.stairs-category {
  margin-bottom: 100px;
}

.stairs-category h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.stairs-category p {
  margin-bottom: 20px;
  color: hsl(0, 0%, 30%);
  line-height: 1.6;
}

.stairs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.stairs-main img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.stairs-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stairs-thumbs img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.stairs-thumbs img:hover,
.stairs-main img:hover {
  transform: scale(1.05);
}

.btn-view-more {
  display: block;
  width: 100%;
  height: 150px;
  border-radius: 8px;
  border: 2px dashed var(--accent-color);
  background-color: transparent;
  color: var(--accent-color);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
}

.btn-view-more:hover {
  background-color: var(--accent-color);
  color: var(--background-color);
}

.stairs-under-construction {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 15px;
  text-align: center;
  background-color: hsl(0, 0%, 96%);
  border-radius: 16px;
  margin-top: 20px;
}

#lottie-under-construction {
  width: 240px;
  height: 240px;
  margin-bottom: 20px;
}

.stairs-under-construction .info {
  color: var(--text-color);
  font-size: 1.1rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  .stairs-grid {
    grid-template-columns: 2fr 3fr;
  }
}

@media (min-width: 1200px) {
  .stairs-main img {
    height: 420px;
  }
  .stairs-thumbs img,
  .btn-view-more {
    height: 180px;
  }
}