:root {
  --blue: #527ab5;
  --blue-dark: #466ca4;
  --ink: #101820;
  --navy: #10253a;
  --paper: #f4f3ee;
  --white: #fff;
  --line: rgba(16, 24, 32, .2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
a:focus-visible { outline: 3px solid currentColor; outline-offset: 4px; }

.research-nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  min-height: 74px;
  padding: 0 42px;
  width: min(100%, 1520px);
}

.research-wordmark {
  align-items: center;
  display: flex;
  font-size: 18px;
  font-weight: 750;
  gap: 10px;
  letter-spacing: -.02em;
}

.research-wordmark img,
.brief-brand img,
.memo-masthead img,
.lab-brand img,
.chooser-head img { height: 25px; width: 25px; }

.research-wordmark span { font-weight: 400; }
.research-nav-links { display: flex; font-size: 14px; gap: 28px; }
.research-nav-links a,
.plain-link { border-bottom: 1px solid transparent; padding: 4px 0; }
.research-nav-links a:hover,
.plain-link:hover { border-bottom-color: currentColor; }

.button-dark,
.button-light,
.lab-button {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
}

.research-footer {
  align-items: flex-start;
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  line-height: 1.55;
  padding: 34px 42px 40px;
}

.research-footer p { margin: 0; max-width: 720px; }
.research-footer div { display: flex; gap: 24px; }

/* Direction A: institutional portal */

.portal-body {
  background: var(--paper);
  color: var(--navy);
  font-family: "Avenir Next", Avenir, sans-serif;
}

.portal-nav { border-bottom: 1px solid rgba(16, 37, 58, .22); }

.portal-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  margin: 0 auto;
  min-height: 650px;
  width: min(100%, 1520px);
}

.portal-statement {
  align-self: center;
  padding: 110px clamp(42px, 7vw, 118px) 100px 42px;
}

.portal-series,
.portal-kicker,
.portal-review > div:first-child > p,
.portal-purpose > p {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 0 0 32px;
}

.portal-statement h1 {
  font-size: clamp(58px, 7.2vw, 96px);
  font-weight: 650;
  letter-spacing: -.04em;
  line-height: .94;
  margin: 0;
  max-width: 930px;
}

.portal-intro {
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: -.02em;
  line-height: 1.34;
  margin: 46px 0 36px;
  max-width: 820px;
}

.portal-link { display: inline-flex; font-size: 15px; font-weight: 700; gap: 20px; }

.portal-purpose {
  align-self: stretch;
  background: var(--blue);
  color: #09131d;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 42px;
}

.portal-purpose strong { font-size: 33px; letter-spacing: -.03em; line-height: 1.06; }

.portal-publication {
  background: var(--white);
  border-top: 1px solid rgba(16, 37, 58, .2);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 570px);
  min-height: 810px;
}

.portal-copy { padding: clamp(70px, 8vw, 128px) clamp(42px, 9vw, 150px); }
.portal-kicker { color: #40566a; margin-bottom: 56px; }

.portal-copy h2 {
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 560;
  letter-spacing: -.04em;
  line-height: .98;
  margin: 0;
  max-width: 800px;
}

.portal-deck { font-size: clamp(22px, 2.2vw, 30px) !important; letter-spacing: -.02em; line-height: 1.3 !important; margin: 32px 0 !important; max-width: 720px !important; }
.portal-copy > p { font-size: 17px; line-height: 1.65; max-width: 680px; }
.portal-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 25px; margin: 42px 0 64px; }
.button-dark { background: var(--navy); color: white; font-size: 14px; font-weight: 700; }
.plain-link { font-size: 14px; font-weight: 700; }

.portal-byline { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding-top: 22px; }
.portal-byline div { padding-right: 18px; }
.portal-byline dt { color: #63707b; font-size: 11px; margin-bottom: 8px; }
.portal-byline dd { font-size: 13px; line-height: 1.4; margin: 0; }

.paper-reader { background: #111b25; color: white; min-width: 0; padding: 24px; }
.reader-toolbar { align-items: center; display: flex; font-size: 12px; justify-content: space-between; padding: 0 0 18px; }
.reader-toolbar nav { display: flex; gap: 6px; }
.reader-toolbar a { align-items: center; border: 1px solid rgba(255,255,255,.4); display: flex; height: 30px; justify-content: center; width: 30px; }
.reader-toolbar a:hover { background: white; color: #111b25; }

.reader-pages {
  display: flex;
  gap: 18px;
  height: 736px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--blue) #26313b;
}

.reader-pages figure { flex: 0 0 calc(100% - 2px); margin: 0; scroll-snap-align: start; }
.reader-pages img { height: calc(100% - 30px); object-fit: contain; width: 100%; }
.reader-pages figcaption { color: #aab6c1; font-size: 11px; padding: 12px 0 0; }

.portal-facts { background: var(--navy); color: white; display: grid; grid-template-columns: repeat(4, 1fr); }
.portal-facts div { border-right: 1px solid rgba(255,255,255,.18); min-height: 210px; padding: 42px; }
.portal-facts strong { display: block; font-size: clamp(54px, 6vw, 78px); font-weight: 450; letter-spacing: -.04em; line-height: 1; }
.portal-facts span { display: block; font-size: 13px; margin-top: 28px; }

.portal-review { display: grid; gap: 70px; grid-template-columns: .75fr 1fr; padding: clamp(80px, 10vw, 150px) 42px; }
.portal-review h2 { font-size: clamp(44px, 5vw, 72px); font-weight: 560; letter-spacing: -.035em; line-height: 1; margin: 0; max-width: 620px; }
.review-copy > p { font-size: 20px; line-height: 1.5; margin: 45px 0 55px; max-width: 700px; }
.review-copy dl { border-top: 1px solid var(--line); margin: 0; }
.review-copy dl div { display: grid; font-size: 14px; grid-template-columns: 1fr 1fr; padding: 18px 0; border-bottom: 1px solid var(--line); }
.review-copy dt { font-weight: 700; }
.review-copy dd { margin: 0; }
.portal-footer { border-top: 1px solid rgba(16,37,58,.22); }

/* Direction B: data-led findings brief */

.brief-body { background: var(--blue); color: #0a131d; font-family: "Avenir Next", Avenir, sans-serif; }
.brief-nav { align-items: center; border-bottom: 1px solid rgba(5,15,25,.45); display: flex; justify-content: space-between; min-height: 70px; padding: 0 36px; }
.brief-brand { align-items: center; display: flex; font-size: 17px; font-weight: 800; gap: 10px; }
.brief-nav > div { display: flex; font-size: 13px; font-weight: 700; gap: 26px; }

.brief-hero { display: grid; gap: 60px; grid-template-columns: minmax(0, 1fr) 330px; min-height: 620px; padding: clamp(72px, 9vw, 140px) 36px 90px; }
.brief-title > p,
.brief-paper-copy > p:first-child,
.brief-question > p { font-size: 12px; font-weight: 800; letter-spacing: .05em; margin: 0 0 28px; }
.brief-title h1 { font-size: clamp(50px, 7vw, 92px); letter-spacing: -.04em; line-height: .98; margin: 0; max-width: 1120px; }
.brief-answer { align-self: end; border-left: 2px solid #0a131d; font-size: 21px; font-weight: 650; line-height: 1.35; margin: 0; padding-left: 24px; }
.brief-answer span { display: block; font-size: 11px; font-weight: 800; letter-spacing: .05em; margin-bottom: 14px; }

.brief-waterfall { background: #f6f4ed; padding: clamp(70px, 8vw, 120px) 36px; }
.waterfall-head { align-items: end; display: flex; justify-content: space-between; }
.waterfall-head h2 { font-size: clamp(36px, 4vw, 56px); letter-spacing: -.035em; margin: 0; }
.waterfall-head p { font-size: 12px; margin: 0; }
.waterfall { align-items: end; display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); height: 520px; list-style: none; margin: 60px 0 0; padding: 0; }
.waterfall li { display: grid; grid-template-rows: 1fr auto auto auto; height: 100%; }
.wf-bar { align-self: end; background: #101820; min-height: 40px; }
.wf-identified .wf-bar { height: 100%; }
.wf-candidate .wf-bar { height: 43%; }
.wf-contract .wf-bar { height: 9%; }
.wf-haircut .wf-bar { background: var(--blue); height: 8%; min-height: 42px; }
.waterfall span { font-size: 12px; font-weight: 700; margin-top: 16px; }
.waterfall strong { font-size: clamp(32px, 4vw, 58px); letter-spacing: -.04em; line-height: 1; margin-top: 10px; }
.waterfall small { color: #56606a; font-size: 11px; margin-top: 8px; }
.waterfall-note { border-top: 1px solid rgba(16,24,32,.3); font-size: 15px; margin: 44px 0 0; padding-top: 20px; text-align: right; }

.brief-explanation { display: grid; gap: 70px; grid-template-columns: 1fr 1fr; padding: clamp(80px, 10vw, 150px) 36px; }
.brief-question h2 { font-size: clamp(40px, 5.2vw, 72px); letter-spacing: -.04em; line-height: 1.03; margin: 0; max-width: 760px; }
.brief-method > p { font-size: 20px; line-height: 1.55; margin: 42px 0 64px; max-width: 680px; }
.method-line { border-top: 1px solid rgba(5,15,25,.45); display: grid; gap: 20px; grid-template-columns: 100px 1fr; padding: 18px 0; }
.method-line:last-child { border-bottom: 1px solid rgba(5,15,25,.45); }
.method-line span { font-size: 14px; font-weight: 800; }
.method-line p { font-size: 14px; margin: 0; }

.brief-paper { background: #0c151e; color: white; display: grid; grid-template-columns: 1fr minmax(340px, 500px); min-height: 730px; }
.brief-paper-copy { padding: clamp(75px, 9vw, 140px) 36px; }
.brief-paper-copy h2 { font-size: clamp(48px, 6vw, 84px); letter-spacing: -.04em; line-height: .96; margin: 0; max-width: 760px; }
.brief-paper-copy > p:not(:first-child) { color: #c6d0d8; font-size: 19px; line-height: 1.5; max-width: 640px; }
.button-light { background: white; color: #0c151e; font-size: 13px; font-weight: 800; margin: 24px 0 60px; }
.brief-paper dl { border-top: 1px solid #44505b; margin: 0; max-width: 690px; }
.brief-paper dl div { border-bottom: 1px solid #44505b; display: grid; font-size: 12px; grid-template-columns: 120px 1fr; padding: 14px 0; }
.brief-paper dt { color: #9cabb7; }
.brief-paper dd { margin: 0; }
.brief-cover { align-items: center; background: #e8e7e1; display: flex; justify-content: center; padding: 46px; }
.brief-cover img { box-shadow: 0 22px 65px rgba(0,0,0,.2); max-height: 620px; object-fit: contain; }
.brief-footer { align-items: center; background: #0c151e; border-top: 1px solid #44505b; color: #c6d0d8; display: flex; font-size: 12px; justify-content: space-between; padding: 28px 36px; }

/* Direction C: formal working paper */

.memo-body { background: #fbfbf9; color: #171717; font-family: Georgia, 'Times New Roman', serif; }
.memo-masthead { align-items: center; border-bottom: 1px solid rgba(18,23,28,.17); display: flex; justify-content: space-between; margin: 0 auto; min-height: 68px; width: min(1200px, calc(100% - 48px)); }
.memo-masthead > a { align-items: center; display: flex; font-size: 19px; font-weight: 400; gap: 9px; letter-spacing: -.025em; }
.memo-masthead nav { color: #616970; font-family: "Avenir Next", Avenir, sans-serif; font-size: 13px; }
.memo-masthead nav a { border-bottom: 1px solid transparent; padding: 5px 0; }
.memo-masthead nav a:hover { border-bottom-color: currentColor; }

.memo-shell { display: grid; grid-template-areas: "record paper preview" "download paper preview"; grid-template-columns: 220px minmax(0, 760px) 220px; grid-template-rows: auto 1fr; justify-content: center; padding: 72px 30px 120px; }
.memo-record { border-right: 1px solid #9f9f99; font-family: "Avenir Next", Avenir, sans-serif; grid-area: record; padding: 0 28px 0 0; }
.memo-code { font-size: 12px; font-weight: 800; letter-spacing: .06em; margin: 0 0 52px; }
.memo-record dl { margin: 0; }
.memo-record dl div { border-top: 1px solid #b8b8b2; padding: 14px 0 20px; }
.memo-record dt { color: #666; font-size: 10px; margin-bottom: 7px; }
.memo-record dd { font-size: 12px; line-height: 1.4; margin: 0; }
.memo-download { align-self: start; background: #171717; color: white; display: block; font-family: "Avenir Next", Avenir, sans-serif; font-size: 12px; font-weight: 700; grid-area: download; margin: 55px 28px 0 0; padding: 18px; }
.memo-download span { color: #b9b9b5; display: block; font-size: 9px; font-weight: 400; margin-top: 7px; }

.memo-paper { grid-area: paper; min-width: 0; padding: 0 60px; }
.memo-title { border-bottom: 1px solid #171717; padding-bottom: 48px; text-align: center; }
.memo-title > p:first-child { font-size: 12px; font-variant: small-caps; letter-spacing: .08em; margin: 0 0 45px; }
.memo-title h1 { font-size: clamp(48px, 5.6vw, 76px); font-weight: 400; letter-spacing: -.035em; line-height: .98; margin: 0; }
.memo-subtitle { font-size: 20px; font-style: italic; line-height: 1.45; margin: 28px auto 42px; max-width: 660px; }
.memo-author { font-size: 15px; line-height: 1.55; margin: 0; }
.memo-author span { color: #666; font-size: 12px; }
.memo-paper section { border-bottom: 1px solid #9f9f99; padding: 48px 0; }
.memo-paper h2 { font-size: 13px; font-variant: small-caps; letter-spacing: .08em; margin: 0 0 23px; }
.memo-abstract p { font-size: 18px; line-height: 1.7; margin: 0; }
.memo-finding { align-items: baseline; display: grid; gap: 26px; grid-template-columns: 150px 1fr; padding: 16px 0; }
.memo-finding strong { font-size: 33px; font-weight: 400; letter-spacing: -.02em; }
.memo-finding p { font-size: 16px; line-height: 1.55; margin: 0; }
.memo-governance > p { font-size: 16px; line-height: 1.6; }
.memo-governance table { border-collapse: collapse; font-family: "Avenir Next", Avenir, sans-serif; font-size: 11px; margin-top: 28px; width: 100%; }
.memo-governance th,
.memo-governance td { border-top: 1px solid #aaa; padding: 10px 8px 10px 0; text-align: left; vertical-align: top; }
.memo-governance th { width: 28%; }
.memo-edition p { font-size: 16px; line-height: 1.65; margin: 0; }
.memo-note { font-size: 13px; line-height: 1.6; padding-top: 34px; }

.memo-preview { border-left: 1px solid #9f9f99; font-family: "Avenir Next", Avenir, sans-serif; grid-area: preview; min-width: 0; padding-left: 28px; }
.memo-preview > p { font-size: 10px; font-weight: 700; letter-spacing: .05em; margin: 0 0 15px; }
.memo-preview-pages { position: sticky; top: 28px; }
.memo-preview a { display: block; margin-bottom: 20px; }
.memo-preview img { border: 1px solid #b8b8b2; }
.memo-preview a:not(:first-child) img { display: none; }
.memo-preview span { border-bottom: 1px solid #171717; display: inline-block; font-size: 10px; font-weight: 700; margin-top: 9px; padding-bottom: 3px; }

/* Direction D: thesis-led research lab */

.lab-body { background: #09111a; color: #f4f6f7; font-family: "Avenir Next", Avenir, sans-serif; }
.lab-nav { align-items: center; border-bottom: 1px solid #34404a; display: flex; justify-content: space-between; min-height: 74px; padding: 0 38px; }
.lab-brand { align-items: center; display: flex; font-size: 18px; font-weight: 800; gap: 10px; }
.lab-brand span { color: #8ea6bd; font-weight: 400; margin-left: 3px; }
.lab-nav > div { display: flex; font-size: 12px; gap: 28px; }

.lab-hero { display: grid; gap: 70px; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); min-height: 730px; padding: clamp(90px, 11vw, 170px) 38px 110px; }
.lab-intro > p,
.lab-model-head > p,
.lab-paper-copy > p:first-child,
.lab-review > div p { color: #8ea6bd; font-size: 12px; font-weight: 700; letter-spacing: .06em; margin: 0 0 28px; }
.lab-intro h1 { color: var(--blue); font-size: clamp(55px, 7.2vw, 96px); letter-spacing: -.04em; line-height: .94; margin: 0; max-width: 1050px; }
.lab-lede { align-self: end; border-top: 1px solid #50606f; color: #d8e0e6; font-size: 22px; line-height: 1.48; margin: 0; padding-top: 24px; }

.lab-theses { border-bottom: 1px solid #34404a; border-top: 1px solid #34404a; display: grid; grid-template-columns: repeat(3, 1fr); }
.lab-theses article { border-right: 1px solid #34404a; min-height: 410px; padding: 42px 38px; }
.lab-theses article:last-child { border-right: 0; }
.lab-theses span { color: #8294a5; font-size: 11px; }
.lab-theses h2 { font-size: clamp(30px, 3vw, 43px); letter-spacing: -.035em; line-height: 1.08; margin: 95px 0 24px; max-width: 390px; }
.lab-theses p { color: #aebbc6; font-size: 15px; line-height: 1.55; max-width: 390px; }

.lab-model { background: #e9edf0; color: #0a141d; display: grid; gap: 70px; grid-template-columns: .75fr 1.25fr; padding: clamp(85px, 10vw, 150px) 38px; }
.lab-model-head > p { color: #536778; }
.lab-model-head h2 { font-size: clamp(44px, 5.5vw, 76px); letter-spacing: -.04em; line-height: .98; margin: 0; max-width: 640px; }
.lab-model-map { align-self: center; }
.lab-layer { align-items: center; border-top: 1px solid #7b8994; display: grid; gap: 24px; grid-template-columns: 80px 1fr 1fr; min-height: 118px; padding: 20px 0; }
.lab-layer:last-child { border-bottom: 1px solid #7b8994; }
.lab-layer > span { align-items: center; background: #0a141d; color: white; display: flex; font-size: 11px; height: 58px; justify-content: center; width: 58px; }
.layer-flow > span { background: var(--blue-dark); }
.layer-scenario > span { background: white; border: 1px solid #0a141d; color: #0a141d; }
.lab-layer strong { font-size: 19px; }
.lab-layer p { color: #53616c; font-size: 13px; line-height: 1.45; margin: 0; }

.lab-paper { display: grid; grid-template-columns: minmax(0, 1fr) minmax(430px, .8fr); min-height: 870px; }
.lab-paper-copy { padding: clamp(85px, 9vw, 140px) 38px; }
.lab-paper-copy h2 { font-size: clamp(50px, 6.4vw, 86px); letter-spacing: -.04em; line-height: .96; margin: 0; max-width: 790px; }
.lab-paper-deck { color: #bec9d1; font-size: 21px; line-height: 1.5; margin: 35px 0 55px; max-width: 700px; }
.lab-paper-stats { border-bottom: 1px solid #45535f; border-top: 1px solid #45535f; display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 50px; }
.lab-paper-stats div { border-right: 1px solid #45535f; padding: 24px 20px 24px 0; }
.lab-paper-stats div + div { padding-left: 20px; }
.lab-paper-stats div:last-child { border-right: 0; }
.lab-paper-stats strong { display: block; font-size: 28px; font-weight: 500; }
.lab-paper-stats span { color: #8294a5; display: block; font-size: 11px; margin-top: 8px; }
.lab-button { background: var(--blue); color: #08121b; font-size: 13px; font-weight: 800; gap: 45px; }
.lab-reader { background: var(--blue); color: #08121b; min-width: 0; padding: 24px; }
.lab-reader-nav { align-items: center; display: flex; font-size: 11px; gap: 8px; padding-bottom: 18px; }
.lab-reader-nav > span { margin-right: auto; }
.lab-reader-nav a { border: 1px solid #18293b; padding: 6px 8px; }
.lab-pages { display: flex; gap: 18px; height: 760px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-color: #07121c #7897c3; }
.lab-pages img { background: white; flex: 0 0 100%; height: 100%; object-fit: contain; scroll-snap-align: start; width: 100%; }

.lab-review { border-top: 1px solid #34404a; display: grid; gap: 80px; grid-template-columns: 1fr 1fr; padding: clamp(80px, 10vw, 150px) 38px; }
.lab-review h2 { font-size: clamp(42px, 5vw, 70px); letter-spacing: -.04em; line-height: 1; margin: 0; max-width: 650px; }
.lab-review > p { align-self: end; color: #b7c3cc; font-size: 19px; line-height: 1.55; margin: 0; max-width: 690px; }
.lab-footer { align-items: center; border-top: 1px solid #34404a; color: #93a5b4; display: flex; font-size: 11px; justify-content: space-between; padding: 30px 38px; }

/* The chooser demonstrates the drift instead of flattening it */

.chooser-body { background: #e9e8e3; color: var(--ink); font-family: "Avenir Next", Avenir, sans-serif; }
.chooser-head { align-items: center; border-bottom: 1px solid #92928e; display: flex; justify-content: space-between; min-height: 72px; padding: 0 32px; }
.chooser-head a { align-items: center; display: flex; font-size: 17px; font-weight: 800; gap: 10px; }
.chooser-head p { font-size: 11px; margin: 0; }
.chooser-intro { display: grid; gap: 50px; grid-template-columns: 1fr 2.4fr; padding: clamp(70px, 9vw, 135px) 32px; }
.chooser-intro > p { font-size: 12px; font-weight: 800; margin: 7px 0 0; }
.chooser-intro h1 { font-size: clamp(52px, 7vw, 94px); letter-spacing: -.04em; line-height: .94; margin: 0; max-width: 1100px; }
.chooser-intro > div { grid-column: 2; max-width: 780px; }
.chooser-intro > div p { font-size: 19px; line-height: 1.55; margin: 0 0 28px; }
.chooser-intro > div a { border-bottom: 1px solid; font-size: 13px; font-weight: 800; padding-bottom: 4px; }

.choice { display: grid; grid-template-columns: .78fr 1.22fr; min-height: 650px; }
.choice-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(60px, 8vw, 120px) 32px; }
.choice-copy > span { font-size: 11px; font-weight: 800; letter-spacing: .05em; }
.choice-copy h2 { font-size: clamp(43px, 5.2vw, 72px); letter-spacing: -.04em; line-height: .98; margin: 34px 0 24px; max-width: 620px; }
.choice-copy p { font-size: 17px; line-height: 1.5; max-width: 570px; }
.choice-copy > a { align-items: center; border-top: 1px solid currentColor; display: flex; font-size: 13px; font-weight: 800; justify-content: space-between; margin-top: 55px; padding-top: 17px; max-width: 570px; }
.choice-copy > a span { font-size: 24px; font-weight: 400; }
.choice-visual { min-width: 0; overflow: hidden; }

.choice-portal { background: #f4f3ee; color: var(--navy); }
.portal-mini { align-items: center; background: white; display: grid; gap: 45px; grid-template-columns: 1fr minmax(180px, 34%); padding: clamp(45px, 6vw, 90px); }
.portal-mini > strong { font-size: clamp(44px, 6vw, 85px); letter-spacing: -.04em; line-height: .92; }
.portal-mini > div { border-bottom: 1px solid #c5c8c9; border-top: 1px solid #c5c8c9; display: grid; grid-column: 1; grid-template-columns: repeat(4, 1fr); }
.portal-mini > div span { font-size: 27px; padding: 18px 0; }
.portal-mini img { box-shadow: 0 18px 50px rgba(20,30,40,.15); grid-column: 2; grid-row: 1 / span 2; }

.choice-brief { background: var(--blue); color: #09131d; }
.brief-mini { background: #0b151f; color: white; display: flex; flex-direction: column; justify-content: center; padding: clamp(45px, 7vw, 105px); }
.brief-mini > p { color: #8fa9c2; font-size: 13px; font-weight: 800; margin: 0 0 50px; }
.mini-waterfall { display: grid; gap: 12px 20px; grid-template-columns: 1fr 100px; }
.mini-waterfall i { align-self: center; background: white; display: block; height: clamp(28px, 5vw, 66px); width: var(--w); }
.mini-waterfall i:last-of-type { background: var(--blue); }
.mini-waterfall b { align-self: center; font-size: clamp(24px, 4vw, 48px); letter-spacing: -.03em; }

.choice-memo { background: #fbfbf9; color: #171717; }
.choice-memo .choice-copy { font-family: Georgia, 'Times New Roman', serif; }
.choice-memo .choice-copy > span,
.choice-memo .choice-copy > a { font-family: "Avenir Next", Avenir, sans-serif; }
.memo-mini { align-self: center; background: white; border-bottom: 1px solid #999; border-top: 3px double #171717; font-family: Georgia, 'Times New Roman', serif; margin: 50px 8%; padding: clamp(44px, 6vw, 85px); }
.memo-mini > span { font-family: "Avenir Next", Avenir, sans-serif; font-size: 10px; letter-spacing: .06em; }
.memo-mini > strong { border-bottom: 1px solid #777; display: block; font-size: clamp(42px, 5vw, 70px); font-weight: 400; letter-spacing: -.035em; line-height: 1; margin: 70px 0 45px; padding-bottom: 45px; text-align: center; }
.memo-mini > p { font-variant: small-caps; font-weight: 700; }
.memo-mini > i { background: #9d9d98; display: block; height: 1px; margin: 13px 0; width: 100%; }
.memo-mini > i:nth-of-type(2) { width: 88%; }
.memo-mini > i:nth-of-type(3) { width: 94%; }
.memo-mini > div { font-family: "Avenir Next", Avenir, sans-serif; font-size: 10px; margin-top: 65px; }

.choice-lab { background: #09111a; color: #f2f5f6; }
.lab-mini { align-items: flex-start; background: #0d1823; display: flex; flex-direction: column; justify-content: center; padding: clamp(45px, 7vw, 105px); }
.lab-mini > p { color: #8ea6bd; font-size: 12px; font-weight: 700; }
.lab-mini > strong { color: var(--blue); font-size: clamp(45px, 6.3vw, 88px); letter-spacing: -.04em; line-height: .94; max-width: 950px; }
.lab-mini > div { border-bottom: 1px solid #53616d; border-top: 1px solid #53616d; color: #bdc8d0; margin-top: 70px; padding: 20px 0; width: 100%; }
.lab-mini > div span { color: var(--blue); margin: 0 28px; }

.chooser-footer { align-items: center; border-top: 1px solid #92928e; display: flex; font-size: 11px; gap: 24px; padding: 30px 32px; }
.chooser-footer p { margin: 0 auto 0 0; }

@media (max-width: 1080px) {
  .portal-hero { grid-template-columns: 1fr 320px; }
  .portal-publication { grid-template-columns: 1fr 430px; }
  .portal-copy { padding-left: 42px; padding-right: 42px; }
  .memo-shell { grid-template-columns: 180px minmax(0, 680px); }
  .memo-preview { display: none; }
  .lab-hero,
  .brief-hero { grid-template-columns: 1fr 280px; }
}

@media (max-width: 820px) {
  .research-nav,
  .brief-nav,
  .lab-nav { padding-left: 20px; padding-right: 20px; }
  .research-nav-links a:first-child { display: none; }

  .portal-hero,
  .portal-publication,
  .portal-review,
  .brief-hero,
  .brief-explanation,
  .brief-paper,
  .lab-hero,
  .lab-model,
  .lab-paper,
  .lab-review,
  .choice,
  .chooser-intro { grid-template-columns: 1fr; }

  .portal-hero { min-height: 0; }
  .portal-statement { padding: 85px 20px 70px; }
  .portal-purpose { min-height: 290px; padding: 30px 20px; }
  .portal-copy { padding: 75px 20px; }
  .paper-reader { padding: 20px; }
  .reader-pages { height: 650px; }
  .portal-facts { grid-template-columns: repeat(2, 1fr); }
  .portal-facts div { min-height: 160px; padding: 28px 20px; }
  .portal-review { padding: 80px 20px; }

  .brief-hero,
  .brief-explanation { padding-left: 20px; padding-right: 20px; }
  .brief-hero { min-height: 0; }
  .brief-answer { max-width: 530px; }
  .brief-waterfall { padding-left: 20px; padding-right: 20px; }
  .waterfall-head { align-items: start; flex-direction: column; gap: 15px; }
  .waterfall { height: 430px; }
  .brief-paper-copy { padding-left: 20px; padding-right: 20px; }
  .brief-cover { padding: 40px 20px; }
  .brief-cover img { max-height: 570px; }

  .memo-shell { display: flex; flex-direction: column; padding: 45px 20px 85px; }
  .memo-paper { order: 1; }
  .memo-record { order: 2; }
  .memo-preview { order: 3; }
  .memo-download { order: 4; }
  .memo-record { border-bottom: 1px solid #999; border-right: 0; min-width: 0; padding: 0 0 35px; }
  .memo-record dl { display: grid; grid-template-columns: repeat(2, 1fr); }
  .memo-record dl div { margin-right: 20px; }
  .memo-code { margin-bottom: 22px; }
  .memo-code { margin-top: 55px; }
  .memo-download { margin: 28px 0 0; max-width: none; min-height: 56px; }
  .memo-paper { padding: 20px 0 0; }
  .memo-preview { border-bottom: 1px solid #999; border-left: 0; display: block; padding: 34px 0 40px; }
  .memo-preview-pages { display: flex; gap: 14px; overflow-x: auto; position: static; scroll-snap-type: x mandatory; }
  .memo-preview a { flex: 0 0 78%; margin: 0; scroll-snap-align: start; }
  .memo-preview a:not(:first-child) img { display: block; }
  .memo-preview span { margin-top: 10px; }

  .lab-hero,
  .lab-model,
  .lab-review { padding-left: 20px; padding-right: 20px; }
  .lab-hero { min-height: 680px; }
  .lab-theses { grid-template-columns: 1fr; }
  .lab-theses article { border-bottom: 1px solid #34404a; border-right: 0; min-height: 300px; padding: 35px 20px; }
  .lab-theses h2 { margin-top: 60px; }
  .lab-paper-copy { padding-left: 20px; padding-right: 20px; }
  .lab-reader { padding: 20px; }
  .lab-pages { height: 680px; }

  .chooser-head,
  .chooser-intro,
  .choice-copy,
  .chooser-footer { padding-left: 20px; padding-right: 20px; }
  .chooser-intro > div { grid-column: 1; }
  .choice { min-height: 0; }
  .choice-copy { min-height: 560px; }
  .choice-visual { min-height: 620px; }
  .portal-mini { padding: 55px 35px; }
}

@media (max-width: 540px) {
  .research-nav { min-height: 66px; }
  .research-wordmark { font-size: 15px; }
  .research-nav-links { font-size: 12px; }
  .brief-nav > div a:first-child,
  .lab-nav > div a:first-child { display: none; }
  .brief-brand,
  .lab-brand { font-size: 15px; }

  .portal-statement h1,
  .chooser-intro h1 { font-size: 52px; }
  .portal-intro { font-size: 20px; }
  .portal-purpose strong { font-size: 29px; }
  .portal-copy h2,
  .brief-paper-copy h2,
  .lab-paper-copy h2 { font-size: 47px; }
  .portal-byline { grid-template-columns: 1fr; }
  .portal-byline div { border-bottom: 1px solid var(--line); padding: 14px 0; }
  .reader-pages { height: 520px; }
  .portal-facts div { min-height: 135px; }
  .portal-facts strong { font-size: 48px; }
  .review-copy dl div { grid-template-columns: 1fr; gap: 6px; }

  .brief-hero { gap: 80px; padding-top: 70px; }
  .brief-title h1 { font-size: 50px; }
  .waterfall { display: flex; flex-direction: column; gap: 23px; height: auto; }
  .waterfall li { display: grid; grid-template-columns: minmax(0, 1fr) 86px; grid-template-rows: auto auto; height: auto; width: 100%; }
  .wf-bar { display: none; }
  .waterfall span { border-top: 9px solid #101820; grid-column: 1; margin: 0; padding-top: 10px; }
  .waterfall li:last-child span { border-color: var(--blue); }
  .waterfall strong { font-size: 28px; grid-column: 2; grid-row: 1 / span 2; margin: 0; text-align: right; }
  .waterfall small { grid-column: 1; }
  .waterfall-note { text-align: left; }
  .brief-question h2 { font-size: 41px; }
  .method-line { grid-template-columns: 75px 1fr; }
  .brief-paper { grid-template-columns: 1fr; }
  .brief-paper dl div { grid-template-columns: 95px 1fr; }

  .memo-masthead { width: min(100% - 32px, 880px); }
  .memo-masthead > a { font-size: 17px; }
  .memo-masthead nav { font-size: 12px; }
  .memo-record dl { grid-template-columns: 1fr; }
  .memo-title h1 { font-size: 47px; }
  .memo-subtitle { font-size: 17px; }
  .memo-abstract p { font-size: 16px; }
  .memo-finding { gap: 10px; grid-template-columns: 1fr; }
  .memo-governance { overflow-x: auto; }
  .memo-governance table { min-width: 520px; }

  .lab-intro h1 { font-size: 51px; }
  .lab-hero { min-height: 610px; }
  .lab-lede { font-size: 18px; }
  .lab-layer { gap: 12px; grid-template-columns: 65px 1fr; }
  .lab-layer p { grid-column: 2; }
  .lab-paper-stats { grid-template-columns: 1fr; }
  .lab-paper-stats div,
  .lab-paper-stats div + div { border-bottom: 1px solid #45535f; border-right: 0; padding: 18px 0; }
  .lab-pages { height: 520px; }
  .lab-footer { align-items: flex-start; flex-direction: column; gap: 14px; padding: 26px 20px; }

  .chooser-head p { display: none; }
  .chooser-intro { gap: 35px; }
  .choice-copy { min-height: 520px; }
  .choice-copy h2 { font-size: 43px; }
  .choice-visual { min-height: 500px; }
  .portal-mini { display: flex; flex-direction: column; align-items: stretch; }
  .portal-mini > div { order: 2; }
  .portal-mini img { align-self: center; max-height: 270px; }
  .mini-waterfall { grid-template-columns: 1fr 77px; }
  .memo-mini { margin: 30px 20px; }
  .memo-mini > strong { margin-top: 50px; }
  .lab-mini > strong { font-size: 46px; }
  .lab-mini > div span { margin: 0 10px; }
  .chooser-footer { align-items: flex-start; flex-wrap: wrap; }
  .chooser-footer p { flex-basis: 100%; }
}

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