@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap");

:root {
  --paper: #f3f0e8;
  --paper-deep: #e9e4d8;
  --ink: #161616;
  --muted: #6c6a63;
  --line: #c9c4b8;
  --signal: #e75f2d;
  --dark: #1b1c1a;
  --serif: "Newsreader", Georgia, serif;
  --sans: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.mono { font-family: var(--mono); letter-spacing: .02em; }
.site-header { min-height: 74px; padding: 20px 5vw; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 12px; font: 600 14px var(--mono); letter-spacing: .09em; }
.wordmark > span:first-child { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--ink); font-size: 11px; }
.wordmark-name { font-size: 12px; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 46px); font: 500 12px var(--mono); }
.site-nav a { padding: 6px 0; }
.site-nav a:hover, .text-link:hover, .arrow-link:hover { color: var(--signal); }
.nav-signal { display: flex; gap: 8px; align-items: center; }
.nav-signal span, .text-link span, .arrow-link span { color: var(--signal); }
.menu-toggle { display: none; background: none; border: 0; }
.section { padding: 120px 5vw; }
.section-rule { border-top: 1px solid var(--line); }
.hero { min-height: calc(100vh - 74px); padding-top: 11vh; display: grid; grid-template-columns: minmax(86px, 1fr) minmax(300px, 5.1fr) 1.7fr; grid-template-rows: 1fr auto; gap: 20px; }
.hero-index, .section-label, .kicker { font-size: 11px; color: var(--muted); }
.hero-copy { align-self: center; max-width: 760px; }
.kicker { margin: 0 0 26px; color: var(--ink); font-weight: 600; letter-spacing: .06em; }
.signal-dot, .status i, .exp-status i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--signal); vertical-align: 1px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(46px, 7.5vw, 112px); line-height: .96; letter-spacing: -.045em; font-weight: 500; }
h1 em, h2 em { font-family: var(--serif); font-weight: 400; letter-spacing: -.03em; }
.hero-lede { max-width: 480px; font-size: 17px; color: #4a4843; }
.hero-actions, .contact-actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 34px; padding: 14px 17px; font: 500 12px var(--mono); transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { min-width: 174px; color: var(--paper); background: var(--ink); }
.text-link, .arrow-link { font: 500 12px var(--mono); }
.hero-mark { align-self: center; justify-self: center; width: min(210px, 80%); aspect-ratio: 1; border: 1px solid var(--line); display: grid; place-items: center; position: relative; transform: rotate(-8deg); }
.hero-mark .mark-ring { position: absolute; inset: 13%; border: 1px solid var(--signal); border-radius: 50%; }
.hero-mark span { position: relative; font: 500 15px/1.05 var(--mono); letter-spacing: .08em; text-align: center; }
.hero-mark small { position: absolute; bottom: 16px; font: 10px var(--mono); color: var(--muted); }
.hero-footer { grid-column: 2 / -1; display: flex; gap: 34px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.hero-footer .mono { margin-left: auto; color: var(--ink); }
.section-heading { margin-bottom: 56px; }
.section-label { margin-bottom: 16px; }
h2 { font-size: clamp(34px, 5vw, 66px); line-height: 1.02; letter-spacing: -.04em; font-weight: 500; margin-bottom: 15px; }
.section-intro { color: var(--muted); font-size: 15px; }
.work-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 7vw; align-items: start; }
.work-image { position: relative; min-height: 440px; overflow: hidden; background: #20211f; color: var(--paper); }
.image-context { background: linear-gradient(125deg, #20211f 0 42%, #383832 42% 43%, #d6d0c1 43%); }
.image-context::after { content: ""; position: absolute; width: 57%; height: 60%; right: 11%; top: 17%; background: repeating-linear-gradient(0deg, rgba(17,17,17,.8) 0 2px, transparent 2px 19px), #d8d3c6; box-shadow: 17px 20px 0 rgba(231,95,45,.9); transform: rotate(-3deg); }
.context-lines { position: absolute; z-index: 2; left: 11%; bottom: 12%; width: 24%; display: grid; gap: 12px; }
.context-lines i { display: block; height: 1px; background: var(--signal); }
.context-lines i:nth-child(2) { width: 70%; }.context-lines i:nth-child(3) { width: 88%; }.context-lines i:nth-child(4) { width: 45%; }.context-lines i:nth-child(5) { width: 76%; }
.image-stamp { position: absolute; z-index: 3; top: 24px; left: 24px; font-size: 11px; line-height: 1.25; color: var(--paper); }
.image-caption { position: absolute; z-index: 3; bottom: 24px; right: 24px; font-size: 10px; color: var(--paper); }
.work-meta, .item-top { display: flex; justify-content: space-between; gap: 12px; padding: 17px 0 9px; color: var(--muted); font-size: 10px; }
.status { color: var(--signal); }
.work-feature h3 { font-size: 32px; letter-spacing: -.04em; margin-bottom: 8px; }
.work-feature p, .work-item p { max-width: 580px; color: #55534d; font-size: 15px; }
.arrow-link { display: inline-flex; gap: 12px; margin-top: 14px; }
.work-list { border-top: 1px solid var(--ink); }
.work-item { position: relative; padding: 9px 38px 28px 0; border-bottom: 1px solid var(--line); }
.work-item h3 { margin: 5px 0 5px; font-size: 25px; letter-spacing: -.04em; font-weight: 500; }
.work-item p { margin-bottom: 0; font-size: 14px; }
.item-arrow { position: absolute; right: 0; top: 53px; color: var(--signal); font: 22px var(--mono); }
.split-heading { display: flex; justify-content: space-between; align-items: end; }
.split-heading .section-intro { min-width: 210px; margin-bottom: 11px; }
.experiment-table { border-top: 1px solid var(--ink); }
.experiment-row { width: 100%; display: grid; grid-template-columns: 115px 1fr 140px 22px; gap: 18px; align-items: center; padding: 22px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; }
.experiment-row:hover .exp-title, .experiment-row.active .exp-title { color: var(--signal); }
.exp-number, .exp-status { font-size: 11px; color: var(--muted); }
.exp-title { font-size: clamp(17px, 2.1vw, 27px); letter-spacing: -.03em; transition: color .2s ease; }
.exp-status { text-align: right; }
.exp-status i { width: 6px; height: 6px; margin-left: 6px; }
.exp-plus { color: var(--signal); font-size: 22px; font-weight: 300; text-align: right; transition: transform .2s ease; }
.active .exp-plus { transform: rotate(45deg); }
.experiment-detail { display: none; grid-template-columns: 115px 1fr; gap: 18px; padding: 0 0 24px; border-bottom: 1px solid var(--line); }
.experiment-detail.open { display: grid; }
.detail-label { padding-top: 4px; color: var(--muted); font-size: 10px; }
.experiment-detail p { max-width: 600px; font-size: 19px; margin-bottom: 18px; }
.detail-bottom { grid-column: 2; display: flex; justify-content: space-between; max-width: 600px; color: var(--muted); font-size: 11px; }
.detail-bottom a { color: var(--signal); }
.section-link { display: inline-block; margin-top: 30px; font: 500 12px var(--mono); }
.case-section { background: #e9e4d8; }
.case-header { display: flex; justify-content: space-between; align-items: end; gap: 36px; margin-bottom: 54px; }
.case-status { display: flex; flex-direction: column; align-items: end; gap: 12px; padding-bottom: 9px; font-size: 10px; color: var(--muted); }
.case-lede { display: grid; grid-template-columns: 1.25fr .75fr; gap: 7vw; max-width: 1080px; margin-bottom: 70px; }
.case-lede p:not(.large-copy) { max-width: 430px; margin: 7px 0 0; color: #55534d; font-size: 15px; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); }
.case-column { min-height: 300px; padding: 23px 32px 27px 0; border-bottom: 1px solid var(--line); }
.case-column:nth-child(odd) { padding-right: 5vw; border-right: 1px solid var(--line); }
.case-column:nth-child(even) { padding-left: 32px; }
.case-column-label { color: var(--muted); font-size: 10px; }
.case-column h3 { max-width: 360px; margin: 34px 0 12px; font-size: 25px; line-height: 1.1; letter-spacing: -.035em; font-weight: 500; }
.case-column p { max-width: 460px; color: #55534d; font-size: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 25px; }
.case-tags span { padding: 5px 8px; border: 1px solid #b8b2a5; color: var(--muted); font: 10px var(--mono); }
.case-verdict { display: grid; grid-template-columns: 1fr 2fr; gap: 7vw; padding-top: 30px; }
.case-verdict > span { color: var(--signal); font-size: 10px; }
.case-verdict p { max-width: 650px; margin: 0; font: 400 27px/1.15 var(--serif); }
.notes-section { background: var(--paper-deep); }
.notes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.note-card { min-height: 255px; padding: 22px; background: var(--paper); display: flex; flex-direction: column; justify-content: space-between; }
.accent-note { background: var(--signal); color: var(--paper); }
.note-number, .note-date { font-size: 10px; }
.note-date { color: var(--muted); }
.accent-note .note-date { color: rgba(243,240,232,.8); }
.note-card p { max-width: 320px; margin: 28px 0; font: 400 24px/1.15 var(--serif); }
.about-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 7vw; }
.about-copy { max-width: 670px; }
.large-copy { font-size: 25px; line-height: 1.25; letter-spacing: -.02em; }
.about-copy > p:not(.large-copy) { max-width: 540px; color: #55534d; }
.path-line { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin: 42px 0 30px; font: 11px var(--mono); }
.path-line b { color: var(--signal); font-weight: 400; }
.contact-section { padding: 120px 5vw 105px; background: var(--dark); color: var(--paper); }
.contact-inner { max-width: 1000px; }
.contact-section .section-label { color: #9f9d94; }
.contact-section h2 { font-size: clamp(40px, 6vw, 78px); }
.contact-section > .contact-inner > p:not(.section-label):not(.contact-note) { max-width: 560px; color: #b4b1a8; }
.button-light { background: var(--paper); color: var(--ink); min-width: 145px; }
.button-outline-light { border: 1px solid #77766f; min-width: 120px; }
.button-disabled { cursor: default; opacity: .72; }
.button-disabled:hover { transform: none; }
.contact-note { margin-top: 50px; font-size: 10px; color: #8c8980; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 20px 5vw; background: var(--dark); color: #8c8980; border-top: 1px solid #44453f; font: 10px var(--mono); }
.site-footer a:hover { color: var(--paper); }
.page-main { min-height: calc(100vh - 155px); padding: 112px 5vw 130px; }
.page-main h1 { max-width: 920px; margin: 12px 0 24px; }
.page-main h1 em { font-family: var(--serif); font-weight: 400; }
.page-intro { max-width: 540px; margin-bottom: 75px; color: var(--muted); font-size: 17px; }
.archive-note { display: grid; grid-template-columns: 1fr 2fr; gap: 7vw; max-width: 900px; margin: -22px 0 70px; padding: 18px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.archive-note p { max-width: 620px; margin: 0; }
.page-table .active .exp-title { color: var(--signal); }
.page-table { max-width: 1080px; }
.page-table .experiment-row { display: grid; }
.page-detail { display: grid; grid-template-columns: 115px 1fr; gap: 18px; padding: 0 0 25px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.page-detail p { max-width: 650px; margin: 0 0 18px; color: var(--ink); font: 400 20px/1.2 var(--serif); }
.page-detail .mono:last-child { grid-column: 2; }
.experiment-document { max-width: 1080px; margin-top: 125px; padding-top: 30px; border-top: 2px solid var(--ink); }
.document-header { display: flex; justify-content: space-between; gap: 40px; margin-bottom: 75px; }
.document-header h2 { max-width: 720px; margin-top: 20px; font-size: clamp(35px, 5vw, 62px); }
.document-header > div > span, .document-date { color: var(--muted); font-size: 10px; }
.document-date { text-align: right; line-height: 1.7; }
.document-layout { display: grid; grid-template-columns: 180px 1fr; gap: 6vw; }
.document-index { position: sticky; top: 30px; align-self: start; display: grid; gap: 12px; font: 11px var(--mono); color: var(--muted); }
.document-index span { margin-bottom: 10px; color: var(--signal); }
.document-index a:hover { color: var(--signal); }
.document-body { max-width: 700px; }
.document-body section { scroll-margin-top: 35px; margin-bottom: 88px; }
.document-label { color: var(--signal); font-size: 10px; }
.document-body h3 { max-width: 660px; margin: 18px 0 18px; font-size: clamp(25px, 3vw, 39px); line-height: 1.08; letter-spacing: -.04em; font-weight: 500; }
.document-body p { max-width: 630px; color: #55534d; font-size: 17px; line-height: 1.75; }
.document-body blockquote { margin: 30px 0 0; padding-left: 20px; border-left: 2px solid var(--signal); font: 400 25px/1.25 var(--serif); }
.document-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.document-facts span { padding: 7px 9px; border: 1px solid var(--line); color: var(--muted); font: 10px var(--mono); }
.evidence-list { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; padding-top: 17px; border-top: 1px solid var(--line); font: 11px var(--mono); }
.evidence-list span { color: var(--signal); margin-right: 10px; }
.evidence-list a { color: var(--muted); }
.evidence-list a:hover { color: var(--signal); }
.next-status { display: flex; justify-content: space-between; max-width: 630px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font: 11px var(--mono); }
.next-status .status { color: var(--signal); }
.page-notes { max-width: 1080px; }
.about-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; max-width: 1050px; margin-top: 70px; }
.about-page-grid > div > p { max-width: 560px; color: #55534d; font-size: 17px; }
.about-page-grid h2 { margin-top: 78px; font-size: 34px; }
.belief-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.belief-list li { padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
.error-page { min-height: 100vh; padding: 12vh 8vw; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.error-page h1 { margin: 16px 0; }
.error-page p:not(.section-label) { color: var(--muted); margin-bottom: 30px; }
@media (max-width: 780px) {
  .site-header { position: relative; min-height: 66px; padding: 16px 5vw; }
  .menu-toggle { display: flex; align-items: center; gap: 8px; font: 11px var(--mono); padding: 6px 0; }
  .menu-icon { color: var(--signal); font-size: 20px; line-height: 0; }
  .site-nav { display: none; position: absolute; z-index: 10; left: 0; right: 0; top: 65px; padding: 10px 5vw 22px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 2px; }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; padding-top: 52px; grid-template-columns: 1fr; grid-template-rows: auto; gap: 34px; }
  .hero-index { order: -2; }
  .hero-copy { order: -1; }
  h1 { font-size: clamp(44px, 14vw, 78px); }
  .hero-mark { justify-self: end; width: 134px; margin-right: 12px; }
  .hero-footer { grid-column: 1; gap: 12px; flex-wrap: wrap; }
  .hero-footer .mono { margin-left: 0; width: 100%; }
  .section { padding: 78px 5vw; }
  .work-grid, .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .case-header, .case-lede { display: block; }
  .case-status { align-items: start; margin-top: 28px; }
  .case-lede { margin-bottom: 42px; }
  .case-lede p:not(.large-copy) { margin-top: 22px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-column, .case-column:nth-child(odd), .case-column:nth-child(even) { min-height: auto; padding: 24px 0 28px; border-right: 0; }
  .case-column h3 { margin-top: 25px; }
  .case-verdict { display: block; }
  .case-verdict p { margin-top: 20px; font-size: 23px; }
  .work-image { min-height: 300px; }
  .split-heading { display: block; }
  .split-heading .section-intro { margin-top: 24px; }
  .experiment-row { grid-template-columns: 74px 1fr 20px; gap: 10px; }
  .exp-status { display: none; }
  .experiment-detail { grid-template-columns: 74px 1fr; gap: 10px; }
  .experiment-detail p { font-size: 17px; }
  .detail-bottom { grid-column: 2; display: block; }
  .detail-bottom a { display: inline-block; margin-top: 10px; }
  .notes-grid { grid-template-columns: 1fr; gap: 2px; }
  .note-card { min-height: 205px; }
  .large-copy { font-size: 22px; }
  .contact-section { padding: 78px 5vw; }
  .contact-actions { align-items: stretch; flex-direction: column; gap: 10px; max-width: 210px; }
  .site-footer { flex-direction: column; gap: 8px; }
  .page-main { padding: 78px 5vw 90px; }
  .page-intro { margin-bottom: 48px; }
  .archive-note { display: block; margin-top: -10px; margin-bottom: 45px; }
  .archive-note p { margin-top: 13px; }
  .page-detail { grid-template-columns: 74px 1fr; gap: 10px; }
  .page-detail p { font-size: 17px; }
  .page-detail .mono:last-child { grid-column: 2; }
  .about-page-grid { grid-template-columns: 1fr; gap: 35px; margin-top: 45px; }
  .about-page-grid h2 { margin-top: 55px; }
  .error-page { padding: 10vh 5vw; }
  .experiment-document { margin-top: 80px; padding-top: 22px; }
  .document-header { display: block; margin-bottom: 48px; }
  .document-header h2 { margin-top: 15px; }
  .document-date { margin-top: 20px; text-align: left; }
  .document-layout { display: block; }
  .document-index { position: static; display: flex; flex-wrap: wrap; gap: 10px 15px; margin-bottom: 55px; padding-bottom: 15px; border-bottom: 1px solid var(--line); }
  .document-index span { width: 100%; margin-bottom: 2px; }
  .document-body section { margin-bottom: 65px; }
  .document-body h3 { font-size: 28px; }
  .document-body p { font-size: 16px; }
  .document-body blockquote { font-size: 22px; }
  .evidence-list { align-items: flex-start; flex-direction: column; gap: 10px; }
}