:root {
  color-scheme: dark;
  --bg: #15110c;
  --wall: #ede4d2;
  --wall-deep: #cdbf9f;
  --ink: #231a12;
  --cream: #fff8e8;
  --muted: #6f6253;
  --night: #0e0c0a;
  --gold: #c99b43;
  --line: rgba(35, 26, 18, 0.18);
  --shadow: rgba(26, 16, 8, 0.28);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-body);
  background:
    linear-gradient(90deg, rgba(59, 42, 26, .16) 0 1px, transparent 1px 12vw),
    radial-gradient(circle at 50% -18rem, rgba(255, 245, 210, .95), transparent 36rem),
    linear-gradient(180deg, #f2eadb 0%, #ddcfb7 48%, #c8b28d 100%);
  color: var(--ink);
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -3;
}

body::before {
  background:
    linear-gradient(90deg, rgba(45, 32, 19, .08) 0 1px, transparent 1px),
    linear-gradient(rgba(45, 32, 19, .06) 0 1px, transparent 1px);
  background-size: 112px 112px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

body::after {
  background: linear-gradient(90deg, rgba(56, 34, 17, .16), transparent 17%, transparent 83%, rgba(56, 34, 17, .16));
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--night);
  color: var(--cream);
  text-decoration: none;
  font-weight: 800;
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.wall-glow {
  position: fixed;
  inset: -20vmax;
  z-index: -4;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 22%, hsla(42, 84%, 68%, .48), transparent 24rem),
    radial-gradient(circle at 82% 18%, hsla(188, 58%, 63%, .22), transparent 26rem),
    radial-gradient(circle at 54% 90%, hsla(12, 72%, 52%, .18), transparent 30rem);
  filter: blur(28px) saturate(120%);
  animation: wall-breathe 18s ease-in-out infinite alternate;
}

.dust {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: .18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.68' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

@keyframes wall-breathe {
  from { transform: translate3d(-1%, -1%, 0) rotate(-2deg) scale(1); }
  to { transform: translate3d(2%, 1%, 0) rotate(3deg) scale(1.04); }
}

.site-header,
.site-footer,
.hero,
.gallery-shell,
.visit-notes {
  width: min(1220px, calc(100% - 36px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 22px 0;
}

.brand,
.header-nav a,
.site-footer a {
  color: var(--ink);
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
}

.brand__seal {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(35, 26, 18, .32);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, #fff7df, #c1933f 54%, #5e3716);
  color: #221309;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(78, 50, 18, .22), inset 0 1px 0 rgba(255,255,255,.5);
}

.brand strong { display: block; font-weight: 900; letter-spacing: -.04em; }
.brand small { display: block; margin-top: .1rem; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; }

.header-nav {
  display: inline-flex;
  gap: .45rem;
  padding: .28rem;
  border: 1px solid rgba(35, 26, 18, .16);
  border-radius: 999px;
  background: rgba(255, 248, 232, .38);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.62), 0 12px 28px rgba(45, 32, 20, .08);
  backdrop-filter: blur(14px);
}

.header-nav a {
  border-radius: 999px;
  padding: .68rem .9rem;
  font-size: .86rem;
  font-weight: 800;
}
.header-nav a:hover,
.header-nav a:focus-visible { background: var(--night); color: var(--cream); outline: none; }

.hero {
  position: relative;
  padding: clamp(3.2rem, 8vw, 7rem) 0 clamp(2.2rem, 5vw, 4.5rem);
}

.hero::before {
  content: '';
  position: absolute;
  left: clamp(1rem, 8vw, 7rem);
  top: 1.5rem;
  width: min(54vw, 640px);
  height: 70%;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(255, 249, 225, .84), transparent 68%);
  filter: blur(6px);
  transform: skewX(-7deg);
  z-index: -1;
}

.eyebrow {
  margin: 0 0 .9rem;
  color: #805b22;
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
}

h1,
.gallery-heading h2,
.visit-notes h2,
.lightbox__text h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.055em;
  color: #25160c;
  text-wrap: balance;
}

h1 {
  max-width: 1060px;
  font-size: clamp(4.2rem, 13vw, 12rem);
  line-height: .78;
}

.hero__intro {
  max-width: 690px;
  margin: 1.35rem 0 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.24rem);
  line-height: 1.75;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
}

.hero__meta span {
  padding: .56rem .78rem;
  border: 1px solid rgba(35, 26, 18, .14);
  border-radius: 999px;
  background: rgba(255, 248, 232, .44);
  color: #4b3929;
  font-size: .82rem;
  font-weight: 800;
}

.gallery-shell { padding: 1rem 0 5rem; }
.gallery-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 1rem 2rem;
  align-items: end;
  margin-bottom: 2rem;
}
.gallery-heading .eyebrow { grid-column: 1 / -1; }
.gallery-heading h2 { font-size: clamp(2.8rem, 7vw, 6.5rem); line-height: .86; }
.gallery-heading p:not(.eyebrow) { margin: 0; color: var(--muted); line-height: 1.7; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(18px, 2vw, 30px);
  align-items: start;
  perspective: 1200px;
}

.art-card {
  --accent: hsl(var(--hue) 78% 50%);
  grid-column: span 4;
  position: relative;
  min-height: 520px;
  opacity: 0;
  transform: translateY(34px) rotateX(5deg);
  animation: artwork-arrive .9s cubic-bezier(.18,.85,.18,1) forwards;
  animation-delay: var(--delay);
}

.art-card--hero { grid-column: span 5; min-height: 650px; }
.art-card--wide { grid-column: span 8; }
.art-card--tall { grid-column: span 4; min-height: 690px; }

@keyframes artwork-arrive {
  to { opacity: 1; transform: translateY(0) rotateX(0); }
}

.art-card::before {
  content: '';
  position: absolute;
  left: 12%;
  right: 12%;
  top: -10px;
  height: 170px;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 251, 224, .76), rgba(255, 238, 174, .16) 44%, transparent 72%);
  filter: blur(8px);
  transform: translateY(var(--spot-y, 0)) scaleX(.92);
  opacity: .82;
  transition: opacity .35s ease, transform .35s ease;
}

.art-card::after {
  content: '';
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 80px;
  height: 20px;
  border-radius: 50%;
  background: rgba(51, 33, 18, .28);
  filter: blur(18px);
  z-index: -1;
  transition: transform .45s ease, opacity .45s ease;
}

.art-card__button {
  width: 100%;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: zoom-in;
}

.art-card__button:focus-visible { outline: none; }
.art-card__button:focus-visible .frame {
  outline: 4px solid rgba(28, 94, 125, .5);
  outline-offset: 7px;
}

.frame {
  position: relative;
  display: block;
  width: 100%;
  flex: 1;
  min-height: 390px;
  padding: clamp(16px, 2.1vw, 28px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.55), rgba(255,255,255,0) 18% 82%, rgba(0,0,0,.22)),
    linear-gradient(135deg, #9b6a30, #e2bc6e 28%, #5b3517 58%, #b98b42);
  box-shadow:
    0 28px 50px var(--shadow),
    inset 0 0 0 1px rgba(255,255,255,.38),
    inset 0 0 0 9px rgba(41, 24, 12, .34);
  transform: translateZ(0) rotate(var(--rotation, 0deg));
  transform-origin: 50% 8%;
  transition: transform .55s cubic-bezier(.18,.8,.18,1), box-shadow .55s ease, filter .55s ease;
}

.art-card:nth-child(2n) .frame { --rotation: .75deg; }
.art-card:nth-child(3n) .frame { --rotation: -.7deg; }
.frame--black { background: linear-gradient(135deg, #3b332b, #0f0d0b 48%, #675744); }
.frame--gold { background: linear-gradient(135deg, #6b4514, #f0ce7a 25%, #7f5519 52%, #2f1d09); }
.frame--cool { background: linear-gradient(135deg, #53616b, #d8e0da 24%, #293139 58%, #8a9b9c); }
.frame--walnut { background: linear-gradient(135deg, #4c2513, #b67a3b 23%, #281208 55%, #7b4321); }

.mat {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  padding: clamp(16px, 2vw, 30px);
  border: 1px solid rgba(35, 26, 18, .18);
  background:
    linear-gradient(135deg, rgba(255,255,255,.62), transparent 26%),
    #f7efdc;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.65), inset 0 0 30px rgba(79, 53, 29, .12);
}

.mat::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(35, 26, 18, .12);
  pointer-events: none;
}

.art-card__visual {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 330px;
  overflow: hidden;
  isolation: isolate;
  background-color: #111;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 12px 36px rgba(33, 21, 10, .22);
  transition: transform .65s cubic-bezier(.18,.8,.18,1), filter .65s ease;
}

.art-card--hero .art-card__visual,
.art-card--tall .art-card__visual { min-height: 485px; }
.art-card--wide .art-card__visual { min-height: 360px; }

.art-card__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--mx, 50%) var(--my, 36%), rgba(255,255,255,.26), transparent 21%),
    linear-gradient(120deg, rgba(255,255,255,.18), transparent 35% 68%, rgba(255,255,255,.08));
  mix-blend-mode: screen;
  opacity: .62;
  transition: opacity .3s ease;
}

.art-card:hover::before,
.art-card:focus-within::before { opacity: 1; transform: translateY(-8px) scaleX(1.1); }
.art-card:hover::after,
.art-card:focus-within::after { transform: translateY(12px) scaleX(1.1); opacity: .55; }
.art-card:hover .frame,
.art-card:focus-within .frame {
  transform: translateY(-9px) rotate(0deg) rotateX(2deg);
  box-shadow: 0 38px 68px rgba(49, 31, 15, .34), inset 0 0 0 1px rgba(255,255,255,.42), inset 0 0 0 9px rgba(41, 24, 12, .32);
}
.art-card:hover .art-card__visual,
.art-card:focus-within .art-card__visual { transform: scale(1.025); filter: saturate(115%) contrast(108%); }

.museum-label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .2rem .65rem;
  align-items: baseline;
  width: min(92%, 380px);
  margin: .45rem auto 0;
  padding: .85rem .95rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 250, 237, .72);
  box-shadow: 0 10px 22px rgba(47, 32, 18, .08), inset 0 1px 0 rgba(255,255,255,.8);
}

.label-index {
  grid-row: span 2;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .1em;
}
.museum-label strong {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.4vw, 2.35rem);
  line-height: .88;
  letter-spacing: -.05em;
}
.museum-label span:last-child { color: var(--muted); font-size: .9rem; line-height: 1.45; }

.visual--orbit {
  background:
    repeating-radial-gradient(circle at 52% 47%, transparent 0 25px, rgba(255,255,255,.16) 26px 28px),
    radial-gradient(circle at 50% 45%, hsl(188 91% 58%), transparent 34%),
    linear-gradient(135deg, #071517, #121b22 58%, #03090c);
  animation: slow-spin 18s linear infinite;
}
.visual--ribbon {
  background:
    conic-gradient(from 120deg at 44% 50%, transparent, hsl(318 92% 61%), transparent 38%),
    radial-gradient(circle at 70% 30%, rgba(255,255,255,.86), transparent 10rem),
    #160714;
  animation: hue-wobble 9s ease-in-out infinite alternate;
}
.visual--sun {
  background:
    repeating-conic-gradient(from 18deg, rgba(0,0,0,.36) 0 8deg, transparent 8deg 16deg),
    radial-gradient(circle at 50% 46%, hsl(42 96% 58%) 0 18%, transparent 19%),
    radial-gradient(circle at 50% 46%, hsl(12 88% 52%), #1b0d06 58%);
  animation: slow-spin 30s linear infinite reverse;
}
.visual--grid {
  background:
    linear-gradient(120deg, rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(30deg, rgba(255,255,255,.11) 1px, transparent 1px),
    radial-gradient(circle at 72% 40%, hsl(255 92% 65%), transparent 23rem),
    #080712;
  background-size: 34px 34px, 46px 46px, auto, auto;
  animation: grid-slide 7s linear infinite;
}
.visual--cells {
  background:
    radial-gradient(circle at 22% 28%, hsl(145 75% 49%) 0 10%, transparent 11%),
    radial-gradient(circle at 74% 34%, hsl(188 76% 54%) 0 12%, transparent 13%),
    radial-gradient(circle at 50% 70%, hsl(102 72% 48%) 0 15%, transparent 16%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 2px, transparent 2px 15px),
    #07120e;
  animation: float-cells 7s ease-in-out infinite alternate;
}
.visual--ember {
  background:
    linear-gradient(180deg, transparent 0 12%, rgba(255,255,255,.16) 12% 13%, transparent 13% 28%, rgba(255,255,255,.12) 28% 29%, transparent 29%),
    radial-gradient(circle at 45% 62%, hsl(12 88% 55%), transparent 20rem),
    linear-gradient(135deg, #190604, #2d0c06 48%, #060101);
  animation: ember-lift 5s ease-in-out infinite alternate;
}

@keyframes slow-spin { to { transform: rotate(360deg) scale(1.12); } }
@keyframes hue-wobble { to { filter: hue-rotate(36deg) saturate(150%); } }
@keyframes grid-slide { to { background-position: 68px 0, -92px 46px, 0 0, 0 0; } }
@keyframes float-cells { to { transform: translate3d(3%, -3%, 0) scale(1.08); } }
@keyframes ember-lift { to { transform: translateY(-4%) scale(1.08); } }

.visit-notes {
  margin-bottom: 4rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid rgba(35, 26, 18, .14);
  background: rgba(255, 248, 232, .42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.62), 0 24px 60px rgba(45, 32, 18, .09);
}
.visit-notes h2 { max-width: 850px; font-size: clamp(2.4rem, 6vw, 5.4rem); line-height: .9; }
.visit-notes p:last-child { max-width: 830px; color: var(--muted); line-height: 1.8; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(15, 11, 7, .78);
  backdrop-filter: blur(18px);
}
.lightbox[hidden] { display: none; }
.lightbox__panel {
  width: min(1040px, 100%);
  max-height: min(850px, calc(100vh - 44px));
  overflow: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 0;
  border: 1px solid rgba(255, 248, 232, .26);
  background: linear-gradient(135deg, #f5eddb, #d7c7a9);
  box-shadow: 0 50px 130px rgba(0,0,0,.55);
}
.lightbox__stage {
  min-height: 62vh;
  padding: clamp(20px, 4vw, 46px);
  background:
    radial-gradient(circle at 50% 0%, rgba(255,251,224,.68), transparent 52%),
    linear-gradient(180deg, #2a2016, #100d0a);
}
.lightbox__stage .frame { height: 100%; min-height: 56vh; cursor: default; }
.lightbox__stage .art-card__visual { min-height: 48vh; }
.lightbox__text { padding: clamp(1.3rem, 4vw, 2.6rem); align-self: end; }
.lightbox__text h2 { font-size: clamp(3.2rem, 8vw, 6.8rem); line-height: .8; }
.lightbox__description { color: var(--muted); line-height: 1.7; font-size: 1.05rem; }
.lightbox__meta { margin-top: 1.25rem; color: #805b22; font-size: .82rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.lightbox__close {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 2;
  width: 50px;
  height: 50px;
  border: 1px solid rgba(255, 248, 232, .26);
  border-radius: 50%;
  background: rgba(255, 248, 232, .12);
  color: var(--cream);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox__close:hover,
.lightbox__close:focus-visible { background: var(--cream); color: var(--night); outline: none; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 2.4rem;
  color: var(--muted);
  border-top: 1px solid rgba(35, 26, 18, .18);
}
.site-footer p { margin: 0; }
.site-footer a { font-weight: 900; }
.site-footer a:hover,
.site-footer a:focus-visible { text-decoration: underline; outline: none; }

@media (max-width: 980px) {
  .gallery-heading { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(6, 1fr); }
  .art-card, .art-card--hero, .art-card--wide, .art-card--tall { grid-column: span 3; min-height: 560px; }
  .lightbox__panel { grid-template-columns: 1fr; }
  .lightbox__stage { min-height: 48vh; }
}

@media (max-width: 680px) {
  .site-header, .site-footer, .hero, .gallery-shell, .visit-notes { width: min(100% - 24px, 1220px); }
  .site-header { align-items: flex-start; }
  .brand small { display: none; }
  .header-nav { flex-shrink: 0; }
  .header-nav a { padding: .58rem .7rem; }
  h1 { font-size: clamp(3.5rem, 18vw, 6.6rem); }
  .hero__intro { margin-left: 0; }
  .gallery-grid {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: .5rem .4rem 1.25rem;
    margin-inline: -.4rem;
    -webkit-overflow-scrolling: touch;
  }
  .art-card, .art-card--hero, .art-card--wide, .art-card--tall {
    min-width: 84vw;
    min-height: 560px;
    scroll-snap-align: center;
  }
  .frame { min-height: 380px; }
  .art-card__visual, .art-card--hero .art-card__visual, .art-card--tall .art-card__visual, .art-card--wide .art-card__visual { min-height: 320px; }
  .museum-label { width: 96%; }
  .site-footer { flex-direction: column; }
  .lightbox { padding: 12px; }
  .lightbox__panel { max-height: calc(100vh - 24px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}