/* Persistent selector for the four public site themes. */
.design-switcher {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px;
  color: #ffffff;
  background: rgba(5, 9, 14, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.design-switcher-label {
  padding-left: 7px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.design-options {
  display: flex;
  gap: 3px;
}

.design-options a {
  display: grid;
  grid-template-columns: 24px auto;
  align-items: center;
  gap: 5px;
  min-height: 34px;
  padding: 4px 8px 4px 5px;
  color: rgba(255, 255, 255, 0.68);
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 0.72rem;
  font-weight: 750;
  text-decoration: none;
}

.design-options a span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  font-size: 0.75rem;
}

.design-options a:hover,
.design-options a:focus-visible {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  outline: none;
}

.design-options a[aria-current="page"] {
  color: #071017;
  background: #ffd338;
}

.design-options a[aria-current="page"] span {
  color: #071017;
  background: rgba(7, 16, 23, 0.12);
}

.hero-field-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@media (max-width: 720px) {
  .design-switcher {
    right: 8px;
    bottom: 8px;
    left: 8px;
    justify-content: space-between;
  }

  .design-options {
    flex: 1;
  }

  .design-options a {
    display: grid;
    flex: 1;
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 4px;
  }

  .design-options a small {
    display: none;
  }
}

@media print {
  .design-switcher {
    display: none;
  }
}

/* -------------------------------------------------------------------------- */
/* Design 1: Signal Field                                                     */
/* -------------------------------------------------------------------------- */

html[data-design="1"] {
  --d1-black: #080b0c;
  --d1-ink: #101616;
  --d1-paper: #f3f7f2;
  --d1-lime: #c8ff4d;
  --d1-aqua: #50e3c2;
  --d1-coral: #ff705d;
  --d1-line: rgba(169, 207, 194, 0.24);
  background: var(--d1-black);
}

html[data-design="1"] body {
  color: var(--d1-ink);
  background: var(--d1-paper);
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
}

html[data-design="1"] body::before {
  display: none;
}

html[data-design="1"] .site-header {
  min-height: 72px;
  padding-top: 10px;
  padding-bottom: 10px;
  color: #f6faf7;
  background: rgba(8, 11, 12, 0.9);
  border-bottom: 1px solid rgba(200, 255, 77, 0.24);
  box-shadow: none;
}

html[data-design="1"] .brand-mark {
  color: var(--d1-black);
  background: var(--d1-lime);
  border: 0;
  border-radius: 2px;
  box-shadow: 6px 6px 0 rgba(80, 227, 194, 0.28);
}

html[data-design="1"] .brand strong,
html[data-design="1"] .site-nav a {
  color: #ffffff;
}

html[data-design="1"] .brand small {
  color: rgba(230, 244, 236, 0.6);
}

html[data-design="1"] .site-nav a {
  position: relative;
  border-radius: 2px;
  font-size: 0.78rem;
  text-transform: uppercase;
}

html[data-design="1"] .site-nav a::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 5px;
  left: 12px;
  height: 2px;
  background: var(--d1-lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

html[data-design="1"] .site-nav a:hover,
html[data-design="1"] .site-nav a:focus-visible {
  background: transparent;
}

html[data-design="1"] .site-nav a:hover::after,
html[data-design="1"] .site-nav a:focus-visible::after {
  transform: scaleX(1);
}

html[data-design="1"] .hero {
  align-items: center;
  min-height: 100svh;
  padding-top: 132px;
  padding-bottom: 116px;
  color: #ffffff;
  background: var(--d1-black);
}

html[data-design="1"] .hero::before {
  content: "";
  position: absolute;
  inset: 0 28% 0 0;
  z-index: 1;
  background: var(--d1-black);
  clip-path: polygon(0 0, 86% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

html[data-design="1"] .hero::after {
  height: 7px;
  background: var(--d1-lime);
  box-shadow: none;
}

html[data-design="1"] .hero-image {
  inset: 0 0 0 auto;
  z-index: 0;
  width: 48%;
  opacity: 0.62;
  background-image: url("../images/louis-bouchard-portrait.jpg");
  background-size: cover;
  background-position: center 34%;
  filter: grayscale(1) contrast(1.13);
}

html[data-design="1"] .hero-visual {
  display: none;
}

html[data-design="1"] .hero-field-canvas {
  z-index: 2;
  opacity: 0.68;
}

html[data-design="1"] .hero-content {
  z-index: 3;
  width: min(720px, 72%);
  padding-left: 30px;
  border-left: 2px solid var(--d1-lime);
}

html[data-design="1"] .hero .eyebrow {
  color: var(--d1-aqua);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}

html[data-design="1"] h1 {
  max-width: 760px;
  margin-bottom: 30px;
  color: #ffffff;
  font-size: 6.2rem;
  font-weight: 760;
  line-height: 0.91;
}

html[data-design="1"] h2 {
  font-size: 3rem;
}

html[data-design="1"] .hero-lede {
  max-width: 660px;
  color: rgba(238, 248, 241, 0.76);
  font-size: 1.18rem;
}

html[data-design="1"] .button {
  border-radius: 2px;
  text-transform: uppercase;
}

html[data-design="1"] .button-primary {
  color: var(--d1-black);
  background: var(--d1-lime);
  box-shadow: none;
}

html[data-design="1"] .button-primary:hover,
html[data-design="1"] .button-primary:focus-visible {
  color: var(--d1-black);
  background: #e1ff99;
}

html[data-design="1"] .button-secondary {
  color: #ffffff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
}

html[data-design="1"] .signal-strip {
  max-width: none;
  margin: 0;
  padding: 0;
  background: var(--d1-black);
}

html[data-design="1"] .signal-strip div {
  min-height: 132px;
  padding: 28px max(24px, calc((100vw - 1180px) / 6));
  background: #0f1515;
  border: 0;
  border-right: 1px solid rgba(200, 255, 77, 0.2);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .signal-strip div:first-child,
html[data-design="1"] .signal-strip div:last-child {
  border-radius: 0;
}

html[data-design="1"] .signal-strip strong {
  color: var(--d1-lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
}

html[data-design="1"] .signal-strip span {
  color: rgba(241, 249, 243, 0.7);
}

html[data-design="1"] .section {
  padding-top: 110px;
  padding-bottom: 110px;
}

html[data-design="1"] .section-kicker {
  color: #167b68;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

html[data-design="1"] .intro-section {
  padding-top: 130px;
  background: var(--d1-paper);
}

html[data-design="1"] .intro-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

html[data-design="1"] .intro-grid h2 {
  max-width: 680px;
  font-size: 4rem;
  line-height: 0.98;
}

html[data-design="1"] .research-section {
  color: #ffffff;
  background: var(--d1-black);
}

html[data-design="1"] .research-section::before {
  background-image:
    linear-gradient(rgba(80, 227, 194, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 227, 194, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 1;
}

html[data-design="1"] .research-section .section-heading p {
  color: rgba(238, 248, 241, 0.66);
}

html[data-design="1"] .research-overview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(80, 227, 194, 0.26);
}

html[data-design="1"] .research-card {
  grid-template-columns: 74px minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: 18px;
  min-height: 218px;
  padding: 28px;
  color: rgba(238, 248, 241, 0.72);
  background: rgba(8, 11, 12, 0.88);
  border: 0;
  border-radius: 0;
}

html[data-design="1"] .research-card::after {
  right: 28px;
  bottom: 24px;
  width: 42px;
  background: var(--d1-coral);
}

html[data-design="1"] .research-card span {
  grid-row: 1 / 3;
  width: 58px;
  height: 58px;
  margin: 0;
  color: var(--d1-black);
  background: var(--d1-lime);
  border-radius: 50%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

html[data-design="1"] .research-card h3 {
  font-size: 1.55rem;
}

html[data-design="1"] .research-card:hover,
html[data-design="1"] .research-card:focus-visible {
  transform: none;
  color: #ffffff;
  background: #14201d;
  box-shadow: inset 5px 0 0 var(--d1-lime);
}

html[data-design="1"] .project-section,
html[data-design="1"] .people-section,
html[data-design="1"] .student-section {
  background: #e9f6d7;
}

html[data-design="1"] .project-grid {
  gap: 0;
  border-top: 2px solid var(--d1-ink);
  border-bottom: 2px solid var(--d1-ink);
}

html[data-design="1"] .project-card {
  min-height: 290px;
  padding: 32px;
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(16, 22, 22, 0.28);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .project-card:last-child {
  border-right: 0;
}

html[data-design="1"] .project-number,
html[data-design="1"] .project-card:nth-child(2) .project-number,
html[data-design="1"] .project-card:nth-child(3) .project-number {
  color: #ffffff;
  background: var(--d1-ink);
  border-radius: 50%;
}

html[data-design="1"] .publications-section,
html[data-design="1"] .contact-section {
  background: var(--d1-paper);
}

html[data-design="1"] .publication-scroll {
  padding: 0;
  background: transparent;
  border: 1px solid #b7c5bb;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .publication-item {
  margin: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #c8d3ca;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .publication-item:hover {
  transform: none;
  background: #ffffff;
}

html[data-design="1"] .pub-year {
  color: var(--d1-black);
  background: var(--d1-lime);
  border: 0;
  border-radius: 2px;
}

html[data-design="1"] .people-grid {
  gap: 1px;
  background: var(--d1-ink);
  border: 1px solid var(--d1-ink);
}

html[data-design="1"] .person-card {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .student-panel {
  color: var(--d1-black);
  background: var(--d1-lime);
  border: 0;
  border-radius: 0;
  box-shadow: 14px 14px 0 var(--d1-aqua);
}

html[data-design="1"] .student-panel h2,
html[data-design="1"] .student-panel p,
html[data-design="1"] .student-panel .section-kicker {
  color: var(--d1-black);
}

html[data-design="1"] .student-panel .button-primary {
  color: #ffffff;
  background: var(--d1-black);
}

html[data-design="1"] .site-footer {
  color: rgba(238, 248, 241, 0.7);
  background: var(--d1-black);
  border-top: 7px solid var(--d1-lime);
}

html[data-design="1"] .site-footer a {
  color: var(--d1-aqua);
}

html[data-design="1"] .research-page-main {
  background: var(--d1-paper);
}

html[data-design="1"] .research-page-hero {
  min-height: 670px;
  color: #ffffff;
  background: var(--d1-black);
}

html[data-design="1"] .research-page-hero::before {
  background-image:
    linear-gradient(rgba(80, 227, 194, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 227, 194, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
}

html[data-design="1"] .research-page-hero .hero-field-canvas {
  z-index: 0;
  opacity: 0.72;
}

html[data-design="1"] .research-page-hero > div {
  z-index: 1;
  padding-left: 30px;
  border-left: 2px solid var(--d1-lime);
}

html[data-design="1"] .research-page-hero h1 {
  max-width: 980px;
  font-size: 5rem;
  line-height: 0.96;
}

html[data-design="1"] .research-detail-section {
  border-bottom: 1px solid #becbc1;
}

html[data-design="1"] .research-method-list {
  gap: 1px;
  background: #b9c6bc;
  border: 1px solid #b9c6bc;
}

html[data-design="1"] .research-method-list div {
  background: #ffffff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="1"] .research-method-list dt,
html[data-design="1"] .paper-links a {
  color: #0c7561;
}

/* -------------------------------------------------------------------------- */
/* Design 2: Scientific Atlas                                                 */
/* -------------------------------------------------------------------------- */

html[data-design="2"] {
  --d2-blue: #064fc4;
  --d2-red: #ff4f32;
  --d2-yellow: #ffd23d;
  --d2-black: #111111;
  --d2-gray: #59616a;
  --d2-line: #c8cdd2;
  background: #ffffff;
}

html[data-design="2"] body {
  color: var(--d2-black);
  background: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

html[data-design="2"] body::before {
  display: none;
}

@media (min-width: 981px) {
  html[data-design="2"] .site-header {
    right: auto;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    width: 236px;
    min-height: 100vh;
    padding: 34px 24px;
    color: #ffffff;
    background: var(--d2-blue);
    border: 0;
    box-shadow: none;
  }

  html[data-design="2"] .site-nav {
    display: grid;
    gap: 0;
    margin-top: 70px;
  }

  html[data-design="2"] .site-nav a {
    justify-content: flex-start;
    min-height: 52px;
    padding: 12px 0;
    color: #ffffff;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 0;
  }

  html[data-design="2"] .site-nav a:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  }

  html[data-design="2"] main,
  html[data-design="2"] .site-footer {
    margin-left: 236px;
  }
}

html[data-design="2"] .brand {
  align-items: flex-start;
}

html[data-design="2"] .brand-mark {
  color: var(--d2-black);
  background: var(--d2-yellow);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .brand strong,
html[data-design="2"] .brand small {
  color: #ffffff;
}

html[data-design="2"] .site-nav a:hover,
html[data-design="2"] .site-nav a:focus-visible {
  color: var(--d2-black);
  background: var(--d2-yellow);
  outline: 8px solid var(--d2-yellow);
}

html[data-design="2"] .hero {
  align-items: flex-end;
  min-height: 90vh;
  padding: 100px 6vw 80px;
  color: var(--d2-black);
  background: #ffffff;
  border-bottom: 1px solid var(--d2-black);
}

html[data-design="2"] .hero::before {
  content: "BCL / UCLA / 2026";
  position: absolute;
  top: 34px;
  left: 6vw;
  z-index: 2;
  color: var(--d2-blue);
  font-size: 0.72rem;
  font-weight: 800;
}

html[data-design="2"] .hero::after {
  top: 0;
  right: auto;
  bottom: 0;
  left: 0;
  width: 10px;
  height: auto;
  background: var(--d2-red);
  box-shadow: none;
}

html[data-design="2"] .hero-image {
  inset: 0 0 0 auto;
  width: 45%;
  background-image: url("../images/louis-bouchard-portrait.jpg");
  background-size: cover;
  background-position: center 36%;
  filter: saturate(0.72) contrast(1.02);
}

html[data-design="2"] .hero-visual {
  display: none;
}

html[data-design="2"] .hero-content {
  z-index: 2;
  width: 58%;
  padding: 36px 5vw 0 0;
  background: #ffffff;
}

html[data-design="2"] .hero .eyebrow {
  color: var(--d2-red);
  font-size: 0.72rem;
}

html[data-design="2"] h1 {
  margin-bottom: 32px;
  color: var(--d2-black);
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 5.4rem;
  font-weight: 900;
  line-height: 0.9;
}

html[data-design="2"] h2 {
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 3.15rem;
  line-height: 0.96;
}

html[data-design="2"] .hero-lede {
  color: #3f454b;
  font-size: 1.12rem;
}

html[data-design="2"] .button {
  border-radius: 0;
  text-transform: uppercase;
}

html[data-design="2"] .button-primary {
  color: #ffffff;
  background: var(--d2-blue);
  box-shadow: none;
}

html[data-design="2"] .button-primary:hover,
html[data-design="2"] .button-primary:focus-visible {
  color: var(--d2-black);
  background: var(--d2-yellow);
}

html[data-design="2"] .button-secondary {
  color: var(--d2-black);
  background: #ffffff;
  border-color: var(--d2-black);
}

html[data-design="2"] .signal-strip {
  max-width: none;
  margin: 0;
  padding: 0;
  gap: 0;
}

html[data-design="2"] .signal-strip div {
  min-height: 144px;
  padding: 28px 3vw;
  color: #ffffff;
  background: var(--d2-blue);
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .signal-strip div:nth-child(2) {
  background: #12346b;
}

html[data-design="2"] .signal-strip div:nth-child(3) {
  color: var(--d2-black);
  background: var(--d2-yellow);
}

html[data-design="2"] .signal-strip div:first-child,
html[data-design="2"] .signal-strip div:last-child {
  border-radius: 0;
}

html[data-design="2"] .signal-strip strong {
  color: inherit;
  text-transform: uppercase;
}

html[data-design="2"] .signal-strip span {
  color: inherit;
  opacity: 0.8;
}

html[data-design="2"] .section {
  max-width: 1340px;
  padding: 112px 6vw;
}

html[data-design="2"] .section-kicker {
  color: var(--d2-red);
}

html[data-design="2"] .intro-grid {
  grid-template-columns: 1.3fr 0.7fr;
}

html[data-design="2"] .intro-grid h2 {
  max-width: 760px;
  font-size: 4.35rem;
}

html[data-design="2"] .research-section {
  max-width: none;
  color: var(--d2-black);
  background: #f1f3f5;
  border-top: 1px solid var(--d2-black);
}

html[data-design="2"] .research-section::before {
  display: none;
}

html[data-design="2"] .research-section > * {
  max-width: 1340px;
}

html[data-design="2"] .research-section .section-heading h2 {
  color: var(--d2-black);
}

html[data-design="2"] .research-section .section-heading p {
  color: var(--d2-gray);
}

html[data-design="2"] .research-overview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 44px;
}

html[data-design="2"] .research-card {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  gap: 8px 22px;
  min-height: 190px;
  padding: 28px 0;
  color: var(--d2-gray);
  background: transparent;
  border: 0;
  border-top: 2px solid var(--d2-black);
  border-radius: 0;
}

html[data-design="2"] .research-card::after {
  display: none;
}

html[data-design="2"] .research-card span {
  grid-row: 1 / 3;
  display: block;
  width: auto;
  height: auto;
  margin: 0;
  color: var(--d2-blue);
  background: transparent;
  border-radius: 0;
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 3.8rem;
  line-height: 0.9;
}

html[data-design="2"] .research-card h3 {
  color: var(--d2-black);
  font-size: 1.5rem;
}

html[data-design="2"] .research-card:hover,
html[data-design="2"] .research-card:focus-visible {
  transform: none;
  color: var(--d2-black);
  background: var(--d2-yellow);
  box-shadow: 14px 0 0 var(--d2-yellow), -14px 0 0 var(--d2-yellow);
}

html[data-design="2"] .project-section {
  max-width: none;
  color: #ffffff;
  background: var(--d2-black);
}

html[data-design="2"] .project-section > * {
  max-width: 1340px;
}

html[data-design="2"] .project-section h2,
html[data-design="2"] .project-section h3 {
  color: #ffffff;
}

html[data-design="2"] .project-section .section-heading p,
html[data-design="2"] .project-card p {
  color: rgba(255, 255, 255, 0.66);
}

html[data-design="2"] .project-grid {
  gap: 0;
}

html[data-design="2"] .project-card {
  min-height: 300px;
  padding: 32px;
  background: transparent;
  border: 0;
  border-top: 6px solid var(--d2-red);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .project-card:nth-child(2) {
  border-top-color: var(--d2-yellow);
}

html[data-design="2"] .project-card:nth-child(3) {
  border-top-color: #4ca8ff;
}

html[data-design="2"] .project-number,
html[data-design="2"] .project-card:nth-child(2) .project-number,
html[data-design="2"] .project-card:nth-child(3) .project-number {
  color: #ffffff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 0;
}

html[data-design="2"] .publications-section,
html[data-design="2"] .contact-section {
  max-width: 1340px;
  background: #ffffff;
}

html[data-design="2"] .publication-scroll {
  padding: 0;
  background: #ffffff;
  border: 2px solid var(--d2-black);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .publication-item {
  grid-template-columns: 92px minmax(0, 1fr);
  padding: 18px 24px;
  background: #ffffff;
  border: 0;
  border-bottom: 1px solid var(--d2-line);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .publication-item:hover {
  transform: none;
  background: #f2f6ff;
}

html[data-design="2"] .pub-year {
  justify-content: flex-start;
  color: var(--d2-blue);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 1.1rem;
}

html[data-design="2"] .people-section,
html[data-design="2"] .student-section {
  max-width: none;
  background: #f1f3f5;
}

html[data-design="2"] .people-section > *,
html[data-design="2"] .student-section > * {
  max-width: 1340px;
}

html[data-design="2"] .people-grid {
  gap: 0;
  border: 1px solid var(--d2-black);
}

html[data-design="2"] .person-card {
  border: 0;
  border-right: 1px solid var(--d2-black);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .person-card:last-child {
  border-right: 0;
}

html[data-design="2"] .person-initials,
html[data-design="2"] .featured-person .person-initials {
  color: #ffffff;
  background: var(--d2-blue);
  border-radius: 0;
}

html[data-design="2"] .student-panel {
  color: var(--d2-black);
  background: var(--d2-yellow);
  border: 0;
  border-left: 12px solid var(--d2-red);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .student-panel h2,
html[data-design="2"] .student-panel p,
html[data-design="2"] .student-panel .section-kicker {
  color: var(--d2-black);
}

html[data-design="2"] .site-footer {
  color: rgba(255, 255, 255, 0.72);
  background: var(--d2-blue);
  border-top: 0;
}

html[data-design="2"] .site-footer a {
  color: var(--d2-yellow);
}

html[data-design="2"] .research-page-main {
  background: #ffffff;
}

html[data-design="2"] .research-page-hero {
  min-height: 620px;
  color: var(--d2-black);
  background: var(--d2-yellow);
  border-bottom: 12px solid var(--d2-red);
}

html[data-design="2"] .research-page-hero::before {
  content: "RESEARCH ATLAS / 01-06";
  position: absolute;
  top: 110px;
  right: 6vw;
  left: auto;
  color: var(--d2-blue);
  background: transparent;
  font-size: 0.72rem;
  font-weight: 900;
}

html[data-design="2"] .research-page-hero h1,
html[data-design="2"] .research-page-hero p:not(.eyebrow) {
  color: var(--d2-black);
}

html[data-design="2"] .research-page-hero h1 {
  max-width: 940px;
  font-size: 5rem;
}

html[data-design="2"] .research-detail-section {
  max-width: 1340px;
  padding-right: 6vw;
  padding-left: 6vw;
  border-bottom: 2px solid var(--d2-black);
}

html[data-design="2"] .research-detail-layout {
  grid-template-columns: 0.7fr 1.3fr;
  gap: 6vw;
}

html[data-design="2"] .research-method-list {
  gap: 0;
  border-top: 2px solid var(--d2-black);
}

html[data-design="2"] .research-method-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--d2-line);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="2"] .research-method-list dt,
html[data-design="2"] .paper-links a {
  color: var(--d2-blue);
}

/* -------------------------------------------------------------------------- */
/* Design 3: Molecular Interface                                              */
/* -------------------------------------------------------------------------- */

html[data-design="3"] {
  --d3-green: #10382e;
  --d3-deep: #0a1713;
  --d3-mint: #44f1c8;
  --d3-yellow: #ffd344;
  --d3-pink: #ff5d8f;
  --d3-paper: #f4f9f6;
  --d3-ink: #13211c;
  --d3-line: #afc9c0;
  background: var(--d3-deep);
}

html[data-design="3"] body {
  color: var(--d3-ink);
  background: var(--d3-paper);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

html[data-design="3"] body::before {
  display: none;
}

html[data-design="3"] .site-header {
  min-height: 82px;
  color: #ffffff;
  background: rgba(10, 23, 19, 0.76);
  border-bottom: 1px solid rgba(68, 241, 200, 0.24);
  box-shadow: none;
}

html[data-design="3"] .brand-mark {
  color: var(--d3-deep);
  background: var(--d3-mint);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(68, 241, 200, 0.12);
}

html[data-design="3"] .brand strong,
html[data-design="3"] .site-nav a {
  color: #ffffff;
}

html[data-design="3"] .brand small {
  color: rgba(225, 247, 238, 0.62);
}

html[data-design="3"] .site-nav a {
  border: 1px solid transparent;
  border-radius: 8px;
}

html[data-design="3"] .site-nav a:hover,
html[data-design="3"] .site-nav a:focus-visible {
  color: var(--d3-deep);
  background: var(--d3-mint);
}

html[data-design="3"] .hero {
  min-height: 96svh;
  padding-top: 140px;
  padding-bottom: 100px;
  color: #ffffff;
  background: var(--d3-green);
}

html[data-design="3"] .hero::before {
  content: "";
  position: absolute;
  top: 17%;
  right: 4%;
  z-index: 1;
  width: min(42vw, 580px);
  aspect-ratio: 1;
  border: 1px solid rgba(68, 241, 200, 0.42);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(68, 241, 200, 0.035), 0 0 0 76px rgba(255, 211, 68, 0.025);
  pointer-events: none;
}

html[data-design="3"] .hero::after {
  height: 9px;
  background: var(--d3-pink);
  box-shadow: none;
}

html[data-design="3"] .hero-image {
  inset: 13% 6% auto auto;
  z-index: 1;
  width: min(38vw, 520px);
  aspect-ratio: 0.86;
  opacity: 0.68;
  background-image: url("../images/louis-bouchard-portrait.jpg");
  background-size: cover;
  background-position: center 30%;
  clip-path: polygon(50% 0, 94% 24%, 94% 76%, 50% 100%, 6% 76%, 6% 24%);
  filter: saturate(0.75) contrast(1.08);
}

html[data-design="3"] .hero-visual {
  display: none;
}

html[data-design="3"] .hero-field-canvas {
  z-index: 0;
  opacity: 0.92;
}

html[data-design="3"] .hero-content {
  z-index: 3;
  width: min(700px, 61%);
}

html[data-design="3"] .hero .eyebrow {
  color: var(--d3-yellow);
}

html[data-design="3"] h1 {
  max-width: 720px;
  color: #ffffff;
  font-size: 5.5rem;
  font-weight: 760;
  line-height: 0.94;
}

html[data-design="3"] h2 {
  font-size: 3.1rem;
}

html[data-design="3"] .hero-lede {
  max-width: 640px;
  color: rgba(232, 250, 243, 0.78);
  font-size: 1.2rem;
}

html[data-design="3"] .button {
  border-radius: 8px;
}

html[data-design="3"] .button-primary {
  color: var(--d3-deep);
  background: var(--d3-mint);
  box-shadow: none;
}

html[data-design="3"] .button-primary:hover,
html[data-design="3"] .button-primary:focus-visible {
  color: var(--d3-deep);
  background: var(--d3-yellow);
}

html[data-design="3"] .button-secondary {
  color: #ffffff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.38);
}

html[data-design="3"] .signal-strip {
  max-width: none;
  margin: 0;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  gap: 0;
  background: var(--d3-deep);
}

html[data-design="3"] .signal-strip div {
  min-height: 140px;
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(68, 241, 200, 0.2);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="3"] .signal-strip div:first-child,
html[data-design="3"] .signal-strip div:last-child {
  border-radius: 0;
}

html[data-design="3"] .signal-strip strong {
  color: var(--d3-mint);
}

html[data-design="3"] .signal-strip span {
  color: rgba(226, 247, 239, 0.68);
}

html[data-design="3"] .section {
  padding-top: 112px;
  padding-bottom: 112px;
}

html[data-design="3"] .section-kicker {
  color: #08745f;
}

html[data-design="3"] .intro-section {
  background: #ffffff;
}

html[data-design="3"] .intro-grid {
  grid-template-columns: 1.18fr 0.82fr;
}

html[data-design="3"] .intro-grid h2 {
  max-width: 720px;
  font-size: 4.15rem;
  line-height: 1;
}

html[data-design="3"] .research-section {
  color: var(--d3-ink);
  background: #dff6ee;
  border: 0;
}

html[data-design="3"] .research-section::before {
  background-image:
    radial-gradient(circle, rgba(16, 56, 46, 0.14) 1px, transparent 1.5px);
  background-size: 28px 28px;
  opacity: 1;
}

html[data-design="3"] .research-section .section-heading h2 {
  color: var(--d3-ink);
}

html[data-design="3"] .research-section .section-heading p {
  color: #4f665e;
}

html[data-design="3"] .research-overview-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

html[data-design="3"] .research-card {
  min-height: 270px;
  padding: 26px;
  color: #40564e;
  background: #ffffff;
  border: 1px solid rgba(16, 56, 46, 0.2);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(16, 56, 46, 0.08);
}

html[data-design="3"] .research-card:nth-child(1),
html[data-design="3"] .research-card:nth-child(6) {
  grid-column: span 5;
}

html[data-design="3"] .research-card:nth-child(2),
html[data-design="3"] .research-card:nth-child(4) {
  grid-column: span 3;
}

html[data-design="3"] .research-card:nth-child(3),
html[data-design="3"] .research-card:nth-child(5) {
  grid-column: span 4;
}

html[data-design="3"] .research-card:nth-child(2) {
  background: #fff0a6;
}

html[data-design="3"] .research-card:nth-child(3),
html[data-design="3"] .research-card:nth-child(5) {
  background: #f9e0e9;
}

html[data-design="3"] .research-card:nth-child(4) {
  background: #c9f8ec;
}

html[data-design="3"] .research-card::after {
  right: 24px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  background: transparent;
  border: 1px solid rgba(16, 56, 46, 0.3);
  border-radius: 50%;
}

html[data-design="3"] .research-card span {
  width: 44px;
  height: 44px;
  margin-bottom: 34px;
  color: #ffffff;
  background: var(--d3-green);
  border-radius: 50%;
}

html[data-design="3"] .research-card h3 {
  color: var(--d3-ink);
  font-size: 1.45rem;
}

html[data-design="3"] .research-card:hover,
html[data-design="3"] .research-card:focus-visible {
  transform: translateY(-6px) rotate(-0.5deg);
  color: var(--d3-ink);
  background: #ffffff;
  border-color: var(--d3-green);
  box-shadow: 12px 12px 0 var(--d3-mint);
}

html[data-design="3"] .project-section {
  color: #ffffff;
  background: var(--d3-green);
}

html[data-design="3"] .project-section h2,
html[data-design="3"] .project-section h3 {
  color: #ffffff;
}

html[data-design="3"] .project-section .section-heading p,
html[data-design="3"] .project-card p {
  color: rgba(229, 250, 242, 0.68);
}

html[data-design="3"] .project-grid {
  gap: 14px;
}

html[data-design="3"] .project-card {
  min-height: 284px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(68, 241, 200, 0.25);
  border-radius: 8px;
  box-shadow: none;
}

html[data-design="3"] .project-number,
html[data-design="3"] .project-card:nth-child(2) .project-number,
html[data-design="3"] .project-card:nth-child(3) .project-number {
  color: var(--d3-deep);
  background: var(--d3-mint);
  border-radius: 50%;
}

html[data-design="3"] .project-card:nth-child(2) .project-number {
  background: var(--d3-yellow);
}

html[data-design="3"] .project-card:nth-child(3) .project-number {
  background: var(--d3-pink);
}

html[data-design="3"] .publications-section,
html[data-design="3"] .contact-section {
  background: var(--d3-paper);
}

html[data-design="3"] .publication-scroll {
  padding: 8px 0 8px 18px;
  background: #ffffff;
  border: 0;
  border-left: 3px solid var(--d3-green);
  border-radius: 0;
  box-shadow: none;
}

html[data-design="3"] .publication-item {
  margin-right: 12px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #c8dad3;
  border-radius: 0;
  box-shadow: none;
}

html[data-design="3"] .publication-item:hover {
  transform: none;
  background: #eefaf6;
}

html[data-design="3"] .pub-year {
  color: #ffffff;
  background: var(--d3-green);
  border: 0;
  border-radius: 8px;
}

html[data-design="3"] .people-section,
html[data-design="3"] .student-section {
  background: #e2f0eb;
}

html[data-design="3"] .people-grid {
  gap: 14px;
}

html[data-design="3"] .person-card {
  border-color: #afc9c0;
  box-shadow: none;
}

html[data-design="3"] .person-initials,
html[data-design="3"] .featured-person .person-initials {
  color: var(--d3-deep);
  background: var(--d3-yellow);
  border-radius: 50%;
}

html[data-design="3"] .student-panel {
  color: #ffffff;
  background: var(--d3-pink);
  border: 0;
  border-radius: 8px;
  box-shadow: 14px 14px 0 var(--d3-yellow);
}

html[data-design="3"] .student-panel h2,
html[data-design="3"] .student-panel p,
html[data-design="3"] .student-panel .section-kicker {
  color: #ffffff;
}

html[data-design="3"] .student-panel .button-primary {
  color: #ffffff;
  background: var(--d3-deep);
}

html[data-design="3"] .contact-block {
  border-color: #afc9c0;
  box-shadow: none;
}

html[data-design="3"] .site-footer {
  color: rgba(229, 250, 242, 0.7);
  background: var(--d3-deep);
  border-top: 9px solid var(--d3-mint);
}

html[data-design="3"] .site-footer a {
  color: var(--d3-yellow);
}

html[data-design="3"] .research-page-main {
  background: var(--d3-paper);
}

html[data-design="3"] .research-page-hero {
  min-height: 680px;
  color: #ffffff;
  background: var(--d3-green);
}

html[data-design="3"] .research-page-hero::before {
  background-image: radial-gradient(circle, rgba(68, 241, 200, 0.22) 1px, transparent 1.5px);
  background-size: 28px 28px;
}

html[data-design="3"] .research-page-hero .hero-field-canvas {
  z-index: 0;
}

html[data-design="3"] .research-page-hero > div {
  z-index: 1;
}

html[data-design="3"] .research-page-hero h1 {
  max-width: 900px;
  font-size: 5rem;
}

html[data-design="3"] .research-detail-section {
  max-width: none;
  border-bottom: 1px solid #bed2cb;
}

html[data-design="3"] .research-detail-section:nth-child(odd) {
  background: #e4f5ef;
}

html[data-design="3"] .research-detail-layout {
  max-width: 1180px;
  margin: 0 auto;
}

html[data-design="3"] .research-method-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

html[data-design="3"] .research-method-list div {
  background: #ffffff;
  border-color: #b8cec6;
  border-radius: 8px;
  box-shadow: none;
}

html[data-design="3"] .research-method-list dt,
html[data-design="3"] .paper-links a {
  color: #08745f;
}

/* Keep the detail pages on a deliberate high-contrast reading surface. */
html[data-design="3"] .research-detail-section {
  color: #ffffff;
  background: var(--d3-green) !important;
  border-bottom-color: rgba(68, 241, 200, 0.24);
}

html[data-design="3"] .research-detail-section:nth-child(odd) {
  background: var(--d3-deep) !important;
}

html[data-design="3"] .research-detail-layout h2 {
  color: #ffffff;
}

html[data-design="3"] .research-detail-layout .section-kicker {
  color: var(--d3-yellow);
}

html[data-design="3"] .research-detail-layout .research-question {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 650;
}

html[data-design="3"] .research-method-list {
  gap: 12px;
}

html[data-design="3"] .research-method-list div {
  color: var(--d3-ink);
  background: #ffffff;
  border-color: rgba(68, 241, 200, 0.2);
}

html[data-design="3"] .research-method-list dd {
  color: #314d43;
}

html[data-design="3"] .research-method-list .paper-links a {
  color: #056b57;
}

/* Shared responsive behavior for the three proposals. */
@media (max-width: 1180px) {
  html[data-design="1"] h1,
  html[data-design="2"] h1,
  html[data-design="3"] h1 {
    font-size: 4.7rem;
  }

  html[data-design="2"] .hero-content {
    width: 62%;
  }
}

@media (max-width: 980px) {
  html[data-design="1"] .site-nav,
  html[data-design="3"] .site-nav {
    background: rgba(8, 15, 13, 0.98);
    border-color: rgba(255, 255, 255, 0.18);
  }

  html[data-design="2"] .site-header {
    color: #ffffff;
    background: var(--d2-blue);
    border: 0;
  }

  html[data-design="2"] .site-nav {
    background: var(--d2-blue);
    border-color: rgba(255, 255, 255, 0.3);
  }

  html[data-design="2"] .site-nav a {
    color: #ffffff;
  }

  html[data-design="1"] .intro-grid,
  html[data-design="2"] .intro-grid,
  html[data-design="3"] .intro-grid {
    grid-template-columns: 1fr;
  }

  html[data-design="2"] .hero-content {
    width: 68%;
  }

  html[data-design="1"] .research-overview-grid,
  html[data-design="2"] .research-overview-grid {
    grid-template-columns: 1fr;
  }

  html[data-design="3"] .research-card:nth-child(n) {
    grid-column: span 6;
  }

  html[data-design="3"] .research-method-list {
    grid-template-columns: 1fr;
  }

  html[data-design="2"] .research-method-list div {
    grid-template-columns: 132px minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  html[data-design="1"] .hero,
  html[data-design="2"] .hero,
  html[data-design="3"] .hero {
    min-height: 820px;
    padding: 112px 18px 86px;
  }

  html[data-design="1"] h1,
  html[data-design="2"] h1,
  html[data-design="3"] h1 {
    font-size: 3.25rem;
  }

  html[data-design="1"] h2,
  html[data-design="2"] h2,
  html[data-design="3"] h2,
  html[data-design="1"] .intro-grid h2,
  html[data-design="2"] .intro-grid h2,
  html[data-design="3"] .intro-grid h2 {
    font-size: 2.3rem;
  }

  html[data-design="1"] .hero-content,
  html[data-design="2"] .hero-content,
  html[data-design="3"] .hero-content {
    align-self: flex-end;
    width: 100%;
  }

  html[data-design="1"] .hero-content {
    padding-left: 18px;
  }

  html[data-design="1"] .hero::before {
    inset: 36% 0 0;
    clip-path: none;
    background: rgba(8, 11, 12, 0.9);
  }

  html[data-design="1"] .hero-image,
  html[data-design="2"] .hero-image {
    inset: 0;
    width: 100%;
    height: 54%;
    background-position: center 28%;
  }

  html[data-design="2"] .hero-content {
    padding: 28px 0 0;
  }

  html[data-design="2"] .hero::before {
    top: 88px;
    left: 18px;
  }

  html[data-design="3"] .hero::before {
    top: 12%;
    right: 5%;
    width: 90vw;
  }

  html[data-design="3"] .hero-image {
    top: 10%;
    right: 6%;
    width: 88vw;
    height: 46%;
    background-position: center 28%;
  }

  html[data-design="3"] .hero-content {
    padding: 20px;
    background: rgba(10, 23, 19, 0.78);
    border-radius: 8px;
  }

  html[data-design="1"] .signal-strip,
  html[data-design="2"] .signal-strip,
  html[data-design="3"] .signal-strip {
    grid-template-columns: 1fr;
    padding: 0;
  }

  html[data-design="1"] .signal-strip div,
  html[data-design="2"] .signal-strip div,
  html[data-design="3"] .signal-strip div {
    min-height: 112px;
    padding: 24px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 0;
  }

  html[data-design="1"] .section,
  html[data-design="2"] .section,
  html[data-design="3"] .section {
    padding: 76px 18px;
  }

  html[data-design="1"] .research-card,
  html[data-design="2"] .research-card {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  html[data-design="1"] .research-card span {
    width: 44px;
    height: 44px;
  }

  html[data-design="1"] .research-card h3 {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  html[data-design="2"] .research-card span {
    font-size: 2.8rem;
  }

  html[data-design="3"] .research-overview-grid {
    grid-template-columns: 1fr;
  }

  html[data-design="3"] .research-card:nth-child(n) {
    grid-column: 1;
  }

  html[data-design="1"] .project-grid,
  html[data-design="2"] .project-grid,
  html[data-design="3"] .project-grid,
  html[data-design="1"] .people-grid,
  html[data-design="2"] .people-grid,
  html[data-design="3"] .people-grid {
    grid-template-columns: 1fr;
  }

  html[data-design="1"] .project-card,
  html[data-design="2"] .project-card,
  html[data-design="3"] .project-card,
  html[data-design="1"] .person-card,
  html[data-design="2"] .person-card,
  html[data-design="3"] .person-card {
    border-right: 0;
    border-bottom: 1px solid rgba(16, 22, 22, 0.24);
  }

  html[data-design="1"] .research-page-hero,
  html[data-design="2"] .research-page-hero,
  html[data-design="3"] .research-page-hero {
    min-height: 600px;
    padding: 132px 18px 74px;
  }

  html[data-design="1"] .research-page-hero h1,
  html[data-design="2"] .research-page-hero h1,
  html[data-design="3"] .research-page-hero h1 {
    font-size: 3rem;
  }

  html[data-design="2"] .research-method-list div {
    grid-template-columns: 1fr;
    gap: 7px;
  }
}