:root {
  color-scheme: light;
  --paper: #f6f4ef;
  --ink: #161513;
  --muted: #6d6861;
  --quiet: #a49d93;
  --line: rgba(22, 21, 19, 0.16);
  --line-dark: rgba(22, 21, 19, 0.38);
  --oxide: #7f4630;
  --green: #394235;
  --max: 1680px;
  --gutter: 54px;
  --header: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  text-rendering: geometricPrecision;
}

body.is-menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Songti SC", "Noto Serif SC", STSong, serif;
  font-weight: 500;
  letter-spacing: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: var(--header);
  padding: 16px var(--gutter);
  background: rgba(246, 244, 239, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(246, 244, 239, 0.98);
  border-color: var(--line);
}

.wordmark {
  display: grid;
  gap: 2px;
  width: fit-content;
}

.wordmark span {
  font-family: "Songti SC", "Noto Serif SC", STSong, serif;
  font-size: 22px;
  line-height: 1;
}

.wordmark small,
.kicker,
.index,
.intro dl,
.site-nav,
.menu-toggle,
.hero-plate figcaption,
.recognition li {
  font-family: "SFMono-Regular", "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

.wordmark small {
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 32px;
  color: var(--muted);
  font-size: 13px;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover {
  color: var(--ink);
}

.menu-toggle {
  display: none;
  border: 0;
  padding: 8px 0;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.84fr) minmax(520px, 1.16fr);
  gap: 42px;
  max-width: var(--max);
  min-height: 94svh;
  margin: 0 auto;
  padding: calc(var(--header) + 42px) var(--gutter) 42px;
}

.hero-copy {
  display: grid;
  align-content: end;
  padding-bottom: 54px;
}

.kicker {
  margin-bottom: 18px;
  color: var(--oxide);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 34px;
  font-size: 98px;
  line-height: 0.96;
}

.hero h1 span {
  display: block;
  margin-top: 8px;
  font-size: 54px;
}

.hero-text {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-plate {
  align-self: stretch;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  margin: 0;
  min-height: 620px;
}

.hero-plate img {
  border: 1px solid var(--line);
  object-position: center center;
}

.hero-plate figcaption {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 18px;
  row-gap: 6px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.hero-plate figcaption span {
  grid-row: 1 / 3;
  color: var(--oxide);
}

.hero-plate figcaption strong {
  color: var(--ink);
}

.hero-plate figcaption em {
  font-style: normal;
}

.intro {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(480px, 1.08fr);
  gap: 70px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) 96px;
  border-bottom: 1px solid var(--line-dark);
}

.intro > p {
  margin: 0;
  font-family: "Songti SC", "Noto Serif SC", STSong, serif;
  font-size: 34px;
  line-height: 1.45;
}

.intro dl {
  display: grid;
  align-self: end;
  margin: 0;
  border-top: 1px solid var(--line);
}

.intro div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.intro dt {
  color: var(--quiet);
  font-size: 11px;
  text-transform: uppercase;
}

.intro dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}

.work {
  max-width: var(--max);
  margin: 0 auto;
  padding: 100px var(--gutter) 112px;
}

.section-title {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  gap: 52px;
  margin-bottom: 54px;
}

.section-title h2,
.method-copy h2,
.office h2,
.site-footer h2 {
  margin-bottom: 0;
  font-size: 52px;
  line-height: 1.18;
}

.section-title h2 {
  max-width: 980px;
}

.feature-project {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 34px;
  align-items: end;
  margin-bottom: 84px;
}

.feature-project figure,
.project-tile figure,
.method-image {
  margin: 0;
  overflow: hidden;
  background: #ded9cf;
}

.feature-project figure {
  aspect-ratio: 16 / 8.5;
}

.project-copy,
.project-tile div {
  border-top: 1px solid var(--line-dark);
  padding-top: 16px;
}

.index {
  margin-bottom: 12px;
  color: var(--oxide);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
  text-transform: uppercase;
}

.project-copy h3,
.project-tile h3 {
  margin-bottom: 10px;
  font-size: 28px;
  line-height: 1.2;
}

.project-copy p:last-child,
.project-tile p:last-child,
.method-copy p,
.office > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.project-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr 0.88fr;
  gap: 34px;
  align-items: start;
}

.project-tile {
  display: grid;
  gap: 18px;
}

.project-tile figure {
  aspect-ratio: 4 / 5;
}

.project-tile:nth-child(2) {
  padding-top: 76px;
}

.project-tile:nth-child(2) figure,
.project-tile:nth-child(3) figure {
  aspect-ratio: 5 / 4;
}

.project-tile img,
.feature-project img,
.method-image img,
.hero-plate img {
  filter: saturate(0.92) contrast(1.02);
}

.method {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 70px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) 116px;
}

.method-image {
  aspect-ratio: 16 / 9;
}

.method-copy {
  max-width: 620px;
}

.method-copy h2 {
  margin-bottom: 24px;
}

.method-copy ul {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink);
  font-size: 15px;
}

.method-copy li {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.office {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.62fr);
  gap: 70px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px var(--gutter);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.office h2 {
  max-width: 920px;
}

.office > p {
  align-self: end;
}

.recognition {
  max-width: var(--max);
  margin: 0 auto;
  padding: 84px var(--gutter) 98px;
}

.recognition ul {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  list-style: none;
}

.recognition li {
  min-height: 132px;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 54px;
  padding: 86px var(--gutter) 42px;
  background: var(--ink);
  color: var(--paper);
}

.site-footer .kicker {
  color: rgba(246, 244, 239, 0.62);
}

.site-footer h2 {
  font-size: 76px;
}

.site-footer address {
  display: grid;
  gap: 14px;
  align-content: start;
  margin: 0;
  color: rgba(246, 244, 239, 0.7);
  font-style: normal;
}

.site-footer address p {
  margin: 0;
}

.site-footer a {
  width: fit-content;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: var(--paper);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  :root {
    --gutter: 34px;
  }

  .hero,
  .intro,
  .feature-project,
  .method,
  .office {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-plate {
    min-height: 520px;
  }

  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

  .project-tile:nth-child(2) {
    padding-top: 0;
  }

  .recognition ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
    --header: 68px;
  }

  .site-header {
    padding: 14px var(--gutter);
  }

  .menu-toggle {
    display: block;
    z-index: 61;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: grid;
    place-content: center;
    gap: 28px;
    background: rgba(246, 244, 239, 0.98);
    color: var(--ink);
    font-family: "Songti SC", "Noto Serif SC", STSong, serif;
    font-size: 32px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body.is-menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    gap: 28px;
    padding-top: calc(var(--header) + 32px);
    padding-bottom: 56px;
  }

  .hero h1 {
    margin-bottom: 24px;
    font-size: 52px;
  }

  .hero h1 span {
    font-size: 35px;
  }

  .hero-text {
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-plate {
    min-height: auto;
  }

  .hero-plate img {
    aspect-ratio: 4 / 3;
    height: auto;
  }

  .hero-plate figcaption {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .intro {
    gap: 34px;
    padding-bottom: 68px;
  }

  .intro > p,
  .section-title h2,
  .method-copy h2,
  .office h2 {
    font-size: 30px;
    line-height: 1.32;
  }

  .intro div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .work {
    padding-top: 68px;
    padding-bottom: 76px;
  }

  .section-title {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 34px;
  }

  .feature-project {
    gap: 18px;
    margin-bottom: 54px;
  }

  .feature-project figure,
  .method-image {
    aspect-ratio: 4 / 3;
  }

  .project-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .project-tile figure,
  .project-tile:nth-child(2) figure,
  .project-tile:nth-child(3) figure {
    aspect-ratio: 4 / 3;
  }

  .project-copy h3,
  .project-tile h3 {
    font-size: 25px;
  }

  .method {
    gap: 30px;
    padding-bottom: 76px;
  }

  .office {
    gap: 28px;
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .recognition {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .recognition ul {
    grid-template-columns: 1fr;
  }

  .recognition li {
    min-height: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 68px var(--gutter) 36px;
  }

  .site-footer h2 {
    font-size: 48px;
  }
}