@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&display=swap');
:root{--bg:#111916;--ink:#eeeadd;--muted:#a7afa5;--gold:#e7bd7d;--line:#ffffff25;--serif:'Instrument Serif',Georgia,serif;--sans:'DM Sans',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:6px}header,footer{display:flex;justify-content:space-between;align-items:center;padding:28px 5vw;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:1.5px}.brand{font-weight:700;letter-spacing:2px;font-size:12px}.brandmark{font-family:monospace;color:var(--gold);font-size:18px;margin-right:12px}header>a:last-child{color:var(--muted)}header>a:last-child span{margin-left:20px}.hero{padding:42px 5vw 0;max-width:1600px;margin:auto}.eyebrow,.category,.chapter-no,.reading,.art-caption,.hero-foot,.caption,.lab-top,.challenge>span,.timeline article>span,.archive-entry{font-size:10px;letter-spacing:1.5px}.eyebrow{color:var(--gold)}.dot{display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:50%;margin-right:9px}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:2vw;padding:45px 0 55px}.category{color:var(--muted);margin-bottom:25px}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.035em;line-height:.98;margin:0}h1{font-size:clamp(75px,8.5vw,140px)}h1 em,h2 em{font-weight:400;color:var(--gold)}.intro{font-size:16px;color:#bcc4b9;margin:30px 0}.button{border:1px solid var(--gold);background:var(--gold);color:#18221b;padding:15px 24px;display:inline-flex;justify-content:space-between;align-items:center;gap:34px;cursor:pointer;font-size:13px;font-weight:600}.button:hover{background:#f2d3a2}.reading{color:var(--muted);margin-top:22px;font-size:8px;display:flex;align-items:center;gap:12px}.reading i{width:3px;height:3px;background:var(--muted);border-radius:50%}.art{position:relative}.art svg{width:100%;height:auto}.art-caption{display:flex;justify-content:space-between;color:var(--muted);font-size:8px;margin:22px 10px 0}.hero-foot{display:flex;justify-content:space-between;padding:20px 0;border-top:1px solid var(--line);color:var(--muted);font-size:9px}.chapter{padding:85px 8vw;border-top:1px solid var(--line)}.chapter-no{color:var(--gold);margin-bottom:48px}.narrow{max-width:740px;margin:auto}.narrow h2{font-size:clamp(50px,5.5vw,78px);margin-bottom:32px}.narrow>p{font-size:17px;color:#b6c0b6;max-width:600px}.light{margin-top:12px}.caption{color:var(--muted)!important;letter-spacing:0;font-size:11px!important;max-width:500px!important;line-height:1.6}.wave{display:flex;align-items:center;justify-content:center;height:90px;gap:5px;margin:30px 0}.wave i{width:2px;background:var(--gold);opacity:.6;height:var(--h)}.wave.playing i{animation:pulse 1s ease-in-out infinite alternate;animation-delay:var(--d)}@keyframes pulse{to{transform:scaleY(.3);opacity:.2}}.pullquote{font-family:var(--serif);font-size:34px!important;line-height:1.2;color:var(--ink)!important;padding:30px 0 0}.narrative{display:grid;grid-template-columns:1fr 1fr;gap:9vw}.narrative h2{font-size:clamp(48px,5vw,74px)}.narrative p{color:#b6c0b6;margin-top:0;margin-bottom:24px}.narrative .lead{color:var(--ink);font-size:20px}.reveal{background:#1a2520}.experiment{background:#e8e3d4;color:#19251e;padding:80px 8vw;text-align:center}.experiment .eyebrow{color:#786444}.experiment h2{font-size:clamp(55px,6vw,86px);margin:25px 0}.experiment>p{color:#566158}.lab{background:#15221a;color:var(--ink);margin:45px auto 0;max-width:850px;padding:28px 35px}.lab-top{display:flex;justify-content:space-between;color:var(--gold);text-align:left;font-size:9px}.display{display:flex;flex-direction:column;position:relative;padding:25px 0}.display>span:first-child{font:76px var(--serif);z-index:1}.display>span:nth-child(2){font-size:12px;color:var(--muted);z-index:1}.field{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;overflow:hidden;opacity:.2}.field i{position:absolute;border:1px solid var(--gold);width:260px;height:90px;border-radius:50%;transform:rotate(-20deg)}.field i:nth-child(2){transform:rotate(20deg);width:300px}.field i:nth-child(3){transform:rotate(60deg);width:200px}.controls{display:grid;grid-template-columns:1fr 1fr;gap:40px;text-align:left;margin:25px 0 30px}label{font-size:14px}label>span{display:block;font-size:8px;letter-spacing:1px;color:var(--gold);margin-top:8px}input[type=range]{width:100%;margin:20px 0;accent-color:var(--gold);height:22px}small{display:block;font-size:10px;color:var(--muted)}.lab>.caption{margin:18px auto 0}.challenge{max-width:700px;margin:30px auto 0;display:flex;gap:30px;text-align:left;font-size:14px}.challenge>span{white-space:nowrap;font-weight:700;margin-top:15px}.aside{border-left:2px solid var(--gold);padding-left:20px;font-size:12px}.equation{display:flex;gap:25px;justify-content:space-between;align-items:center;border:1px solid var(--line);padding:32px;margin-top:40px}.equation strong{display:block;font-size:14px}.equation span{font-size:11px;color:var(--muted)}.equation b{font-size:24px;color:var(--gold);font-weight:400}.history{background:#1a2520}.timeline{margin-top:50px;border-left:1px solid #d8b57b55;padding-left:35px}.timeline article{position:relative;margin-bottom:40px}.timeline article:before{content:'';position:absolute;top:8px;left:-39px;width:7px;height:7px;background:var(--gold);border-radius:50%}.timeline article>span{color:var(--gold);font-size:9px}.timeline h3{font:30px var(--serif);margin:12px 0}.timeline p{font-size:15px;color:#bcc4b9}.closing{text-align:center;padding:90px 8vw 60px}.closing h2{font-size:clamp(50px,5.5vw,78px);margin:30px 0}.closing>p{color:var(--muted);font-size:15px}.closing-actions{display:flex;justify-content:center;align-items:center;gap:40px;margin-top:30px}.closing-actions>a{font-size:13px;text-decoration:underline;text-underline-offset:5px}.archive-entry{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin-top:70px;color:var(--muted);font-size:8px}.archive-entry a{font:24px var(--serif);color:var(--ink);letter-spacing:0}.sources{padding:0 8vw 60px;font-size:12px;color:var(--muted)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-size:13px;padding:15px 0;color:var(--ink)}.sources a{color:var(--gold);text-decoration:underline;text-underline-offset:4px}.sources li{margin:10px 0}.sources details>p{max-width:800px;font-size:11px;margin-top:30px}footer{border-top:1px solid var(--line);border-bottom:0;color:var(--muted);font-size:8px}#shareStatus{font-size:12px;min-height:20px}@media(max-width:700px){header{padding:22px 6vw}.brand{font-size:10px}header>a:last-child{font-size:8px}.hero{padding:25px 6vw 0}.hero-grid{grid-template-columns:1fr;padding-top:35px;gap:20px}h1{font-size:80px}.intro{font-size:15px}.art{max-width:440px;margin:-10px auto 0}.art-caption{font-size:7px}.hero-foot span:last-child{display:none}.chapter{padding:55px 6vw}.chapter-no{margin-bottom:30px}.narrative{grid-template-columns:1fr;gap:30px}.narrow h2,.narrative h2{font-size:50px}.narrow>p{font-size:15px}.experiment{padding:55px 6vw}.experiment h2{font-size:58px}.experiment>p{font-size:14px}.lab{padding:22px 20px}.controls{grid-template-columns:1fr;gap:25px}.challenge{gap:20px;font-size:13px}.equation{flex-direction:column;align-items:flex-start;gap:10px}.equation b{margin-left:30px}.closing{padding:60px 6vw 35px}.closing-actions{gap:22px}.closing h2{font-size:50px}.archive-entry{flex-wrap:wrap;gap:20px;text-align:left}.archive-entry a{width:100%;order:3}.sources{padding:0 6vw 40px}footer{gap:25px;align-items:flex-start}footer>span{max-width:140px}.pullquote{font-size:30px!important}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.wave.playing i{animation:none}}
.episode-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:35px 0 0}.episode-nav a{border:1px solid var(--line);padding:9px 14px;font-size:11px;color:var(--muted)}.episode-nav a:hover{color:var(--gold);border-color:var(--gold)}.archive-heading{text-align:left;margin:65px 0 0}.archive-heading h3{font:40px var(--serif);margin:0}.archive-heading p{font-size:13px;color:var(--muted)}.tag{display:inline-block;border:1px solid var(--line);padding:6px 12px;font-size:9px;letter-spacing:1px}.archive-entry{margin-top:25px}