:root {
  color-scheme: light;
  --blue: #1e2f97;
  --red: #f30016;
  --yellow: #f2b632;
  --green: #25b233;
  --gray: #f2f2f2;
  --ink: #1a0f0f;
  --lavender: #d9b3da;
  --paper: #ffffff;
  --line: rgba(26, 15, 15, 0.14);
  --radius-card: 8px;
  --radius-section: 34px;
  --header-height: 76px;
  --max-width: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--gray);
  font-family:
    Arial, Helvetica, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.45;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.section-shell {
  width: min(100% - 48px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 max(24px, calc((100vw - var(--max-width)) / 2));
  background: rgba(242, 242, 242, 0.86);
  border-bottom: 1px solid rgba(26, 15, 15, 0.08);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(26, 15, 15, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  color: #ffffff;
  background: var(--blue);
  border-radius: 50% 50% 8px 50%;
  font-size: 0.82rem;
  font-weight: 900;
}

.brand-text strong,
.brand-text small {
  display: block;
  line-height: 1;
}

.brand-text strong {
  font-size: 1rem;
  font-weight: 900;
}

.brand-text small {
  margin-top: 4px;
  font-size: 0.78rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 4px;
  content: "";
  background: var(--red);
  border-radius: 99px;
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  font-weight: 900;
  line-height: 1.05;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 8px 8px 0 rgba(26, 15, 15, 0.12);
}

.btn-large {
  min-height: 52px;
  padding-inline: 22px;
}

.btn-blue {
  color: #ffffff;
  background: var(--blue);
}

.btn-red {
  color: #ffffff;
  background: var(--red);
}

.btn-light {
  color: var(--ink);
  background: #ffffff;
  border-color: var(--line);
}

.btn-outline {
  color: var(--ink);
  background: transparent;
  border-color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #ffffff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.hero {
  min-height: 100svh;
  display: flex;
  gap: 0;
  padding-top: var(--header-height);
  background: #ffffff;
  overflow: hidden;
}

.hero-copy {
  flex: 1 1 auto;
  min-width: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 4.4vw, 64px) clamp(24px, 3.2vw, 64px);
  background: #ffffff;
}

.hero-year {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: clamp(3.6rem, 6.2vw, 5.8rem);
  font-weight: 200;
  line-height: 0.86;
}

.hero h1 {
  max-width: 540px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.85rem, 5vw, 5.15rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.92;
}

.hero-meta {
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin: clamp(24px, 3.5vw, 40px) 0 0;
}

.hero-meta div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.hero-meta dt {
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-meta dd {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  flex: 0 0 min(70vw, calc((100svh - var(--header-height)) * 1.34));
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-items: center;
  padding: 0;
  overflow: visible;
  background: #ffffff;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.intro-band {
  padding: 34px 0;
  background: var(--ink);
  color: #ffffff;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
}

.intro-grid p {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.8rem);
  font-weight: 900;
  line-height: 1.05;
}

.intro-grid p + p {
  align-self: end;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  font-weight: 700;
  line-height: 1.45;
}

.section {
  padding: clamp(78px, 10vw, 138px) 0;
}

.section-label {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.section-label::before {
  display: block;
  width: 26px;
  height: 8px;
  content: "";
  background: var(--red);
  border-radius: 99px;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.45rem, 5.8vw, 6.2rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.95;
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  line-height: 1.08;
}

p {
  color: rgba(26, 15, 15, 0.72);
}

.editorial-grid {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 280px;
  gap: 44px;
  align-items: start;
}

.story-copy h2 {
  max-width: 760px;
  font-size: clamp(2.25rem, 4.2vw, 4.75rem);
}

.about-body {
  display: grid;
  gap: 18px;
  max-width: 780px;
  margin-top: 30px;
}

.about-body p {
  margin: 0;
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
  font-weight: 700;
}

.shape-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 118px;
  gap: 14px;
}

.shape {
  display: block;
}

.shape-yellow {
  grid-column: span 2;
  background: var(--yellow);
  border-radius: 999px 999px 8px 8px;
}

.shape-blue {
  background: var(--blue);
  border-radius: 8px 8px 8px 999px;
}

.shape-lavender {
  background: var(--lavender);
  border-radius: 8px 999px 8px 8px;
}

.exhibit-section,
.news-section {
  background: #ffffff;
}

.split-heading,
.exhibit-heading {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  margin-bottom: 42px;
}

.exhibit-heading h2 {
  max-width: 900px;
  font-size: clamp(2rem, 3.6vw, 4rem);
}

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

.feature-list article {
  display: grid;
  grid-template-columns: 92px minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: center;
  min-height: 132px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.feature-list article:hover {
  background: rgba(242, 182, 50, 0.12);
  transform: translateX(6px);
}

.feature-list span {
  display: grid;
  width: 58px;
  aspect-ratio: 1;
  place-items: center;
  color: #ffffff;
  background: var(--blue);
  border-radius: 50% 50% 8px 50%;
  font-weight: 900;
}

.feature-list article:nth-child(2) span {
  color: var(--ink);
  background: var(--yellow);
}

.feature-list article:nth-child(3) span {
  background: var(--red);
}

.feature-list article:nth-child(4) span {
  color: var(--ink);
  background: var(--green);
}

.feature-list article:nth-child(5) span {
  color: var(--ink);
  background: var(--lavender);
}

.feature-list p {
  margin: 0;
  color: rgba(26, 15, 15, 0.68);
  font-weight: 700;
}

.categories-section {
  background: var(--gray);
}

.category-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 58px;
  align-items: start;
}

.category-layout h2 {
  margin-top: 20px;
  font-size: clamp(2.1rem, 3.8vw, 3.9rem);
}

.category-list {
  display: grid;
  gap: 12px;
}

.category-list article {
  display: grid;
  grid-template-columns: minmax(190px, 0.55fr) 1fr;
  gap: 24px;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #ffffff;
}

.category-list article:nth-child(2) {
  background: var(--yellow);
}

.category-list article:nth-child(3) {
  background: var(--blue);
}

.category-list article:nth-child(3) h3,
.category-list article:nth-child(3) p {
  color: #ffffff;
}

.category-list article:nth-child(4) {
  background: var(--lavender);
}

.category-list p {
  margin: 0;
  font-weight: 800;
}

.data-section {
  padding: clamp(78px, 10vw, 130px) 0;
  color: #ffffff;
  background: var(--blue);
}

.data-heading {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 44px;
  margin-bottom: 42px;
}

.data-heading h2,
.data-section .section-label {
  color: #ffffff;
}

.data-heading h2 {
  max-width: 760px;
  font-size: clamp(2rem, 3.5vw, 3.9rem);
}

.data-section .section-label::before {
  background: #ffffff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stats-grid article {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.08);
}

.stats-grid article:nth-child(2) {
  background: var(--red);
}

.stats-grid article:nth-child(3) {
  background: var(--yellow);
  color: var(--ink);
}

.stats-grid article:nth-child(4) {
  background: var(--green);
  color: var(--ink);
}

.stats-grid strong {
  display: block;
  font-size: clamp(2.05rem, 3.45vw, 3.75rem);
  font-weight: 800;
  line-height: 1;
}

.stats-grid article > span:last-child {
  display: block;
  margin-top: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.visit-section {
  background: #ffffff;
}

.visit-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 58px;
  align-items: center;
}

.kv-card {
  overflow: hidden;
  border-radius: var(--radius-section);
  background: var(--blue);
}

.kv-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: 68% center;
}

.visit-layout h2 {
  margin-top: 20px;
  font-size: clamp(2.3rem, 4.5vw, 4.8rem);
}

.visit-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 30px 0 34px;
  list-style: none;
}

.visit-list li {
  padding: 16px 18px;
  border-radius: var(--radius-card);
  background: var(--gray);
  font-weight: 900;
}

.visit-list li:nth-child(2) {
  background: var(--lavender);
}

.visit-list li:nth-child(3) {
  background: var(--yellow);
}

.visit-list li:nth-child(4) {
  color: #ffffff;
  background: var(--blue);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.news-grid article {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--gray);
}

.news-grid time {
  color: var(--red);
  font-weight: 900;
}

.news-grid h3 {
  margin-top: 24px;
}

.news-grid p {
  margin: 22px 0 0;
  font-weight: 700;
}

.organizers-section {
  background: var(--gray);
}

.organizer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(360px, 1.25fr);
  gap: 58px;
  align-items: start;
}

.organizer-layout h2 {
  margin-top: 20px;
  font-size: clamp(2.05rem, 3.8vw, 4rem);
}

.section-kicker {
  margin: 14px 0 0;
  color: rgba(26, 15, 15, 0.62);
  font-size: 1rem;
  font-weight: 900;
}

.organizer-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.organizer-wall span {
  display: flex;
  min-height: 138px;
  align-items: flex-end;
  padding: 20px;
  border: 1px solid rgba(26, 15, 15, 0.18);
  border-radius: var(--radius-card);
  background: #ffffff;
  box-shadow: 8px 8px 0 rgba(26, 15, 15, 0.05);
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  font-weight: 900;
  line-height: 1.18;
}

.organizer-wall span:first-child {
  grid-column: span 2;
  color: #ffffff;
  background: var(--blue);
}

.organizer-wall span:nth-child(3) {
  background: var(--yellow);
}

.organizer-wall span:nth-child(5) {
  color: #ffffff;
  background: var(--red);
}

.site-footer {
  padding: 30px 0;
  color: #ffffff;
  background: var(--ink);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand .brand-mark {
  background: #ffffff;
  color: var(--blue);
}

.footer-layout p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  font-weight: 700;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
  }

  .nav-toggle {
    display: grid;
    justify-self: end;
    order: 3;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    justify-items: start;
    padding: 18px 24px 22px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    visibility: hidden;
    transition:
      transform 200ms ease,
      visibility 200ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    width: 100%;
    padding: 13px 0;
  }

  .site-nav a::after {
    display: none;
  }

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

@media (max-width: 900px) {
  :root {
    --header-height: 70px;
  }

  .section-shell {
    width: min(100% - 32px, var(--max-width));
  }

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

  .hero-copy {
    min-width: 0;
    min-height: 56svh;
    padding: 52px 24px;
  }

  .hero-visual {
    flex-basis: auto;
    min-height: auto;
    padding: 18px 16px 34px;
  }

  .hero-visual img {
    width: 100%;
    height: auto;
    max-height: none;
    object-position: center;
  }

  .intro-grid,
  .editorial-grid,
  .split-heading,
  .exhibit-heading,
  .category-layout,
  .data-heading,
  .visit-layout,
  .organizer-layout {
    grid-template-columns: 1fr;
  }

  .feature-list article {
    grid-template-columns: 74px 1fr;
    gap: 18px;
  }

  .feature-list p {
    grid-column: 2;
  }

  .shape-stack {
    max-width: 360px;
  }

  .category-list article {
    grid-template-columns: 1fr;
  }

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

  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .site-header {
    grid-template-columns: auto auto;
    padding-inline: 16px;
  }

  .brand-mark {
    width: 40px;
  }

  .brand-text strong {
    font-size: 0.9rem;
  }

  .brand-text small {
    font-size: 0.7rem;
  }

  .hero-year {
    font-size: clamp(3.5rem, 18vw, 5.6rem);
  }

  .hero h1 {
    font-size: clamp(2.65rem, 13.5vw, 4.7rem);
  }

  .hero-meta div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .stats-grid,
  .news-grid,
  .organizer-wall {
    grid-template-columns: 1fr;
  }

  .feature-list article {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 24px 0;
  }

  .feature-list p {
    grid-column: auto;
  }

  .organizer-wall span:first-child {
    grid-column: auto;
  }

  .stats-grid article {
    min-height: 150px;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
