html {
  --tel-font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --tel-font-display: "Space Grotesk", "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --tel-font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --tel-type-xs: 0.78rem;
  --tel-type-sm: 0.88rem;
  --tel-type-base: 1rem;
  --tel-type-lg: 1.08rem;
  --tel-type-xl: 1.22rem;
  --tel-type-2xl: 1.45rem;
  --tel-type-3xl: 1.9rem;
  --tel-type-4xl: 2.75rem;
  --tel-type-5xl: 3.1rem;
  --tel-type-hero: 5.6rem;
  --tel-ink: #11191d;
  --tel-muted: #53636b;
  --tel-paper: #f6f8f7;
  --tel-card: rgba(255, 255, 255, 0.94);
  --tel-line: rgba(17, 25, 29, 0.12);
  --tel-blue: #005f73;
  --tel-teal: #0a9396;
  --tel-gold: #ee9b00;
  --tel-orange: #ca6702;
  --tel-red: #ae2012;
  --tel-shadow: 0 18px 46px rgba(17, 46, 54, 0.12);
  --pst-font-family-base: var(--tel-font-sans);
  --pst-font-family-heading: var(--tel-font-display);
  --pst-font-family-monospace: var(--tel-font-mono);
  --pst-color-primary: var(--tel-blue);
  --pst-color-secondary: var(--tel-orange);
  --pst-color-link: var(--tel-blue);
  --pst-color-link-hover: var(--tel-orange);
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html[data-theme="dark"] {
  --tel-ink: #eef8f7;
  --tel-muted: #b9c9cb;
  --tel-paper: #081719;
  --tel-card: rgba(11, 30, 34, 0.82);
  --tel-line: rgba(238, 248, 247, 0.13);
  --tel-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --pst-color-primary: #94d2bd;
  --pst-color-secondary: #ee9b00;
}

body {
  color: var(--tel-ink);
  font-family: var(--tel-font-sans);
  font-size: var(--tel-type-base);
  font-weight: 400;
  font-optical-sizing: auto;
  line-height: 1.62;
  overflow-x: hidden;
  background: linear-gradient(180deg, var(--tel-paper), color-mix(in srgb, var(--tel-paper), #005f73 6%));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

a,
button,
[role="button"] {
  cursor: pointer;
}

button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
}

#pst-primary-sidebar,
#pst-secondary-sidebar {
  display: none;
}

.bd-main .bd-content .bd-article-container {
  max-width: 1180px;
  padding: 0 1.25rem 4rem;
}

.bd-main .bd-content .bd-article-container .bd-article {
  padding-top: 0;
}

.bd-page-width {
  max-width: 1240px;
}

.navbar-header-items__start .navbar-brand {
  font-family: var(--tel-font-display);
  font-weight: 700;
  letter-spacing: 0;
}

.bd-header .navbar-brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
}

.bd-header {
  border-bottom: 1px solid var(--tel-line);
  background: color-mix(in srgb, var(--tel-paper), transparent 4%);
  backdrop-filter: blur(16px);
}

.bd-header .navbar-nav li a.nav-link {
  font-size: var(--tel-type-sm);
  font-weight: 600;
}

@media (max-width: 959.98px) {
  #pst-primary-sidebar,
  #pst-primary-sidebar-modal {
    padding-top: max(3.75rem, calc(env(safe-area-inset-top) + 3rem));
  }

  #pst-primary-sidebar .sidebar-header-items,
  #pst-primary-sidebar-modal .sidebar-header-items {
    justify-content: center;
    min-height: min(58vh, 28rem);
  }

  #pst-primary-sidebar .sidebar-header-items__center .bd-navbar-elements,
  #pst-primary-sidebar-modal .sidebar-header-items__center .bd-navbar-elements {
    gap: 0.25rem;
  }

  #pst-primary-sidebar .sidebar-header-items__center .nav-link,
  #pst-primary-sidebar-modal .sidebar-header-items__center .nav-link {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
  }
}

.bd-article-container h1,
.bd-article-container h2,
.bd-article-container h3 {
  color: var(--tel-ink);
  font-family: var(--tel-font-display);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.12;
}

.bd-article-container h1 {
  margin: 1.15rem 0 1rem;
  font-size: var(--tel-type-5xl);
  letter-spacing: 0;
}

.bd-article-container h2 {
  font-size: var(--tel-type-3xl);
}

.bd-article-container h3 {
  font-size: var(--tel-type-xl);
  font-weight: 600;
  letter-spacing: 0;
}

.bd-article-container p,
.bd-article-container li {
  line-height: 1.62;
}

.bd-article-container strong,
.bd-article-container b {
  font-weight: 700;
}

.page-title {
  margin: 3rem 0 1rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-5xl);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
}

.page-lede {
  max-width: 780px;
  color: var(--tel-muted);
  font-size: var(--tel-type-lg);
  font-weight: 400;
  line-height: 1.66;
}

.research-lede {
  max-width: none;
}

.keyword-cloud {
  display: grid;
  place-items: center;
  margin: 2rem 0 3.2rem;
}

.keyword-cloud__orb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  justify-content: center;
  gap: 0.58rem 0.92rem;
  width: min(100%, 34rem);
  aspect-ratio: 1;
  padding: 11%;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--tel-teal), transparent 58%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, color-mix(in srgb, var(--tel-gold), transparent 68%), transparent 28%),
    radial-gradient(circle at 68% 32%, color-mix(in srgb, var(--tel-teal), transparent 72%), transparent 30%),
    radial-gradient(circle at 50% 74%, color-mix(in srgb, var(--tel-red), transparent 82%), transparent 31%),
    color-mix(in srgb, var(--tel-card), transparent 10%);
  box-shadow: 0 20px 58px rgba(17, 46, 54, 0.12);
}

.keyword-cloud__orb::before,
.keyword-cloud__orb::after {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid color-mix(in srgb, var(--tel-line), transparent 12%);
  border-radius: 50%;
  pointer-events: none;
}

.keyword-cloud__orb::after {
  inset: 22%;
  border-style: dashed;
  opacity: 0.78;
}

.keyword-cloud__word {
  position: relative;
  z-index: 2;
  display: inline-block;
  color: var(--word-color);
  font-family: var(--tel-font-display);
  font-size: var(--size);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.05;
  text-shadow: 0 1px 0 color-mix(in srgb, var(--tel-paper), transparent 16%);
  white-space: nowrap;
  transition: transform 180ms ease, filter 180ms ease;
}

.keyword-cloud__word:hover {
  filter: saturate(1.2);
  transform: translateY(-2px) scale(1.06);
}

.keyword-cloud__word--tone-0 {
  --word-color: var(--tel-blue);
}

.keyword-cloud__word--tone-1 {
  --word-color: var(--tel-orange);
}

.keyword-cloud__word--tone-2 {
  --word-color: var(--tel-teal);
}

.keyword-cloud__word--tone-3 {
  --word-color: var(--tel-red);
}

.keyword-cloud__word--tone-4 {
  --word-color: #2f6f4e;
}

.keyword-cloud__word--tone-5 {
  --word-color: #6d4c9f;
}

.keyword-cloud__word--tone-6 {
  --word-color: #386fa4;
}

.keyword-cloud__word--tone-7 {
  --word-color: #8f5b00;
}

html[data-theme="dark"] .keyword-cloud__word {
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.32);
}

html[data-theme="dark"] .keyword-cloud__word--tone-4 {
  --word-color: #9bd67d;
}

html[data-theme="dark"] .keyword-cloud__word--tone-5 {
  --word-color: #c9b6ff;
}

html[data-theme="dark"] .keyword-cloud__word--tone-6 {
  --word-color: #9fd3ff;
}

html[data-theme="dark"] .keyword-cloud__word--tone-7 {
  --word-color: #ffc46b;
}

.tel-home-document > h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.tel-home-document > h1 .headerlink,
.tel-home-document > .toctree-wrapper {
  display: none;
}

.bd-main .bd-content .bd-article-container:has(.field-hero) {
  overflow-x: visible;
  padding-bottom: 0;
}

html.tel-field-hero-page .bd-main .bd-content .bd-article-container {
  overflow-x: visible;
  padding-bottom: 0;
}

.bd-main .bd-content .bd-article-container .bd-article:has(.field-hero) {
  padding-top: 0;
  padding-left: 0;
}

html.tel-field-hero-page .bd-main .bd-content .bd-article-container .bd-article {
  padding-top: 0;
  padding-left: 0;
}

.bd-article-container:has(.field-hero) .prev-next-footer,
html.tel-field-hero-page .prev-next-footer,
html.tel-field-hero-page .bd-footer-content,
html.tel-field-hero-page .bd-footer {
  display: none;
}

.tel-hero {
  position: relative;
  min-height: 620px;
  margin: 2rem 0 3rem;
  padding: clamp(2rem, 5vw, 4.5rem);
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(0, 95, 115, 0.88), rgba(10, 147, 150, 0.68)),
    url("../images/light-matter-field.png") center / cover;
  box-shadow: var(--tel-shadow);
  color: #fffaf1;
  isolation: isolate;
}

.tel-hero::before {
  content: "";
  position: absolute;
  inset: -30%;
  z-index: -1;
  background:
    radial-gradient(circle at 16% 30%, rgba(238, 155, 0, 0.62), transparent 16rem),
    radial-gradient(circle at 78% 18%, rgba(174, 32, 18, 0.42), transparent 18rem),
    linear-gradient(110deg, rgba(0, 18, 25, 0.82), transparent 64%);
  animation: tel-drift 16s ease-in-out infinite alternate;
}

.tel-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 250, 241, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 250, 241, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, black, transparent 78%);
}

.field-hero {
  width: 100vw;
  width: 100dvw;
  height: calc(100svh - var(--pst-header-height, 4rem));
  height: calc(100dvh - var(--pst-header-height, 4rem));
  min-height: 640px;
  max-height: none;
  margin: 0 0 0 50%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #010104;
  box-shadow: none;
  cursor: default;
  transform: translateX(-50%);
}

.field-hero::before,
.field-hero::after {
  display: none;
}

.field-hero__image,
.field-hero__canvas,
.field-hero__vignette {
  position: absolute;
  inset: 0;
}

.field-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.08);
  transform: scale(1.015);
}

.field-hero__canvas {
  width: 100%;
  height: 100%;
  mix-blend-mode: screen;
  pointer-events: none;
}

.field-hero__vignette {
  background:
    linear-gradient(90deg, rgba(0, 18, 25, 0.86), rgba(0, 18, 25, 0.48) 42%, rgba(0, 18, 25, 0.12) 72%),
    radial-gradient(circle at 56% 54%, transparent 34%, rgba(0, 18, 25, 0.18) 70%, rgba(0, 18, 25, 0.58) 100%);
  pointer-events: none;
}

.field-hero__content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(100%, 1180px);
  max-width: 100%;
  height: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5.5rem) 1.25rem;
  color: #fffaf1;
  white-space: normal;
}

.field-hero__content h1 {
  max-width: min(920px, calc(100vw - 2.5rem));
  margin: 0;
  color: #fffaf1;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-hero);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  overflow-wrap: normal;
}

.field-hero__content p:not(.hero-kicker) {
  max-width: min(680px, calc(100vw - 2.5rem));
  margin: 1.15rem 0 0;
  color: rgba(255, 250, 241, 0.9);
  font-size: var(--tel-type-lg);
  font-weight: 400;
  line-height: 1.58;
  white-space: normal;
  overflow-wrap: break-word;
}

.hero-kicker {
  width: fit-content;
  max-width: min(100%, calc(100vw - 2.5rem));
  min-width: 0;
  margin: 0.78rem 0 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 250, 241, 0.88);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-lg);
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}

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

.home-page-bottom-anchor {
  height: 1px;
  scroll-margin-top: calc(var(--pst-header-height, 4rem) + 1rem);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.72fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.3rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(255, 250, 241, 0.25);
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.12);
  color: #ffefc8;
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-title {
  max-width: 800px;
  margin: 0;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-hero);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 670px;
  margin: 1.4rem 0 0;
  color: rgba(255, 250, 241, 0.88);
  font-size: var(--tel-type-lg);
  font-weight: 400;
  line-height: 1.58;
}

.original-hero .kicker {
  margin-top: 1.6rem;
}

.hero-copy {
  max-width: 760px;
  margin: 1.1rem 0 0;
  color: rgba(255, 250, 241, 0.88);
  font-size: var(--tel-type-base);
  line-height: 1.62;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.field-hero__content .hero-actions {
  max-width: min(680px, calc(100vw - 2.5rem));
}

.tel-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1.1rem;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-ink);
  box-shadow: 0 12px 28px rgba(0, 18, 25, 0.14);
  color: var(--tel-paper) !important;
  font-size: var(--tel-type-sm);
  font-weight: 600;
  line-height: 1.15;
  text-decoration: none !important;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.tel-button.secondary {
  background: transparent;
  color: var(--tel-ink) !important;
}

.field-hero__content .tel-button.hero-primary {
  border-color: color-mix(in srgb, var(--tel-gold), #fffaf1 24%);
  background: var(--tel-gold);
  box-shadow: 0 16px 34px rgba(238, 155, 0, 0.32);
  color: #081719 !important;
}

.field-hero__content .tel-button.secondary {
  border-color: rgba(255, 250, 241, 0.28);
  background: rgba(255, 255, 255, 0.14);
  color: #fffaf1 !important;
}

.field-hero__content .tel-button.hero-primary:hover {
  background: color-mix(in srgb, var(--tel-gold), #fffaf1 16%);
  box-shadow: 0 20px 42px rgba(238, 155, 0, 0.42);
}

.tel-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 18, 25, 0.22);
}

.tel-button:focus-visible,
.pub-chip:focus-visible,
.metric-link:focus-visible,
.home-cta__list a:focus-visible,
.spotlight-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--tel-gold), transparent 20%);
  outline-offset: 3px;
}

.page-return {
  margin: 1.25rem 0 1.8rem;
  font-weight: 600;
}

.page-return a {
  color: var(--tel-blue);
  text-decoration-color: color-mix(in srgb, var(--tel-blue), transparent 55%);
  text-underline-offset: 0.18em;
}

.polariton-hero {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  align-items: center;
  margin: 2rem 0 2.6rem;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--tel-teal), transparent 88%), transparent 44%),
    color-mix(in srgb, var(--tel-card), transparent 5%);
  box-shadow: 0 18px 52px rgba(17, 46, 54, 0.1);
}

.polariton-hero img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.polariton-hero > div {
  padding: clamp(1.25rem, 3vw, 2.2rem);
}

.polariton-hero p:last-child {
  margin: 0;
  color: var(--tel-muted);
  font-size: var(--tel-type-lg);
  font-weight: 400;
  line-height: 1.66;
}

.polariton-method-list {
  display: grid;
  gap: 1.3rem;
  margin: 2.4rem 0 3rem;
}

.polariton-method {
  --method-accent: var(--tel-teal);
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-card);
  box-shadow: 0 18px 48px rgba(17, 46, 54, 0.09);
  backdrop-filter: blur(16px);
}

.polariton-method:nth-child(2) {
  --method-accent: var(--tel-gold);
}

.polariton-method:nth-child(3) {
  --method-accent: var(--tel-orange);
}

.polariton-method__figure {
  position: relative;
  margin: clamp(1rem, 2.4vw, 1.45rem) 0 clamp(1rem, 2.4vw, 1.45rem) clamp(1rem, 2.4vw, 1.45rem);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--method-accent), transparent 88%);
}

.polariton-method__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 58%, color-mix(in srgb, var(--method-accent), transparent 72%));
  pointer-events: none;
}

.polariton-method__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  background: color-mix(in srgb, var(--tel-paper), transparent 8%);
}

.polariton-method__body {
  padding: clamp(1.35rem, 3vw, 2.35rem);
}

.polariton-method__number {
  display: inline-flex;
  margin: 0 0 0.8rem;
  padding: 0.32rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--method-accent), transparent 45%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--method-accent), transparent 84%);
  color: color-mix(in srgb, var(--method-accent), var(--tel-ink) 35%);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.polariton-method h2 {
  margin: 0 0 0.8rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-3xl);
  font-weight: 700;
  line-height: 1.14;
}

.polariton-method p {
  color: var(--tel-muted);
  line-height: 1.68;
}

.representative-work {
  margin-top: 1.3rem;
  padding: 1rem;
  border-left: 4px solid var(--method-accent);
  border-radius: 0 8px 8px 0;
  background: color-mix(in srgb, var(--tel-card), transparent 8%);
}

.representative-work h3 {
  margin: 0 0 0.65rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-base);
  font-weight: 700;
}

.representative-work p {
  margin: 0.55rem 0 0;
  font-size: var(--tel-type-sm);
}

.portrait-card {
  position: relative;
  align-self: stretch;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid rgba(255, 250, 241, 0.24);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.1);
  box-shadow: 0 22px 70px rgba(0, 18, 25, 0.32);
}

.portrait-card img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}

.portrait-caption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  padding: 1rem;
  border: 1px solid rgba(255, 250, 241, 0.24);
  border-radius: 8px;
  background: rgba(0, 18, 25, 0.54);
  backdrop-filter: blur(12px);
}

.section-band {
  margin: 3rem 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.research-section {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.research-section > h2 {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0 0 1rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-4xl);
  font-weight: 700;
  line-height: 1.12;
}

.research-section > h2::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--tel-line), transparent);
}

.feature-grid,
.research-grid,
.people-grid,
.software-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.6rem 0 2.4rem;
}

.section-band[id],
.software-card[id] {
  scroll-margin-top: calc(var(--pst-header-height, 4rem) + 1rem);
}

.people-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.research-list,
.people-list {
  display: grid;
  gap: 1rem;
}

.people-list {
  grid-template-columns: 1fr;
  align-items: start;
}

.research-list {
  gap: 1.25rem;
  margin-top: 1.35rem;
}

.feature-card,
.research-card,
.person-card,
.software-card,
.pub-card,
.cv-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-card);
  box-shadow: 0 12px 34px rgba(17, 46, 54, 0.08);
  backdrop-filter: blur(10px);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.research-list .research-card {
  --research-accent: var(--tel-teal);
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  min-height: 300px;
  isolation: isolate;
}

.research-list .research-card:nth-child(2) {
  --research-accent: var(--tel-gold);
}

.research-list .research-card:nth-child(3) {
  --research-accent: var(--tel-orange);
}

.research-list .research-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 2;
  width: 5px;
  background: var(--research-accent);
}

.feature-card:hover,
.research-card:hover,
.person-card:hover,
.software-card:hover,
.pub-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--tel-teal), transparent 40%);
  box-shadow: var(--tel-shadow);
}

.software-card:target {
  border-color: color-mix(in srgb, var(--tel-gold), transparent 12%);
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--tel-gold), transparent 72%),
    var(--tel-shadow);
}

.section-band:target > h2 {
  color: var(--tel-blue);
}

.feature-card img,
.research-card img,
.software-card img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.research-list .research-card > img {
  display: block;
  height: 100%;
  min-height: 300px;
  padding: clamp(0.65rem, 1.5vw, 1rem);
  border-right: 1px solid var(--tel-line);
  background: color-mix(in srgb, var(--tel-paper), var(--research-accent) 5%);
  object-fit: contain;
  filter: saturate(1.04) contrast(1.02);
}

.feature-card > div,
.research-card > div,
.software-card > div,
.person-card,
.cv-card {
  padding: 1.25rem;
}

.research-list .research-card > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.35rem, 3vw, 2.3rem);
}

.feature-card h2,
.research-card h2,
.software-card h2,
.person-card h2,
.cv-card h2 {
  margin: 0 0 0.55rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-2xl);
  font-weight: 700;
  line-height: 1.18;
}

.research-list .research-card h2 {
  max-width: 720px;
  margin-bottom: 0.75rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-3xl);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.research-list .research-card h2 a {
  color: var(--tel-ink);
  text-decoration-color: color-mix(in srgb, var(--research-accent), transparent 45%);
  text-underline-offset: 0.16em;
}

.research-list .research-card h2 a:hover {
  color: var(--tel-orange);
}

.feature-card p,
.research-card p,
.software-card p,
.person-card p,
.cv-card p,
.pub-card p {
  color: var(--tel-muted);
  line-height: 1.66;
}

.research-list .research-card p {
  max-width: 760px;
  margin-bottom: 0;
  font-size: var(--tel-type-base);
  line-height: 1.62;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.metric {
  position: relative;
  padding: 1.1rem;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.22));
}

.metric-link {
  display: block;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.metric-link:visited {
  color: inherit;
}

.metric-link::after {
  content: "";
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 0.46rem;
  height: 0.46rem;
  border-right: 2px solid color-mix(in srgb, var(--tel-teal), transparent 24%);
  border-bottom: 2px solid color-mix(in srgb, var(--tel-teal), transparent 24%);
  opacity: 0.7;
  transform: rotate(45deg);
  transition: transform 180ms ease, opacity 180ms ease, border-color 180ms ease;
}

.metric-link:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--tel-teal), transparent 38%);
  box-shadow: 0 14px 34px rgba(17, 46, 54, 0.12);
}

.metric-link:hover::after,
.metric-link:focus-visible::after {
  border-color: var(--tel-orange);
  opacity: 1;
  transform: translateY(3px) rotate(45deg);
}

.metric-link:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: 0 8px 20px rgba(17, 46, 54, 0.1);
}

html[data-theme="dark"] .metric {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.metric strong {
  display: block;
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-3xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 0.35rem;
  color: var(--tel-muted);
  font-size: var(--tel-type-sm);
  font-weight: 500;
  line-height: 1.35;
}

.home-metrics {
  margin: 0.4rem 0 2.6rem;
}

.home-metrics .metric-strip {
  margin: 0;
}

.home-spotlight {
  margin: 0 0 3rem;
}

.spotlight-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.spotlight-kicker {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--tel-blue), transparent 55%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--tel-blue), transparent 88%);
  color: color-mix(in srgb, var(--tel-blue), var(--tel-ink) 15%);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

html[data-theme="dark"] .spotlight-kicker {
  color: #a9e2df;
}

.spotlight-link {
  font-size: var(--tel-type-sm);
  font-weight: 600;
  color: var(--tel-blue);
  text-decoration-color: color-mix(in srgb, var(--tel-blue), transparent 60%);
  text-underline-offset: 0.18em;
}

.spotlight-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1.2fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 14px;
  background: var(--tel-card);
  box-shadow: 0 16px 42px rgba(17, 46, 54, 0.1);
  backdrop-filter: blur(14px);
}

.spotlight-figure {
  position: relative;
  min-height: 260px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: color-mix(in srgb, var(--tel-blue), transparent 92%);
}

.spotlight-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: color-mix(in srgb, var(--tel-paper), transparent 4%);
}

.spotlight-figure.is-missing {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 35%, color-mix(in srgb, var(--tel-gold), transparent 60%), transparent 40%),
    linear-gradient(135deg, var(--tel-blue), var(--tel-teal));
}

.spotlight-figure.is-missing::after {
  content: "Latest paper";
  color: rgba(255, 250, 241, 0.85);
  font-family: var(--tel-font-mono);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.spotlight-body {
  padding: clamp(1.3rem, 3vw, 2.1rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
}

.spotlight-meta {
  margin: 0;
  color: var(--tel-muted);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.spotlight-body h2 {
  margin: 0;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-3xl);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.spotlight-body h2 a {
  color: var(--tel-ink);
  text-decoration-color: color-mix(in srgb, var(--tel-blue), transparent 50%);
  text-underline-offset: 0.16em;
}

.spotlight-body h2 a:hover {
  color: var(--tel-blue);
}

.spotlight-body p {
  margin: 0;
  color: var(--tel-muted);
  line-height: 1.62;
}

.spotlight-byline {
  font-size: var(--tel-type-sm);
  font-style: italic;
}

.home-twocol {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.9fr);
  gap: 1.2rem;
  margin: 0 0 3rem;
}

.home-news,
.home-cta {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid var(--tel-line);
  border-radius: 14px;
  background: var(--tel-card);
  box-shadow: 0 14px 34px rgba(17, 46, 54, 0.08);
  backdrop-filter: blur(14px);
}

.home-news header h2,
.home-cta header h2 {
  margin: 0 0 1rem;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-2xl);
  font-weight: 700;
  letter-spacing: 0;
}

.news-list {
  display: grid;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.news-list li {
  display: grid;
  grid-template-columns: 6.2rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--tel-line);
}

.news-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.news-list time {
  color: var(--tel-blue);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-sm);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
  padding-top: 0.15rem;
}

html[data-theme="dark"] .news-list time {
  color: #8fd3cf;
}

.news-list p {
  margin: 0;
  color: var(--tel-ink);
  font-size: var(--tel-type-base);
  line-height: 1.55;
}

.home-cta__list {
  display: grid;
  gap: 0.55rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.home-cta__list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.6rem 1rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--tel-line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--tel-paper), transparent 30%);
  color: var(--tel-ink);
  text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease, background 150ms ease;
}

.home-cta__list a:hover {
  border-color: color-mix(in srgb, var(--tel-blue), transparent 50%);
  background: color-mix(in srgb, var(--tel-blue), transparent 92%);
  transform: translateY(-2px);
}

.home-cta__list span {
  font-weight: 600;
}

.home-cta__list em {
  color: var(--tel-muted);
  font-size: var(--tel-type-sm);
  font-style: normal;
  text-align: right;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .spotlight-card,
  .home-twocol {
    grid-template-columns: 1fr;
  }

  .spotlight-figure {
    min-height: 220px;
  }

  .home-cta__list a {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .home-cta__list em {
    text-align: left;
  }
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.tag,
.pub-badge {
  --pub-badge-color: var(--tel-blue);
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.58rem;
  border: 1px solid color-mix(in srgb, var(--pub-badge-color), transparent 58%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--pub-badge-color), transparent 88%);
  color: color-mix(in srgb, var(--pub-badge-color), var(--tel-ink) 14%);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  line-height: 1.15;
  text-decoration: none;
}

.pub-badge {
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease;
}

.pub-badge:hover {
  border-color: color-mix(in srgb, var(--pub-badge-color), transparent 34%);
  background: color-mix(in srgb, var(--pub-badge-color), transparent 78%);
  color: color-mix(in srgb, var(--pub-badge-color), var(--tel-ink) 6%);
  text-decoration: none;
}

.pub-badge:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--pub-badge-color), transparent 70%);
  outline-offset: 2px;
}

.pub-badge--code {
  --pub-badge-color: #0875d1;
}

.pub-badge--data {
  --pub-badge-color: #0f8a5f;
}

.pub-badge--site {
  --pub-badge-color: #7c3aed;
}

.pub-badge--news {
  --pub-badge-color: #c05621;
}

.pub-badge--si,
.pub-badge--report {
  --pub-badge-color: #64748b;
}

.pub-badge--cover {
  --pub-badge-color: #c2410c;
}

html[data-theme="dark"] .tag {
  color: #b8ddf0;
}

html[data-theme="dark"] .pub-badge {
  border-color: color-mix(in srgb, var(--pub-badge-color), transparent 44%);
  background: color-mix(in srgb, var(--pub-badge-color), transparent 82%);
  color: color-mix(in srgb, var(--pub-badge-color), #fff 58%);
}

html[data-theme="dark"] .pub-badge:hover {
  border-color: color-mix(in srgb, var(--pub-badge-color), transparent 20%);
  background: color-mix(in srgb, var(--pub-badge-color), transparent 72%);
  color: color-mix(in srgb, var(--pub-badge-color), #fff 72%);
}

.pub-filter {
  position: sticky;
  top: calc(var(--pst-header-height, 4rem) + 0.25rem);
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 0.85rem 1.1rem;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 1.6rem 0 1.4rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--tel-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--tel-card), transparent 4%);
  box-shadow: 0 10px 28px rgba(17, 46, 54, 0.08);
  backdrop-filter: blur(18px);
}

.pub-filter__search {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}

.pub-filter__search-icon {
  position: absolute;
  left: 0.75rem;
  width: 1rem;
  height: 1rem;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  color: var(--tel-muted);
  pointer-events: none;
}

.pub-filter__search-icon::after {
  content: "";
  position: absolute;
  top: 70%;
  left: 70%;
  width: 0.5rem;
  height: 1.5px;
  background: currentColor;
  transform: rotate(45deg);
  transform-origin: 0 0;
}

.pub-filter__search input {
  width: 100%;
  padding: 0.58rem 0.85rem 0.58rem 2.2rem;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--tel-paper), transparent 20%);
  color: var(--tel-ink);
  font-size: var(--tel-type-sm);
  font-weight: 400;
  line-height: 1.3;
  appearance: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.pub-filter__search input:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--tel-blue), transparent 30%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--tel-blue), transparent 78%);
}

.pub-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pub-chip {
  padding: 0.4rem 0.78rem;
  border: 1px solid var(--tel-line);
  border-radius: 999px;
  background: transparent;
  color: var(--tel-muted);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.pub-chip:hover {
  color: var(--tel-ink);
  border-color: color-mix(in srgb, var(--tel-blue), transparent 55%);
}

.pub-chip.is-active {
  border-color: var(--tel-blue);
  background: var(--tel-blue);
  color: #fffaf1;
}

html[data-theme="dark"] .pub-chip.is-active {
  background: color-mix(in srgb, var(--tel-blue), #9ad3d0 60%);
  color: #02131a;
}

.pub-filter__status {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0 0.2rem;
  color: var(--tel-muted);
  font-size: var(--tel-type-xs);
  font-weight: 500;
  min-height: 1em;
}

.pub-filter__status:empty {
  display: none;
}

.pub-card.is-hidden {
  display: none;
}

.pub-section.is-empty {
  display: none;
}

.pub-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.4rem 0 2rem;
}

.pub-list .pub-card:nth-of-type(odd) {
  --pub-card-bg: rgba(255, 255, 255, 0.98);
}

.pub-list .pub-card:nth-of-type(even) {
  --pub-card-bg: color-mix(in srgb, #f1f5f7, #fff 24%);
}

.pub-list .pub-card.is-visible-odd {
  --pub-card-bg: rgba(255, 255, 255, 0.98);
}

.pub-list .pub-card.is-visible-even {
  --pub-card-bg: color-mix(in srgb, #f1f5f7, #fff 24%);
}

html[data-theme="dark"] .pub-list .pub-card:nth-of-type(odd),
html[data-theme="dark"] .pub-list .pub-card.is-visible-odd {
  --pub-card-bg: color-mix(in srgb, var(--tel-card), #fff 4%);
}

html[data-theme="dark"] .pub-list .pub-card:nth-of-type(even),
html[data-theme="dark"] .pub-list .pub-card.is-visible-even {
  --pub-card-bg: color-mix(in srgb, var(--tel-card), #fff 9%);
}

.pub-card {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.85rem;
  background: var(--pub-card-bg, var(--tel-card));
}

.pub-card > div:last-child {
  min-width: 0;
}

.pub-card.has-figure {
  grid-template-columns: minmax(128px, 170px) 3.1rem minmax(0, 1fr);
  align-items: center;
}

.pub-figure {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 108px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--tel-blue), transparent 92%);
}

.pub-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-height: 108px;
  object-fit: contain;
  background: color-mix(in srgb, var(--tel-paper), transparent 4%);
}

.pub-figure.is-missing::after {
  content: "Figure image";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  color: var(--tel-muted);
  font-weight: 700;
}

.pub-number {
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 8px;
  background: color-mix(in srgb, var(--tel-blue), var(--tel-ink) 18%);
  color: #fff;
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.pub-title {
  margin: 0.05rem 0 0.25rem;
  color: var(--tel-ink);
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-base);
  font-weight: 600;
  line-height: 1.38;
  overflow-wrap: anywhere;
}

.pub-meta {
  margin: 0;
  font-size: var(--tel-type-sm);
  font-weight: 400;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.pub-author-focus {
  color: color-mix(in srgb, var(--tel-blue), var(--tel-ink) 18%);
  font-weight: 800;
}

html[data-theme="dark"] .pub-author-focus {
  color: color-mix(in srgb, #94d2bd, #fff 28%);
}

.pub-note {
  margin: 0.35rem 0 0;
  font-size: var(--tel-type-sm);
  font-style: italic;
  line-height: 1.5;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.person-card {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 1.15rem;
  align-items: start;
}

.person-photo,
.person-initial,
.photo-wrap {
  width: 136px;
  height: 136px;
  border-radius: 8px;
  object-fit: cover;
}

.person-initial,
.photo-wrap.is-missing {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(238, 155, 0, 0.6), transparent 3rem),
    linear-gradient(135deg, var(--tel-blue), var(--tel-teal));
  color: #fff;
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-4xl);
  font-weight: 700;
  letter-spacing: 0;
}

.photo-wrap {
  position: relative;
  overflow: hidden;
}

.photo-wrap img {
  display: block;
}

.photo-wrap::after {
  content: attr(data-fallback);
  display: none;
}

.photo-wrap.is-missing::after {
  display: block;
}

.role {
  margin: 0 0 0.55rem;
  color: var(--tel-orange);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-sm);
  font-weight: 600;
  letter-spacing: 0;
}

.person-card p {
  margin-top: 0.45rem;
  font-size: var(--tel-type-sm);
  line-height: 1.58;
}

.people-afterword {
  position: relative;
  width: min(100%, 920px);
  margin: 3.6rem auto 1.4rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  overflow: visible;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--tel-teal), transparent 90%), transparent 45%),
    color-mix(in srgb, var(--tel-card), transparent 3%);
  box-shadow: 0 16px 42px rgba(17, 46, 54, 0.1);
}

.people-afterword::before {
  content: "";
  position: absolute;
  top: -1.8rem;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tel-teal), var(--tel-gold), transparent);
}

.people-afterword::after {
  content: "join.tel-group";
  position: absolute;
  top: -2.55rem;
  left: 50%;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--tel-line);
  border-radius: 999px;
  background: var(--tel-paper);
  color: var(--tel-muted);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
  transform: translateX(-50%);
}

.join-callout p {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
}

.join-callout p:first-child {
  margin-top: 0;
  color: var(--tel-ink);
  font-family: var(--tel-font-display);
  font-size: var(--tel-type-2xl);
  line-height: 1.2;
}

.join-callout p:nth-child(3) a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1.1rem;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-ink);
  box-shadow: 0 12px 28px rgba(0, 18, 25, 0.14);
  color: var(--tel-paper) !important;
  font-size: var(--tel-type-sm);
  font-weight: 600;
  line-height: 1.15;
  text-decoration: none !important;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.join-callout p:nth-child(3) a:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 18, 25, 0.22);
}

.people-alumni {
  width: min(100%, 720px);
  margin: 1.25rem auto 3rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid color-mix(in srgb, var(--tel-line), transparent 28%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--tel-card), transparent 14%);
}

.people-alumni p {
  margin: 0.35rem 0;
  font-size: var(--tel-type-sm);
}

.people-alumni p:first-child {
  color: var(--tel-muted);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 600;
  letter-spacing: 0;
}

.soft-visual {
  display: grid;
  place-items: center;
  min-height: 220px;
  background:
    radial-gradient(circle at 25% 35%, rgba(238, 155, 0, 0.7), transparent 4.5rem),
    radial-gradient(circle at 78% 30%, rgba(10, 147, 150, 0.72), transparent 5rem),
    linear-gradient(135deg, #001219, #005f73);
  color: #fff;
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-5xl);
  font-weight: 700;
  letter-spacing: 0;
}

.cv-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  align-items: stretch;
  gap: clamp(1rem, 2.4vw, 1.45rem);
  margin: 2rem 0;
}

.cv-overview > .cv-card {
  min-height: 100%;
}

.cv-card > * {
  min-width: 0;
}

.cv-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
}

.cv-profile__photo {
  width: min(100%, 286px);
  margin: 0 auto 1.15rem;
}

.cv-profile__photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1.03;
  object-fit: cover;
  object-position: 50% 18%;
  border-radius: 8px;
  box-shadow: 0 16px 48px rgba(17, 46, 54, 0.18);
}

.cv-profile__body {
  width: 100%;
}

.cv-profile h2 {
  margin-bottom: 0.25rem;
}

.cv-kicker,
.cv-item-date {
  margin: 0 0 0.35rem;
  color: var(--tel-blue);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.cv-contact {
  margin: 1rem 0 0;
  color: var(--tel-muted);
  font-style: normal;
  line-height: 1.56;
}

.cv-email {
  margin: 0.8rem 0 0;
  color: var(--tel-ink) !important;
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-sm);
  font-weight: 600;
}

.cv-link-row {
  justify-content: center;
  margin-top: 1.25rem;
}

.cv-button {
  gap: 0.5rem;
}

.cv-link-icon {
  flex: 0 0 auto;
  width: 1.12rem;
  height: 1.12rem;
  border-radius: 4px;
}

.cv-bio {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: center;
}

.cv-bio p:last-child {
  margin-bottom: 0;
}

.cv-bio p {
  max-width: 100%;
  overflow-wrap: break-word;
}

.cv-signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--tel-line);
}

.cv-signal-strip span {
  --signal-color: var(--tel-blue);
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.34rem 0.52rem;
  border: 1px solid color-mix(in srgb, var(--signal-color), transparent 55%);
  border-radius: 6px;
  background: color-mix(in srgb, var(--signal-color), transparent 90%);
  color: color-mix(in srgb, var(--signal-color), var(--tel-ink) 18%);
  font-family: var(--tel-font-mono);
  font-size: var(--tel-type-xs);
  font-weight: 700;
  line-height: 1.1;
}

.cv-signal-strip span:nth-child(2) {
  --signal-color: var(--tel-teal);
}

.cv-signal-strip span:nth-child(3) {
  --signal-color: var(--tel-orange);
}

.cv-signal-strip span:nth-child(4) {
  --signal-color: var(--tel-red);
}

.cv-section {
  margin-top: 2.8rem;
}

.cv-section > h2 {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
  font-size: var(--tel-type-3xl);
}

.cv-section > h2::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--tel-line), transparent);
}

.timeline {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0;
}

.timeline-item {
  padding: 1rem;
  border-left: 4px solid var(--tel-gold);
  border-radius: 0 8px 8px 0;
  background: color-mix(in srgb, var(--tel-card), transparent 4%);
}

.cv-timeline {
  gap: 0.9rem;
}

.cv-timeline .timeline-item {
  --cv-accent: var(--tel-gold);
  --cv-accent-2: var(--cv-accent);
  position: relative;
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--cv-accent), transparent 78%);
  border-left: 3px solid color-mix(in srgb, var(--cv-accent), transparent 35%);
  border-radius: 8px;
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--cv-accent), transparent 93%), color-mix(in srgb, var(--cv-accent-2), transparent 97%) 48%, transparent 78%),
    color-mix(in srgb, var(--tel-card), transparent 8%);
  box-shadow: 0 10px 28px rgba(17, 46, 54, 0.06);
  isolation: isolate;
}

.cv-timeline .timeline-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  z-index: -1;
  width: min(44%, 16rem);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--cv-accent), transparent 88%), transparent),
    repeating-linear-gradient(135deg, color-mix(in srgb, var(--cv-accent-2), transparent 88%) 0 1px, transparent 1px 10px);
  opacity: 0.22;
}

.cv-timeline .timeline-item::after {
  content: attr(data-node);
  position: absolute;
  top: 0.62rem;
  right: 0.78rem;
  color: color-mix(in srgb, var(--cv-accent), var(--tel-muted) 38%);
  font-family: var(--tel-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  opacity: 0.72;
}

.cv-timeline .timeline-item > * {
  position: relative;
  z-index: 1;
}

.cv-timeline .cv-timeline-item--udel {
  --cv-accent: #00539f;
  --cv-accent-2: #ffd200;
}

.cv-timeline .cv-timeline-item--yale {
  --cv-accent: #00356b;
  --cv-accent-2: #9aa6b2;
}

.cv-timeline .cv-timeline-item--penn {
  --cv-accent: #011f5b;
  --cv-accent-2: #990000;
}

.cv-timeline .cv-timeline-item--uppsala {
  --cv-accent: #b11f2a;
  --cv-accent-2: #f7f4ed;
}

.cv-timeline .cv-timeline-item--nanjing {
  --cv-accent: #6a005f;
  --cv-accent-2: #d6b15d;
}

.cv-institution-logo {
  display: block;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid color-mix(in srgb, var(--tel-line), transparent 22%);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(17, 46, 54, 0.1);
}

.cv-timeline-item h3 {
  margin: 0 0 0.25rem;
  font-size: var(--tel-type-xl);
  line-height: 1.18;
}

.cv-timeline-item p {
  margin: 0.28rem 0 0;
  color: var(--tel-muted);
  line-height: 1.52;
}

.cv-timeline-item .cv-item-date {
  margin-top: 0;
  color: color-mix(in srgb, var(--cv-accent), var(--tel-ink) 12%);
}

.plain-list.cv-awards {
  gap: 0.32rem;
  padding-left: 1.2rem;
  color: var(--tel-muted);
  line-height: 1.48;
  list-style: disc;
}

.cv-awards li {
  padding: 0;
}

html[data-theme="dark"] .cv-kicker,
html[data-theme="dark"] .cv-item-date {
  color: #94d2bd;
}

html[data-theme="dark"] .cv-timeline-item .cv-item-date {
  color: color-mix(in srgb, var(--cv-accent-2), #fff 58%);
}

html[data-theme="dark"] .cv-signal-strip span {
  color: color-mix(in srgb, var(--signal-color), #fff 68%);
}

.centered-band {
  text-align: center;
}

.plain-list {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.3rem;
}

.paperradar-hero {
  margin: 2rem 0;
}

.paperradar-hero h2 {
  margin-bottom: 1rem;
}

.paperradar-hero img {
  display: block;
  width: min(100%, 920px);
  aspect-ratio: 16 / 10;
  object-fit: contain;
  margin: 1.5rem auto 0;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-card);
  box-shadow: 0 18px 52px rgba(17, 46, 54, 0.12);
}

.form-embed {
  margin: 2rem 0;
  overflow: hidden;
  border: 1px solid var(--tel-line);
  border-radius: 8px;
  background: var(--tel-card);
  box-shadow: 0 18px 52px rgba(17, 46, 54, 0.1);
}

.form-open {
  display: inline-flex;
  margin: 1rem 1rem 0;
  font-weight: 600;
}

.form-embed iframe {
  display: block;
  width: 100%;
  min-height: 72rem;
  border: 0;
}

.cta-banner {
  margin: 2.5rem 0;
  padding: clamp(1.3rem, 3vw, 2.2rem);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 95, 115, 0.9), rgba(174, 32, 18, 0.76)),
    url("../images/group-network.jpg") center / cover;
  box-shadow: var(--tel-shadow);
  color: #fffaf1;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js-reveal .reveal {
  opacity: 1;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.js-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes tel-drift {
  from {
    transform: translate3d(-1.5%, -1%, 0) scale(1);
  }

  to {
    transform: translate3d(1.5%, 1%, 0) scale(1.04);
  }
}

@media (max-width: 900px) {
  .hero-inner,
  .polariton-hero,
  .feature-grid,
  .research-grid,
  .software-grid,
  .people-grid,
  .people-list,
  .cv-grid {
    grid-template-columns: 1fr;
  }

  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pub-filter {
    position: static;
    grid-template-columns: 1fr;
  }

  .tel-hero {
    min-height: auto;
    border-radius: 8px;
  }

  .field-hero {
    height: calc(100svh - var(--pst-header-height, 4rem));
    height: calc(100dvh - var(--pst-header-height, 4rem));
    min-height: 560px;
    border-radius: 0;
  }

  .field-hero__content h1 {
    font-size: 4.15rem;
  }

  .pub-card.has-figure {
    grid-template-columns: minmax(120px, 160px) 3.1rem minmax(0, 1fr);
  }

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

  .polariton-method__figure {
    margin: 0;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--tel-line);
  }

  .polariton-method__figure img {
    min-height: 0;
    max-height: none;
  }
}

@media (max-width: 620px) {
  html {
    --tel-type-lg: 1rem;
    --tel-type-xl: 1.12rem;
    --tel-type-2xl: 1.28rem;
    --tel-type-3xl: 1.55rem;
    --tel-type-4xl: 2rem;
    --tel-type-5xl: 2.35rem;
    --tel-type-hero: 2.65rem;
  }

  .bd-main .bd-content .bd-article-container {
    padding-inline: 0.75rem;
  }

  .metric-strip {
    gap: 0.7rem;
  }

  .metric {
    padding: 0.9rem;
  }

  .hero-title {
    font-size: var(--tel-type-hero);
  }

  .field-hero {
    height: calc(100svh - var(--pst-header-height, 4rem));
    height: calc(100dvh - var(--pst-header-height, 4rem));
    min-height: 560px;
  }

  .field-hero__content {
    align-items: center;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 1.6rem 1rem 4.2rem;
    text-align: center;
  }

  .field-hero__content h1 {
    max-width: 100%;
    margin-inline: auto;
    font-size: 2.25rem;
    line-height: 1.04;
  }

  .hero-kicker {
    display: block;
    width: fit-content;
    max-width: 100%;
    min-width: 0;
    margin-right: auto;
    margin-left: auto;
    padding-inline: 0;
    font-size: var(--tel-type-base);
    line-height: 1.35;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
  }

  .field-hero__content p:not(.hero-kicker) {
    max-width: min(100%, 22rem);
    margin-right: auto;
    margin-left: auto;
    font-size: var(--tel-type-base);
    line-height: 1.52;
    overflow-wrap: break-word;
  }

  .field-hero__content .hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.55rem;
    width: min(100%, 15.5rem);
    max-width: min(100%, 15.5rem);
    margin-top: 1.1rem;
    margin-right: auto;
    margin-left: auto;
  }

  .field-hero__content .tel-button {
    width: 100%;
    min-height: 2.45rem;
    padding: 0.58rem 0.72rem;
    font-size: var(--tel-type-sm);
  }

  .keyword-cloud {
    margin: 1.4rem 0 2.4rem;
  }

  .keyword-cloud__orb {
    width: min(100%, 22rem);
    gap: 0.38rem 0.58rem;
    padding: 12%;
  }

  .keyword-cloud__word {
    font-size: var(--mobile-size);
  }

  .bd-article-container h1 {
    margin-top: 0.9rem;
    font-size: var(--tel-type-5xl);
  }

  .bd-article-container h2 {
    font-size: var(--tel-type-3xl);
  }

  .page-title {
    font-size: var(--tel-type-5xl);
  }

  .page-lede,
  .hero-subtitle {
    font-size: var(--tel-type-lg);
  }

  .polariton-hero {
    border-radius: 8px;
  }

  .polariton-hero img {
    min-height: 230px;
  }

  .polariton-hero > div,
  .polariton-method__body {
    padding: 1.2rem;
  }

  .research-section > h2 {
    display: block;
    font-size: var(--tel-type-4xl);
  }

  .research-section > h2::after {
    display: none;
  }

  .research-list .research-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .research-list .research-card > img {
    height: 220px;
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--tel-line);
  }

  .research-list .research-card > div {
    padding: 1.2rem;
  }

  .research-list .research-card h2,
  .polariton-method h2 {
    font-size: var(--tel-type-3xl);
  }

  .soft-visual {
    font-size: var(--tel-type-5xl);
  }

  .person-card {
    grid-template-columns: 1fr;
  }

  .pub-filter {
    gap: 0.75rem;
    width: min(100%, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
    padding: 0.72rem;
    overflow: hidden;
  }

  .pub-filter__chips {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    min-width: 0;
  }

  .pub-chip {
    width: 100%;
    min-width: 0;
    padding-inline: 0.5rem;
  }

  .pub-card,
  .pub-card.has-figure {
    grid-template-columns: minmax(0, 1fr);
    width: min(100%, calc(100vw - 2rem));
    max-width: calc(100vw - 2rem);
    min-width: 0;
  }

  .pub-card.has-figure .pub-figure {
    grid-column: auto;
  }

  .pub-number {
    justify-self: start;
    width: auto;
    min-width: 2.65rem;
    height: 2.35rem;
    padding-inline: 0.65rem;
  }

  .pub-card > * {
    min-width: 0;
  }

  .person-photo,
  .person-initial,
  .photo-wrap {
    width: min(100%, 220px);
    aspect-ratio: 1 / 1;
    height: auto;
    justify-self: center;
  }

  .photo-wrap .person-photo {
    width: 100%;
    height: 100%;
  }

  .cv-grid,
  .cv-card {
    width: min(100%, calc(100vw - 1.5rem));
    max-width: calc(100vw - 1.5rem);
    min-width: 0;
  }

  .cv-profile__photo {
    width: min(100%, 236px);
  }

  .cv-signal-strip {
    align-content: start;
    margin-top: 1rem;
  }

  .cv-link-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    width: min(100%, 16rem);
    margin-right: auto;
    margin-left: auto;
  }

  .cv-button {
    width: 100%;
  }

  .cv-section > h2 {
    display: block;
  }

  .cv-section > h2::after {
    display: none;
  }

  .cv-timeline .timeline-item {
    grid-template-columns: 2.8rem minmax(0, 1fr);
    gap: 0.75rem;
    padding: 0.85rem;
  }

  .cv-timeline .timeline-item::after {
    display: none;
  }

  .cv-institution-logo {
    width: 2.8rem;
    height: 2.8rem;
  }

  .cv-timeline-item h3 {
    font-size: var(--tel-type-lg);
  }

  .pub-figure,
  .pub-figure img {
    min-height: 160px;
  }
}

@media (max-width: 380px) {
  .field-hero__content h1 {
    font-size: 2rem;
  }
}

@media (max-width: 340px) {
  .field-hero__content h1 {
    font-size: 1.7rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
