:root {
  --bg: #08090A;
  --fg: #F2F0EB;
  --accent: #FF4A1C;
  --muted: rgba(242, 240, 235, 0.5);
  --font: "Switzer", "Helvetica Neue", Arial, sans-serif;
  --card-h: 43.5svh;
  --card-max-h: 55rem;
  --gap: 1rem;
  --pad-x: 4rem;
  --pad-y: 2.5rem;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --sheet-wash: #F2F0EB;
  --sheet-ink: #0B0B0C;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: clamp(5px, calc(100vw / 39), 20px);
  -webkit-text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  min-height: 100%;
  max-height: 100%;
  width: 100%;
  position: fixed;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.4;
}

html.is-grabbable { cursor: grab; }
html.is-grabbing, html.is-grabbing * { cursor: grabbing !important; user-select: none !important; }

a { color: inherit; text-decoration: none; }
button { background: none; border: 0; color: inherit; font: inherit; cursor: pointer; }
::selection { background: rgba(242, 240, 235, 0.2); }

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

.label {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gl {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}
.gl canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.scene {
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: hidden;
}

.track {
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  column-gap: var(--gap);
  transform: translateY(-50%);
}

.card {
  position: relative;
  flex: none;
  height: var(--card-h);
  max-height: var(--card-max-h);
  will-change: transform;
  border-radius: 2rem;
  cursor: pointer;
}

.card__hit {
  display: block;
  height: 100%;
  border-radius: inherit;
  outline-offset: 0.6rem;
  -webkit-user-drag: none;
  user-select: none;
}
.card { -webkit-user-drag: none; user-select: none; }
.card__hit span {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.card__hit:focus-visible { outline: 1px solid var(--fg); }

.card__meta {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  pointer-events: none;
  margin: 0;
}
.card__title {
  font-size: 1.6rem;
  line-height: 1.4;
  letter-spacing: -0.05em;
  white-space: nowrap;
  color: var(--fg);
}
.card__pill {
  display: inline-block;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  visibility: hidden;
}

.ui {
  position: fixed;
  inset: 0;
  z-index: 40;
  mix-blend-mode: difference;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--pad-y) var(--pad-x);
  pointer-events: none;
}
.ui__row { display: flex; align-items: flex-start; justify-content: space-between; }
.ui__row--bottom { align-items: flex-end; }
.ui > .ui__row > *, .ui__nav > * { pointer-events: auto; }

.ui__mark, .ui__btn, .ui__nav button {
  position: relative;
  transition: opacity 0.4s var(--ease);
}
.ui__mark::before, .ui__btn::before, .ui__nav button::before {
  content: "";
  position: absolute;
  inset: -1.5rem;
}
.ui__nav { display: flex; gap: 0.5rem; }
.ui__nav button[aria-pressed="false"], .ui__nav button[aria-expanded="false"] { opacity: 0.5; }
.ui__nav span { opacity: 0.5; }

.ui__hint {
  color: var(--muted);
  transition: opacity 0.6s var(--ease);
}
body.is-dragged .ui__hint { opacity: 0; }
.ui__hint { opacity: 0; }

@media (hover: hover) and (pointer: fine) {
  .ui__mark:hover, .ui__btn:hover, .ui__nav button:hover { opacity: 1; }
  .ui__btn:hover, .ui__mark:hover { opacity: 0.6; }
}

.sheet {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.sheet[hidden] { display: flex; visibility: hidden; }
.sheet.is-open { opacity: 1; }
.sheet .sheet__links a,
.sheet .index button { pointer-events: auto; }

.sheet__inner {
  width: min(56rem, 88vw);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sheet__inner--index { width: min(56rem, 88vw); }

.sheet__lead {
  max-width: 45rem;
  font-size: 1.4rem;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
.index { max-width: 46rem; }
.sheet__meta { color: var(--muted); margin-top: 3rem; }

.ui__group { display: flex; align-items: flex-start; gap: 1.6rem; pointer-events: auto; }
.ui__group > * { pointer-events: auto; }
.ui__btn--cta::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.4rem;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
  transition: opacity 0.4s var(--ease);
}
.sheet__contact { gap: 1.2rem 3rem; margin-top: 2.4rem; }
.sheet__contact a {
  font-size: 1.8rem;
  letter-spacing: -0.02em;
  text-transform: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.2rem;
}
@media (max-width: 649px) {
  .ui__group { gap: 1.1rem; }
  .sheet__contact a { font-size: 1.4rem; }
}

.sheet__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem 2rem;
  list-style: none;
  margin-top: 3rem;
}
.sheet__links a { transition: opacity 0.4s var(--ease); }
.sheet__links a:hover { opacity: 0.6; }

.index {
  list-style: none;
  width: 100%;
  margin-top: 2rem;
  counter-reset: idx;
}
.index li { counter-increment: idx; }
.index button {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  width: 100%;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(242, 240, 235, 0.14);
  text-align: left;
  transition: opacity 0.4s var(--ease);
}
.index li:first-child button { border-top: 1px solid rgba(242, 240, 235, 0.14); }
.index button:hover { opacity: 0.55; }
.index__num { font-size: 1rem; font-weight: 500; color: var(--muted); width: 2.4rem; flex: none; }
.index__name { font-size: 1.8rem; letter-spacing: -0.05em; flex: 1; }
.index__year { font-size: 1rem; font-weight: 500; color: var(--muted); }
.index li.is-current .index__num { color: var(--accent); }

.curtain {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  transition: opacity 0.9s var(--ease);
}
.curtain.is-done { opacity: 0; pointer-events: none; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
.loader span {
  display: block;
  height: 0.5rem;
  width: 5rem;
  border-radius: 2rem;
  background: rgba(242, 240, 235, 0.22);
  position: relative;
}
body.gl-on .loader span { background: transparent; }
body.gl-on .loader { z-index: 30; }
.loader.is-done { opacity: 0; }

.project {
  position: fixed;
  inset: 0;
  z-index: 25;
  pointer-events: none;
  color: var(--sheet-ink);
}
.project[hidden] { display: none; }
.project__sheet {
  position: fixed;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 2rem;
  right: 2rem;
  border-radius: 1.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  row-gap: 4rem;
  padding: 4rem 1rem 0;
  pointer-events: auto;
}
.project__info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 1.5rem;
}
.project__title {
  font-size: 3.5rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.05em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(0.6em);
  transition: opacity 0.6s var(--ease), transform 1.25s var(--ease);
}
.project__desc {
  margin-top: 1.5rem;
  max-width: 40rem;
  font-size: 1.4rem;
  line-height: 1.4;
  letter-spacing: -0.035em;
  opacity: 0;
  transform: translateY(1.2em);
  transition: opacity 0.6s var(--ease), transform 1.1s var(--ease);
}
.project__pills {
  margin-top: 3rem;
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}
.project.is-in .project__title { opacity: 1; transform: none; transition-delay: 0.25s; }
.project.is-in .project__desc { opacity: 1; transform: none; transition-delay: 0.35s; }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2em;
  padding: 0 1.25em;
  border-radius: 999px;
  background: #E6E4DF;
  color: var(--sheet-ink);
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pill--link {
  width: 2em;
  padding: 0;
  background: var(--sheet-ink);
  color: var(--sheet-wash);
  font-size: 1.6rem;
}
.pill--gl { visibility: hidden; position: relative; cursor: pointer; }
.pill--gl::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  visibility: visible;
}
.pill--text {
  transform: scale(0);
  transition: transform 0.85s var(--ease);
}
.project.is-in .pill--text:nth-child(2) { transform: none; transition-delay: 0.575s; }
.project.is-in .pill--text:nth-child(3) { transform: none; transition-delay: 0.65s; }
.project__col {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  row-gap: 3rem;
  padding-bottom: 8rem;
  will-change: transform;
  flex: none;
}
.project__item { width: 100%; flex: none; }
.project__close {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 4rem;
  height: 4rem;
  border-radius: 999px;
  background: var(--sheet-ink);
  color: var(--sheet-wash);
  border: 0;
  padding: 0;
  pointer-events: auto;
}
.project__related {
  position: fixed;
  inset: 10rem;
  border-radius: 1.5rem;
  pointer-events: auto;
  cursor: pointer;
}
.project__related--prev { transform: translateX(calc(-100% - 9rem)); }
.project__related--next { transform: translateX(calc(100% + 9rem)); }
.project__related--prev::after, .project__related--next::after {
  content: "";
  position: absolute;
  inset: 0;
}
.project__related--prev::after { right: -2.5rem; }
.project__related--next::after { left: -2.5rem; }
body.is-project .ui__hint { opacity: 0; }

@media (min-width: 650px) {
  .project__sheet {
    top: 2rem;
    bottom: 2rem;
    left: 5rem;
    right: 5rem;
    border-radius: 2rem;
    flex-direction: row;
    align-items: flex-start;
    column-gap: 10rem;
    row-gap: 0;
    padding: 4rem 12rem 0 4rem;
  }
  .project__info { flex: 1; padding: 0; }
  .project__title { font-size: 4.5rem; }
  .project__desc { margin-top: 2rem; font-size: 1.6rem; }
  .project__pills { margin-top: 4.5rem; }
  .project__col { width: 70rem; row-gap: 6rem; padding-bottom: 8rem; }
  .project__close { top: 3rem; right: 3rem; bottom: auto; width: 4.5rem; height: 4.5rem; }
  .project__related { border-radius: 2rem; }
  .project__related--prev { transform: translateX(calc(-100% - 7.5rem)); }
  .project__related--next { transform: translateX(calc(100% + 7.5rem)); }
}

@media (min-width: 650px) {
  :root {
    --pad-x: 8rem;
    --pad-y: 4rem;
  }
  html { font-size: clamp(5px, calc(100vw / 150), 20px); }
  .card__meta { left: 2rem; right: 2rem; bottom: 1rem; }
  .card__title { font-size: 1.8rem; }
}

@media (max-width: 649px) {
  :root { --gap: 2rem; }
  .track {
    top: 0;
    flex-direction: column;
    align-items: stretch;
    row-gap: var(--gap);
    column-gap: 0;
    padding: 0 2rem;
    transform: none;
  }
  .card {
    width: 100%;
    height: auto;
    max-height: none;
    border-radius: 1.5rem;
  }
  .sheet__lead { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .curtain, .loader, .sheet, .loader span::after {
    transition-duration: 0.01ms;
  }
}