body[data-architecture-pack="visual_showcase"] .ap-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 72px);
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__nav {
  width: min(1280px, calc(100% - 32px));
  margin: clamp(12px, 2vw, 28px) auto 0;
  padding: clamp(6px, .8vw, 10px);
  border: 1px solid var(--surface-strong);
  border-radius: calc(var(--radius-card) + 4px);
  background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  box-shadow: 0 18px 50px color-mix(in srgb, var(--shadow) 58%, transparent);
  box-sizing: border-box;
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__nav nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(6px, 1.2vw, 14px);
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__nav a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 8px clamp(14px, 2vw, 24px);
  border: 1px solid color-mix(in srgb, var(--surface-strong) 72%, transparent);
  border-radius: var(--radius-button);
  background: color-mix(in srgb, var(--surface) 74%, transparent);
  color: var(--text);
  font-size: clamp(12px, .9vw, 14px);
  font-weight: 750;
  line-height: 1;
  letter-spacing: .02em;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    translate 160ms ease;
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__nav a:hover {
  border-color: var(--axis-accent, var(--accent));
  background: color-mix(
    in srgb,
    var(--axis-accent, var(--accent)) 18%,
    var(--bg-2)
  );
  color: var(--text);
  translate: 0 -1px;
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__nav a:focus-visible {
  border-color: var(--axis-accent, var(--accent));
  outline: 3px solid color-mix(
    in srgb,
    var(--axis-accent, var(--accent)) 42%,
    transparent
  );
  outline-offset: 2px;
}
body[data-architecture-pack="visual_showcase"] .ap-showcase__canvas {
  display: grid;
  /*
   * The source-profile shell is intentionally flattened with display:contents.
   * Keep its header, main and footer on one full-width track; the eight-column
   * mosaic inside main owns the asymmetric 5/3 composition.
   */
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 3vw, 54px);
}