/* ── stack view ────────────────────────────── */
  #view-stack {
    padding: 160px 40px 140px 40px;
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
  }
  .stack-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
    margin-bottom: 48px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
  }
  .stack-eyebrow {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 14px;
  }
  .stack-title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 48px;
    line-height: 1;
    letter-spacing: -.015em;
    margin: 0;
  }
  .stack-count {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-mute);
    white-space: nowrap;
    padding-bottom: 6px;
  }
  .stack-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 56px 40px;
  }
  .stack-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    transition: transform .4s cubic-bezier(.2,.8,.2,1);
  }
  .stack-card:hover { transform: translateY(-4px); }
  .stack-thumb {
    aspect-ratio: 4 / 3;
    border: 1px solid var(--line);
    background: var(--bg-tint);
    overflow: hidden;
    margin-bottom: 18px;
    transition: border-color .25s;
  }
  .stack-card:hover .stack-thumb { border-color: var(--ink); }
  .stack-thumb svg { display: block; width: 100%; height: 100%; }
  .stack-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 10px;
  }
  .stack-card-title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 28px;
    line-height: 1.1;
    letter-spacing: -.01em;
    color: var(--ink);
    margin: 0 0 10px 0;
    transition: color .2s;
  }
  .stack-card:hover .stack-card-title { color: var(--accent); }
  .stack-summary {
    font-family: var(--serif);
    font-size: 15px;
    line-height: 1.5;
    color: var(--ink-soft);
    margin: 0 0 16px 0;
    text-wrap: pretty;
  }
  .stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }
  .stack-tag {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 4px 9px;
    border: 1px solid var(--line);
    border-radius: 999px;
  }