);
}

#leadForm .form-control:focus,
#leadModalForm .form-control:focus,
.lead-form-snab .form-control:focus,
.lead-form-snab .form-select:focus {
  border-color: var(--ux-primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.form-consent {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--ux-text-muted);
  line-height: 1.4;
  cursor: pointer;
}

.form-consent input[type="checkbox"] {
  margin-top: 0.2rem;
  flex-shrink: 0;
  cursor: pointer;
}

#leadForm .btn-primary,
#leadModalForm .btn-primary {
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--ux-radius-sm);
  transition: transform 0.1s ease, background var(--ux-transition);
}

#leadForm .btn-primary:active,
#leadModalForm .btn-primary:active {
  transform: scale(0.98);
}

.lead-form-snab .form-label {
  font-size: 0.85rem;
  font-weight: 500;
}

.lead-form-snab .form-consent {
  font-size: 0.8rem;
  color: var(--ux-text-muted);
}


/* ==========================================================================
   07. Модальное окно
   ========================================================================== */

#leadModal .modal-content {
  border: 0;
  border-radius: var(--ux-radius);
  box-shadow: var(--ux-shadow-md);
}

#leadModal .modal-header {
  border-bottom: 1px solid var(--ux-border);
  padding: 1rem 1.25rem;
}

#leadModal .modal-title {
  font-weight: 600;
}

#leadModal .modal-body {
  padding: 1.25rem;
}

/* ==========================================================================
   08. Карточки товара
   ========================================================================== */

/* Карточка */
.cards-pumps .card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  overflow: hidden;
  transition: box-shadow .2s ease, transform .15s ease, border-color .2s ease;
}

.cards-pumps .card:hover {
  border-color: var(--ux-primary-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06);
  transform: translateY(-2px);
}

/* Обёртка изображения — единая высота и фон */
.cards-pumps .card-img--wrap {
  height: 200px;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow: hidden;
  border-bottom: 1px solid var(--ux-border);
}

.cards-pumps .card-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cards-pumps .card__item-unit-pic {
  display: block;
  width: 100%;
  height: 100%;
}

.cards-pumps .card-img-top {
  width: 100%;
  height: 100%;
  max-height: 170px;
  object-fit: contain;
  display: block;
}

/* Название серии — единый отступ */
.cards-pumps .card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ux-text);
  /* margin: 1rem 1rem .5rem; */
  padding: 0;
}

/* Список характеристик */
.cards-pumps .card-body {
  padding: 0 1rem .75rem;
  flex: 1;
}

.cards-pumps .card-feature {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cards-pumps .card-feature li {
  font-size: .875rem;
  color: var(--ux-text-muted);
  padding: .2rem 0;
  line-height: 1.4;
}

.cards-pumps .card-feature strong {
  color: var(--ux-text);
  font-weight: 600;
}

/* Футер с кнопками */
.cards-pumps .card-footer {
  padding: 0 1rem 1rem;
  background: transparent;
  border-top: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

/* Кнопки — одна высота, на всю ширину, с промежутком */
.cards-pumps .card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  padding: .55rem 1rem;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--ux-radius-sm);
  transition: transform .1s ease, background var(--ux-transition), color var(--ux-transition);
}

.cards-pumps .card__btn:active {
  transform: scale(.98);
}

.cards-pumps .card__btn.btn-primary {
  background: var(--ux-primary);
  border-color: var(--ux-primary);
  color: #fff;
}

.cards-pumps .card__btn.btn-primary:hover {
  background: var(--ux-primary-dark);
  border-color: var(--ux-primary-dark);
}

.cards-pumps .card__btn.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--ux-primary);
  color: var(--ux-primary);
}

.cards-pumps .card__btn.btn-outline-primary:hover {
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
}

/* Адаптив */
@media (max-width: 575.98px) {
  .cards-pumps .card-img--wrap {
    height: 160px;
  }

  .cards-pumps .card__name {
    font-size: 1rem;
  }
}
/* ==========================================================================
   09. Табы (общие)
   ========================================================================== */

.tabs__btns-list {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tabs__btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--ux-radius-sm);
  border: 1px solid var(--ux-border);
  background: #ffffff;
  color: var(--ux-text);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ux-transition);
}

.tabs__btn:hover {
  border-color: var(--ux-primary);
  color: var(--ux-primary);
}

.tabs__btn.active {
  background: var(--ux-primary);
  border-color: var(--ux-primary);
  color: #ffffff;
}


/* ==========================================================================
   10. Таблица оборотов — десктоп
   ========================================================================== */

.rev-head {
  margin-bottom: 1rem;
}

.rev-subtitle {
  font-size: 0.875rem;
  color: var(--ux-text-muted);
  margin: 0;
}

.table-hint {
  font-size: 0.85rem;
  color: #495057;
  background: var(--ux-bg-soft);
  border-left: 3px solid var(--ux-primary);
  padding: 0.6rem 0.85rem;
  border-radius: 0 var(--ux-radius-xs) var(--ux-radius-xs) 0;
  margin: 0 0 1rem;
}

.table-hint i {
  color: var(--ux-primary);
  margin-right: 0.25rem;
}

.table-hint b {
  color: var(--ux-text);
}

.table-legend {
  list-style: none;
  padding: 0.75rem 1rem;
  margin: 0 0 1rem;
  background: var(--ux-bg-soft);
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  font-size: 0.8rem;
  color: #495057;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.25rem 0.75rem;
}

.table-legend b {
  color: var(--ux-text);
}

.table-revolutions {
  font-size: 0.9rem;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  overflow: hidden;
}

.table-revolutions thead th {
  background: var(--ux-border-soft);
  font-weight: 600;
  font-size: 0.8rem;
  color: #495057;
  letter-spacing: 0.03em;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--ux-border);
  white-space: nowrap;
}

.table-revolutions tbody td {
  padding: 0.55rem 0.75rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--ux-border-soft);
}

.table-revolutions tbody tr:last-child td {
  border-bottom: 0;
}

.rev-n2 {
  font-weight: 700;
  color: var(--ux-primary-dark);
  background: var(--ux-bg-soft);
  text-align: center;
  font-size: 0.95rem;
}

.rev-v {
  font-weight: 600;
  color: var(--ux-text);
  text-align: center;
}

.rev-group-start td {
  border-top: 2px solid var(--ux-border);
}

.table-revolutions tbody tr:first-child td {
  border-top: 0;
}

.table-revolutions tbody tr:nth-child(even) td:not(.rev-n2) {
  background: var(--ux-bg-alt);
}


/* ==========================================================================
   11. Таблица оборотов — мобильные карточки
   ========================================================================== */

.rev-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rev-card {
  margin-bottom: 1rem;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.rev-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.9rem;
  background: var(--ux-primary-light);
  border-bottom: 1px solid var(--ux-primary-border);
}

.rev-card__head .rev-card__label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ux-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rev-card__head .rev-card__value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ux-primary-dark);
}

.rev-card__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--ux-border-soft);
  font-size: 0.85rem;
}

.rev-card__row:last-child {
  border-bottom: 0;
}

.rev-card__label {
  color: var(--ux-text-muted);
  font-weight: 500;
  flex: 1;
  min-width: 0;
}

.rev-card__value {
  color: var(--ux-text);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.rev-card__value small {
  font-size: 0.7rem;
  color: var(--ux-text-muted);
  font-weight: 400;
  margin-left: 0.15rem;
}

.rev-card__row--result {
  background: var(--ux-bg-soft);
}

.rev-card__row--result .rev-card__value {
  color: var(--ux-primary-dark);
  font-size: 0.95rem;
}

.rev-card__row--alt {
  background: var(--ux-bg-alt);
  border-top: 1px dashed var(--ux-border);
}

.rev-card__row--alt .rev-card__label {
  color: var(--ux-text-soft);
}

@media (max-width: 767.98px) {
  .rev-card__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }

  .rev-card__value {
    text-align: left;
    font-size: 0.95rem;
  }

  .rev-card__head .rev-card__value {
    font-size: 1.15rem;
  }
}

/* ==========================================================================
   12. Блок «Варианты исполнения»
   ========================================================================== */

/* 12.1 Обёртка и заголовок */

.tech-variants {
  background: #fff;
}

.tech-variants__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2rem;
}

.tech-variants__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.tech-variants__lead {
  font-size: 0.95rem;
  color: var(--ux-text-muted);
  margin: 0;
}

/* 12.2 Табы */

.tech-variants__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 640px;
  margin: 0 auto 2rem;
}

.tech-variants__tabs .tabs__btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  background: #fff;
  text-align: left;
  transition: all var(--ux-transition);
}

.tech-variants__tabs .tabs__btn:hover {
  border-color: var(--ux-primary);
}

.tech-variants__tabs .tabs__btn.active {
  border-color: var(--ux-primary);
  background: var(--ux-primary-light);
  box-shadow: 0 0 0 1px var(--ux-primary);
}

.tabs__btn-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ux-text);
}

.tabs__btn-hint {
  font-size: 0.75rem;
  color: var(--ux-text-muted);
  line-height: 1.3;
}

.tech-variants__tabs .tabs__btn.active .tabs__btn-title {
  color: var(--ux-primary-dark);
}

/* 12.3 Панель варианта */

.tech-variants__panel {
  background: var(--ux-bg-soft);
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.tech-variants__panel-head {
  margin-bottom: 1.25rem;
}

.tech-variants__panel-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.tech-variants__panel-title .tab__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

.tech-variants__badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--ux-radius-xs);
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
  border: 1px solid var(--ux-primary-border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tech-variants__for {
  font-size: 0.875rem;
  color: var(--ux-text-muted);
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.75rem;
}

.tech-variants__for i {
  color: var(--ux-primary);
}

.tech-variants__compare {
  color: var(--ux-primary);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.85rem;
  transition: color var(--ux-transition);
}

.tech-variants__compare:hover {
  color: var(--ux-primary-dark);
  text-decoration: underline;
}

/* 12.4 Ключевые цифры */

.tech-variants__key {
  list-style: none;
  padding: 1rem;
  margin: 0 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
}

.tech-variants__key li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.5rem 0.25rem;
  border-right: 1px solid var(--ux-border-soft);
}

.tech-variants__key li:last-child {
  border-right: 0;
}

.tech-variants__key-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ux-primary-dark);
  line-height: 1.1;
}

.tech-variants__key-label {
  font-size: 0.75rem;
  color: var(--ux-text-muted);
  margin-top: 0.15rem;
}

/* 12.5 Список характеристик */

.specs-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--ux-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.specs-copy {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ux-primary);
  background: none;
  border: 0;
  padding: 0.25rem 0.5rem;
  border-radius: var(--ux-radius-xs);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: background var(--ux-transition);
}

.specs-copy:hover {
  background: var(--ux-primary-light);
}

.specs-copy.is-copied {
  color: var(--ux-success);
  background: var(--ux-success-light);
}

.specs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  overflow: hidden;
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--ux-border-soft);
  font-size: 0.9rem;
}

.specs-list li:last-child {
  border-bottom: 0;
}

.specs-list li:nth-child(even) {
  background: var(--ux-bg-alt);
}

.specs-list li span {
  color: var(--ux-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.specs-list li strong {
  color: var(--ux-text);
  font-weight: 600;
  white-space: nowrap;
}

.specs-hint {
  color: var(--ux-text-soft);
  font-size: 0.8rem;
  cursor: help;
}

/* 12.6 CTA-блок */

.tech-variants__cta {
  background: var(--ux-bg-soft);
  border-radius: var(--ux-radius-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.tech-variants__cta-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ux-text);
  margin: 0 0 0.35rem;
}

.tech-variants__cta-note {
  font-size: 0.8rem;
  color: var(--ux-text-muted);
  margin: 0 0 1rem;
  line-height: 1.4;
}

.tech-variants__cta-file {
  font-size: 0.75rem;
  color: var(--ux-text-soft);
  margin: 0;
  text-align: center;
}

.tech-variants__cta-divider {
  margin: 1rem 0;
  border-color: var(--ux-border);
}

.tech-variants__cta-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ux-primary);
  text-decoration: none;
  margin-bottom: 0.25rem;
}

.tech-variants__cta-phone:hover {
  color: var(--ux-primary-dark);
}

.tech-variants__cta-phone i {
  font-size: 0.85rem;
}

.tech-variants__cta-phone-note {
  font-size: 0.75rem;
  color: var(--ux-text-muted);
  margin: 0;
  text-align: center;
}

.specifications-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-top: 1.25rem;
}

.specifications-wrap .tabs-content-left {
  min-width: 0;
}

.specifications-wrap .tabs-content-right {
  min-width: 0;
  position: sticky;
  top: 1rem;
}

.specifications-wrap .tech-variants__cta {
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  padding: 1.25rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

@media (max-width: 991.98px) {
  .specifications-wrap {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .specifications-wrap .tabs-content-right {
    position: static;
  }
}

@media (max-width: 767.98px) {
  .specifications-wrap {
    display: flex;
    flex-direction: column;
  }

  .specifications-wrap .tabs-content-right {
    order: -1;
  }
}

/* 12.7 Адаптив */

@media (max-width: 767.98px) {
  .tech-variants__tabs {
    grid-template-columns: 1fr;
  }

  .tech-variants__panel {
    padding: 1rem;
  }

  .tech-variants__key {
    grid-template-columns: 1fr;
    padding: 0.5rem;
  }

  .tech-variants__key li {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    border-right: 0;
    border-bottom: 1px solid var(--ux-border-soft);
    padding: 0.5rem 0.75rem;
  }

  .tech-variants__key li:last-child {
    border-bottom: 0;
  }

  .tech-variants__key-value {
    font-size: 1.25rem;
  }

  .specs-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }

  .specs-list li strong {
    font-size: 0.95rem;
  }

  .tech-variants__cta {
    margin-top: 1rem;
  }

  .table-legend {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   13. Блок «Насосная установка на базе НВД 600»
   ========================================================================== */

.unit-feature {
  background: linear-gradient(180deg, #ffffff 0%, var(--ux-bg-soft) 100%);
  border-top: 1px solid var(--ux-border);
  border-bottom: 1px solid var(--ux-border);
}

.unit-feature__head {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.unit-feature__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ux-text);
}

.unit-feature__lead {
  font-size: 1rem;
  color: var(--ux-text-muted);
  margin: 0;
  line-height: 1.55;
}

.unit-feature__card {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  max-width: 1040px;
  margin: 0 auto;
}

.unit-feature__media {
  position: relative;
  background: linear-gradient(135deg, var(--ux-bg-soft) 0%, #eef2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  min-height: 280px;
}

.unit-feature__img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: contain;
  display: block;
}

.unit-feature__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: var(--ux-radius-xs);
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
  border: 1px solid var(--ux-primary-border);
}

.unit-feature__body {
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
}

.unit-feature__name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ux-text);
}

.unit-feature__descr {
  font-size: 0.95rem;
  color: #495057;
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.unit-feature__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.unit-feature__specs li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--ux-bg-soft);
  border: 1px solid #eef2f7;
  border-radius: var(--ux-radius-sm);
  padding: 0.6rem 0.85rem;
}

.unit-feature__spec-label {
  font-size: 0.75rem;
  color: var(--ux-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 500;
}

.unit-feature__spec-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ux-text);
}

.unit-feature__includes {
  margin-bottom: 1.5rem;
}

.unit-feature__includes-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #495057;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.unit-feature__includes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.75rem;
}

.unit-feature__includes-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: #495057;
  line-height: 1.45;
}

.unit-feature__includes-list i {
  color: var(--ux-success);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.unit-feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.unit-feature__actions .btn {
  font-weight: 600;
  flex: 1;
  min-width: 200px;
}

.unit-feature__trust {
  list-style: none;
  padding: 0.75rem 0 0;
  margin: 0;
  border-top: 1px solid var(--ux-border-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.unit-feature__trust li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--ux-text-muted);
}

.unit-feature__trust i {
  color: var(--ux-primary);
}

@media (max-width: 991.98px) {
  .unit-feature__card {
    grid-template-columns: 1fr;
  }

  .unit-feature__media {
    min-height: 220px;
    padding: 1rem;
  }

  .unit-feature__img {
    max-height: 240px;
  }

  .unit-feature__body {
    padding: 1.25rem 1.25rem 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .unit-feature__title {
    font-size: 1.35rem;
  }

  .unit-feature__lead {
    font-size: 0.9rem;
  }

  .unit-feature__name {
    font-size: 1.25rem;
  }

  .unit-feature__specs {
    grid-template-columns: 1fr;
  }

  .unit-feature__includes-list {
    grid-template-columns: 1fr;
  }

  .unit-feature__actions {
    flex-direction: column;
  }

  .unit-feature__actions .btn {
    width: 100%;
    min-width: 0;
  }

  .unit-feature__trust {
    gap: 0.35rem 0.75rem;
    font-size: 0.75rem;
  }
}


/* ==========================================================================
   14. Блок «Технические параметры и условия поставки»
   ========================================================================== */

.ttx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: #fff;
  border-radius: var(--ux-radius-sm);
  overflow: hidden;
}

.ttx-table th,
.ttx-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--ux-border);
  text-align: left;
  vertical-align: top;
}

.ttx-table th {
  background: var(--ux-bg-soft);
  font-weight: 600;
  width: 45%;
}

.ttx-table tr:last-child td {
  border-bottom: 0;
}

.ttx-table .ttx-value {
  font-weight: 600;
  color: var(--ux-text);
}

.ttx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.supply-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.supply-card {
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1rem;
  height: 100%;
}

.supply-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ux-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ux-primary-light);
  color: var(--ux-primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.supply-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.supply-card__text {
  font-size: 0.875rem;
  color: #495057;
  margin: 0;
}

.kit-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kit-list li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.4rem 0;
  font-size: 0.9rem;
}

.kit-list li i {
  color: var(--ux-primary);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.kit-list li.is-base i {
  color: var(--ux-success);
}

.analog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.analog-table th,
.analog-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--ux-border);
  text-align: left;
}

.analog-table th {
  background: var(--ux-bg-soft);
  font-weight: 600;
}


/* ==========================================================================
    15. FAQ для снабженца
   ========================================================================== */

.faq-section {
  background: var(--ux-bg-soft);
}

.faq-section__head {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.faq-section__lead {
  font-size: .95rem;
  color: var(--ux-text-muted);
  margin: 0;
}

.faq-snab .accordion-item {
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  margin-bottom: .5rem;
  overflow: hidden;
  background: #fff;
}

.faq-snab .accordion-button {
  font-size: .95rem;
  font-weight: 600;
  color: var(--ux-text);
  background: #fff;
  padding: 1rem 1.25rem;
  box-shadow: none;
}

.faq-snab .accordion-button:not(.collapsed) {
  color: var(--ux-primary-dark);
  background: var(--ux-primary-light);
}

.faq-snab .accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.faq-snab .accordion-body {
  font-size: .9rem;
  color: #495057;
  line-height: 1.6;
  padding: 1rem 1.25rem;
}

.faq-snab .accordion-body a {
  color: var(--ux-primary);
  text-decoration: underline;
}

.faq-snab .accordion-body a:hover {
  color: var(--ux-primary-dark);
}

/* CTA под FAQ */
.faq-section__cta {
  margin-top: 2rem;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  text-align: center;
}

.faq-section__cta-text {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--ux-text);
}

.faq-section__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}

.faq-section__cta-actions .btn {
  font-weight: 600;
}

/* Мобильный */
@media (max-width: 575.98px) {
  .faq-snab .accordion-button {
    font-size: .875rem;
    padding: .85rem 1rem;
  }

  .faq-snab .accordion-body {
    font-size: .85rem;
    padding: .85rem 1rem;
  }

  .faq-section__cta-actions {
    flex-direction: column;
  }

  .faq-section__cta-actions .btn {
    width: 100%;
  }
}

/* ==========================================================================
   Блок «Широкий выбор» — сетка с двумя полюсами
   ========================================================================== */

.range-feature {
  background: linear-gradient(180deg, #ffffff 0%, var(--ux-bg-soft) 100%);
  border-top: 1px solid var(--ux-border);
  border-bottom: 1px solid var(--ux-border);
}

.range-feature__head {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.range-feature__lead {
  font-size: 0.95rem;
  color: var(--ux-text-muted);
  margin: 0;
}

.range-feature__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1.25rem;
  max-width: 1040px;
  margin: 0 auto;
}

/* Карточка полюса */
.range-card {
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, border-color .2s ease, transform .15s ease;
}

.range-card:hover {
  border-color: var(--ux-primary-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06);
  transform: translateY(-2px);
}

.range-card__label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  padding: .25rem .6rem;
  border-radius: var(--ux-radius-xs);
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
  border: 1px solid var(--ux-primary-border);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .75rem;
  align-self: flex-start;
}

.range-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 .75rem;
  color: var(--ux-text);
}

.range-card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  border-top: 1px solid var(--ux-border-soft);
  flex: 1;
}

.range-card__specs li {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--ux-border-soft);
  font-size: .85rem;
}

.range-card__specs span { color: var(--ux-text-muted); }
.range-card__specs strong { color: var(--ux-text); font-weight: 600; }

.range-card__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--ux-primary);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  margin-top: auto;
}

.range-card__link:hover {
  color: var(--ux-primary-dark);
  text-decoration: underline;
}

/* Центральная карточка */
.range-card--mid {
  background: var(--ux-primary-light);
  border-color: var(--ux-primary-border);
  text-align: center;
}

.range-card--mid .range-card__label {
  background: #fff;
  align-self: center;
}

.range-card__mid-text {
  font-size: .95rem;
  color: #495057;
  margin: 0 0 .75rem;
  line-height: 1.5;
}

.range-card__mid-text strong {
  color: var(--ux-primary-dark);
  font-size: 1.1rem;
}

.range-card__mid-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: .85rem;
  color: #495057;
  font-weight: 500;
}

/* Адаптив */
@media (max-width: 991.98px) {
  .range-feature__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

/* ==========================================================================
   Блок «Качество и надёжность» — сетка из 4 карточек
   ========================================================================== */

.quality-feature {
  background: #fff;
}

.quality-feature__head {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.quality-feature__lead {
  font-size: .95rem;
  color: var(--ux-text-muted);
  margin: 0;
}

.quality-feature__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.quality-card {
  background: #fff;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, border-color .2s ease, transform .15s ease;
}

.quality-card:hover {
  border-color: var(--ux-primary-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06);
  transform: translateY(-2px);
}

.quality-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--ux-radius-sm);
  background: var(--ux-primary-light);
  color: var(--ux-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: .75rem;
}

.quality-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 .5rem;
  color: var(--ux-text);
}

.quality-card__text {
  font-size: .875rem;
  color: var(--ux-text-muted);
  margin: 0 0 .75rem;
  line-height: 1.5;
}

.quality-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ux-border-soft);
  flex: 1;
}

.quality-card__list li {
  position: relative;
  padding: .35rem 0 .35rem 1.1rem;
  font-size: .8rem;
  color: var(--ux-text);
  border-bottom: 1px solid var(--ux-border-soft);
}

.quality-card__list li:last-child {
  border-bottom: 0;
}

.quality-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .7rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ux-primary);
}

/* CTA под блоком */
.quality-feature__cta {
  background: var(--ux-bg-soft);
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.quality-feature__cta-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ux-text);
  margin: 0;
}

.quality-feature__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

/* Адаптив */
@media (max-width: 767.98px) {
  .quality-feature__cta {
    flex-direction: column;
    text-align: center;
  }

  .quality-feature__cta-actions {
    width: 100%;
    justify-content: center;
  }

  .quality-feature__cta-actions .btn {
    flex: 1;
    min-width: 0;
  }
}
/* ==========================================================================
   16. Блок «Файлы для скачивания»
   ========================================================================== */

.download-files-1__link {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.75rem;
  border: 1px solid var(--ux-border);
  border-radius: var(--ux-radius-sm);
  text-decoration: none;
  color: var(--ux-text);
  transition: all var(--ux-transition);
  height: 100%;
}

.download-files-1__link:hover,
.download-files-1__link:focus {
  border-color: var(--ux-primary);
  background: var(--ux-primary-light);
  color: var(--ux-primary-dark);
}

.download-files-1__icon {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--ux-primary);
}

.download-files-1__name {
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
  line-height: 1.4;
}


/* ==========================================================================
   17. Статьи
   ========================================================================== */

.article__link {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.4rem;
  color: var(--ux-primary);
  text-decoration: none;
  transition: color var(--ux-transition);
}

.article__link:hover,
.article__link:focus {
  color: var(--ux-primary-dark);
  text-decoration: underline;
}

.article__icon {
  flex-shrink: 0;
  margin-top: 0.2rem;
}


/* ==========================================================================
   18. Квиз Marquiz
   ========================================================================== */

.myquiz {
  background: linear-gradient(180deg, #ffffff 0%, var(--ux-bg-soft) 100%);
  padding: 2rem 0;
  border-radius: var(--ux-radius);
}

.myquiz .section-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

@media (max-width: 767.98px) {
  .myquiz {
    padding: 1.25rem 0;
  }

  .myquiz .section-title {
    font-size: 1.15rem;
    padding: 0 1rem;
  }
}


/* ==========================================================================
   19. stepFORM
   ========================================================================== */

.stepform-wrapper {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.stepform-wrapper .stepform_V4nnRsE {
  border-radius: 16px;
  overflow: hidden;
}

.stepform-wrapper iframe {
  display: block;
  border: 0;
  border-radius: 16px;
}

@media (max-width: 991px) {
  .stepform-wrapper,
  .stepform-wrapper iframe {
    border-radius: 12px;
  }
}


/* ==========================================================================
   20. Кнопка «Наверх»
   ========================================================================== */

#scrollToTopBtn {
  position: fixed;
  right: 1rem;
  bottom: 5rem;
  z-index: 1040;
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ux-shadow-md);
  transition: opacity var(--ux-transition), transform var(--ux-transition);
}

#scrollToTopBtn.visible {
  display: flex;
}

#scrollToTopBtn:hover {
  transform: translateY(-2px);
}

@media (min-width: 992px) {
  #scrollToTopBtn {
    bottom: 1.5rem;
  }
}


/* ==========================================================================
   21. Доступность — фокусы
   ========================================================================== */

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-control:focus-visible {
  outline: 2px solid var(--ux-primary);
  outline-offset: 2px;
}

.btn:focus:not(:focus-visible) {
  box-shadow: none;
}


/* ==========================================================================
   22. prefers-reduced-motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ==========================================================================
   23. Тёмная тема
   ========================================================================== */

[data-bs-theme="dark"] {
  --ux-text: #e9ecef;
  --ux-text-muted: #adb5bd;
  --ux-text-soft: #6c757d;
  --ux-border: #343a40;
  --ux-border-soft: #2b3035;
  --ux-bg-soft: #212529;
  --ux-bg-alt: #1a1d21;
  --ux-primary-light: #0a3d7a;
  --ux-primary-border: #0d6efd;
  --ux-success-light: #0f5132;
}

[data-bs-theme="dark"] .hero-cta {
  background: linear-gradient(180deg, var(--ux-bg-alt) 0%, var(--ux-bg-soft) 100%);
}

[data-bs-theme="dark"] .mobile-cta {
  background: var(--ux-bg-soft);
}

[data-bs-theme="dark"] .mobile-cta__btn--call {
  background: var(--ux-border-soft);
  color: #6ea8fe;
}

[data-bs-theme="dark"] .tabs__btn,
[data-bs-theme="dark"] .tech-variants__tabs .tabs__btn {
  background: var(--ux-bg-soft);
  color: var(--ux-text);
}

[data-bs-theme="dark"] .table-revolutions,
[data-bs-theme="dark"] .specs-list,
[data-bs-theme="dark"] .rev-card,
[data-bs-theme="dark"] .ttx-table,
[data-bs-theme="dark"] .supply-card {
  background: var(--ux-bg-soft);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .table-revolutions thead th {
  background: var(--ux-border-soft);
  color: var(--ux-text-muted);
}

[data-bs-theme="dark"] .rev-n2 {
  background: var(--ux-bg-alt);
}

[data-bs-theme="dark"] .rev-card__row,
[data-bs-theme="dark"] .specs-list li {
  border-color: var(--ux-border-soft);
}

[data-bs-theme="dark"] .rev-card__head {
  background: var(--ux-primary-light);
  border-color: var(--ux-primary-border);
}

[data-bs-theme="dark"] .download-files-1__link {
  color: var(--ux-text);
}

[data-bs-theme="dark"] .download-files-1__link:hover {
  background: var(--ux-primary-light);
  color: #ffffff;
}

[data-bs-theme="dark"] .unit-feature {
  background: linear-gradient(180deg, #16181b 0%, #1a1d21 100%);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .unit-feature__card {
  background: var(--ux-bg-soft);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .unit-feature__title,
[data-bs-theme="dark"] .unit-feature__name,
[data-bs-theme="dark"] .unit-feature__spec-value {
  color: var(--ux-text);
}

[data-bs-theme="dark"] .unit-feature__media {
  background: linear-gradient(135deg, var(--ux-bg-alt) 0%, var(--ux-bg-soft) 100%);
}

[data-bs-theme="dark"] .unit-feature__specs li {
  background: var(--ux-bg-alt);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .unit-feature__trust {
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .tech-variants {
  background: var(--ux-bg-soft);
}

[data-bs-theme="dark"] .tech-variants__panel {
  background: var(--ux-bg-alt);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .tech-variants__key {
  background: var(--ux-bg-soft);
  border-color: var(--ux-border);
}

[data-bs-theme="dark"] .tech-variants__cta {
  background: var(--ux-bg-alt);
  border-color: var(--ux-border);
}


/* ==========================================================================
   24. Печать
   ========================================================================== */

@media print {
  .mobile-cta,
  #scrollToTopBtn,
  .header__search-btn,
  .header__search-form,
  .myquiz,
  .form-action,
  .questionnaires {
    display: none !important;
  }

  body {
    padding-bottom: 0;
  }

  .hero-cta {
    background: none;
    border: 1px solid #ccc;
  }
}