:root {
  color-scheme: light;
  --ink: #102a43;
  --ink-soft: #334e68;
  --muted: #627d98;
  --line: #d9e2ec;
  --line-strong: #bcccdc;
  --paper: #ffffff;
  --paper-warm: #fffdf8;
  --wash: #f4f7f9;
  --navy: #173f67;
  --navy-deep: #0b2945;
  --copper: #b44d22;
  --copper-dark: #8f3514;
  --gold: #d5a347;
  --shadow: 0 18px 60px rgba(16, 42, 67, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 2%, rgba(213, 163, 71, 0.12), transparent 28rem),
    var(--wash);
  font: 17px/1.62 Georgia, "Times New Roman", serif;
}

button,
input {
  font: inherit;
}

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

a {
  color: var(--copper-dark);
  text-underline-offset: 0.2em;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: white;
  background: var(--navy-deep);
  border-radius: 8px;
  transform: translateY(-160%);
}

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

.site-header {
  width: min(1380px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: white;
  background: var(--navy);
  border-radius: 50%;
  font-size: 1.15rem;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

.site-header nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--copper);
}

main {
  overflow: hidden;
}

.hero {
  width: min(1380px, calc(100% - 40px));
  min-height: 640px;
  margin: 18px auto 0;
  padding: clamp(40px, 7vw, 92px);
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 40px;
  color: white;
  background:
    linear-gradient(115deg, rgba(8, 31, 53, 0.98), rgba(20, 64, 102, 0.94)),
    var(--navy-deep);
  border-radius: 32px;
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
  background-image:
    linear-gradient(30deg, transparent 49.7%, rgba(255, 255, 255, 0.22) 50%, transparent 50.3%),
    linear-gradient(150deg, transparent 49.7%, rgba(255, 255, 255, 0.16) 50%, transparent 50.3%);
  background-size: 84px 145px;
  border-radius: inherit;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.card-kicker,
.publication-type {
  margin: 0 0 12px;
  color: var(--copper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffd68b;
}

.hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(3.2rem, 7vw, 7.2rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.hero h1 em {
  color: #f7d99e;
  font-weight: 400;
}

.hero-lead {
  max-width: 700px;
  margin: 30px 0 0;
  color: #d9e7f2;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
}

.hero-actions,
.publication-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.text-button,
.icon-button,
.download-image,
.dialog-actions a,
.dialog-actions button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.text-button:hover,
.icon-button:hover,
.download-image:hover,
.dialog-actions a:hover,
.dialog-actions button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  background: var(--copper);
  box-shadow: 0 9px 24px rgba(180, 77, 34, 0.28);
}

.button-primary:hover {
  background: var(--copper-dark);
}

.button-secondary {
  color: inherit;
  background: transparent;
  border-color: currentColor;
}

.hero .button-secondary {
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.button-small {
  min-width: 90px;
  color: white;
  background: var(--navy);
  border-radius: 10px;
}

.hero-geometry {
  min-height: 460px;
  position: relative;
  display: grid;
  place-items: center;
}

.triangle-glyph {
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(16rem, 31vw, 31rem);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 100;
  line-height: 1;
  filter: drop-shadow(0 0 32px rgba(255, 214, 139, 0.22));
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 214, 139, 0.55);
  border-radius: 50%;
  transform: rotate(-17deg);
}

.orbit-one { width: 88%; height: 36%; }
.orbit-two { width: 70%; height: 68%; transform: rotate(41deg); }
.orbit-three { width: 48%; height: 90%; transform: rotate(76deg); }

.project-summary {
  width: min(1220px, calc(100% - 40px));
  margin: -38px auto 100px;
  padding: 26px 34px;
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(16, 42, 67, 0.11);
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 8px 18px;
  border-left: 1px solid var(--line);
}

.stat:first-child {
  border-left: 0;
}

.stat strong {
  color: var(--navy-deep);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 500;
  line-height: 1.1;
}

.stat span {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.atlas-section,
.method-section,
.publications-section {
  width: min(1450px, calc(100% - 40px));
  margin: 0 auto;
  scroll-margin-top: 24px;
}

.section-heading {
  max-width: 1260px;
  margin: 0 auto 34px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  align-items: end;
  gap: 60px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.section-heading > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.atlas-shell {
  min-height: 500px;
  padding: clamp(18px, 3vw, 38px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.atlas-shell[aria-busy="true"] .comparison-grid {
  opacity: 0.46;
}

.atlas-controls {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto 76px auto auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.icon-button,
.text-button {
  color: var(--navy-deep);
  background: var(--wash);
  border-color: var(--line-strong);
}

.icon-button {
  width: 46px;
  padding-inline: 0;
  font-size: 1.3rem;
}

.rank-control {
  display: grid;
  grid-template-columns: auto minmax(100px, 1fr);
  align-items: center;
  gap: 16px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
}

.rank-control label {
  white-space: nowrap;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--copper);
}

.rank-number-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.rank-number {
  width: 76px;
  min-height: 44px;
  padding: 7px 10px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  text-align: center;
}

.diagram-search {
  margin-bottom: 26px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(190px, auto) minmax(280px, 1fr);
  align-items: start;
  gap: 16px;
  background: #eef4f8;
  border-radius: 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.83rem;
  font-weight: 700;
}

.diagram-search > label {
  padding-top: 10px;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.search-row input {
  min-width: 0;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}

.search-results {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-weight: 400;
}

.search-results button {
  padding: 6px 10px;
  color: var(--navy);
  background: white;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  transition: opacity 180ms ease;
}

.diagram-card {
  min-width: 0;
  overflow: hidden;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.card-header {
  min-height: 96px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: white;
  background: var(--navy-deep);
}

.diagram-card[data-card="compressibility"] .card-header {
  background: #63341f;
}

.diagram-card[data-card="modifiedCompression"] .card-header {
  background: #343434;
}

.card-header h3 {
  margin: 0;
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.2;
}

.card-kicker {
  margin-bottom: 4px;
  color: #bdd7ee;
}

.diagram-card[data-card="compressibility"] .card-kicker {
  color: #f3c99f;
}

.diagram-card[data-card="modifiedCompression"] .card-kicker {
  color: #dedede;
}

.rank-badge,
.other-rank {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
}

.rank-badge {
  margin-left: 6px;
  padding: 4px 8px;
  color: var(--navy-deep);
  background: #f7d99e;
  border-radius: 999px;
  vertical-align: middle;
}

.other-rank {
  color: #d9e7f2;
  text-align: right;
}

.diagram-figure {
  margin: 0;
  position: relative;
  background: white;
  border-bottom: 1px solid var(--line);
}

.image-open {
  width: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 6667 / 5779;
  background: white;
  border: 0;
  cursor: zoom-in;
}

.image-viewport {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  background: white;
  transition: transform 240ms ease;
}

.image-viewport img {
  max-width: none;
  position: absolute;
  height: auto;
  background: white;
}

.image-open-label {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 7px 10px;
  color: white;
  background: rgba(11, 41, 69, 0.86);
  border-radius: 999px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.image-open:hover .image-viewport {
  transform: scale(1.008);
}

.image-viewport.rotated-for-display,
.image-stage img.rotated-for-display {
  transform: rotate(180deg);
}

.image-open:hover .image-viewport.rotated-for-display {
  transform: rotate(180deg) scale(1.008);
}

.image-open:hover .image-open-label,
.image-open:focus-visible .image-open-label {
  opacity: 1;
  transform: translateY(0);
}

.diagram-details {
  padding: 22px;
}

.diagram-title-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.diagram-title-row h4 {
  margin: 0;
  font: 800 1.2rem/1.2 Arial, Helvetica, sans-serif;
}

.diagram-title-row p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.download-image {
  min-width: 78px;
  min-height: 38px;
  align-self: flex-start;
  padding: 8px 11px;
  color: var(--navy);
  background: white;
  border-color: var(--line-strong);
  font-size: 0.72rem;
}

.metrics {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.metric {
  min-width: 0;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  background: white;
}

.metric dt,
.metric dd {
  margin: 0;
}

.metric dt {
  color: var(--muted);
  font: 700 0.67rem/1.3 Arial, Helvetica, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric dd {
  color: var(--navy-deep);
  font-size: 1.03rem;
  font-variant-numeric: tabular-nums;
}

.atlas-note {
  margin: 22px 4px 0;
  color: var(--muted);
  font: 0.75rem/1.5 Arial, Helvetica, sans-serif;
  text-align: center;
}

.preference-study {
  margin-top: 26px;
  overflow: hidden;
  background: #f5efe5;
  border: 1px solid #d8c9b5;
  border-radius: 16px;
}

.preference-introduction,
.preference-form,
.preference-summary {
  padding: clamp(20px, 3vw, 34px);
}

.preference-introduction {
  color: white;
  background: var(--navy-deep);
}

.preference-introduction .eyebrow {
  color: #f7d99e;
}

.preference-introduction h3 {
  max-width: 1050px;
  margin: 8px 0 12px;
  font-size: clamp(1.45rem, 2.8vw, 2.35rem);
  font-weight: 500;
  line-height: 1.18;
}

.preference-introduction p:last-child {
  max-width: 850px;
  margin: 0;
  color: #cbdcea;
}

.preference-form {
  border-bottom: 1px solid #d8c9b5;
}

.preference-ranking {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.preference-ranking label {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 800 0.76rem/1.2 Arial, Helvetica, sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.preference-ranking label span {
  width: 25px;
  height: 25px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: var(--copper);
  border-radius: 50%;
}

.preference-ranking select {
  min-width: 0;
  min-height: 46px;
  padding: 9px 12px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font: 0.9rem/1.2 Arial, Helvetica, sans-serif;
}

.preference-ranking label:nth-of-type(1) { grid-column: 1; grid-row: 1; }
.preference-ranking select:nth-of-type(1) { grid-column: 1; grid-row: 2; }
.preference-ranking label:nth-of-type(2) { grid-column: 2; grid-row: 1; }
.preference-ranking select:nth-of-type(2) { grid-column: 2; grid-row: 2; }
.preference-ranking label:nth-of-type(3) { grid-column: 3; grid-row: 1; }
.preference-ranking select:nth-of-type(3) { grid-column: 3; grid-row: 2; }

.consent-control {
  margin-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font: 0.82rem/1.45 Arial, Helvetica, sans-serif;
}

.consent-control input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--copper);
}

.preference-privacy {
  max-width: 980px;
  margin: 8px 0 0 28px;
  color: var(--muted);
  font: 0.74rem/1.45 Arial, Helvetica, sans-serif;
}

.preference-actions,
.preference-data-actions {
  margin-top: 18px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.preference-status {
  color: var(--muted);
  font: 0.8rem/1.4 Arial, Helvetica, sans-serif;
}

.preference-status[data-tone="success"] { color: #25633d; }
.preference-status[data-tone="warning"] { color: #89520e; }
.preference-status[data-tone="error"] { color: #9c2f22; }

.preference-summary {
  background: white;
}

.preference-summary-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.preference-summary-heading h4 {
  margin: 5px 0 0;
  font-size: 1.35rem;
}

.preference-summary-heading > strong {
  color: var(--navy);
  font: 800 0.82rem/1.3 Arial, Helvetica, sans-serif;
}

.preference-progress-track {
  height: 7px;
  margin: 16px 0 20px;
  overflow: hidden;
  background: var(--wash);
  border-radius: 999px;
}

.preference-progress-track span {
  width: 0;
  height: 100%;
  display: block;
  background: var(--copper);
  border-radius: inherit;
  transition: width 220ms ease;
}

.preference-results {
  display: grid;
  gap: 7px;
}

.preference-result-row {
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 28px minmax(150px, 1fr) auto;
  align-items: center;
  gap: 10px;
  background: var(--wash);
  border-radius: 8px;
  font: 0.84rem/1.3 Arial, Helvetica, sans-serif;
}

.preference-result-row strong {
  color: var(--copper);
  font-size: 1rem;
}

.preference-result-row span:last-child {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.preference-empty {
  margin: 0;
  color: var(--muted);
}

.danger-button {
  color: #8c2f24;
}

.method-section,
.publications-section {
  margin-top: 120px;
}

.method-section {
  padding: clamp(32px, 6vw, 80px);
  color: white;
  background: var(--navy-deep);
  border-radius: 28px;
}

.method-heading {
  max-width: none;
}

.method-heading .eyebrow {
  color: #f7d99e;
}

.method-heading > p {
  color: #cbdcea;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.method-grid article {
  padding: 30px 24px 34px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.method-grid article:first-child {
  border-left: 0;
}

.step {
  color: #f7d99e;
  font: 800 0.75rem/1 Arial, Helvetica, sans-serif;
  letter-spacing: 0.1em;
}

.method-grid h3 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
}

.method-grid p {
  margin: 0;
  color: #cbdcea;
  font-size: 0.92rem;
}

.formula-note {
  margin-top: 30px;
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  color: var(--navy-deep);
  background: #f7d99e;
  border-radius: 12px;
}

.formula-note strong {
  flex: 0 0 auto;
  font-family: Arial, Helvetica, sans-serif;
}

.publications-section {
  margin-bottom: 110px;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.publication-card {
  min-height: 360px;
  padding: 34px;
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 38px rgba(16, 42, 67, 0.08);
}

.publication-index {
  color: var(--copper);
  font: 400 2.6rem/1 Georgia, serif;
}

.publication-type {
  margin-bottom: 10px;
}

.publication-card h3 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 2.7vw, 2.35rem);
  font-weight: 500;
  line-height: 1.08;
}

.publication-card p:not(.publication-type) {
  color: var(--ink-soft);
}

.publication-card .button-secondary {
  color: var(--navy-deep);
}

.site-footer {
  padding: 36px max(20px, calc((100% - 1380px) / 2));
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #d9e7f2;
  background: var(--navy-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
}

.site-footer div {
  display: flex;
  flex-direction: column;
}

.site-footer a {
  color: #f7d99e;
}

dialog {
  padding: 0;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 25px 100px rgba(0, 0, 0, 0.36);
}

dialog::backdrop {
  background: rgba(4, 20, 34, 0.78);
  backdrop-filter: blur(4px);
}

.media-dialog,
.pdf-dialog {
  width: min(96vw, 1500px);
  height: min(94vh, 1050px);
  color: var(--ink);
  background: #e9eff4;
}

.dialog-bar {
  min-height: 64px;
  padding: 10px 16px 10px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: white;
  background: var(--navy-deep);
}

.dialog-bar > div:first-child {
  display: flex;
  flex-direction: column;
}

.dialog-bar span {
  color: #cbdcea;
  font-size: 0.78rem;
}

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: Arial, Helvetica, sans-serif;
}

.dialog-actions a,
.dialog-actions button,
.dialog-actions output {
  min-height: 38px;
  padding: 8px 12px;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
}

.dialog-actions output {
  min-width: 64px;
  display: grid;
  place-items: center;
  font-size: 0.76rem;
}

.image-stage {
  height: calc(100% - 64px);
  overflow: auto;
  display: grid;
  place-items: start center;
  background: #d9e2ec;
}

.image-stage img {
  max-width: none;
  width: 100%;
  height: auto;
  transform-origin: top center;
}

.pdf-dialog iframe {
  width: 100%;
  height: calc(100% - 64px);
  border: 0;
  background: white;
}

.noscript {
  margin: 0;
  padding: 16px;
  color: white;
  background: #8f3514;
  text-align: center;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

@media (max-width: 1050px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-geometry {
    display: none;
  }

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

  .stat:nth-child(3) {
    border-left: 0;
  }

  .method-grid article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .method-grid article:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

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

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

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 18px;
  }

  .atlas-controls {
    grid-template-columns: auto 1fr 64px auto;
  }

  .rank-control {
    grid-column: span 2;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .text-button {
    grid-column: 1 / -1;
  }

  .diagram-search {
    grid-template-columns: 1fr;
  }

  .diagram-search > label {
    padding-top: 0;
  }

  .search-results {
    grid-column: 1;
  }

  .card-header {
    min-height: 84px;
  }

  .preference-ranking {
    grid-template-columns: 1fr;
  }

  .preference-ranking label:nth-of-type(n),
  .preference-ranking select:nth-of-type(n) {
    grid-column: 1;
    grid-row: auto;
  }

  .preference-summary-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .dialog-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .media-dialog,
  .pdf-dialog {
    height: 96vh;
  }

  .image-stage,
  .pdf-dialog iframe {
    height: calc(100% - 118px);
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .site-header,
  .hero,
  .project-summary,
  .atlas-section,
  .method-section,
  .publications-section {
    width: min(100% - 24px, 1450px);
  }

  .site-header nav {
    gap: 14px;
  }

  .hero {
    margin-top: 0;
    padding: 38px 24px 44px;
    border-radius: 18px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.7rem);
  }

  .project-summary {
    margin-top: 18px;
    margin-bottom: 76px;
    padding: 16px;
    grid-template-columns: 1fr 1fr;
  }

  .stat,
  .stat:nth-child(3) {
    padding: 10px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .stat:nth-child(-n+2) {
    border-top: 0;
  }

  .atlas-shell {
    padding: 12px;
    border-radius: 14px;
  }

  .atlas-controls {
    grid-template-columns: auto 1fr auto;
  }

  .rank-control {
    grid-column: 2;
  }

  .rank-number {
    grid-column: 2;
    grid-row: 2;
    justify-self: center;
  }

  #next-rank {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  #previous-rank {
    grid-row: 1 / span 2;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .diagram-details,
  .card-header {
    padding: 16px;
  }

  .card-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .other-rank {
    text-align: left;
  }

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

  .method-section {
    padding: 34px 20px;
  }

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

  .method-grid article,
  .method-grid article:first-child,
  .method-grid article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .method-grid article:first-child {
    border-top: 0;
  }

  .formula-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .publication-card {
    min-height: 0;
    padding: 24px 20px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .dialog-actions {
    flex-wrap: wrap;
  }
}

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