:root {
  color-scheme: light dark;
  --bg: #f7f3ed;
  --panel: #fffaf2;
  --text: #1f1b16;
  --muted: #74695f;
  --line: #ded3c5;
  --accent: #8f2f21;
  --accent-contrast: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1rem;
}

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

.language-switch {
  display: flex;
  gap: 0.45rem;
  color: var(--muted);
}

.language-switch a {
  text-decoration: none;
}

.language-switch a[aria-current="true"] {
  color: var(--text);
  font-weight: 700;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.home {
  min-height: calc(100vh - 64px);
  display: block;
}

.hero,
.page-title {
  max-width: 760px;
}

.hero {
  margin: 3rem auto 0;
  text-align: center;
}

.hero h1,
.page-title h1 {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin: 0 0 1rem;
}

.hero p,
.page-title p {
  font-size: 1.1rem;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
}

.button {
  display: inline-flex;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  text-decoration: none;
  font-weight: 700;
}

.home-grid,
.content-page {
  margin-top: 3rem;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.home-grid article,
.content-page article,
.publication-list li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}

.content-page {
  max-width: 860px;
}

.content-page h1 {
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.content-page article {
  margin: 1rem 0;
}

.publication-list {
  display: grid;
  gap: 1rem;
  list-style: none;
  padding-left: 0;
}

.publication-list span {
  display: block;
  color: var(--muted);
  margin: 0.35rem 0;
}

.science-topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 360px);
  gap: 0.75rem 1rem;
  align-items: start;
  overflow: hidden;
}

.science-topic h2 {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

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

.science-media {
  display: block;
  width: min(100%, 360px);
  min-width: 0;
  max-width: 100%;
  justify-self: end;
  overflow: hidden;
}

.science-media img {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  background: var(--line);
}

.link-list,
.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0;
  list-style: none;
}

.resource-links a,
.link-list a {
  font-weight: 700;
}

.inline-gallery {
  column-count: 4;
  column-gap: 0.8rem;
  margin-top: 1.5rem;
}

.inline-gallery a {
  display: inline-block;
  width: 100%;
  margin: 0 0 0.8rem;
  break-inside: avoid;
}

.inline-gallery img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: var(--line);
}

.lightbox-dialog {
  width: min(1100px, calc(100% - 2rem));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.5rem;
  background: var(--panel);
  color: var(--text);
}

.lightbox-dialog::backdrop {
  background: rgb(0 0 0 / 0.68);
}

.lightbox-dialog:focus {
  outline: none;
}

.lightbox-dialog img {
  display: block;
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 12px;
  background: var(--bg);
}

.lightbox-caption {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.filters label {
  display: grid;
  gap: 0.35rem;
  min-width: 180px;
  color: var(--muted);
  font-size: 0.85rem;
}

select {
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}

.album-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
}

.album-button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
}

.album-button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.artwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.8rem;
}

.artwork-card {
  border: 0;
  padding: 0;
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 1px 0 var(--line);
}

.artwork-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--line);
}

.artwork-dialog {
  width: min(1100px, calc(100% - 2rem));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
}

.artwork-dialog::backdrop {
  background: rgb(0 0 0 / 0.68);
}

.artwork-dialog:focus {
  outline: none;
}

.dialog-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-size: 1.5rem;
  cursor: pointer;
}

.dialog-nav {
  position: absolute;
  top: 50%;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.55;
  transform: translateY(-50%);
}

.dialog-nav:hover:not(:disabled),
.dialog-nav:focus-visible {
  opacity: 0.9;
}

.dialog-nav:disabled {
  opacity: 0.18;
  cursor: default;
}

.dialog-close:focus-visible,
.dialog-nav:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 3px;
}

.dialog-prev {
  left: 0.75rem;
}

.dialog-next {
  right: 0.75rem;
}

.dialog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
  gap: 1.5rem;
  padding: 1.5rem;
}

.dialog-layout img {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  background: var(--bg);
  border-radius: 12px;
}

dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 1rem;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
}

.meta-full-row {
  grid-column: 1 / -1;
  color: var(--text);
  font-weight: 700;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.75rem 1rem;
  }

  .site-header nav {
    order: 3;
    flex: 1 0 100%;
    flex-wrap: wrap;
    gap: 0.45rem 0.9rem;
  }

  .site-header nav a {
    white-space: nowrap;
  }

  .language-switch {
    margin-left: auto;
  }

  .dialog-layout {
    grid-template-columns: 1fr;
  }

  .filters {
    display: grid;
  }

  .science-topic {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1000px) {
  .inline-gallery {
    column-count: 3;
  }
}

@media (max-width: 700px) {
  .inline-gallery {
    column-count: 2;
  }
}

@media (max-width: 460px) {
  .inline-gallery {
    column-count: 1;
  }
}