/* Meridian Gallery: Edition XII, Interval
   Maximalist white cube, anti-grid layout, hover depth, drag rail. */

:root{
  --white: #F7F7F4;
  --ink: #111111;
  --cobalt: #1B36C9;
  --ink-70: rgba(17,17,17,0.7);
  --ink-45: rgba(17,17,17,0.45);
  --ink-15: rgba(17,17,17,0.15);
  --white-70: rgba(247,247,244,0.7);
  --white-15: rgba(247,247,244,0.15);
  --ease: cubic-bezier(0.22,1,0.36,1);
  --lines: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='4' height='1' y='0' fill='%23111111' fill-opacity='0.06'/%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

.preloader{ position:fixed; inset:0; z-index:9999; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:22px; background:var(--white); transition:opacity .5s var(--ease), visibility .5s var(--ease); }
.preloader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-mark{ color:var(--ink); font-family:'Syne', sans-serif; font-weight:800; text-transform:uppercase; letter-spacing:-.02em; opacity:0; animation:preloaderIn .6s var(--ease) forwards; }
.preloader-mark span{ color:var(--cobalt); }
.preloader-bar{ width:120px; height:2px; background:var(--ink-15); overflow:hidden; border-radius:2px; }
.preloader-bar-fill{ display:block; height:100%; width:0%; background:var(--cobalt); transition:width .25s var(--ease); }
@keyframes preloaderIn{ to{ opacity:1; } }
body.is-preloading{ overflow:hidden; }
@media (prefers-reduced-motion:reduce){ .preloader-mark{ animation:none; opacity:1; } }

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

body{
  background:var(--white);
  color:var(--ink);
  font-family:'Inter Tight', sans-serif;
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

.section-title, .hero-title, .brand-mark{
  font-family:'Syne', sans-serif;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:-0.02em;
}

/* ============ CURSOR ============ */
.cursor-view{
  position:fixed;
  top:0;left:0;
  width:88px;height:88px;
  border-radius:50%;
  background:var(--cobalt);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.08em;
  pointer-events:none;
  z-index:9999;
  opacity:0;
  transform:translate(-50%,-50%) scale(0.6);
  transition:opacity 220ms var(--ease), transform 220ms var(--ease);
  will-change:transform,opacity;
}
.cursor-view.active{
  opacity:1;
  transform:translate(-50%,-50%) scale(1);
}
@media (pointer: coarse){
  .cursor-view{display:none;}
}
@media (prefers-reduced-motion: reduce){
  .cursor-view{display:none;}
}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.6rem clamp(1.25rem, 4vw, 3rem);
  background:rgba(247,247,244,0.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-15);
}
.brand-mark{
  color:var(--ink);
  font-size:1rem;
  display:flex;
  flex-direction:column;
  line-height:1.02;
}
.brand-mark span{
  color:var(--ink-45);
  font-size:0.6em;
  letter-spacing:0.14em;
}
.site-nav{
  display:flex;
  gap:2rem;
}
.site-nav a{
  color:var(--ink);
  font-size:0.85rem;
  letter-spacing:0.02em;
  position:relative;
  padding-bottom:2px;
}
.site-nav a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--ink);
  transition:width 260ms var(--ease);
}
.site-nav a:hover::after{width:100%;}
.header-meta{
  font-family:'Space Mono', monospace;
  color:var(--ink-70);
  font-size:0.75rem;
  letter-spacing:0.08em;
}
@media (max-width: 768px){
  .site-nav{display:none;}
}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
}
.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-img{
  width:100%;height:100%;
  object-fit:cover;
  transform:scale(1.06);
  transition:transform 1400ms var(--ease);
}
.hero.loaded .hero-img{transform:scale(1);}
.hero-scrim{
  position:absolute;
  inset:0;
  background:rgba(17,17,17,0.42);
}
.hero-content{
  position:relative;
  z-index:1;
  width:100%;
  padding:8rem clamp(1.25rem, 4vw, 3rem) 4.5rem;
  color:var(--white);
}
.hero-eyebrow{
  font-family:'Space Mono', monospace;
  font-size:0.8rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  margin-bottom:0.75rem;
  opacity:0;
  transform:translateY(14px);
  animation:heroIn 800ms var(--ease) 200ms forwards;
}
.hero-title{
  font-size:clamp(4.5rem, 16vw, 12.5rem);
  line-height:0.86;
  color:var(--white);
  margin-bottom:2.25rem;
}
.hero-title .line{
  display:block;
  opacity:0;
  transform:translateY(40px);
  animation:heroIn 900ms var(--ease) forwards;
}
.hero-title .line:nth-child(1){animation-delay:340ms;}
.hero-title .line-accent{
  color:var(--cobalt);
  -webkit-text-stroke:2px var(--white);
  animation-delay:480ms;
}
@keyframes heroIn{
  to{opacity:1;transform:translateY(0);}
}
.hero-details{
  display:flex;
  flex-wrap:wrap;
  gap:2.5rem;
  margin-bottom:2.25rem;
  padding-top:1.75rem;
  border-top:1px solid var(--white-15);
  max-width:56rem;
}
.hero-detail{
  display:flex;
  flex-direction:column;
  gap:0.35rem;
}
.hd-label{
  font-family:'Space Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--white-70);
}
.hd-value{
  font-size:1rem;
  font-weight:600;
}
.hero-cta{
  display:inline-flex;
  align-items:center;
  gap:0.75rem;
  background:var(--cobalt);
  color:var(--white);
  padding:1rem 1.75rem;
  font-size:0.9rem;
  font-weight:600;
  letter-spacing:0.02em;
  box-shadow:0 18px 40px rgba(0,0,0,0.35);
  transition:transform 260ms var(--ease), box-shadow 260ms var(--ease);
}
.hero-cta svg{transition:transform 260ms var(--ease);}
.hero-cta:hover{
  transform:translateY(-3px);
  box-shadow:0 24px 50px rgba(0,0,0,0.4);
}
.hero-cta:hover svg{transform:translateY(3px);}
@media (prefers-reduced-motion: reduce){
  .hero-eyebrow,.hero-title .line{animation:none;opacity:1;transform:none;}
  .hero-img{transform:none;transition:none;}
}
@media (max-width: 768px){
  .hero-content{padding:7rem 1.25rem 3.5rem;}
  .hero-title{font-size:clamp(3.2rem, 15vw, 6rem);}
}

/* ============ SECTION SHELL ============ */
main > section{
  position:relative;
  padding:7rem clamp(1.25rem, 4vw, 3rem);
}
.section-title{
  font-size:clamp(2.75rem, 7vw, 5.5rem);
  line-height:0.92;
  color:var(--ink);
}
.section-title--light{color:var(--white);}

/* ============ EXHIBITION (anti-grid) ============ */
.exhibition{
  background:var(--white);
}
.exhibition-head{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:3rem;
  align-items:end;
  margin-bottom:5rem;
}
.exhibition-head > *{min-width:0;}
.exhibition-intro{
  font-size:1.15rem;
  line-height:1.65;
  color:var(--ink-70);
  max-width:34rem;
}

.artwork-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  grid-auto-rows:14px;
  gap:0;
  perspective:1400px;
}
.artwork-grid > .art-tile{min-width:0;}
.art-tile{
  position:relative;
  cursor:none;
  opacity:0;
  transform:translateY(50px);
  transition:opacity 700ms var(--ease), transform 700ms var(--ease);
}
.art-tile.in-view{opacity:1;transform:translateY(0);}

.art-tile-frame{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  box-shadow:0 30px 60px rgba(17,17,17,0.12);
  transition:box-shadow 420ms var(--ease), transform 420ms var(--ease);
  transform-style:preserve-3d;
}
.art-tile-frame img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 900ms var(--ease);
}
.art-tile:hover .art-tile-frame{
  box-shadow:0 46px 90px rgba(17,17,17,0.22);
}
.art-tile:hover .art-tile-frame img{
  transform:scale(1.08);
}
@media (hover: hover){
  .art-tile-frame{transform:translateZ(0) rotateX(var(--ry,0)) rotateY(var(--rx,0));}
}

.art-caption{
  display:flex;
  flex-direction:column;
  gap:0.25rem;
  padding-top:0.9rem;
  font-family:'Space Mono', monospace;
}
.caption-num{
  font-size:0.7rem;
  color:var(--cobalt);
  letter-spacing:0.08em;
}
.caption-title{
  font-size:0.85rem;
  color:var(--ink);
  font-weight:700;
}
.caption-meta{
  font-size:0.75rem;
  color:var(--ink-45);
}

/* explicit anti-grid placement */
.art-tile--a{ grid-column:1 / 7; grid-row:1 / 30; }
.art-tile--b{ grid-column:8 / 13; grid-row:6 / 27; margin-top:2rem; }
.art-tile--c{ grid-column:1 / 5; grid-row:33 / 55; }
.art-tile--d{ grid-column:6 / 9; grid-row:30 / 46; }
.art-tile--e{ grid-column:9 / 13; grid-row:31 / 60; margin-top:1.5rem; }
.art-tile--f{ grid-column:2 / 7; grid-row:58 / 80; }

.art-tile--a .art-tile-frame{aspect-ratio:4/5;}
.art-tile--b .art-tile-frame{aspect-ratio:3/4;}
.art-tile--c .art-tile-frame{aspect-ratio:1/1;}
.art-tile--d .art-tile-frame{aspect-ratio:4/3;}
.art-tile--e .art-tile-frame{aspect-ratio:3/4;}
.art-tile--f .art-tile-frame{aspect-ratio:16/9;}

@media (max-width: 1024px){
  .exhibition-head{grid-template-columns:1fr;}
  .artwork-grid{grid-template-columns:1fr;grid-auto-rows:auto;}
  .art-tile--a,.art-tile--b,.art-tile--c,.art-tile--d,.art-tile--e,.art-tile--f{
    grid-column:1;grid-row:auto;margin-top:0;
    margin-bottom:3.5rem;
  }
}

/* ============ ARTISTS ============ */
.artists{
  background:var(--ink);
  color:var(--white);
}
.artist-list{
  border-top:1px solid var(--white-15);
  margin-top:3.5rem;
}
.artist-row{
  display:grid;
  grid-template-columns:14rem 1fr 10rem;
  gap:2rem;
  align-items:start;
  padding:2.5rem 0;
  border-bottom:1px solid var(--white-15);
  opacity:0;
  transform:translateY(30px);
  transition:opacity 650ms var(--ease), transform 650ms var(--ease);
}
.artist-row > *{min-width:0;}
.artist-row.in-view{opacity:1;transform:translateY(0);}
.artist-name-col{
  display:flex;
  align-items:baseline;
  gap:1rem;
}
.artist-index{
  font-family:'Space Mono', monospace;
  font-size:0.85rem;
  color:var(--cobalt);
}
.artist-name{
  font-family:'Syne', sans-serif;
  font-weight:700;
  font-size:1.5rem;
  text-transform:uppercase;
}
.artist-bio{
  color:var(--white-70);
  font-size:1rem;
  line-height:1.65;
  max-width:42rem;
}
.artist-medium{
  font-family:'Space Mono', monospace;
  font-size:0.75rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--white-70);
  text-align:right;
  align-self:center;
}
@media (max-width: 768px){
  .artist-row{grid-template-columns:1fr;gap:0.75rem;}
  .artist-medium{text-align:left;}
}

/* ============ RAIL (drag scroll) ============ */
.rail-section{
  background:var(--white);
  padding-left:0;
  padding-right:0;
}
.rail-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  padding:0 clamp(1.25rem, 4vw, 3rem);
  margin-bottom:3rem;
}
.rail-hint{
  font-family:'Space Mono', monospace;
  font-size:0.78rem;
  color:var(--ink-45);
  letter-spacing:0.04em;
}
.rail-track-wrap{
  overflow-x:auto;
  overflow-y:hidden;
  scrollbar-width:none;
  cursor:grab;
  padding-bottom:0.5rem;
}
.rail-track-wrap.dragging{cursor:grabbing;}
.rail-track-wrap::-webkit-scrollbar{display:none;}
.rail-track{
  display:flex;
  gap:1.5rem;
  padding:0 clamp(1.25rem, 4vw, 3rem);
  width:max-content;
}
.rail-item{
  width:min(72vw, 420px);
  flex:0 0 auto;
  user-select:none;
}
.rail-item img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  box-shadow:0 24px 50px rgba(17,17,17,0.14);
  pointer-events:none;
}
.rail-caption{
  font-family:'Space Mono', monospace;
  font-size:0.75rem;
  color:var(--ink-70);
  padding-top:0.85rem;
}

/* ============ VISIT ============ */
.visit{
  background:var(--ink);
  color:var(--white);
}
.visit-grid{
  display:grid;
  grid-template-columns:1.2fr 0.9fr 1fr 1fr;
  gap:3rem;
}
.visit-grid > *{min-width:0;}
.visit-lead{
  color:var(--white-70);
  font-size:1.05rem;
  line-height:1.6;
  margin-top:1.5rem;
  max-width:26rem;
}
.visit-label{
  display:block;
  font-family:'Space Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--cobalt);
  margin-bottom:1rem;
}
.visit-list{
  display:flex;
  flex-direction:column;
  gap:0.85rem;
}
.visit-list li{
  display:flex;
  justify-content:space-between;
  font-size:0.95rem;
  padding-bottom:0.85rem;
  border-bottom:1px solid var(--white-15);
}
.visit-address{
  font-size:0.95rem;
  line-height:1.7;
  color:var(--white-70);
  margin-bottom:1.75rem;
}
.past-list{
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.past-list li{
  display:grid;
  grid-template-columns:2rem 1fr auto;
  gap:0.75rem;
  font-size:0.85rem;
  padding-bottom:0.85rem;
  border-bottom:1px solid var(--white-15);
}
.past-ed{
  font-family:'Space Mono', monospace;
  color:var(--cobalt);
}
.past-name{color:var(--white);}
.past-date{
  font-family:'Space Mono', monospace;
  color:var(--white-70);
}
@media (max-width: 1024px){
  .visit-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 640px){
  .visit-grid{grid-template-columns:1fr;}
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--white);
  padding:3rem clamp(1.25rem, 4vw, 3rem) 6rem;
  border-top:1px solid var(--ink-15);
}
.footer-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:2rem;
}
.brand-mark--footer{color:var(--ink);}
.brand-mark--footer span{color:var(--ink-45);}
.footer-back{
  font-family:'Space Mono', monospace;
  font-size:0.78rem;
  letter-spacing:0.04em;
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:0.5rem;
  font-family:'Space Mono', monospace;
  font-size:0.72rem;
  color:var(--ink-45);
}
@media (max-width: 640px){
  .footer-top{flex-direction:column;align-items:flex-start;gap:1rem;}
  .footer-bottom{flex-direction:column;}
}

/* ============ DEMO PILL ============ */
.demo-pill{
  position:fixed;
  bottom:1.25rem;
  left:1.25rem;
  z-index:200;
  background:var(--ink);
  color:var(--white);
  font-family:'Space Mono', monospace;
  font-size:0.68rem;
  letter-spacing:0.04em;
  padding:0.55rem 0.9rem;
  opacity:0.72;
  transition:opacity 200ms var(--ease);
}
.demo-pill:hover{opacity:1;}

/* ============ TILING LINE PATTERN (used instead of banned repeating-linear-gradient) ============ */
.exhibition::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background-image:var(--lines);
  background-size:4px 4px;
  opacity:0.5;
}