/* ============================================================
   ATRIUM — Events page
   Same editorial system as the About page: small type, open
   space, a centred flyer with text either side, and a drifting
   strip of past flyers that opens into a full-screen viewer.
   ============================================================ */
:root{
  --deep:#001c24;
  --deeper:#00141a;
  --mint:#9fd3af;
  --paper:#eaf3ec;
  --muted:rgba(234,243,236,.58);
  --rule:rgba(159,211,175,.2);
  --gut:clamp(20px,5vw,84px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --display:"owners-xwide","Helvetica Neue",Arial,sans-serif;
  --body:"owners-wide","Helvetica Neue",Arial,sans-serif;
  --small:clamp(11px,.86vw,13px);
}
*{box-sizing:border-box}
html{background:var(--deep);color:var(--paper);font-family:var(--body);-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--deep);overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit}
::selection{background:var(--mint);color:var(--deep)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.events-page::before,.events-page::after{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
}
/* Two quiet layers: the dark grain the homepage uses, then a fibre-paper scan
   rebalanced around mid-grey so it adds texture without shifting the navy.
   Raise either opacity for more texture. */
.events-page::before{background:url('img/texture-grain.jpg') center/cover no-repeat;opacity:.1;mix-blend-mode:luminosity}
.events-page::after{background:url('img/texture-paper-fiber.jpg') center/cover no-repeat;opacity:var(--paper-opacity,.5);mix-blend-mode:soft-light}
.events-page .site-header{position:fixed;top:0;left:0;right:0;background:linear-gradient(var(--deep),rgba(0,28,36,0))}
.events-main{position:relative;z-index:1}

.copy{margin:0;color:var(--paper);font-size:var(--small);line-height:1.6;letter-spacing:.02em;text-transform:uppercase}
.copy--muted{color:var(--muted)}
.tag{margin:0;color:var(--mint);font-size:var(--small);font-weight:700;letter-spacing:.06em;line-height:1.4;text-transform:uppercase}
.heading{margin:0;color:var(--paper);font-family:var(--display);font-size:clamp(20px,1.9vw,28px);font-weight:700;line-height:1;text-transform:uppercase}

/* ---------- UP NEXT: title left, flyer centre, details right ---------- */
.next{
  display:grid;grid-template-columns:1fr minmax(0,440px) 1fr;gap:clamp(24px,3vw,56px);
  align-items:start;padding:clamp(150px,22vh,230px) var(--gut) clamp(110px,14vw,200px);
}
.next__title{justify-self:end;text-align:right;position:sticky;top:120px}
.next__title .heading{color:var(--mint)}

.next__art{position:relative;z-index:2;display:block;aspect-ratio:3/4;overflow:hidden;background:var(--deeper)}
.next__art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .25s ease,transform .9s var(--ease)}
.next__art .img-alt{opacity:0}
.next__art:hover .img-alt,.next__art:focus-visible .img-alt{opacity:1}
.next__art:hover img,.next__art:focus-visible img{transform:scale(1.015)}
.next__art{cursor:none}
@media(hover:none){.next__art{cursor:pointer}}

.next__info{align-self:center;max-width:260px}
.details{margin:0;display:grid;gap:14px}
.details div{display:grid;gap:3px}
.details dt{color:var(--mint);font-size:var(--small);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.details dd{margin:0;color:var(--paper);font-size:var(--small);letter-spacing:.02em;line-height:1.5;text-transform:uppercase}
/* Blurred placeholder text for details that aren't public yet.
   The words underneath are dummies, so nothing real can be read out. */
.blurred{display:inline-block;filter:blur(5px);opacity:.85;user-select:none;-webkit-user-select:none;pointer-events:none}
.next__info .copy{margin-top:26px}
.btn{
  display:inline-flex;align-items:center;gap:12px;margin-top:26px;padding:12px 16px;
  background:var(--mint);color:var(--deep);font-size:var(--small);font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  transition:background .3s ease;
}
.btn span{transition:transform .3s var(--ease)}
.btn:hover,.btn:focus-visible{background:var(--paper);outline:0}
.btn:hover span,.btn:focus-visible span{transform:translateX(4px)}

/* Hovering the flyer: everything else on the page blurs back. */
.site-header,.next__title,.next__info,.archive,.events-page footer.site-footer{transition:filter .35s ease,opacity .35s ease}
.is-art-focus .site-header,.is-art-focus .next__title,.is-art-focus .next__info,.is-art-focus .archive,.is-art-focus footer.site-footer{filter:blur(8px);opacity:.4}

.cursor-tag{
  position:fixed;left:0;top:0;z-index:90;padding:9px 12px;background:var(--mint);color:var(--deep);
  font-size:var(--small);font-weight:700;letter-spacing:.06em;line-height:1.2;text-transform:uppercase;white-space:nowrap;
  pointer-events:none;opacity:0;transform:translate3d(-999px,-999px,0);transition:opacity .15s ease;
}
.cursor-tag.is-on{opacity:1}

/* ---------- PAST EVENTS: drifting strip of flyers ---------- */
.archive{padding-bottom:clamp(110px,14vw,200px)}
.archive__head{padding:0 var(--gut);margin-bottom:clamp(28px,3vw,44px)}
.strip{overflow:hidden;cursor:grab;touch-action:pan-y}
.strip.is-dragging{cursor:grabbing}
.strip.is-dragging .flyer{pointer-events:none}
.strip__track{display:flex;gap:16px;width:max-content;margin:0;padding:0;list-style:none;will-change:transform}
.flyer{flex:0 0 auto;width:clamp(220px,22vw,330px)}
.flyer__open{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}
.strip.is-dragging .flyer__open{cursor:grabbing}
.flyer__img{aspect-ratio:4/5;overflow:hidden;background:var(--deeper)}
.flyer__img img{width:100%;height:100%;object-fit:cover;object-position:center top;pointer-events:none;user-select:none;-webkit-user-drag:none;transition:transform .8s var(--ease),filter .4s ease}
.flyer__open:hover img,.flyer__open:focus-visible img{transform:scale(1.025)}
.flyer__open:focus-visible{outline:1px solid var(--mint);outline-offset:3px}
.flyer__cap{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-top:12px}
.flyer__cap strong{min-width:0;color:var(--paper);font-size:var(--small);font-weight:700;letter-spacing:.04em;line-height:1.35;text-transform:uppercase}
.flyer__cap time{flex:0 0 auto;color:var(--mint);font-size:var(--small);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.flyer__venue{margin:4px 0 0;color:var(--muted);font-size:var(--small);letter-spacing:.02em;text-transform:uppercase}

/* ---------- VIEWER (full-screen flyer) ---------- */
.viewer{
  position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;margin:0;padding:0;border:0;
  background:rgba(0,16,21,.985);color:var(--paper);overflow:hidden;
}
.viewer::backdrop{background:rgba(0,16,21,.6)}
.viewer[open]{display:grid;grid-template-rows:auto 1fr auto;animation:viewer-in .35s var(--ease)}
@keyframes viewer-in{from{opacity:0}to{opacity:1}}
.viewer__top{display:flex;justify-content:flex-end;padding:20px var(--gut)}
.viewer__close{padding:10px 0;border:0;background:none;color:var(--mint);font-size:var(--small);font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.viewer__close:hover,.viewer__close:focus-visible{color:var(--paper);outline:0}
.viewer__stage{position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;min-height:0;padding:0 var(--gut)}
.viewer__figure{display:grid;place-items:center;min-height:0;height:100%;margin:0}
.viewer__figure img{max-width:min(78vw,640px);max-height:calc(100svh - 210px);width:auto;height:auto;object-fit:contain}
.arrow{
  display:grid;place-items:center;width:46px;height:46px;padding:0;border:1px solid var(--rule);
  background:transparent;color:var(--mint);font-size:18px;line-height:1;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.arrow:hover,.arrow:focus-visible{background:var(--mint);border-color:var(--mint);color:var(--deep);outline:0}
.viewer__bottom{display:grid;grid-template-columns:1fr auto;align-items:end;gap:14px 30px;padding:20px var(--gut) 26px}
.viewer__bottom h3{margin:0;font-family:var(--display);font-size:clamp(15px,1.3vw,19px);font-weight:700;line-height:1.1;text-transform:uppercase}
.viewer__bottom p{margin:6px 0 0}
.viewer__link{color:var(--mint);font-size:var(--small);font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-bottom:1px solid var(--rule);padding-bottom:3px}
.viewer__link:hover,.viewer__link:focus-visible{border-color:var(--mint);outline:0}
body.viewer-open{overflow:hidden}

/* Footer: styled in footer.css (shared by every page). */

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .next{grid-template-columns:1fr;gap:20px;padding-top:130px}
  .next__title{position:static;justify-self:start;text-align:left}
  .next__art{width:min(100%,440px)}
  .next__info{align-self:start;max-width:440px;margin-top:10px}
  .flyer{width:min(64vw,280px)}
}
@media(max-width:620px){
  :root{--small:12px}
  .btn{width:100%;justify-content:space-between}
  .viewer__stage{grid-template-columns:1fr;padding:0 12px 64px}
  .viewer__stage .arrow{position:absolute;bottom:4px;z-index:3}
  .viewer__stage .arrow[data-viewer-prev]{left:16px}
  .viewer__stage .arrow[data-viewer-next]{right:16px}
  .viewer__figure img{max-width:calc(100vw - 48px);max-height:calc(100svh - 300px)}
  .viewer__bottom{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *,*::before{transition:none!important;animation:none!important}
}