:root{
  --bg:#111315; --paper:#ffffff; --ink:#F7F8FA; --muted:#8C93A4; --accent:#C6A667;
  --radius:14px; --shadow-modal:0 24px 80px rgba(0,0,0,.25);
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur-1:200ms; --dur-2:320ms; --dur-3:600ms; --dur-4:1200ms;
  --container:1200px; --gap:24px; --v-m:80px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size:16px; letter-spacing:0.01em; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
body.modal-open{ overflow:hidden }
a{color:inherit; text-decoration:none}

/* Layout */
.container{ max-width:var(--container); margin:0 auto; padding:0 24px }
.shell{ position:sticky; top:0; z-index:10; backdrop-filter:saturate(1.05) blur(6px); background:linear-gradient(180deg, rgba(17,19,21,.85), rgba(17,19,21,.65) 80%, rgba(17,19,21,0)); }
.header{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand{ font-family: "Playfair Display", ui-serif, Georgia, serif; font-weight:300; font-size:18px; letter-spacing:.08em }
.nav a{ opacity:.8; margin-left:18px; padding:8px 0; position:relative }
.nav a::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:1px; background:currentColor; transform:scaleX(0); transform-origin:left; transition:transform var(--dur-1) var(--ease) }
.nav a:hover::after{ transform:scaleX(1) }
.navbtn{ margin-left:18px; padding:6px 10px; background:transparent; color:var(--ink); border:1px solid rgba(255,255,255,.14); border-radius:999px; cursor:pointer; font:inherit }
.navbtn:hover{ border-color: rgba(255,255,255,.24) }
.footer{ border-top:1px solid rgba(255,255,255,.06); padding:24px 0; color:#b7becb; font-size:12px; margin-top:var(--v-m) }
/* Chips */
.chip{ display:inline-block; padding:4px 8px; border-radius:999px; font-size:12px; border:1px solid rgba(255,255,255,.14); }
.chip.ok{ color:#cfe7d0; border-color: rgba(198,255,198,.25); background: rgba(40,120,40,.14) }
.chip.warn{ color:#f0e0c0; border-color: rgba(255,220,130,.25); background: rgba(120,80,20,.14) }

/* Buttons */
.btn{ appearance:none; border:none; border-radius:999px; padding:10px 18px; cursor:pointer; font:inherit; color:#0B0B0B; background:#F6F7F9; transition:opacity var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease) }
.btn:hover{ opacity:.95; transform:translateY(-1px) }
.btn-ghost{ background:transparent; color:var(--ink); border:1px solid rgba(255,255,255,.14); }
.btn-ghost:hover{ border-color: rgba(255,255,255,.24) }
.btn-primary{ background:var(--accent); color:#0B0B0B; }
button:focus-visible, .nav a:focus-visible{ outline:none; box-shadow:0 0 0 3px rgba(198,166,103,.24) }

/* Route transition */
.route{ opacity:0; transform:translateY(8px); transition:opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease) }
.route.ready{ opacity:1; transform:translateY(0) }

/* Hero */
.hero{ padding: calc(var(--v-m) + 40px) 0 var(--v-m); text-align:center }
.hero h1{ font-family:"Playfair Display", ui-serif, Georgia, serif; font-size:64px; font-weight:300; margin:0 0 8px; letter-spacing:.01em }
.hero p{ color:#C7CEDA; margin:0 0 24px; font-size:18px }

/* Gallery */
.gallery{ position:relative; min-height:calc(100vh - 72px - 80px) }
.rail{ position:relative; overflow:hidden; border-radius:16px; background:linear-gradient(180deg, #0f1114, #0b0b0b); box-shadow: 0 24px 80px rgba(0,0,0,.25) inset }
.rail-progress{ position:absolute; left:0; top:0; right:0; height:1px; background:rgba(255,255,255,.08) }
.rail-progress .rail-bar{ height:100%; width:0%; background:linear-gradient(90deg, #DDE3ED, rgba(221,227,237,.2)); transition: width var(--dur-3) var(--ease) }
.slides{ position:relative; height:70vh }
.slide{ position:absolute; inset:0; opacity:0; transform:translateX(20px); transition:opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease) }
.slide.active{ opacity:1; transform:translateX(0) }
.slide .title{ position:absolute; top:20px; left:22px; font-family:"Playfair Display", ui-serif, Georgia, serif; font-weight:300; font-size:20px; opacity:.9 }
.slide .viewport{ position:absolute; inset:0; display:grid; place-items:center; padding:40px; will-change: transform }
.slide .viewport, .slide .viewport *{ pointer-events:auto }
.slide .meta{ position:absolute; left:22px; right:22px; bottom:18px; display:flex; align-items:center; justify-content:space-between; color:#C7CEDA; font-size:14px; will-change: transform }
.hairline{ height:1px; background:linear-gradient(90deg, rgba(255,255,255,.12), rgba(255,255,255,.02)); margin-top:8px }

.chev{ position:absolute; top:50%; transform:translateY(-50%); width:44px; height:44px; border-radius:999px; display:grid; place-items:center; background:rgba(255,255,255,.08); color:#fff; cursor:pointer; backdrop-filter: blur(6px); }
.chev:hover{ background:rgba(255,255,255,.12) }
.chev:focus-visible{ outline:none; box-shadow:0 0 0 3px rgba(198,166,103,.24) }
.chev.left{ left:12px } .chev.right{ right:12px }
.dots{ display:flex; gap:8px; position:absolute; left:50%; bottom:18px; transform:translateX(-50%); }
.dot{ width:6px; height:6px; border-radius:999px; background:#566070; opacity:.6 }
.dot.active{ opacity:1; background:#DDE3ED }
.share{ position:absolute; right:18px; top:18px; font-size:12px; opacity:.8 }
.share:hover{ opacity:1 }

/* Art frames */
.art-frame{ width:min(880px, 90%); margin:0 auto; border-radius:var(--radius); background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015)); border:1px solid rgba(255,255,255,.08); box-shadow: inset 0 1px 0 rgba(255,255,255,.06), inset 0 -1px 0 rgba(0,0,0,.18); padding:24px; text-align:center }
.art-frame .lux{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-variant-numeric: tabular-nums; font-size:32px; letter-spacing:.02em }

/* Eternal Loading */
.spinner{ width:48px; height:48px; border:2px solid rgba(255,255,255,.2); border-top-color:#fff; border-radius:50%; animation:spin 1.2s linear infinite }
@keyframes spin{ to{ transform:rotate(360deg) } }

/* Ellipsis breathe */
.ellipsis{ font-size:56px; opacity:.8; animation:breathe 3s ease-in-out infinite }
@keyframes breathe{ 0%,100%{opacity:.6} 50%{opacity:.9} }

/* Accessibility / reduced motion */
@media (prefers-reduced-motion: reduce){
  .route, .slide{ transition:none }
  .spinner{ animation: none }
  .ellipsis{ animation: none }
}

/* Modal (Inquiry) */
.modal-overlay{ position:fixed; inset:0; display:grid; place-items:center; background:rgba(0,0,0,.5); opacity:0; pointer-events:none; transition:opacity var(--dur-2) var(--ease); z-index:100 }
.modal-overlay.show{ opacity:1; pointer-events:auto }
.modal-overlay.hidden{ display:none }
.modal{ width:min(640px, 92vw); background:rgba(17,19,21,.92); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius); box-shadow:var(--shadow-modal); transform:translateY(8px); opacity:.98; transition:transform var(--dur-3) var(--ease), opacity var(--dur-3) var(--ease) }
.modal-overlay.show .modal{ transform:translateY(0); opacity:1 }
.modal-head{ display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-bottom:1px solid rgba(255,255,255,.06) }
.modal-head h3{ margin:0; font-family:"Playfair Display", ui-serif, Georgia, serif; font-weight:300 }
.modal-x{ background:transparent; color:#DDE3ED; border:1px solid rgba(255,255,255,.14); border-radius:999px; width:28px; height:28px; line-height:24px; font-size:16px; cursor:pointer }
.modal-body{ padding:20px }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:14px }
.field label{ font-size:12px; color:#AEB6C4; letter-spacing:.04em }
.field input, .field textarea{ width:100%; background:rgba(255,255,255,.03); color:#EEF2F8; border:1px solid rgba(255,255,255,.12); border-radius:10px; padding:10px 12px; outline:none }
.field input[readonly]{ opacity:.8; cursor:default }
.field input:focus, .field textarea:focus{ border-color:#E5E9F2; box-shadow:0 0 0 3px rgba(198,166,103,.12) }
.actions{ display:flex; justify-content:flex-end; gap:10px; margin-top:8px }
.gdpr{ color:#8C93A4; font-size:12px; margin-top:8px }

/* Toast */
.toast{ position:fixed; left:50%; bottom:18px; transform:translateX(-50%) translateY(12px); background:rgba(17,19,21,.92); color:#EEF2F8; border:1px solid rgba(255,255,255,.12); border-radius:999px; padding:10px 14px; opacity:0; transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease); z-index:110 }
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0) }

/* Reversed Infinity figure */
.ri{ display:inline-block; min-width:14ch; text-align:center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size:64px; letter-spacing:.02em; font-variant-numeric: tabular-nums; }