Bootstrap 5 Image Cards with Hover Zoom Effect

<section class="wdw-stage">
  <div class="container" style="max-width:1040px">
    <div class="text-center mb-4 mb-md-5">
      <span class="wdw-eyebrow mb-2">Seasonal lookbook</span>
      <h1 class="wdw-heading h2 mb-0">Three collections, one wardrobe</h1>
    </div>
    <div class="row g-3 g-md-4">
      <div class="col-12 col-sm-4">
        <a href="#" class="coll-card">
          <img src="https://images.unsplash.com/photo-1494790108377-be9c29b29330?w=700&q=80" alt="Smiling woman in a burgundy sweater" loading="lazy">
          <span class="coll-body">
            <span class="coll-kicker">The</span>
            <span class="coll-name">Winter</span>
            <span class="coll-kicker">Collection</span>
            <span class="coll-cta">Shop now <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M5 12h14M13 6l6 6-6 6"/></svg></span>
          </span>
        </a>
      </div>
      <div class="col-12 col-sm-4">
        <a href="#" class="coll-card">
          <img src="https://images.unsplash.com/photo-1469474968028-56623f02e42e?w=700&q=80" alt="Hiker standing on a rock above misty hills" loading="lazy">
          <span class="coll-body">
            <span class="coll-kicker">The</span>
            <span class="coll-name">Summer</span>
            <span class="coll-kicker">Collection</span>
            <span class="coll-cta">Shop now <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M5 12h14M13 6l6 6-6 6"/></svg></span>
          </span>
        </a>
      </div>
      <div class="col-12 col-sm-4">
        <a href="#" class="coll-card">
          <img src="https://images.unsplash.com/photo-1506744038136-46273834b3fb?w=700&q=80" alt="River below mountain cliffs at dusk" loading="lazy">
          <span class="coll-body">
            <span class="coll-kicker">The</span>
            <span class="coll-name">Autumn</span>
            <span class="coll-kicker">Collection</span>
            <span class="coll-cta">Shop now <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M5 12h14M13 6l6 6-6 6"/></svg></span>
          </span>
        </a>
      </div>
    </div>
  </div>
</section>

/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
   Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root,
[data-bs-theme="light"] {
  --wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-family: var(--wdw-font);
  --bs-primary: #4f46e5;
  --bs-primary-rgb: 79, 70, 229;
  --bs-primary-text-emphasis: #3730a3;
  --bs-primary-bg-subtle: #eef2ff;
  --bs-primary-border-subtle: #c7d2fe;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4338ca;
  --bs-link-hover-color-rgb: 67, 56, 202;
  --bs-focus-ring-color: rgba(79, 70, 229, 0.25);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --wdw-radius-card: 1.25rem;
  --wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
  --wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
  --wdw-stage: #f5f6fb;
}

[data-bs-theme="dark"] {
  --bs-primary: #818cf8;
  --bs-primary-rgb: 129, 140, 248;
  --bs-primary-text-emphasis: #c7d2fe;
  --bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
  --bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
  --bs-link-color: #a5b4fc;
  --bs-link-color-rgb: 165, 180, 252;
  --bs-link-hover-color: #c7d2fe;
  --bs-link-hover-color-rgb: 199, 210, 254;
  --bs-focus-ring-color: rgba(129, 140, 248, 0.35);
  --wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
  --wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
  --wdw-stage: #0f1117;
}

body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }

/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
  --bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
  --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
  --bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }

/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }

/* Component */
.coll-card { position: relative; display: block; aspect-ratio: 3 / 4; border-radius: 1.25rem; overflow: hidden; color: #fff; text-decoration: none; box-shadow: var(--wdw-shadow-sm); isolation: isolate; }
.coll-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.coll-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(15,17,30,.85) 5%, rgba(15,17,30,.15) 60%); transition: background .3s; }
.coll-body { position: absolute; inset: auto 0 0 0; padding: 1.5rem; display: flex; flex-direction: column; line-height: 1.1; }
.coll-kicker { font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; opacity: .9; }
.coll-name { font-size: 2.25rem; font-weight: 800; letter-spacing: -.02em; margin: .15rem 0 .3rem; transition: transform .35s; }
.coll-cta { display: inline-flex; align-items: center; gap: .4rem; font-size: .875rem; font-weight: 600; margin-top: 0; max-height: 0; opacity: 0; overflow: hidden; transition: all .35s; }
.coll-card:hover img, .coll-card:focus-visible img { transform: scale(1.08) rotate(1.5deg); }
.coll-card:hover::after, .coll-card:focus-visible::after { background: linear-gradient(to top, rgba(49,46,129,.9) 5%, rgba(15,17,30,.2) 70%); }
.coll-card:hover .coll-cta, .coll-card:focus-visible .coll-cta { max-height: 2rem; opacity: 1; margin-top: .9rem; }
.coll-card:focus-visible { outline: 3px solid var(--bs-primary); outline-offset: 3px; }
@media (hover: none) { .coll-cta { max-height: 2rem; opacity: 1; margin-top: .9rem; } }
@media (prefers-reduced-motion: reduce) { .coll-card img, .coll-name, .coll-cta { transition: none; } .coll-card:hover img { transform: none; } }
@media (max-width: 575.98px) { .coll-card { aspect-ratio: 4 / 3; } }