/* ==========================================================================
   БАРСУК-СИТРАК · TASKS.CSS
   Страница подбора техники под задачи: логика выбора, секции, таблицы, фото
   ========================================================================== */

/* --------------------------------------------------------------------------
   Хедер страницы задач
   -------------------------------------------------------------------------- */
.tasks-page-header {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
}

.tasks-header-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .tasks-header-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: flex-end;
    gap: 3.5rem;
  }
}

.tasks-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

.tasks-eyebrow-accent {
  display: inline-block;
  width: 24px;
  height: 2px;
  background-color: var(--color-accent);
}

.tasks-title {
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-text);
  margin-bottom: 0;
  text-transform: lowercase;
}

.tasks-lead {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.6;
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Навигация по разделам задач
   -------------------------------------------------------------------------- */
.tasks-jump-bar {
  position: sticky;
  top: 76px;
  z-index: 20;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0.75rem 0;
}

.tasks-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tasks-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.tasks-jump-link:hover {
  border-color: var(--color-border);
  color: var(--color-accent);
}

.tasks-jump-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Секции задач (Магистраль / Стройка / Электро)
   -------------------------------------------------------------------------- */
.task-section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--color-border-light);
  scroll-margin-top: 130px;
}

.task-section:last-of-type {
  border-bottom: none;
}

.task-section-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.task-meta-tag-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.task-large-num {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.05em;
}

.task-category-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

.task-heading {
  font-size: clamp(1.85rem, 3.8vw, 3rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-text);
  text-transform: lowercase;
}

/* Двухколоночный макет раздела */
.task-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem);
}

@media (min-width: 1024px) {
  .task-layout-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* Левая колонка: логика выбора и разбор */
.task-content-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.logic-block {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.logic-block-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.logic-block-text {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-secondary);
}

.logic-points-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.logic-point-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--color-border-light);
  transition: border-color var(--transition-fast);
}

.logic-point-item:hover {
  border-left-color: var(--color-accent);
}

.point-item-term {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.point-item-desc {
  font-size: 0.975rem;
  line-height: 1.55;
  color: var(--color-secondary);
}

/* Правая колонка: медиа и рекомендуемые модели */
.task-aside-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.task-media-card {
  border: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
}

.task-media-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: #1a1a1a;
}

.task-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.task-media-caption {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-secondary);
  border-top: 1px solid var(--color-border-light);
  background-color: var(--color-bg-alt);
}

/* Рекомендуемые модели в секции */
.recommended-models-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.recommended-block-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

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

.recommended-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.recommended-card:hover {
  border-color: var(--color-border);
  background-color: var(--color-bg-alt);
}

.recommended-card-thumb {
  width: 90px;
  height: 60px;
  flex-shrink: 0;
  overflow: hidden;
  background-color: #1a1a1a;
}

.recommended-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recommended-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex-grow: 1;
  min-width: 0;
}

.recommended-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recommended-card-specs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-secondary);
}

.recommended-card-price {
  font-size: 0.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  white-space: nowrap;
}

.recommended-card-arrow {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.recommended-card:hover .recommended-card-arrow {
  color: var(--color-accent);
  transform: translateX(3px);
}

/* Таблицы сравнения характеристик */
.task-specs-table-wrap {
  margin-top: 1.5rem;
  border: 1px solid var(--color-border-light);
}

.task-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.task-specs-table th,
.task-specs-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.task-specs-table th {
  background-color: var(--color-bg-alt);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-secondary);
  font-weight: 600;
}

.task-specs-table tr:last-child td {
  border-bottom: none;
}

.task-specs-table td.col-val {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Итоговая матрица выбора шасси и CTA
   -------------------------------------------------------------------------- */
.tasks-matrix-section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 7.5rem);
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
}

.matrix-header {
  margin-bottom: 2.5rem;
  max-width: 820px;
}

.matrix-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: var(--letter-spacing-heading);
  margin-bottom: 1rem;
  text-transform: lowercase;
}

.matrix-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-secondary);
}

.matrix-table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  margin-bottom: 3.5rem;
}

.matrix-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.matrix-table th,
.matrix-table td {
  padding: 1.15rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  border-right: 1px solid var(--color-border-light);
  vertical-align: top;
}

.matrix-table th:last-child,
.matrix-table td:last-child {
  border-right: none;
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

.matrix-table th {
  background-color: var(--color-bg-dark);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.matrix-formula-name {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.matrix-formula-type {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-secondary);
}

/* Финальный баннер аудита */
.tasks-cta-box {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--color-border-dark);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .tasks-cta-box {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: center;
  }
}

.tasks-cta-title {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: var(--letter-spacing-heading);
  color: #ffffff;
  margin-bottom: 1rem;
  text-transform: lowercase;
}

.tasks-cta-text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-secondary-light);
}

.tasks-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 480px) {
  .tasks-cta-actions {
    flex-direction: row;
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   Отключение анимаций при prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .tasks-jump-bar {
    position: static;
  }
  .task-section {
    scroll-margin-top: 20px;
  }
  .recommended-card {
    transition: none !important;
  }
  .recommended-card-arrow {
    transition: none !important;
  }
}