.useful-info {
  margin-top: 0;
  margin-left: 0;
  margin-right: 0;
  width: 100%;
  box-sizing: border-box;
  padding: 26px clamp(16px, 4vw, 48px) 32px;
  background: linear-gradient(180deg, #a8cfe8 0%, #8ebfe3 45%, #7aa9d4 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(13, 53, 141, 0.12);
  --useful-strip: url("../img/useful-info-strip.png");
}

.useful-info__inner {
  max-width: 100%;
}

.useful-info__title {
  margin: 0 0 18px;
  font-family: Arial, Helvetica, "Helvetica Neue", sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #0d358d;
  text-align: left;
  line-height: 1.3;
  text-transform: none;
  letter-spacing: normal;
}

/* Одна полоса 1024×212 → 5 равных кнопок */
.useful-info__strip {
  display: flex;
  flex-direction: row;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 1024 / 212;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(13, 53, 141, 0.22);
  gap: 0;
  background: #fff;
  padding: 0;
  box-sizing: border-box;
}

.useful-info__tile + .useful-info__tile {
  border-left: 1px solid rgba(255, 255, 255, 0.45);
}

.useful-info__tile {
  flex: 1 1 0;
  min-width: 0;
  min-height: 48px;
  display: block;
  text-decoration: none;
  background-color: #e8e8e8;
  background-image: var(--useful-strip);
  background-repeat: no-repeat;
  background-size: 500% 100%;
  background-position: calc(var(--slice, 0) * 25%) 50%;
  border: none;
  outline: none;
  transition:
    transform 0.2s ease,
    filter 0.2s ease,
    box-shadow 0.2s ease;
}

/* Своя картинка из админки (Изображение записи) */
.useful-info__tile--image {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
}

.useful-info__tile:hover {
  filter: brightness(1.06);
  z-index: 1;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.useful-info__tile:focus-visible {
  box-shadow: 0 0 0 3px #0d358d, 0 0 0 5px #fff;
  z-index: 2;
}

@media (max-width: 720px) {
  .useful-info {
    padding: 20px clamp(12px, 4vw, 20px) 26px;
  }

  .useful-info__title {
    font-size: 22px;
  }

  .useful-info__strip {
    flex-direction: column;
    aspect-ratio: auto;
    gap: 8px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.4);
  }

  .useful-info__tile {
    flex: none;
    width: 100%;
    /* одна плитка: ширина 1/5 полосы, высота как у исходного PNG */
    aspect-ratio: 204.8 / 212;
    background-size: 500% 100%;
    background-position: calc(var(--slice, 0) * 25%) 50%;
  }
}