/* 1. RESET: Removes default browser spacing */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 2. BASE STYLES: Clean, minimalist typography */
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: #fafafa;
  color: #111;
  line-height: 1.6;
}

/* 3. HEADER: Center the title and give it breathing room */
.site-header {
  text-align: center;
  padding: 4rem 2rem;
}

.site-header h1 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.site-header p {
  font-size: 0.9rem;
  color: #666;
}

/* 4. MASONRY GALLERY: The core layout */
.portfolio-gallery {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 4rem 2rem;
  
  /* Creates 3 columns that images will flow into */
  column-count: 3;
  column-gap: 2rem;
}

/* 5. IMAGE BLOCKS: Keeps images from breaking across columns */
.gallery-item {
  break-inside: avoid; /* Prevents an image from being split in half */
  margin-bottom: 2rem; /* Spacing below each image */
  position: relative;
}

.gallery-item img {
  width: 100%; /* Makes image fill the column width */
  height: auto; /* Maintains aspect ratio */
  display: block;
}

/* Optional: Minimalist caption that appears under the image */
.caption {
  font-size: 0.8rem;
  color: #777;
  margin-top: 0.5rem;
}

/* 6. RESPONSIVENESS: Shrinks columns on smaller screens */
@media (max-width: 900px) {
  .portfolio-gallery {
    column-count: 2;
  }
}

@media (max-width: 600px) {
  .portfolio-gallery {
    column-count: 1; /* Stacks images in a single column on phones */
    padding: 0 1rem 2rem 1rem;
  }
}