:root {
  --paper: #e9e4da;
  --paper-soft: #f3f0e9;
  --ink: #30332d;
  --muted: #74756e;
  --line: rgba(27, 28, 24, 0.19);
  --moss: #697564;
  --umber: #9a6246;
  --dark: #778170;
  --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, SimSun, serif;
  --sans: "Helvetica Neue", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-weight: 300;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
::selection { color: var(--paper); background: var(--moss); }

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 2px;
  pointer-events: none;
}
.page-progress span { display: block; width: 100%; height: 100%; background: #ae674b; transform: scaleX(0); transform-origin: left; }

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  padding: 28px 3.4vw;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 15px; width: max-content; }
.brand-cn { font: 500 18px/1 var(--serif); letter-spacing: .18em; }
.brand-en { color: var(--muted); font-size: 9px; letter-spacing: .22em; }
.desktop-nav { display: flex; gap: 34px; font-size: 12px; letter-spacing: .08em; }
.desktop-nav a { position: relative; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transition: transform .35s ease; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.menu-button { justify-self: end; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
.menu-button span { display: block; width: 16px; height: 1px; margin: 5px auto; background: currentColor; transition: transform .3s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

.menu-panel {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 11vh 10vw 6vh;
  color: var(--paper-soft);
  background: #717b6b;
  visibility: hidden;
  opacity: 0;
  transition: opacity .45s ease, visibility .45s;
}
.menu-panel.is-open { visibility: visible; opacity: 1; }
.menu-panel nav { width: min(900px, 100%); }
.menu-panel nav a { display: grid; grid-template-columns: 70px 1fr; align-items: center; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.16); font: 400 clamp(30px, 6vw, 74px)/1.15 var(--serif); }
.menu-panel nav em { color: #91968f; font: normal 10px/1 var(--sans); letter-spacing: .15em; }
.menu-panel > p { margin-top: 7vh; color: #e1dfd6; font: 18px/1.7 var(--serif); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 38% 45% 17%;
  min-height: 100svh;
  padding: 124px 3.4vw 36px;
}
.hero::before { content: ""; position: absolute; top: 0; bottom: 0; left: 38%; width: 1px; background: var(--line); }
.hero-index { position: absolute; top: 120px; left: 3.4vw; color: var(--muted); font-size: 10px; letter-spacing: .2em; }
.hero-copy { position: relative; z-index: 2; align-self: center; padding-right: 3vw; }
.eyebrow, .section-kicker { margin: 0 0 34px; color: var(--muted); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; }
.hero h1 { margin: 0 0 38px; font: 400 clamp(60px, 7vw, 118px)/.91 var(--serif); letter-spacing: -.07em; }
.hero h1 span { display: block; }
.hero h1 span:last-child { margin-left: 1.1em; color: var(--moss); }
.hero-intro { width: min(390px, 92%); margin: 0 0 38px; font: 17px/1.9 var(--serif); }
.text-link { display: inline-flex; gap: 80px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid currentColor; font-size: 12px; letter-spacing: .12em; }

.hero-art { align-self: center; margin: 0; padding: 0 4vw; }
.art-mat { padding: 4.5%; background: #d6d0c5; box-shadow: 0 28px 60px rgba(35,31,24,.13); }
.hero-art img { aspect-ratio: 1.24 / 1; object-fit: cover; }
.hero-art figcaption, .room-art figcaption { display: flex; justify-content: space-between; gap: 15px; margin-top: 13px; color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.hero-note { position: relative; display: flex; align-items: flex-end; padding: 0 0 11vh 2.4vw; }
.hero-note blockquote { margin: 0; font: 18px/1.65 var(--serif); }
.vertical-label { position: absolute; top: 6%; right: 2px; color: var(--muted); font-size: 8px; letter-spacing: .24em; writing-mode: vertical-rl; }
.scroll-cue { position: absolute; right: 3.4vw; bottom: 32px; display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.scroll-cue span { position: relative; width: 33px; height: 1px; overflow: hidden; background: var(--line); }
.scroll-cue span::after { content: ""; position: absolute; inset: 0; background: var(--ink); animation: scan 2.2s infinite ease-in-out; }
@keyframes scan { 0% { transform: translateX(-100%); } 55%,100% { transform: translateX(100%); } }

.prologue { position: relative; min-height: 96vh; padding: 17vh 6.5vw 12vh; color: #f4f0e7; background: #7a8473; overflow: hidden; }
.giant-number { position: absolute; right: -3vw; bottom: -18vh; color: rgba(244,240,231,.075); font: 400 70vw/.8 var(--serif); letter-spacing: -.13em; }
.prologue-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 20% 56% 24%; align-items: start; }
.prologue-grid h2, .section-head h2, .timeline h2, .archive h2, .collab-content h2 { margin: 0; font: 400 clamp(44px, 6vw, 96px)/1.08 var(--serif); letter-spacing: -.055em; }
.prologue-grid > div > p { width: min(620px, 92%); margin: 50px 0 0; color: #e1e3dc; font: 17px/2 var(--serif); }
.prologue-aside { align-self: end; margin: 42vh 0 0; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.42); color: #e0e2db; font-size: 12px; line-height: 1.9; }

.rooms { background: var(--paper-soft); }
.room { position: relative; display: grid; min-height: 115vh; padding: 14vh 7vw; overflow: hidden; border-bottom: 1px solid var(--line); }
.room-heading { position: relative; z-index: 2; }
.room-heading > span { color: var(--muted); font-size: 10px; letter-spacing: .2em; }
.room-heading h3 { margin: 28px 0; font: 400 clamp(48px, 6.3vw, 104px)/1.03 var(--serif); letter-spacing: -.06em; }
.room-heading p { width: 310px; font: 15px/1.9 var(--serif); }
.room-art { margin: 0; }
.room-art img { height: 100%; object-fit: cover; }
.room-landscape { grid-template-columns: 34% 54% 12%; align-items: center; }
.room-landscape .room-heading { align-self: start; padding-top: 8vh; }
.room-art-wide img { aspect-ratio: 1.25; }
.room-art-small { position: absolute; right: 3vw; bottom: 8vh; width: 21vw; min-width: 230px; padding: 13px; background: var(--paper); box-shadow: 0 24px 50px rgba(30,33,27,.13); }
.room-art-small img { aspect-ratio: .78; }
.room-people { grid-template-columns: 30% 40% 30%; align-items: center; background: #c7c4b9; }
.room-people .room-heading { align-self: end; padding-bottom: 9vh; }
.portrait-a { width: 82%; justify-self: center; }
.portrait-a img { aspect-ratio: .68; }
.portrait-b { width: 56%; justify-self: end; align-self: start; margin-top: 7vh; }
.portrait-b img { aspect-ratio: .72; }
.room-still { grid-template-columns: 34% 30% 36%; align-items: center; background: #b9b19f; color: var(--ink); }
.room-still .room-heading p, .room-still .room-heading > span { color: #60675e; }
.still-a { width: 70%; justify-self: center; align-self: end; margin-bottom: 6vh; }
.still-b { width: 83%; justify-self: end; align-self: start; margin-top: 7vh; }
.still-a img, .still-b img { aspect-ratio: .75; object-fit: cover; }

.featured { padding: 16vh 6.5vw; background: var(--paper); }
.section-head { display: grid; grid-template-columns: 22% 55% 23%; align-items: end; margin-bottom: 12vh; }
.section-head > p:last-child { font: 14px/1.9 var(--serif); }
.featured-list { border-top: 1px solid var(--line); }
.featured-item { position: relative; display: grid; grid-template-columns: 8% 0 1fr auto; align-items: center; width: 100%; min-height: 130px; padding: 22px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; transition: padding .35s ease, color .35s ease; }
.featured-no { color: var(--muted); font-size: 10px; }
.featured-image { position: relative; z-index: 2; width: 0; height: 92px; opacity: 0; overflow: hidden; transition: width .5s ease, opacity .35s ease, margin .5s ease; }
.featured-image img { height: 100%; object-fit: cover; }
.featured-title { font: 400 clamp(30px, 4vw, 66px)/1.2 var(--serif); letter-spacing: -.04em; }
.featured-title small { display: block; margin-top: 8px; color: var(--muted); font: 9px/1.2 var(--sans); letter-spacing: .14em; }
.featured-action { font-size: 10px; letter-spacing: .12em; }
.featured-item:hover { padding-left: 16px; }
.featured-item:hover .featured-image { width: 125px; margin-right: 32px; opacity: 1; }

.timeline { padding: 15vh 6.5vw 18vh; color: #e6e3da; background: #505b4d; }
.timeline-intro { display: grid; grid-template-columns: 22% 1fr; margin-bottom: 13vh; }
.timeline .section-kicker { color: #bdc4b9; }
.timeline-track { display: grid; grid-template-columns: repeat(6, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.3); }
.timeline-track li { position: relative; min-height: 260px; padding: 32px 23px; border-right: 1px solid rgba(255,255,255,.18); }
.timeline-track li::before { content: ""; position: absolute; top: -5px; left: -1px; width: 9px; height: 9px; border-radius: 50%; background: #e6e3da; }
.timeline-track span { font: 38px/1 var(--serif); }
.timeline-track p { margin: 80px 0 0; color: #c9cdc5; font-size: 12px; line-height: 1.8; }

.archive { padding: 16vh 3.4vw; background: var(--paper-soft); }
.archive-head { display: grid; grid-template-columns: 68% 32%; align-items: end; margin: 0 3.1vw 9vh; }
.archive-head > p { max-width: 380px; font: 14px/1.9 var(--serif); }
.archive-toolbar { display: flex; gap: 7px; margin: 0 3.1vw 6vh; flex-wrap: wrap; }
.archive-toolbar button { padding: 10px 18px; border: 1px solid var(--line); border-radius: 100px; background: transparent; font-size: 11px; cursor: pointer; transition: .25s ease; }
.archive-toolbar button:hover, .archive-toolbar button.is-active { color: var(--paper-soft); background: var(--moss); }
.archive-toolbar sup { margin-left: 4px; font-size: 8px; }
.archive-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 70px 14px; }
.archive-card { padding: 0; border: 0; background: transparent; text-align: left; cursor: pointer; animation: cardIn .5s both; }
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } }
.archive-card[hidden] { display: none; }
.archive-image { position: relative; display: block; aspect-ratio: .86; padding: 11%; background: #dfdbd2; overflow: hidden; }
.archive-card:nth-child(4n+2) .archive-image { background: #d2d4ca; }
.archive-card:nth-child(4n+3) .archive-image { background: #ded4c8; }
.archive-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .7s cubic-bezier(.22,.61,.36,1); }
.archive-image::after { content: "查看"; position: absolute; right: 14px; bottom: 14px; display: grid; place-items: center; width: 48px; height: 48px; color: #fff; background: rgba(96,108,91,.92); border-radius: 50%; font-size: 9px; opacity: 0; transform: translateY(8px); transition: .35s ease; }
.archive-card:hover .archive-image img { transform: scale(1.035); }
.archive-card:hover .archive-image::after { opacity: 1; transform: none; }
.archive-meta { display: flex; justify-content: space-between; margin: 15px 0 10px; color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.archive-title { display: block; font: 20px/1.45 var(--serif); }

.design-notes { padding: 16vh 6.5vw; background: #d9d2c5; overflow: hidden; }
.design-notes-head { position: relative; display: grid; grid-template-columns: 22% 52% 26%; align-items: end; padding-bottom: 10vh; border-bottom: 1px solid var(--line); }
.design-notes-head .section-kicker { align-self: start; }
.design-note-index { position: absolute; top: 0; right: 0; margin: 0; color: #85877f; font-size: 8px; letter-spacing: .2em; }
.design-notes-head h2 { grid-column: 2; margin: 0; font: 400 clamp(48px, 6vw, 96px)/1.05 var(--serif); letter-spacing: -.06em; }
.design-notes-lead { grid-column: 3; margin: 0; padding-left: 28px; border-left: 1px solid var(--line); font: 14px/1.95 var(--serif); }
.design-principles { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.design-principles article { min-height: 430px; padding: 42px 28px 36px 0; border-right: 1px solid var(--line); }
.design-principles article + article { padding-left: 28px; }
.design-principles article:last-child { border-right: 0; }
.design-principles span { color: var(--umber); font-size: 9px; letter-spacing: .15em; }
.design-principles h3 { margin: 70px 0 35px; font: 400 clamp(25px, 2.3vw, 40px)/1.25 var(--serif); letter-spacing: -.03em; }
.design-principles p { margin: 0; color: #666a62; font-size: 12px; line-height: 1.9; }
.design-mobile-note { display: grid; grid-template-columns: 56% 44%; align-items: end; padding: 11vh 0; border-bottom: 1px solid var(--line); }
.design-mobile-note span { color: var(--moss); font-size: 8px; letter-spacing: .2em; }
.design-mobile-note h3 { margin: 25px 0 0; font: 400 clamp(30px, 4vw, 62px)/1.2 var(--serif); letter-spacing: -.04em; }
.design-mobile-note > p { margin: 0; padding-left: 12%; color: #666a62; font: 14px/1.95 var(--serif); }
.design-manifesto { margin: 0; padding: 13vh 0 2vh 22%; }
.design-manifesto p { margin: 0 0 42px; font: 400 clamp(34px, 4.8vw, 76px)/1.35 var(--serif); letter-spacing: -.05em; }
.design-manifesto cite { color: var(--muted); font: normal 9px/1 var(--sans); letter-spacing: .14em; }

.collaboration { display: grid; grid-template-columns: 45% 55%; min-height: 100vh; background: #d1cdc3; }
.collab-art { position: relative; min-height: 780px; overflow: hidden; }
.collab-art img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.75); }
.collab-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(14,18,14,.58)); }
.collab-art > span { position: absolute; z-index: 1; left: 8%; bottom: 7%; color: #fff; font: 28px/1.4 var(--serif); letter-spacing: .05em; }
.collab-content { align-self: center; padding: 12vh 7vw; }
.collab-lead { width: min(560px, 100%); margin: 45px 0 48px; font: 16px/1.95 var(--serif); }
.collab-options { margin-bottom: 42px; border-top: 1px solid var(--line); }
.collab-options a { display: grid; grid-template-columns: 40px 1fr 1.2fr; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.collab-options span { color: var(--muted); font-size: 9px; }
.collab-options strong { font: 400 18px/1 var(--serif); }
.collab-options small { color: var(--muted); line-height: 1.5; }
.primary-link { display: flex; justify-content: space-between; align-items: center; width: min(360px, 100%); padding: 18px 20px; color: #f7f3ea; background: var(--moss); font-size: 12px; letter-spacing: .1em; }
.placeholder-note { color: var(--muted); font-size: 9px; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; min-height: 55vh; padding: 10vh 6.5vw 6vh; color: #f0ede5; background: #687265; }
.footer-mark { font: 400 68px/.82 var(--serif); }
.site-footer p { font-size: 10px; line-height: 1.8; letter-spacing: .18em; }
.site-footer small { color: #d0d4cc; }
.site-footer > a { justify-self: end; padding-bottom: 8px; border-bottom: 1px solid #777a74; font-size: 10px; letter-spacing: .14em; }
.footer-copy { grid-column: 1 / -1; margin-top: 9vh; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.25); color: #d0d4cc; }

.art-dialog { width: min(1180px, 94vw); height: min(760px, 92vh); max-width: none; max-height: none; padding: 0; border: 0; color: var(--ink); background: var(--paper-soft); }
.art-dialog::backdrop { background: rgba(74,82,70,.82); backdrop-filter: blur(9px); }
.dialog-close { position: absolute; top: 20px; right: 24px; z-index: 3; padding: 8px 0; border: 0; border-bottom: 1px solid; background: transparent; font-size: 10px; letter-spacing: .1em; cursor: pointer; }
.dialog-layout { display: grid; grid-template-columns: 62% 38%; height: 100%; }
.dialog-image-wrap { display: grid; place-items: center; padding: 7%; background: #d9d5cb; overflow: hidden; }
.dialog-image-wrap img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; box-shadow: 0 20px 45px rgba(23,21,17,.14); }
.dialog-copy { align-self: center; padding: 8%; }
.dialog-copy > span { color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.dialog-copy > p:first-of-type { margin: 12vh 0 12px; color: var(--umber); font-size: 10px; letter-spacing: .16em; }
.dialog-copy h2 { margin: 0 0 30px; font: 400 clamp(32px, 4vw, 58px)/1.15 var(--serif); }
.dialog-copy > p:last-of-type { font: 14px/1.9 var(--serif); }
.dialog-copy dl { margin-top: 50px; border-top: 1px solid var(--line); }
.dialog-copy dl div { display: grid; grid-template-columns: 80px 1fr; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 10px; }
.dialog-copy dt { color: var(--muted); }
.dialog-copy dd { margin: 0; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .85s ease, transform .85s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 43% 57%; padding-top: 120px; }
  .hero::before { left: 43%; }
  .hero-art { padding: 0 3vw; }
  .hero-note { display: none; }
  .prologue-grid { grid-template-columns: 1fr; gap: 45px; }
  .prologue-aside { width: 45%; margin: 8vh 0 0 auto; }
  .room { min-height: auto; padding-top: 11vh; padding-bottom: 11vh; }
  .room-landscape { grid-template-columns: 40% 60%; }
  .room-art-small { display: none; }
  .room-people { grid-template-columns: 35% 45% 20%; }
  .room-still { grid-template-columns: 38% 31% 31%; }
  .section-head { grid-template-columns: 1fr; gap: 28px; }
  .section-head > p:last-child { width: 40%; margin-left: auto; }
  .timeline-intro { grid-template-columns: 1fr; gap: 28px; }
  .timeline-track { grid-template-columns: repeat(3, 1fr); }
  .timeline-track li { border-bottom: 1px solid rgba(255,255,255,.18); }
  .archive-grid { grid-template-columns: repeat(3, 1fr); }
  .design-notes-head { grid-template-columns: 1fr; gap: 34px; }
  .design-notes-head h2, .design-notes-lead { grid-column: 1; }
  .design-notes-lead { width: 48%; margin-left: auto; }
  .design-principles { grid-template-columns: repeat(2, 1fr); }
  .design-principles article:nth-child(2) { border-right: 0; }
  .design-principles article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .collaboration { grid-template-columns: 40% 60%; }
  .collab-options a { grid-template-columns: 35px 1fr; gap: 8px; }
  .collab-options small { grid-column: 2; }
}

@media (max-width: 680px) {
  .site-header { position: absolute; left: 0; right: auto; width: 100vw; grid-template-columns: minmax(0, 1fr) auto; padding: 20px; }
  .brand-en { display: none; }
  .menu-button { background: rgba(243,240,233,.62); backdrop-filter: blur(6px); }
  .hero { display: flex; flex-direction: column; min-height: auto; padding: 105px 20px 11vh; }
  .hero::before, .hero-index { display: none; }
  .hero-copy { order: 2; min-width: 0; margin-top: 28px; padding: 0; }
  .eyebrow { margin: 24px 0 16px; }
  .hero h1 { max-width: 100%; margin-bottom: 24px; font-size: 13.8vw; line-height: .96; white-space: nowrap; }
  .hero h1 span:last-child { margin-top: 5px; margin-left: 1.15em; }
  .hero-intro { font-size: 14px; }
  .hero-art { order: 1; width: 88%; margin-left: auto; padding: 0; }
  .hero-art figcaption span:last-child { display: none; }
  .text-link { justify-content: space-between; width: 54%; gap: 0; }
  .scroll-cue { display: none; }
  .prologue { min-height: 90vh; padding: 12vh 24px; }
  .prologue-grid h2, .section-head h2, .timeline h2, .archive h2, .collab-content h2 { font-size: 12vw; }
  .prologue-grid > div > p { font-size: 15px; }
  .prologue-aside { width: 78%; margin-top: 4vh; }
  .giant-number { right: -10vw; bottom: 0; font-size: 110vw; }
  .room { display: flex; flex-direction: column; gap: 44px; min-height: 0; padding: 11vh 24px; }
  .room-heading { order: 1; }
  .room-heading h3 { font-size: 13vw; }
  .room-heading p { width: 90%; }
  .room-art { order: 2; width: 86%; align-self: flex-end; }
  .room-people .room-heading, .room-still .room-heading { align-self: auto; padding: 0; }
  .portrait-a, .portrait-b, .still-a, .still-b { margin: 0; }
  .portrait-b, .still-b { width: 44%; margin-top: -31%; align-self: flex-start; z-index: 2; box-shadow: 0 16px 34px rgba(58,56,48,.15); }
  .featured { padding: 11vh 24px; }
  .section-head { margin-bottom: 7vh; }
  .section-head > p:last-child { width: 80%; }
  .featured-item { grid-template-columns: 38px 1fr auto; min-height: 105px; }
  .featured-image { display: none; }
  .featured-title { font-size: 24px; }
  .featured-action { font-size: 0; }
  .featured-action::after { content: "↗"; font-size: 16px; }
  .timeline { padding: 11vh 24px; }
  .timeline-track { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid rgba(255,255,255,.3); }
  .timeline-track li { min-height: 0; padding: 24px 0 30px 52px; border-right: 0; }
  .timeline-track li::before { top: 32px; left: -5px; }
  .timeline-track p { max-width: 260px; margin: 16px 0 0; }
  .archive { padding: 11vh 14px; }
  .archive-head { grid-template-columns: 1fr; gap: 28px; margin: 0 10px 6vh; }
  .archive-toolbar { flex-wrap: nowrap; margin: 0 10px 5vh; padding-bottom: 8px; overflow-x: auto; scrollbar-width: none; }
  .archive-toolbar::-webkit-scrollbar { display: none; }
  .archive-toolbar button { flex: 0 0 auto; }
  .archive-grid { grid-template-columns: repeat(2, 1fr); gap: 42px 8px; }
  .archive-image { padding: 8%; }
  .archive-title { font-size: 15px; }
  .design-notes { padding: 11vh 24px; }
  .design-notes-head { padding-bottom: 7vh; }
  .design-note-index { position: static; order: 2; }
  .design-notes-head h2 { order: 3; font-size: 12vw; }
  .design-notes-lead { order: 4; width: 88%; margin-left: 12%; padding: 22px 0 0; border-top: 1px solid var(--line); border-left: 0; font-size: 13px; }
  .design-principles { grid-template-columns: 1fr; }
  .design-principles article, .design-principles article + article { min-height: 0; padding: 36px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .design-principles article:last-child { border-bottom: 0; }
  .design-principles h3 { margin: 30px 0 22px; font-size: 30px; }
  .design-mobile-note { grid-template-columns: 1fr; gap: 36px; padding: 8vh 0; }
  .design-mobile-note h3 { font-size: 30px; }
  .design-mobile-note > p { padding-left: 12%; font-size: 13px; }
  .design-manifesto { padding: 9vh 0 1vh; }
  .design-manifesto p { font-size: 9vw; }
  .collaboration { display: flex; flex-direction: column; }
  .collab-art { min-height: 58vh; }
  .collab-content { padding: 11vh 24px; }
  .site-footer { grid-template-columns: 1fr 1fr; padding: 9vh 24px 5vh; }
  .site-footer > a { grid-column: 2; grid-row: 1; }
  .art-dialog { width: 100vw; height: 100svh; }
  .dialog-layout { grid-template-columns: 1fr; grid-template-rows: 50% auto; overflow-y: auto; }
  .dialog-image-wrap { padding: 11%; }
  .dialog-copy { align-self: start; padding: 26px; }
  .dialog-copy > p:first-of-type { margin: 14px 0 10px; }
  .dialog-copy dl { margin-top: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}