ImageMasonry image

---
interface Props {
  images: { src: string; alt?: string; }[];
  columns?: 2 | 3;
  eyebrow?: string;
  headline?: string;
}

const {
  images,
  columns = 3,
  eyebrow,
  headline,
} = Astro.props;
---

<section class="imn__section">
  {(eyebrow || headline) && (
    <div class="imn__header">
      {eyebrow && <p class="imn__eyebrow">{eyebrow}</p>}
      {headline && <h2 class="imn__headline">{headline}</h2>}
    </div>
  )}

  <div
    class="imn__grid"
    data-columns={columns}
    style={`--imn-columns: ${columns};`}
  >
    {images.map((image) => (
      <div class="imn__item">
        <img
          src={image.src}
          alt={image.alt ?? ''}
          class="imn__img"
          loading="lazy"
          decoding="async"
        />
      </div>
    ))}
  </div>
</section>

<script>
  const wrappers = document.querySelectorAll<HTMLElement>('.imn__grid');

  wrappers.forEach((wrapper) => {
    const observer = new IntersectionObserver(
      (entries) => {
        entries.forEach((entry) => {
          if (entry.isIntersecting) {
            wrapper.classList.add('imn__grid--visible');
            observer.unobserve(wrapper);
          }
        });
      },
      { threshold: 0.05 }
    );

    observer.observe(wrapper);
  });
</script>

<style>
  :root {
    --color-primary: #0a0a0a;
    --color-accent: #6366f1;
    --color-bg: #fff;
    --color-muted: #6b7280;
    --radius: 0.5rem;
  }

  .imn__section {
    padding: 4rem 1.5rem;
    background: var(--color-bg);
  }

  .imn__header {
    text-align: center;
    margin-bottom: 2.5rem;
  }

  .imn__eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 0.5rem;
  }

  .imn__headline {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.15;
  }

  .imn__grid {
    columns: var(--imn-columns, 3);
    column-gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .imn__grid--visible {
    opacity: 1;
    transform: translateY(0);
  }

  .imn__item {
    break-inside: avoid;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .imn__item:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  }

  .imn__img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
  }

  @media (max-width: 640px) {
    .imn__grid {
      columns: 1 !important;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
    }
  }
</style>