/* OFERTA — kompaktowe kafelki z animowanym plusem */

.oferta__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  list-style: none;
  padding: 0;
}

@media (max-width: 1280px) { .oferta__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .oferta__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .oferta__grid { grid-template-columns: 1fr; } }

.oferta__item {
  display: flex;
  list-style: none;
}

.oferta__tile {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  padding: 18px 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  position: relative;
  color: var(--color-dark);
  min-height: 64px;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
  overflow: hidden;
  text-decoration: none;
}

.oferta__tile::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.oferta__tile:hover {
  border-color: var(--color-primary);
  color: var(--color-dark);
  transform: translateX(3px);
  background: linear-gradient(90deg, var(--color-bg) 0%, var(--color-primary-tint) 100%);
}
.oferta__tile:hover::before { transform: scaleX(1); }

.oferta__tile--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

/* Label */
.oferta__label {
  flex: 1;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  line-height: 1.2;
  text-align: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.oferta__tile:hover .oferta__label {
  transform: translateX(4px);
}

/* Plus icon — animated to × on hover */
.oferta__plus {
  position: relative;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-tint);
  transition: background 0.3s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.oferta__plus-bar {
  position: absolute;
  background: var(--color-primary);
  transition: background 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), width 0.4s ease, height 0.4s ease;
}
.oferta__plus-bar--h {
  width: 14px;
  height: 2px;
  top: calc(50% - 1px);
  left: calc(50% - 7px);
}
.oferta__plus-bar--v {
  width: 2px;
  height: 14px;
  top: calc(50% - 7px);
  left: calc(50% - 1px);
}

.oferta__tile:hover .oferta__plus {
  background: var(--color-accent);
  transform: rotate(90deg) scale(1.1);
}
.oferta__tile:hover .oferta__plus-bar {
  background: var(--color-primary-dark);
}
.oferta__tile:hover .oferta__plus-bar--h {
  width: 18px;
  left: calc(50% - 9px);
}
.oferta__tile:hover .oferta__plus-bar--v {
  height: 18px;
  top: calc(50% - 9px);
}

.oferta__cta {
  text-align: center;
  margin-top: var(--space-lg);
}

.oferta__empty {
  text-align: center;
  color: var(--color-text-light);
  padding: var(--space-lg);
}

@media (max-width: 640px) {
  .oferta__tile {
    padding: 14px 18px;
    min-height: 56px;
  }
  .oferta__plus {
    width: 32px;
    height: 32px;
  }
}