/*
  How It Works 12 — standalone HTML/CSS/JS implementation.
  No build step, no framework, no external dependency: copy these three
  files into any project and open index.html as-is.
*/

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --white: #ffffff;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-400: #94a3b8;
  --slate-600: #475569;
  --slate-900: #0f172a;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji";
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--slate-900);
  background-color: var(--white);
  line-height: 1.5;
}

.hiw {
  padding: clamp(3rem, 2.5rem + 2vw, 5rem) clamp(1rem, 0.3rem + 3vw, 2rem);
}

.hiw__inner {
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
}

.hiw__intro {
  max-width: 34rem;
  margin: 0 auto;
  text-align: center;
}

.hiw__heading {
  margin: 0;
  font-weight: 600;
  font-size: clamp(1.875rem, 1.5rem + 1.9vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.hiw__lede {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--slate-600);
}

.cards {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.card {
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid var(--slate-200);
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--slate-100);
}

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

.card__body {
  padding: 1.25rem;
}

.card__number {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-400);
}

.card__title {
  margin: 0.25rem 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.card__text {
  margin: 0.375rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--slate-600);
}

@media (min-width: 640px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

/* Motion — disabled entirely under reduced motion; every card and image
   already renders at its final, fully visible state outside this query. */
@media (prefers-reduced-motion: no-preference) {
  @keyframes al-howitworks12-iris {
    from {
      clip-path: circle(0% at 50% 50%);
    }
    to {
      clip-path: circle(150% at 50% 50%);
    }
  }

  @keyframes al-howitworks12-card {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .card.reveal {
    animation: al-howitworks12-card 600ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .card__media.iris {
    animation: al-howitworks12-iris 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}
How It Works 12

Requirements

Dependencies

Usage
