.notebook-projects h2 {
  margin: 0 0 1rem;
  font: 500 clamp(1.65rem, 3.4vw, 2.5rem)/1.12 var(--display);
  letter-spacing: -.045em;
}

.notebook-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: .45rem;
  background: var(--surface);
}

.notebook-project {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  justify-items: start;
  padding: clamp(1.15rem, 2.6vw, 2rem);
}
.notebook-project + .notebook-project { border-inline-start: 1px solid var(--line); }

.notebook-project h3 {
  margin-block: .15rem .35rem;
  font: 500 clamp(1.4rem, 2.4vw, 1.9rem)/1.12 var(--display);
  letter-spacing: -.04em;
}
.notebook-project h3 a {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 44px;
  text-decoration: none;
}
.notebook-project h3 a span {
  font: 600 1rem var(--body);
  transition: transform .23s var(--ease);
}
.notebook-project h3 a:hover span { transform: translateX(3px); }
.notebook-project p:not(.eyebrow) { max-width: 36ch; color: var(--muted); font-size: .95rem; }
.notebook-project .sub-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: .45rem; font-size: .9rem; }
.notebook-projects + .archive { margin-top: clamp(2.75rem, 6vw, 5.5rem); padding-bottom: 0; }
.notebook-reading-guide { margin-block: clamp(2.75rem, 6vw, 5.5rem); padding: clamp(1.15rem, 3vw, 2.35rem); gap: clamp(1rem, 4vw, 3.5rem); }
.notebook-reading-guide h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); }

@media (max-width: 720px) {
  .notebook-project-grid { grid-template-columns: minmax(0, 1fr); }
  .notebook-project + .notebook-project { border-inline-start: 0; border-block-start: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  .notebook-project h3 a span { transition: none; }
  .notebook-project h3 a:hover span { transform: none; }
}

.archive-date-note {
  margin: .55rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.archive-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .65rem 1.5rem;
  margin: 1.5rem 0 1rem;
}

.archive-toolbar:has(.note-filter[hidden]) { display: none; }

.archive-toolbar .note-filter {
  gap: .3rem;
  margin: 0;
}

.archive-toolbar .note-filter button {
  position: relative;
  min-height: 44px;
  padding: .55rem .85rem;
  border-color: transparent;
  border-radius: .35rem;
  font-size: .89rem;
  font-weight: 650;
  white-space: nowrap;
}

.archive-toolbar .note-filter button:hover {
  background: var(--surface);
  color: var(--ink);
}

.archive-toolbar .note-filter button[aria-pressed="true"] {
  background: #efe2d7;
  color: var(--accent);
}

.filter-indicator {
  position: absolute;
  z-index: 1;
  inset: auto .8rem .25rem;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
  pointer-events: none;
}

.archive-toolbar .note-count {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.archive-list {
  position: relative;
  overflow-anchor: none;
}

.archive-list .note-kind {
  padding: .15rem .5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .76rem;
  line-height: 1.4;
}

@media (max-width: 420px) {
  .archive-toolbar .note-filter { gap: .2rem; }
  .archive-toolbar .note-filter button { padding-inline: .55rem; }
  .filter-indicator { inset-inline: .55rem; }
}