/* GALLERY-01: ATLAS Designs, the gallery. A dark museum wall, gilt frames under soft spotlights, and a lightbox. Builds on /world.css. */
.gallery-page{background:radial-gradient(90% 50% at 50% -10%,rgba(126,168,255,.08),transparent 70%),linear-gradient(180deg,#07090f 0%,#0b1019 50%,#0d121c 100%) fixed,#07090f}
.navlink[aria-current=page]{color:var(--ink);border-color:var(--warm)}

/* the spotlights reach a little past the frames; clip them so the page never scrolls sideways */
.gallery-page main{overflow-x:hidden;overflow-x:clip}

/* hero */
.g-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);grid-template-areas:"head piece" "body piece";column-gap:clamp(28px,5vw,80px);align-items:center;padding-top:clamp(4px,2vw,24px);padding-bottom:clamp(40px,6vw,90px)}
.g-hero-head{grid-area:head;align-self:end}
.g-hero-piece{grid-area:piece}
.g-hero-body{grid-area:body;align-self:start}
.g-hero h1{font:400 clamp(2.4rem,4.8vw,4.6rem)/1.08 var(--serif);letter-spacing:-.045em;margin:20px 0 24px;text-wrap:balance}
.g-hero h1 em{color:var(--gold)}
.g-note{margin:18px 0 0;max-width:520px;font-size:.84rem;color:var(--muted)}
.g-rooms{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.g-rooms a{display:inline-flex;align-items:center;min-height:44px;padding:9px 16px;border:1px solid #3a4a66;border-radius:999px;text-decoration:none;font-weight:700;font-size:.78rem;letter-spacing:.03em}
.g-rooms a:hover{border-color:var(--warm);color:var(--warm)}

/* rooms */
.room{position:relative;padding:clamp(56px,8vw,110px) 0 clamp(20px,3vw,40px);border-top:1px solid #1a2233}
.room-head{width:min(1180px,100%);margin:0 auto clamp(30px,4vw,56px);padding:0 clamp(16px,4vw,40px);text-align:center}
.room-head h2,.g-end h2{font:400 clamp(2rem,3.8vw,3.4rem)/1.14 var(--serif);letter-spacing:-.04em;margin:14px 0 12px}
.room-lede{max-width:560px;margin:0 auto;color:#c9d3e3}
.wall{width:min(1260px,100%);margin:0 auto;padding:0 clamp(16px,4vw,40px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(48px,6vw,96px) clamp(28px,4vw,64px);align-items:start}
.wall-i{grid-template-columns:repeat(2,minmax(0,1fr))}

/* a framed piece under its own spotlight */
.piece{position:relative;margin:0;display:flex;flex-direction:column;align-items:center}
.piece::before{content:"";position:absolute;left:50%;top:-70px;width:130%;height:calc(100% + 120px);transform:translateX(-50%);pointer-events:none;z-index:0;
  background:radial-gradient(46% 38% at 50% 24%,rgba(255,226,170,.13),rgba(255,210,150,.04) 55%,transparent 72%)}
.frame{position:relative;z-index:1;display:block;width:100%;padding:clamp(8px,1.1vw,14px);border:0;border-radius:2px;cursor:zoom-in;color:inherit;font:inherit;
  background:linear-gradient(135deg,#8a6a33 0%,#e9d3a7 22%,#a8833f 45%,#f1dfb6 62%,#7d5d2a 100%);
  box-shadow:0 0 0 1px #3b2c12,0 2px 0 1px rgba(0,0,0,.4),0 34px 60px -24px rgba(0,0,0,.9),0 60px 120px -60px rgba(255,190,110,.28);
  transition:transform .35s ease,box-shadow .35s ease}
.mat{display:block;padding:clamp(10px,2vw,26px);background:#0e1320;box-shadow:inset 0 0 0 1px #2a2110,inset 0 6px 18px rgba(0,0,0,.65)}
.mat img{width:100%;height:auto;box-shadow:0 0 0 1px rgba(0,0,0,.6),0 2px 10px rgba(0,0,0,.5)}
.frame:hover{transform:translateY(-3px);box-shadow:0 0 0 1px #3b2c12,0 2px 0 1px rgba(0,0,0,.4),0 44px 70px -26px rgba(0,0,0,.95),0 70px 140px -60px rgba(255,190,110,.4)}
.frame:focus-visible{outline:3px solid #efbc68;outline-offset:6px}
.piece-portrait .frame{max-width:440px}
.wall>.piece:last-child:nth-child(odd){grid-column:1/-1}
.wall>.piece:last-child:nth-child(odd) .frame{max-width:min(100%,600px)}

/* museum placard */
.placard{position:relative;z-index:1;width:min(100%,520px);margin-top:26px;padding:16px 20px 18px;background:#141a26;border:1px solid #283349;border-radius:3px;box-shadow:0 10px 26px -14px rgba(0,0,0,.8)}
.placard-no{margin:0;color:var(--warm);font-size:.68rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase}
.placard-title{margin:6px 0 8px;font:400 clamp(1.15rem,1.6vw,1.35rem)/1.3 var(--serif);letter-spacing:-.02em;color:var(--ink)}
.placard-story{margin:0 0 10px;color:#cfd8e6;font-size:.94rem;line-height:1.65}
.placard-meta{margin:0 0 10px;color:var(--muted);font-size:.74rem;letter-spacing:.06em}
.placard-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--gold);font-weight:700;font-size:.86rem;text-decoration:none;border-bottom:1px solid transparent}
.placard-link:hover{color:var(--warm);border-color:currentColor}

.g-end{text-align:center;padding-top:clamp(60px,8vw,110px);padding-bottom:clamp(40px,6vw,80px);border-top:1px solid #1a2233}
.g-end .cta{justify-content:center}
.g-end .credit{margin:26px auto 0}

/* lightbox */
.lightbox{width:100vw;max-width:100vw;height:100vh;height:100dvh;max-height:100dvh;margin:0;padding:0;border:0;background:#05070b;color:var(--ink);overscroll-behavior:contain}
.lightbox::backdrop{background:rgba(4,6,10,.9)}
.lightbox[open]{display:flex}
.lb-inner{display:flex;flex-direction:column;width:100%;height:100%;padding:max(14px,env(safe-area-inset-top)) clamp(12px,3vw,40px) max(14px,env(safe-area-inset-bottom))}
.lb-figure{flex:1;min-height:0;margin:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,340px);gap:clamp(16px,3vw,40px);align-items:center}
.lb-stage{height:100%;min-height:0;display:flex;align-items:center;justify-content:center;touch-action:pan-y pinch-zoom}
.lb-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 0 0 1px #3b2c12,0 30px 80px -20px rgba(0,0,0,.9)}
.lb-cap{align-self:center}
.lb-ctrl{display:flex;align-items:center;gap:10px;padding-top:12px}
.lb-count{margin:0 auto 0 4px;font-size:.8rem;color:var(--muted);letter-spacing:.08em;order:0}
.lb-btn{min-width:48px;min-height:48px;padding:10px 16px;border:1px solid #3a4a66;border-radius:999px;background:transparent;color:var(--ink);font:700 .9rem var(--sans);cursor:pointer}
.lb-btn:hover{border-color:var(--warm);color:var(--warm)}
.lb-close{margin-left:auto}
.lb-ctrl [data-lb-prev]{order:1}.lb-ctrl [data-lb-next]{order:2}.lb-ctrl .lb-close{order:3;margin-left:6px}
.lb-stage img.is-in{animation:lb-in .35s ease}
@keyframes lb-in{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:none}}
body.lb-open{overflow:hidden}

@media(max-width:900px){
  .lb-figure{grid-template-columns:1fr;grid-template-rows:auto auto;align-content:center;gap:18px}
  .lb-stage{height:auto}
  .lb-stage img{max-height:min(62dvh,62vh)}
  .lb-cap .placard-story{font-size:.88rem;margin-bottom:4px}
  .lb-cap .placard-title{margin:2px 0 4px}
  .lb-cap .placard-link{min-height:40px}
}
@media(max-width:760px){
  .topnav{gap:14px}
  .mark span{font-size:.7rem}
  .g-hero{grid-template-columns:1fr;grid-template-areas:"head" "piece" "body";row-gap:0}
  .g-hero h1{font-size:clamp(2.2rem,10vw,2.8rem);margin:14px 0 22px}
  .g-hero-body{padding-top:30px}
  .g-hero .crumbs{display:none}
  .g-hero-piece .piece-portrait .frame{max-width:min(84vw,400px)}
  .wall,.wall-i{grid-template-columns:1fr}
  .piece::before{width:110%}
}
@media(max-height:560px) and (max-width:900px){.lb-cap .placard-story{display:none}}
@media(prefers-reduced-motion:reduce){.frame,.frame:hover{transition:none;transform:none}.lb-stage img.is-in{animation:none}}