/* Home-only client proof. Existing site color and font tokens stay authoritative. */
.portfolio-proof {
  --portfolio-gap: clamp(2.5rem, 5vw, 4.5rem);
  --portfolio-cycle: 1120px;
  --portfolio-duration: 62.222222s;
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-block: clamp(2.75rem, 6vw, 4.5rem) .5rem;
  border-top: 1px solid var(--line, #d2d2d7);
  color: var(--ink, #1d1d1f);
}
.portfolio-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin: 0 0 clamp(2.5rem, 5.5vw, 4rem); }
.portfolio-metrics > div { min-width: 0; }
.portfolio-metrics dt { font-size: clamp(2.75rem, 5.7vw, 4.75rem); font-weight: 650; line-height: 1.05; letter-spacing: -.04em; font-variant-numeric: lining-nums tabular-nums; }
.portfolio-metrics dd { margin: .6rem 0 0; color: var(--muted, #6e6e73); font-size: clamp(.875rem, 1.7vw, 1.0625rem); line-height: 1.45; letter-spacing: -.008em; }
.portfolio-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.portfolio-heading-row h2 { max-width: 30ch; margin: 0; font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 650; line-height: 1.1; letter-spacing: -.03em; text-wrap: balance; }
.portfolio-toggle { display: inline-grid; flex: 0 0 auto; width: 44px; height: 44px; place-items: center; padding: 0; border: 0; border-radius: 50%; color: var(--ink, #1d1d1f); background: #e8e8ed; cursor: pointer; touch-action: manipulation; transition: background-color 150ms ease; }
.portfolio-toggle[hidden] { display: none; }
.portfolio-toggle svg { width: 20px; height: 20px; grid-area: 1 / 1; }
.portfolio-play-icon { display: none; }
.portfolio-proof[data-portfolio-user-paused="true"] .portfolio-pause-icon { display: none; }
.portfolio-proof[data-portfolio-user-paused="true"] .portfolio-play-icon { display: block; }
.portfolio-toggle:active { background: #d2d2d7; }
.portfolio-viewport { width: 100%; overflow-x: auto; overflow-y: hidden; padding-block: 6px 14px; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; scrollbar-width: thin; scrollbar-color: var(--line, #d2d2d7) transparent; direction: ltr; }
.portfolio-track { position: relative; display: flex; align-items: center; width: max-content; transform: none; }
.portfolio-group { display: flex; flex: 0 0 auto; align-items: center; gap: var(--portfolio-gap); margin: 0; padding: 0 var(--portfolio-gap) 0 0; list-style: none; }
.portfolio-card { display: flex; flex: 0 0 auto; align-items: center; gap: clamp(1rem, 2vw, 1.5rem); width: max-content; max-width: min(20rem, calc(100vw - 40px)); min-width: 0; padding: .75rem 0; overflow-wrap: anywhere; }
.portfolio-logo { display: block; flex: 0 0 auto; width: clamp(64px, 6vw, 84px); height: clamp(64px, 6vw, 84px); max-width: 100%; object-fit: contain; }
.portfolio-card h3 { width: max-content; max-width: 13ch; margin: 0; color: var(--ink, #1d1d1f); font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 600; line-height: 1.2; letter-spacing: -.018em; text-align: start; text-wrap: balance; }
.portfolio-clone { display: flex; }
.portfolio-proof[data-portfolio-static="true"] .portfolio-clone { display: none; }
.portfolio-proof[data-portfolio-mode="auto"] .portfolio-viewport { overflow-x: hidden; }
.portfolio-proof[data-portfolio-mode="auto"] .portfolio-track { animation: portfolio-drift var(--portfolio-duration) linear infinite; animation-play-state: paused; }
.portfolio-proof[data-portfolio-running="true"] .portfolio-track { animation-play-state: running; will-change: transform; }
.portfolio-proof :is(button, a, li, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus, #0071e3); outline-offset: 3px; }
[dir="rtl"] .portfolio-card h3 { direction: rtl; }
@keyframes portfolio-drift { from { transform: translate3d(calc(-1 * var(--portfolio-cycle)), 0, 0); } to { transform: translate3d(0, 0, 0); } }
.portfolio-history { margin-top: clamp(1.5rem, 3vw, 2.5rem); border-top: 1px solid var(--line, #d2d2d7); border-bottom: 1px solid var(--line, #d2d2d7); }
.portfolio-history > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 52px; padding-block: 14px; color: var(--muted, #6e6e73); font-size: .8125rem; font-weight: 500; line-height: 1.45; cursor: pointer; list-style: none; }
.portfolio-history > summary::-webkit-details-marker { display: none; }
.portfolio-history > summary::marker { content: ''; }
.portfolio-history-chevron { flex: 0 0 auto; width: 8px; height: 8px; margin-inline-end: 3px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); }
.portfolio-history[open] > summary .portfolio-history-chevron { transform: rotate(225deg); }
.portfolio-history-list { margin: 0; padding: 0; list-style: none; }
.portfolio-history-item { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); gap: 1.5rem; padding: 1.2rem 0; border-top: 1px solid var(--line, #d2d2d7); }
.portfolio-history-item > h3 { margin: .15rem 0 0; color: var(--ink, #1d1d1f); font-size: 1rem; font-weight: 600; line-height: 1.3; letter-spacing: -.01em; }
.portfolio-ath { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: 'label value' 'date source' 'checked source'; align-items: center; gap: 3px 1rem; }
.portfolio-ath-label { grid-area: label; margin: 0; color: var(--muted, #6e6e73); font-size: .6875rem; line-height: 1.45; }
.portfolio-ath-value { grid-area: value; margin: 0; color: var(--ink, #1d1d1f); font-size: 1.0625rem; font-weight: 600; line-height: 1.25; letter-spacing: -.015em; font-variant-numeric: tabular-nums; text-align: end; }
.portfolio-ath-date, .portfolio-checked { margin: 0; color: var(--muted, #6e6e73); font-size: .6875rem; line-height: 1.45; }
.portfolio-ath-date { grid-area: date; }
.portfolio-checked { grid-area: checked; }
.portfolio-source { grid-area: source; justify-self: end; display: inline-flex; align-items: center; gap: .25rem; min-height: 44px; color: #0066cc; font-size: .6875rem; line-height: 1.4; text-decoration: none; }
.portfolio-source svg { flex: 0 0 auto; width: 12px; height: 12px; }
@media (hover: hover) and (pointer: fine) {
  .portfolio-toggle:hover { background: #dcdce2; }
  .portfolio-source:hover { text-decoration: underline; }
  .portfolio-history > summary:hover { color: var(--ink, #1d1d1f); }
}
@media (max-width: 600px) {
  .portfolio-history-item { grid-template-columns: minmax(0, 1fr); gap: .6rem; }
}
@media (max-width: 420px) {
  .portfolio-metrics { gap: 1.2rem; }
  .portfolio-heading-row { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-proof .portfolio-track { animation: none !important; transform: none !important; }
  .portfolio-proof .portfolio-viewport { overflow-x: auto !important; }
  .portfolio-proof .portfolio-clone, .portfolio-toggle { display: none !important; }
  .portfolio-toggle { transition: none; }
}
@media (prefers-contrast: more) {
  .portfolio-history { border-color: var(--ink, #1d1d1f); }
  .portfolio-proof :is(.portfolio-history > summary, .portfolio-ath-label, .portfolio-ath-date, .portfolio-checked) { color: var(--ink, #1d1d1f); }
}
@media (forced-colors: active) {
  .portfolio-history { border-color: CanvasText; }
  .portfolio-toggle { border: 1px solid ButtonText; background: ButtonFace; color: ButtonText; }
}