.certificates__heading {
  margin-bottom: 54px;
  font-size: 45px;
  font-weight: 700;
  text-align: center;
}

.certificates__slider-wrap {
  position: relative;
}

.certificates__nav {
  position: absolute;
  top: calc(50% - 22px); /* centre of the cards, minus pagination */
  z-index: 2;
  width: auto;
  height: auto;
  transform: translateY(-50%);
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition);
}

.certificates__nav--prev {
  left: -43px;
}

.certificates__nav--next {
  right: -43px;
}

.certificates__nav:hover {
  opacity: 0.75;
}

.certificates__nav-icon {
  display: block;
  width: auto;
  height: auto;
}

.certificates__swiper {
  overflow: hidden;
  padding: 20px var(--slider-gap) 0;
  margin: -20px calc(var(--slider-gap) * -1) 0;
}

@media (max-width: 1023px) {
  .certificates__swiper {
    --slider-gap: 16px; /* matches spaceBetween below 1024px */
  }
}

.certificates__swiper .swiper-slide {
  display: flex;
  height: auto;
}

.certificates__pagination {
  position: static !important;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}

.certificates__pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  margin: 0;
  background: var(--border);
  border: none;
  opacity: 1;
  border-radius: 50%;
  transition: background var(--transition);
}

.certificates__pagination .swiper-pagination-bullet-active {
  background: var(--yellow);
}

.cert-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-white);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.cert-card__img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 260 / 370;
  overflow: hidden;
}

.cert-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-card__img-placeholder {
  width: 100%;
  height: 100%;
  background: #e8e8e8;
}

.cert-card__zoom-btn {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.cert-card__zoom-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.cert-card__zoom-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: var(--bg-white);
  background-image: url('../../assets/img/icons/ui/search.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 20px 20px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.cert-card__zoom-btn:hover::before,
.cert-card__zoom-btn:hover::after,
.cert-card__zoom-btn:focus-visible::before,
.cert-card__zoom-btn:focus-visible::after {
  opacity: 1;
}

.cert-card__caption {
  margin: 0;
  padding: 16px 16px 20px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
}

@media (max-width: 1340px) {
  .certificates__nav--prev {
    left: -20px;
  }

  .certificates__nav--next {
    right: -20px;
  }
}

@media (max-width: 1024px) {
  .certificates__heading {
    margin-bottom: 40px;
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .certificates__heading {
    margin-bottom: 28px;
    font-size: 28px;
  }

  .certificates__nav {
    display: none;
  }

  .certificates__pagination {
    margin-top: 24px;
  }
}

@media (max-width: 480px) {
  .certificates__heading {
    font-size: 24px;
  }

  .cert-card__caption {
    padding: 12px 12px 16px;
  }
}