@layer elements {

  /* ── IDENTITY ────────────────────────────────────────────────────────── */
  .identity {
    padding: 96px 0 80px;
    border-bottom: 1px solid var(--color-rule);
    max-width: 840px;
  }

  .identity__name {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .identity__name::before {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--color-rule);
  }

  .identity__sentence {
    font-size: var(--size-3xl);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--color-ink);
  }

  .identity__sentence em {
    font-style: italic;
    color: var(--color-ink-mid);
  }

  /* ── ROOM MAP ────────────────────────────────────────────────────────── */
  .room-map {
    padding: 64px 0 0;
  }

  .room-map__label {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .room-map__label::after {
    content: '';
    flex: 1;
    max-width: 200px;
    height: 1px;
    background: var(--color-rule);
  }

  .room-map__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
  }

  /* ── ROOM CARD ───────────────────────────────────────────────────────── */
  .room {
    background: var(--color-block-bg);
    padding: 28px 28px 24px;
    text-decoration: none;
    display: block;
    transition: background 0.12s ease;
    position: relative;
  }

  .room:hover { background: var(--color-block-hover); }
  .room:hover .room__arrow { color: var(--color-accent); transform: translateX(3px); }

  .room__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
  }

  .room__numeral {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    color: var(--color-accent);
    letter-spacing: 0.08em;
  }

  .room__count {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    color: var(--color-ink-muted);
    letter-spacing: 0.06em;
  }

  .room__name {
    font-family: var(--font-body);
    font-size: var(--size-xl);
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    line-height: var(--leading-tight);
    margin-bottom: 10px;
  }

  .room__desc {
    font-family: var(--font-body);
    font-style: italic;
    font-size: var(--size-sm);
    color: var(--color-ink-mid);
    line-height: 1.55;
    margin-bottom: 24px;
  }

  .room__footer {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-top: 1px solid var(--color-rule);
    padding-top: 12px;
  }

  .room__recent {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
  }

  .room__arrow {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    color: var(--color-rule);
    transition: color 0.12s ease, transform 0.12s ease;
    display: inline-block;
  }

  /* ── LIBRARY COUNT ───────────────────────────────────────────────────── */
  .library-count {
    padding: 40px 0 0;
    display: flex;
    align-items: baseline;
    gap: 16px;
  }

  .library-count__number {
    font-family: var(--font-body);
    font-size: var(--size-2xl);
    font-weight: 400;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    line-height: 1;
  }

  .library-count__label {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
  }

  /* ── NOW PREVIEW ─────────────────────────────────────────────────────── */
  .now-preview {
    margin-top: auto;
    padding: 40px 0 64px;
    border-top: 1px solid var(--color-rule);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 40px;
  }

  .now-preview__label {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    flex-shrink: 0;
  }

  .now-preview__items {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    flex: 1;
  }

  .now-preview__item {
    font-family: var(--font-body);
    font-size: var(--size-sm);
    color: var(--color-ink-mid);
    font-style: italic;
  }

  .now-preview__link {
    font-family: var(--font-mono);
    font-size: var(--size-xs);
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    text-decoration: none;
    flex-shrink: 0;
  }

  .now-preview__link:hover { color: var(--color-accent); }

  /* ── HOME MAIN ───────────────────────────────────────────────────────── */
  .main--home {
    display: flex;
    flex-direction: column;
  }

  /* ── RESPONSIVE ──────────────────────────────────────────────────────── */
  @media (max-width: 1100px) {
    .room-map__grid { grid-template-columns: repeat(3, 1fr); }
  }

  @media (max-width: 768px) {
    .identity { padding: 56px 0 48px; }
    .identity__sentence { font-size: var(--size-2xl); }
    .room-map__grid { grid-template-columns: repeat(2, 1fr); }
    .now-preview { flex-direction: column; gap: 16px; }
    .now-preview__items { gap: 12px; flex-direction: column; }
  }

}