.about-copy {
  min-width: 0;
}

.developer-activity {
  --activity-0: rgba(244, 234, 215, 0.055);
  --activity-1: #263b2b;
  --activity-2: #33532f;
  --activity-3: #5c7a3f;
  --activity-4: #9aa84f;
  --activity-5: #d7a84f;
  margin-top: clamp(4.5rem, 10vh, 7.5rem);
  padding-top: 1.35rem;
  border-top: 1px solid var(--rule);
}

.activity-source-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--rule);
}

.activity-source-name,
.activity-source-detail,
.activity-primary {
  margin: 0;
}

.activity-source-name {
  color: var(--ink);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  font-weight: 500;
  line-height: 1.35;
}

.activity-source-detail {
  margin-top: 0.38rem;
  color: var(--ink-faint);
  font-size: 0.78rem;
  font-weight: 300;
}

.activity-primary {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-end;
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.activity-primary strong {
  display: block;
  padding: 0.06em 0.18em 0.1em 0.06em;
  margin: 0;
  overflow: visible;
  color: var(--accent-bright);
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-style: italic;
  font-variant-numeric: tabular-nums;
  font-weight: 350;
  line-height: 1.1;
  white-space: nowrap;
}

.activity-primary span {
  margin-top: 0.35rem;
}

.activity-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-bottom: 1px solid var(--rule);
}

.activity-metrics > div {
  min-width: 0;
  padding: 1rem 1rem 1rem 0;
}

.activity-metrics > div + div {
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
}

.activity-metrics dt {
  margin-bottom: 0.45rem;
  color: var(--ink-faint);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.activity-metrics dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 350;
  line-height: 1.4;
}

.activity-heatmap {
  position: relative;
  min-height: 4.5rem;
  padding-top: 1.35rem;
}

.activity-heatmap canvas {
  display: block;
  width: 100%;
  cursor: crosshair;
  touch-action: pan-y;
}

.activity-heatmap canvas:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.activity-tooltip {
  position: absolute;
  z-index: 3;
  box-sizing: border-box;
  width: max-content;
  max-width: min(24rem, calc(100% - 1rem));
  padding: 0.52rem 0.68rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: rgba(18, 29, 22, 0.98);
  box-shadow: 0 12px 28px rgba(4, 10, 6, 0.25);
  color: var(--ink);
  font-size: 0.7rem;
  line-height: 1.45;
  pointer-events: none;
  transform: translateY(calc(-100% - 0.55rem));
  white-space: normal;
  overflow-wrap: anywhere;
}

.activity-state {
  min-height: 1.5em;
  margin: 0.72rem 0 0;
  color: var(--ink-faint);
  font-size: 0.7rem;
  line-height: 1.5;
}

.activity-state:empty {
  visibility: hidden;
}

.activity-a11y-summary {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .developer-activity {
    margin-top: 3.5rem;
  }

  .activity-source-head {
    gap: 1rem;
  }

  .activity-primary strong {
    font-size: 1.55rem;
  }
}

@media (max-width: 560px) {
  .activity-source-head {
    display: grid;
    grid-template-columns: 1fr;
  }

  .activity-primary {
    justify-self: end;
  }
}