:root{color-scheme:dark;--bg:#05080b;--text:#e4e8e6;--muted:#a0b2b5;--accent:#92cfc7;--amber:#cfb18b;--line:#9ec0c326}
.fallback-earth{display:none;position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);width:min(75vw,70vh);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 30% 25%,#4a7470,#1c444b 36%,#0b1c28 62%,#03080d 82%);box-shadow:inset -45px -15px 90px #0009}.no-webgl .fallback-earth{display:block}.no-webgl #journey-canvas{display:none}.no-webgl:not([data-chapter=home]):not([data-chapter=perspective]):not([data-chapter=one-day]):not([data-chapter=formation]) .fallback-earth{display:none}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.7 Arial,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}button{border:0;background:none}em{font:italic 1em Georgia,'Times New Roman',serif;font-weight:400;color:#b6d1ca}.eyebrow,.scene-caption,.artifact-caption{font:9px/1.8 'Courier New',monospace;letter-spacing:2px;color:#b4c5c4}.scene-caption,.artifact-caption{font-size:8px;color:var(--amber);letter-spacing:1.4px}.skip-link{position:fixed;left:20px;top:-70px;background:var(--text);color:var(--bg);padding:12px;z-index:30}.skip-link:focus{top:15px}
.scene{position:fixed;inset:0;overflow:hidden;pointer-events:none}.scene canvas{position:absolute;inset:0;width:100%;height:100%}.scene{background:radial-gradient(ellipse at 55% 40%,#183234,#05080b 65%)}.scene-shade{position:absolute;inset:0;background:linear-gradient(180deg,#05080b77,transparent 22%,transparent 65%,#05080be8);pointer-events:none}#particles{z-index:2}#artifacts{position:absolute;inset:0;z-index:1}.artifact{position:absolute;left:0;top:0;transform-origin:50% 100%;will-change:transform,opacity;pointer-events:none}.artifact-image{width:100%;height:100%;background-image:url('history-artifacts.png');background-size:400% 200%;background-repeat:no-repeat;filter:drop-shadow(0 7px 18px #0007)}.artifact-reflection{position:absolute;top:100%;left:0;width:100%;height:100%;transform:scaleY(-1);opacity:.15;mask-image:linear-gradient(to top,#0009,transparent 65%);filter:blur(1.5px)}
.site-header{position:fixed;top:0;left:0;width:100%;height:92px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;z-index:10;background:linear-gradient(#05080b88,transparent)}.brand{font-size:20px;font-weight:600;letter-spacing:-.6px;display:flex;align-items:center;gap:12px;white-space:nowrap}.brand-dot{color:var(--accent);margin-left:-9px}.monogram{font:italic 32px Georgia,serif;color:var(--accent);letter-spacing:-12px;width:31px;padding-right:12px}.monogram span{color:var(--amber)}.header-note{font:8px 'Courier New',monospace;letter-spacing:2px;color:#a1b4b4}.text-button{font-size:11px;border-bottom:1px solid #8eaaa866;padding:8px 0}.text-button span{margin-left:27px;color:var(--accent)}
.chapter{height:110svh;position:relative}.chapter:last-child{height:100svh}.chapter-content{position:fixed;inset:0;visibility:hidden;opacity:0;pointer-events:none;padding:0 6vw}.chapter-content.is-active{visibility:visible}.chapter-content a,.chapter-content button{pointer-events:auto}.chapter-heading{position:absolute;top:16vh;left:8vw;right:8vw;text-align:center}.chapter-heading .eyebrow{margin:0 0 16px}h1,h2,h3{font-weight:400}h1{font-size:clamp(52px,5.8vw,86px);line-height:1.06;letter-spacing:-3px;margin:22px 0;text-shadow:0 4px 35px #0009}h2{font:400 clamp(33px,3.5vw,57px)/1.16 Georgia,serif;letter-spacing:-1.5px;margin:0;text-shadow:0 2px 25px #0009}h3{font-size:22px;line-height:1.35;letter-spacing:-.6px;margin:10px 0 13px}.chapter-copy{position:absolute;left:6vw;bottom:17vh;width:310px;max-width:28vw;padding:10px 0;text-shadow:0 1px 15px #000}.chapter-copy p{font-size:12px;line-height:1.8;color:#b2c1c2;margin:11px 0}.chapter-copy p.scene-caption,.chapter-copy p.artifact-caption{font-size:8px;color:var(--amber)}.chapter-copy .fine-print{font-size:9px;color:#8fa2a5;line-height:1.7}.hero-content{padding-top:22vh;text-align:center}.hero-content .eyebrow{font-size:8px}.hero-description{max-width:405px;color:#b9c6c5;margin:27px auto 22px;font-size:13px}.journey-link{display:inline-flex;align-items:center;gap:27px;min-height:40px;border-bottom:1px solid #9ab8b466;font-size:11px;padding:7px 0;color:#d3dfdc}.journey-link span{color:var(--accent);font-size:17px}.journey-link:hover,.text-button:hover{color:var(--accent)}
.chapter-nav{position:fixed;right:3vw;top:50%;transform:translateY(-50%);z-index:10;display:flex;flex-direction:column;gap:12px}.chapter-nav a{display:flex;align-items:center;justify-content:flex-end;gap:10px;font:8px 'Courier New',monospace;color:#789296;padding:1px}.chapter-nav a::before{content:'';display:block;width:10px;height:1px;background:#93acac66;transition:width .3s}.chapter-nav a[aria-current=step]{color:var(--text)}.chapter-nav a[aria-current=step]::before{width:27px;background:var(--amber)}
.journey-controls{position:fixed;bottom:35px;left:4vw;right:4vw;display:flex;align-items:flex-end;gap:25px;z-index:10;pointer-events:none}.journey-controls button{pointer-events:auto;font-size:10px;padding:9px 0;color:#a3b8b9}.journey-controls>button::before{content:'';display:inline-block;width:4px;height:4px;background:var(--accent);border-radius:50%;margin-right:8px}.history-clock{position:absolute;left:50%;bottom:0;transform:translateX(-50%);text-align:center;display:flex;flex-direction:column;gap:3px}.history-clock span{font:7px 'Courier New',monospace;letter-spacing:1px;color:#94aaa9}.history-clock strong{font:400 21px/1.3 'Courier New',monospace;color:#d2ded7;letter-spacing:2px}.chapter-stepper{display:flex;align-items:center;gap:20px;margin-left:auto}.chapter-stepper span{font:8px 'Courier New',monospace;letter-spacing:1px;color:#a6bab9}.chapter-stepper button{font-size:20px;line-height:1;width:30px}.chapter-stepper button:disabled{opacity:.25;cursor:default}.journey-progress{position:fixed;bottom:16px;left:4vw;right:4vw;height:1px;background:#b8d2d32b;z-index:10}.journey-progress span{display:block;height:100%;background:var(--amber);width:0}
.closing-content{padding-top:22vh;text-align:center}.closing-content h2{font-size:clamp(41px,4.4vw,68px)}.closing-copy{max-width:520px;margin:30px auto 0;font-size:14px;color:#bbc9c5}.closing-note{max-width:440px;margin:16px auto;font-size:10px;color:#8fa8a7}.closing-actions{display:flex;justify-content:center;gap:40px;margin:25px auto}
dialog{color:var(--text);background:#0a1215;border:1px solid #52716b66;padding:45px 48px;width:min(740px,90vw);max-height:85svh;overflow:auto;box-shadow:0 20px 120px #000a}dialog::backdrop{background:#000b;backdrop-filter:blur(8px)}dialog h2{font-size:40px;margin-bottom:30px}.close-dialog{position:absolute;right:20px;top:12px;font-size:30px;color:var(--muted)}.project{border-top:1px solid var(--line);padding:17px 0}.project summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:30px;letter-spacing:-1px;gap:20px}.project summary::-webkit-details-marker{display:none}.project svg{width:82px;height:60px;stroke:var(--accent);stroke-width:1.5;margin-left:auto}.rndloop svg{stroke:var(--amber);stroke-width:2.5}.expand{font-size:22px;color:var(--muted)}.project[open] .expand{transform:rotate(45deg)}.project p{font-size:13px;line-height:1.9;color:#a5b9b8}.accent{color:var(--accent)}.amber{color:var(--amber)}.credits{font-size:10px;line-height:1.8;color:#8ba4a3;margin-top:25px}.credits summary{cursor:pointer}.credits a{text-decoration:underline}.noscript-message{padding:30px}
@media(max-width:900px){.header-note{display:none}.chapter-copy{max-width:32vw;width:275px}.chapter-heading{top:16vh}.chapter-nav{right:2vw;gap:10px}.chapter-nav a{font-size:7px}.chapter-content{padding-inline:5vw}.history-clock strong{font-size:17px}.journey-controls{gap:12px}.journey-controls>button{font-size:8px}}
@media(max-width:600px){.site-header{height:72px;padding:0 22px}.brand{font-size:18px}.monogram{font-size:27px;width:27px}.text-button{font-size:10px}.text-button span{margin-left:12px}.chapter-nav{display:none}.hero-content{padding-top:20svh}.hero-content .eyebrow{font-size:6px;letter-spacing:1px}h1{font-size:clamp(41px,10.6vw,64px);letter-spacing:-2px}.hero-description{max-width:300px;font-size:12px}.chapter-heading{top:13svh;left:24px;right:24px}.chapter-heading .eyebrow{font-size:7px;letter-spacing:1px;margin-bottom:12px}h2{font-size:clamp(29px,7.6vw,43px);letter-spacing:-1px}.chapter-copy{left:25px;right:25px;bottom:14svh;width:auto;max-width:none;background:linear-gradient(transparent,#05080b99 45%);padding-top:15px}.chapter-copy h3{font-size:19px;margin:6px 0 9px}.chapter-copy p{font-size:11px;line-height:1.65;margin:8px 0}.chapter-copy .fine-print{font-size:8px}.chapter-copy .scene-caption,.chapter-copy .artifact-caption{font-size:7px}.journey-controls{left:22px;right:22px;bottom:27px;gap:12px;align-items:flex-end}.journey-controls>button{font-size:8px;max-width:65px;line-height:1.5;text-align:left;padding:0}.journey-controls>button::before{display:none}.history-clock{bottom:0}.history-clock strong{font-size:14px;letter-spacing:1px}.history-clock span{font-size:5px;letter-spacing:.5px}.chapter-stepper{gap:6px}.chapter-stepper span{font-size:6px}.chapter-stepper button{font-size:17px;width:20px;padding:0}.journey-progress{left:22px;right:22px;bottom:12px}.closing-content{padding:21svh 25px 0}.closing-content h2{font-size:38px}.closing-copy{font-size:12px;margin-top:22px}.closing-note{font-size:9px}.closing-actions{gap:25px;margin-top:18px}.closing-actions .journey-link{font-size:10px;gap:12px}.journey-link{font-size:10px;min-height:33px}dialog{padding:35px 24px}dialog h2{font-size:32px}.project summary{font-size:26px}.project svg{width:65px;height:50px}.project p{font-size:12px}}
@media(max-height:650px) and (min-width:601px){.site-header{height:65px}.chapter-heading{top:14vh}.chapter-heading h2{font-size:34px}.chapter-copy{bottom:15vh}.chapter-copy h3{font-size:18px}.chapter-copy p{font-size:10px}.hero-content{padding-top:17vh}.hero-content h1{font-size:50px}.hero-description{margin:15px auto;font-size:11px}.closing-content{padding-top:18vh}.closing-content h2{font-size:42px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.chapter-nav a::before{transition:none}}