/* French Manor interior tour. Tokens lifted from the Concept Design Report (SV/FM/CD/001). */
:root {
  --navy: #141f37;
  --navy-2: #1d2b4a;
  --gold: #b08a3e;
  --gold-soft: rgba(176, 138, 62, .22);
  --cream: #f3efe6;
  --paper: #fbf9f4;
  --ink: #1d2b4a;
  --body: #4a5163;
  --muted: #8a8f9c;
  --line: #e4ddcd;
  --serif: "Lora", Georgia, serif;
  --sans: "Poppins", system-ui, sans-serif;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px;
  --bar: 64px;
  --strip: 112px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 300 14px/1.6 var(--sans); color: var(--body); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2 { font-family: var(--serif); font-weight: 400; color: var(--ink); margin: 0; letter-spacing: -.005em; }
.eyebrow { font: 500 10.5px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; color: var(--gold); margin: 0 0 var(--s3); }
hr.gold { border: 0; height: 1px; width: 72px; background: var(--gold); margin: var(--s5) 0; }

.btn { white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 var(--s5);
  font: 500 11px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; border: 1px solid var(--gold);
  background: none; color: var(--ink); transition: background .2s, color .2s; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #9a7733; }
.btn-line:hover { background: var(--gold-soft); }
.chip { height: 32px; padding: 0 var(--s4); border: 1px solid rgba(255,255,255,.45); background: rgba(20,31,55,.55);
  color: #fff; font: 500 10.5px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; backdrop-filter: blur(6px); }
.chip:hover, .chip.on { border-color: var(--gold); background: rgba(176,138,62,.85); }

/* ---------- Cover ---------- */
.cover { position: fixed; inset: 0; background: var(--navy); overflow: hidden; z-index: 5; transition: opacity .6s, visibility .6s; }
.cover.gone { opacity: 0; visibility: hidden; }
.cover-img { position: absolute; inset: 0 0 30% 0; background: center 40% / cover no-repeat; animation: drift 30s ease-in-out infinite alternate; }
.cover-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(20,31,55,.15) 0%, rgba(20,31,55,0) 22%, rgba(20,31,55,.55) 50%, var(--navy) 82%); }
@keyframes drift { from { transform: scale(1.02); } to { transform: scale(1.1) translateY(-1.5%); } }
.cover-frame { position: absolute; inset: var(--s6); border: 1px solid var(--gold); pointer-events: none; }
.cover-logo { position: absolute; top: var(--s6); left: calc(var(--s6) + var(--s7)); width: 156px; padding: var(--s5) var(--s4);
  background: var(--paper); border-bottom: 1px solid var(--gold); }
.cover-logo img { width: 100%; display: block; }
.cover-body { position: absolute; left: calc(var(--s6) + var(--s8)); right: calc(var(--s6) + var(--s8)); bottom: calc(var(--s6) + var(--s7)); color: #c9cdd8; }
.cover h1 { color: #fff; font-size: clamp(48px, 7vw, 92px); line-height: 1.02; }
.cover .sub { font: italic 400 clamp(18px, 2vw, 26px)/1.3 var(--serif); color: var(--gold); margin: var(--s3) 0 0; }
.cover .lede { margin: 0; font-size: 15px; }
.cover-actions { display: flex; gap: var(--s3); margin: var(--s6) 0 var(--s7); }
.cover .btn-line { color: #fff; }
.cover-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 220px)); gap: var(--s6); margin: 0;
  padding-top: var(--s5); border-top: 1px solid rgba(255,255,255,.14); }
.cover-meta dt { font: 500 9.5px/1 var(--sans); letter-spacing: .3em; text-transform: uppercase; color: var(--gold); margin-bottom: var(--s2); }
.cover-meta dd { margin: 0; color: #fff; font-size: 13.5px; }

/* ---------- Bar ---------- */
.app { height: 100%; display: flex; flex-direction: column; }
.bar { flex: none; height: var(--bar); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 var(--s6); background: var(--paper); border-bottom: 1px solid var(--gold); }
.bar-logo { display: flex; align-items: center; gap: var(--s3); font: 400 15px/1 var(--serif); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); }
.bar-logo img { height: 22px; }
.tabs { display: flex; gap: var(--s6); }
.tabs a { font: 500 11px/var(--bar) var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a:hover { color: var(--ink); }
.tabs a.on { color: var(--ink); border-color: var(--gold); }
.bar-title { justify-self: end; text-align: right; line-height: 1.25; }
.bar-title strong { display: block; font: 400 13px/1.3 var(--serif); letter-spacing: .3em; text-transform: uppercase; color: var(--ink); }
.bar-title span { font-size: 11px; color: var(--muted); }

.view { display: none; flex: 1; min-height: 0; }
.view.on { display: grid; }

/* ---------- Walk ---------- */
.walk { grid-template-columns: minmax(0, 1fr) 380px; grid-template-rows: minmax(0, 1fr) var(--strip); }
.stage { position: relative; background: var(--navy); overflow: hidden; }
.stage-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .9s ease; cursor: zoom-in; }
.stage-img.on { opacity: 1; }
.stage-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 72px; border: 0;
  background: rgba(20,31,55,.35); color: #fff; font: 300 34px/1 var(--serif); opacity: 0; transition: opacity .25s, background .2s; }
.stage:hover .stage-nav { opacity: 1; }
.stage-nav:hover { background: rgba(176,138,62,.85); }
.stage-nav.prev { left: 0; } .stage-nav.next { right: 0; }
.stage-tools { position: absolute; top: var(--s5); right: var(--s5); display: flex; gap: var(--s2); }
.stage.loading::before { content: ""; position: absolute; z-index: 2; top: 0; left: 0; width: 28%; height: 2px; background: var(--gold);
  animation: fetching 1.3s ease-in-out infinite; }
@keyframes fetching { from { transform: translateX(-100%); } to { transform: translateX(460%); } }
.progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(255,255,255,.12); }
.progress span { display: block; height: 100%; width: 0; background: var(--gold); transition: width .5s; }

.panel { grid-row: 1 / 3; grid-column: 2; overflow-y: auto; padding: var(--s6) var(--s6) 0; background: var(--paper);
  border-left: 1px solid var(--line); display: flex; flex-direction: column; }
.room-no { font: italic 400 15px/1 var(--serif); color: var(--gold); margin: var(--s2) 0 var(--s2); }
.panel h2 { font-size: 34px; line-height: 1.12; }
.panel hr.gold { margin: var(--s4) 0 var(--s2); }
.facts { width: 100%; border-collapse: collapse; font-size: 13px; }
.facts th { text-align: left; vertical-align: top; width: 92px; padding: var(--s3) var(--s3) var(--s3) 0;
  font: 500 9.5px/1.9 var(--sans); letter-spacing: .24em; text-transform: uppercase; color: var(--gold); }
.facts td { padding: var(--s3) 0; color: var(--ink); line-height: 1.55; }
.facts tr + tr th, .facts tr + tr td { border-top: 1px solid var(--line); }
.mini { position: relative; display: block; margin: var(--s4) 0 var(--s5); background: #fff; border: 1px solid var(--line); }
.mini img { display: block; width: 100%; }
.mini.site img { width: auto; max-width: 100%; max-height: 300px; margin: 0 auto; }
.stage-img.portrait { object-fit: contain; }
.mini-hot { position: absolute; inset: 0; }
.mini-hot i { position: absolute; background: rgba(176,138,62,.45); outline: 2px solid var(--gold); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { background: rgba(176,138,62,.2); } }
.panel-nav .btn { padding: 0 var(--s4); }
.panel-nav { position: sticky; bottom: 0; margin: auto calc(-1 * var(--s6)) 0; padding: var(--s4) var(--s6); background: var(--paper); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--s3); }
.panel-nav span { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }

.strip { grid-column: 1; display: flex; gap: var(--s2); align-items: stretch; overflow-x: auto; padding: var(--s3) var(--s4);
  background: var(--navy); scrollbar-width: thin; scrollbar-color: var(--navy-2) transparent; }
.strip-ch { flex: none; display: flex; flex-direction: column; justify-content: center; width: 120px; padding: 0 var(--s3);
  border-left: 1px solid var(--gold); font: italic 400 13px/1.3 var(--serif); color: #fff; }
.strip-ch small { font: 500 9px/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--gold); margin-bottom: var(--s2); font-style: normal; }
.strip a { flex: none; position: relative; width: 132px; opacity: .55; transition: opacity .2s; outline: 1px solid transparent; }
.strip a:hover { opacity: .9; }
.strip a.on { opacity: 1; outline: 2px solid var(--gold); outline-offset: -2px; }
.strip img { width: 100%; height: 100%; object-fit: cover; display: block; }
.strip a span { position: absolute; left: 0; right: 0; bottom: 0; padding: var(--s4) var(--s2) var(--s1); font-size: 10.5px; line-height: 1.2; color: #fff;
  background: linear-gradient(transparent, rgba(20,31,55,.9)); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Plan ---------- */
.plan { grid-template-rows: auto minmax(0, 1fr); padding: var(--s6) var(--s6) 0; background: var(--cream); }
.plan-head { display: flex; align-items: flex-end; justify-content: space-between; padding-bottom: var(--s5); border-bottom: 1px solid var(--gold); }
.plan-head h2 { font-size: 30px; }
.seg { display: flex; border: 1px solid var(--gold); }
.seg a { padding: 0 var(--s5); height: 40px; display: flex; align-items: center; font: 500 10.5px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--ink); }
.seg a.on { background: var(--gold); color: #fff; }
.plan-body { min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 300px; grid-template-rows: minmax(0, 1fr); gap: var(--s6); padding: var(--s5) 0; }
.plan-map { position: relative; justify-self: center; align-self: start; height: 100%; width: auto; aspect-ratio: 1800 / 1758; max-width: 100%;
  background: #fff; box-shadow: 0 1px 0 var(--line), 0 18px 40px -28px rgba(20,31,55,.45); }
.plan-map > img { width: 100%; height: 100%; display: block; }
#planHots { position: absolute; inset: 0; }
.hot { position: absolute; display: block; border: 1px solid transparent; transition: background .15s, border-color .15s; }
.hot.has::after { content: ""; position: absolute; top: 4px; right: 4px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.hot:hover, .hot.lit { background: rgba(176,138,62,.32); border-color: var(--gold); }
.hot.none { cursor: default; }
.hot.none:hover, .hot.none.lit { background: rgba(138,143,156,.18); border: 1px dashed var(--muted); }
.tip { position: absolute; z-index: 3; width: 240px; background: var(--paper); border: 1px solid var(--gold); pointer-events: none;
  opacity: 0; transform: translateY(4px); transition: opacity .15s, transform .15s; box-shadow: 0 14px 30px -18px rgba(20,31,55,.6); }
.tip.on { opacity: 1; transform: none; }
.tip img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.tip div { padding: var(--s3) var(--s4); }
.tip b { display: block; font: 400 17px/1.25 var(--serif); color: var(--ink); }
.tip small { font-size: 11.5px; color: var(--muted); }
.plan-list { list-style: none; margin: 0; padding: 0 var(--s2) var(--s6) 0; overflow-y: auto; }
.plan-list .ch { font: 500 9.5px/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--gold); padding: var(--s5) 0 var(--s2); }
.plan-list .ch:first-child { padding-top: 0; }
.plan-list a { display: grid; grid-template-columns: 36px 1fr auto; gap: var(--s2); padding: var(--s2) 0; border-top: 1px solid var(--line); color: var(--ink); font-size: 13px; }
.plan-list a i { font: italic 400 12.5px/1.6 var(--serif); color: var(--gold); }
.plan-list a em { font-style: normal; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.plan-list a:hover, .plan-list a.lit { color: var(--gold); }
.plan-list a.none { color: var(--muted); }

/* ---------- 3D model ---------- */
.model { position: relative; display: none; background: var(--cream); }
.model.on { display: block; }
.model-canvas { position: absolute; inset: 0; }
.model-canvas canvas { display: block; width: 100%; height: 100%; }
.model-head { position: absolute; top: var(--s5); left: var(--s6); }
.seg-dark { background: rgba(251,249,244,.9); backdrop-filter: blur(6px); }
.seg button { border: 0; background: none; padding: 0 var(--s4); height: 40px; font: 500 10.5px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--ink); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--gold); color: #fff; }
.model .tip { width: 210px; }
.model-card { position: absolute; top: var(--s5); right: var(--s5); bottom: var(--s5); width: 400px; display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--gold); box-shadow: 0 24px 50px -30px rgba(20,31,55,.6);
  opacity: 0; transform: translateX(16px); pointer-events: none; transition: opacity .3s, transform .3s; overflow: hidden; }
.model-card.on { opacity: 1; transform: none; pointer-events: auto; }
.model-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; cursor: zoom-in; }
.mc-body { padding: var(--s5) var(--s5) var(--s5); display: flex; flex-direction: column; gap: var(--s2); flex: 1; overflow-y: auto; }
.mc-body h2 { font-size: 28px; line-height: 1.15; }
.mc-meta { margin: 0 0 var(--s2); font: italic 400 14px/1.4 var(--serif); color: var(--gold); }
.mc-body .facts { margin-bottom: var(--s4); }
.mc-nav { margin-top: auto; display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--s3); align-items: center; }
.mc-nav span { font-size: 12px; color: var(--muted); }
.mc-links { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); margin-top: var(--s3); }
.mc-links .btn { padding: 0 var(--s3); font-size: 10px; letter-spacing: .14em; }
.see3d { display: inline-block; margin-top: var(--s4); font: 500 10.5px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.see3d::after { content: " →"; }
.see3d:hover { color: var(--ink); }

/* Walkthrough */
.model-head { display: flex; flex-direction: column; gap: var(--s2); align-items: flex-start; }
.seg .walk-btn { background: var(--navy); color: #fff; }
.seg .walk-btn:hover { background: var(--gold); }
.mc-walkin { width: 100%; margin-top: var(--s3); }
.model.walking .model-head, .model.walking .model-card, .model.walking .tip { display: none; }
.fp-hud { position: absolute; inset: 0; pointer-events: none; display: none; }
.fp-hud.on { display: block; }
.fp-hud button { pointer-events: auto; }
.fp-where { position: absolute; top: var(--s5); left: var(--s6); color: #fff; text-shadow: 0 1px 12px rgba(20,31,55,.6); }
.fp-where b { display: block; font: 400 30px/1.15 var(--serif); }
.fp-where small { font: italic 400 14px/1.4 var(--serif); color: #f1dfb5; }
.fp-actions { position: absolute; left: 50%; bottom: var(--s6); transform: translateX(-50%); display: flex; gap: var(--s2); }
.fp-hud .chip { height: 38px; }
.fp-hud kbd { display: inline-block; min-width: 18px; padding: 1px 5px; margin-right: 4px; border: 1px solid rgba(255,255,255,.6); font: 500 10px/14px var(--sans); text-align: center; }
.fp-exit { position: absolute; top: var(--s5); right: var(--s5); }
.fp-mini { position: absolute; left: var(--s5); bottom: var(--s5); width: 190px; aspect-ratio: 1800 / 1758; background: #fff center / 100% 100% no-repeat;
  border: 1px solid var(--gold); box-shadow: 0 12px 30px -16px rgba(20,31,55,.6); opacity: .95; }
.fp-mini i { position: absolute; width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 14px solid var(--gold); }
.fp-help { position: absolute; left: 50%; top: 50%; transform: translate(-50%, 60px); margin: 0; padding: var(--s3) var(--s4); background: rgba(20,31,55,.72); color: #fff;
  font-size: 12px; opacity: 0; transition: opacity .6s; white-space: nowrap; }
.fp-help.on { opacity: 1; }
.fp-resume { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none; height: 48px; padding: 0 var(--s5); border: 1px solid var(--gold);
  background: rgba(20,31,55,.8); color: #fff; font: 500 11px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; }
.fp-resume.on { display: block; }
.fp-cross { position: absolute; left: 50%; top: 50%; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: rgba(255,255,255,.7); }
.fp-fade { position: absolute; inset: 0; background: #0d1322; opacity: 0; pointer-events: none; transition: opacity .45s; }
.fp-fade.on { opacity: 1; }
@media (pointer: coarse) { .fp-help { white-space: normal; width: 80%; text-align: center; } .fp-cross { display: none; } .fp-mini { width: 120px; } }

/* ---------- All rooms ---------- */
.rooms { display: none; overflow-y: auto; padding: var(--s7) var(--s6) var(--s8); }
.rooms.on { display: block; }
.g-ch { display: flex; align-items: baseline; gap: var(--s4); margin: var(--s7) 0 var(--s5); padding-bottom: var(--s3); border-bottom: 1px solid var(--gold); }
.g-ch:first-child { margin-top: 0; }
.g-ch h2 { font-size: 28px; }
.g-ch span { font: italic 400 15px/1 var(--serif); color: var(--gold); }
.g-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--s5); }
.card { display: block; background: #fff; border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--gold); transform: translateY(-2px); }
.card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.card div { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3); padding: var(--s3) var(--s4) var(--s4); }
.card b { font: 400 17px/1.3 var(--serif); color: var(--ink); }
.card b i { font-size: 13px; color: var(--gold); margin-right: var(--s2); }
.card em { font-style: normal; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 10; background: var(--navy); display: flex; align-items: center; justify-content: center; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; cursor: zoom-out; }
.lightbox .chip { position: absolute; top: var(--s5); right: var(--s5); }

/* ---------- Small screens ---------- */
@media (max-width: 960px) {
  .bar { grid-template-columns: auto 1fr; padding: 0 var(--s4); }
  .bar-title { display: none; }
  .tabs { justify-self: end; gap: var(--s4); }
  .tabs a { white-space: nowrap; font-size: 10px; letter-spacing: .14em; }
  .bar-logo span { display: none; }
  .app { height: auto; min-height: 100%; }
  .walk { grid-template-columns: 1fr; grid-template-rows: 62vw auto var(--strip); }
  .stage-nav { opacity: 1; }
  .panel { grid-row: 2; grid-column: 1; border-left: 0; padding: var(--s6) var(--s5); }
  .strip { grid-row: 3; position: sticky; bottom: 0; }
  .plan { padding: var(--s5) var(--s4) 0; }
  .plan-body { grid-template-columns: 1fr; }
  .plan-map { height: auto; width: 100%; }
  .model { height: calc(100vh - var(--bar)); }
  .model-head { left: var(--s3); right: var(--s3); top: var(--s3); }
  .model-head .eyebrow { display: none; }
  .seg button { padding: 0 var(--s2); font-size: 9px; letter-spacing: .1em; }
  .model-card { left: var(--s3); right: var(--s3); top: auto; bottom: var(--s3); width: auto; max-height: 62%; }
  .cover-frame { inset: var(--s4); }
  .cover-logo { left: var(--s7); top: var(--s4); width: 120px; }
  .cover-body { left: var(--s7); right: var(--s7); bottom: var(--s7); }
  .cover-meta { grid-template-columns: repeat(3, 1fr); gap: var(--s4); }
}
.see3d[hidden] { display: none; }