/* =============================================================================
   modular-cont-redesign.css
   Редизайн страницы «Модульные заводы контейнерного типа» — АО «НИТРО СИБИРЬ»
   Современный промышленный B2B-лендинг. Без Bootstrap-зависимостей в контенте.
   Все классы с префиксом .mc- — чтобы не конфликтовать с глобальными стилями
   проекта и Bootstrap (header/footer остаются на Bootstrap).
   ============================================================================= */

:root {
  --mc-primary:      #0d6efd;
  --mc-primary-600:  #0a58ca;
  --mc-primary-700:  #0848a8;
  --mc-ink:          #152a45;   /* глубокий «промышленный» тёмно-синий */
  --mc-ink-2:        #1e3a5f;
  --mc-text:         #2b3440;
  --mc-muted:        #5b6b7b;
  --mc-bg:           #ffffff;
  --mc-bg-soft:      #eef5ff;   /* фирменный мягкий голубой из исходной страницы */
  --mc-bg-alt:       #f5f8fc;
  --mc-border:       #e6edf5;
  --mc-shadow:       0 10px 30px rgba(16, 42, 75, .08);
  --mc-shadow-lg:    0 20px 50px rgba(16, 42, 75, .16);
  --mc-radius:       18px;
  --mc-radius-sm:    12px;
  --mc-radius-pill:  999px;
  --mc-maxw:         1200px;
  --mc-section-pad:  clamp(56px, 8vw, 112px);
  --mc-ease:         cubic-bezier(.22, .61, .36, 1);
}

/* ---------- База / контейнер ---------- */
.mc-page { color: var(--mc-text); font-family: "Roboto", sans-serif; }
.mc-section { padding-block: var(--mc-section-pad); }
.mc-section--soft { background: var(--mc-bg-alt); }
.mc-section--tight { padding-block: clamp(40px, 5vw, 72px); }

.mc-container {
  width: 100%;
  max-width: var(--mc-maxw);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

/* ---------- Типографика / заголовки секций ---------- */
.mc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mc-primary);
  margin: 0 0 14px;
}
.mc-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--mc-primary);
  border-radius: 2px;
}
.mc-section-head { max-width: 760px; margin: 0 0 clamp(32px, 5vw, 56px); }
.mc-section-head--center { margin-inline: auto; text-align: center; }
.mc-section-head--center .mc-eyebrow { justify-content: center; }

.mc-h2 {
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.15;
  color: var(--mc-ink);
  margin: 0 0 16px;
}
.mc-h3 {
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  color: var(--mc-ink);
  margin: 0 0 10px;
}
.mc-lead {
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  line-height: 1.7;
  color: var(--mc-muted);
  margin: 0;
}
.mc-text { font-size: 1.02rem; line-height: 1.8; color: var(--mc-text); }
.mc-text + .mc-text { margin-top: 1rem; }

/* ---------- Кнопки ---------- */
.mc-btn {
  --_bg: var(--mc-primary);
  --_fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  color: var(--_fg);
  background: var(--_bg);
  border: 2px solid var(--_bg);
  border-radius: var(--mc-radius-pill);
  cursor: pointer;
  transition: transform .25s var(--mc-ease), box-shadow .25s var(--mc-ease),
              background-color .25s var(--mc-ease), color .25s var(--mc-ease);
}
.mc-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(13, 110, 253, .32);
  color: #fff;
}
.mc-btn--lg { padding: 17px 34px; font-size: 1.08rem; }
.mc-btn--ghost {
  --_bg: transparent;
  --_fg: var(--mc-primary);
  border-color: rgba(13, 110, 253, .4);
}
.mc-btn--ghost:hover {
  background: var(--mc-primary);
  color: #fff;
  box-shadow: 0 12px 26px rgba(13, 110, 253, .25);
}
.mc-btn--on-dark { --_bg:#fff; --_fg: var(--mc-ink); border-color:#fff; }
.mc-btn--on-dark:hover { color: var(--mc-ink); box-shadow: 0 12px 30px rgba(0,0,0,.3); }
.mc-btn--outline-light { --_bg: transparent; --_fg:#fff; border-color: rgba(255,255,255,.55); }
.mc-btn--outline-light:hover { background: #fff; color: var(--mc-ink); box-shadow: 0 12px 30px rgba(0,0,0,.3); }
.mc-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* =============================================================================
   1. HERO
   ============================================================================= */
.mc-hero {
  position: relative;
  background:
    radial-gradient(120% 120% at 100% 0%, var(--mc-bg-soft) 0%, transparent 55%),
    linear-gradient(180deg, #ffffff 0%, var(--mc-bg-alt) 100%);
  overflow: hidden;
}
.mc-hero__inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(40px, 6vw, 84px) var(--mc-section-pad);
}
.mc-hero__title {
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.08;
  color: var(--mc-ink);
  margin: 0 0 20px;
}
.mc-hero__title b { color: var(--mc-primary); }
.mc-hero__lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.65;
  color: var(--mc-muted);
  max-width: 56ch;
  margin: 0 0 30px;
}
.mc-hero__media { position: relative; }
.mc-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--mc-radius);
  box-shadow: var(--mc-shadow-lg);
}
.mc-hero__badge {
  position: absolute;
  left: -10px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 14px 18px;
  border-radius: 14px;
  box-shadow: var(--mc-shadow);
}
.mc-hero__badge i { color: var(--mc-primary); font-size: 1.6rem; }
.mc-hero__badge b { display: block; color: var(--mc-ink); font-size: 1.05rem; }
.mc-hero__badge span { color: var(--mc-muted); font-size: .85rem; }

/* Полоса доверия под hero */
.mc-trust {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 5vw, 56px);
  padding-block: 26px;
  border-top: 1px solid var(--mc-border);
}
.mc-trust__item { display: flex; flex-direction: column; }
/* Модификатор: полоса цифр по центру, без верхней линии (секция «Наследие») */
.mc-trust--center { justify-content: center; text-align: center; border-top: 0; padding-block: 8px 0; }
.mc-trust--center .mc-trust__item { align-items: center; }
.mc-trust--center .mc-trust__label { max-width: 24ch; }
.mc-trust__num {
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--mc-primary);
  line-height: 1;
}
.mc-trust__label { color: var(--mc-muted); font-size: .95rem; margin-top: 6px; }

/* =============================================================================
   2. ПРЕИМУЩЕСТВА  (карточки с иконкой)
   ============================================================================= */
.mc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}
/* Модификатор: более узкие ячейки — 4 шага «под ключ» в один ряд на десктопе */
.mc-grid--tight { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.mc-card {
  background: var(--mc-bg);
  border: 1px solid var(--mc-border);
  border-radius: var(--mc-radius);
  padding: clamp(24px, 2.6vw, 34px);
  box-shadow: var(--mc-shadow);
  transition: transform .3s var(--mc-ease), box-shadow .3s var(--mc-ease),
              border-color .3s var(--mc-ease);
}
.mc-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--mc-shadow-lg);
  border-color: rgba(13, 110, 253, .35);
}
.mc-card__icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--mc-bg-soft), #dbe9ff);
  color: var(--mc-primary);
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.mc-card__title { font-family: "PT Sans", sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--mc-ink); margin: 0 0 10px; }
.mc-card__text { color: var(--mc-muted); font-size: .98rem; line-height: 1.65; margin: 0; }

/* =============================================================================
   3. ОПИСАНИЕ РЕШЕНИЯ (split)
   ============================================================================= */
.mc-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.mc-split--reverse .mc-split__media { order: -1; }
.mc-split__media img {
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: cover;
  display: block;
  border-radius: var(--mc-radius);
  box-shadow: var(--mc-shadow);
}
.mc-deflist { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 18px; }
.mc-deflist li { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start; }
.mc-deflist i {
  margin-top: 3px;
  color: var(--mc-primary);
  background: var(--mc-bg-soft);
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  flex: none;
}
.mc-deflist b { display: block; color: var(--mc-ink); font-family:"PT Sans",sans-serif; margin-bottom: 2px; }
.mc-deflist span { color: var(--mc-muted); line-height: 1.6; }

/* =============================================================================
   4. ТЕХНОЛОГИЧЕСКАЯ СХЕМА (placeholder)
   ============================================================================= */
.mc-scheme {
  border: 2px dashed #b9cde6;
  border-radius: var(--mc-radius);
  background:
    repeating-linear-gradient(45deg, transparent, transparent 18px, rgba(13,110,253,.03) 18px, rgba(13,110,253,.03) 36px),
    var(--mc-bg-soft);
  min-height: clamp(260px, 38vw, 440px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 24px;
}
.mc-scheme__icon { font-size: 2.6rem; color: var(--mc-primary); margin-bottom: 16px; }
.mc-scheme__title { font-family:"PT Sans",sans-serif; font-weight:700; font-size: 1.3rem; color: var(--mc-ink); margin: 0 0 8px; }
.mc-scheme__hint { color: var(--mc-muted); margin: 0; font-size: .95rem; }
.mc-scheme img { width: 100%; height: auto; display: block; border-radius: var(--mc-radius); }

/* =============================================================================
   5. СОСТАВ КОМПЛЕКСА (медиа-карточки)
   ============================================================================= */
.mc-media-card {
  background: var(--mc-bg);
  border: 1px solid var(--mc-border);
  border-radius: var(--mc-radius);
  overflow: hidden;
  box-shadow: var(--mc-shadow);
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--mc-ease), box-shadow .3s var(--mc-ease);
}
.mc-media-card:hover { transform: translateY(-8px); box-shadow: var(--mc-shadow-lg); }
.mc-media-card__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--mc-bg-alt); }
.mc-media-card__img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .5s var(--mc-ease);
}
.mc-media-card:hover .mc-media-card__img img { transform: scale(1.06); }
.mc-media-card__body { padding: 22px 24px 26px; }
.mc-media-card__body h3 { font-family:"PT Sans",sans-serif; font-weight:700; font-size:1.15rem; color: var(--mc-ink); margin: 0 0 8px; }
.mc-media-card__body p { color: var(--mc-muted); font-size: .95rem; line-height: 1.6; margin: 0; }

/* =============================================================================
   6. ТЕХНИЧЕСКИЕ ХАРАКТЕРИСТИКИ (таблица)
   ============================================================================= */
.mc-table-wrap {
  overflow-x: auto;
  border-radius: var(--mc-radius);
  border: 1px solid var(--mc-border);
  box-shadow: var(--mc-shadow);
  -webkit-overflow-scrolling: touch;
}
.mc-table { width: 100%; border-collapse: collapse; min-width: 560px; background: #fff; }
.mc-table caption {
  caption-side: bottom;
  text-align: left;
  color: var(--mc-muted);
  font-size: .85rem;
  padding: 14px 20px;
}
.mc-table th, .mc-table td { text-align: left; padding: 16px 22px; font-size: 1rem; }
.mc-table thead th {
  background: linear-gradient(135deg, var(--mc-ink), var(--mc-ink-2));
  color: #fff;
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  position: sticky;
  top: 0;
}
.mc-table tbody tr { border-top: 1px solid var(--mc-border); }
.mc-table tbody tr:nth-child(even) { background: var(--mc-bg-alt); }
.mc-table tbody th { font-weight: 700; color: var(--mc-ink); width: 42%; }
.mc-table tbody td { color: var(--mc-text); }
.mc-scroll-hint { display: none; color: var(--mc-muted); font-size: .85rem; margin-top: 10px; }

/* =============================================================================
   7. ПОЧЕМУ ВЫБИРАЮТ НАС
   ============================================================================= */
.mc-feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: clamp(22px, 2.4vw, 28px);
  background: #fff;
  border: 1px solid var(--mc-border);
  border-radius: var(--mc-radius);
  box-shadow: var(--mc-shadow);
  transition: transform .3s var(--mc-ease), box-shadow .3s var(--mc-ease);
}
.mc-feature:hover { transform: translateY(-6px); box-shadow: var(--mc-shadow-lg); }
.mc-feature__num {
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--mc-primary);
  background: var(--mc-bg-soft);
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 14px;
  flex: none;
}
.mc-feature h3 { font-family:"PT Sans",sans-serif; font-weight:700; font-size:1.15rem; color: var(--mc-ink); margin: 0 0 6px; }
.mc-feature p { color: var(--mc-muted); font-size: .95rem; line-height: 1.6; margin: 0; }

/* =============================================================================
   8. ГАЛЕРЕЯ (собственный слайдер + lightbox)
   ============================================================================= */
.mc-slider { position: relative; }
.mc-slider__viewport { overflow: hidden; border-radius: var(--mc-radius); }
.mc-slider__track {
  display: flex;
  gap: 0;
  transition: transform .5s var(--mc-ease);
  will-change: transform;
}
.mc-slide { flex: 0 0 100%; }
.mc-slide button {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: var(--mc-bg-alt);
  cursor: zoom-in;
}
.mc-slide img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.mc-slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--mc-ink);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--mc-shadow);
  display: grid; place-items: center;
  transition: background-color .2s, transform .2s, color .2s;
  z-index: 2;
}
.mc-slider__btn:hover { background: var(--mc-primary); color: #fff; }
.mc-slider__btn--prev { left: 16px; }
.mc-slider__btn--next { right: 16px; }
.mc-slider__dots { display: flex; justify-content: center; gap: 10px; margin-top: 20px; }
.mc-slider__dots button {
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 0;
  background: #c7d6e6;
  cursor: pointer;
  padding: 0;
  transition: background-color .2s, transform .2s;
}
.mc-slider__dots button[aria-current="true"] { background: var(--mc-primary); transform: scale(1.25); }

/* Lightbox */
.mc-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 35, .92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1080;
  padding: 24px;
}
.mc-lightbox.is-open { display: flex; }
.mc-lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.mc-lightbox__close, .mc-lightbox__nav {
  position: absolute;
  border: 0;
  background: rgba(255,255,255,.14);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  display: grid; place-items: center;
  transition: background-color .2s;
}
.mc-lightbox__close:hover, .mc-lightbox__nav:hover { background: rgba(255,255,255,.3); }
.mc-lightbox__close { top: 22px; right: 22px; width: 48px; height: 48px; font-size: 1.3rem; }
.mc-lightbox__nav { top: 50%; transform: translateY(-50%); width: 56px; height: 56px; font-size: 1.3rem; }
.mc-lightbox__nav--prev { left: 18px; }
.mc-lightbox__nav--next { right: 18px; }

/* =============================================================================
   9. FAQ (accordion)
   ============================================================================= */
.mc-acc { max-width: 880px; margin-inline: auto; display: grid; gap: 14px; }
.mc-acc__item {
  border: 1px solid var(--mc-border);
  border-radius: var(--mc-radius-sm);
  background: #fff;
  box-shadow: var(--mc-shadow);
  overflow: hidden;
}
.mc-acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 20px 22px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: "PT Sans", sans-serif;
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--mc-ink);
}
.mc-acc__btn i { color: var(--mc-primary); transition: transform .3s var(--mc-ease); flex: none; }
.mc-acc__btn[aria-expanded="true"] i { transform: rotate(180deg); }
.mc-acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s var(--mc-ease);
}
.mc-acc__panel > div { overflow: hidden; }
.mc-acc__item.is-open .mc-acc__panel { grid-template-rows: 1fr; }
.mc-acc__panel p { margin: 0; padding: 0 22px 22px; color: var(--mc-muted); line-height: 1.7; }

/* =============================================================================
   10. ФИНАЛЬНЫЙ CTA
   ============================================================================= */
.mc-cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--mc-ink-2) 0%, var(--mc-ink) 100%);
  color: #fff;
  text-align: center;
  border-radius: 0;
}
.mc-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 50% 0%, rgba(13,110,253,.35), transparent 60%);
  pointer-events: none;
}
.mc-cta__inner { position: relative; max-width: 760px; margin-inline: auto; }
.mc-cta h2 { font-family:"PT Sans",sans-serif; font-weight:700; font-size: clamp(1.6rem, 3.4vw, 2.5rem); margin: 0 0 16px; color:#fff; }
.mc-cta p { color: rgba(255,255,255,.82); font-size: 1.1rem; line-height: 1.6; margin: 0 0 30px; }
.mc-cta .mc-actions { justify-content: center; }

/* =============================================================================
   Анимации появления (управляются JS через IntersectionObserver)
   ============================================================================= */
.mc-reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--mc-ease), transform .7s var(--mc-ease); }
.mc-reveal.is-visible { opacity: 1; transform: none; }
.mc-reveal[data-delay="1"] { transition-delay: .08s; }
.mc-reveal[data-delay="2"] { transition-delay: .16s; }
.mc-reveal[data-delay="3"] { transition-delay: .24s; }
.mc-reveal[data-delay="4"] { transition-delay: .32s; }
.mc-reveal[data-delay="5"] { transition-delay: .4s; }

/* =============================================================================
   Адаптивность
   ============================================================================= */
@media (max-width: 992px) {
  .mc-hero__inner { grid-template-columns: 1fr; }
  .mc-hero__media { order: -1; }
  .mc-split { grid-template-columns: 1fr; }
  .mc-split--reverse .mc-split__media { order: 0; }
  .mc-split__media img { max-height: 380px; }
}

@media (max-width: 768px) {
  .mc-scroll-hint { display: block; }
  .mc-slider__btn { width: 44px; height: 44px; }
  .mc-hero__badge { left: 12px; }
}

@media (max-width: 480px) {
  .mc-actions { flex-direction: column; align-items: stretch; }
  .mc-btn { width: 100%; }
  .mc-feature { grid-template-columns: 1fr; }
  .mc-feature__num { margin-bottom: 4px; }
  .mc-hero__badge { display: none; }
}

/* Уважение к настройкам пользователя: отключаем анимации */
@media (prefers-reduced-motion: reduce) {
  .mc-reveal { opacity: 1; transform: none; transition: none; }
  .mc-slider__track { transition: none; }
  * { scroll-behavior: auto; }
}