/* ==========================================================================
   Грузовой центр «Барсук-КАМАЗ» (Новосибирск)
   Компоненты интерфейса: шапка, меню, крошки, подвал, кнопки, формы,
   таблицы характеристик, модальное окно, подтверждение формы, cookie
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Шапка сайта и верхняя контактная полоса
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.25s ease;
}

.site-header.is-unpinned {
  transform: translateY(-100%);
}

.site-header.is-pinned {
  transform: translateY(0);
}

.header-top {
  background-color: var(--bg-muted);
  border-bottom: 1px solid var(--border-light);
  font-size: var(--font-xs);
  color: var(--text-muted);
  padding: 6px 0;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-top-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.header-top-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.header-top-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-phone-link {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.header-phone-link:hover {
  color: var(--accent);
}

.header-main {
  padding: 12px 0;
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Логотип: слово «БАРСУК» жирным, «КАМАЗ» обычным, голова барсука в квадрате */
.logo {
  display: flex;
  align-items: center;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  text-decoration: none;
}

.logo-link:hover .logo-title strong {
  color: var(--accent);
}

.logo-badge {
  width: 36px;
  height: 36px;
  background-color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  flex-shrink: 0;
  overflow: hidden;
}

.logo-badge svg {
  width: 36px;
  height: 36px;
  display: block;
}

.logo-title {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: var(--font-lg);
  letter-spacing: -0.02em;
}

.logo-name strong {
  font-weight: 800;
}

.logo-name span {
  font-weight: 500;
  margin-left: 4px;
  color: var(--text-muted);
}

.logo-sub {
  font-size: var(--font-xs);
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Навигация десктоп */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-main);
  border-radius: var(--radius);
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
  color: var(--accent);
  background-color: var(--bg-muted);
}

.nav-link.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Кнопка бургер */
.header-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text-main);
  align-items: center;
  gap: 8px;
  font-size: var(--font-sm);
  font-weight: 600;
}

.header-burger svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Мобильное меню (выпадающее/шторка) */
.mobile-nav-panel {
  display: none;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px var(--container-pad);
}

.mobile-nav-panel.is-open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 8px;
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link.is-active {
  color: var(--accent);
}

.mobile-nav-contacts {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.mobile-nav-contacts p {
  margin-bottom: 8px;
}

/* --------------------------------------------------------------------------
   2. Кнопки (заливка слева без блеска)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 44px;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s cubic-bezier(0.2, 0, 0, 1);
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn-primary {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

.btn-primary::before {
  background-color: var(--accent-hover);
}

.btn-primary:hover {
  color: #FFFFFF;
  border-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary::before {
  background-color: var(--bg-subtle);
}

.btn-secondary:hover {
  color: var(--text-main);
  border-color: var(--border-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-outline::before {
  background-color: var(--accent);
}

.btn-outline:hover {
  color: #FFFFFF;
  border-color: var(--accent);
}

.btn-dark {
  background-color: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
}

.btn-dark::before {
  background-color: #333331;
}

.btn-dark:hover {
  color: #FFFFFF;
}

.btn-sm {
  padding: 6px 14px;
  font-size: var(--font-xs);
  min-height: 36px;
}

.btn-lg {
  padding: 14px 26px;
  font-size: var(--font-md);
  min-height: 50px;
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   3. Хлебные крошки
   -------------------------------------------------------------------------- */
.breadcrumbs {
  padding: 12px 0 18px 0;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--font-xs);
  color: var(--text-faint);
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--border-dark);
}

.breadcrumb-link {
  color: var(--text-muted);
}

.breadcrumb-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   4. Подвал сайта
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-dark);
  color: #D4D1C9;
  border-top: 1px solid #2B2A28;
  margin-top: auto;
  font-size: var(--font-sm);
  line-height: var(--lh-base);
}

.footer-top {
  padding: 48px 0 36px 0;
  border-bottom: 1px solid #2B2A28;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo-link {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-brand .logo-badge {
  background-color: var(--accent);
  color: #FFFFFF;
}

.footer-brand .logo-sub {
  color: #8C8A84;
}

.footer-desc {
  font-size: var(--font-xs);
  color: #9C9991;
  margin-bottom: 16px;
  line-height: 1.5;
}

.footer-title {
  color: #FFFFFF;
  font-size: var(--font-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #B5B2AA;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-contacts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-row {
  display: flex;
  flex-direction: column;
}

.footer-contact-label {
  font-size: var(--font-xs);
  color: #7A7872;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.footer-contact-value {
  color: #E2DFD8;
  font-family: var(--font-mono);
  font-size: var(--font-sm);
}

.footer-contact-value a {
  color: inherit;
}

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

.footer-bottom {
  padding: 20px 0;
  font-size: var(--font-xs);
  color: #7A7872;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #9C9991;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-legal-links a:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   5. Формы и поля ввода
   -------------------------------------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: var(--font-base);
  color: var(--text-main);
  min-height: 44px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  background-color: #FFFFFF;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: var(--lh-base);
}

.form-checkbox-label {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--font-xs);
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.4;
  user-select: none;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.form-hint {
  font-size: var(--font-xs);
  color: var(--text-faint);
  line-height: 1.3;
}

.form-error {
  display: none;
  font-size: var(--font-xs);
  color: #B81B1B;
  font-weight: 600;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: #B81B1B;
  background-color: #FDF4F4;
}

/* Подтверждение отправки формы */
.form-success-box {
  display: none;
  background-color: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 12px;
}

.form-success-box.is-visible {
  display: block;
}

.form-success-title {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--accent-hover);
  margin-bottom: 6px;
}

.form-success-text {
  font-size: var(--font-sm);
  color: var(--text-main);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   6. Таблицы характеристик
   -------------------------------------------------------------------------- */
.spec-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  border-radius: var(--radius);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

.spec-table caption {
  text-align: left;
  font-size: var(--font-base);
  font-weight: 700;
  padding: 12px 16px;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
}

.spec-table thead th {
  background-color: var(--bg-muted);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 16px;
  text-align: left;
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.spec-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.15s ease;
}

.spec-table tbody tr:last-child {
  border-bottom: none;
}

.spec-table tbody tr:hover {
  background-color: var(--accent-soft);
}

.spec-table th,
.spec-table td {
  padding: 11px 16px;
  vertical-align: top;
}

.spec-param-name {
  color: var(--text-muted);
  width: 48%;
  font-weight: 500;
}

.spec-param-val {
  color: var(--text-main);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.spec-group-header {
  background-color: var(--bg-subtle) !important;
  cursor: pointer;
  user-select: none;
}

.spec-group-header td {
  padding: 12px 16px;
  font-weight: 700;
  color: var(--text-main);
  font-size: var(--font-sm);
  letter-spacing: -0.01em;
}

.spec-group-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.spec-group-icon {
  display: inline-block;
  width: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   7. Бейджи и ярлыки
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--font-xs);
  font-weight: 600;
  border-radius: var(--radius);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.badge-accent {
  background-color: var(--accent);
  color: #FFFFFF;
}

.badge-neutral {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.badge-mono {
  background-color: var(--bg-muted);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid var(--border-light);
}

.badge-subtle {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* --------------------------------------------------------------------------
   8. Модальное окно («Заказать звонок» / «Запросить КП»)
   -------------------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background-color: rgba(20, 20, 19, 0.65);
}

.modal-overlay.is-active {
  display: flex;
}

.modal-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 28px 24px 24px 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
}

.modal-title {
  font-size: var(--font-lg);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: var(--font-xs);
  color: var(--text-muted);
}

.modal-close {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
}

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

.modal-close svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   8. Плашка согласия на Cookie
   -------------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 12px 0;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.cookie-banner.is-hidden {
  display: none;
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.cookie-banner-text {
  font-size: var(--font-xs);
  color: var(--text-muted);
  max-width: 820px;
  line-height: 1.4;
}

.cookie-banner-text a {
  color: var(--accent);
  text-decoration: underline;
}

.cookie-banner-actions {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   9. Адаптивность для компонентов
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .site-nav {
    display: none;
  }

  .header-burger {
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-brand {
    max-width: none;
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .header-top {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner-actions {
    width: 100%;
  }

  .cookie-banner-actions .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   9. Появление блоков при скролле (Scroll reveal)
   -------------------------------------------------------------------------- */
[data-reveal],
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s ease, transform 0.32s ease;
  will-change: opacity, transform;
}

[data-reveal].is-revealed,
.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}