/* ═══════════════════════════════════════════════════════════════════
   THE RELICS — a museum of light · Nowill.co
   Direction 3 of 5 · footage-led faked-3D · gallery/exhibition grammar
   Fingerprint: Marcellus (lapidary display) + IBM Plex Mono (archival
   labels) + IBM Plex Sans (plaque body) · cold grade · teal signal
   ═══════════════════════════════════════════════════════════════════ */

:root{
  --bg:      #04070c;
  --bg-2:    #060c14;
  --ink:     #eaf6ff;
  --dim:     rgba(234,246,255,.60);
  --faint:   rgba(234,246,255,.34);
  --hair:    rgba(234,246,255,.12);
  --hair-2:  rgba(234,246,255,.07);
  --teal:    #0fb5ba;
  --teal-hi: #35e0e6;
  --glowc:   rgba(15,181,186,.35);
  --disp:    'Marcellus', 'Times New Roman', serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;
  --sans:    'IBM Plex Sans', system-ui, sans-serif;
  --grade:   saturate(.92) contrast(1.06) brightness(.94);
  --grade-cool: hue-rotate(-18deg) saturate(.85) contrast(1.06) brightness(.94);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:auto; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.loading{ overflow:hidden; }
img,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
.mono{ font-family:var(--mono); }
main{ position:relative; z-index:2; }

::selection{ background:rgba(15,181,186,.35); color:#fff; }

/* ── scrollbar, quiet ── */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:#03060a; }
::-webkit-scrollbar-thumb{ background:#12202e; border-radius:5px; }

/* ═════════ LOADER · acquisition plate ═════════ */
#loader{
  position:fixed; inset:0; z-index:100;
  background:radial-gradient(120% 90% at 50% 8%, #0a1522 0%, #04070c 55%, #020407 100%);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:18px; transition:opacity .9s ease, visibility .9s;
}
html.ready #loader{ opacity:0; visibility:hidden; pointer-events:none; }
.ld-mark{ width:88px; }
.ld-stroke{
  stroke-dasharray:420; stroke-dashoffset:420;
  animation:draw 1.8s ease forwards .15s;
}
.ld-dot{ opacity:0; animation:dotIn .5s ease forwards 1.7s; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes dotIn{ from{ opacity:0; transform:scale(.2); transform-origin:92px 25px; } to{ opacity:1; transform:scale(1); } }
.ld-title{ font-family:var(--disp); font-size:30px; letter-spacing:.42em; margin-left:.42em; }
.ld-sub{ font-size:10px; letter-spacing:.32em; color:var(--faint); }
.ld-bar{ width:180px; height:1px; background:var(--hair); margin-top:14px; }
.ld-bar i{ display:block; height:1px; width:0%; background:var(--teal); box-shadow:0 0 12px var(--glowc); transition:width .4s ease; }
.ld-pct{ font-size:10px; letter-spacing:.26em; color:var(--faint); }

/* ═════════ ATMOSPHERE GLUE ═════════ */
#grain{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:60; pointer-events:none; mix-blend-mode:overlay; opacity:.55;
}
#dust{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:55; pointer-events:none; opacity:.85;
}
#vignette{
  position:fixed; inset:0; z-index:58; pointer-events:none;
  background:
    radial-gradient(130% 100% at 50% 50%, transparent 52%, rgba(1,3,6,.55) 88%, rgba(0,1,3,.82) 100%),
    linear-gradient(to bottom, rgba(2,5,9,.5), transparent 12%, transparent 88%, rgba(2,5,9,.6));
}

/* ═════════ TOP BAR ═════════ */
#topbar{
  position:fixed; top:0; left:0; right:0; z-index:70;
  display:flex; justify-content:space-between; align-items:center;
  padding:20px 34px; transition:background .5s ease, backdrop-filter .5s ease;
}
#topbar.scrolled{
  background:linear-gradient(to bottom, rgba(3,6,11,.82), rgba(3,6,11,.55));
  backdrop-filter:blur(10px);
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:26px; filter:drop-shadow(0 0 6px rgba(15,181,186,.4)); }
.brand span{ font-family:var(--disp); font-size:15px; letter-spacing:.34em; }
.brand em{ font-style:normal; color:var(--teal); }
#topbar nav{ display:flex; gap:26px; align-items:center; }
#topbar nav a{
  font-size:10px; letter-spacing:.24em; color:var(--dim);
  padding:6px 0; border-bottom:1px solid transparent;
  transition:color .3s, border-color .3s;
}
#topbar nav a:hover{ color:var(--ink); border-color:var(--teal); }
#topbar nav a.cta{
  border:1px solid rgba(15,181,186,.5); padding:8px 16px; color:var(--ink);
  transition:background .3s, box-shadow .3s;
}
#topbar nav a.cta:hover{ background:rgba(15,181,186,.14); box-shadow:0 0 18px rgba(15,181,186,.25); }

/* ═════════ WAYFINDING RAIL ═════════ */
#rail{
  position:fixed; right:22px; top:50%; transform:translateY(-50%);
  z-index:70; display:flex; flex-direction:column; gap:16px;
}
#rail a{ display:flex; align-items:center; gap:8px; justify-content:flex-end; }
#rail a span{
  font-size:9px; letter-spacing:.2em; color:var(--faint);
  opacity:0; transform:translateX(4px); transition:opacity .3s, transform .3s;
}
#rail a i{
  width:6px; height:6px; border-radius:50%;
  background:transparent; border:1px solid var(--faint);
  transition:background .3s, box-shadow .3s, border-color .3s;
}
#rail a:hover span{ opacity:1; transform:none; }
#rail a.on i{ background:var(--teal); border-color:var(--teal); box-shadow:0 0 10px var(--glowc); }
#rail a.on span{ opacity:1; transform:none; color:var(--dim); }

/* ═════════ SHARED FURNITURE ═════════ */
.eyebrow{ font-size:10px; letter-spacing:.34em; color:var(--teal); }
.sec-head{ text-align:center; padding:0 24px; margin-bottom:70px; }
.sec-head h2{
  font-family:var(--disp); font-weight:400;
  font-size:clamp(30px, 4.6vw, 52px); letter-spacing:.04em; margin-top:18px;
}
.sec-sub{ max-width:520px; margin:18px auto 0; color:var(--dim); font-size:15px; line-height:1.75; }

/* columns — parallax gallery pillars */
.cols{ position:absolute; inset:0; pointer-events:none; }
.cols i{
  position:absolute; top:-12%; bottom:-12%; width:52px;
  background:linear-gradient(to right,
    rgba(10,20,32,0) 0%, rgba(16,30,46,.85) 22%, rgba(5,10,17,.95) 50%,
    rgba(16,30,46,.85) 78%, rgba(10,20,32,0) 100%);
  box-shadow:inset 0 0 24px rgba(0,0,0,.7);
}
.cols i::after{
  content:''; position:absolute; top:0; bottom:0; left:calc(50% - 1px); width:1px;
  background:linear-gradient(to bottom, transparent, rgba(122,196,222,.11) 30%, rgba(122,196,222,.05) 70%, transparent);
}
.cols.back i{ filter:blur(3px); opacity:.78; }
.cols.back i:nth-child(1){ left:6%; }
.cols.back i:nth-child(2){ left:26%; width:38px; }
.cols.back i:nth-child(3){ right:24%; width:40px; }
.cols.back i:nth-child(4){ right:7%; }
.cols.front i{ width:110px; filter:blur(1px); opacity:.95; }
.cols.front i:nth-child(1){ left:-28px; }
.cols.front i:nth-child(2){ right:-28px; }

/* light shafts */
.shaft{
  position:absolute; top:-16%; bottom:-10%; left:30%; width:150px;
  transform:skewX(-14deg);
  background:linear-gradient(to bottom, rgba(140,220,235,.17), rgba(140,220,235,.05) 55%, transparent 82%);
  filter:blur(10px); pointer-events:none;
}
.shaft.s2{ left:auto; right:24%; width:90px; transform:skewX(10deg); opacity:.7; }

/* portals — doorway previews of the next chamber */
.portal, .hero-portal{
  position:absolute; left:50%; top:50%;
  width:min(300px, 62vw); aspect-ratio:5/7;
  transform:translate(-50%,-50%) scale(calc(.86 + var(--cp,0) * .24));
  pointer-events:none;
}
.portal-img{
  position:absolute; inset:0; overflow:hidden; display:block;
  border-radius:999px 999px 8px 8px;
  border:1px solid var(--hair);
  box-shadow:0 0 0 1px rgba(3,6,10,.9), 0 0 60px rgba(15,181,186,.12), inset 0 0 40px rgba(0,0,0,.65);
}
.portal-img img{
  width:100%; height:100%; object-fit:cover;
  filter:var(--grade) brightness(calc(.38 + var(--cp,0) * .5)) blur(1.2px);
  animation:kenburns 16s ease-in-out infinite alternate;
}
.portal-img.cool img{ filter:var(--grade-cool) brightness(calc(.38 + var(--cp,0) * .5)) blur(1.2px); }
@keyframes kenburns{
  from{ transform:scale(1.12) translate(-1.6%, 1.4%); }
  to  { transform:scale(1.26) translate( 1.8%,-1.8%); }
}
.portal-glow{
  position:absolute; inset:-12%; z-index:-1; border-radius:50%;
  background:radial-gradient(50% 50% at 50% 55%, rgba(15,181,186,.18), transparent 70%);
  filter:blur(12px);
  opacity:calc(.4 + var(--cp,0) * .6);
}

/* ═════════ HERO · THE HALL ═════════ */
.hero{
  position:relative; height:100dvh; min-height:640px;
  overflow:hidden;
  background:radial-gradient(130% 100% at 50% -10%, #0a1420 0%, var(--bg) 55%);
  display:flex; align-items:center; justify-content:center;
}
.hero-atmo{ position:absolute; inset:-14%; }
.hero-atmo img{
  width:100%; height:100%; object-fit:cover;
  filter:blur(34px) brightness(.34) saturate(.8);
  transform:scale(1.15);
  opacity:.55;
}
.hero-floor{
  position:absolute; left:-20%; right:-20%; bottom:-4%; height:46%;
  background:
    repeating-linear-gradient(to right, rgba(122,196,222,.10) 0 1px, transparent 1px 12%),
    repeating-linear-gradient(to top, rgba(122,196,222,.09) 0 1px, transparent 1px 64px),
    linear-gradient(to top, rgba(9,18,28,.8), transparent);
  transform:perspective(620px) rotateX(58deg);
  transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(to top, rgba(0,0,0,.8), transparent 92%);
          mask-image:linear-gradient(to top, rgba(0,0,0,.8), transparent 92%);
}
.hero-shaft{ left:14%; width:210px; opacity:.8; }
.hero-portal{ top:67%; width:min(250px, 48vw); }
.hero-portal .portal-img{
  border-color:rgba(234,246,255,.22);
  box-shadow:0 0 0 1px rgba(3,6,10,.9), 0 0 110px rgba(15,181,186,.3), inset 0 0 60px rgba(0,0,0,.7);
}
.hero-portal .portal-img img{
  animation-duration:22s;
  filter:var(--grade) brightness(calc(.62 + var(--cp,0) * .32)) blur(.8px);
}
.hero-portal .portal-glow{ opacity:1; inset:-22%; }
.hero-copy{
  position:relative; z-index:3; text-align:center; padding:60px 44px;
  display:flex; flex-direction:column; align-items:center; gap:22px;
  background:radial-gradient(55% 58% at 50% 50%, rgba(2,5,9,.62), rgba(2,5,9,.28) 62%, transparent 78%);
  transform:translateY(-6%);
}
.hero-copy .eyebrow{ text-shadow:0 0 18px rgba(15,181,186,.5); }
.hero h1{
  font-family:var(--disp); font-weight:400;
  font-size:clamp(58px, 11.5vw, 158px);
  letter-spacing:.16em; margin-left:.16em; line-height:1;
  text-shadow:0 0 60px rgba(15,181,186,.22), 0 2px 30px rgba(0,0,0,.8);
}
.rule{
  width:64px; border:0; height:1px;
  background:linear-gradient(to right, transparent, var(--teal), transparent);
  box-shadow:0 0 12px var(--glowc);
}
.hero-sub{
  max-width:560px; color:var(--dim); font-size:15.5px; line-height:1.8;
  text-shadow:0 1px 12px rgba(0,0,0,.9);
}
.hero-micro{ font-size:10px; letter-spacing:.3em; color:var(--faint); }
.cue{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  z-index:3; display:flex; flex-direction:column; align-items:center; gap:10px;
  font-size:9px; letter-spacing:.32em; color:var(--faint);
}
.cue i{
  width:1px; height:44px; background:linear-gradient(to bottom, var(--teal), transparent);
  animation:cue 2.2s ease-in-out infinite; transform-origin:top;
}
@keyframes cue{ 0%{ transform:scaleY(0);} 45%{ transform:scaleY(1);} 100%{ transform:scaleY(0); opacity:0; } }

/* ═════════ WING INSCRIPTION ═════════ */
.inscription{
  position:relative; padding:26vh 24px 24vh; overflow:hidden;
  background:linear-gradient(to bottom, var(--bg), var(--bg-2) 50%, var(--bg));
}
.wing-rune{
  position:absolute; top:18%; right:4.5%;
  writing-mode:vertical-rl; font-size:10px; letter-spacing:.5em;
  color:var(--hair); white-space:nowrap;
}
.ins-wrap{ max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:9vh; }
.ins-big{
  font-family:var(--disp); font-weight:400;
  font-size:clamp(26px, 4vw, 44px); line-height:1.45; letter-spacing:.02em;
  color:rgba(234,246,255,.9);
}
.ins-big em{ font-style:normal; color:var(--teal-hi); text-shadow:0 0 22px rgba(15,181,186,.35); }
.ins-big.second{ align-self:flex-end; max-width:640px; text-align:right; }
.ins-plaque{
  align-self:center; text-align:center; margin-top:2vh;
  border:1px solid var(--hair); padding:26px 40px;
  background:linear-gradient(to bottom, rgba(10,18,28,.5), rgba(6,11,18,.5));
  box-shadow:inset 0 0 30px rgba(0,0,0,.5);
}
.ins-plaque span{ font-size:9px; letter-spacing:.3em; color:var(--faint); }
.ins-plaque p{ font-family:var(--disp); font-size:19px; margin-top:12px; letter-spacing:.05em; }

/* ═════════ CHAMBERS ═════════ */
.chamber{ position:relative; height:300vh; }
.chamber .pin{
  position:sticky; top:0; height:100vh; height:100dvh; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(90% 70% at 50% 12%, #081120 0%, var(--bg) 62%);
}
.ghost{
  position:absolute; z-index:1; right:4%; top:50%; transform:translateY(-52%);
  font-family:var(--disp); font-size:34vw; line-height:1;
  color:transparent; -webkit-text-stroke:1px rgba(234,246,255,.075);
  user-select:none;
}
.chamber.flip .ghost{ right:auto; left:4%; }
.chamber-atmo{ position:absolute; inset:-10%; z-index:0; }
.chamber-atmo img{
  width:100%; height:100%; object-fit:cover;
  filter:blur(46px) brightness(.22) saturate(.85);
  opacity:calc(.25 + var(--a,0) * .45);
  transform:scale(1.12);
}
.chamber-atmo.cool img{ filter:blur(46px) brightness(.22) saturate(.7) hue-rotate(-18deg); }

.stage{
  position:relative; z-index:2;
  display:grid; grid-template-columns:minmax(0,1.62fr) minmax(300px,.9fr);
  gap:clamp(28px, 4vw, 64px);
  align-items:center;
  width:min(1340px, 94vw);
  padding:0 clamp(10px, 2vw, 30px);
}
.chamber.flip .stage{ grid-template-columns:minmax(300px,.9fr) minmax(0,1.62fr); }
.chamber.flip .vitrine{ order:2; }
.chamber.flip .plaque{ order:1; }

/* the artifact vitrine */
.vitrine{
  position:relative;
  opacity:calc(.15 + var(--a,0) * .85);
  transform:translateY(calc((1 - var(--a,0)) * 46px)) scale(calc(.94 + var(--a,0) * .06));
  will-change:transform, opacity;
}
.vitrine video, .vitrine .fallback{
  width:100%; aspect-ratio:1470/630; object-fit:cover;
  filter:var(--grade);
  border:1px solid rgba(234,246,255,.14);
  box-shadow:
    0 0 0 1px rgba(2,4,8,.9),
    0 30px 80px rgba(0,0,0,.6),
    0 0 90px rgba(15,181,186, calc(.05 + var(--a,0) * .13));
  -webkit-box-reflect:below 2px linear-gradient(transparent 58%, rgba(0,0,0,.28));
}
.vitrine.grade-cool video, .vitrine.grade-cool .fallback{ filter:var(--grade-cool); }
.vitrine .fallback{ display:none; }
.floorlight{
  position:absolute; left:8%; right:8%; bottom:-14%; height:26%;
  background:radial-gradient(50% 60% at 50% 30%, rgba(15,181,186, calc(.10 + var(--a,0) * .16)), transparent 75%);
  filter:blur(8px); pointer-events:none;
}

/* the museum label */
.plaque{
  position:relative; padding:30px 30px 28px;
  border:1px solid rgba(234,246,255,.17);
  background:linear-gradient(160deg, rgba(12,21,32,.72), rgba(5,9,15,.72));
  box-shadow:inset 0 0 40px rgba(0,0,0,.45), 0 20px 60px rgba(0,0,0,.45);
  backdrop-filter:blur(6px);
}
.plaque::before{
  content:''; position:absolute; top:-1px; left:24px; right:24px; height:1px;
  background:linear-gradient(to right, transparent, var(--teal), transparent);
  box-shadow:0 0 14px var(--glowc);
  opacity:calc(var(--a,0));
}
.p-top{
  display:flex; justify-content:space-between; gap:12px;
  font-size:9px; letter-spacing:.26em; color:var(--teal);
}
.p-name{
  font-family:var(--disp); font-weight:400;
  font-size:clamp(24px, 2.4vw, 33px); letter-spacing:.03em;
  margin-top:18px; line-height:1.15;
}
.p-name small{ display:block; font-size:.48em; color:var(--dim); letter-spacing:.12em; margin-top:6px; }
.p-monu{
  font-family:var(--disp); font-size:15px; color:var(--teal-hi);
  letter-spacing:.08em; margin-top:8px;
}
.p-meta{ margin-top:22px; border-top:1px solid var(--hair-2); }
.p-meta > div{
  display:flex; justify-content:space-between; gap:16px;
  padding:9px 0; border-bottom:1px solid var(--hair-2);
  font-size:10px; letter-spacing:.1em;
}
.p-meta > div:last-child{ border-bottom:0; }
.p-meta dt{ color:var(--faint); letter-spacing:.22em; white-space:nowrap; }
.p-meta dd{ color:var(--dim); text-align:right; }
.p-meta dd [data-frame]{ color:var(--teal-hi); }
.p-desc{ margin-top:20px; font-size:14px; line-height:1.8; color:var(--dim); }

/* staggered label reveal per beat */
.plaque .p-top, .plaque .p-name, .plaque .p-monu, .plaque .p-meta, .plaque .p-desc{
  opacity:0; transform:translateY(14px);
  transition:opacity .8s ease, transform .8s ease;
}
.chamber.lit .p-top  { opacity:1; transform:none; transition-delay:.05s; }
.chamber.lit .p-name { opacity:1; transform:none; transition-delay:.16s; }
.chamber.lit .p-monu { opacity:1; transform:none; transition-delay:.27s; }
.chamber.lit .p-meta { opacity:1; transform:none; transition-delay:.38s; }
.chamber.lit .p-desc { opacity:1; transform:none; transition-delay:.5s; }

/* ═════════ CORRIDORS ═════════ */
.corridor{
  position:relative; height:150vh; overflow:hidden;
  background:linear-gradient(to bottom, var(--bg), #030509 45%, var(--bg));
}
.c-atmo{ position:absolute; inset:-12%; }
.c-atmo img{
  width:100%; height:100%; object-fit:cover;
  filter:blur(60px) brightness(.16) saturate(.8);
  opacity:.5; transform:scale(1.1);
}
.c-atmo.cool img{ filter:blur(60px) brightness(.16) saturate(.65) hue-rotate(-18deg); }
.corridor .wayfind{
  position:absolute; left:10%; top:50%; transform:translateY(-50%);
  display:flex; flex-direction:column; gap:10px; z-index:3;
}
.corridor.alt .wayfind{ left:auto; right:10%; text-align:right; align-items:flex-end; }
.wayfind em{ font-style:normal; font-size:10px; letter-spacing:.34em; color:var(--teal); }
.wayfind strong{
  font-family:var(--disp); font-weight:400; font-size:clamp(20px, 2.6vw, 34px);
  letter-spacing:.06em; color:rgba(234,246,255,.88);
}
.wayfind span{ font-size:9px; letter-spacing:.3em; color:var(--faint); }

/* ═════════ ARCHIVE ANNEX ═════════ */
.archive{
  position:relative; padding:22vh 6vw 18vh;
  background:linear-gradient(to bottom, var(--bg), var(--bg-2) 40%, var(--bg));
}
.annex{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:22px;
  max-width:1280px; margin:0 auto;
}
.piece{
  position:relative; border:1px solid var(--hair);
  background:linear-gradient(165deg, rgba(11,19,30,.6), rgba(5,9,15,.6));
  padding:34px 26px 30px; overflow:hidden;
  transition:border-color .4s, box-shadow .4s, transform .4s;
}
.piece:hover{
  border-color:rgba(15,181,186,.4);
  box-shadow:0 24px 60px rgba(0,0,0,.5), 0 0 50px rgba(15,181,186,.08);
  transform:translateY(-4px);
}
.p-obj{
  position:relative; height:150px; margin-bottom:22px;
  display:flex; align-items:flex-end; justify-content:center;
}
.plinth{
  position:absolute; bottom:0; left:50%; transform:translateX(-50%);
  width:110px; height:26px;
  background:linear-gradient(to bottom, #101d2c, #060b12);
  clip-path:polygon(10% 0, 90% 0, 100% 100%, 0 100%);
  border-top:1px solid rgba(122,196,222,.25);
}
.plinth::after{
  content:''; position:absolute; left:-30%; right:-30%; top:-14px; height:16px;
  background:radial-gradient(50% 100% at 50% 100%, rgba(15,181,186,.22), transparent 75%);
  filter:blur(3px);
}
.obj{ position:relative; z-index:1; margin-bottom:26px; }

/* A.03 — the beacon */
.obj-beacon{ width:6px; height:88px; background:linear-gradient(to top, #0c1826, #7ad0e0); box-shadow:0 0 18px rgba(53,224,230,.4); }
.obj-beacon::before{
  content:''; position:absolute; top:-16px; left:50%; transform:translateX(-50%);
  width:52px; height:52px; border-radius:50%;
  background:conic-gradient(from 0deg, transparent 0 70%, rgba(53,224,230,.5) 82%, transparent 96%);
  animation:spin 7s linear infinite; filter:blur(1.5px);
}
.obj-beacon::after{
  content:''; position:absolute; top:-5px; left:50%; transform:translateX(-50%);
  width:10px; height:10px; border-radius:50%;
  background:var(--teal-hi); box-shadow:0 0 22px var(--teal-hi);
}
@keyframes spin{ to{ transform:translateX(-50%) rotate(360deg); } }

/* A.06 — the engine */
.obj-engine{ width:88px; height:88px; }
.obj-engine::before, .obj-engine::after{
  content:''; position:absolute; inset:0; border-radius:50%;
  border:1px solid rgba(53,224,230,.55);
  animation:pulse 2.6s cubic-bezier(.4,0,.2,1) infinite;
}
.obj-engine::after{ inset:20px; animation-delay:.5s; border-color:rgba(53,224,230,.85); }
@keyframes pulse{
  0%,100%{ transform:scale(.86); opacity:.45; }
  38%{ transform:scale(1); opacity:1; box-shadow:0 0 24px rgba(15,181,186,.3); }
  52%{ transform:scale(.94); opacity:.8; }
  66%{ transform:scale(1); opacity:1; }
}

/* A.07 — the ledger */
.obj-ledger{ display:flex; gap:9px; align-items:flex-end; height:88px; }
.obj-ledger i{
  width:11px; background:linear-gradient(to top, rgba(15,181,186,.15), rgba(53,224,230,.85));
  box-shadow:0 0 14px rgba(15,181,186,.3);
  animation:bars 4.4s ease-in-out infinite;
}
.obj-ledger i:nth-child(1){ height:36%; animation-delay:0s; }
.obj-ledger i:nth-child(2){ height:62%; animation-delay:.4s; }
.obj-ledger i:nth-child(3){ height:48%; animation-delay:.8s; }
.obj-ledger i:nth-child(4){ height:82%; animation-delay:1.2s; }
@keyframes bars{ 0%,100%{ transform:scaleY(1);} 50%{ transform:scaleY(.72); } }
.obj-ledger i{ transform-origin:bottom; }

/* A.08 — the vault */
.obj-vault{
  width:64px; height:64px;
  background:linear-gradient(135deg, #16283c 0%, #0a1420 100%);
  border:1px solid rgba(122,196,222,.3);
  box-shadow:inset 0 0 20px rgba(0,0,0,.7), 0 0 26px rgba(15,181,186,.12);
  animation:breathe 5s ease-in-out infinite;
}
.obj-vault::after{
  content:''; position:absolute; top:12%; bottom:12%; left:calc(50% - .5px); width:1px;
  background:linear-gradient(to bottom, transparent, var(--teal-hi), transparent);
  box-shadow:0 0 12px var(--teal-hi);
}
@keyframes breathe{ 0%,100%{ box-shadow:inset 0 0 20px rgba(0,0,0,.7), 0 0 16px rgba(15,181,186,.08);} 50%{ box-shadow:inset 0 0 20px rgba(0,0,0,.7), 0 0 34px rgba(15,181,186,.22);} }

.p-tag{
  display:flex; justify-content:space-between;
  font-size:9px; letter-spacing:.24em; color:var(--teal);
  border-top:1px solid var(--hair-2); padding-top:16px;
}
.piece h3{
  font-family:var(--disp); font-weight:400; font-size:19.5px;
  letter-spacing:.03em; margin-top:14px; line-height:1.3;
}
.piece .p-monu{ margin-top:6px; font-size:13px; }
.piece p{ margin-top:12px; font-size:13px; line-height:1.7; color:var(--dim); }
.piece p em{ font-style:normal; color:var(--teal-hi); }

/* ═════════ PROVENANCE WALL ═════════ */
.vault{
  position:relative; padding:20vh 6vw;
  background:
    radial-gradient(70% 50% at 50% 0%, rgba(10,20,32,.8), transparent 70%),
    var(--bg);
}
.tablets{
  display:grid; grid-template-columns:1fr 1fr; gap:22px;
  max-width:1020px; margin:0 auto;
}
.tablet{
  position:relative; border:1px solid var(--hair);
  padding:38px 36px;
  background:linear-gradient(170deg, rgba(11,19,30,.55), rgba(4,8,13,.55));
  box-shadow:inset 0 0 44px rgba(0,0,0,.5);
}
.tablet::before{
  content:''; position:absolute; top:-1px; left:28px; width:56px; height:1px;
  background:var(--teal); box-shadow:0 0 12px var(--glowc);
}
.t-num{ font-size:9px; letter-spacing:.3em; color:var(--faint); }
.tablet h3{
  font-family:var(--disp); font-weight:400; font-size:24px;
  letter-spacing:.05em; margin-top:14px;
}
.tablet p{ margin-top:14px; font-size:14px; line-height:1.8; color:var(--dim); }
.tablet p em{ font-style:normal; color:var(--teal-hi); }

/* ═════════ THE COMMISSION · PROCESS ═════════ */
.process{ position:relative; padding:18vh 6vw 20vh; background:var(--bg); }
.steps{
  list-style:none; max-width:680px; margin:0 auto; position:relative;
}
.steps::before{
  content:''; position:absolute; left:29px; top:12px; bottom:12px; width:1px;
  background:linear-gradient(to bottom, transparent, rgba(15,181,186,.4) 12%, rgba(15,181,186,.4) 88%, transparent);
}
.step{
  position:relative; display:flex; gap:34px; padding:34px 0 34px 0;
  opacity:.35; transform:translateX(10px);
  transition:opacity .8s ease, transform .8s ease;
}
.step.seen{ opacity:1; transform:none; }
.s-num{
  flex:0 0 58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(15,181,186,.4); font-size:12px; letter-spacing:.14em;
  background:radial-gradient(60% 60% at 50% 40%, rgba(15,181,186,.14), rgba(4,8,13,.9));
  box-shadow:0 0 22px rgba(15,181,186,.12);
  position:relative; z-index:1; color:var(--teal-hi);
}
.step h3{ font-family:var(--disp); font-weight:400; font-size:23px; letter-spacing:.05em; }
.step p{ margin-top:8px; font-size:14px; line-height:1.75; color:var(--dim); max-width:440px; }

/* ═════════ COMMISSION DESK · CONTACT ═════════ */
.contact{
  position:relative; padding:26vh 24px; text-align:center; overflow:hidden;
  background:linear-gradient(to bottom, var(--bg), #071019 55%, var(--bg));
}
.ct-glow{
  position:absolute; left:50%; top:52%; transform:translate(-50%,-50%);
  width:760px; height:760px; pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%, rgba(15,181,186,.14), transparent 68%);
  filter:blur(10px);
}
.contact h2{
  position:relative; font-family:var(--disp); font-weight:400;
  font-size:clamp(38px, 6.4vw, 74px); letter-spacing:.05em; line-height:1.18;
  margin-top:24px;
  text-shadow:0 0 50px rgba(15,181,186,.2);
}
.ct-sub{
  position:relative; max-width:520px; margin:26px auto 0;
  color:var(--dim); font-size:15px; line-height:1.8;
}
.ct-btn{
  position:relative; display:inline-block; margin-top:46px;
  font-family:var(--mono); font-size:12px; letter-spacing:.3em;
  padding:20px 46px; color:var(--ink);
  border:1px solid rgba(15,181,186,.55);
  background:rgba(15,181,186,.06);
  box-shadow:0 0 34px rgba(15,181,186,.14), inset 0 0 18px rgba(15,181,186,.06);
  transition:background .35s, box-shadow .35s, transform .35s;
}
.ct-btn:hover{
  background:rgba(15,181,186,.18);
  box-shadow:0 0 60px rgba(15,181,186,.3), inset 0 0 24px rgba(15,181,186,.12);
  transform:translateY(-2px);
}
.ct-mail{ position:relative; margin-top:22px; font-size:10px; letter-spacing:.26em; color:var(--faint); }
.ct-mail a{ color:var(--teal-hi); }
.ct-mail a:hover{ text-shadow:0 0 14px rgba(53,224,230,.6); }

/* ═════════ FOOTER ═════════ */
#colophon{
  position:relative; border-top:1px solid var(--hair);
  background:#030508; padding:70px 6vw 34px;
}
.f-grid{
  display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px;
  max-width:1180px; margin:0 auto;
}
.f-brand img{ width:34px; filter:drop-shadow(0 0 8px rgba(15,181,186,.4)); }
.f-line{ margin-top:18px; font-family:var(--disp); font-size:17px; letter-spacing:.04em; line-height:1.5; max-width:300px; }
.f-slogan{ margin-top:14px; font-size:9px; letter-spacing:.24em; color:var(--faint); line-height:1.9; }
.f-h{ display:block; font-size:9px; letter-spacing:.3em; color:var(--teal); margin-bottom:16px; }
.f-h2{ margin-top:28px; }
.f-cat ol{ list-style:none; counter-reset:cat; }
.f-cat li{
  counter-increment:cat; font-size:10.5px; letter-spacing:.08em; color:var(--dim);
  padding:4px 0;
}
.f-cat li::before{
  content:counter(cat, decimal-leading-zero) '  ';
  color:var(--faint);
}
.f-info p{ font-size:10px; letter-spacing:.14em; color:var(--dim); line-height:2; }
.f-info a:hover{ color:var(--teal-hi); }
.f-base{
  display:flex; justify-content:space-between; gap:20px;
  max-width:1180px; margin:56px auto 0; padding-top:22px;
  border-top:1px solid var(--hair-2);
  font-size:9px; letter-spacing:.22em; color:var(--faint);
}

/* ═════════ RESPONSIVE ≤ 1080 / ≤ 720 ═════════ */
@media (max-width:1080px){
  .annex{ grid-template-columns:1fr 1fr; }
  .stage{ grid-template-columns:minmax(0,1.35fr) minmax(280px,1fr); }
}

@media (max-width:720px){
  #topbar{ padding:16px 18px; }
  #topbar nav a:not(.cta){ display:none; }
  #rail{ display:none; }

  .hero h1{ letter-spacing:.1em; margin-left:.1em; }
  .hero-portal{ width:40vw; top:76%; }
  .hero-copy{ padding:40px 26px; gap:18px; transform:translateY(-9%); }
  .hero-sub{ font-size:13.5px; max-width:320px; }
  .hero-micro{ font-size:8px; letter-spacing:.2em; }
  .hero .cols.front i{ opacity:.5; filter:blur(3px); }
  .cols.front i{ width:56px; }
  .cols.front i:nth-child(1){ left:-18px; }
  .cols.front i:nth-child(2){ right:-18px; }

  .inscription{ padding:18vh 22px; }
  .ins-big.second{ text-align:left; align-self:flex-start; }
  .wing-rune{ right:2%; }

  .chamber{ height:260vh; }
  .stage, .chamber.flip .stage{
    grid-template-columns:1fr; gap:20px;
    width:100%; padding:0 18px;
    align-content:center;
  }
  .chamber .pin{ align-items:center; }
  .chamber.flip .vitrine{ order:1; }
  .chamber.flip .plaque{ order:2; }
  .vitrine video, .vitrine .fallback{ -webkit-box-reflect:below 1px linear-gradient(transparent 72%, rgba(0,0,0,.22)); }
  .plaque{ padding:20px 18px 18px; }
  .p-name{ font-size:21px; margin-top:12px; }
  .p-desc{ font-size:12.5px; line-height:1.65; margin-top:12px; }
  .p-meta{ margin-top:12px; }
  .p-meta > div{ padding:6px 0; font-size:9px; }
  .ghost{ font-size:60vw; opacity:.7; }

  .corridor{ height:110vh; }
  .corridor .wayfind, .corridor.alt .wayfind{
    left:50%; right:auto; transform:translate(-50%,-50%);
    top:20%; text-align:center; align-items:center;
  }
  .portal{ width:58vw; top:56%; }

  .archive{ padding:16vh 20px 12vh; }
  .annex{ grid-template-columns:1fr; gap:16px; }
  .sec-head{ margin-bottom:46px; }

  .tablets{ grid-template-columns:1fr; gap:16px; }
  .tablet{ padding:28px 24px; }

  .process{ padding:12vh 20px 14vh; }
  .steps::before{ left:22px; }
  .s-num{ flex:0 0 44px; height:44px; font-size:10px; }
  .step{ gap:22px; padding:26px 0; }

  .contact{ padding:20vh 20px; }
  .ct-btn{ padding:16px 30px; font-size:10.5px; letter-spacing:.22em; }

  .f-grid{ grid-template-columns:1fr; gap:36px; }
  .f-base{ flex-direction:column; gap:8px; }
}

/* ═════════ REDUCED MOTION · static exhibition ═════════ */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation:none !important; transition:none !important; }
}
html.reduced #grain, html.reduced #dust{ display:none; }
html.reduced .vitrine video{ display:none; }
html.reduced .vitrine .fallback{ display:block; }
html.reduced .chamber{ height:auto; }
html.reduced .chamber .pin{ position:relative; height:auto; min-height:100vh; padding:14vh 0; }
html.reduced .corridor{ height:70vh; }
html.reduced .portal, html.reduced .hero-portal{ transform:translate(-50%,-50%); }
html.reduced .portal-img img{ animation:none; filter:var(--grade) brightness(.6); }
html.reduced .vitrine{ opacity:1; transform:none; }
html.reduced .chamber .plaque .p-top,
html.reduced .chamber .plaque .p-name,
html.reduced .chamber .plaque .p-monu,
html.reduced .chamber .plaque .p-meta,
html.reduced .chamber .plaque .p-desc{ opacity:1; transform:none; }
html.reduced .step{ opacity:1; transform:none; }
html.reduced .chamber-atmo img{ opacity:.4; }
html.reduced [data-depth]{ transform:none !important; }