/* ============================================================================
   EuanTop · Portfolio — design tokens
   ========================================================================== */

:root {
  --paper: #f4efe7;
  --paper-2: #efe9df;
  --ink: #17120f;
  --ink-60: rgba(23, 18, 15, 0.6);
  --ink-72: rgba(23, 18, 15, 0.72);
  --ink-40: rgba(23, 18, 15, 0.4);
  --ink-14: rgba(23, 18, 15, 0.14);
  --hairline: rgba(23, 18, 15, 0.12);
  --accent: #f47b5c;
  --accent-fill: var(--ink);

  --font-display: 'Fraunces', 'Songti SC', Georgia, serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --page-x: clamp(3rem, 5.5vw, 6.25rem);
  --page-y: clamp(1.1rem, 3.4vh, 2.4rem);

  --radius: 14px;
  --radius-lg: 22px;

  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
}

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

html, body { width: 100%; height: 100%; }

body {
  min-width: 320px;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(244, 188, 160, 0.18), transparent 60%),
    radial-gradient(120% 90% at -10% 110%, rgba(180, 196, 220, 0.14), transparent 55%),
    var(--paper);
  cursor: none;
}

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: none; background: none; border: 0; }
::selection { background: var(--accent); color: var(--paper); }

/* film grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%27160%27 height=%27160%27%3E%3Cfilter id=%27n%27%3E%3CfeTurbulence type=%27fractalNoise%27 baseFrequency=%270.85%27 numOctaves=%272%27 stitchTiles=%27stitch%27/%3E%3C/filter%3E%3Crect width=%27100%25%27 height=%27100%25%27 filter=%27url%28%23n%29%27/%3E%3C/svg%3E");
}

.webgl {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  outline: none;
}

.scroll-spacer {
  position: relative;
  width: 100%;
  height: calc(var(--journey-vh, 800) * 1vh);
  pointer-events: none;
}

.portfolio-app {
  position: relative;
  z-index: 20;
  min-height: 100vh;
  pointer-events: none;
}
.portfolio-app a,
.portfolio-app button {
  pointer-events: auto;
}

/* ============================================================================
   Cursor
   ========================================================================== */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 90;
  width: 0; height: 0;
  pointer-events: none;
  mix-blend-mode: difference;
  --ring: 2.3rem;
}
.cursor__dot, .cursor__ring {
  position: absolute;
  display: block;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor__dot { width: 0.42rem; height: 0.42rem; background: #fff; }
.cursor__ring {
  width: var(--ring); height: var(--ring);
  border: 1px solid rgba(255, 255, 255, 0.75);
  transition: width 220ms ease, height 220ms ease, background 220ms ease, opacity 200ms ease;
}
.cursor__label {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #fff; font-family: var(--font-mono); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  opacity: 0; transition: opacity 180ms ease; white-space: nowrap;
}
.cursor.is-hover .cursor__ring { width: calc(var(--ring) + 0.7rem); height: calc(var(--ring) + 0.7rem); }
.cursor.is-open { --ring: 4rem; }
.cursor.is-open .cursor__ring { background: rgba(255, 255, 255, 0.08); }
.cursor.is-open .cursor__label { opacity: 1; }

/* ============================================================================
   Loading
   ========================================================================== */
.loading {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  color: var(--ink); background: var(--paper);
  transition: opacity 320ms ease, visibility 320ms ease;
}
.loading__inner {
  display: grid; gap: 1.1rem;
  width: min(22rem, calc(100vw - 3rem));
}
.loading__wordmark {
  font-family: var(--font-display); font-weight: 600; font-style: italic;
  font-size: clamp(2.6rem, 8vw, 4.2rem); line-height: 1; letter-spacing: -0.02em;
}
.loading__row {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-60);
}
.loading__track { height: 0.4rem; overflow: hidden; background: var(--hairline); border-radius: 999px; }
.loading__bar {
  display: block; width: 100%; height: 100%;
  background: var(--ink); transform: scaleX(0); transform-origin: left center; border-radius: 999px;
}
.loading__note {
  font-family: var(--font-body); font-size: 0.76rem; font-weight: 500;
  color: var(--ink-60); letter-spacing: 0; text-transform: none;
}

/* ============================================================================
   Topbar
   ========================================================================== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 26;
  display: flex; justify-content: flex-end;
  padding: var(--page-y) var(--page-x);
  pointer-events: none;
}
.topbar::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, var(--paper) 0%, rgba(244, 239, 231, 0.86) 55%, rgba(244, 239, 231, 0) 100%);
  pointer-events: none;
}
.topbar__cluster {
  display: inline-flex; align-items: center; gap: 1rem;
  pointer-events: auto;
}
.topbar__links { display: inline-flex; align-items: center; gap: 0.6rem; }
.social-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.15rem; height: 2.15rem;
  border: 1px solid var(--hairline); border-radius: 50%;
  background: rgba(255, 255, 255, 0.34);
  transition: transform 220ms ease, background 220ms ease, color 220ms ease;
}
.social-link:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.social-link svg { width: 1.02rem; height: 1.02rem; fill: currentColor; }
.topbar__actions { display: inline-flex; align-items: center; gap: 0.55rem; }
.index-toggle {
  display: inline-flex; align-items: center; gap: 0.45rem;
  height: 2.15rem; padding: 0 0.85rem 0 0.65rem;
  border: 1px solid var(--hairline); border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-72);
}
.index-toggle:hover { color: var(--ink); background: rgba(255, 255, 255, 0.62); }
.index-toggle__dot { width: 0.34rem; height: 0.34rem; border-radius: 1px; background: var(--ink); opacity: 0.78; }
.index-toggle__dot:nth-child(2) { background: var(--accent); opacity: 1; }
.language-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.6rem; height: 2.15rem;
  border: 1px solid var(--hairline); border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; color: var(--ink-72);
}
.language-toggle:hover { color: var(--ink); background: rgba(255, 255, 255, 0.62); }

/* ============================================================================
   Hero (bottom-left intro + bottom-right progress panel) — original footprint
   ========================================================================== */
.hero {
  position: fixed;
  inset: 0;
  z-index: 22;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 0.36fr);
  align-items: end;
  gap: clamp(1rem, 5vw, 4rem);
  padding: 5.5rem var(--page-x) clamp(0.7rem, 2.4vw, 1.6rem);
  pointer-events: none;
}
.intro { max-width: 44rem; align-self: end; }
.intro__kicker {
  color: #8f3e31;
  font-family: var(--font-mono);
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  overflow: hidden;
}
.intro__char { display: inline-block; }
.intro__identity { display: flex; align-items: center; gap: 0.6rem; margin-top: 0.3rem; }
.intro__avatar {
  width: 1.9rem; height: 1.9rem; flex: 0 0 auto;
  border: 1px solid var(--hairline); border-radius: 50%; object-fit: cover;
  box-shadow: 0 0.4rem 1.3rem rgba(23, 18, 15, 0.1);
}
.intro__title {
  display: flex; flex-wrap: nowrap; gap: 0.24em; align-items: baseline;
  margin: 0;
  line-height: 0.92; letter-spacing: 0; white-space: nowrap;
}
.intro__title span { display: inline-block; }
.intro__title-cn {
  font-family: var(--font-display); font-style: normal; font-weight: 700;
  font-size: clamp(1.3rem, 2rem, 2rem);
}
.intro__title-en {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: clamp(1rem, 1.45rem, 1.45rem);
  color: var(--ink-72);
}
.intro__copy {
  max-width: 40rem; margin-top: 0.55rem;
  color: var(--ink-72); font-size: 0.76rem; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* progress panel (bottom-right) */
.progress-panel {
  align-self: end;
  width: min(100%, 20rem);
  justify-self: end;
}
.progress-panel__meta {
  display: flex; justify-content: space-between; gap: 1rem;
  color: var(--ink-60);
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.progress-panel__value { font-family: var(--font-mono); }
.progress-track {
  position: relative;
  height: 0.4rem; margin-top: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.42);
  border-radius: 999px;
}
.progress-fill {
  display: block; width: 100%; height: 100%;
  background: var(--accent-fill);
  transform: scaleX(0); transform-origin: left center;
}
.progress-ticks {
  position: absolute; inset: 0;
  display: flex; justify-content: space-between; align-items: center;
  pointer-events: auto;
  /* lift slightly above the track so dots are visible */
  z-index: 2;
}
.progress-tick {
  position: relative;
  width: 0.62rem; height: 0.62rem;
  display: grid; place-items: center;
  background: transparent;
}
.progress-tick::before {
  content: '';
  width: 0.3rem; height: 0.3rem; border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink-40);
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}
.progress-tick:hover::before { background: var(--accent); border-color: var(--accent); transform: scale(1.3); }
.progress-tick.is-passed::before { background: var(--ink-72); border-color: var(--ink-72); }
.progress-tick.is-active::before {
  background: var(--accent); border-color: var(--accent);
  transform: scale(1.5);
}

/* ============================================================================
   Scroll hint
   ========================================================================== */
.scroll-hint {
  position: fixed;
  left: 50%; top: clamp(1rem, 3vh, 2rem);
  z-index: 23;
  display: grid; justify-items: center; gap: 0.58rem;
  color: var(--ink-60);
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 900;
  letter-spacing: 0.08em; text-transform: uppercase;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 240ms ease, transform 240ms ease, visibility 240ms ease;
}
.scroll-hint.is-hidden { visibility: hidden; opacity: 0; transform: translate(-50%, 0.8rem); }
.scroll-hint__motion { position: relative; display: grid; justify-items: center; gap: 0.34rem; animation: scrollHintFloat 1.55s ease-in-out infinite; }
.scroll-hint__wheel {
  width: 1.38rem; height: 2.05rem;
  border: 1.5px solid var(--ink-40); border-radius: 999px; position: relative;
}
.scroll-hint__wheel::before {
  content: '';
  position: absolute; top: 1.07rem; left: 50%;
  width: 0.22rem; height: 0.42rem; border-radius: 999px;
  background: var(--ink-72); transform: translateX(-50%);
  animation: scrollHintDot 1.55s ease-in-out infinite;
}
@keyframes scrollHintFloat { 0%,100% { transform: translateY(-0.18rem); } 50% { transform: translateY(0.36rem); } }
@keyframes scrollHintDot { 0%,100% { opacity: 0.35; transform: translate(-50%, -0.36rem); } 50% { opacity: 1; transform: translate(-50%, 0.22rem); } }

/* ============================================================================
   Project layer — transparent ghost card, alternating sides
   ========================================================================== */
.project-layer {
  position: fixed; inset: 0; z-index: 8;
  pointer-events: none;
}
.project-layer::before {
  content: '';
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 0;
  width: min(54vw, 48rem);
  background: linear-gradient(
    90deg,
    var(--paper) 0%,
    rgba(244, 239, 231, 0.94) 34%,
    rgba(244, 239, 231, 0.58) 68%,
    rgba(244, 239, 231, 0) 100%
  );
  pointer-events: none;
}
.project-layer.is-right::before {
  right: 0; left: auto;
  background: linear-gradient(
    270deg,
    var(--paper) 0%,
    rgba(244, 239, 231, 0.94) 34%,
    rgba(244, 239, 231, 0.58) 68%,
    rgba(244, 239, 231, 0) 100%
  );
}

.project-card {
  position: absolute;
  top: clamp(4.8rem, 9vh, 6rem);
  left: calc(var(--page-x) - 18px);
  width: min(31rem, calc(100vw - var(--page-x) * 2));
  max-height: min(76vh, 42rem);
  padding: 0;
  overflow-y: auto;
  border: 0;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-1.4rem, 0, 0) scale(0.96);
  transition: opacity 260ms ease, transform 260ms ease;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
  isolation: isolate;
  cursor: none;
}
.project-card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-bottom: 0.7rem;
}
.project-card__year {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}
.project-card__index-wrap {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.04em; color: var(--ink-40);
}
.project-card__index { color: var(--ink); }
.project-card__title {
  margin: 0.1rem 0 0.35rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 2.5rem, 2.1rem);
  line-height: 1.04; letter-spacing: -0.01em;
}
.project-card__subtitle {
  color: var(--ink-72); font-size: 0.92rem; font-weight: 500;
}
.project-card__summary {
  margin-top: 0.45rem;
  color: var(--ink-60); font-size: 0.84rem; line-height: 1.55;
}
.project-card__detail {
  margin-top: 0.4rem;
  color: var(--ink-72); font-size: 0.8rem; line-height: 1.55;
  padding-left: 0.7rem; border-left: 2px solid var(--accent);
}
.project-card__callout {
  margin-top: 0.7rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.38);
}
.project-card__callout-label {
  display: block;
  font-family: var(--font-mono); font-size: 0.58rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.2rem;
}
.project-card__role, .project-card__outcome {
  font-size: 0.78rem; line-height: 1.5; color: var(--ink-72);
}
.project-card__sections {
  display: flex; flex-direction: column; gap: 0.55rem;
  margin-top: 0.8rem;
}
.project-card__section-heading {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink);
  margin-bottom: 0.18rem; position: relative; padding-left: 0.75rem;
}
.project-card__section-heading::before {
  content: ''; position: absolute; left: 0; top: 0.28rem;
  width: 0.34rem; height: 0.34rem; border-radius: 50%; background: var(--accent);
}
.project-card__section-body {
  color: var(--ink-72); font-size: 0.78rem; line-height: 1.5;
}
.project-card__media { display: grid; gap: 0.6rem; margin-top: 0.7rem; }
.project-card__media:empty { display: none; }
.project-card__media-grid { display: grid; gap: 0.55rem; grid-template-columns: 1fr; }
.project-card__media-grid.is-quad { grid-template-columns: repeat(2, 1fr); gap: 0.4rem; }
.project-card__media-grid.is-quad .project-card__media-item figcaption { font-size: 0.62rem; }
.project-card__media-item { margin: 0; display: grid; gap: 0.3rem; }
.project-card__media-frame {
  position: relative; width: 100%;
  border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden;
  background: var(--paper-2); box-shadow: 0 0.6rem 1.6rem rgba(23, 18, 15, 0.08);
}
.project-card__media-item--video .project-card__media-frame { aspect-ratio: 16 / 9; }
.project-card__media-item--image .project-card__media-frame img {
  display: block; width: 100%; height: auto;
}
.project-card__media-frame iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0; pointer-events: auto;
}
.project-card__media-item figcaption {
  font-size: 0.7rem; font-weight: 600; color: var(--ink-60);
}
.project-card__tags {
  display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.85rem;
}
.project-card__tags:empty { display: none; }
.project-card__tag {
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-72);
  padding: 0.3rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--hairline));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, rgba(255, 255, 255, 0.5));
}
.project-card__links {
  display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem;
}
.project-card__links:empty { display: none; }
.project-card__link {
  display: inline-flex; align-items: center;
  font-size: 0.74rem; font-weight: 600; color: var(--ink);
  padding: 0.4rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--hairline));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, rgba(255, 255, 255, 0.6));
  transition: background 200ms ease;
}
.project-card__link:hover { background: color-mix(in srgb, var(--accent) 24%, rgba(255, 255, 255, 0.6)); }
.project-card__cta {
  display: inline-flex; align-items: center; gap: 0.3rem;
  margin-top: 0.95rem;
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent);
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
  pointer-events: auto;
}
.project-card__cta i { font-style: normal; }
.project-card__cta:hover { color: var(--ink); }
.project-card::-webkit-scrollbar { width: 4px; }
.project-card::-webkit-scrollbar-thumb { background: var(--accent); }
.project-card.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  pointer-events: auto;
}
.project-card.is-right {
  right: var(--page-x);
  left: auto;
  transform: translate3d(1.4rem, 0, 0) scale(0.96);
}
.project-card.is-right.is-visible { transform: translate3d(0, 0, 0) scale(1); }

.project-card__ghost {
  position: absolute;
  top: -1rem; left: -1.5rem; z-index: 0;
  display: block;
  width: min(26rem, 88%);
  aspect-ratio: 1.55;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.8) contrast(0.9);
  mix-blend-mode: multiply;
  pointer-events: none;
}
.project-card.is-right .project-card__ghost { right: -1.5rem; left: auto; }

.project-card__content-root {
  position: relative; z-index: 1;
  padding: 0.2rem 1.5rem 0.5rem 0;
}

/* ============================================================================
   Index drawer
   ========================================================================== */
.index-drawer__scrim {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(23, 18, 15, 0.34); opacity: 0; pointer-events: none;
  backdrop-filter: blur(4px);
  transition: opacity 360ms ease;
}
.index-drawer__scrim.is-open { opacity: 1; pointer-events: auto; }
.index-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 42;
  width: min(30rem, 92vw);
  background: var(--paper);
  border-left: 1px solid var(--hairline);
  box-shadow: -1.5rem 0 4rem rgba(23, 18, 15, 0.18);
  transform: translateX(102%);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  display: flex; flex-direction: column;
  padding: var(--page-y) clamp(1.2rem, 3vw, 2.4rem);
}
.index-drawer.is-open { transform: translateX(0); }
.index-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.4rem; }
.index-drawer__title {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-60);
}
.index-drawer__close {
  width: 2.4rem; height: 2.4rem;
  border: 1px solid var(--hairline); border-radius: 50%;
  display: grid; place-items: center; color: var(--ink-72); position: relative;
}
.index-drawer__close span { position: absolute; width: 0.9rem; height: 1.5px; background: currentColor; }
.index-drawer__close span:first-child { transform: rotate(45deg); }
.index-drawer__close span:last-child { transform: rotate(-45deg); }
.index-drawer__list { list-style: none; overflow-y: auto; overscroll-behavior: contain; margin: 0 -0.4rem; padding: 0 0.4rem; }
.index-drawer__item { border-bottom: 1px solid var(--hairline); }
.index-drawer__row {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: baseline; gap: 0.4rem 0.8rem;
  width: 100%; padding: 0.95rem 0.4rem; text-align: left;
  transition: padding 220ms ease;
}
.index-drawer__row:hover { padding-left: 0.9rem; }
.index-drawer__row-index { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: var(--ink-40); }
.index-drawer__row-title { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -0.01em; }
.index-drawer__row-meta { grid-column: 2 / 3; font-size: 0.72rem; color: var(--ink-60); }
.index-drawer__row-arrow { grid-row: 1 / 3; align-self: center; color: var(--ink-40); font-size: 0.9rem; }
.index-drawer__row:hover .index-drawer__row-arrow { color: var(--accent); }

/* ============================================================================
   Project detail overlay
   ========================================================================== */
.project-detail {
  position: fixed; inset: 0; z-index: 80;
  display: none; pointer-events: none;
}
.project-detail.is-open { pointer-events: auto; }
.project-detail__backdrop {
  position: absolute; inset: 0;
  background: rgba(244, 239, 231, 0.78);
  backdrop-filter: blur(22px) saturate(1.1);
  opacity: 0;
}
.project-detail__scroll {
  position: absolute; inset: 0;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  pointer-events: auto;
}
.project-detail__head {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--page-y) var(--page-x);
  background: linear-gradient(0deg, transparent, rgba(244, 239, 231, 0.86) 60%);
  backdrop-filter: blur(6px);
}
.project-detail__back {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-72);
  border: 1px solid var(--hairline); border-radius: 999px;
  padding: 0.5rem 0.9rem; background: rgba(255, 255, 255, 0.5);
  transition: background 200ms ease;
}
.project-detail__back:hover { background: rgba(255, 255, 255, 0.78); }
.project-detail__back-arrow { font-size: 0.9rem; }
.project-detail__index {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; color: var(--ink-60);
}
.project-detail__inner {
  max-width: 46rem; margin: 0 auto;
  padding: 1.5rem var(--page-x) 8rem;
  display: flex; flex-direction: column; gap: 1.4rem;
}
.project-detail__meta {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60);
}
.project-detail__dot { width: 0.35rem; height: 0.35rem; border-radius: 50%; background: var(--accent); }
.project-detail__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.02; letter-spacing: -0.02em;
}
.project-detail__subtitle {
  font-family: var(--font-body); font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.24rem); color: var(--ink-72);
}
.project-detail__summary { color: var(--ink-72); font-size: 0.94rem; line-height: 1.66; }
.project-detail__accent-bar { height: 3px; width: 4.5rem; border-radius: 999px; background: var(--accent); }
.project-detail__callouts { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.project-detail__callout {
  border: 1px solid var(--hairline); border-radius: var(--radius);
  padding: 1rem 1.1rem; background: rgba(255, 255, 255, 0.4);
}
.project-detail__callout-label {
  display: block; font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-60); margin-bottom: 0.45rem;
}
.project-detail__role, .project-detail__outcome { font-size: 0.86rem; line-height: 1.6; color: var(--ink); }
.project-detail__sections { display: flex; flex-direction: column; gap: 1.3rem; }
.project-detail__section-heading {
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink);
  margin-bottom: 0.45rem; position: relative; padding-left: 0.9rem;
}
.project-detail__section-heading::before {
  content: ''; position: absolute; left: 0; top: 0.35rem;
  width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--accent);
}
.project-detail__section-body { color: var(--ink-72); font-size: 0.9rem; line-height: 1.7; }
.project-detail__gallery-region { display: flex; flex-direction: column; gap: 0.7rem; }
.project-detail__region-label {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-60);
}
.project-detail__media { display: grid; gap: 0.9rem; }
.project-detail__media-grid { display: grid; gap: 0.9rem; grid-template-columns: 1fr; }
.project-detail__media-grid.is-quad { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
.project-detail__media-grid.is-quad .project-detail__media-item figcaption { font-size: 0.68rem; }
.project-detail__media-item { margin: 0; display: grid; gap: 0.4rem; }
.project-detail__media-frame {
  position: relative; width: 100%;
  border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden;
  background: var(--paper-2); box-shadow: 0 0.7rem 2rem rgba(23, 18, 15, 0.08);
}
.project-detail__media-item--video .project-detail__media-frame { aspect-ratio: 16 / 9; }
.project-detail__media-item--image .project-detail__media-frame img { display: block; width: 100%; height: auto; }
.project-detail__media-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.project-detail__media-item figcaption { font-size: 0.74rem; font-weight: 600; color: var(--ink-60); }
.project-detail__footer {
  display: flex; flex-direction: column; gap: 1.1rem;
  padding-top: 1.4rem; border-top: 1px solid var(--hairline);
}
.project-detail__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-detail__tag {
  font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-72);
  padding: 0.4rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--accent) 36%, var(--hairline));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, rgba(255, 255, 255, 0.5));
}
.project-detail__links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.project-detail__links:empty { display: none; }
.project-detail__link {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.82rem; font-weight: 600;
  padding: 0.5rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--hairline));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, rgba(255, 255, 255, 0.6));
  transition: background 200ms ease;
}
.project-detail__link:hover { background: color-mix(in srgb, var(--accent) 26%, rgba(255, 255, 255, 0.6)); }
.project-detail__nav { display: flex; justify-content: space-between; gap: 0.6rem; margin-top: 0.4rem; }
.project-detail__nav-btn {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-72);
  padding: 0.6rem 0; transition: color 200ms ease;
}
.project-detail__nav-btn:hover:not(:disabled) { color: var(--accent); }
.project-detail__nav-btn:disabled { opacity: 0.3; cursor: default; }

/* ============================================================================
   Focus / reduced motion
   ========================================================================== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .scroll-hint__wheel::before { animation: none; }
}

/* ============================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  :root { --page-x: 1.1rem; --page-y: 0.9rem; }
  body { cursor: auto; }
  .cursor { display: none; }

  .topbar { flex-wrap: wrap; gap: 0.6rem 1rem; }
  .topbar__links { order: 3; }

  .hero {
    grid-template-columns: 1fr;
    align-items: stretch;
    padding-top: 2rem;
  }
  .intro { align-self: start; padding-top: 0.9rem; }
  .intro h1 { font-size: 1.9rem; }
  .intro__title-cn { font-size: 1.9rem; }
  .intro__title-en { font-size: 1.3rem; }

  .project-layer::before,
  .project-layer.is-right::before {
    top: auto; right: 0; bottom: 0; left: 0;
    width: 100%; height: min(56vh, 34rem);
    background: linear-gradient(0deg, var(--paper) 0%, rgba(244, 239, 231, 0.96) 34%, rgba(244, 239, 231, 0.62) 70%, rgba(244, 239, 231, 0) 100%);
  }

  .progress-panel {
    position: fixed; right: 1rem; bottom: 1rem; z-index: 25;
    width: auto; pointer-events: none;
  }
  .progress-panel__meta { display: block; }
  .progress-panel__meta .progress-panel__label { display: none; }
  .progress-panel__value { display: block; color: var(--ink-60); font-size: 1rem; line-height: 1; }
  .progress-track { display: none; }
  .progress-ticks { display: none; }

  .project-card {
    left: 1rem !important; right: auto !important;
    top: auto !important; bottom: 1rem;
    width: calc(100vw - 2rem);
    max-height: 42vh;
    transform: translate3d(0, 1.2rem, 0) scale(0.94);
  }
  .project-card.is-visible,
  .project-card.is-right.is-visible { transform: translate3d(0, 0, 0) scale(1); }

  .scroll-hint { top: 0.9rem; font-size: 0.68rem; }

  .project-detail__inner { padding: 1rem 1.1rem 6rem; }
  .project-detail__callouts { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { padding-top: 1.15rem; }
  .topbar { align-items: flex-start; padding-top: 0.75rem; }
  .topbar__links { max-width: 9.5rem; justify-content: flex-end; flex-wrap: wrap; row-gap: 0.15rem; }
  .intro h1 { font-size: 1.52rem; }
  .intro__identity { gap: 0.58rem; }
  .intro__avatar { width: 1.65rem; height: 1.65rem; }
  .intro__copy { margin-top: 0.6rem; font-size: 0.82rem; line-height: 1.64; }
  .project-card { max-height: 44vh; }
}

@media (hover: none) and (pointer: coarse) {
  body { cursor: auto; }
  .cursor { display: none; }
}

/*# sourceMappingURL=main.b36ace659cd8b3f7.css.map*/