.block-problems {
  background: #fff;
  padding: clamp(40px, 7vh, 88px) 0 clamp(48px, 9vh, 96px);
}


.block-problems__inner {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding-inline: var(--layout-inline);
}

.block-problems__head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.block-problems__head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 32px);
}

.block-problems__head-main {
  flex: 1;
  min-width: 0;
}

.block-problems__title {
  margin: 0;
  max-width: 42rem;
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  color: #1a1a1a;
}

.block-problems__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(12px, 1.8vw, 20px);
}


.block-problems__card {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-width: 0;
  max-width: none;
  margin-inline: 0;
  aspect-ratio: 332 / 302;
  overflow: hidden;
  background: #252529;
}


.block-problems__card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #252529;
  background-size: cover;
  background-position: center;
}

.block-problems__card:nth-child(1) .block-problems__card-bg {
  background-image: var(--card-image, url("../../assets/problem-card-01.webp"));
}

.block-problems__card:nth-child(2) .block-problems__card-bg {
  background-image: var(--card-image, url("../../assets/problem-card-02.webp"));
}

.block-problems__card:nth-child(3) .block-problems__card-bg {
  background-image: var(--card-image, url("../../assets/problem-card-03.webp"));
}

.block-problems__card:nth-child(4) .block-problems__card-bg {
  background-image: var(--card-image, url("../../assets/problem-card-04.webp"));
}

.block-problems__card-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(37, 37, 41, 0.2), rgba(37, 37, 41, 0.2));
  pointer-events: none;
}


.block-problems__card-glass {
  box-sizing: border-box;
  position: absolute;
  z-index: 1;
  inset: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 10px;
  background: rgba(19, 19, 20, 0.4);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}


.block-problems__card-corners {
  position: absolute;
  z-index: 2;
  inset: 8px;
  pointer-events: none;
}

.block-problems__card-corner {
  position: absolute;
  width: clamp(20px, 3vw, 28px);
  height: clamp(20px, 3vw, 28px);
  border-style: solid;
  border-color: #fcfefe;
}

.block-problems__card-corner--tl {
  top: 0;
  left: 0;
  border-width: 1px 0 0 1px;
}

.block-problems__card-corner--tr {
  top: 0;
  right: 0;
  border-width: 1px 1px 0 0;
}

.block-problems__card-corner--bl {
  bottom: 0;
  left: 0;
  border-width: 0 0 1px 1px;
}

.block-problems__card-corner--br {
  bottom: 0;
  right: 0;
  border-width: 0 1px 1px 0;
}


.block-problems__card-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  gap: 8px;
  width: 100%;
  max-width: 100%;
  text-align: center;
  box-sizing: border-box;
}

.block-problems__card-title {
  margin: 0;
  font-family: "Roboto", sans-serif;
  font-style: normal;
  font-weight: 500;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: clamp(22px, 2.4vw, 28px);
  color: #fcfefe;
}

.block-problems__card-lead {
  margin: 0;
  font-family: "Roboto", sans-serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: clamp(17px, 1.6vw, 19px);
  color: #fcfefe;
}

@media (max-width: 1024px) {
  .block-problems__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .block-problems__head-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .block-problems__index {
    align-self: flex-end;
  }

  .block-problems__grid {
    grid-template-columns: 1fr;
  }
}