:root {
  --paper: #f4f4f1;
  --paper-deep: #d0d0cc;
  --ink: #0b0b0b;
  --quiet: #777773;
  --line: rgba(11, 11, 11, 0.18);
  --viewer: #0c0c0c;
  --viewer-ink: #d8d8d3;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.edition-index,
body.photo-viewer {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, "Microsoft YaHei", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

body.edition-index a,
body.photo-viewer a {
  color: inherit;
  text-decoration: none;
}

body.edition-index button,
body.photo-viewer button {
  padding: 0;
  border: 0;
  color: inherit;
  background: none;
  font: inherit;
  cursor: pointer;
}

.edition-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  padding: 28px 34px;
  mix-blend-mode: difference;
  color: #fff;
}

.edition-brand,
.viewer-brand {
  display: flex;
  align-items: baseline;
  gap: 11px;
  letter-spacing: 0.04em;
}

.edition-brand span,
.viewer-brand span {
  font-family: "Times New Roman", "Songti SC", serif;
  font-size: 16px;
}

.edition-brand small,
.viewer-brand small {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.edition-header nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.edition-header nav a,
.edition-header nav button,
.hero-nav a {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.edition-header nav a::after,
.hero-nav a::after,
.edition-footer a::after {
  position: absolute;
  right: 0;
  bottom: -4px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 320ms ease;
}

.edition-header nav a:hover::after,
.hero-nav a:hover::after,
.edition-footer a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.edition-hero {
  position: relative;
  min-height: 100svh;
  background: var(--paper-deep);
}

.hero-title {
  position: absolute;
  left: clamp(28px, 7vw, 110px);
  bottom: clamp(90px, 15vh, 170px);
}

.hero-title > p {
  margin: 0 0 30px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-title h1 {
  margin: 0;
  font-family: "Times New Roman", "Songti SC", serif;
  font-size: clamp(68px, 11vw, 168px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.78;
}

.hero-title > div {
  display: flex;
  align-items: baseline;
  gap: 23px;
  margin-top: 38px;
}

.hero-title strong {
  font-family: "Songti SC", "SimSun", serif;
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.18em;
}

.hero-title span {
  color: #333;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.hero-nav {
  position: absolute;
  right: clamp(28px, 7vw, 110px);
  bottom: 46px;
  display: flex;
  gap: 28px;
}

.portfolio-edition,
.notes-edition,
.journal-edition {
  padding: 150px clamp(28px, 7vw, 110px);
}

.notes-edition {
  padding-top: 30px;
}

.section-label {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr;
  align-items: baseline;
  margin-bottom: 90px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.section-label p {
  margin: 0;
  color: var(--quiet);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-label h2 {
  margin: 0;
  font-family: "Times New Roman", "Songti SC", serif;
  font-size: clamp(33px, 4vw, 58px);
  font-weight: 400;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 118px clamp(38px, 8vw, 140px);
}

.contact-image {
  display: flex;
  height: clamp(350px, 55vw, 680px);
  margin: 0;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #e8e8e4;
}

.contact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86);
  transition:
    transform 900ms cubic-bezier(0.2, 0.7, 0.2, 1),
    filter 600ms ease;
}

.contact-card:hover .contact-image img {
  transform: scale(1.012);
  filter: saturate(1);
}

.contact-caption {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 10px;
  padding-top: 13px;
  border-top: 1px solid transparent;
  transition: border-color 300ms ease;
}

.contact-card:hover .contact-caption {
  border-color: var(--line);
}

.contact-caption span,
.contact-caption time {
  color: var(--quiet);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.contact-caption h3 {
  margin: 0 0 4px;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.contact-caption p {
  margin: 0;
  color: var(--quiet);
  font-family: "Times New Roman", serif;
  font-size: 13px;
}

.contact-grid--notes {
  max-width: 980px;
}

.journal-edition {
  padding-bottom: 210px;
}

.journal-entry {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr auto;
  align-items: baseline;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

.journal-entry time,
.journal-entry > span {
  color: var(--quiet);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.journal-entry h3 {
  margin: 0 0 6px;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.journal-entry p {
  margin: 0;
  color: var(--quiet);
  font-family: "Times New Roman", serif;
}

.information-edition {
  display: grid;
  min-height: 100svh;
  grid-template-columns: 1fr 1fr;
  background: #111;
  color: #ddd;
}

.information-portrait {
  height: 100%;
  min-height: 100svh;
  margin: 0;
  overflow: hidden;
}

.information-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}

.information-copy {
  display: flex;
  padding: clamp(50px, 8vw, 130px);
  flex-direction: column;
  justify-content: center;
}

.information-copy > p:first-child {
  margin: 0 0 80px;
  color: #777;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.information-copy h2 {
  margin: 0;
  font-family: "Songti SC", "SimSun", serif;
  font-size: clamp(34px, 4vw, 62px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.45;
}

.information-text {
  max-width: 440px;
  margin: 64px 0 0;
  color: #94948f;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 14px;
  letter-spacing: 0.07em;
  line-height: 2.1;
}

.elsewhere {
  margin-top: 100px;
  border-top: 1px solid #333;
  padding-top: 16px;
  color: #777;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.elsewhere p {
  margin: 16px 0 0;
  color: #aaa;
}

.edition-footer {
  display: flex;
  justify-content: space-between;
  padding: 25px 34px;
  background: #111;
  color: #777;
  font-size: 10px;
  letter-spacing: 0.09em;
}

.edition-footer p {
  margin: 0;
}

.edition-footer a {
  position: relative;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 900ms ease,
    transform 900ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Immersive project viewer */
body.photo-viewer {
  width: 100%;
  height: 100svh;
  overflow: hidden;
  background: var(--viewer);
  color: var(--viewer-ink);
}

.viewer-header,
.viewer-footer {
  position: fixed;
  z-index: 10;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  color: #999994;
}

.viewer-header {
  top: 0;
  justify-content: space-between;
  padding: 22px 28px;
}

.viewer-header p {
  margin: 0;
  font-family: "Times New Roman", serif;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.viewer-header a:hover,
.viewer-footer button:hover {
  color: #fff;
}

.viewer-main {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: none;
}

.viewer-figure {
  display: flex;
  width: calc(100vw - 160px);
  height: calc(100svh - 150px);
  margin: 0;
  align-items: center;
  justify-content: center;
}

.viewer-figure img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  opacity: 0;
  object-fit: contain;
  transform: scale(0.997);
  transition:
    opacity 500ms ease,
    transform 800ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.viewer-figure img.is-ready {
  opacity: 1;
  transform: none;
}

.viewer-zone {
  position: absolute;
  z-index: 2;
  top: 60px;
  bottom: 62px;
  width: 50%;
  cursor: none !important;
}

.viewer-zone--previous {
  left: 0;
}

.viewer-zone--next {
  right: 0;
}

.viewer-cursor {
  position: fixed;
  z-index: 5;
  top: 0;
  left: 0;
  color: #d8d8d3;
  font-family: "Times New Roman", serif;
  font-size: 50px;
  font-weight: 200;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  will-change: transform;
}

.viewer-cursor.is-visible {
  opacity: 0.72;
}

.viewer-footer {
  bottom: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  padding: 20px 28px;
}

.viewer-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.viewer-title strong {
  color: #d0d0cb;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.viewer-title span,
.viewer-count,
.viewer-actions button {
  font-family: "Times New Roman", serif;
  font-size: 11px;
  letter-spacing: 0.05em;
}

.viewer-count {
  margin: 0;
}

.viewer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

.viewer-info {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: grid;
  visibility: hidden;
  place-items: center;
  padding: 40px;
  background: rgba(12, 12, 12, 0.95);
  opacity: 0;
  transition:
    opacity 400ms ease,
    visibility 400ms;
}

.viewer-info.is-open {
  visibility: visible;
  opacity: 1;
}

.viewer-info > button {
  position: absolute;
  top: 24px;
  right: 28px;
  color: #888;
  font-family: "Times New Roman", serif;
}

.viewer-info > div {
  width: min(520px, 100%);
}

.viewer-info p {
  color: #888;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 13px;
  letter-spacing: 0.07em;
  line-height: 2;
}

.viewer-info h1 {
  margin: 38px 0 8px;
  color: #ddd;
  font-family: "Songti SC", "SimSun", serif;
  font-size: 34px;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.viewer-info .viewer-info-en {
  margin: 0 0 55px;
  font-family: "Times New Roman", serif;
}

@media (max-width: 760px) {
  .edition-header {
    padding: 20px;
  }

  .edition-header nav {
    gap: 15px;
  }

  .edition-header nav a:nth-child(2),
  .edition-header nav a:nth-child(3) {
    display: none;
  }

  .hero-title {
    right: 20px;
    left: 20px;
    bottom: 120px;
  }

  .hero-title h1 {
    font-size: 20vw;
    line-height: 0.86;
  }

  .hero-title > div {
    display: block;
  }

  .hero-title span {
    display: block;
    margin-top: 18px;
  }

  .hero-nav {
    right: auto;
    bottom: 34px;
    left: 20px;
  }

  .portfolio-edition,
  .notes-edition,
  .journal-edition {
    padding: 100px 20px;
  }

  .notes-edition {
    padding-top: 0;
  }

  .section-label {
    display: block;
    margin-bottom: 55px;
  }

  .section-label h2 {
    margin-top: 18px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 75px;
  }

  .contact-image {
    height: 70svh;
    max-height: 600px;
  }

  .journal-entry {
    grid-template-columns: 58px 1fr auto;
  }

  .journal-entry h3 {
    font-size: 19px;
  }

  .information-edition {
    grid-template-columns: 1fr;
  }

  .information-portrait {
    min-height: 80svh;
  }

  .information-copy {
    min-height: 90svh;
    padding: 70px 25px;
  }

  .viewer-header {
    padding: 18px;
  }

  .viewer-header p {
    max-width: 52vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .viewer-figure {
    width: calc(100vw - 28px);
    height: calc(100svh - 170px);
  }

  .viewer-zone {
    top: 54px;
    bottom: 78px;
  }

  .viewer-cursor {
    display: none;
  }

  .viewer-footer {
    grid-template-columns: 1fr auto;
    row-gap: 10px;
    padding: 16px 18px;
  }

  .viewer-title span {
    display: none;
  }

  .viewer-count {
    justify-self: end;
  }

  .viewer-actions {
    grid-column: 1 / -1;
    justify-content: space-between;
    border-top: 1px solid #272727;
    padding-top: 9px;
  }
}

@media (pointer: coarse) {
  .viewer-main,
  .viewer-zone {
    cursor: default !important;
  }

  .viewer-cursor {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}