:root {
  --bg: #08101d;
  --bg-deep: #050b16;
  --bg-soft: #0d1728;
  --text: #edf3ff;
  --muted: #93a4c8;
  --line: rgba(154, 181, 229, 0.22);
  --line-strong: rgba(154, 181, 229, 0.38);
  --accent: #7fd3ff;
  --accent-soft: rgba(127, 211, 255, 0.2);
  --gold: #e2b46c;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background-color: var(--bg);
  background:
    radial-gradient(circle at 14% 16%, rgba(127, 211, 255, 0.12), transparent 20rem),
    radial-gradient(circle at 86% 10%, rgba(226, 180, 108, 0.08), transparent 14rem),
    linear-gradient(180deg, var(--bg) 0%, #0b1526 18%, var(--bg) 48%, var(--bg-deep) 100%);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.65;
  overscroll-behavior-y: none;
  overflow-x: clip;
}

body::before {
  position: fixed;
  inset: -1.5rem;
  background-image:
    radial-gradient(circle at 10% 18%, rgba(255, 255, 255, 0.85) 0 1px, transparent 1.5px),
    radial-gradient(circle at 17% 9%, rgba(255, 255, 255, 0.72) 0 1px, transparent 1.5px),
    radial-gradient(circle at 24% 12%, rgba(255, 255, 255, 0.75) 0 1px, transparent 1.5px),
    radial-gradient(circle at 31% 28%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.5px),
    radial-gradient(circle at 42% 22%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 51% 10%, rgba(255, 255, 255, 0.76) 0 1px, transparent 1.5px),
    radial-gradient(circle at 59% 26%, rgba(255, 255, 255, 0.68) 0 1px, transparent 1.5px),
    radial-gradient(circle at 67% 14%, rgba(255, 255, 255, 0.72) 0 1px, transparent 1.5px),
    radial-gradient(circle at 74% 30%, rgba(255, 255, 255, 0.76) 0 1px, transparent 1.5px),
    radial-gradient(circle at 82% 22%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 88% 16%, rgba(255, 255, 255, 0.66) 0 1px, transparent 1.5px),
    radial-gradient(circle at 91% 8%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.5px),
    radial-gradient(circle at 95% 27%, rgba(255, 255, 255, 0.74) 0 1px, transparent 1.5px);
  content: "";
  opacity: 0.45;
  pointer-events: none;
  will-change: transform, opacity;
  transition: opacity 45ms linear;
  animation: star-drift 34s ease-in-out infinite alternate;
}

body.yyz-flash::before {
  opacity: 0.96;
}

@keyframes star-drift {
  0% {
    transform: translate3d(-0.65rem, -0.35rem, 0);
  }

  50% {
    transform: translate3d(0.35rem, 0.65rem, 0);
  }

  100% {
    transform: translate3d(1rem, -0.25rem, 0);
  }
}

a {
  color: var(--accent);
}

.page-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 0;
  position: relative;
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background:
    linear-gradient(180deg, rgba(8, 16, 29, 0.96) 0%, rgba(8, 16, 29, 0.86) 100%);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-nav-inner {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.8rem;
  align-items: center;
  padding: 1.15rem 0 1.1rem;
}

.brand-block {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.brand-name {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-subline {
  display: grid;
  gap: 0.05rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.25;
}

.brand-subline span {
  display: block;
}

.mobile-nav-toggle {
  display: none;
}

.mobile-nav-panel {
  display: contents;
}

.utility-links,
.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
}

.utility-links {
  justify-content: flex-end;
}

.utility-links a {
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.utility-links a:hover,
.utility-links a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-list-main {
  justify-content: center;
  align-self: center;
}

.tab-button {
  padding: 0.4rem 0 0.55rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.tab-button:hover,
.tab-button:focus-visible {
  color: var(--text);
}

.tab-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.35rem;
}

.tab-button.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.main-panels {
  display: grid;
}

.tab-panel[hidden] {
  display: none;
}

.main-panel {
  display: grid;
  gap: 2.5rem;
  padding-top: 2rem;
}

.main-panel:not(.main-panel-overview) {
  padding-bottom: 3rem;
}

.main-panel-overview {
  min-height: calc(100vh - 7.5rem);
  align-content: center;
}

.overview-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.68fr);
  gap: 3rem;
  align-items: start;
}

.kicker,
.mini-label,
.software-meta span {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.overview-copy h1,
.software-intro h2,
.outreach-intro h2,
.topic-copy h3,
.software-row h3,
.outreach-section h3 {
  margin: 0;
  font-family: "Baskerville", "Iowan Old Style", "Palatino Linotype", serif;
  letter-spacing: -0.03em;
}

.overview-copy h1 {
  max-width: 24ch;
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  line-height: 0.98;
}

.lede,
.body-copy,
.portrait-wrap figcaption {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.lede {
  margin: 1.3rem 0 0;
}

.overview-paragraph {
  margin: 0;
}

.overview-copy h1 + .overview-paragraph {
  margin-top: 1.15rem;
}

.overview-paragraph + .overview-paragraph {
  margin-top: 1.05rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.6rem;
}

.text-link {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.text-link-strong {
  color: var(--text);
}

.portrait-wrap {
  margin: 0;
  padding-left: 1.75rem;
  border-left: 1px solid var(--line);
}

.portrait-wrap img {
  display: block;
  width: 100%;
  border: 1px solid var(--line-strong);
}

.portrait-wrap figcaption {
  margin-top: 0.8rem;
}

.section-separator {
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}

.topic-banner {
  position: relative;
  --banner-edge-fade: linear-gradient(
    180deg,
    rgba(8, 16, 29, 0.98) 0%,
    rgba(8, 16, 29, 0.78) 12%,
    rgba(8, 16, 29, 0.34) 28%,
    rgba(8, 16, 29, 0.14) 44%,
    rgba(8, 16, 29, 0.14) 58%,
    rgba(8, 16, 29, 0.36) 74%,
    rgba(8, 16, 29, 0.8) 88%,
    rgba(8, 16, 29, 0.98) 100%
  );
  --banner-wash: linear-gradient(120deg, rgba(7, 14, 25, 0.9), rgba(15, 31, 54, 0.82));
  --banner-image: linear-gradient(135deg, rgba(255, 255, 255, 0.02), transparent 55%);
  --banner-image-position: center;
  --banner-image-size: cover;
  min-height: 260px;
  margin: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 1.4rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: var(--bg-soft);
  background:
    var(--banner-edge-fade),
    var(--banner-wash),
    var(--banner-image);
  background-position: center, center, var(--banner-image-position);
  background-size: auto, auto, var(--banner-image-size);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-clip: padding-box;
  box-shadow:
    inset 0 22px 34px rgba(8, 16, 29, 0.34),
    inset 0 -22px 34px rgba(5, 11, 22, 0.42);
  overflow: hidden;
}

.topic-banner::before,
.topic-banner::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.topic-banner::before {
  inset: auto -10% -38% auto;
  width: 78%;
  height: 140%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(127, 211, 255, 0.18) 0%, rgba(127, 211, 255, 0.02) 48%, transparent 70%);
  transform: rotate(-10deg);
}

.topic-banner::after {
  inset: 15% auto auto -8%;
  width: 62%;
  height: 110%;
  border-radius: 50%;
  border: 1px solid rgba(226, 180, 108, 0.12);
  transform: rotate(14deg);
}

.topic-banner-nav {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.topic-switch {
  position: absolute;
  top: 50%;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 3.2rem;
  max-width: min(15rem, 36vw);
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(237, 243, 255, 0.16);
  background: rgba(5, 11, 22, 0.38);
  color: rgba(237, 243, 255, 0.84);
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  pointer-events: auto;
  backdrop-filter: blur(12px);
  transform: translateY(-50%);
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.topic-switch:hover,
.topic-switch:focus-visible {
  background: rgba(5, 11, 22, 0.56);
  border-color: rgba(127, 211, 255, 0.34);
  color: var(--text);
}

.topic-switch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.2rem;
}

.topic-switch-prev {
  left: 1rem;
}

.topic-switch-next {
  right: 1rem;
  justify-content: flex-end;
  text-align: right;
}

.topic-switch-arrow {
  flex: 0 0 auto;
  font-size: 1.1rem;
  line-height: 1;
}

.topic-switch-text {
  display: inline-block;
  line-height: 1.35;
}

.topic-banner-relic {
  --banner-wash: linear-gradient(120deg, rgba(6, 12, 22, 0.92), rgba(14, 34, 59, 0.68));
  --banner-image: url("assets/images/cosmic_web.png");
  --banner-image-position: center 34%;
}

.topic-banner-relic::before {
  background: radial-gradient(circle, rgba(127, 211, 255, 0.24) 0%, rgba(127, 211, 255, 0.05) 44%, transparent 70%);
}

.topic-banner-atoms {
  --banner-wash: linear-gradient(120deg, rgba(10, 15, 22, 0.94), rgba(35, 28, 16, 0.68));
  --banner-image: url("assets/images/molecules_banner.svg");
}

.topic-banner-atoms::before {
  background: radial-gradient(circle, rgba(226, 180, 108, 0.18) 0%, rgba(226, 180, 108, 0.04) 42%, transparent 68%);
}

.topic-banner-pheno {
  --banner-wash: linear-gradient(120deg, rgba(7, 12, 20, 0.94), rgba(19, 24, 44, 0.68));
  --banner-image: url("assets/images/pheno_feynman_box.svg");
}

.topic-banner-pheno::after {
  border-color: rgba(127, 211, 255, 0.16);
}

.overview-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.92fr);
  gap: 2rem;
}

.mini-label {
  display: inline-block;
  margin-bottom: 0.7rem;
}

.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.clean-list li:last-child {
  border-bottom: 1px solid var(--line);
}

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

.clean-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.clean-link:hover,
.clean-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.clean-entry {
  min-width: 0;
  flex: 1 1 auto;
}

.clean-title {
  display: block;
  max-width: 54ch;
  color: var(--text);
}

.clean-authors {
  display: block;
  margin-top: 0.28rem;
  max-width: 60ch;
  color: var(--muted);
  font-size: 0.92rem;
}

.talk-location {
  display: block;
  margin-top: 0.35rem;
  max-width: 64ch;
  color: var(--muted);
  font-size: 0.94rem;
}

.talk-assets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.95rem;
  padding-top: 0.7rem;
}

.talk-places {
  margin-top: 0.9rem;
}

.talk-places summary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.talk-places summary::-webkit-details-marker {
  display: none;
}

.talk-places summary::before {
  content: "▸";
  color: var(--accent);
  transition: transform 180ms ease;
}

.talk-places[open] summary::before {
  transform: rotate(90deg);
}

.talk-places[open] .talk-location:first-of-type {
  margin-top: 0.7rem;
}

.talks-list .clean-title {
  font-family: "Baskerville", "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.clean-meta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

.clean-meta-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.clean-meta-link:hover,
.clean-meta-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.clean-meta-sep {
  color: var(--line-strong);
}

.software-intro,
.outreach-intro {
  max-width: 60rem;
  padding-top: 0.5rem;
}

.software-intro h2,
.outreach-intro h2 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.02;
}

.nested-tabs {
  display: grid;
  gap: 1.6rem;
  padding-top: 0.3rem;
}

.tab-list-sub {
  gap: 1.4rem;
}

.research-topic {
  display: grid;
  gap: 1.45rem;
}

#panel-research {
  padding-top: 0;
}

#panel-research .nested-tabs {
  padding-top: 0;
}

#panel-software {
  min-height: calc(100vh - 7.5rem);
  align-content: center;
  padding-bottom: 0;
}

.topic-flow {
  display: grid;
  gap: 1.4rem;
  max-width: 64rem;
}

.research-overview {
  max-width: 60ch;
  margin: 0;
}

.topic-copy {
  display: grid;
  gap: 0.95rem;
}

.topic-copy h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.04;
}

.topic-copy .body-copy {
  margin: 0;
  max-width: 82ch;
}

.topic-papers {
  max-width: 100%;
}

.topic-papers .mini-label {
  margin-bottom: 0.35rem;
}

.software-list {
  display: grid;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.outreach-list {
  display: grid;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.software-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem 2rem;
  align-items: start;
  padding: 1.5rem 0 1.8rem;
}

.software-row + .software-row {
  border-top: 1px solid var(--line);
}

.software-row-logo {
  grid-template-columns: minmax(0, 1fr) clamp(8rem, 16vw, 11rem);
  align-items: start;
}

.software-logo {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.software-logo img {
  display: block;
  width: 100%;
  max-height: 7.5rem;
  object-fit: contain;
  filter: invert(1) brightness(1.08);
}

.software-logo-scarfff img {
  filter: none;
}

.software-side {
  display: grid;
  gap: 0.8rem;
  justify-items: center;
  align-self: center;
}

.software-side-link {
  text-align: center;
}

.outreach-section {
  padding: 1.5rem 0 1.8rem;
}

.outreach-section + .outreach-section {
  border-top: 1px solid var(--line);
}

.outreach-section-photo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(16rem, 30vw, 22rem);
  gap: 1.5rem 2rem;
  align-items: center;
}

.outreach-copy {
  min-width: 0;
}

.outreach-photo {
  margin: 0;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.outreach-photo img {
  display: block;
  width: 100%;
  max-height: 20rem;
  object-fit: contain;
  object-position: center top;
}

.outreach-photo-javi img {
  height: auto;
  max-height: 13.2rem;
  margin: 0 auto;
}

.outreach-photo-tour img {
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12%,
      rgba(0, 0, 0, 1) 88%,
      rgba(0, 0, 0, 0) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12%,
      rgba(0, 0, 0, 1) 88%,
      rgba(0, 0, 0, 0) 100%
    );
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12%,
      rgba(0, 0, 0, 1) 88%,
      rgba(0, 0, 0, 0) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12%,
      rgba(0, 0, 0, 1) 88%,
      rgba(0, 0, 0, 0) 100%
    );
  mask-composite: intersect;
}


.software-row h3 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  line-height: 1.04;
}

.outreach-section h3 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  line-height: 1.04;
}

.software-row .body-copy {
  max-width: 54ch;
  margin: 0.85rem 0 0;
}

.outreach-section .body-copy {
  max-width: 56ch;
  margin: 0.85rem 0 0;
}

.software-meta-inline {
  align-self: center;
  justify-self: end;
}

.outreach-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.2rem;
  margin-top: 1rem;
}

.outreach-label-inline {
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-nav-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .tab-list-main,
  .utility-links {
    justify-content: flex-start;
  }

  .overview-hero,
  .overview-columns {
    grid-template-columns: 1fr;
  }

  .portrait-wrap {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 1.4rem;
  }

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

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

  .software-logo img {
    width: min(11rem, 100%);
  }

  .outreach-section-photo {
    grid-template-columns: 1fr;
  }

  .outreach-photo {
    justify-content: flex-start;
  }

  .outreach-photo img {
    width: min(16rem, 100%);
  }

  .software-meta-inline {
    justify-self: start;
  }

  .topic-switch {
    max-width: min(12rem, 34vw);
  }

}

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

  body::before {
    animation: none;
  }

  body.yyz-flash::before {
    opacity: 0.45;
  }
}

@media (max-width: 760px) {
  .site-nav {
    position: relative;
    z-index: 40;
  }

  .site-nav-inner {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem 1rem;
    padding: 0.75rem 0 0.7rem;
    align-items: center;
  }

  .brand-block {
    gap: 0.08rem;
    min-width: 0;
  }

  .brand-name {
    font-size: 1rem;
  }

  .brand-subline {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.32rem 0 0.4rem;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    cursor: pointer;
  }

  .mobile-nav-toggle:hover,
  .mobile-nav-toggle:focus-visible,
  .site-nav.mobile-menu-open .mobile-nav-toggle {
    color: var(--text);
    border-bottom-color: var(--accent);
  }

  .mobile-nav-panel {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    padding: 0.9rem 1rem 1rem;
    background: rgba(8, 16, 29, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 0.9rem 2.2rem rgba(0, 0, 0, 0.26);
    z-index: 45;
  }

  .site-nav.mobile-menu-open .mobile-nav-panel {
    display: grid;
    gap: 0.9rem;
  }

  .tab-list-main,
  .utility-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    justify-content: flex-start;
  }

  .utility-links {
    padding-top: 0.75rem;
    border-top: 1px solid var(--line);
  }

  .tab-button {
    width: auto;
    padding: 0.22rem 0 0.32rem;
    font-size: 0.84rem;
    text-align: left;
  }

  .utility-links a {
    font-size: 0.84rem;
  }

  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .overview-copy h1 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .main-panel-overview {
    min-height: auto;
  }

  .topic-banner {
    min-height: 230px;
  }

  .topic-banner-nav {
    display: block;
    padding: 0;
  }

  .topic-switch {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    max-width: min(10.5rem, 42vw);
    min-height: 2.8rem;
    padding: 0.5rem 0.65rem;
    font-size: 0.68rem;
    gap: 0.45rem;
  }

  .clean-list li {
    flex-direction: column;
    align-items: start;
  }

  .clean-meta {
    justify-content: flex-start;
    text-align: left;
  }
}