:root {
  --paper: #f4f5f1;
  --paper-deep: #eaede7;
  --ink: #13201d;
  --ink-soft: #53615d;
  --line: rgba(19, 32, 29, 0.16);
  --green: #1f5147;
  --green-soft: #8eaaa1;
  --orange: #d76b43;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html { scroll-behavior: smooth; }

body:has(.research-home) {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

body:has(.research-home) #page-bg { display: none; }
body:has(.research-home) .page-body { margin: 0 !important; }
body:has(.research-home) .page-header {
  background: color-mix(in srgb, var(--paper) 90%, transparent) !important;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.research-home, .research-home * { box-sizing: border-box; }
.research-home { overflow: hidden; }
.research-home a { color: inherit; text-decoration: none; }

.research-hero {
  min-height: min(830px, calc(100vh - 68px));
  padding: clamp(3rem, 6vw, 6.5rem) max(5vw, calc((100vw - 1280px) / 2));
  display: flex;
  align-items: center;
  position: relative;
}

.research-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(19,32,29,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(19,32,29,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, black, transparent 72%);
}

.hero-grid {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 8rem);
  position: relative;
  z-index: 1;
}

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

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--green);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-copy > .eyebrow { display: flex; align-items: center; gap: .75rem; }
.hero-copy > .eyebrow span { width: 22px; height: 1px; background: var(--orange); }

.hero-copy h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(4.5rem, 8.5vw, 8.8rem);
  font-weight: 400;
  letter-spacing: -.065em;
  line-height: .82;
}

.hero-cn {
  margin: 1.2rem 0 0 .25rem;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: .32em;
}

.hero-lede {
  width: 100%;
  max-width: 660px;
  margin: 2.4rem 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.04rem, 1.3vw, 1.22rem);
  line-height: 1.52;
  overflow-wrap: break-word;
}
.hero-lede p { margin: 0; }
.hero-lede p + p { margin-top: .8rem; }
.hero-lede a { color: var(--ink); border-bottom: 1px solid var(--line); }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .7rem 1.35rem; margin-top: 2.4rem; }
.hero-actions a { font-size: .82rem; font-weight: 700; letter-spacing: .04em; }

.button-primary {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  padding: .85rem 1.05rem;
  color: #fff !important;
  background: var(--green);
  border: 1px solid var(--green);
  transition: transform .25s ease, background .25s ease;
}

.button-primary:hover { transform: translateY(-2px); background: #163d35; }
.button-quiet { padding: .75rem 0; border-bottom: 1px solid var(--line); transition: border-color .2s ease; }
.button-quiet:hover { border-color: var(--orange); }

.hero-affiliation { width: 100%; max-width: 660px; margin: 1.55rem 0 0; display: grid; grid-template-columns: 70px minmax(0, 1fr); align-items: center; gap: 1.1rem; color: var(--ink-soft); font-size: .84rem; }
.hero-affiliation img { width: 70px; height: 70px; border-radius: 50%; object-fit: cover; filter: saturate(.82); }
.hero-affiliation p { min-width: 0; margin: 0; display: grid; gap: .15rem; line-height: 1.45; overflow-wrap: anywhere; }
.hero-affiliation strong { color: var(--ink); font-size: 1.02rem; font-weight: 750; }
.hero-affiliation span { min-width: 0; }
.hero-affiliation a { color: var(--ink); border-bottom: 1px solid var(--line); }

.hero-visual {
  min-height: clamp(440px, 52vw, 660px);
  position: relative;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
  isolation: isolate;
}

.hero-visual::after { display: none; }

#research-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: grab;
  z-index: 1;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
#research-scene:active { cursor: grabbing; }

.scene-fallback { display: none; }

.section-shell {
  width: min(1280px, 90vw);
  margin: 0 auto;
  padding: clamp(5.5rem, 10vw, 9rem) 0;
  display: grid;
  grid-template-columns: 70px minmax(250px, .8fr) minmax(360px, 1.2fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  border-top: 1px solid var(--line);
}

.section-index { color: var(--orange); font-family: var(--serif); font-size: .9rem; }
.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.3rem, 4vw, 4.3rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: 1.03;
}

.publications { grid-template-columns: 70px 1fr; }
.publications-heading { display: flex; align-items: end; justify-content: space-between; }
.section-link { padding-bottom: .4rem; color: var(--green) !important; border-bottom: 1px solid var(--green); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.publication-list { grid-column: 2; margin-top: 1.5rem; }

.publication-card {
  display: grid;
  grid-template-columns: minmax(340px, .92fr) minmax(360px, 1.08fr);
  gap: clamp(2rem, 5vw, 5.5rem);
  padding: 2.4rem 0;
  border-top: 1px solid var(--line);
}

.project-stage {
  min-height: 290px;
  position: relative;
  perspective: 1100px;
  isolation: isolate;
  background: #dfe7e2;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 8px rgba(19, 32, 29, .035);
}

.project-stage::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: 4;
  border: 1px solid var(--line);
  pointer-events: none;
}

.publication-image {
  width: 100%;
  min-height: 290px;
  padding: 0;
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  overflow: hidden;
  color: inherit;
  background: var(--paper-deep);
  border: 0;
  cursor: pointer;
  appearance: none;
  transform: rotateY(0deg) translateZ(1px);
  transform-origin: left center;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.2,.78,.18,1), box-shadow .7s ease;
  will-change: transform;
}

.publication-door::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 10px;
  height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,.5), rgba(19,32,29,.26));
  transform: rotateY(90deg);
  transform-origin: right center;
}

@media (hover: hover) and (pointer: fine) {
  .project-stage:not(.suppress-hover):hover .publication-door {
    transform: rotateY(-45deg) translateZ(8px);
    box-shadow: 26px 14px 36px rgba(11, 28, 24, .2);
  }
}

@keyframes project-door-enter {
  0% {
    transform: translate3d(0, 0, 8px) rotateY(-45deg);
    box-shadow: 26px 14px 36px rgba(11, 28, 24, .2);
  }
  62% {
    transform: translate3d(0, 0, 8px) rotateY(-90deg);
    box-shadow: 38px 18px 46px rgba(11, 28, 24, .2);
  }
  100% {
    transform: translate3d(-20px, 0, -42px) rotateY(-90deg);
    box-shadow: 24px 12px 34px rgba(11, 28, 24, .12);
  }
}

@keyframes project-door-exit {
  0% {
    transform: translate3d(-20px, 0, -42px) rotateY(-90deg);
    box-shadow: 24px 12px 34px rgba(11, 28, 24, .12);
  }
  38% {
    transform: translate3d(0, 0, 8px) rotateY(-90deg);
    box-shadow: 38px 18px 46px rgba(11, 28, 24, .2);
  }
  100% {
    transform: translate3d(0, 0, 1px) rotateY(0deg);
    box-shadow: 0 0 0 rgba(11, 28, 24, 0);
  }
}

.project-stage.is-open .publication-door {
  pointer-events: none;
  animation: project-door-enter 1s cubic-bezier(.22,.72,.16,1) forwards;
}

.project-stage.is-closing .publication-door {
  pointer-events: none;
  animation: project-door-exit .86s cubic-bezier(.4,0,.18,1) forwards;
}

.project-room {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  background: linear-gradient(180deg, #f8faf8 0%, #eef2ef 64%, #dfe7e2 100%);
}

.project-room::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 82%, rgba(19, 32, 29, .12), transparent 32%);
}

.project-room-canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; }
.room-grid {
  position: absolute;
  left: 30%;
  right: -8%;
  bottom: -35%;
  height: 75%;
  z-index: 0;
  opacity: .2;
  background-image: linear-gradient(rgba(31,81,71,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(31,81,71,.3) 1px, transparent 1px);
  background-size: 30px 30px;
  transform: perspective(240px) rotateX(62deg);
  transform-origin: center top;
}

.room-label, .room-hint {
  position: absolute;
  z-index: 3;
  color: var(--green);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.room-label { left: 1rem; bottom: .85rem; }
.room-hint { top: .85rem; right: .9rem; opacity: .62; }

.door-cue {
  position: absolute;
  right: .8rem;
  bottom: .75rem;
  z-index: 3;
  padding: .35rem .5rem;
  color: #fff;
  background: rgba(19,32,29,.76);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  backdrop-filter: blur(7px);
}
.project-stage-static { perspective: none; }
.project-stage-static .publication-image {
  cursor: pointer;
  transform: none;
  transition: box-shadow .3s ease;
}
.project-stage-static .publication-image:hover { box-shadow: inset 0 0 0 1px var(--green); }
.publication-image img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: contain; transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.publication-card:nth-child(2) .publication-image img { object-fit: cover; }
.publication-image:hover img { transform: scale(1.025); }
.image-index, .featured-mark { position: absolute; z-index: 2; top: .8rem; padding: .35rem .5rem; color: var(--ink); background: rgba(244,245,241,.9); font-size: .62rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(7px); }
.image-index { left: .8rem; }
.featured-mark { right: .8rem; color: #fff; background: var(--orange); }

.publication-copy { align-self: center; }
.publication-meta { display: flex; gap: .75rem; color: var(--orange); font-size: .67rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.publication-meta span + span::before { content: "·"; margin-right: .75rem; color: var(--ink-soft); }
.publication-copy h3 { max-width: 760px; margin: 1rem 0 .85rem; font-family: var(--serif); font-size: clamp(1.8rem, 2.8vw, 3rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.06; }
.publication-copy h3 a { transition: color .2s ease; }
.publication-copy h3 a:hover { color: var(--green); }
.publication-authors { margin: 0; color: var(--ink-soft); font-size: .79rem; line-height: 1.7; }
.publication-authors strong { color: var(--ink); font-weight: 750; }
.publication-summary { max-width: 660px; margin: 1.1rem 0 0; color: var(--ink-soft); font-size: .88rem; line-height: 1.65; }
.publication-links { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.publication-links a, .room-toggle { padding: .42rem .65rem; color: var(--green); background: transparent; border: 1px solid var(--line); font: inherit; font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: border-color .2s ease, color .2s ease; }
.publication-links a:hover, .room-toggle:hover { color: var(--orange); border-color: var(--orange); }

.updates { align-items: start; }
.update-list { border-top: 1px solid var(--line); }
.update-row { display: grid; grid-template-columns: 90px 1fr; gap: 1rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.update-row time { color: var(--orange); font-family: var(--serif); font-size: .82rem; }
.update-row p { margin: 0; color: var(--ink-soft); font-size: .9rem; line-height: 1.6; }
.update-row strong { color: var(--ink); }

.contact-strip {
  width: min(1280px, 90vw);
  margin: 0 auto clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 5vw, 4.5rem);
  color: #f4f5f1;
  background: var(--green);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}
.contact-strip .eyebrow { color: #b9d0c8; }
.contact-strip h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.3rem, 4vw, 4.4rem); font-weight: 400; letter-spacing: -.04em; }
.contact-strip > a { padding-bottom: .35rem; border-bottom: 1px solid rgba(255,255,255,.45); font-size: .78rem; font-weight: 700; letter-spacing: .03em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .publication-image img, .button-primary { transition: none; }
  .project-stage.is-open .publication-door,
  .project-stage.is-closing .publication-door { animation-duration: .01ms; }
}

@media (max-width: 980px) {
  .research-hero { padding-top: 4rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: clamp(4rem, 16vw, 7.5rem); }
  .hero-visual { min-height: min(640px, 84vw); }
  .section-shell { grid-template-columns: 44px 1fr; }
  .update-list { grid-column: 2; padding-top: 0; }
  .publications { grid-template-columns: 44px 1fr; }
  .publication-list { grid-column: 2; }
  .publication-card { grid-template-columns: 1fr; gap: 1.8rem; }
  .publication-image { min-height: min(380px, 48vw); }
  .project-stage { min-height: min(380px, 48vw); }
}

@media (max-width: 640px) {
  .research-hero { min-height: auto; padding: 3.5rem 5vw 5rem; }
  .hero-grid { gap: 3.5rem; }
  .hero-copy h1 { font-size: 24vw; }
  .hero-lede { max-width: 100%; font-size: 1.08rem; }
  .hero-actions { gap: .55rem 1rem; }
  .hero-affiliation { grid-template-columns: 60px minmax(0, 1fr); align-items: center; font-size: .76rem; }
  .hero-affiliation img { width: 60px; height: 60px; }
  .hero-affiliation strong { font-size: .92rem; }
  .hero-visual { min-height: 112vw; }
  .section-shell { width: 90vw; grid-template-columns: 1fr; gap: 1.5rem; }
  .section-index { padding-bottom: .6rem; border-bottom: 1px solid var(--line); }
  .update-list, .publication-list { grid-column: 1; }
  .publications-heading { align-items: start; gap: 1rem; }
  .section-link { white-space: nowrap; margin-top: .3rem; }
  .publication-card { padding: 1.8rem 0 2.6rem; }
  .publication-image { min-height: 54vw; }
  .project-stage { min-height: 54vw; }
  .publication-copy h3 { font-size: 1.8rem; }
  .contact-strip { align-items: start; flex-direction: column; }
  .contact-strip > a { max-width: 100%; overflow-wrap: anywhere; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111715;
    --paper-deep: #19211e;
    --ink: #edf1ed;
    --ink-soft: #aab5b0;
    --line: rgba(237, 241, 237, .14);
    --green: #9bc1b5;
    --green-soft: #6d9287;
    --orange: #e48661;
  }
  .hero-visual { background: transparent; }
  .image-index { background: rgba(17,23,21,.86); }
  .project-stage { background: #19241f; }
  .project-room { background: radial-gradient(circle at 66% 42%, #263a33 0, #1a2924 62%, #111b18 100%); }
  .contact-strip { color: #eff3ef; background: #234d44; }
}

.dark {
  --paper: #111715;
  --paper-deep: #19211e;
  --ink: #edf1ed;
  --ink-soft: #aab5b0;
  --line: rgba(237, 241, 237, .14);
  --green: #9bc1b5;
  --green-soft: #6d9287;
  --orange: #e48661;
}