/* AI-rLAB — minimal light theme; self-host fonts in assets/fonts/ (see @font-face). */

@font-face {
  font-family: "Safiro";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("Safiro"), local("Safiro Regular"),
    url("../fonts/Safiro-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Safiro";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: local("Safiro Italic"),
    url("../fonts/Safiro-RegularItalic.woff2") format("woff2");
}

@font-face {
  font-family: "Safiro";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local("Safiro Bold"), local("Safiro-Bold"),
    url("../fonts/Safiro-Bold.woff2") format("woff2");
}

@font-face {
  font-family: "Aktiv Grotesk Bold EX";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local("Aktiv Grotesk Bold Ex"), local("Aktiv Grotesk Bold Extended"),
    url("../fonts/AktivGrotesk-BoldExtended.woff2") format("woff2");
}

/* About-page body text: extended grotesk at normal weight (add RegularExtended woff2 to assets/fonts/) */
@font-face {
  font-family: "Aktiv Grotesk Ex";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("Aktiv Grotesk Extended"), local("Aktiv Grotesk Ex"),
    url("../fonts/AktivGrotesk-RegularExtended.woff2") format("woff2");
}

:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-text-muted: #333333;
  --color-border: #000000;
  --font-body: "Safiro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-display: "Aktiv Grotesk Bold EX", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --header-height: 3.25rem;
  --space-page: clamp(1.25rem, 4vw, 2.5rem);
  --max-width: 72rem;
  --team-headshot-size: 7.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar,
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 0;
  height: 0;
  background: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
}

/* Display / main titles */
.title-display,
.site-logo {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-body);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-page);
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-body);
}

.site-header__inner {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 var(--space-page);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: nowrap;
}

.site-logo {
  flex: 0 0 auto;
  text-align: left;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover,
.site-logo:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-nav {
  flex: 0 0 auto;
  margin-left: auto;
  text-align: right;
}

.site-nav > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem 1.25rem;
}

.site-nav__item {
  display: flex;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-body);
  color: var(--color-text);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-bottom-color: var(--color-text);
}

.site-nav a[aria-current="page"] {
  border-bottom-color: var(--color-text);
}

main {
  flex: 1;
}

/* Home landing */
.page-home .hero {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100svh;
  min-height: 100vh;
}

.hero__figure {
  margin: 0;
  width: 100%;
  max-height: min(85vh, 960px);
  overflow: hidden;
  background: var(--color-bg);
}

.hero__image {
  width: 100%;
  height: min(85vh, 960px);
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero__intro {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-page);
  padding-top: 2rem;
  padding-bottom: 3rem;
  text-align: center;
}

.hero__title {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 6vw, 3.25rem);
}

.hero__tagline {
  margin: 0 auto;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 32rem;
  text-align: center;
}

.page-home .hero__intro {
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

/* Full-viewport lab strips below the hero (scroll to reveal) */
.page-home .home-lab-gallery {
  width: 100%;
}

.home-lab-gallery__panel {
  width: 100%;
  height: 100svh;
  height: 100vh;
  max-height: 100svh;
  max-height: 100vh;
  overflow: hidden;
  background: #0a0a0a;
}

.home-lab-gallery__figure {
  margin: 0;
  width: 100%;
  height: 100%;
}

.home-lab-gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Inner pages */
.page-inner main {
  flex: 1 1 auto;
  min-height: 0;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-page);
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.page-inner h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
}

.page-inner .lede {
  margin: 0 auto 2rem;
  color: var(--color-text-muted);
  max-width: 36rem;
  text-align: center;
}

.page-inner .about-subhead {
  margin: 3rem 0 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  text-align: center;
}

.page-inner .about-prose {
  max-width: 40rem;
  margin: 0 auto 1rem;
  text-align: left;
  font-size: 0.98rem;
  line-height: 1.6;
}

.page-inner .about-prose--note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

/* About page: two columns, independently scrollable on wide viewports */
body.page-about {
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  font-family: "Aktiv Grotesk Ex", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.8125rem;
  line-height: 1.55;
  font-weight: 400;
}

/* About: Safiro for headings / names; Aktiv Grotesk Ex (400) for body (site default is reversed) */
body.page-about h1,
body.page-about h2,
body.page-about h3 {
  font-family: "Safiro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

body.page-about .team-member__name {
  font-family: "Safiro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

body.page-about .about-intro__title,
body.page-about .about-page__lede {
  font-family: "Safiro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    serif;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.page-about main.about-page {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  max-width: none;
  width: 100%;
  margin: 0;
  padding: var(--space-page);
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  /* Left/right gutters; right column stays inset from the viewport edge */
  padding-left: var(--space-page);
  padding-right: var(--space-page);
}

.page-about .about-columns {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: stretch;
  max-width: none;
  margin: 0;
  width: 100%;
}

.page-about .about-columns__pane {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  text-align: left;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-columns__pane--left {
  padding-left: clamp(1.35rem, 5vw, 3.25rem);
  padding-right: clamp(1.35rem, 5vw, 3.25rem);
}

/* Right column: heading fixed, team list scrolls in inner toroidal strip */
.page-about .about-columns__pane--right {
  border-left: 1px solid var(--color-border);
  padding-left: clamp(0.75rem, 2vw, 1.5rem);
  container-type: inline-size;
  container-name: about-team;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
  width: 100%;
  min-width: 0;
}

.page-about .about-team-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-about .about-team-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
  background: transparent;
}

.page-about .about-columns__pane--right > .about-page__subhead {
  flex-shrink: 0;
  font-size: clamp(1.15rem, 0.9rem + 3.5cqi, 1.75rem);
  max-width: 100%;
}

.page-about .about-columns__pane--right .team-feed--about {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  --team-headshot-size: clamp(3rem, 18cqi + 1.5rem, 7.5rem);
}

.page-about .about-team-scroll .team-list + .team-list {
  margin-top: 2rem;
}

@supports not (container-type: inline-size) {
  .page-about .about-columns__pane--right .team-feed--about {
    --team-headshot-size: clamp(3rem, 9vw, 7.5rem);
  }
}

@container about-team (max-width: 22rem) {
  .team-member__layout {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0.85rem;
  }

  .team-member__photo-wrap {
    justify-self: start;
  }

  .team-member__name,
  .team-member__role,
  .team-member__bio {
    text-align: left;
  }

  .team-member__panel {
    padding-left: 0;
  }
}

.page-about .about-columns__pane h1 {
  margin: 0 0 0.75rem;
  text-align: left;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
}

.page-about .about-intro {
  margin: 0 0 1.5rem;
}

.page-about .about-intro__title {
  margin: 0 0 0.5rem;
}

.page-about .about-intro__affiliation {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  text-align: left;
}

.page-about .about-page__lede {
  margin: 0 0 1.25rem;
  max-width: none;
  text-align: left;
}

.page-about .about-prose__section-title {
  margin: 2rem 0 0.75rem;
  font-size: clamp(0.88rem, 2vw, 1.05rem);
  font-weight: 400;
  text-align: left;
  letter-spacing: -0.02em;
}

.page-about .about-prose__section-title:first-child {
  margin-top: 0;
}

.page-about .about-prose .about-prose__section-title + p {
  margin-top: 0;
}

.page-about .about-page__subhead {
  margin: 0 0 0.75rem;
  text-align: left;
}

.page-about .about-prose {
  max-width: none;
  margin: 0;
}

.page-about .about-prose p {
  font-size: 0.75rem;
  line-height: 1.58;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.page-about .about-page__team-note {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.page-about .team-feed--about {
  max-width: none;
  margin: 0;
}

.page-about .team-member__bio {
  text-align: justify;
  text-align-last: left;
  hyphens: auto;
  -webkit-hyphens: auto;
}

@media (max-width: 900px) {
  body.page-about {
    height: auto;
    max-height: none;
    min-height: 100dvh;
    overflow: auto;
  }

  .page-about main.about-page {
    overflow: visible;
    flex: 1 1 auto;
    padding-right: var(--space-page);
  }

  .page-about .about-columns {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    flex: none;
    min-height: auto;
    height: auto;
  }

  .page-about .about-columns__pane {
    overflow-y: visible;
    min-height: auto;
    overscroll-behavior: auto;
  }

  .page-about .about-columns__pane--left {
    padding-left: var(--space-page);
    padding-right: var(--space-page);
  }

  .page-about .about-columns__pane--right {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: 2rem;
    margin-top: 0.25rem;
    overflow: visible;
  }

  .page-about .about-team-scroll {
    flex: none;
    min-height: 0;
    overflow: visible;
    max-height: none;
  }
}

/* Team directory (About page; data/team.json) */
.team-feed {
  max-width: 40rem;
  margin: 0 auto;
  text-align: left;
}

.team-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.team-member {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.team-member--interactive {
  margin: 0;
  padding: 0;
}

.team-member__header {
  cursor: pointer;
  list-style: none;
}

.team-member__header:focus {
  outline: none;
}

.team-member__header:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.team-member__panel {
  padding-top: 0.85rem;
  padding-left: calc(var(--team-headshot-size) + 1.25rem);
}

/* Scroll-dismiss: smooth collapse (see js/team.js collapseInteractivePanelsFromScroll) */
.team-member--interactive .team-member__panel:not([hidden]) {
  transition:
    opacity 0.55s ease,
    max-height 0.7s ease,
    padding-top 0.7s ease;
}

.team-member--interactive .team-member__panel.team-member__panel--scroll-closing {
  max-height: 0 !important;
  opacity: 0;
  padding-top: 0;
  overflow: hidden;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .team-member--interactive .team-member__panel:not([hidden]) {
    transition: none;
  }
}

.team-member:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

/* Toroidal team strip: each roster copy ends with a rule so last→first loops match */
.page-about .about-team-scroll .team-list .team-member:last-child {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.team-member__layout {
  display: grid;
  grid-template-columns: var(--team-headshot-size) 1fr;
  gap: 1.25rem;
  align-items: start;
}

.team-member__photo-wrap {
  width: var(--team-headshot-size);
  height: var(--team-headshot-size);
  overflow: hidden;
  background: #eeeeee;
}

.team-member__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: grayscale(100%);
}

.team-member__body {
  min-width: 0;
}

.team-member__name {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  text-align: left;
  display: block;
}

.team-member__role {
  display: block;
  margin: 0 0 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
}

.team-member__bio {
  margin: 0 0 0.65rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.55;
  text-align: left;
}

.team-member__links {
  font-size: 0.9375rem;
}

.team-member__links a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.team-member__links a:hover,
.team-member__links a:focus-visible {
  text-decoration-thickness: 2px;
}

@media (max-width: 480px) {
  .team-member__layout,
  .team-member__header.team-member__layout {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .team-member__body {
    text-align: center;
  }

  .team-member__name,
  .team-member__role,
  .team-member__bio {
    text-align: center;
  }

  .team-member__panel {
    padding-left: 0;
  }

  .page-about .about-columns__pane--right .team-member__layout,
  .page-about .about-columns__pane--right .team-member__header.team-member__layout {
    justify-items: start;
  }

  .page-about .about-columns__pane--right .team-member__body,
  .page-about .about-columns__pane--right .team-member__name,
  .page-about .about-columns__pane--right .team-member__role,
  .page-about .about-columns__pane--right .team-member__bio {
    text-align: left;
  }
}

.inline-code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: 0.9em;
}

/* News feed (data/news.json) */
.news-feed {
  max-width: 40rem;
  margin: 0 auto;
  text-align: left;
}

.news-feed__list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.news-feed__status {
  margin: 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.news-feed__status--error {
  color: var(--color-text);
}

.news-post {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.news-post:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.news-post__meta {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.news-post__type {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.news-post__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  text-align: left;
}

.news-post__summary {
  margin: 0 0 0.85rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--color-text);
  text-align: left;
}

.news-post__links {
  font-size: 0.9375rem;
}

.news-post__links a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  margin-right: 0.75rem;
}

.news-post__links a:hover,
.news-post__links a:focus-visible {
  text-decoration-thickness: 2px;
}

/* Publications (data/publications.json) */
.pub-feed {
  max-width: 44rem;
  margin: 0 auto;
  text-align: left;
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pub-list__year {
  margin: 0 0 0;
  padding: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--color-border);
}

.pub-list__year:not(:first-child) {
  margin-top: 2.25rem;
}

.pub-list__year + .pub-item {
  margin-top: 0.75rem;
}

.pub-item {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-top: 0;
}

.pub-list > .pub-item:last-of-type {
  padding-bottom: 0;
  border-bottom: none;
}

.pub-item__citation {
  margin: 0 0 0.75rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.6;
  text-align: left;
  hanging-punctuation: first last;
}

.pub-item__links {
  font-size: 0.9375rem;
}

.pub-item__links a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  margin-right: 0.75rem;
}

.pub-item__links a:hover,
.pub-item__links a:focus-visible {
  text-decoration-thickness: 2px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem var(--space-page);
  background: var(--color-bg);
  font-family: var(--font-body);
}

.site-footer__note {
  margin: 0;
  max-width: var(--max-width);
  margin-inline: auto;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

@media (max-width: 640px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
    margin-left: 0;
  }

  .site-nav > ul {
    justify-content: flex-end;
    gap: 0.35rem 1rem;
  }
}

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