:root {
  --bg: #0d1117;
  --bg-elevated: #161b22;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --border: #30363d;
  --radius: 8px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif;
  --container: 1200px;
  --nav-height: 3.5rem;
  --hero-pad: 0.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--nav-height);
}

.site-logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.site-logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-nav {
  flex: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.nav-list {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.9375rem;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-elevated);
  text-decoration: none;
}

.nav-link--active {
  color: var(--text);
  background: var(--bg-elevated);
  box-shadow: inset 0 0 0 1px var(--border);
}

.site-main {
  padding-bottom: 3rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.site-footer__tagline,
.site-footer__license {
  margin: 0;
}

.license-link {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  color: var(--text-muted);
  text-decoration: none;
}

.license-link:hover {
  color: var(--text);
  text-decoration: none;
}

.license-link:hover .license-link__name {
  color: var(--accent);
  text-decoration: underline;
}

.license-badge {
  flex-shrink: 0;
  border-radius: 2px;
}

.license-link__text {
  line-height: 1.5;
}

.meta-list__row--license .license-link {
  display: inline-flex;
}

/* Hero slideshow */
.hero {
  position: relative;
  width: 100%;
  padding: var(--hero-pad) 0;
  margin-bottom: 1.5rem;
  background: var(--bg);
  box-sizing: border-box;
}

.hero__slides {
  position: relative;
  width: min(94vw, var(--container));
  margin-inline: auto;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}

/* Landscape: fill viewport below header; gallery starts below the fold */
@media (orientation: landscape) {
  .hero {
    height: calc(100svh - var(--nav-height));
    height: calc(100dvh - var(--nav-height));
    min-height: calc(100svh - var(--nav-height));
    min-height: calc(100dvh - var(--nav-height));
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero__slides {
    width: min(96vw, var(--container));
    height: calc(100% - 2 * var(--hero-pad));
    max-height: 100%;
    aspect-ratio: unset;
  }
}

.hero__slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  pointer-events: none;
}

.hero__slide--active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem 1.25rem 1.25rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.82));
  pointer-events: auto;
}

.hero__title {
  margin: 0 0 0.25rem;
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 600;
}

.hero__date {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #0d1117;
  font-weight: 600;
  text-decoration: none;
}

.hero__cta:hover {
  background: var(--accent-hover);
  color: #0d1117;
  text-decoration: none;
}

.hero__dots {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: flex;
  gap: 0.5rem;
}

.hero__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.hero__dot--active {
  background: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    transition: none;
  }
}

/* Image grid */
.gallery-section {
  padding-inline: 1rem;
}

@media (orientation: landscape) {
  .gallery-section {
    padding-top: 1.5rem;
  }
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--container);
  margin-inline: auto;
}

@media (min-width: 600px) {
  .image-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 960px) {
  .image-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.image-card__link {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid transparent;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.image-card__link:hover,
.image-card__link:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.image-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-card__link:hover .image-card__img,
.image-card__link:focus-visible .image-card__img {
  transform: scale(1.04);
}

.image-card__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.75rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

.image-card__title {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.3;
}

.image-card__date {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Page headers */
.page-header {
  padding: 2rem 0 1rem;
}

.page-title {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
}

.empty-state {
  color: var(--text-muted);
  padding: 2rem 1rem;
  text-align: center;
}

/* Detail page */
.detail {
  padding: 1.5rem 1rem 3rem;
}

.detail__figure {
  margin: 0 0 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}

.detail__img-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
}

.detail__img-btn:hover .detail__img,
.detail__img-btn:focus-visible .detail__img {
  opacity: 0.92;
}

.detail__img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  margin-inline: auto;
  transition: opacity 0.2s ease;
}

.lightbox {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  overflow: hidden;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.92);
}

.lightbox__close {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: rgba(22, 27, 34, 0.9);
  color: var(--text);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox__close:hover {
  background: var(--bg-elevated);
  color: var(--accent);
}

.lightbox__scroll {
  width: 100%;
  height: 100%;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 3.5rem 1rem 1rem;
  box-sizing: border-box;
}

.lightbox__img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  object-fit: none;
}

.detail__title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

.detail__info-row {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.detail__info-box {
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

@media (min-width: 768px) {
  .detail__info-row:not(.detail__info-row--meta-only) {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .detail__info-box {
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .detail__info-box--extra .detail__extra,
  .detail__info-box--objects .object-list {
    flex: 1;
  }
}

.detail__extra-section {
  margin-bottom: 2rem;
}

.detail__extra-section .detail__info-box {
  width: 100%;
}

.meta-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  flex: 1;
}

.meta-list__row {
  display: grid;
  gap: 0.15rem;
}

@media (min-width: 768px) {
  .detail__info-row:not(.detail__info-row--meta-only) .meta-list__row {
    grid-template-columns: minmax(5rem, 7rem) 1fr;
    gap: 1rem;
    align-items: baseline;
  }
}

.meta-list dt {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.meta-list dd {
  margin: 0;
}

.detail__section {
  margin-bottom: 2rem;
}

.detail__heading {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.detail__prose {
  color: var(--text);
  line-height: 1.7;
}

.detail__extra {
  white-space: pre-wrap;
}

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

.object-item + .object-item {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.object-item__name {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.object-item__desc {
  margin: 0;
  color: var(--text-muted);
  white-space: pre-wrap;
}

.object-item__desc--solo {
  color: var(--text);
}

.detail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.detail__nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* About */
.about__prose h2 {
  font-size: 1.25rem;
  margin: 1.5rem 0 0.5rem;
}

.about__prose p {
  margin: 0 0 1rem;
}

.about__prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}