/* Partnership block (Сотрудничество) — карточки: одинаковый кадр фото + подпись */
.rb-section.partnership-section {
  padding: 4rem 0;
}

.partnership-section .partnership-heading {
  text-align: center;
  margin-bottom: 0.5rem;
}

.partnership-section .partnership-heading .rb-h2 {
  color: #0a0a0a;
}

.partnership-section .partnership-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 2.5rem;
}

.partnership-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

.partnership-card {
  background: #1a1a1a;
  border-radius: 16px;
  border: 1px solid rgba(99, 91, 255, 0.15);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.partnership-card:hover {
  border-color: rgba(99, 91, 255, 0.4);
  transform: translateY(-4px);
}

/* Единый размер области изображения (квадрат), картинка заполняет кадр */
.partnership-card__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #111;
  overflow: hidden;
  flex-shrink: 0;
}

.partnership-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Подблок с описанием под картинкой */
.partnership-card__caption {
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.5rem;
}

.partnership-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
  color: #fff;
  text-align: center;
}

.partnership-card__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
  text-align: center;
  flex-grow: 1;
}

.partnership-card .partnership-btn {
  display: inline-block;
  text-align: center;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  background: #635bff;
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  margin-top: 0.25rem;
  align-self: center;
  width: 100%;
  max-width: 200px;
  transition: background 0.2s, opacity 0.2s;
}

.partnership-card .partnership-btn:hover {
  background: #5248e8;
  opacity: 0.95;
}

@media (max-width: 991px) {
  .partnership-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .partnership-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .partnership-section .partnership-subtitle {
    margin-bottom: 1.5rem;
  }
}