:root{--parchment-bg:#f4ecdc;--parchment-card:#f7f0e2f0;--parchment-deep:#e8dcc4;--ink-primary:#22170f;--ink-secondary:#544130;--ink-muted:#7a644e;--survey-crimson:#9e2a2b;--survey-crimson-dark:#7a1c1d;--drafting-blue:#1d4e70;--greensward-emerald:#2d6a4f;--brass-gold:#b88b3a;--border-ink:#2d2016;--border-subtle:#3d2c1e40;--font-serif:"Cormorant Garamond", "Georgia", serif;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;color:var(--ink-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:#1c1611;overflow:hidden}.film-modal{z-index:900;opacity:0;pointer-events:none;background:#140f0bf0;justify-content:center;align-items:center;transition:opacity .4s;display:flex;position:fixed;inset:0}.film-modal.active{opacity:1;pointer-events:auto}.film-frame-wrapper{background:var(--parchment-bg);border:2px solid var(--border-ink);flex-direction:column;width:min(96vw,1780px);height:min(94vh,1020px);display:flex;overflow:hidden;box-shadow:0 28px 80px #000000b8}.film-top-bar{color:#f4ecdc;border-bottom:2px solid var(--brass-gold);background:#22170f;justify-content:space-between;align-items:center;height:54px;padding:0 20px;display:flex}.film-brand{align-items:center;gap:14px;display:flex}.film-badge{background:var(--survey-crimson);color:#fff8ec;letter-spacing:1.4px;border-radius:2px;padding:4px 10px;font-size:11px;font-weight:700}.film-title-text{font-family:var(--font-serif);letter-spacing:.8px;font-size:18px;font-weight:600}.film-top-actions{align-items:center;gap:10px;display:flex}.film-stage{background:#f2e8d5;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.film-video-element,.film-canvas-fallback{object-fit:contain;width:100%;height:100%;display:block}.film-canvas-fallback{display:none}.film-controls-bar{color:#f4ecdc;background:#2b1e15;border-top:1px solid #d8b26e59;align-items:center;gap:16px;height:56px;padding:0 20px;display:flex}.film-chapters-row{align-items:center;gap:6px;display:flex}.chapter-pill{color:#e8dcc4;cursor:pointer;background:#f4ecdc1a;border:1px solid #d8b26e59;padding:5px 10px;font-size:11.5px;font-weight:600;transition:all .18s}.chapter-pill:hover,.chapter-pill.active{background:var(--survey-crimson);color:#fff;border-color:#ff9c8f}.film-scrubber-wrap{flex:1;align-items:center;gap:12px;display:flex}#film-scrubber{accent-color:var(--survey-crimson);cursor:pointer;flex:1}.film-time-readout{font-variant-numeric:tabular-nums;color:#d8b26e;text-align:right;min-width:82px;font-size:12.5px}.arch-btn{font-family:var(--font-sans);cursor:pointer;border:1px solid var(--border-ink);border-radius:2px;padding:8px 15px;font-size:12.5px;font-weight:600;transition:all .18s}.arch-btn.primary-cta{background:var(--survey-crimson);color:#fff8eb;letter-spacing:.4px;border-color:#d8b26e}.arch-btn.primary-cta:hover{background:#b83234}.arch-btn.secondary{color:var(--ink-primary);border-color:var(--border-ink);background:#f4ecdc}.arch-btn.secondary:hover{background:#e6d7be}.arch-btn.small-btn{padding:6px 11px;font-size:11.5px}.arch-btn.icon-btn{background:var(--brass-gold);color:#1f150e;border:none;min-width:72px}.app-shell{flex-direction:column;width:100vw;height:100vh;display:flex;position:relative}.top-header{background:var(--parchment-bg);border-bottom:2px solid var(--border-ink);z-index:40;justify-content:space-between;align-items:center;height:62px;padding:0 18px;display:flex;box-shadow:0 4px 16px #00000026}.brand-block{cursor:pointer;align-items:center;gap:12px;display:flex}.brand-emblem{background:var(--ink-primary);color:#e8c982;width:40px;height:40px;font-family:var(--font-serif);border:1.5px solid var(--brass-gold);justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex}.brand-heading{font-family:var(--font-serif);letter-spacing:1.2px;color:var(--ink-primary);font-size:21px;font-weight:700;line-height:1.05}.brand-subheading{color:var(--ink-secondary);font-size:11.5px;font-weight:500}.mode-nav{align-items:center;gap:6px;display:flex}.mode-tab{color:var(--ink-primary);cursor:pointer;background:#e8dcc4b3;border:1px solid #2d201659;border-radius:2px;padding:8px 13px;font-size:12.5px;font-weight:600;transition:all .16s}.mode-tab .tab-num{color:var(--survey-crimson);font-family:var(--font-serif);margin-right:4px;font-weight:700}.mode-tab:hover{background:#e2d1b3}.mode-tab.active{background:var(--ink-primary);color:#f7efe0;border-color:var(--ink-primary)}.mode-tab.active .tab-num{color:#e8c982}.atmosphere-controls{align-items:center;gap:10px;display:flex}.control-group{background:var(--parchment-deep);border:1px solid var(--border-subtle);border-radius:2px;align-items:center;gap:2px;padding:3px;display:flex}.ctrl-label{text-transform:uppercase;letter-spacing:.6px;color:var(--ink-secondary);padding:0 6px;font-size:10.5px;font-weight:700}.pill-btn{color:var(--ink-secondary);cursor:pointer;background:0 0;border:none;border-radius:2px;padding:4px 8px;font-size:11px;font-weight:600}.pill-btn.active{background:var(--ink-primary);color:#f7efe0}.main-stage{flex:1;width:100%;position:relative;overflow:hidden}.webgl-container{position:absolute;inset:0}.pins-overlay{pointer-events:none;z-index:10;position:absolute;inset:0;overflow:hidden}.pin-label{pointer-events:auto;color:#f7efe0;white-space:nowrap;cursor:pointer;background:#22170fe6;border:1px solid #d8b26e;border-radius:2px;padding:4px 9px;font-size:11px;font-weight:600;transition:transform .15s,background .15s;position:absolute;transform:translate(-50%,-100%);box-shadow:0 3px 10px #00000059}.pin-label:hover,.pin-label.selected{background:var(--survey-crimson);z-index:25;border-color:#fff;transform:translate(-50%,-108%)scale(1.06)}.pin-label .pin-num{color:#e8c982;margin-right:4px;font-weight:700}.left-navigator{background:var(--parchment-card);border:2px solid var(--border-ink);z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);flex-direction:column;width:310px;display:flex;position:absolute;top:14px;bottom:14px;left:14px;box-shadow:0 12px 32px #00000047}.panel-header{border-bottom:1.5px solid var(--border-ink);justify-content:space-between;align-items:center;padding:12px 14px 10px;display:flex}.panel-eyebrow{letter-spacing:1.4px;color:var(--survey-crimson);text-transform:uppercase;font-size:10px;font-weight:700;display:block}.panel-title{font-family:var(--font-serif);color:var(--ink-primary);font-size:20px;font-weight:700}.compass-badge{font-family:var(--font-serif);border:1px solid 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#2d6a4f;position:absolute}.minimap-great-lawn{border-radius:40%;width:11%;height:60%;top:20%;left:45%}.minimap-sheep{border-radius:35%;width:10%;height:42%;top:14%;left:73%}.minimap-dot{background:var(--survey-crimson);color:#fff;cursor:pointer;z-index:4;border:1px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:15px;height:15px;font-size:8.5px;font-weight:700;transition:transform .15s;display:flex;position:absolute;transform:translate(-50%,-50%)}.minimap-dot:hover,.minimap-dot.active{color:#1c130c;z-index:8;background:#d49b27;transform:translate(-50%,-50%)scale(1.3)}.landmark-list{flex:1;padding:6px;overflow-y:auto}.landmark-item{border-bottom:1px solid var(--border-subtle);cursor:pointer;border-radius:2px;align-items:flex-start;gap:10px;padding:8px 10px;transition:background 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8px;font-size:10.5px;font-weight:700}.story-tour-btns{gap:6px;display:flex}.story-title{font-family:var(--font-serif);color:var(--ink-primary);font-size:26px;font-weight:700;line-height:1.1}.story-meta-line{color:var(--ink-secondary);border-bottom:1px solid var(--border-subtle);margin:4px 0 10px;padding-bottom:8px;font-size:11.5px}.story-headline{font-family:var(--font-serif);color:var(--survey-crimson-dark);margin-bottom:10px;font-size:17.5px;font-weight:700;line-height:1.28}.story-plate-card{border:1.5px solid var(--border-ink);background:#ede1c9;margin-bottom:10px;overflow:hidden}.story-plate-img-wrap{cursor:zoom-in;height:155px;position:relative;overflow:hidden}.story-plate-img{object-fit:cover;width:100%;height:100%;transition:transform .3s;display:block}.story-plate-img-wrap:hover .story-plate-img{transform:scale(1.04)}.plate-zoom-pill{color:#f7efe0;background:#22170fdb;border:1px solid #d8b26e;padding:4px 8px;font-size:10.5px;font-weight:600;position:absolute;bottom:8px;right:8px}.arch-svg-diagram{border-top:1px solid var(--border-ink);width:100%;height:122px;display:block}.svg-draw-line path,.svg-draw-line line,.svg-draw-line rect{stroke-dasharray:900;stroke-dashoffset:900px;animation:2.2s cubic-bezier(.22,1,.36,1) forwards drawSvgStroke}@keyframes drawSvgStroke{to{stroke-dashoffset:0}}.story-section-label{text-transform:uppercase;letter-spacing:1.1px;color:var(--drafting-blue);margin:8px 0 4px;font-size:10.5px;font-weight:700}.story-why-text{color:var(--ink-primary);margin-bottom:8px;font-size:13px;line-height:1.48}.story-facts-list{flex-direction:column;gap:7px;margin-bottom:12px;list-style:none;display:flex}.story-facts-list li{color:var(--ink-primary);padding-left:14px;font-size:12.5px;line-height:1.44;position:relative}.story-facts-list li:before{content:"▪";color:var(--survey-crimson);font-weight:700;position:absolute;left:0}.story-action-row{gap:8px;margin-bottom:10px;display:flex}.story-sources-box{border-top:1px solid var(--border-subtle);color:var(--ink-secondary);margin-top:auto;padding-top:8px;font-size:11px}.source-chip{background:var(--parchment-deep);border:1px solid var(--border-subtle);color:var(--ink-primary);cursor:pointer;margin:3px 4px 0 0;padding:2px 7px;font-size:10.5px;font-weight:600;display:inline-block}.source-chip:hover{background:var(--brass-gold);color:#fff}.design-works-drawer{background:var(--parchment-card);border:2px solid var(--border-ink);z-index:22;padding:12px 16px;position:absolute;top:14px;left:338px;right:482px;box-shadow:0 12px 32px #00000047}.design-works-drawer.hidden{display:none}.design-drawer-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;margin-bottom:10px;padding-bottom:6px;display:flex}.design-cards-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.design-principle-card{border:1.5px solid var(--border-subtle);cursor:pointer;background:#efe3cc;padding:10px 12px;transition:all .18s}.design-principle-card:hover,.design-principle-card.active{color:#f7efe0;border-color:var(--brass-gold);background:#22170f}.dp-badge{text-transform:uppercase;color:var(--survey-crimson);letter-spacing:.8px;font-size:10px;font-weight:700}.design-principle-card.active .dp-badge{color:#e8c982}.dp-title{font-family:var(--font-serif);margin:2px 0 5px;font-size:17px;font-weight:700}.dp-desc{margin-bottom:8px;font-size:11.5px;line-height:1.38}.dp-metrics{border-top:1px solid #8a70504d;grid-template-columns:1fr 1fr;gap:4px;padding-top:6px;font-size:10.5px;display:grid}.timeline-footer{background:var(--parchment-bg);border-top:2px solid var(--border-ink);z-index:40;grid-template-columns:285px minmax(0,1fr) 310px;align-items:center;gap:18px;height:86px;padding:0 20px;display:grid}.timeline-left{min-width:0}.timeline-eyebrow{letter-spacing:1.3px;color:var(--survey-crimson);font-size:10px;font-weight:700}.era-active-title{font-family:var(--font-serif);color:var(--ink-primary);font-size:20px;font-weight:700;line-height:1.1}.era-active-subtitle{color:var(--ink-secondary);font-size:11.5px}.timeline-center{flex-direction:column;gap:4px;min-width:0;display:flex;overflow:hidden}.era-stops-row{justify-content:space-between;display:flex}.era-stop-btn{color:var(--ink-secondary);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:2px;padding:3px 9px;font-size:11.5px;font-weight:700}.era-stop-btn.active{background:var(--survey-crimson);color:#fff8eb}.era-range-slider{width:100%;accent-color:var(--survey-crimson);cursor:pointer}.era-summary-strip{color:var(--ink-primary);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.timeline-right{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.overlay-slider-box{flex-direction:column;gap:3px;width:100%;display:flex}#plan-overlay-slider{width:100%;accent-color:var(--drafting-blue);cursor:pointer}.modal-backdrop{z-index:800;background:#16100bd1;justify-content:center;align-items:center;padding:28px;display:flex;position:fixed;inset:0}.modal-backdrop.hidden{display:none}.modal-card{background:var(--parchment-bg);border:2px solid var(--border-ink);flex-direction:column;width:min(92vw,960px);max-height:88vh;display:flex;overflow:hidden;box-shadow:0 24px 68px #0009}.modal-card.wide-modal{width:min(94vw,1280px)}.modal-header{color:#f4ecdc;border-bottom:2px solid var(--brass-gold);background:#22170f;justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.modal-title{font-family:var(--font-serif);font-size:22px;font-weight:700}.close-x-btn{color:inherit;cursor:pointer;background:0 0;border:1px solid #f4ecdc66;width:30px;height:30px;font-size:20px;line-height:1}.compare-body,.sources-body{padding:18px 22px;overflow-y:auto}.compare-curtain-stage{border:2px solid var(--border-ink);-webkit-user-select:none;user-select:none;background:#e8dcc4;width:100%;height:440px;position:relative;overflow:hidden}.compare-img-base,.compare-img-top{object-fit:cover;width:100%;height:100%;display:block}.compare-clip-layer{clip-path:inset(0 50% 0 0);position:absolute;inset:0}.compare-divider-line{background:var(--survey-crimson);pointer-events:none;width:3px;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.compare-handle{background:var(--survey-crimson);color:#fff;white-space:nowrap;border:1.5px solid #fff;padding:6px 12px;font-size:11px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.compare-badge{color:#f7efe0;background:#22170fe0;border:1px solid #d8b26e;padding:5px 10px;font-size:11.5px;font-weight:600;position:absolute;bottom:12px}.compare-badge.left-badge{left:12px}.compare-badge.right-badge{right:12px}.compare-slider-input{width:100%;accent-color:var(--survey-crimson);cursor:pointer;margin:12px 0 16px}.compare-key-differences{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.diff-card{border:1px solid var(--border-ink);background:#ede1c9;padding:12px}.diff-card h4{font-family:var(--font-serif);color:var(--survey-crimson-dark);margin-bottom:5px;font-size:16px}.diff-card p{font-size:12px;line-height:1.45}.source-entry-card{border-bottom:1px solid var(--border-subtle);border-left:4px solid var(--survey-crimson);background:#ede1c9;margin-bottom:8px;padding:12px 14px}.source-entry-card h4{font-family:var(--font-serif);color:var(--ink-primary);font-size:17px}.source-entry-meta{color:var(--drafting-blue);margin:2px 0 5px;font-size:12px;font-weight:600}.source-entry-notes{color:var(--ink-secondary);font-size:12.5px}.lightbox-img-wrap{background:#1f1711;justify-content:center;align-items:center;padding:14px;display:flex;overflow:auto}#lightbox-img{border:2px solid #d8b26e;max-width:100%;max-height:76vh}