:root {
  --paper: #f5f4ef;
  --white: #fff;
  --ink: #252b29;
  --muted: #5d625e;
  --line: #cfd1c9;
  --accent: #a24d33;
  --soft: #eaece5;
  --gutter: clamp(24px, 5.3vw, 88px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 128px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
p, h1, h2, h3, figure, dl, dd { margin: 0; }
p { line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
::selection { background: #ded5bc; color: var(--ink); }
.wrap { width: min(100%, 1600px); padding-inline: var(--gutter); margin-inline: auto; }
.accent { color: var(--accent); }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .12em; line-height: 1.5; text-transform: uppercase; }
.skip-link { position: fixed; z-index: 5; top: 12px; left: 12px; transform: translateY(-160%); background: var(--ink); color: var(--white); min-height: 44px; padding: 12px 18px; }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 4; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; }
.wordmark { display: inline-block; min-height: 44px; font-size: 22px; font-weight: 600; line-height: 1.08; letter-spacing: -.055em; text-decoration: none; }
.wordmark-dot { color: var(--accent); }
.site-header nav { display: flex; align-items: center; gap: 38px; }
.site-header nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; font-size: 14px; text-decoration: none; padding: 12px 4px; }
.site-header nav a:hover { text-decoration: underline; }
.hero-stage { position: relative; background: var(--ink); color: var(--paper); isolation: isolate; }
.hero-stage::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgb(12 18 16 / 8%) 0%, rgb(12 18 16 / 74%) 32%, rgb(12 18 16 / 88%) 100%); }
.hero-photo { position: absolute; inset: 0; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; }
.hero-photo figcaption { position: absolute; z-index: 3; right: var(--gutter); bottom: 12px; left: var(--gutter); width: fit-content; max-width: 1600px; margin-left: auto; padding: 0 12px; background: var(--ink); color: var(--paper); font-size: 12px; line-height: 1.6; }
.hero-photo figcaption a, .story-visual figcaption a { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; }
.hero-photo figcaption a:hover { color: var(--white); }
.hero-photo figcaption a:focus-visible { outline-color: var(--paper); outline-offset: 2px; }
.hero-heading { position: relative; z-index: 2; padding-block: clamp(180px, 20vw, 320px) 100px; }
.hero-heading .accent { color: #e0a38c; }
.hero-heading .accent-dot { background: #e0a38c; }
.hero-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 31px; }
.accent-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
h1 { max-width: 1210px; font-size: clamp(58px, 7.8vw, 118px); font-weight: 400; letter-spacing: -.065em; line-height: .99; text-wrap: balance; }
.hero-bottom { display: grid; grid-template-columns: 1.13fr 1fr; gap: clamp(48px, 9vw, 150px); padding-block: 53px 70px; align-items: start; }
.hero-bottom > *, .section-heading > *, .service-grid > *, .stat-grid > *, .building-story > *, .footer-grid > * { min-width: 0; }
.challenge-label { padding-top: 0; margin-bottom: 22px; }
.audience { max-width: 620px; font-size: clamp(24px, 2.4vw, 35px); line-height: 1.2; letter-spacing: -.035em; }
.hero-description { max-width: 430px; padding-top: 2px; }
.hero-description p { font-size: 16px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; gap: 34px; font-size: 13px; margin-top: 23px; text-decoration: none; padding-block: 8px; border-bottom: 1px solid var(--ink); }
.text-link span { font-size: 20px; }
.stat-band { background: var(--ink); color: var(--paper); }
.stat-grid { display: grid; grid-template-columns: 1fr 1.12fr .85fr 1fr; padding-block: 43px; align-items: stretch; }
.stat-context { padding-right: 20px; }
.stat-context .eyebrow { color: #bdc2b8; font-size: 10px; }
.stat-context > p:nth-child(2) { margin-top: 13px; font-size: 18px; line-height: 1.3; letter-spacing: -.025em; }
.stat-context a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; color: #c3c7bf; margin-top: 8px; }
.stat-context a:hover { color: var(--white); }
.stat { display: flex; flex-direction: column; justify-content: center; gap: 15px; padding-left: clamp(22px, 3vw, 48px); border-left: 1px solid #505650; }
.stat-value { font-size: clamp(45px, 5.2vw, 78px); font-weight: 400; line-height: 1; letter-spacing: -.055em; }
.stat-period { font-size: clamp(34px, 4.15vw, 62px); white-space: nowrap; }
.stat-label { color: #c3c7bf; font-size: 12px; }
.section-space { padding-block: 112px; }
.section-heading { display: grid; grid-template-columns: 1fr 3fr; gap: 36px; }
.section-label { padding-top: 11px; color: var(--accent); }
h2 { max-width: 900px; font-size: clamp(42px, 4.6vw, 68px); font-weight: 400; letter-spacing: -.055em; line-height: 1.06; text-wrap: balance; }
.section-intro { font-size: 17px; color: var(--muted); max-width: 600px; margin-top: 25px; }
.checklist { list-style: none; counter-reset: question; padding: 0; margin: 48px 0 0; margin-left: calc((100% + 108px) / 4); }
.checklist li { counter-increment: question; position: relative; border-top: 1px solid var(--line); padding: 25px 0 28px 54px; }
.checklist li::before { content: "0" counter(question); position: absolute; left: 0; top: 30px; color: var(--accent); font-size: 12px; }
.checklist h3 { font-size: clamp(23px, 2.3vw, 32px); font-weight: 400; letter-spacing: -.035em; line-height: 1.2; }
.checklist p { margin-top: 12px; max-width: 680px; color: var(--muted); font-size: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 60px; margin-top: 66px; }
.service { padding-block: 24px 37px; border-top: 1px solid var(--line); }
.service h3 { font-size: 30px; letter-spacing: -.035em; line-height: 1.15; font-weight: 400; max-width: 440px; min-height: 70px; }
.service .tagline { margin-top: 13px; font-size: 14px; color: var(--accent); line-height: 1.45; }
.service > p:last-child { font-size: 16px; color: var(--muted); margin-top: 13px; max-width: 520px; }
.buildings { background: var(--white); }
.study-note { color: var(--muted); font-size: 12px; max-width: 570px; margin-top: 20px; padding-left: 13px; border-left: 2px solid var(--accent); }
.buildings-heading { padding-bottom: 80px; }
.building-story { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); column-gap: clamp(40px, 5vw, 80px); border-top: 1px solid var(--line); padding-block: 30px 44px; margin-bottom: 18px; align-items: start; }
.building-story:last-child { padding-bottom: 0; margin-bottom: 0; }
.story-visual img { width: 100%; aspect-ratio: 1.4; object-fit: cover; border-radius: 2px; background: var(--soft); }
.story-visual figcaption { font-size: 10px; line-height: 1.6; margin-top: 11px; color: var(--muted); max-width: 95%; }
.story-content { padding-top: 0; }
.story-content h3 { font-size: clamp(30px, 2.9vw, 44px); font-weight: 400; letter-spacing: -.045em; line-height: 1.06; text-wrap: balance; }
.story-meta { margin-top: 22px; padding-block: 14px; border-block: 1px solid var(--line); }
.story-meta > div { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 10px; margin-block: 4px; }
.story-meta dt { color: var(--muted); font-size: 10px; line-height: 1.6; text-transform: uppercase; letter-spacing: .05em; padding-top: 2px; }
.story-meta dd { font-size: 12px; line-height: 1.6; }
.reader-question { margin-top: 14px; font-size: 14px; line-height: 1.5; }
.reverse { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.reverse .story-visual { grid-column: 2; grid-row: 1; }
.reverse .story-content { grid-column: 1; grid-row: 1; }
.insights { background: var(--soft); }
.news-feed { list-style: none; padding: 0; margin: 58px 0 0; }
.feed-item { display: grid; grid-template-columns: 1fr 3fr; column-gap: 36px; border-top: 1px solid var(--line); padding-block: 30px 34px; }
.feed-item > * { min-width: 0; }
.feed-item .feed-meta { grid-column: 1; grid-row: 1 / 3; align-content: start; display: flex; flex-wrap: wrap; gap: 4px 7px; padding-top: 6px; font-size: 12px; color: var(--muted); }
.feed-meta > span:first-child { flex-basis: 100%; color: var(--ink); font-weight: 600; }
.feed-meta > span[aria-hidden] { display: none; }
.feed-item h3 { grid-column: 2; font-size: clamp(25px, 2.6vw, 36px); font-weight: 400; letter-spacing: -.035em; line-height: 1.18; max-width: 850px; }
.feed-item h3 a { display: inline-block; min-height: 44px; text-decoration-color: var(--line); }
.feed-item h3 a:hover { text-decoration-color: currentColor; }
.feed-item > p:last-child { grid-column: 2; margin-top: 16px; max-width: 720px; font-size: 16px; color: var(--muted); }
.invitation { border-top: 1px solid var(--line); margin-top: 32px; padding-top: clamp(40px, 5vw, 72px); }
.invitation p { max-width: 900px; margin-left: calc((100% + 108px) / 4); font-size: clamp(24px, 2.8vw, 38px); line-height: 1.3; letter-spacing: -.035em; }
.site-footer { border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr 2fr auto; align-items: center; gap: 36px; padding-block: 42px; }
.site-footer .wordmark { font-size: 18px; }
.site-footer p { font-size: 11px; line-height: 1.7; color: var(--muted); }
.footer-byline { max-width: 650px; }
.site-footer .byline-name { color: var(--ink); font-weight: 600; font-size: 13px; margin-bottom: 8px; }
.site-footer .disclaimer { margin-top: 16px; }
.footer-link { color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.back-top { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; text-decoration: none; white-space: nowrap; }
.back-top span { margin-left: 15px; }

@media (max-width: 1000px) {
  .header-inner { padding-block: 20px; }
  .hero-bottom { gap: 45px; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 32px; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat-value { font-size: 64px; }
  .stat-period { font-size: 54px; }
  .stat-context > p:nth-child(2) { font-size: 20px; }
  .section-space { padding-block: 80px; }
  .section-heading { grid-template-columns: 1fr 3fr; gap: 25px; }
  .checklist { margin-left: calc((100% + 75px) / 4); }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 35px; }
  .service h3 { min-height: 58px; }
  .building-story, .reverse { column-gap: 32px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .story-meta > div { grid-template-columns: 1fr; gap: 0; margin-block: 8px; }
  .story-content h3 { font-size: 32px; }
  .feed-item { column-gap: 25px; }
  .invitation p { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr 2fr; }
  .back-top { grid-column: 2; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 140px; }
  .header-inner { flex-direction: column; align-items: stretch; gap: 8px; padding-block: 14px 8px; }
  .wordmark { font-size: 18px; }
  .site-header .wordmark { display: block; min-height: 44px; padding-block: 3px; }
  .site-header nav { gap: 2px; justify-content: space-between; flex-wrap: wrap; }
  .site-header nav a { font-size: 13px; padding: 10px 2px; }
  .hero-stage::before { display: none; }
  .hero-photo { position: relative; z-index: auto; }
  .hero-photo img { height: clamp(270px, 75vw, 440px); object-position: 64% 42%; }
  .hero-photo figcaption { position: static; width: auto; margin: 0; padding: 8px var(--gutter); }
  .hero-heading { padding-block: 30px 40px; }
  .hero-kicker { font-size: 10px; margin-bottom: 24px; gap: 8px; letter-spacing: .07em; }
  h1 { font-size: clamp(48px, 11.5vw, 76px); letter-spacing: -.055em; line-height: 1.03; text-wrap: balance; }
  .hero-bottom { grid-template-columns: 1fr; gap: 24px; padding-block: 36px 44px; }
  .audience { font-size: clamp(26px, 5vw, 32px); max-width: 500px; }
  .hero-description { max-width: 480px; }
  .hero-description p { font-size: 16px; }
  .text-link { margin-top: 18px; font-size: 14px; }
  .stat-grid { padding-block: 32px; column-gap: 15px; row-gap: 30px; }
  .stat { padding-left: 23px; gap: 11px; }
  .stat-context { padding-right: 0; }
  .stat-context .eyebrow { font-size: 10px; max-width: 145px; }
  .stat-context > p:nth-child(2) { font-size: 17px; margin-top: 9px; }
  .stat-context a { font-size: 12px; margin-top: 8px; }
  .stat-value { font-size: 54px; }
  .stat-period { font-size: clamp(31px, 6.5vw, 46px); }
  .stat-label { font-size: 12px; max-width: 140px; line-height: 1.5; }
  .section-space { padding-block: 65px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-label { padding-top: 0; }
  h2 { font-size: clamp(38px, 7.5vw, 52px); letter-spacing: -.05em; }
  .section-intro { font-size: 16px; margin-top: 20px; }
  .checklist { margin-top: 35px; margin-left: 0; }
  .checklist li { padding-left: 36px; }
  .checklist li::before { top: 28px; }
  .service-grid { grid-template-columns: 1fr; margin-top: 40px; gap: 0; }
  .service { padding-block: 24px 32px; }
  .service h3 { font-size: 28px; min-height: 0; max-width: 440px; }
  .service .tagline { font-size: 16px; margin-top: 16px; }
  .service > p:last-child { font-size: 16px; margin-top: 12px; max-width: 540px; }
  .buildings-heading { padding-bottom: 42px; }
  .building-story, .reverse { grid-template-columns: 1fr; gap: 0; padding-block: 25px 45px; margin-bottom: 14px; }
  .reverse .story-visual, .reverse .story-content { grid-column: auto; grid-row: auto; }
  .story-visual img { aspect-ratio: auto; }
  .story-visual figcaption { font-size: 12px; max-width: 100%; }
  .story-content { padding-top: 24px; }
  .story-content h3 { font-size: 35px; max-width: 510px; }
  .story-meta { margin-top: 20px; }
  .story-meta > div { grid-template-columns: 88px minmax(0, 1fr); gap: 9px; margin-block: 5px; }
  .story-meta dt { font-size: 11px; }
  .story-meta dd { font-size: 14px; }
  .news-feed { margin-top: 40px; }
  .feed-item { grid-template-columns: 1fr; gap: 0; padding-block: 24px 30px; }
  .feed-item .feed-meta { grid-column: 1; grid-row: auto; padding: 0; margin-bottom: 16px; }
  .feed-meta > span:first-child { flex-basis: auto; }
  .feed-meta > span[aria-hidden] { display: inline; }
  .feed-item h3, .feed-item > p:last-child { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr auto; gap: 27px 15px; padding-block: 32px; }
  .footer-byline { grid-column: 1 / -1; grid-row: 2; }
  .back-top { grid-row: 1; grid-column: 2; }
}

@media (max-width: 420px) {
  :root { --gutter: 21px; }
  .site-header .wordmark { font-size: 17px; }
  .story-content h3 { font-size: 32px; }
  .stat { padding-left: 18px; }
  .stat-value { font-size: 46px; }
  .stat-period { font-size: 30px; }
}

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

/* Compact home page studies and shared case study layout. */
.story-summary { margin-top: 20px; color: var(--muted); font-size: 15px; }
.story-figure { margin-top: 18px; color: var(--muted); font-size: 13px; }
.story-figure strong { display: block; color: var(--ink); font-size: 34px; line-height: 1.2; font-weight: 400; letter-spacing: -.035em; margin-bottom: 5px; }
.source-citation { display: inline-block; font-size: 12px; }
.study-status { margin-top: 18px; color: var(--muted); font-size: 13px; }
.case-study { padding-block: 52px 100px; }
.case-header { max-width: 1000px; margin-inline: auto; }
.case-header > .text-link { margin-top: 0; margin-bottom: 42px; }
.case-header > .eyebrow { color: var(--accent); }
.case-header h1 { margin-top: 16px; font-size: clamp(50px, 7.8vw, 104px); }
.case-deck { max-width: 760px; margin-top: 24px; font-size: clamp(24px, 3vw, 36px); line-height: 1.3; letter-spacing: -.025em; }
.case-header .story-meta { max-width: 760px; margin-top: 32px; }
.case-header .study-note { max-width: 760px; font-size: 13px; }
.case-photo { max-width: 1000px; margin: 44px auto 0; }
.case-photo img { width: 100%; max-height: 600px; object-fit: cover; }
.case-photo figcaption { margin-top: 12px; font-size: 12px; color: var(--muted); line-height: 1.6; }
.case-photo figcaption a { display: inline-flex; align-items: center; min-height: 44px; }
.case-body, .case-sources { max-width: 760px; margin-inline: auto; }
.case-body section { margin-top: 58px; padding-top: 36px; border-top: 1px solid var(--line); }
.case-body h2, .case-sources h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -.04em; line-height: 1.12; }
.case-body p { margin-top: 22px; font-size: 18px; line-height: 1.75; }
.case-body h3 { margin-top: 30px; font-size: 21px; line-height: 1.3; font-weight: 400; }
.case-body h3 + p { margin-top: 14px; }
.case-body .interpretation-label { font-size: 14px; color: var(--accent); font-weight: 600; }
.citation { color: var(--accent); white-space: nowrap; font-size: 13px; }
.case-sources { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.case-sources > p { margin-top: 20px; font-size: 14px; color: var(--muted); }
.case-sources ol { padding-left: 24px; margin-block: 26px 0; }
.case-sources li { padding-left: 6px; margin-top: 18px; font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.case-sources li:target { background: var(--soft); outline: 6px solid var(--soft); }

@media (max-width: 700px) {
  .building-story { padding-block: 25px 38px; }
  .story-visual img { aspect-ratio: auto; }
  .story-content { padding-top: 24px; }
  .story-summary, .reader-question { font-size: 16px; }
  .story-figure { font-size: 15px; }
  .story-figure strong { font-size: 32px; }
  .case-study { padding-block: 28px 65px; }
  .case-header > .text-link { margin-bottom: 28px; }
  .case-photo { margin-top: 30px; }
  .case-body section { margin-top: 40px; padding-top: 28px; }
  .case-body p { font-size: 17px; }
}