/* Research Lab interactions v2
   A restrained motion system for an academic portfolio: reveal, focus, slide, and drag. */

:root {
  --lab-blue: #2f82bd;
  --lab-blue-deep: #155d91;
  --lab-blue-soft: #eaf5fc;
  --lab-line: rgba(77, 146, 194, 0.26);
  --lab-ease: cubic-bezier(.22, 1, .36, 1);
}

/* Remove the rejected auxiliary navigation and unintended trace line. */
.section-rail { display: none !important; }
#research .research-chain::before,
#research .research-chain::after { display: none !important; content: none !important; }
#research .method-card > .surface-sheen { display: none !important; }

/* Evidence cards: focus behaves like a compact elastic carousel without reflow. */
.paper-list {
  isolation: isolate;
}

.paper-list li {
  transform-origin: 50% 62%;
  transition:
    transform 460ms var(--lab-ease),
    opacity 300ms ease,
    filter 360ms ease,
    border-color 220ms ease,
    box-shadow 360ms var(--lab-ease) !important;
}

@media (hover: hover) and (pointer: fine) {
  .paper-list:hover li:not(:hover) {
    opacity: .78;
    filter: saturate(.78);
    transform: translateY(3px) scale(.975);
  }

  .paper-list li:hover {
    z-index: 8;
    opacity: 1;
    filter: none;
    transform: translateY(-9px) scale(1.026);
    border-color: rgba(50, 132, 193, .42) !important;
    box-shadow: 0 30px 70px rgba(36, 86, 126, .16) !important;
  }
}

/* Support board: every cell, including Languages & Tools, gets the same response. */
.support-matrix > section {
  isolation: isolate;
  transition: background-color 260ms ease, box-shadow 320ms var(--lab-ease), border-color 260ms ease !important;
}

.support-matrix > section:hover {
  z-index: 2;
  background: linear-gradient(145deg, rgba(238, 248, 255, .96), rgba(252, 254, 255, .98)) !important;
  box-shadow: inset 3px 0 0 rgba(65, 145, 204, .52), 0 14px 34px rgba(45, 94, 132, .08) !important;
}

/* Project chapter: direction-aware editorial slides. */
.studio-shell::before,
.studio-shell::after { display: none !important; content: none !important; }

.studio-shell {
  isolation: isolate;
  box-shadow: 0 24px 68px rgba(37, 83, 119, .10) !important;
}

.studio {
  transform-origin: 50% 30%;
}

.studio.is-entering-right { animation: studioSlideFromRight 560ms var(--lab-ease) both !important; }
.studio.is-entering-left { animation: studioSlideFromLeft 560ms var(--lab-ease) both !important; }
.studio.is-leaving-right,
.studio.is-leaving-left {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid !important;
  pointer-events: none;
}
.studio.is-leaving-right { animation: studioSlideToLeft 520ms var(--lab-ease) both !important; }
.studio.is-leaving-left { animation: studioSlideToRight 520ms var(--lab-ease) both !important; }

.studio.is-entering-left .studio-copy,
.studio.is-entering-right .studio-copy,
.studio.is-entering-left .studio-gallery button,
.studio.is-entering-right .studio-gallery button {
  animation: studioDetailIn 560ms var(--lab-ease) both;
  animation-delay: calc(var(--stagger-delay, 0ms) + 60ms);
}

@keyframes studioSlideFromRight {
  from { opacity: 0; transform: translateX(7%) scale(.985); clip-path: inset(0 0 0 18% round 14px); }
  to { opacity: 1; transform: none; clip-path: inset(0 round 14px); }
}
@keyframes studioSlideFromLeft {
  from { opacity: 0; transform: translateX(-7%) scale(.985); clip-path: inset(0 18% 0 0 round 14px); }
  to { opacity: 1; transform: none; clip-path: inset(0 round 14px); }
}
@keyframes studioSlideToLeft { to { opacity: 0; transform: translateX(-4%) scale(.985); } }
@keyframes studioSlideToRight { to { opacity: 0; transform: translateX(4%) scale(.985); } }
@keyframes studioDetailIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* Proposal chapter: a brief dossier unseal, then clean directional switching. */
.proposal-stage {
  position: relative;
  isolation: isolate;
}

.proposal-dossier-reveal {
  position: absolute;
  z-index: 40;
  inset: 0;
  min-height: 31rem;
  overflow: hidden;
  border: 1px solid rgba(73, 144, 196, .25);
  border-radius: 14px;
  pointer-events: auto;
}

.dossier-sheet {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 5rem);
  color: #174d74;
  background:
    linear-gradient(rgba(81, 149, 196, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(81, 149, 196, .06) 1px, transparent 1px),
    linear-gradient(145deg, rgba(248, 252, 255, .98), rgba(222, 241, 253, .98));
  background-size: 56px 56px, 56px 56px, auto;
  transition: transform 780ms var(--lab-ease), filter 680ms ease;
}

.dossier-sheet-left {
  clip-path: polygon(0 0, 59% 0, 49% 100%, 0 100%);
  align-items: flex-start;
}
.dossier-sheet-right {
  clip-path: polygon(59% 0, 100% 0, 100% 100%, 49% 100%);
  align-items: flex-end;
}
.dossier-sheet span {
  font-size: .72rem;
  font-weight: 820;
  letter-spacing: .18em;
}
.dossier-sheet strong {
  margin-top: .7rem;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}
.dossier-sheet i {
  font-size: clamp(3rem, 8vw, 7rem);
  font-style: normal;
  font-weight: 880;
  color: rgba(42, 118, 173, .12);
}
.dossier-seal {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 54%;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(145deg, #67a9d5, #287db9);
  box-shadow: 0 14px 34px rgba(31, 96, 143, .22), 0 0 0 8px rgba(102, 173, 219, .12);
  transform: translate(-50%, -50%);
  transition: transform 460ms var(--lab-ease), opacity 260ms ease;
}
.dossier-seal span { font-size: .65rem; font-weight: 850; letter-spacing: .16em; }
.proposal-dossier-reveal:hover .dossier-seal { transform: translate(-50%, -50%) rotate(-7deg) scale(1.07); }
.proposal-dossier-reveal.is-unsealed { pointer-events: none; }
.proposal-dossier-reveal.is-unsealed .dossier-sheet-left { transform: translateX(-105%); filter: brightness(1.04); }
.proposal-dossier-reveal.is-unsealed .dossier-sheet-right { transform: translateX(105%); filter: brightness(1.04); }
.proposal-dossier-reveal.is-unsealed .dossier-seal { opacity: 0; transform: translate(-50%, -50%) rotate(18deg) scale(.76); }

.proposal-screen.proposal-enter-right { animation: proposalFromRight 600ms var(--lab-ease) both !important; }
.proposal-screen.proposal-enter-left { animation: proposalFromLeft 600ms var(--lab-ease) both !important; }
.proposal-screen.proposal-exit-right,
.proposal-screen.proposal-exit-left {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block !important;
  pointer-events: none;
}
.proposal-screen.proposal-exit-right { animation: proposalToLeft 500ms var(--lab-ease) both !important; }
.proposal-screen.proposal-exit-left { animation: proposalToRight 500ms var(--lab-ease) both !important; }

@keyframes proposalFromRight {
  from { opacity: 0; transform: translateX(44px); clip-path: inset(0 0 0 12% round 12px); }
  to { opacity: 1; transform: none; clip-path: inset(0 round 12px); }
}
@keyframes proposalFromLeft {
  from { opacity: 0; transform: translateX(-44px); clip-path: inset(0 12% 0 0 round 12px); }
  to { opacity: 1; transform: none; clip-path: inset(0 round 12px); }
}
@keyframes proposalToLeft { to { opacity: 0; transform: translateX(-28px); } }
@keyframes proposalToRight { to { opacity: 0; transform: translateX(28px); } }

.research-memo {
  display: grid;
  gap: .38rem;
  width: 100%;
  margin-top: .9rem;
  border: 1px dashed rgba(48, 128, 186, .34);
  border-radius: 9px;
  padding: .65rem .75rem;
  color: #296f9f;
  text-align: left;
  background: rgba(237, 248, 255, .76);
  cursor: pointer;
  transition: background-color 220ms ease, transform 260ms var(--lab-ease), box-shadow 260ms ease;
}
.research-memo span { font-size: .68rem; font-weight: 820; letter-spacing: .08em; }
.research-memo strong {
  max-height: 0;
  overflow: hidden;
  color: #173f5f;
  font-size: .78rem;
  line-height: 1.55;
  opacity: 0;
  transform: translateY(-4px);
  transition: max-height 340ms var(--lab-ease), opacity 220ms ease, transform 340ms var(--lab-ease);
}
.research-memo:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(39, 98, 139, .10); }
.research-memo.is-open { background: #f7fcff; }
.research-memo.is-open strong { max-height: 5rem; opacity: 1; transform: none; }

#proposal .phase-card,
#proposal .contribution-grid section {
  transition: transform 320ms var(--lab-ease), border-color 220ms ease, box-shadow 320ms var(--lab-ease), background-color 220ms ease !important;
}
@media (hover: hover) and (pointer: fine) {
  #proposal .phase-card:hover,
  #proposal .contribution-grid section:hover {
    z-index: 2;
    transform: translateY(-5px);
    border-color: rgba(57, 137, 195, .36) !important;
    box-shadow: 0 22px 48px rgba(42, 90, 127, .11) !important;
    background-color: rgba(248, 252, 255, .98) !important;
  }
}

/* Reader: direct manipulation, visual tension, and inertial release. */
.reader-carousel {
  transform: translateX(var(--reader-drag-x, 0px));
  transition: transform 420ms var(--lab-ease);
}
.reader-carousel.is-dragging { transition: none; cursor: grabbing; }
.reader-carousel.is-settling { transition: transform 420ms var(--lab-ease); }
.reader-carousel::after {
  content: "拖动浏览  DRAG TO EXPLORE";
  position: absolute;
  z-index: 20;
  right: 1rem;
  top: 1rem;
  border: 1px solid rgba(67, 139, 190, .22);
  border-radius: 999px;
  padding: .42rem .7rem;
  color: rgba(31, 92, 134, .68);
  background: rgba(248, 252, 255, .82);
  backdrop-filter: blur(8px);
  font-size: .63rem;
  font-weight: 760;
  letter-spacing: .08em;
  pointer-events: none;
  transition: opacity 220ms ease, transform 260ms var(--lab-ease);
}
.reader-carousel.is-dragging::after { opacity: .35; transform: scale(.94); }

/* A small optional discovery moment on the hero name, not a permanent label. */
.kinetic-title > span:nth-child(2) {
  position: relative;
  overflow: visible;
}
.kinetic-title > span:nth-child(2)::after {
  content: "USER RESEARCH  ·  SYSTEM ANALYSIS  ·  DESIGN TRANSLATION";
  position: absolute;
  left: .08em;
  top: calc(100% + .35rem);
  width: max-content;
  color: rgba(221, 239, 250, .56);
  font-size: .16em;
  font-weight: 650;
  letter-spacing: .13em;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 260ms ease, transform 360ms var(--lab-ease);
}
.kinetic-title > span:nth-child(2):hover::after { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .paper-list li,
  .studio,
  .studio-copy,
  .studio-gallery button,
  .proposal-screen,
  .dossier-sheet,
  .dossier-seal,
  .research-memo,
  .research-memo strong,
  .reader-carousel,
  .kinetic-title > span:nth-child(2)::after {
    animation: none !important;
    transition: none !important;
  }
  .proposal-dossier-reveal { display: none !important; }
  .paper-list:hover li,
  .paper-list li:hover,
  #proposal .phase-card:hover,
  #proposal .contribution-grid section:hover { transform: none !important; opacity: 1 !important; filter: none !important; }
}

/* Motion polish v3 ---------------------------------------------------------
   One motion channel per interaction, staged entrances, no drag-only affordance. */

/* The evidence axis remains; the decorative midpoint icon does not. */
.support-matrix > section::before {
  content: none !important;
  display: none !important;
}

.support-matrix > section > span {
  padding-left: 34px !important;
  transition: color 220ms ease, transform 420ms var(--lab-ease), background-color 260ms ease;
}

.support-matrix > section li {
  transition: color 220ms ease, transform 420ms var(--lab-ease);
}

@media (hover: hover) and (pointer: fine) {
  .support-matrix > section:hover > span {
    color: #0e5f97;
    transform: translateX(4px);
  }

  .support-matrix > section:hover li {
    transform: translateX(3px);
  }

  .support-matrix > section:hover li:nth-child(2) { transition-delay: 45ms; }
  .support-matrix > section:hover li:nth-child(3) { transition-delay: 80ms; }
  .support-matrix > section:hover li:nth-child(4) { transition-delay: 115ms; }
}

/* Method trace: labels are UI markers, not selectable document text. */
#research .method-card > span {
  user-select: none;
  -webkit-user-select: none;
}

#research .method-card h3,
#research .method-card small {
  transition: color 220ms ease, transform 440ms var(--lab-ease), opacity 320ms ease !important;
}

@media (hover: hover) and (pointer: fine) {
  #research .method-card:hover > span { transform: translateY(-3px); }
  #research .method-card:hover h3 { transform: translateY(-2px); }
  #research .method-card:hover small { transform: translateY(2px); opacity: .86; }
}

/* Projects: a single editorial page-turn. No extra fade or nested reveal. */
.studio-shell { perspective: 1800px; }
.studio.active { animation: none !important; }
.studio-shell.reveal.visible .studio-gallery button { animation: none !important; }
.studio.is-entering-left .studio-copy,
.studio.is-entering-right .studio-copy,
.studio.is-entering-left .studio-gallery button,
.studio.is-entering-right .studio-gallery button {
  animation: none !important;
}

.studio.is-entering-right {
  z-index: 2;
  transform-origin: 100% 50%;
  animation: studioPageFromRight 680ms var(--lab-ease) both !important;
}
.studio.is-entering-left {
  z-index: 2;
  transform-origin: 0 50%;
  animation: studioPageFromLeft 680ms var(--lab-ease) both !important;
}
.studio.is-leaving-right {
  transform-origin: 0 50%;
  animation: studioPageToLeft 620ms var(--lab-ease) both !important;
}
.studio.is-leaving-left {
  transform-origin: 100% 50%;
  animation: studioPageToRight 620ms var(--lab-ease) both !important;
}

@keyframes studioPageFromRight {
  from { transform: translateX(4.5%) rotateY(-3deg); clip-path: inset(0 0 0 100% round 14px); }
  to { transform: none; clip-path: inset(0 round 14px); }
}
@keyframes studioPageFromLeft {
  from { transform: translateX(-4.5%) rotateY(3deg); clip-path: inset(0 100% 0 0 round 14px); }
  to { transform: none; clip-path: inset(0 round 14px); }
}
@keyframes studioPageToLeft {
  from { transform: none; clip-path: inset(0 round 14px); }
  to { transform: translateX(-3%) rotateY(2deg); clip-path: inset(0 100% 0 0 round 14px); }
}
@keyframes studioPageToRight {
  from { transform: none; clip-path: inset(0 round 14px); }
  to { transform: translateX(3%) rotateY(-2deg); clip-path: inset(0 0 0 100% round 14px); }
}

/* Proposal: remove the split cover and use a calm, staggered editorial reveal. */
.proposal-dossier-reveal { display: none !important; }

.proposal-screen.proposal-enter-right,
.proposal-screen.proposal-enter-left {
  animation: proposalSoftIn 640ms ease both !important;
}
.proposal-screen.proposal-exit-right,
.proposal-screen.proposal-exit-left {
  animation: proposalSoftOut 300ms ease both !important;
}

.proposal-screen.proposal-first-enter > *,
.proposal-screen.proposal-enter-right > *,
.proposal-screen.proposal-enter-left > * {
  animation: proposalLayerIn 760ms var(--lab-ease) both;
}

.proposal-screen.proposal-first-enter > *:nth-child(1),
.proposal-screen.proposal-enter-right > *:nth-child(1),
.proposal-screen.proposal-enter-left > *:nth-child(1) { animation-delay: 70ms; }
.proposal-screen.proposal-first-enter > *:nth-child(2),
.proposal-screen.proposal-enter-right > *:nth-child(2),
.proposal-screen.proposal-enter-left > *:nth-child(2) { animation-delay: 170ms; }
.proposal-screen.proposal-first-enter > *:nth-child(3),
.proposal-screen.proposal-enter-right > *:nth-child(3),
.proposal-screen.proposal-enter-left > *:nth-child(3) { animation-delay: 280ms; }

.proposal-topic-card.proposal-first-enter .proposal-topic-copy,
.proposal-topic-card.proposal-enter-right .proposal-topic-copy,
.proposal-topic-card.proposal-enter-left .proposal-topic-copy { animation-delay: 80ms; }
.proposal-topic-card.proposal-first-enter .system-map,
.proposal-topic-card.proposal-enter-right .system-map,
.proposal-topic-card.proposal-enter-left .system-map { animation: proposalLayerIn 820ms var(--lab-ease) 190ms both; }
.proposal-topic-card.proposal-first-enter .system-node,
.proposal-topic-card.proposal-enter-right .system-node,
.proposal-topic-card.proposal-enter-left .system-node { animation: proposalNodeIn 680ms var(--lab-ease) both; }
.proposal-topic-card.proposal-first-enter .system-node:nth-of-type(1),
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(1),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(1) { animation-delay: 260ms; }
.proposal-topic-card.proposal-first-enter .system-node:nth-of-type(2),
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(2),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(2) { animation-delay: 320ms; }
.proposal-topic-card.proposal-first-enter .system-node:nth-of-type(3),
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(3),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(3) { animation-delay: 380ms; }
.proposal-topic-card.proposal-first-enter .system-node:nth-of-type(4),
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(4),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(4) { animation-delay: 440ms; }
.proposal-topic-card.proposal-first-enter .system-node:nth-of-type(5),
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(5),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(5) { animation-delay: 500ms; }

@keyframes proposalSoftIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes proposalSoftOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes proposalLayerIn {
  from { opacity: 0; transform: translateY(18px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}
@keyframes proposalNodeIn {
  from { opacity: 0; transform: translateY(10px) scale(.96); }
  to { opacity: 1; transform: none; }
}

/* Undergraduate story: restore card-first reveal and stagger its inner hierarchy. */
.undergraduate-foundation .foundation-card {
  opacity: .01;
  transform: translateY(42px) scale(.985);
  filter: blur(5px);
  transition:
    opacity 820ms var(--lab-ease),
    transform 920ms var(--lab-ease),
    filter 720ms ease,
    border-color 220ms ease,
    box-shadow 360ms var(--lab-ease) !important;
}

.undergraduate-foundation .foundation-card.visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

.undergraduate-foundation .foundation-card.visible .foundation-num,
.undergraduate-foundation .foundation-card.visible h3,
.undergraduate-foundation .foundation-card.visible .foundation-subtitle,
.undergraduate-foundation .foundation-card.visible p:not(.foundation-note),
.undergraduate-foundation .foundation-card.visible li,
.undergraduate-foundation .foundation-card.visible .foundation-tags,
.undergraduate-foundation .foundation-card.visible .foundation-note {
  animation: foundationLayerIn 700ms var(--lab-ease) both;
}
.undergraduate-foundation .foundation-card.visible h3 { animation-delay: 90ms; }
.undergraduate-foundation .foundation-card.visible .foundation-subtitle { animation-delay: 150ms; }
.undergraduate-foundation .foundation-card.visible p:not(.foundation-note) { animation-delay: 210ms; }
.undergraduate-foundation .foundation-card.visible li:nth-child(1) { animation-delay: 270ms; }
.undergraduate-foundation .foundation-card.visible li:nth-child(2) { animation-delay: 325ms; }
.undergraduate-foundation .foundation-card.visible li:nth-child(3) { animation-delay: 380ms; }
.undergraduate-foundation .foundation-card.visible .foundation-tags { animation-delay: 430ms; }
.undergraduate-foundation .foundation-card.visible .foundation-note { animation-delay: 500ms; }

@keyframes foundationLayerIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* Reader is button-operated only: no drag state, wheel capture, or drag prompt. */
.reader-carousel,
.reader-carousel.is-dragging,
.reader-carousel.is-settling {
  cursor: default !important;
  touch-action: auto !important;
  transform: none !important;
  transition: none !important;
}
.reader-carousel::after {
  content: none !important;
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .undergraduate-foundation .foundation-card,
  .undergraduate-foundation .foundation-card.visible,
  .proposal-screen.proposal-first-enter > *,
  .proposal-screen.proposal-enter-right > *,
  .proposal-screen.proposal-enter-left > *,
  .proposal-topic-card .system-map,
  .proposal-topic-card .system-node {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}

/* Motion polish v5 ---------------------------------------------------------
   Rebuilt from a single visible state: no pointer sheen, no overlapping
   proposal panels, and no parent opacity animation that can flash. */

/* Support board: quiet typographic response only. */
.support-matrix > section::before,
.support-matrix > section::after,
.support-matrix > section > .surface-sheen {
  content: none !important;
  display: none !important;
}

.support-matrix > section,
.support-matrix > section:hover,
.support-matrix > section:focus-within {
  z-index: auto !important;
  background: rgba(255, 255, 255, .74) !important;
  box-shadow: none !important;
  outline: 0 !important;
  transform: none !important;
}

.support-matrix > section > span,
.support-matrix > section li {
  background: none !important;
  transform: none !important;
}

.support-matrix > section > span:not(.surface-sheen) {
  transition: color 240ms ease !important;
}

.support-matrix > section li {
  transition: color 240ms ease, opacity 240ms ease !important;
}

@media (hover: hover) and (pointer: fine) {
  .support-matrix > section:hover > span:not(.surface-sheen) {
    color: #0c6199 !important;
  }

  .support-matrix > section:hover li {
    color: #244a68 !important;
    opacity: .96;
  }

  .support-matrix > section:hover li:nth-child(2) { transition-delay: 35ms !important; }
  .support-matrix > section:hover li:nth-child(3) { transition-delay: 70ms !important; }
  .support-matrix > section:hover li:nth-child(4) { transition-delay: 105ms !important; }
}

/* Proposal: exactly one panel is present; only its internal layers settle. */
#proposal .proposal-stage {
  isolation: isolate;
}

#proposal .proposal-screen:not(.active) {
  display: none !important;
}

#proposal .proposal-stage.reveal.visible .proposal-screen.active,
#proposal .proposal-screen.active,
#proposal .proposal-screen.proposal-first-enter,
#proposal .proposal-screen.proposal-enter-left,
#proposal .proposal-screen.proposal-enter-right,
#proposal .proposal-screen.proposal-exit-left,
#proposal .proposal-screen.proposal-exit-right {
  position: relative !important;
  inset: auto !important;
  z-index: 1 !important;
  display: block !important;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  animation: none !important;
}

#proposal .proposal-screen.proposal-arriving > *,
#proposal .proposal-screen.proposal-settling > * {
  opacity: 1 !important;
  animation: proposalLayerComposeV5 540ms var(--lab-ease) both !important;
}

#proposal .proposal-screen.proposal-arriving > *:nth-child(1),
#proposal .proposal-screen.proposal-settling > *:nth-child(1) {
  animation-delay: 0ms !important;
}

#proposal .proposal-screen.proposal-arriving > *:nth-child(2),
#proposal .proposal-screen.proposal-settling > *:nth-child(2) {
  animation-delay: 55ms !important;
}

#proposal .proposal-screen.proposal-arriving > *:nth-child(3),
#proposal .proposal-screen.proposal-settling > *:nth-child(3) {
  animation-delay: 105ms !important;
}

#proposal .proposal-screen.proposal-arriving .system-node,
#proposal .proposal-screen.proposal-settling .system-node {
  opacity: 1 !important;
  animation: proposalNodeComposeV5 460ms var(--lab-ease) both !important;
}

#proposal .proposal-screen.proposal-arriving .system-node:nth-of-type(1),
#proposal .proposal-screen.proposal-settling .system-node:nth-of-type(1) { animation-delay: 70ms !important; }
#proposal .proposal-screen.proposal-arriving .system-node:nth-of-type(2),
#proposal .proposal-screen.proposal-settling .system-node:nth-of-type(2) { animation-delay: 105ms !important; }
#proposal .proposal-screen.proposal-arriving .system-node:nth-of-type(3),
#proposal .proposal-screen.proposal-settling .system-node:nth-of-type(3) { animation-delay: 140ms !important; }
#proposal .proposal-screen.proposal-arriving .system-node:nth-of-type(4),
#proposal .proposal-screen.proposal-settling .system-node:nth-of-type(4) { animation-delay: 175ms !important; }
#proposal .proposal-screen.proposal-arriving .system-node:nth-of-type(5),
#proposal .proposal-screen.proposal-settling .system-node:nth-of-type(5) { animation-delay: 210ms !important; }

@keyframes proposalLayerComposeV5 {
  from { transform: translateY(9px) scale(.998); filter: blur(1px); }
  to { transform: none; filter: none; }
}

@keyframes proposalNodeComposeV5 {
  from { transform: translateY(5px) scale(.988); filter: saturate(.9); }
  to { transform: none; filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  .support-matrix > section > span:not(.surface-sheen),
  .support-matrix > section li,
  #proposal .proposal-screen.proposal-arriving > *,
  #proposal .proposal-screen.proposal-settling > *,
  #proposal .proposal-screen.proposal-arriving .system-node,
  #proposal .proposal-screen.proposal-settling .system-node {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}

/* Interaction refinement v4 ---------------------------------------------- */

/* Publication cards: one hover, five deliberately staggered responses. */
.paper-list li::before,
.paper-list li strong,
.paper-list li strong::after,
.paper-list li em,
.paper-list li .paper-meta {
  transition:
    color 240ms ease,
    background-color 260ms ease,
    border-color 260ms ease,
    opacity 260ms ease,
    transform 460ms var(--lab-ease) !important;
}

@media (hover: hover) and (pointer: fine) {
  .paper-list li:hover::before {
    transform: translateY(-3px);
  }

  .paper-list li:hover strong {
    transform: translateY(-4px);
    transition-delay: 45ms !important;
  }

  .paper-list li:hover strong::after {
    transform: scaleX(.92);
    transform-origin: left center;
    transition-delay: 80ms !important;
  }

  .paper-list li:hover em {
    transform: translateY(-3px);
    transition-delay: 115ms !important;
  }

  .paper-list li:hover .paper-meta {
    color: #183b5b;
    transform: translateY(-4px);
    transition-delay: 155ms !important;
  }
}

/* Hover feedback without colored rectangular fills. */
.support-matrix > section:hover {
  border-left-color: rgba(144, 188, 240, .40) !important;
  background: rgba(255, 255, 255, .74) !important;
  box-shadow: none !important;
}

.support-matrix > section:hover > span {
  background: none !important;
}

#research .method-lab,
#research .method-card,
#research .method-card * {
  user-select: none !important;
  -webkit-user-select: none !important;
}

#research .method-card.is-trace-past,
#research .method-card.is-trace-active {
  border-color: inherit !important;
  background: transparent !important;
  box-shadow: none !important;
}

#research .method-card.is-trace-past > span,
#research .method-card.is-trace-active > span {
  border-color: transparent !important;
  color: var(--lab-blue-deep) !important;
  background: transparent !important;
}

#research .method-card.is-trace-active h3 {
  color: var(--lab-blue-deep) !important;
}

/* Project switching: overlapping editorial slide, without a clipped white bar. */
.studio-shell {
  overflow: hidden;
}

.studio.is-entering-right,
.studio.is-entering-left,
.studio.is-leaving-right,
.studio.is-leaving-left {
  backface-visibility: hidden;
  clip-path: none !important;
}

.studio.is-entering-right {
  animation: studioGlideFromRight 580ms var(--lab-ease) both !important;
}
.studio.is-entering-left {
  animation: studioGlideFromLeft 580ms var(--lab-ease) both !important;
}
.studio.is-leaving-right {
  animation: studioGlideToLeft 440ms var(--lab-ease) both !important;
}
.studio.is-leaving-left {
  animation: studioGlideToRight 440ms var(--lab-ease) both !important;
}

@keyframes studioGlideFromRight {
  from { opacity: .82; transform: translateX(34px) scale(.996); filter: saturate(.94); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes studioGlideFromLeft {
  from { opacity: .82; transform: translateX(-34px) scale(.996); filter: saturate(.94); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes studioGlideToLeft {
  from { opacity: 1; transform: none; }
  to { opacity: .28; transform: translateX(-22px) scale(.994); }
}
@keyframes studioGlideToRight {
  from { opacity: 1; transform: none; }
  to { opacity: .28; transform: translateX(22px) scale(.994); }
}

/* Proposal switching: the incoming surface never disappears, so no white flash. */
.proposal-screen.proposal-enter-right,
.proposal-screen.proposal-enter-left {
  opacity: 1 !important;
  animation: none !important;
}

.proposal-screen.proposal-exit-right,
.proposal-screen.proposal-exit-left {
  z-index: 3;
  animation: proposalSurfaceOut 320ms ease both !important;
}

.proposal-screen.proposal-enter-right > *,
.proposal-screen.proposal-enter-left > * {
  opacity: 1;
  animation: proposalLayerSettle 500ms var(--lab-ease) both !important;
}

.proposal-screen.proposal-enter-right > *:nth-child(1),
.proposal-screen.proposal-enter-left > *:nth-child(1) { animation-delay: 0ms !important; }
.proposal-screen.proposal-enter-right > *:nth-child(2),
.proposal-screen.proposal-enter-left > *:nth-child(2) { animation-delay: 45ms !important; }
.proposal-screen.proposal-enter-right > *:nth-child(3),
.proposal-screen.proposal-enter-left > *:nth-child(3) { animation-delay: 90ms !important; }

.proposal-topic-card.proposal-enter-right .system-map,
.proposal-topic-card.proposal-enter-left .system-map {
  opacity: 1;
  animation: proposalLayerSettle 520ms var(--lab-ease) 45ms both !important;
}

.proposal-topic-card.proposal-enter-right .system-node,
.proposal-topic-card.proposal-enter-left .system-node {
  opacity: 1;
  animation: proposalNodeSettle 460ms var(--lab-ease) both !important;
}
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(1),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(1) { animation-delay: 60ms !important; }
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(2),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(2) { animation-delay: 90ms !important; }
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(3),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(3) { animation-delay: 120ms !important; }
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(4),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(4) { animation-delay: 150ms !important; }
.proposal-topic-card.proposal-enter-right .system-node:nth-of-type(5),
.proposal-topic-card.proposal-enter-left .system-node:nth-of-type(5) { animation-delay: 180ms !important; }

@keyframes proposalSurfaceOut {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes proposalLayerSettle {
  from { opacity: 1; transform: translateY(8px); filter: blur(1.2px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}
@keyframes proposalNodeSettle {
  from { opacity: 1; transform: translateY(5px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .paper-list li::before,
  .paper-list li strong,
  .paper-list li strong::after,
  .paper-list li em,
  .paper-list li .paper-meta,
  .studio.is-entering-right,
  .studio.is-entering-left,
  .studio.is-leaving-right,
  .studio.is-leaving-left,
  .proposal-screen.proposal-enter-right > *,
  .proposal-screen.proposal-enter-left > *,
  .proposal-topic-card .system-map,
  .proposal-topic-card .system-node {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}

/* v5 cascade lock: legacy interaction blocks above cannot re-enter. */
.support-matrix > section::before,
.support-matrix > section::after,
.support-matrix > section > .surface-sheen {
  content: none !important;
  display: none !important;
}

.support-matrix > section,
.support-matrix > section:hover,
  .support-matrix > section:focus-within {
  background: rgba(255, 255, 255, .74) !important;
  box-shadow: none !important;
  outline: 0 !important;
  transform: none !important;
}

/* Interaction polish: evidence cards feel gently pressed, never cursor-lit. */
.foundation-card > .surface-sheen,
.paper-list li > .surface-sheen {
  display: none !important;
}

.foundation-card,
.paper-list li {
  will-change: translate, box-shadow;
  transition:
    translate 360ms var(--lab-ease),
    border-color 260ms ease,
    box-shadow 360ms var(--lab-ease),
    background-color 260ms ease !important;
}

.foundation-card:hover,
.paper-list li:hover {
  translate: 0 3px;
  border-color: rgba(72, 151, 238, 0.34) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 15px 34px rgba(36, 86, 126, 0.13) !important;
}

.foundation-card:active,
.paper-list li:active {
  translate: 0 4px;
}

.foundation-card:hover .foundation-node {
  transform: translateX(-50%) scale(1.04) !important;
  box-shadow: 0 8px 22px rgba(30, 111, 234, 0.22) !important;
}

.foundation-card:hover .foundation-num {
  transform: none !important;
}

@media (hover: hover) and (pointer: fine) {
  .paper-list:hover li:not(:hover) {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }

  .paper-list li:hover {
    opacity: 1 !important;
    filter: none !important;
  }
}

/* Project tabs: one restrained cross-slide, with both surfaces kept visible to avoid flashes. */
.studio-shell {
  isolation: isolate;
  overflow: hidden;
}

.studio.is-entering-right,
.studio.is-entering-left,
.studio.is-leaving-right,
.studio.is-leaving-left {
  backface-visibility: hidden;
  clip-path: none !important;
  will-change: opacity, transform;
}

.studio.is-entering-right {
  animation: studioPolishInRight 520ms var(--lab-ease) both !important;
}

.studio.is-entering-left {
  animation: studioPolishInLeft 520ms var(--lab-ease) both !important;
}

.studio.is-leaving-right {
  animation: studioPolishOutLeft 400ms var(--lab-ease) both !important;
}

.studio.is-leaving-left {
  animation: studioPolishOutRight 400ms var(--lab-ease) both !important;
}

.studio.is-entering-right .studio-copy,
.studio.is-entering-left .studio-copy,
.studio.is-entering-right .studio-gallery button,
.studio.is-entering-left .studio-gallery button {
  animation: none !important;
}

@keyframes studioPolishInRight {
  from { opacity: .86; transform: translate3d(28px, 0, 0) scale(.992); filter: saturate(.96); }
  72% { opacity: 1; transform: translate3d(-2px, 0, 0) scale(1.001); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes studioPolishInLeft {
  from { opacity: .86; transform: translate3d(-28px, 0, 0) scale(.992); filter: saturate(.96); }
  72% { opacity: 1; transform: translate3d(2px, 0, 0) scale(1.001); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes studioPolishOutLeft {
  from { opacity: 1; transform: none; }
  to { opacity: .94; transform: translate3d(-18px, 0, 0) scale(.998); }
}

@keyframes studioPolishOutRight {
  from { opacity: 1; transform: none; }
  to { opacity: .94; transform: translate3d(18px, 0, 0) scale(.998); }
}

@media (prefers-reduced-motion: reduce) {
  .foundation-card,
  .paper-list li,
  .studio.is-entering-right,
  .studio.is-entering-left,
  .studio.is-leaving-right,
  .studio.is-leaving-left {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    translate: none !important;
    filter: none !important;
    opacity: 1 !important;
  }
}

#proposal .proposal-screen:not(.active) {
  display: none !important;
}

#proposal .proposal-stage.reveal.visible .proposal-screen.active,
#proposal .proposal-screen.active {
  position: relative !important;
  inset: auto !important;
  display: block !important;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  animation: none !important;
}

#proposal .proposal-screen.proposal-arriving > *,
#proposal .proposal-screen.proposal-settling > * {
  opacity: 1 !important;
  animation-name: proposalLayerComposeV5 !important;
}

/* Supporting evidence v6: clipped ornament and a restrained cell tint. */
.support-matrix-head {
  overflow: hidden !important;
}

.support-matrix > section,
.support-matrix > section:focus-within {
  background: rgba(255, 255, 255, .74) !important;
}

@media (hover: hover) and (pointer: fine) {
  .support-matrix > section:hover {
    background: rgba(232, 245, 255, .90) !important;
  }
}

/* One-shot evidence counters: tabular figures prevent horizontal jitter. */
.countup-metric,
.countup-inline {
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

/* Annotation pass: keep the foundation number stable while the card surface
   follows the pointer-pressure interaction. */
.undergraduate-foundation .foundation-card:hover .foundation-num,
.undergraduate-foundation .foundation-card:focus-within .foundation-num,
.undergraduate-foundation .foundation-card.is-pointer-pressed .foundation-num {
  color: var(--foundation-blue) !important;
}

/* Supporting evidence: compact title + body pairs replace fragmented bullets. */
.support-matrix {
  grid-template-rows: repeat(2, minmax(108px, auto)) !important;
}

.support-matrix-head {
  padding: 18px 22px !important;
}

.support-matrix-head strong {
  font-size: 23px !important;
}

.support-matrix-note {
  margin-top: 11px !important;
  font-size: 12.5px !important;
  line-height: 1.62 !important;
}

.support-matrix > section,
.dossier-grid .support-matrix > section:nth-child(6),
.dossier-grid .support-matrix > section:nth-child(7) {
  padding: 12px 16px !important;
}

.support-matrix > section > span {
  font-size: 14.5px !important;
}

.support-copy-list {
  display: grid;
  gap: 5px;
  min-width: 0;
  margin: 8px 0 0;
  padding: 0;
}

.support-copy-list > div {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.support-copy-list dt,
.support-copy-list dd {
  min-width: 0;
  margin: 0;
}

.support-copy-list dt {
  color: #1770ba;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: .02em;
}

.support-copy-list dd {
  color: #35516c;
  font-size: 11.5px;
  line-height: 1.42;
}

.support-copy-list-honors > div:first-child dd {
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .support-copy-list > div {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .support-copy-list-honors > div:first-child dd {
    white-space: normal;
  }
}

.signal-grid .countup-metric {
  width: max-content;
  min-width: 3ch;
  transform-origin: 0 70%;
}

/* Application documents --------------------------------------------------
   Keep supporting labels aligned to their category heading, and place the
   proposal PDF controls inside the existing research-position card. */
.support-copy-list {
  margin: 8px 0 0 34px;
}

.proposal-document-actions {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(91, 158, 211, .24);
}

.proposal-document-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid rgba(76, 151, 210, .34);
  color: #0d639e;
  text-decoration: none;
  transition: transform 240ms cubic-bezier(.16, 1, .3, 1), background-color 220ms ease, border-color 220ms ease;
}

.proposal-document-view {
  flex: 1 1 auto;
  gap: 9px;
  padding: 0 14px 0 16px;
  border-radius: 10px;
  background: rgba(230, 244, 255, .82);
  font-size: 13px;
  font-weight: 800;
}

.proposal-document-download {
  flex: 0 0 40px;
  width: 40px;
  border-radius: 10px;
  background: rgba(250, 253, 255, .9);
}

.proposal-document-actions svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Approved support board: readable type, full-width header, 3+2 evidence grid.
   The board keeps the page-wide content edges established by its parent grid. */
@media (min-width: 1181px) {
  .support-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
    grid-template-rows: minmax(124px, auto) repeat(2, minmax(104px, auto)) !important;
  }

  .support-matrix-head {
    display: flex !important;
    flex-direction: column;
    grid-column: 1 / -1 !important;
    grid-row: 1 !important;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    min-height: 124px;
    padding: 18px 22px 16px !important;
  }

  .support-matrix-head strong {
    font-size: 22px !important;
    line-height: 1.2;
    white-space: nowrap;
  }

  .support-matrix-head strong::after {
    width: 42px;
    height: 3px;
    margin-top: 9px;
  }

  .support-matrix-note {
    max-width: none;
    margin: 7px 0 0 !important;
    font-size: 13px !important;
    line-height: 1.45 !important;
    white-space: nowrap;
  }

  .support-matrix > section:nth-of-type(1) {
    grid-column: 1 / 3 !important;
    grid-row: 2 !important;
  }

  .support-matrix > section:nth-of-type(2) {
    grid-column: 3 / 5 !important;
    grid-row: 2 !important;
  }

  .support-matrix > section:nth-of-type(3) {
    grid-column: 5 / 7 !important;
    grid-row: 2 !important;
  }

  .support-matrix > section:nth-of-type(4) {
    grid-column: 1 / 4 !important;
    grid-row: 3 !important;
  }

  .support-matrix > section:nth-of-type(5) {
    grid-column: 4 / 7 !important;
    grid-row: 3 !important;
  }

  .support-matrix > section,
  .dossier-grid .support-matrix > section:nth-child(6),
  .dossier-grid .support-matrix > section:nth-child(7) {
    padding: 14px 18px !important;
    transition: background-color 220ms cubic-bezier(.16, 1, .3, 1) !important;
  }

  .support-matrix > section > span {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 20px;
    padding-left: 18px !important;
    font-size: 15px !important;
    line-height: 1.35;
  }

  .support-matrix > section > span::before {
    content: "";
    display: block !important;
    position: absolute;
    top: 50%;
    left: 0;
    width: 7px !important;
    height: 7px !important;
    border-radius: 2px;
    background: #6da9df;
    transform: translateY(-50%) rotate(45deg) !important;
    transition: none !important;
  }

  .support-matrix > section > span:not(.surface-sheen),
  .support-copy-list dt,
  .support-copy-list dd {
    transition: none !important;
  }

  .support-copy-list {
    gap: 5px;
    margin: 8px 0 0 18px;
  }

  .support-copy-list > div {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 6px;
  }

  .support-copy-list dt {
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: 0;
  }

  .support-copy-list dd {
    overflow: hidden;
    font-size: 12px;
    line-height: 1.4;
    letter-spacing: -.012em;
    text-overflow: clip;
    white-space: nowrap;
  }

  @media (hover: hover) and (pointer: fine) {
    .support-matrix > section:hover {
      background: rgba(232, 245, 255, .90) !important;
      box-shadow: none !important;
      transform: none !important;
    }

    .support-matrix > section:hover > span:not(.surface-sheen) {
      color: #0b2d55 !important;
    }

    .support-matrix > section:hover .support-copy-list dt {
      color: #1770ba !important;
    }

    .support-matrix > section:hover .support-copy-list dd {
      color: #35516c !important;
      opacity: 1 !important;
    }

    .support-matrix > section:hover > span::before {
      width: 7px !important;
      height: 7px !important;
      background: #6da9df !important;
      transform: translateY(-50%) rotate(45deg) !important;
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .proposal-document-actions a:hover {
    border-color: rgba(31, 123, 188, .56);
    background: rgba(214, 237, 255, .96);
    transform: translateY(-2px);
  }
}

.proposal-document-actions a:focus-visible {
  outline: 2px solid #1677b8;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .proposal-document-actions a {
    transition: none;
  }
}

.signal-grid article:first-child .countup-metric {
  min-width: 7ch;
}

.countup-inline {
  display: inline-block;
  min-width: 1ch;
  color: inherit;
  font: inherit;
  text-align: center;
}

[data-countup].is-counting {
  animation: countup-settle var(--countup-duration, 900ms) cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes countup-settle {
  0% {
    opacity: .52;
    filter: blur(2.5px);
    transform: translate3d(0, 8px, 0);
  }
  42% {
    opacity: .9;
    filter: blur(.7px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-countup].is-counting {
    animation: none;
  }
}

/* Final interaction precedence: preserve reveal-on-scroll, then follow the pointer with a quiet 3D press. */
.undergraduate-foundation .foundation-card {
  --press-rx: 0deg;
  --press-ry: 0deg;
  transition:
    opacity 820ms var(--lab-ease),
    transform 920ms var(--lab-ease),
    filter 720ms ease,
    border-color 260ms ease,
    box-shadow 360ms var(--lab-ease),
    background-color 260ms ease !important;
}

.undergraduate-foundation .foundation-card.pointer-pressure-card.visible {
  transition:
    transform 220ms var(--lab-ease),
    border-color 260ms ease,
    box-shadow 360ms var(--lab-ease),
    background-color 260ms ease !important;
}

.undergraduate-foundation .foundation-card.pointer-pressure-card.visible,
.paper-list li.pointer-pressure-card {
  translate: none !important;
  transform:
    perspective(1100px)
    rotateX(var(--press-rx, 0deg))
    rotateY(var(--press-ry, 0deg))
    translateZ(0) !important;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, box-shadow;
}

.undergraduate-foundation .foundation-card.pointer-pressure-card.is-pointer-pressed,
.paper-list li.pointer-pressure-card.is-pointer-pressed {
  border-color: rgba(72, 151, 238, 0.34) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 8px 18px rgba(36, 86, 126, 0.11) !important;
}

.paper-list li {
  --press-rx: 0deg;
  --press-ry: 0deg;
  transition:
    transform 180ms var(--lab-ease),
    opacity 300ms ease,
    filter 300ms ease,
    border-color 260ms ease,
    box-shadow 360ms var(--lab-ease),
    background-color 260ms ease !important;
}

.paper-list li.pointer-pressure-card:hover {
  opacity: 1 !important;
  filter: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .undergraduate-foundation .foundation-card.pointer-pressure-card.visible,
  .paper-list li.pointer-pressure-card {
    transform: none !important;
    transition: none !important;
  }
}

/* Project switch v3: out-in sequencing keeps titles and imagery from ever overlapping. */
.studio-shell {
  background: rgba(255, 255, 255, 0.94);
  overflow: hidden;
}

.studio.active {
  animation: none !important;
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition:
    opacity 330ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 330ms cubic-bezier(0.22, 1, 0.36, 1) !important;
}

.studio.studio-exit-right,
.studio.studio-exit-left {
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 150ms ease-in,
    transform 170ms cubic-bezier(0.4, 0, 1, 1) !important;
}

.studio.studio-exit-right {
  transform: translate3d(-14px, 0, 0) scale(0.997);
}

.studio.studio-exit-left {
  transform: translate3d(14px, 0, 0) scale(0.997);
}

.studio.studio-enter-from-right {
  opacity: 0;
  transform: translate3d(22px, 0, 0) scale(0.994);
}

.studio.studio-enter-from-left {
  opacity: 0;
  transform: translate3d(-22px, 0, 0) scale(0.994);
}

.studio.studio-entering {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.studio-shell.is-switching .studio-gallery button,
.studio-shell.is-switching .studio-copy {
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .studio.active,
  .studio.studio-exit-right,
  .studio.studio-exit-left,
  .studio.studio-enter-from-right,
  .studio.studio-enter-from-left,
  .studio.studio-entering {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}