body {
  margin: 0;
}

.gallery-showcase {
  background: #efefef;
  padding: clamp(2rem, 5vw, 4rem) 1rem clamp(2.5rem, 6vw, 5rem);
}

.gallery-showcase-inner {
  margin: 0 auto;
  max-width: 1120px;
}

.gallery-showcase h1 {
  color: #23272c;
  font-family: "Segoe UI", sans-serif;
  font-size: clamp(2rem, 2.9vw, 3.1rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  margin: 0 0 1.2rem;
  text-align: center;
}

.gallery-mosaic {
  align-items: start;
  display: grid;
  gap: 0;
  grid-template-columns: 1.45fr 1fr;
  margin: 0 auto;
  max-width: 920px;
}

.gallery-main {
  display: block;
  overflow: hidden;
}

.gallery-main img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.gallery-side-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-side-grid a {
  display: block;
  overflow: hidden;
}

.gallery-side-grid img {
  display: block;
  height: 100%;
  min-height: 125px;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 900px) {
  .gallery-mosaic {
    grid-template-columns: 1fr;
  }

  .gallery-main img {
    min-height: 280px;
  }
}

@media (max-width: 600px) {
  .gallery-side-grid {
    grid-template-columns: 1fr;
  }
}