.roof-knowledge__heading {
  margin-block-end: var(--space-5);
}

.roof-knowledge__intro {
  max-width: var(--container-text);
}

.roof-knowledge__lead {
  margin-block-end: var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  line-height: 1.65;
}

.roof-knowledge__body + .roof-knowledge__body {
  margin-block-start: var(--space-2);
}

.roof-knowledge__cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
  margin-block-start: var(--space-9);
}

.roof-card {
  min-width: 0;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  background: var(--color-white);
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard);
}

.roof-card__link {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--color-text);
}

.roof-card__media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: var(--roof-card-aspect);
}

.roof-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-standard);
}

.roof-card:nth-child(1) img {
  object-position: var(--roof-card-role-position);
}

.roof-card:nth-child(2) img {
  object-position: var(--roof-card-types-position);
}

.roof-card:nth-child(3) img {
  object-position: var(--roof-card-history-position);
}

.roof-card:nth-child(4) img {
  object-position: var(--roof-card-trouble-position);
}

.roof-card__content {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--space-3);
}

.roof-card__content h3 {
  padding-inline-end: var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--font-size-card-title);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
}

.roof-card__content p {
  margin-block-start: var(--space-2);
  font-size: var(--font-size-caption);
  line-height: 1.8;
}

.roof-card__arrow {
  position: absolute;
  inset: var(--space-3) var(--space-3) auto auto;
  color: var(--color-button);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.roof-card:hover,
.roof-card:focus-within {
  border-color: var(--color-text);
  transform: translateY(var(--roof-card-hover-lift));
}

.roof-card:hover .roof-card__media img,
.roof-card:focus-within .roof-card__media img {
  transform: scale(var(--roof-card-hover-scale));
}

.roof-card:hover .roof-card__arrow,
.roof-card:focus-within .roof-card__arrow {
  transform: translateX(var(--icon-shift));
}

.roof-knowledge__action {
  display: flex;
  justify-content: center;
  margin-block-start: var(--space-7);
}

.roof-knowledge__link {
  display: inline-flex;
  align-items: center;
  min-height: var(--text-link-height);
  gap: var(--space-1);
  color: var(--color-button);
  font-weight: var(--font-weight-medium);
}

.roof-knowledge__link-icon {
  transition: transform var(--duration-normal) var(--ease-standard);
}

.roof-knowledge__link:hover .roof-knowledge__link-icon,
.roof-knowledge__link:focus-visible .roof-knowledge__link-icon {
  transform: translateX(var(--icon-shift));
}

@media (max-width: 1199px) {
  .roof-knowledge__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .roof-knowledge__heading {
    margin-block-end: var(--space-4);
  }

  .roof-knowledge__lead {
    margin-block-end: var(--space-3);
  }

  .roof-knowledge__cards {
    grid-template-columns: 1fr;
    margin-block-start: var(--space-6);
  }

  .roof-card__link:active {
    opacity: var(--opacity-hover);
  }

  .roof-card:hover,
  .roof-card:focus-within {
    transform: none;
  }

  .roof-card:hover .roof-card__media img,
  .roof-card:focus-within .roof-card__media img {
    transform: none;
  }

  .roof-knowledge__action {
    justify-content: flex-start;
    margin-block-start: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .roof-card,
  .roof-card__media img,
  .roof-card__arrow,
  .roof-knowledge__link-icon {
    transition: none;
  }
}