@layer components {
  .app-shell { width: min(100% - (2 * var(--space-page)), var(--content-width)); margin-inline: auto; }
  .skip-link { position: fixed; z-index: 20; inset: .75rem auto auto .75rem; padding: .7rem 1rem; border-radius: var(--radius-small); background: var(--color-text); color: var(--color-surface); transform: translateY(-180%); }
  .skip-link:focus { transform: translateY(0); }
  .app-header { position: relative; z-index: 10; border-bottom: 1px solid var(--color-border); background: color-mix(in srgb, var(--color-surface) 92%, transparent); }
  .app-header__content { display: flex; min-height: 4.7rem; align-items: center; justify-content: space-between; gap: 1rem; }
  .app-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--color-text); font-size: 1.15rem; font-weight: 800; text-decoration: none; }
  .app-brand__mark { display: grid; width: 2.2rem; aspect-ratio: 1; place-items: center; border-radius: 50% 50% 45% 55%; background: var(--color-brand-strong); color: var(--color-surface); font-family: Georgia, serif; }
  .app-nav { display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; list-style: none; }
  .app-nav a { display: inline-block; padding: .55rem .7rem; border-radius: var(--radius-small); color: var(--color-text); font-weight: 650; text-decoration: none; }
  .app-nav a:hover { background: var(--color-surface-soft); }
  .eyebrow { color: var(--color-accent); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
  .button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; padding: .72rem 1.15rem; border: 2px solid var(--color-brand-strong); border-radius: .8rem; background: var(--color-brand-strong); color: var(--color-surface); font-weight: 750; text-decoration: none; }
  .button:hover { background: var(--color-accent); border-color: var(--color-accent); color: #20150f; }
  .button--secondary { background: transparent; color: var(--color-brand-strong); }
  .notice { padding: 1rem 1.15rem; border-inline-start: .35rem solid var(--color-accent); border-radius: 0 var(--radius-small) var(--radius-small) 0; background: var(--color-surface-soft); }
  .notice > :last-child { margin-bottom: 0; }
  .card { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-large); background: var(--color-surface); box-shadow: var(--shadow-card); }
  .app-footer { border-top: 1px solid var(--color-border); background: var(--color-surface-soft); }
  .app-footer__content { display: grid; gap: .65rem; padding-block: 2.2rem; }
  .app-footer p { margin: 0; }
  .app-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
  .app-footer__review { color: var(--color-text-muted); font-size: .9rem; }
  @media (max-width: 38rem) {
    .app-header__content { align-items: flex-start; flex-direction: column; padding-block: .8rem; }
    .app-nav a { padding-inline: 0; margin-inline-end: .8rem; }
  }
}