/* ========================================
   КОМПОНЕНТЫ ДИЗАЙНА
   Готовые блоки для единообразного использования
   ======================================== */

/* ========================================
   КАРТОЧКИ УСЛУГ
   ======================================== */
.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: all var(--transition-fast);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

.service-card__image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.service-card__content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: var(--font-size-h4);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.service-card__description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.service-card__button {
  align-self: flex-start;
  margin-top: auto;
}

/* ========================================
   КАРТОЧКИ ТОВАРОВ
   ======================================== */
.product-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: all var(--transition-fast);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.product-card__image {
  width: 100%;
  height: 250px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.product-card__badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-accent);
  color: var(--color-text-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-pill);
  font-size: var(--font-size-small);
  font-weight: 600;
}

.product-card__content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-size: var(--font-size-h5);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.product-card__price {
  font-size: var(--font-size-large);
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.product-card__description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.product-card__actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ========================================
   СТАТИСТИКА
   ======================================== */
.stats-section {
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--spacing-xxl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   ТЕСТИМОНИАЛЫ
   ======================================== */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  margin: var(--spacing-lg);
}

.testimonial-card::before {
  content: '"';
  font-size: 4rem;
  color: var(--color-primary);
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-lg);
  font-family: serif;
}

.testimonial-content {
  font-size: var(--font-size-large);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  border: 3px solid var(--color-primary);
}

.testimonial-info h4 {
  color: var(--color-text-primary);
  margin: 0;
  font-size: var(--font-size-base);
}

.testimonial-info p {
  color: var(--color-text-light);
  margin: 0;
  font-size: var(--font-size-small);
}

/* ========================================
   КОНТАКТНАЯ ИНФОРМАЦИЯ
   ======================================== */
.contact-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.contact-info__icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-large);
  flex-shrink: 0;
}

.contact-info__content h4 {
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  font-size: var(--font-size-base);
}

.contact-info__content p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-base);
}

.contact-info__content a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info__content a:hover {
  color: var(--color-accent);
}

/* ========================================
   ФОРМЫ
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: var(--font-size-base);
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(40, 59, 106, 0.1);
}

.form-control--error {
  border-color: var(--color-accent);
}

.form-error {
  color: var(--color-accent);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
}

.form-success {
  background: #d4edda;
  color: #155724;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid #c3e6cb;
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   БАННЕРЫ
   ======================================== */
.banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.banner__content {
  position: relative;
  z-index: 2;
}

.banner__title {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.banner__description {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.banner__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   СПИСКИ
   ======================================== */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.feature-list__item:last-child {
  border-bottom: none;
}

.feature-list__icon {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: var(--color-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list__content h4 {
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  font-size: var(--font-size-base);
}

.feature-list__content p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-base);
}

/* ========================================
   ЦЕНЫ
   ======================================== */
.pricing-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-fast);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border: 2px solid var(--color-primary);
  transform: scale(1.05);
}

.pricing-card--featured::before {
  content: 'Популярно';
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-small);
  font-weight: 600;
  border-radius: 0 0 0 var(--border-radius-md);
}

.pricing-card__title {
  font-size: var(--font-size-h4);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.pricing-card__price {
  font-size: 3rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.pricing-card__period {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-lg);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
}

.pricing-card__features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}

.pricing-card__features li:last-child {
  border-bottom: none;
}

.pricing-card__button {
  width: 100%;
}

/* ========================================
   НАВИГАЦИЯ
   ======================================== */
.nav-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.nav-tab {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.nav-tab:hover {
  color: var(--color-primary);
}

.nav-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ========================================
   МОДАЛЬНЫЕ ОКНА
   ======================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-heavy);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.7);
  transition: transform var(--transition-normal);
}

.modal.show .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-h4);
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ========================================
   ТАБЛИЦЫ
   ======================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
}

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

.table th {
  background: var(--color-bg-secondary);
  font-weight: 600;
  color: var(--color-text-primary);
}

.table tbody tr:hover {
  background: var(--color-bg-secondary);
}

.table-striped tbody tr:nth-child(even) {
  background: var(--color-bg-secondary);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ========================================
   ПРОГРЕСС БАРЫ
   ======================================== */
.progress {
  height: 20px;
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--border-radius-pill);
  transition: width var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  font-size: var(--font-size-small);
  font-weight: 500;
}

.progress-bar--accent {
  background: var(--color-accent);
}

.progress-bar--success {
  background: #28a745;
}

.progress-bar--warning {
  background: #ffc107;
  color: var(--color-text-primary);
}

.progress-bar--danger {
  background: var(--color-accent);
}

/* ========================================
   СПИННЕРЫ
   ======================================== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

.spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 1px;
}

.spinner--lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   ТУЛТИПЫ
   ======================================== */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip__content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-primary);
  color: var(--color-text-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-small);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip__content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-text-primary);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   АККОРДЕОН
   ======================================== */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.accordion-header:hover {
  background: var(--color-border-light);
}

.accordion-title {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

.accordion-icon {
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: var(--spacing-lg);
  display: none;
  background: var(--color-white);
}

.accordion-item.active .accordion-content {
  display: block;
}

/* ========================================
   КАРУСЕЛЬ
   ======================================== */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.carousel-inner {
  display: flex;
  transition: transform var(--transition-normal);
}

.carousel-item {
  flex: 0 0 100%;
  position: relative;
}

.carousel-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: var(--color-text-white);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
  text-align: center;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-text-white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.carousel-control:hover {
  background: rgba(0, 0, 0, 0.7);
}

.carousel-control--prev {
  left: var(--spacing-md);
}

.carousel-control--next {
  right: var(--spacing-md);
}

.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
}

.carousel-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-indicator.active {
  background: var(--color-text-white);
}

/* ========================================
   АДАПТИВНОСТЬ КОМПОНЕНТОВ
   ======================================== */
@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .banner__title {
    font-size: var(--font-size-h2);
  }
  
  .banner__description {
    font-size: var(--font-size-base);
  }
  
  .banner__buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .testimonial-card {
    margin: var(--spacing-md);
    padding: var(--spacing-lg);
  }
  
  .testimonial-card::before {
    font-size: 3rem;
    top: var(--spacing-sm);
    left: var(--spacing-md);
  }
  
  .pricing-card--featured {
    transform: none;
  }
  
  .modal-dialog {
    width: 95%;
    margin: var(--spacing-md);
  }
  
  .nav-tabs {
    flex-direction: column;
  }
  
  .nav-tab {
    border-bottom: none;
    border-left: 2px solid transparent;
  }
  
  .nav-tab.active {
    border-left-color: var(--color-primary);
  }
  
  .carousel-item img {
    height: 250px;
  }
  
  .carousel-caption {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    flex-direction: column;
    text-align: center;
  }
  
  .feature-list__item {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .table-responsive {
    font-size: var(--font-size-small);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm);
  }
}