:root {
  --ink: #071d26;
  --ink-soft: #173943;
  --paper: #f6f5ee;
  --white: #fffef9;
  --blue: #48c8f4;
  --blue-deep: #0879aa;
  --green: #45d995;
  --green-deep: #08734e;
  --coral: #ff6b5f;
  --yellow: #ffd552;
  --violet: #c99af2;
  --line: rgba(7, 29, 38, 0.15);
  --shadow: 0 28px 80px rgba(4, 23, 31, 0.16);
  --radius-lg: 30px;
  --radius-md: 20px;
  --max-width: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.18;
  pointer-events: none;
  background-image: repeating-linear-gradient(135deg, transparent 0 8px, rgba(7, 29, 38, 0.025) 8px 9px);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  padding: 16px 28px;
  transition: padding 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  padding-top: 10px;
  padding-bottom: 10px;
  background: rgba(246, 245, 238, 0.9);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 33px;
  height: 27px;
  background: var(--ink);
  border-radius: 9px;
  place-items: center;
  transform: rotate(-3deg);
}

.brand-mark span {
  width: 0;
  height: 0;
  margin-left: 2px;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--green);
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav a {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:not(.nav-cta) {
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 100px;
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  min-height: auto;
  padding: 148px max(28px, calc((100vw - var(--max-width)) / 2)) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 81% 18%, rgba(72, 200, 244, 0.22), transparent 25%),
    radial-gradient(circle at 62% 62%, rgba(69, 217, 149, 0.16), transparent 24%),
    var(--paper);
}

.hero::before {
  position: absolute;
  top: 112px;
  right: -130px;
  width: 510px;
  height: 510px;
  content: "";
  border: 1px solid rgba(7, 29, 38, 0.1);
  border-radius: 50%;
}

.hero::after {
  position: absolute;
  top: 162px;
  right: -80px;
  width: 410px;
  height: 410px;
  content: "";
  border: 1px solid rgba(7, 29, 38, 0.08);
  border-radius: 50%;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  gap: clamp(48px, 6vw, 100px);
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.eyebrow-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.venue-pill {
  padding: 6px 11px;
  color: var(--ink);
  background: var(--yellow);
  border: 1px solid var(--ink);
  border-radius: 100px;
  box-shadow: 3px 3px 0 var(--ink);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
}

.eyebrow,
.section-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  color: rgba(7, 29, 38, 0.6);
}

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

h1 {
  max-width: 720px;
  margin-bottom: 25px;
  font-size: clamp(56px, 6.7vw, 96px);
  font-weight: 830;
  line-height: 0.94;
  letter-spacing: -0.07em;
}

h1 span {
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.06em;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
  box-shadow: 4px 5px 0 var(--ink);
  transform: translate(-2px, -2px);
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.35);
}

.button-hf {
  background: var(--yellow);
}

.availability {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 18px 0 0;
  color: rgba(7, 29, 38, 0.55);
  font-size: 12px;
  font-weight: 700;
}

.availability span {
  width: 7px;
  height: 7px;
  background: var(--green-deep);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(69, 217, 149, 0.24);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.visual-window {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 13px 15px 0 var(--ink), var(--shadow);
  transform: rotate(1.2deg);
}

.window-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  height: 48px;
  padding: 0 18px;
  color: rgba(7, 29, 38, 0.62);
  background: #eaf7f5;
  border-bottom: 1px solid var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  width: 8px;
  height: 8px;
  background: var(--coral);
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.window-dots i:nth-child(2) {
  background: var(--yellow);
}

.window-dots i:nth-child(3) {
  background: var(--green);
}

.live-chip {
  display: flex;
  gap: 5px;
  align-items: center;
  justify-self: end;
  color: var(--green-deep);
}

.live-chip i {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
}

.visual-window img {
  width: 100%;
  aspect-ratio: 1.4;
  padding: 20px;
  object-fit: contain;
  background: #fff;
}

.visual-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-top: 30px;
  color: rgba(7, 29, 38, 0.62);
  font-size: 11px;
  font-weight: 750;
}

.visual-legend i {
  margin: 0 5px;
  color: rgba(7, 29, 38, 0.35);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.legend-token {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  padding: 4px 8px;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1;
}

.legend-positive {
  background: var(--green);
}

.legend-negative {
  background: var(--coral);
}

.authors {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 50px auto 0;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.authors p {
  margin-bottom: 14px;
  font-size: clamp(17px, 1.45vw, 20px);
  font-weight: 650;
  line-height: 1.85;
}

.authors a {
  text-decoration-color: var(--blue-deep);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.authors sup {
  position: relative;
  top: -0.12em;
  margin-left: 2px;
  color: var(--blue-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.52em;
  font-weight: 900;
  letter-spacing: 0;
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: stretch;
  justify-content: center;
  max-width: 980px;
  margin: 22px auto 0;
  color: rgba(7, 29, 38, 0.58);
  font-size: 11px;
}

.affiliation {
  display: flex;
  flex: 1 1 260px;
  gap: 13px;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 8px 24px;
  text-decoration: none;
  transition: opacity 160ms ease;
}

.affiliation + .affiliation {
  border-left: 1px solid var(--line);
}

.affiliation:hover {
  opacity: 0.66;
}

.affiliation img {
  width: auto;
  max-width: 94px;
  height: 27px;
  mix-blend-mode: multiply;
  object-fit: contain;
}

.affiliation span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  line-height: 1.35;
  text-align: left;
}

.affiliation b {
  display: inline-grid;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  color: var(--ink);
  background: var(--blue);
  border-radius: 50%;
  font-size: 9px;
  place-items: center;
}

.section {
  padding: 120px max(28px, calc((100vw - var(--max-width)) / 2));
}

.section-light {
  background: var(--white);
}

#overview {
  padding-top: 74px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  gap: 80px;
  align-items: end;
  max-width: var(--max-width);
  margin: 0 auto 62px;
}

.section-heading .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -58px;
  color: var(--blue-deep);
}

.section-heading h2,
.mix-intro h2,
.results-copy h2,
.internship-section h2,
.citation-heading h2 {
  margin-bottom: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.section-heading h2 em {
  color: var(--blue-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.section-heading > p:last-child,
.heading-dark > p:last-child {
  margin: 0;
  color: rgba(7, 29, 38, 0.68);
  font-size: 17px;
}

.failure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto 24px;
}

.failure-card {
  position: relative;
  min-height: 390px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
}

.failure-action {
  background: #e9f8ff;
}

.failure-time {
  background: #f1e7fa;
}

.card-index {
  position: absolute;
  top: 25px;
  right: 28px;
  color: rgba(7, 29, 38, 0.28);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
}

.failure-icon {
  position: relative;
  display: grid;
  width: 85px;
  height: 65px;
  margin-bottom: 50px;
  background: var(--blue);
  border: 1px solid var(--ink);
  border-radius: 15px;
  box-shadow: 6px 7px 0 var(--ink);
  place-items: center;
  transform: rotate(-2deg);
}

.failure-icon span {
  font-size: 25px;
}

.failure-icon i {
  position: absolute;
  right: -20px;
  bottom: -18px;
  width: 40px;
  height: 40px;
  background: var(--yellow);
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.timeline-icon {
  display: flex;
  width: 130px;
  gap: 10px;
  justify-content: center;
  background: var(--violet);
}

.timeline-icon span {
  display: grid;
  width: 33px;
  height: 33px;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
  place-items: center;
}

.timeline-icon i {
  position: static;
  width: 18px;
  height: 1px;
  background: var(--ink);
  border: 0;
  border-radius: 0;
}

.failure-card h3,
.preference-card h3 {
  margin-bottom: 10px;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.failure-card > p {
  max-width: 510px;
  color: rgba(7, 29, 38, 0.68);
}

.micro-example {
  position: absolute;
  right: 34px;
  bottom: 30px;
  left: 34px;
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.micro-example span {
  padding: 7px 10px;
  border-radius: 100px;
}

.micro-example .chosen {
  color: var(--green-deep);
  background: rgba(69, 217, 149, 0.2);
}

.micro-example .rejected {
  color: #a6342e;
  background: rgba(255, 107, 95, 0.18);
}

.micro-example .not-equal {
  padding: 0;
  font-size: 15px;
}

.abstract-block {
  display: grid;
  grid-template-columns: 0.35fr 1.65fr;
  gap: 30px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 38px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.abstract-block .section-kicker {
  color: var(--blue-deep);
}

.abstract-block p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.65;
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.heading-dark .section-kicker {
  color: var(--green);
}

.heading-dark > p:last-child {
  color: rgba(255, 255, 255, 0.66);
}

.figure-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 26px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.25);
}

.pipeline-figure img {
  width: 100%;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-width);
  padding: 0;
  margin: 32px auto 0;
  list-style: none;
}

.step-grid li {
  min-height: 210px;
  padding: 28px 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.step-grid li + li {
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.step-grid span {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.step-grid h3 {
  margin: 22px 0 8px;
  font-size: 19px;
  letter-spacing: -0.03em;
}

.step-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.section-mix {
  background: var(--yellow);
}

.mix-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  gap: 100px;
  align-items: end;
  max-width: var(--max-width);
  margin: 0 auto 58px;
}

.mix-intro .section-kicker {
  margin-bottom: 20px;
}

.mix-intro > p {
  margin-bottom: 0;
  font-size: 17px;
}

.preference-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.preference-card {
  padding: 32px;
  background: rgba(255, 254, 249, 0.92);
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 7px 8px 0 var(--ink);
}

.pref-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 54px;
  color: rgba(7, 29, 38, 0.55);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pref-tag {
  padding: 5px 9px;
  color: var(--ink);
  background: var(--blue);
  border: 1px solid var(--ink);
  border-radius: 100px;
}

.visual-pref .pref-tag {
  background: var(--violet);
}

.preference-card > p {
  min-height: 76px;
  color: rgba(7, 29, 38, 0.66);
}

.pref-diagram {
  display: grid;
  grid-template-columns: 90px 1fr 1.6fr;
  gap: 18px;
  align-items: center;
  min-height: 120px;
  padding: 18px;
  background: #edf7f6;
  border-radius: 17px;
}

.pref-diagram.reverse {
  grid-template-columns: 1.6fr 1fr 90px;
}

.fixed-token {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  background: var(--ink);
  border-radius: 14px;
}

.fixed-token span {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-style: italic;
}

.fixed-token small {
  color: rgba(255, 255, 255, 0.5);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.branch-lines {
  height: 62px;
  border-top: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.reverse .branch-lines {
  border-right: 0;
  border-left: 1px solid var(--ink);
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.choices > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid;
  border-radius: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
}

.choices i {
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: 9px;
  font-weight: 800;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.choice-positive {
  color: var(--green-deep);
  background: rgba(69, 217, 149, 0.14);
}

.choice-negative {
  color: #a6342e;
  background: rgba(255, 107, 95, 0.12);
}

.equation-strip {
  display: grid;
  grid-template-columns: 0.7fr 1.4fr 0.9fr;
  gap: 30px;
  align-items: center;
  max-width: var(--max-width);
  margin: 30px auto 0;
  padding: 26px 32px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius-md);
}

.equation-strip p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(24px, 3vw, 38px);
  font-style: italic;
  text-align: center;
}

.equation-label,
.equation-note {
  color: rgba(255, 255, 255, 0.6);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.equation-note {
  text-align: right;
}

.dataset-heading {
  align-items: end;
}

.dataset-heading .section-kicker {
  grid-column: auto;
  margin-bottom: 20px;
}

.dataset-summary > p {
  font-size: 17px;
}

.dataset-link {
  margin-top: 22px;
}

.format-chips,
.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.format-chips span,
.model-tags a {
  padding: 6px 10px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.dataset-figure {
  padding: 28px 28px 18px;
  border-color: var(--ink);
  box-shadow: 10px 11px 0 var(--ink);
}

.dataset-figure figcaption,
.results-figure figcaption {
  margin-top: 16px;
  color: rgba(7, 29, 38, 0.55);
  font-size: 11px;
  text-align: center;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 35px;
  justify-content: center;
  max-width: var(--max-width);
  margin: 36px auto 0;
}

.signal-row div {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0 8px;
  align-items: center;
}

.signal-row small {
  grid-column: 2;
  color: rgba(7, 29, 38, 0.5);
}

.signal-dot {
  grid-row: 1 / 3;
  width: 14px;
  height: 14px;
  border: 1px solid var(--ink);
  border-radius: 4px;
}

.signal-dot.green {
  background: var(--green);
}

.signal-dot.coral {
  background: var(--coral);
}

.section-results {
  display: grid;
  grid-template-columns: minmax(330px, 0.58fr) minmax(0, 1.42fr);
  gap: 48px;
  align-items: center;
  color: var(--white);
  background: var(--blue-deep);
}

.results-copy .section-kicker {
  margin-bottom: 22px;
  color: var(--yellow);
}

.results-copy h2 {
  margin-bottom: 26px;
}

.results-copy > p:last-of-type {
  color: rgba(255, 255, 255, 0.72);
}

.model-tags a {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.model-tags a:hover,
.model-tags a:focus-visible {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.results-figure {
  width: 100%;
  padding: 24px 24px 15px;
  margin: 0;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 10px 11px 0 var(--ink);
}

.results-figure img {
  width: 100%;
}

.results-figure figcaption {
  font-size: 12px;
  line-height: 1.5;
}

.internship-section {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
  background: var(--paper);
}

.internship-mark {
  display: grid;
  width: min(100%, 360px);
  aspect-ratio: 1;
  color: var(--ink);
  background:
    linear-gradient(135deg, transparent 45%, rgba(255, 255, 255, 0.3) 45% 55%, transparent 55%),
    var(--green);
  border: 1px solid var(--ink);
  border-radius: 50%;
  box-shadow: 14px 15px 0 var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(56px, 8vw, 112px);
  font-style: italic;
  letter-spacing: -0.08em;
  place-items: center;
  transform: rotate(-4deg);
}

.internship-section .section-kicker {
  margin-bottom: 22px;
  color: var(--green-deep);
}

.internship-section h2 {
  margin-bottom: 25px;
}

.internship-section p:not(.section-kicker) {
  max-width: 720px;
  color: rgba(7, 29, 38, 0.68);
  font-size: 18px;
}

.internship-section p a {
  font-weight: 800;
  text-decoration-color: var(--green-deep);
  text-underline-offset: 4px;
}

.text-link {
  font-size: 13px;
  font-weight: 900;
  text-underline-offset: 5px;
}

.citation-section {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 80px;
  align-items: center;
  color: var(--white);
  background: var(--ink);
}

.citation-heading .section-kicker {
  margin-bottom: 22px;
  color: var(--violet);
}

.citation-heading h2 {
  margin-bottom: 22px;
}

.citation-heading > p:last-child {
  color: rgba(255, 255, 255, 0.62);
}

.citation-card {
  position: relative;
  min-width: 0;
  padding: 28px;
  background: #102d37;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
}

.citation-card pre {
  margin: 0;
  overflow-x: auto;
  color: #cfe7e8;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
}

.copy-button {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
  padding: 7px 10px;
  color: var(--ink);
  background: var(--green);
  border: 1px solid var(--ink);
  border-radius: 100px;
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 900;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  padding: 38px max(28px, calc((100vw - var(--max-width)) / 2));
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  color: rgba(7, 29, 38, 0.55);
  font-size: 11px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 18px;
  justify-content: flex-end;
}

.footer-links a {
  font-size: 12px;
  font-weight: 800;
  text-underline-offset: 4px;
}

.reveal {
  animation: reveal-up 700ms both cubic-bezier(0.22, 1, 0.36, 1);
}

.delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 160ms;
}

.delay-3 {
  animation-delay: 240ms;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-visual {
    max-width: 790px;
  }

  .section-heading,
  .mix-intro,
  .dataset-heading,
  .section-results,
  .citation-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-heading .section-kicker {
    margin-bottom: 0;
  }

  .step-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-grid li:nth-child(3) {
    border-left: 0;
  }

  .preference-card > p {
    min-height: 100px;
  }

  .results-figure {
    width: calc(100% + 24px);
    max-width: 980px;
    margin-right: auto;
    margin-left: -12px;
  }
}

@media (max-width: 860px) {
  .site-header {
    padding: 14px 20px;
  }

  .menu-button {
    display: flex;
    flex-direction: column;
    gap: 6px;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 10px;
    background: var(--paper);
    border: 1px solid var(--ink);
    border-radius: 50%;
  }

  .menu-button span:not(.sr-only) {
    width: 100%;
    height: 2px;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: 66px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: 10px;
    background: var(--paper);
    border: 1px solid var(--ink);
    border-radius: 18px;
    box-shadow: 7px 8px 0 var(--ink);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .site-nav .nav-cta {
    margin-top: 5px;
    text-align: center;
  }

  .hero {
    padding: 120px 20px 0;
  }

  .hero-grid {
    gap: 72px;
  }

  h1 {
    font-size: clamp(50px, 15vw, 76px);
  }

  .authors {
    margin-top: 54px;
  }

  .affiliations {
    gap: 16px;
  }

  .affiliation {
    flex-basis: 100%;
    justify-content: flex-start;
    max-width: 410px;
    padding: 4px 0;
  }

  .affiliation + .affiliation {
    border-left: 0;
  }

  .section {
    padding: 86px 20px;
  }

  .failure-grid,
  .preference-grid,
  .internship-section {
    grid-template-columns: 1fr;
  }

  .failure-card {
    min-height: 420px;
  }

  .abstract-block {
    grid-template-columns: 1fr;
  }

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

  .step-grid li + li {
    border-left: 0;
  }

  .preference-card > p {
    min-height: 0;
  }

  .pref-diagram,
  .pref-diagram.reverse {
    grid-template-columns: 64px 0.6fr 1.7fr;
  }

  .pref-diagram.reverse .choices {
    order: 3;
  }

  .pref-diagram.reverse .branch-lines {
    order: 2;
    border-right: 1px solid var(--ink);
    border-left: 0;
  }

  .pref-diagram.reverse .fixed-token {
    order: 1;
  }

  .equation-strip {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .equation-note {
    text-align: center;
  }

  .internship-mark {
    width: 220px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 470px) {
  .hero-actions,
  .button {
    width: 100%;
  }

  .visual-window {
    box-shadow: 7px 8px 0 var(--ink);
  }

  .window-bar {
    grid-template-columns: 1fr auto;
  }

  .window-bar > span:nth-child(2) {
    display: none;
  }

  .failure-card,
  .preference-card {
    padding: 26px;
  }

  .micro-example {
    right: 26px;
    left: 26px;
    flex-wrap: wrap;
  }

  .pref-diagram,
  .pref-diagram.reverse {
    grid-template-columns: 1fr;
  }

  .branch-lines {
    display: none;
  }

  .pref-diagram.reverse .choices {
    order: initial;
  }

  .pref-diagram.reverse .fixed-token {
    order: initial;
  }

  .fixed-token {
    width: 70px;
  }

  .citation-card {
    padding: 65px 18px 22px;
  }

  .citation-card pre {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}