/* ==========================================================================
   calc-async-sections.css
   Современный технический стиль для async-блоков страницы калькулятора.
   Поддержка light / white / dark / warm / mint тем — все цвета берутся из
   --theme-* CSS-переменных (см. style-switcher.css). Дополнительные оттенки
   выводятся через color-mix, чтобы не хардкодить серые/светлые цвета.
   ========================================================================== */

.calc-async-sections {
  --cas-radius: 18px;
  --cas-radius-sm: 12px;

  --cas-accent:   var(--theme-accent,   #0f4c81);
  --cas-accent-2: var(--theme-accent-2, #1a73b8);
  --cas-accent-3: var(--accent3,        #f59e0b);

  --cas-text:     var(--theme-text,     #17222d);
  --cas-muted:    var(--theme-muted,    #6b7a8d);

  --cas-card:     var(--theme-card,        #ffffff);
  --cas-card-top: var(--theme-card-strong, #ffffff);
  --cas-border:   var(--theme-border,      rgba(15, 76, 129, .1));
  --cas-shadow-1: 0 10px 30px var(--theme-shadow, rgba(18, 35, 53, .08));
  --cas-shadow-2: 0 18px 44px color-mix(in srgb, var(--theme-shadow, rgba(18, 35, 53, .12)) 100%, transparent);

  /* мягкая внутренняя заливка низа карточки — небольшой сдвиг к тексту */
  --cas-card-bot: color-mix(in srgb, var(--cas-card-top) 94%, var(--cas-text) 6%);
  /* оттенок accent для фоновых подсветок (кнопки, бэйджи, иконки) */
  --cas-accent-soft:     color-mix(in srgb, var(--cas-accent-2) 14%, transparent);
  --cas-accent-soft-hi:  color-mix(in srgb, var(--cas-accent-2) 26%, transparent);
  --cas-accent-edge:     color-mix(in srgb, var(--cas-accent-2) 40%, transparent);

  --cas-gap: 22px;

  display: grid;
  /* 2-колоночная сетка блоков. minmax(0,1fr) обязателен — без него
     длинные карусели (.home-shop-rss с 8 карточками) раздвигают родителя
     и ломают ширину всей страницы-калькулятора. */
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cas-gap);
  margin: 28px 0 0;
  padding: 0 0 28px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  overflow: visible;
}
/* Полноширинные блоки: Product (галерея), GetShop (карусель-сетка) и CalcHelpers.
   Для GetShop используем и #id, и класс, потому что hx-swap="outerHTML"
   заменяет исходный <div id="GetShop"> на <section> с тем же id, но селектор
   по классу надёжнее на случай ре-рендера. */
.calc-async-sections > #GetProduct,
.calc-async-sections > #GetShop,
.calc-async-sections > #CalcHelpers,
.calc-async-sections > .calc-async-shop-section {
  grid-column: 1 / -1;
}
@media (max-width: 1024px) {
  .calc-async-sections {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Страховка: любой прямой ребёнок не должен расти шире родителя */
.calc-async-sections > * { min-width: 0; max-width: 100%; }
.calc-async-sections .home-shop-rss,
.calc-async-sections .calc-async-product-grid,
.calc-async-sections .calc-async-seealso-grid {
  max-width: 100%;
  min-width: 0;
}

/* Полиграфическая продукция: на странице калькулятора убираем горизонтальный
   скроллер и делаем ровную 3-колоночную сетку во всю ширину. */
.calc-async-sections .home-shop-rss {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  overflow: visible;
  padding: 0;
  scroll-snap-type: none;
}
.calc-async-sections .home-shop-col {
  flex: 1 1 0 !important;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
.calc-async-sections .home-shop-card {
  height: auto;
  min-height: 0;
}
@media (max-width: 768px) {
  .calc-async-sections .home-shop-rss {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ── Оболочка любого async-блока ──────────────────────────────────────────── */
.calc-async-shell {
  min-height: 0;
  animation: calcAsyncFadeIn .35s ease both;
}
.calc-async-shell:empty {
  display: none;
}

@keyframes calcAsyncFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Индикатор загрузки (пока HTMX ещё не заменил содержимое) */
.calc-async-shell:not(:has(section))::before {
  content: "";
  display: block;
  height: 4px;
  width: 120px;
  margin: 18px auto;
  border-radius: 4px;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--theme-accent-2, #1a73b8) 8%, transparent) 0%,
    color-mix(in srgb, var(--theme-accent-2, #1a73b8) 55%, transparent) 50%,
    color-mix(in srgb, var(--theme-accent-2, #1a73b8) 8%, transparent) 100%);
  background-size: 200% 100%;
  animation: calcAsyncShimmer 1.2s linear infinite;
}
@keyframes calcAsyncShimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── Карточка-секция — общий вид ──────────────────────────────────────────── */
.calc-async-faq,
.calc-async-good,
.calc-async-product,
.calc-async-seealso,
.calc-async-adv {
  position: relative;
  padding: 28px 30px;
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius);
  background:
    radial-gradient(900px 260px at 0% 0%, var(--cas-accent-soft), transparent 55%),
    radial-gradient(600px 220px at 100% 100%, color-mix(in srgb, var(--cas-accent-3) 8%, transparent), transparent 60%),
    linear-gradient(180deg, var(--cas-card-top) 0%, var(--cas-card-bot) 100%);
  backdrop-filter: blur(10px);
  box-shadow:
    var(--cas-shadow-1),
    inset 0 1px 0 color-mix(in srgb, #ffffff 55%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--cas-accent-2) 5%, transparent);
  color: var(--cas-text);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.calc-async-faq:hover,
.calc-async-good:hover,
.calc-async-product:hover,
.calc-async-seealso:hover,
.calc-async-adv:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--cas-accent-2) 22%, var(--cas-border));
  box-shadow:
    var(--cas-shadow-2),
    inset 0 1px 0 color-mix(in srgb, #ffffff 55%, transparent);
}

/* Верхняя акцентная полоса (вместо левой) — технично и подходит 2-col сетке */
.calc-async-faq::before,
.calc-async-good::before,
.calc-async-product::before,
.calc-async-seealso::before,
.calc-async-adv::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cas-accent) 0%, var(--cas-accent-2) 55%, var(--cas-accent-3) 100%);
  opacity: .9;
}

/* Заголовок секции */
.calc-async-title {
  margin: 0 0 20px;
  padding: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--cas-text);
  text-transform: uppercase;
  border-bottom: 1px solid var(--cas-border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.calc-async-title::before {
  content: "";
  width: 28px; height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cas-accent), var(--cas-accent-2));
  flex: 0 0 28px;
}

/* ── Единое ограничение высоты 600px + внутренний скролл содержимого ──────
   Секция ограничена 600px. Заголовок (и kicker у Helpers/Shop) остаётся
   прикреплённым к верху — скроллится только тело блока внутри контейнера,
   чтобы полоса прокрутки не ломала внешние отступы и акцентную полосу. */
.calc-async-faq,
.calc-async-adv,
.calc-async-product,
.calc-async-seealso,
.calc-async-helpers,
.calc-async-shop-section {
  display: flex;
  flex-direction: column;
  max-height: 600px;
}
/* Good: внешняя flex-колонка + внутренний 2-col grid. Контент-строка
   забирает оставшуюся высоту, а .calc-async-good-body скроллится внутри. */
.calc-async-good {
  display: flex;
  flex-direction: column;
  max-height: 600px;
}
.calc-async-good > .calc-async-title {
  flex: 0 0 auto;
}
.calc-async-good .calc-async-good-content {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.calc-async-good .calc-async-good-image-link {
  align-self: start;
}
.calc-async-good .calc-async-good-body {
  min-height: 0;
  max-height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 12px;
  padding-bottom: 20px;
}

/* Шапка в каждом блоке — не сжимается */
.calc-async-faq > .calc-async-title,
.calc-async-adv > .calc-async-title,
.calc-async-product > .calc-async-title,
.calc-async-seealso > .calc-async-title,
.calc-async-helpers > .calc-async-helpers-head,
.calc-async-shop-section > .home-section-head {
  flex: 0 0 auto;
}

/* Тело блока — забирает оставшуюся высоту и даёт вертикальный скролл.
   padding-right/bottom создают воздух между содержимым и полосой прокрутки
   и гарантируют, что последний элемент не «слипается» с нижней кромкой. */
.calc-async-faq > .calc-async-faq-list,
.calc-async-adv > .calc-async-chart,
.calc-async-adv > .calc-async-chart-empty,
.calc-async-product > .calc-async-product-grid,
.calc-async-seealso > .calc-async-seealso-grid,
.calc-async-helpers > .calc-async-helpers-grid,
.calc-async-shop-section > .row {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 12px;
  padding-bottom: 20px;
  scroll-padding-right: 12px;
}

/* Тонкий брендовый scrollbar — применяется к любому скроллящемуся внутри */
.calc-async-good,
.calc-async-faq > .calc-async-faq-list,
.calc-async-adv > .calc-async-chart,
.calc-async-adv > .calc-async-chart-empty,
.calc-async-product > .calc-async-product-grid,
.calc-async-seealso > .calc-async-seealso-grid,
.calc-async-helpers > .calc-async-helpers-grid,
.calc-async-shop-section > .row {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--cas-accent-2) 40%, transparent) transparent;
}
.calc-async-good::-webkit-scrollbar,
.calc-async-faq > .calc-async-faq-list::-webkit-scrollbar,
.calc-async-adv > .calc-async-chart::-webkit-scrollbar,
.calc-async-adv > .calc-async-chart-empty::-webkit-scrollbar,
.calc-async-product > .calc-async-product-grid::-webkit-scrollbar,
.calc-async-seealso > .calc-async-seealso-grid::-webkit-scrollbar,
.calc-async-helpers > .calc-async-helpers-grid::-webkit-scrollbar,
.calc-async-shop-section > .row::-webkit-scrollbar {
  width: 8px;
}
.calc-async-good::-webkit-scrollbar-thumb,
.calc-async-faq > .calc-async-faq-list::-webkit-scrollbar-thumb,
.calc-async-adv > .calc-async-chart::-webkit-scrollbar-thumb,
.calc-async-adv > .calc-async-chart-empty::-webkit-scrollbar-thumb,
.calc-async-product > .calc-async-product-grid::-webkit-scrollbar-thumb,
.calc-async-seealso > .calc-async-seealso-grid::-webkit-scrollbar-thumb,
.calc-async-helpers > .calc-async-helpers-grid::-webkit-scrollbar-thumb,
.calc-async-shop-section > .row::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--cas-accent-2) 32%, transparent);
  border-radius: 999px;
}
.calc-async-good::-webkit-scrollbar-thumb:hover,
.calc-async-faq > .calc-async-faq-list::-webkit-scrollbar-thumb:hover,
.calc-async-adv > .calc-async-chart::-webkit-scrollbar-thumb:hover,
.calc-async-adv > .calc-async-chart-empty::-webkit-scrollbar-thumb:hover,
.calc-async-product > .calc-async-product-grid::-webkit-scrollbar-thumb:hover,
.calc-async-seealso > .calc-async-seealso-grid::-webkit-scrollbar-thumb:hover,
.calc-async-helpers > .calc-async-helpers-grid::-webkit-scrollbar-thumb:hover,
.calc-async-shop-section > .row::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--cas-accent-2) 55%, transparent);
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.calc-async-faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-async-faq-item {
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius-sm);
  background: var(--cas-card-top);
  color: var(--cas-text);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.calc-async-faq-item:hover {
  border-color: var(--cas-accent-edge);
  box-shadow: 0 8px 22px var(--theme-shadow, rgba(18, 35, 53, .08));
}
.calc-async-faq-item[open] {
  border-color: var(--cas-accent-2);
  box-shadow: 0 10px 26px var(--theme-shadow, rgba(18, 35, 53, .1));
}
.calc-async-faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 48px 14px 18px;
  font-weight: 600;
  font-size: 15px;
  color: var(--cas-text);
  position: relative;
  user-select: none;
}
.calc-async-faq-item > summary::-webkit-details-marker { display: none; }
.calc-async-faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cas-accent-soft);
  color: var(--cas-accent-2);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.calc-async-faq-item[open] > summary::after {
  content: "−";
  background: var(--cas-accent-2);
  color: var(--cas-card-top);
  transform: translateY(-50%) rotate(180deg);
}
.calc-async-faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--cas-text);
  line-height: 1.6;
}
.calc-async-faq-answer a { color: var(--cas-accent-2); }
.calc-async-faq-answer img { max-width: 100%; height: auto; }

/* ── GetGood (материал) — раскладка задана выше через flex-колонку +
   внутренний 2-col grid .calc-async-good-content. */
.calc-async-good-image-link {
  display: block;
  border-radius: var(--cas-radius-sm);
  overflow: hidden;
  border: 1px solid var(--cas-border);
  background: var(--cas-card-top);
  transition: transform .25s ease, box-shadow .25s ease;
}
.calc-async-good-image-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--cas-shadow-2);
}
.calc-async-good-image-link img {
  display: block;
  width: 100%;
  height: auto;
}
.calc-async-good-desc {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--cas-text);
  line-height: 1.55;
  white-space: pre-line;
}
.calc-async-good .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--cas-accent-2), var(--cas-accent));
  color: #ffffff;
  font-weight: 600;
  font-size: 14px;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
  border: 0;
}
.calc-async-good .btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--cas-accent) 35%, transparent);
}

/* ── Product (наши работы, галерея) ──────────────────────────────────────── */
.calc-async-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
}
.calc-async-product-card {
  position: relative;
  display: block;
  border-radius: var(--cas-radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: color-mix(in srgb, var(--cas-card-top) 85%, var(--cas-text) 15%);
  border: 1px solid var(--cas-border);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.calc-async-product-card:hover {
  transform: translateY(-3px);
  border-color: var(--cas-accent-edge);
  box-shadow: var(--cas-shadow-2);
}
.calc-async-product-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease, filter .3s ease;
}
.calc-async-product-card:hover img {
  transform: scale(1.06);
  filter: saturate(1.1);
}
.calc-async-product-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px 10px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 36, .78) 100%);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── SeeAlso (смотрите также) ────────────────────────────────────────────── */
.calc-async-seealso-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.calc-async-seealso-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 128px;
  padding: 16px 18px;
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius-sm);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--cas-card-top) 98%, transparent),
      color-mix(in srgb, var(--cas-card-bot) 98%, transparent));
  color: var(--cas-text);
  text-align: left;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
  position: relative;
  overflow: hidden;
}
.calc-async-seealso-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cas-accent-2), var(--cas-accent));
  opacity: 0;
  transition: opacity .22s ease;
}
.calc-async-seealso-card:hover {
  transform: translateX(3px);
  border-color: var(--cas-accent-edge);
  box-shadow:
    0 14px 34px color-mix(in srgb, var(--cas-accent) 14%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 45%, transparent);
}
.calc-async-seealso-card:hover::before { opacity: 1; }

.calc-async-seealso-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px; height: 96px;
  border-radius: 20px;
  background: var(--cas-accent-soft);
  color: var(--cas-accent-2);
  transition: transform .3s cubic-bezier(.22, .61, .36, 1),
              background .3s ease, color .3s ease, box-shadow .3s ease;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.calc-async-seealso-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 25%, color-mix(in srgb, #ffffff 40%, transparent), transparent 55%);
  pointer-events: none;
}
.calc-async-seealso-icon svg {
  width: 72px;
  height: 72px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  position: relative;
  z-index: 1;
}
.calc-async-seealso-card:hover .calc-async-seealso-icon {
  background: linear-gradient(135deg, var(--cas-accent-2) 0%, var(--cas-accent) 100%);
  color: #ffffff;
  transform: scale(1.05) rotate(-2deg);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--cas-accent) 30%, transparent);
}
.calc-async-seealso-body { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.calc-async-seealso-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--cas-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.calc-async-seealso-subtitle {
  font-size: 12px;
  color: var(--cas-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.calc-async-seealso-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  margin-top: 2px;
}
.calc-async-seealso-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--cas-muted);
  background: color-mix(in srgb, var(--cas-border) 85%, transparent);
  border-radius: 999px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.calc-async-seealso-pill--locale {
  color: var(--cas-accent-2);
  background: var(--cas-accent-soft);
  text-transform: uppercase;
}
.calc-async-seealso-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  gap: 8px;
}
.calc-async-seealso-price {
  font-size: 14px;
  font-weight: 800;
  color: var(--cas-text);
}
.calc-async-seealso-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--cas-accent-2);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-left: auto;
}
.calc-async-seealso-cta svg {
  width: 16px; height: 16px;
  transition: transform .22s ease;
}
.calc-async-seealso-card:hover .calc-async-seealso-cta svg {
  transform: translateX(3px);
}
html[data-theme="dark"] .calc-async-seealso-icon {
  background:
    radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--theme-accent-2) 30%, transparent), transparent 70%),
    color-mix(in srgb, var(--theme-accent-2) 18%, transparent);
  color: var(--theme-accent-2);
}
html[data-theme="dark"] .calc-async-seealso-card:hover .calc-async-seealso-icon {
  background: linear-gradient(180deg, #2f76b0, #225782);
  color: #f8fbff;
}
html[data-theme="dark"] .calc-async-seealso-pill {
  color: #b4c3d4;
  background: rgba(148, 163, 184, .14);
}
html[data-theme="dark"] .calc-async-seealso-pill--locale {
  color: var(--theme-accent-2);
  background: color-mix(in srgb, var(--theme-accent-2) 18%, transparent);
}

/* ── CalcAdv: график «Динамика стоимости» ────────────────────────────────── */
.calc-async-chart {
  margin: 0 0 22px;
  padding: 18px 20px 16px;
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius-sm);
  background: linear-gradient(180deg, var(--cas-card-top) 0%, var(--cas-card-bot) 100%);
}
.calc-async-chart-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.calc-async-chart-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cas-text);
  text-transform: uppercase;
  letter-spacing: .02em;
}
.calc-async-chart-kicker::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cas-accent-2);
  box-shadow: 0 0 0 3px var(--cas-accent-soft);
}
.calc-async-chart-legend {
  font-size: 12px;
  color: var(--cas-muted);
}
.calc-async-chart-grid {
  display: grid;
  gap: 6px;
}
.calc-async-chart-row {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 90px;
  align-items: center;
  gap: 12px;
  padding: 6px 8px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--cas-text);
  transition: background .18s ease;
}
.calc-async-chart-row-head {
  font-size: 11px;
  font-weight: 700;
  color: var(--cas-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding-bottom: 2px;
  border-bottom: 1px dashed var(--cas-border);
  border-radius: 0;
}
.calc-async-chart-row.is-current {
  background: var(--cas-accent-soft);
  outline: 1px solid color-mix(in srgb, var(--cas-accent-2) 40%, transparent);
}
.calc-async-chart-amount {
  font-weight: 600;
}
.calc-async-chart-bar-cell { min-width: 0; }
.calc-async-chart-bar {
  position: relative;
  display: block;
  height: 24px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--cas-accent-2) 8%, transparent);
  overflow: hidden;
}
.calc-async-chart-bar-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--cas-accent) 0%, var(--cas-accent-2) 100%);
  border-radius: 6px;
  transition: width .4s ease;
}
.calc-async-chart-row.is-current .calc-async-chart-bar-fill {
  background: linear-gradient(90deg, #cb0707 0%, #ef4444 100%);
}
.calc-async-chart-bar-label {
  position: relative;
  z-index: 1;
  display: block;
  padding: 0 10px;
  line-height: 24px;
  font-weight: 600;
  font-size: 12px;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .35);
  mix-blend-mode: normal;
}
.calc-async-chart-total {
  text-align: right;
  font-weight: 600;
  color: var(--cas-text);
}
.calc-async-chart-note {
  margin-top: 10px;
  font-size: 11px;
  color: var(--cas-muted);
  font-style: italic;
}
html[data-theme="dark"] .calc-async-chart {
  background: linear-gradient(180deg, rgba(24, 39, 57, .98), rgba(17, 29, 44, .98));
  border-color: rgba(148, 163, 184, .18);
}
html[data-theme="dark"] .calc-async-chart-row.is-current {
  background: rgba(203, 7, 7, .14);
  outline-color: rgba(239, 68, 68, .55);
}

/* ── Chart empty-state (когда ещё не было расчёта) ──────────────────────── */
.calc-async-chart-empty {
  padding: 18px 20px;
  border: 1px dashed var(--cas-border);
  border-radius: var(--cas-radius-sm);
  background: color-mix(in srgb, var(--cas-accent-2) 5%, transparent);
  color: var(--cas-muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}

/* ── CalcHelpers: отдельный full-width блок полезных материалов ──────────── */
.calc-async-helpers {
  position: relative;
  padding: 28px 30px;
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius);
  background:
    radial-gradient(900px 220px at 100% 0%, var(--cas-accent-soft), transparent 55%),
    radial-gradient(700px 200px at 0% 100%, color-mix(in srgb, #f59e0b 6%, transparent), transparent 60%),
    linear-gradient(180deg, var(--cas-card-top) 0%, var(--cas-card-bot) 100%);
  box-shadow: var(--cas-shadow-1);
  overflow: hidden;
}
.calc-async-helpers::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cas-accent) 0%, var(--cas-accent-2) 55%, #f59e0b 100%);
  opacity: .9;
}
.calc-async-helpers-head {
  display: grid;
  gap: 6px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--cas-border);
}
.calc-async-helpers-head h3 {
  margin: 0;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cas-text);
}
.calc-async-helpers-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  min-height: 28px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--cas-accent-soft);
  color: var(--cas-accent-2);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.calc-async-helpers-kicker svg { width: 14px; height: 14px; }

.calc-async-helpers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.calc-async-helper-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 24px;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--cas-border);
  border-radius: var(--cas-radius-sm);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--cas-card-top) 98%, transparent),
      color-mix(in srgb, var(--cas-card-bot) 98%, transparent));
  color: var(--cas-text);
  text-decoration: none;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  position: relative;
  overflow: hidden;
}
.calc-async-helper-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cas-accent-2), var(--cas-accent));
  opacity: 0;
  transition: opacity .22s ease;
}
.calc-async-helper-card:hover {
  transform: translateY(-3px);
  border-color: var(--cas-accent-edge);
  box-shadow:
    0 16px 36px color-mix(in srgb, var(--cas-accent) 14%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 45%, transparent);
}
.calc-async-helper-card:hover::before { opacity: 1; }

.calc-async-helper-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--cas-accent-soft);
  color: var(--cas-accent-2);
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
.calc-async-helper-icon svg { width: 38px; height: 38px; }
.calc-async-helper-icon--amber {
  background: color-mix(in srgb, #f59e0b 14%, transparent);
  color: #c17800;
}
.calc-async-helper-icon--emerald {
  background: color-mix(in srgb, #10b981 14%, transparent);
  color: #059669;
}
.calc-async-helper-card:hover .calc-async-helper-icon {
  transform: scale(1.06) rotate(-2deg);
}

.calc-async-helper-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.calc-async-helper-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--cas-text);
  line-height: 1.3;
  letter-spacing: -.01em;
}
.calc-async-helper-desc {
  font-size: 12.5px;
  color: var(--cas-muted);
  line-height: 1.45;
}
.calc-async-helper-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cas-accent-2);
  transition: transform .22s ease;
}
.calc-async-helper-arrow svg { width: 20px; height: 20px; }
.calc-async-helper-card:hover .calc-async-helper-arrow {
  transform: translateX(4px);
}

html[data-theme="dark"] .calc-async-helpers {
  background:
    radial-gradient(900px 220px at 100% 0%, color-mix(in srgb, var(--theme-accent-2) 14%, transparent), transparent 55%),
    linear-gradient(180deg, rgba(21, 34, 50, .98), rgba(15, 25, 38, .98));
  border-color: rgba(148, 163, 184, .18);
}
html[data-theme="dark"] .calc-async-helper-card {
  background: linear-gradient(180deg, rgba(24, 39, 57, .98), rgba(17, 29, 44, .98));
  border-color: rgba(148, 163, 184, .18);
}
html[data-theme="dark"] .calc-async-helper-icon--amber {
  background: color-mix(in srgb, #f59e0b 22%, transparent);
  color: #fbbf24;
}
html[data-theme="dark"] .calc-async-helper-icon--emerald {
  background: color-mix(in srgb, #10b981 22%, transparent);
  color: #34d399;
}

@media (max-width: 900px) {
  .calc-async-helpers-grid {
    grid-template-columns: 1fr;
  }
}

/* ── CalcAdv (подсобные ссылки) ──────────────────────────────────────────── */
.calc-async-adv-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
/* Глобальный style-switcher.css форсит `color:#fff !important` на всех .btn
   при наличии data-theme. Поэтому здесь используем совпадающий префикс
   html[data-theme] и !important, чтобы перебить только в нашем блоке. */
html[data-theme] .calc-async-adv-body .btn,
html[data-theme] .calc-async-adv-body a.btn,
.calc-async-adv-body .btn,
.calc-async-adv-body a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 16px;
  border: 1px solid color-mix(in srgb, var(--cas-border) 60%, var(--cas-accent-2) 40%);
  border-radius: 12px;
  background: var(--cas-card-top) !important;
  color: var(--cas-accent) !important;
  font-weight: 600;
  font-size: 13.5px;
  text-align: center;
  text-transform: none;
  letter-spacing: .01em;
  box-shadow: none;
  transition: transform .18s ease, box-shadow .18s ease,
              background .18s ease, color .18s ease, border-color .18s ease;
}
.calc-async-adv-body a.btn::before {
  content: "›";
  margin-right: 10px;
  color: var(--cas-accent-2);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
  transition: transform .18s ease, color .18s ease;
}
html[data-theme] .calc-async-adv-body .btn:hover,
html[data-theme] .calc-async-adv-body a.btn:hover,
.calc-async-adv-body .btn:hover,
.calc-async-adv-body a.btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, var(--cas-accent-2), var(--cas-accent)) !important;
  color: #ffffff !important;
  border-color: transparent;
  box-shadow: 0 14px 30px color-mix(in srgb, var(--cas-accent) 32%, transparent);
}
.calc-async-adv-body a.btn:hover::before {
  color: #ffffff;
  transform: translateX(3px);
}

/* ── Тёмная тема: усиленные тени и адаптация контраста ───────────────────── */
html[data-theme="dark"] .calc-async-sections {
  --cas-shadow-1: 0 10px 30px rgba(2, 6, 23, .45);
  --cas-shadow-2: 0 18px 44px rgba(2, 6, 23, .55);
}
html[data-theme="dark"] .calc-async-faq,
html[data-theme="dark"] .calc-async-good,
html[data-theme="dark"] .calc-async-product,
html[data-theme="dark"] .calc-async-seealso,
html[data-theme="dark"] .calc-async-adv {
  background:
    radial-gradient(1200px 200px at -10% -40%, color-mix(in srgb, var(--theme-accent-2) 12%, transparent), transparent 60%),
    linear-gradient(180deg, rgba(21, 34, 50, .98), rgba(15, 25, 38, .98));
  border-color: rgba(148, 163, 184, .16);
}
html[data-theme="dark"] .calc-async-faq-item,
html[data-theme="dark"] .calc-async-seealso-card,
html[data-theme="dark"] .calc-async-good-image-link,
html[data-theme="dark"] .calc-async-adv-body a.btn {
  background: linear-gradient(180deg, rgba(24, 39, 57, .98), rgba(17, 29, 44, .98));
  border-color: rgba(148, 163, 184, .18);
  color: var(--theme-text);
}
html[data-theme="dark"] .calc-async-faq-item:hover,
html[data-theme="dark"] .calc-async-seealso-card:hover,
html[data-theme="dark"] .calc-async-adv-body a.btn:hover {
  border-color: color-mix(in srgb, var(--theme-accent-2) 45%, transparent);
}
html[data-theme="dark"] .calc-async-adv-body a.btn {
  color: var(--theme-text);
}
html[data-theme="dark"] .calc-async-adv-body a.btn::before {
  color: var(--theme-accent-2);
}
html[data-theme="dark"] .calc-async-adv-body a.btn:hover {
  background: linear-gradient(180deg, #2f76b0, #225782);
  color: #f8fbff;
  border-color: transparent;
}
html[data-theme="dark"] .calc-async-good .btn {
  background: linear-gradient(180deg, #2f76b0, #225782);
  color: #f8fbff;
}
html[data-theme="dark"] .calc-async-faq-item[open] > summary::after {
  background: var(--theme-accent-2);
  color: #0c1723;
}

/* ── Мобильная адаптация ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .calc-async-sections {
    --cas-gap: 14px;
    margin-top: 16px;
  }
  .calc-async-faq,
  .calc-async-good,
  .calc-async-product,
  .calc-async-seealso,
  .calc-async-adv {
    padding: 20px 18px;
    border-radius: 14px;
  }
  .calc-async-title {
    font-size: 15px;
    margin-bottom: 14px;
    padding-bottom: 10px;
  }
  .calc-async-good {
    max-height: none;
  }
  .calc-async-good .calc-async-good-content {
    grid-template-columns: 1fr;
  }
  .calc-async-good .calc-async-good-body {
    max-height: none;
    overflow-y: visible;
    padding-right: 0;
  }
  .calc-async-good-image-link {
    max-width: 220px;
  }
  .calc-async-product {
    max-height: none;
  }
  .calc-async-product > .calc-async-product-grid {
    overflow-y: visible;
    padding-right: 0;
  }
  .calc-async-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .calc-async-product-card {
    aspect-ratio: 1 / 1;
    min-height: 0;
  }
  .calc-async-seealso-grid { gap: 10px; }
  .calc-async-seealso-card { grid-template-columns: 72px minmax(0, 1fr); gap: 14px; padding: 14px; }
  .calc-async-seealso-icon { width: 72px; height: 72px; border-radius: 16px; }
  .calc-async-seealso-icon svg { width: 52px; height: 52px; stroke-width: 1.6; }
  .calc-async-seealso-title { font-size: 13px; }
  .calc-async-seealso-subtitle { font-size: 11.5px; }
  .calc-async-faq-item > summary {
    padding: 12px 42px 12px 14px;
    font-size: 14px;
  }
  .calc-async-adv-body {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .calc-async-adv-body a.btn {
    padding: 11px 12px;
    font-size: 12.5px;
  }

  /* На мобильном убираем внутренний скролл — контент раскрывается полностью */
  .calc-async-faq,
  .calc-async-adv,
  .calc-async-seealso,
  .calc-async-helpers,
  .calc-async-shop-section {
    max-height: none;
  }

  .calc-async-faq > .calc-async-faq-list,
  .calc-async-adv > .calc-async-chart,
  .calc-async-adv > .calc-async-chart-empty,
  .calc-async-seealso > .calc-async-seealso-grid,
  .calc-async-helpers > .calc-async-helpers-grid,
  .calc-async-shop-section > .row {
    overflow-y: visible;
    max-height: none;
    padding-right: 0;
  }
}