/* Hero section, decorative blobs and visual stack.
 * Used on the marketing landing page (web/show.html.erb).
 * ---------------------------------------------------------------------- */

@layer modules {
  .hero {
    overflow: hidden;
    padding-block: clamp(var(--space-xxl), 6vw, 4rem);
    padding-inline: clamp(var(--space-l), 3vw, var(--space-xxl));
    position: relative;
  }

  .hero__grid {
    align-items: center;
    display: grid;
    gap: var(--space-xxl);
    grid-template-columns: 1.05fr 0.95fr;
    position: relative;
  }

  .hero__content {
    position: relative;
  }

  .hero__title {
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0;
  }

  .hero__lead {
    color: var(--color-ink-dark);
    font-size: 1.0625rem;
    line-height: 1.5;
    margin-block: var(--space-l) 0;
    max-inline-size: 30rem;
  }

  .hero__visual {
    aspect-ratio: 1.25;
    position: relative;
  }

  .hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xxl);
    margin-block-start: var(--space-xl);
  }

  .hero__stat-label {
    color: var(--color-ink-medium);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .hero__stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-block-start: 0.125rem;
  }

  @media (max-width: 49.999rem) {
    .hero__grid {
      grid-template-columns: 1fr;
    }

    .hero__visual {
      display: none;
    }

    .hero__title {
      font-size: clamp(2rem, 8vw, 3rem);
    }
  }

  /* Decorative absolute color blobs */
  .blob {
    background-color: var(--blob-color, var(--color-accent));
    border-radius: 50%;
    opacity: var(--blob-opacity, 0.55);
    pointer-events: none;
    position: absolute;
  }

  .blob--top-right {
    block-size: 22rem;
    inline-size: 22rem;
    inset-block-start: -7rem;
    inset-inline-end: -5rem;
  }

  .blob--bottom-left {
    block-size: 14rem;
    inline-size: 14rem;
    inset-block-end: 2rem;
    inset-inline-start: -7rem;
  }

  .blob--bottom-right {
    block-size: 17rem;
    inline-size: 17rem;
    inset-block-end: -6rem;
    inset-inline-end: 15%;
  }

  /* Visual stack — three tilted preview cards on the hero */
  .visual-stack {
    aspect-ratio: 1.25;
    block-size: 22rem;
    inline-size: 100%;
    max-inline-size: 32rem;
    position: relative;
  }

  .visual-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-l);
    box-shadow: 0 30px 60px -20px oklch(var(--lch-ink-darkest) / 0.22);
    padding: var(--space-m);
    position: absolute;
  }

  .visual-card--a {
    inline-size: 55%;
    inset-block-start: 18%;
    inset-inline-start: 5%;
    transform: rotate(-6deg);
  }

  .visual-card--b {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    inline-size: 50%;
    inset-block-start: 6%;
    inset-inline-end: 0;
    transform: rotate(6deg);
  }

  .visual-card__plot {
    --scatter-plot-size: 100%;
    flex: 1;
    min-block-size: 0;
  }

  .visual-card__plot .scatter-plot__chart {
    --scatter-plot-aspect: 100 / 80;
  }

  .visual-card__series {
    --series-color: var(--color-accent);
    --series-index: 1;
  }

  .visual-card--c {
    inline-size: 58%;
    inset-block-end: 8%;
    inset-inline-end: 16%;
    transform: rotate(-3deg);
  }

  .visual-card__caption {
    color: var(--color-ink-medium);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .visual-card__value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
  }

  .avatar-stack {
    display: flex;
    margin-block-start: var(--space-xs);
  }

  .avatar-stack .crest {
    --crest-size: 2rem;
  }

  .avatar-stack .crest:nth-child(1) { --crest-color: var(--color-card-3); }
  .avatar-stack .crest:nth-child(2) { --crest-color: var(--color-card-5); }
  .avatar-stack .crest:nth-child(3) { --crest-color: var(--color-card-6); }
  .avatar-stack .crest:nth-child(4) { --crest-color: var(--color-card-7); }

  .avatar-stack .crest:last-child {
    --crest-color: var(--color-sun);
    --crest-text-color: var(--color-ink);
  }

  .avatar-stack > * {
    border: 2px solid var(--color-surface);
    margin-inline-start: -0.5rem;
  }

  .avatar-stack > :first-child {
    margin-inline-start: 0;
  }
}