/* =========================================
   БАЗА — цвета, шрифты, ресеты
========================================= */

:root {
  --pf-red: #b32124;
  --pf-red-dark: #8f181b;
  --pf-bg: #f7f7f7;
  --pf-border: #dcdcdc;
  --pf-text: #3b2a2a;
  --pf-muted: #777;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #fff;
  color: var(--pf-text);
  padding: 0;
  margin: 0;
}

img {
  -webkit-user-drag: none;
  user-select: none;
}

/* =========================================
   ЛЕЙАУТ
========================================= */

.pf-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 10px 40px;
}

/* Хлебные крошки */
.pf-breadcrumb {
  font-size: 12px;
  color: var(--pf-muted);
  margin-bottom: 6px;
}

/* Заголовки */
.pf-title {
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  margin: 8px 0 14px;
}

/* =========================================
   CHIP SELECTOR (1.5 dCi / 1.9 D)
========================================= */

.pf-chip-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  overflow-x: auto;
  padding-bottom: 3px;
}

.pf-chip {
  flex-shrink: 0;
  background: #fff;
  border: 1px solid var(--pf-red);
  padding: 7px 16px;
  border-radius: 40px;
  font-size: 13px;
  color: var(--pf-red);
  cursor: pointer;
  white-space: nowrap;
  transition: 0.15s;
}

.pf-chip--active,
.pf-chip:active {
  background: var(--pf-red);
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
}

/* =========================================
   CARD — машины 1997-2008 и 2008+
========================================= */

.pf-cars-row {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.pf-car-card {
  flex: 1;
  border: 1px solid var(--pf-border);
  border-radius: 4px;
  padding: 8px 6px 12px;
  background: #fff;
  text-align: center;
  cursor: pointer;
  transition: 0.2s;
}

.pf-car-card:hover {
  border-color: var(--pf-red);
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.pf-car-card:active {
  transform: translateY(1px);
}

.pf-car-img {
  width: 100%;
  max-width: 180px;
  display: block;
  margin: 0 auto 6px;
  object-fit: contain;
}

.pf-car-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  text-transform: uppercase;
}

.pf-car-sub {
  font-size: 11px;
  color: var(--pf-muted);
}

/* =========================================
   БЛОКИ СЕКЦИЙ (Поршни 1997–2008 / з 2008)
========================================= */

.pf-section {
  margin-top: 20px;
  padding-top: 10px;
  border-top: 2px solid #f0f0f0;
}

.pf-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 12px;
}

.pf-section-title {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
}

.pf-section-meta {
  font-size: 11px;
  color: var(--pf-muted);
  text-align: right;
}

/* Метка */
.pf-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--pf-red);
  color: var(--pf-red);
  font-size: 11px;
  margin-left: 4px;
}

/* =========================================
   GRID ПОРШНЕЙ
========================================= */

.pf-piston-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

@media (min-width: 768px) {
  .pf-piston-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.pf-piston-card {
  background: #fff;
  border: 1px solid var(--pf-border);
  border-radius: 4px;
  padding: 8px 6px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.pf-piston-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: contain;
  margin-bottom: 4px;
}

/* Размер и цена */
.pf-piston-size {
  font-size: 13px;
  font-weight: 700;
}

.pf-price {
  font-size: 13px;
  font-weight: 700;
  color: var(--pf-red);
  margin-top: 4px;
}

/* Меточки */
.pf-pill-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin: 3px 0;
}

.pf-pill {
  padding: 3px 6px;
  border-radius: 999px;
  border: 1px solid var(--pf-border);
  background: #fafafa;
  font-size: 10px;
  color: var(--pf-muted);
}

.pf-pill--best {
  border-color: var(--pf-red);
  background: var(--pf-red);
  color: #fff;
}

/* CTA-кнопки под карточками */
.pf-cta-row {
  display: flex;
  gap: 5px;
  margin-top: 6px;
}

.pf-btn-primary {
  flex: 1;
  padding: 7px 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--pf-red);
  border: none;
  border-radius: 3px;
  color: #fff;
  cursor: pointer;
  transition: 0.15s;
}

.pf-btn-primary:active {
  background: var(--pf-red-dark);
  transform: translateY(1px);
}

.pf-btn-ghost {
  padding: 7px 8px;
  border: 1px solid var(--pf-border);
  border-radius: 3px;
  background: #fff;
  font-size: 11px;
  color: var(--pf-muted);
  cursor: pointer;
}

/* =========================================
   Показать больше
========================================= */

.pf-show-more-wrap {
  text-align: center;
  margin-top: 14px;
}

.pf-show-more-btn {
  padding: 8px 22px;
  border-radius: 30px;
  border: 1px solid var(--pf-red);
  font-size: 12px;
  color: var(--pf-red);
  background: #fff;
  text-transform: uppercase;
  cursor: pointer;
  transition: 0.2s;
}

.pf-show-more-btn:active {
  background: var(--pf-red);
  color: white;
}

/* скрытые карточки */
.pf-hidden {
  display: none !important;
}

/* Примечания */
.pf-note {
  font-size: 11px;
  color: var(--pf-muted);
  margin-top: 14px;
}