/* ── Page Header ── */
    .data-hero {
      padding: 8rem 0 3.5rem;
      border-bottom: 1px solid var(--border);
    }
    .data-hero h1 {
      margin-bottom: 1rem;
      max-width: 30rem;
    }
    .data-hero p {
      font-size: 1.0625rem;
      color: var(--grey);
      max-width: 30rem;
      line-height: 1.65;
      font-weight: 300;
    }

    /* ── Filter Bar ── */
    .filter-bar {
      position: sticky;
      top: 4rem;
      z-index: 90;
      background: rgba(31,31,31,0.97);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .filter-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 var(--pad);
      height: 56px;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .filter-group {
      display: flex;
      align-items: center;
      gap: 0.375rem;
    }
    .filter-divider {
      width: 1px;
      height: 20px;
      background: var(--border);
      margin: 0 0.75rem;
      flex-shrink: 0;
    }
    .chip {
      height: 30px;
      padding: 0 0.9rem;
      border-radius: var(--r-pill);
      border: 1px solid var(--border);
      background: transparent;
      color: var(--grey);
      font-family: var(--f);
      font-size: 0.8125rem;
      font-weight: 500;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.15s;
    }
    .chip:hover {
      border-color: var(--charcoal);
      color: var(--white);
    }
    .chip.on {
      background: var(--salmon-dim);
      border-color: var(--salmon-bdr);
      color: var(--salmon);
      font-weight: 500;
    }
    .filter-count {
      margin-left: auto;
      font-size: 0.8125rem;
      color: var(--charcoal);
      flex-shrink: 0;
    }
    .filter-count b {
      color: var(--grey);
      font-weight: 500;
    }

    /* ── Grid Area ── */
    .grid-area {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 2.5rem var(--pad) 6rem;
    }

    /* Category box */
    .cat-box {
      border: 1px solid var(--border);
      border-radius: var(--r-card);
      overflow: hidden;
      margin-bottom: 1.5rem;
    }
    .cat-header {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      padding: 1rem 1.375rem;
      border-bottom: 1px solid var(--border);
    }
    .cat-pip {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      flex-shrink: 0;
    }
    .cat-title {
      font-size: 0.6875rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--charcoal);
    }
    .cat-count {
      font-size: 0.6875rem;
      font-weight: 500;
      color: var(--border);
      margin-left: 0.25rem;
    }

    /* Tiles */
    .tiles {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      background: var(--border);
      gap: 1px;
    }
    .tile {
      background: var(--dark);
      padding: 1.5rem 1.375rem 1.625rem;
      transition: background 0.12s;
      display: flex;
      flex-direction: column;
    }
    .tile:hover {
      background: var(--surface);
    }
    .tile.hidden {
      display: none;
    }
    .tile-icon {
      width: 32px;
      height: 32px;
      margin-bottom: 0.875rem;
      color: var(--grey);
      flex-shrink: 0;
    }
    .tile-icon svg {
      width: 100%;
      height: 100%;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.5;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    .tile-name {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--white);
      line-height: 1.3;
      margin-bottom: 0.375rem;
    }
    .tile-desc {
      font-size: 0.875rem;
      font-weight: 300;
      color: var(--grey);
      line-height: 1.6;
      flex: 1;
    }
    .tile-teams {
      display: flex;
      flex-wrap: wrap;
      gap: 0.25rem;
      margin-top: 1rem;
    }
    .t-tag {
      font-size: 0.6875rem;
      font-weight: 500;
      color: var(--charcoal);
      border: 1px solid var(--border);
      padding: 0.1rem 0.4rem;
      border-radius: 0.25rem;
      letter-spacing: 0.03em;
    }

    /* Empty state */
    .empty-state {
      display: none;
      text-align: center;
      padding: 4rem 2rem;
      color: var(--charcoal);
      font-size: 0.9375rem;
    }
    .empty-state.show {
      display: block;
    }

    /* ── Bottom CTA ── */
    .cta-area {
      max-width: var(--max-w);
      margin: 0 auto 5rem;
      padding: 0 var(--pad);
    }
    .cta-box {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-card);
      padding: 3rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2.5rem;
    }
    .cta-box h3 {
      font-size: 1.5rem;
      font-weight: 500;
      line-height: 1.3;
      margin-bottom: 0.5rem;
    }
    .cta-box p {
      font-size: 1rem;
      color: var(--grey);
      max-width: 26rem;
      font-weight: 300;
    }
    .cta-btns {
      display: flex;
      gap: 0.75rem;
      flex-shrink: 0;
    }

    @media (max-width: 860px) {
      .tiles { grid-template-columns: repeat(2, 1fr); }
      .cta-box { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 520px) {
      .tiles { grid-template-columns: 1fr; }
      .filter-inner { overflow-x: auto; flex-wrap: nowrap; gap: 0.25rem; }
    }