@font-face{font-family:switzer;src:url(../media/Switzer_Variable-s.p.2cv8cnme15iov.woff2)format("woff2");font-display:swap}@font-face{font-family:switzer Fallback;src:local(Arial);ascent-override:96.67%;descent-override:24.66%;line-gap-override:8.88%;size-adjust:101.38%}.switzer_67f75427-module__l4-7RG__className{font-family:switzer,switzer Fallback}.switzer_67f75427-module__l4-7RG__variable{--font-switzer:"switzer", "switzer Fallback"}
@font-face{font-family:Fraunces;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1e219c03c996efbd-s.2qo5md4hn_gum.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/b35b0dbffda7f2c4-s.1d9rlgtqyj_-l.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/03bda585a99c6450-s.p.32sris142tqlb.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fraunces Fallback;src:local(Times New Roman);ascent-override:84.71%;descent-override:22.09%;line-gap-override:0.0%;size-adjust:115.45%}.fraunces_d361c29d-module__5PBLiG__className{font-family:Fraunces,Fraunces Fallback;font-style:normal}.fraunces_d361c29d-module__5PBLiG__variable{--font-fraunces:"Fraunces", "Fraunces Fallback"}
:root{--bg:#070a12;--surface:#101827;--surface-raised:#162238;--surface-soft:#101827d1;--text:#f6f0e5;--muted:#a9b4c5;--brass:#d8b56a;--sun:#f08a4b;--ice:#85c7f2;--focus:#ffd97a;--danger:#f17878;--line:#d8b56a33;--header-height:64px;--progress-height:56px;--radius-sm:10px;--radius-md:18px;--radius-lg:28px;--shadow:0 24px 80px #00000047}*{box-sizing:border-box}html{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;scroll-behavior:smooth;background:var(--bg)}body{min-width:320px;color:var(--text);background:radial-gradient(circle at 72% 6%, #4b679521, transparent 32rem), radial-gradient(circle at 8% 38%, #d8b56a0f, transparent 27rem), var(--bg);font-family:var(--font-switzer), system-ui, sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:#d8b56a2e;margin:0;font-size:16px;line-height:1.6;overflow-x:hidden}body:before{z-index:-1;pointer-events:none;content:"";opacity:.36;background-image:radial-gradient(circle at 12% 18%,#ffffffb8 0 1px,#0000 1.2px),radial-gradient(circle at 72% 33%,#ffffff8c 0 1px,#0000 1.2px),radial-gradient(circle at 43% 74%,#ffffff73 0 1px,#0000 1.2px),radial-gradient(circle at 88% 82%,#ffffff8c 0 1px,#0000 1.2px);background-size:370px 310px,410px 380px,520px 470px,610px 540px;position:fixed;inset:0}::selection{color:var(--bg);background:var(--focus)}a{color:inherit;text-underline-offset:.22em;text-decoration-color:#d8b56a7a}button,input,summary{font:inherit;touch-action:manipulation}button,summary,a{outline:none}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--font-fraunces), Georgia, serif;letter-spacing:-.035em;text-wrap:balance;font-weight:560;line-height:.99}p{text-wrap:pretty}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:200;color:var(--bg);background:var(--focus);border-radius:999px;padding:.7rem 1rem;font-weight:750;position:fixed;top:.75rem;left:.75rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.eyebrow{color:var(--brass);letter-spacing:.16em;text-transform:uppercase;margin-bottom:.75rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.76rem;font-weight:680;line-height:1.4}.site-header{z-index:100;height:var(--header-height);padding-top:env(safe-area-inset-top,0px);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#070a12e0;border-bottom:1px solid #d8b56a1f;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;width:min(100% - 2rem,1480px);height:100%;margin-inline:auto;display:flex}.site-brand{min-height:44px;color:var(--text);align-items:center;gap:.7rem;font-weight:720;text-decoration:none;display:inline-flex}.site-brand__mark{border:1px solid var(--brass);border-radius:50%;width:23px;height:23px;display:inline-block;position:relative}.site-brand__mark:after{content:"";background:var(--sun);width:4px;height:4px;box-shadow:0 0 10px var(--sun);border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.site-nav{align-items:center;gap:.35rem;display:flex}.site-nav a,.site-menu nav a{min-height:44px;color:var(--muted);border-radius:999px;align-items:center;padding:.4rem .9rem;font-size:.9rem;font-weight:620;text-decoration:none;display:inline-flex}.site-nav a:hover,.site-menu nav a:hover{color:var(--text);background:#ffffff0e}.site-menu{display:none;position:relative}.site-menu summary{min-height:44px;color:var(--text);border:1px solid var(--line);cursor:pointer;border-radius:999px;align-items:center;padding:.35rem .9rem;list-style:none;display:flex}.site-menu summary::-webkit-details-marker{display:none}.site-menu nav{border:1px solid var(--line);border-radius:var(--radius-md);width:min(78vw,230px);box-shadow:var(--shadow);background:#111a2a;padding:.55rem;display:grid;position:absolute;top:calc(100% + .6rem);right:0}.button-row{flex-wrap:wrap;gap:.75rem;display:flex}.button{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.65rem;min-height:48px;padding:.76rem 1.12rem;font-size:.92rem;font-weight:720;line-height:1;text-decoration:none;display:inline-flex}.button--primary{color:#10131b;background:var(--brass);border-color:var(--brass);box-shadow:0 8px 30px #d8b56a2e}.button--primary:hover{background:#e5c886;border-color:#e5c886;transform:translateY(-1px)}.button--secondary{color:var(--text);background:#ffffff09;border-color:#f6f0e52e}.button--secondary:hover{border-color:var(--brass);background:#ffffff13}.text-button{min-height:44px;color:var(--brass);cursor:pointer;text-underline-offset:.25em;background:0 0;border:0;padding:.4rem 0;font-weight:700;-webkit-text-decoration:underline #d8b56a73;text-decoration:underline #d8b56a73}.hero{min-height:calc(100svh - var(--header-height));padding:clamp(5rem, 10vw, 9rem) max(1.25rem, env(safe-area-inset-left));isolation:isolate;place-items:center;display:grid;position:relative;overflow:hidden}.hero:after{z-index:-1;content:"";background:linear-gradient(transparent, var(--bg));height:12rem;position:absolute;inset:auto 0 0}.hero__content{z-index:2;text-align:center;width:min(100%,920px);position:relative}.hero h1{max-width:880px;margin:0 auto 1.5rem;font-size:clamp(3.7rem,9.7vw,8.8rem);line-height:.88}.hero__summary{color:#c8d0dc;max-width:690px;margin:0 auto 2rem;font-size:clamp(1.05rem,2.2vw,1.3rem);line-height:1.55}.hero .button-row{justify-content:center}.hero__signature{color:var(--muted);margin:1.5rem 0 0;font-size:.88rem}.hero__signature a{text-decoration-color:#d8b56a7a}.hero__orbit{z-index:0;aspect-ratio:2.25;border:1px solid #d8b56a2e;border-radius:50%;width:min(86vw,1040px);position:absolute;top:50%;left:50%;transform:translate(-50%,-48%)rotate(-5deg)}.hero__sun{background:#ffd785;border-radius:50%;width:1rem;height:1rem;position:absolute;top:50%;left:51%;transform:translate(-50%,-50%);box-shadow:0 0 42px 18px #f08a4b4d}.hero__earth{background:radial-gradient(circle at 34% 28%,#c8edff,#4b91c8 47%,#122a49 100%);border:1px solid #d8efffa6;border-radius:50%;width:2.1rem;height:2.1rem;position:absolute;top:71%;right:6%;box-shadow:0 0 24px #85c7f238}.hero__preview{z-index:3;justify-content:center;gap:.55rem;display:flex;position:absolute;bottom:2.5rem;left:max(1.25rem,4vw);right:max(1.25rem,4vw)}.hero__preview>span{border-radius:var(--radius-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#070a12a8;border:1px solid #d8b56a2e;min-width:170px;padding:.8rem 1rem;display:grid}.hero__preview b{font-family:var(--font-fraunces), Georgia, serif;font-size:1.05rem}.hero__preview small{color:var(--muted);font-size:.72rem}.tour-progress{top:var(--header-height);z-index:80;min-height:var(--progress-height);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#070a12e6;border-block:1px solid #d8b56a1f;position:sticky}.tour-progress__desktop{width:min(100% - 2rem,1100px);min-height:var(--progress-height);justify-content:center;align-items:stretch;margin:0 auto;padding:0;list-style:none;display:flex}.tour-progress__desktop li{flex:1}.tour-progress__desktop a{color:#7f8b9e;justify-content:center;align-items:center;gap:.45rem;height:100%;min-height:55px;font-size:.76rem;font-weight:680;text-decoration:none;display:flex}.tour-progress__desktop a span{border:1px solid #a9b4c540;border-radius:50%;place-items:center;width:1.4rem;height:1.4rem;font-family:ui-monospace,monospace;font-size:.66rem;display:grid}.tour-progress__desktop a[aria-current=step]{color:var(--text);box-shadow:inset 0 -2px var(--brass)}.tour-progress__desktop a[aria-current=step] span{color:var(--bg);background:var(--brass);border-color:var(--brass)}.tour-progress__mobile{display:none}.tour-layout{grid-template-columns:minmax(420px,.92fr) minmax(520px,1.08fr);align-items:start;gap:clamp(2rem,5vw,6rem);width:min(100% - 3rem,1500px);margin-inline:auto;display:grid}.tour-scene-column,.lab-scene-column{top:calc(var(--header-height) + var(--progress-height) + 1.5rem);height:calc(100svh - var(--header-height) - var(--progress-height) - 3rem);min-height:520px;padding-block:1rem;position:sticky}.tour-scene-panel,.lab-scene-panel{border-radius:var(--radius-lg);height:100%;box-shadow:var(--shadow);background:radial-gradient(circle at 48% 44%,#35588733,#0000 38%),linear-gradient(145deg,#101827f5,#070a12f0);border:1px solid #d8b56a2e;position:relative;overflow:hidden}.scene-viewport{position:absolute;inset:0}.scene-viewport__poster,.scene-viewport__canvas{transition:opacity .35s;position:absolute;inset:0}.scene-viewport__canvas{z-index:2;opacity:0}.scene-viewport[data-ready=true] .scene-viewport__canvas{opacity:1}.scene-viewport[data-ready=true] .scene-viewport__poster{opacity:0}.scene-guide{z-index:8;max-width:31rem;color:var(--text);pointer-events:none;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#070a12c7;border:1px solid #f6f0e51f;border-radius:14px;gap:.45rem;padding:.75rem .85rem;display:grid;position:absolute;top:1rem;left:1rem;right:1rem;box-shadow:0 12px 34px #0003}.scene-guide__heading,.scene-guide__labels{grid-template-columns:1fr auto;align-items:baseline;gap:.75rem;display:grid}.scene-guide__heading span{color:var(--brass);letter-spacing:.09em;text-transform:uppercase;font-family:ui-monospace,monospace;font-size:.64rem}.scene-guide__heading strong{white-space:nowrap;font-family:ui-monospace,monospace;font-size:.82rem}.scene-guide__track{background:linear-gradient(90deg,#85c7f257,#d8b56a7a,#f08a4b9e);border:1px solid #f6f0e51f;border-radius:999px;height:7px;margin:.15rem 7px 0;position:relative}.scene-guide[data-focus=direction] .scene-guide__track{background:linear-gradient(90deg,#85c7f2 0 25%,#d8b56a 25% 50%,#f08a4b 50% 75%,#7899bd 75% 100%)}.scene-guide__current-marker,.scene-guide__today-marker{display:block;position:absolute;top:50%;transform:translate(-50%,-50%)}.scene-guide__current-marker{left:var(--scene-current-position);background:var(--focus);border:2px solid var(--bg);border-radius:50%;width:14px;height:14px;box-shadow:0 0 0 1px #ffd97acc,0 0 16px #ffd97a80}.scene-guide__today-marker{left:var(--scene-today-position);background:var(--ice);border-radius:999px;width:3px;height:17px;box-shadow:0 0 8px #85c7f280}.scene-guide__labels{color:var(--muted);grid-template-columns:minmax(4rem,1fr) minmax(10rem,2fr) minmax(4rem,1fr);font-size:.62rem;line-height:1.35}.scene-guide__labels span:nth-child(2){color:#d3dae5;text-align:center}.scene-guide__labels span:last-child{text-align:right}.orbital-poster{width:100%;height:100%}.orbital-poster text{fill:var(--text);font-family:var(--font-switzer), sans-serif;font-size:13px}.orbital-poster .orbital-poster__muted{fill:var(--muted);font-size:11px}.tour-scene-panel__caption{z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#070a12b8;border:1px solid #f6f0e51a;border-radius:14px;justify-content:space-between;align-items:end;gap:1rem;padding:.9rem 1rem;display:flex;position:absolute;bottom:1rem;left:1rem;right:1rem}.tour-scene-panel__caption div{gap:.1rem;display:grid}.tour-scene-panel__caption div span{color:var(--brass);letter-spacing:.12em;text-transform:uppercase;font-family:ui-monospace,monospace;font-size:.65rem}.tour-scene-panel__caption strong{font-size:.9rem}.scale-badge,.period-pill{min-height:30px;color:var(--brass);letter-spacing:.06em;background:#d8b56a14;border:1px solid #d8b56a3d;border-radius:999px;flex:none;align-items:center;padding:.25rem .6rem;font-family:ui-monospace,monospace;font-size:.65rem;display:inline-flex}.tour-content{min-width:0}.tour-chapter{min-height:88svh;scroll-margin-top:calc(var(--header-height) + var(--progress-height) + 1.5rem);padding:clamp(6rem,13vh,9rem) 0}.chapter-heading{margin-bottom:2rem}.chapter-heading__meta,.lab-section__heading,.section-title-row{justify-content:space-between;align-items:center;gap:1rem;display:flex}.chapter-heading__meta .eyebrow{margin-bottom:0}.chapter-heading h2{max-width:760px;margin-bottom:1.3rem;font-size:clamp(2.65rem,5.2vw,5.8rem)}.chapter-heading h2 span{color:var(--brass);font-family:var(--font-switzer), sans-serif;letter-spacing:.09em;text-transform:uppercase;margin-top:.5rem;font-size:clamp(.9rem,1.2vw,1.05rem);font-weight:680;line-height:1.3;display:block}.chapter-lede,.page-lede{color:#c8d0dc;max-width:700px;font-size:clamp(1.08rem,1.8vw,1.28rem);line-height:1.65}.cause-chain{border-block:1px solid var(--line);gap:0;margin:2.5rem 0;padding:0;list-style:none;display:grid}.cause-chain li{border-bottom:1px solid #d8b56a1f;grid-template-columns:3rem 1fr;gap:1rem;padding:1.15rem 0;display:grid}.cause-chain li:last-child{border-bottom:0}.cause-chain>li>span{color:var(--brass);font-family:ui-monospace,monospace;font-size:.76rem}.cause-chain h3,.three-facts h3,.feedback-grid h3{font-family:var(--font-switzer), sans-serif;letter-spacing:-.01em;margin-bottom:.35rem;font-size:1.02rem;line-height:1.25}.cause-chain p,.three-facts p,.feedback-grid p{color:var(--muted);margin-bottom:0;font-size:.93rem}.explain-card,.modern-warming-note,.contact-card,.method-card{border:1px solid var(--line);border-radius:var(--radius-md);background:linear-gradient(145deg,#101827eb,#162238b8);padding:clamp(1.35rem,3vw,2.2rem)}.explain-card--blue{box-shadow:inset 3px 0 var(--ice);border-color:#85c7f240}.explain-card h3,.modern-warming-note h3,.recap-cta h3,.contact-card h2,.method-card h2{margin-bottom:.8rem;font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.08}.explain-card p:last-child,.modern-warming-note p:last-child,.method-card p:last-child{color:#c5cedb;margin-bottom:0}.three-facts,.feedback-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;margin:2rem 0;display:grid}.three-facts article,.feedback-grid article{border-radius:var(--radius-sm);background:#10182794;border:1px solid #f6f0e514;padding:1.15rem}.three-facts article>span,.feedback-grid article>span{color:var(--brass);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.1rem;font-family:ui-monospace,monospace;font-size:.67rem;display:block}.parameter-control,.lab-control{border-radius:var(--radius-md);background:#101827e0;border:1px solid #d8b56a38;margin:2rem 0 1rem;padding:1.3rem}.parameter-control__header,.lab-control__header{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.8rem;display:flex}.parameter-control__header label,.lab-control__header label{font-weight:720}.parameter-control__header output,.lab-control__header output{color:var(--brass);font-variant-numeric:tabular-nums;font-family:ui-monospace,monospace;font-size:.9rem}input[type=range]{cursor:pointer;appearance:none;background:0 0;width:100%;height:44px;margin:0}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--ice), var(--brass), var(--sun));border-radius:999px;height:6px;box-shadow:inset 0 0 0 1px #ffffff1a}input[type=range]::-moz-range-track{background:linear-gradient(90deg, var(--ice), var(--brass), var(--sun));border-radius:999px;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--text);border:4px solid var(--brass);border-radius:50%;width:24px;height:24px;margin-top:-9px;box-shadow:0 2px 14px #0000006b}input[type=range]::-moz-range-thumb{background:var(--text);border:4px solid var(--brass);border-radius:50%;width:18px;height:18px}input[type=range]:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:999px}.parameter-control__labels{min-height:2.7rem;color:var(--muted);justify-content:space-between;font-size:.7rem;display:flex;position:relative}.parameter-control__today{top:0;left:var(--today-position);color:var(--brass);justify-items:center;display:grid;position:absolute;transform:translate(-50%)}.parameter-control__today:before{content:"";background:var(--brass);width:1px;height:8px}.mini-readout{grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin:1rem 0;display:grid}.mini-readout>div{background:#ffffff06;border:1px solid #f6f0e512;border-radius:10px;gap:.25rem;padding:.8rem;display:grid}.mini-readout span{color:var(--muted);font-size:.68rem}.mini-readout strong{font-variant-numeric:tabular-nums;font-size:.82rem}.scale-note{color:var(--muted);font-size:.82rem}.reading-card{background:radial-gradient(circle at 92% 12%, #85c7f221, transparent 16rem), var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid #85c7f240;margin:2rem 0;padding:clamp(1.35rem,3vw,2.3rem)}.reading-card h3{margin-bottom:.55rem;font-size:clamp(1.8rem,4vw,3rem)}.reading-card__definition{max-width:520px;color:var(--muted)}.reading-card__value{align-items:baseline;gap:.65rem;margin:1.2rem 0 .2rem;display:flex}.reading-card__value strong,.lab-result__reading strong{font-family:var(--font-fraunces), Georgia, serif;letter-spacing:-.06em;font-variant-numeric:tabular-nums;font-size:clamp(4.2rem,10vw,7rem);font-weight:560;line-height:.9}.reading-card__value span,.lab-result__reading span{color:var(--brass);font-family:ui-monospace,monospace}.reading-card__delta{color:var(--ice);font-weight:700}.reading-card__interpretation{margin:1.5rem 0 .65rem;font-size:1.08rem;font-weight:680}.reading-card__caveat,.lab-result__caveat{color:var(--muted);margin-bottom:0;font-size:.78rem}.takeaways{gap:.75rem;margin:2rem 0;padding:0;list-style:none;display:grid}.takeaways li{border-bottom:1px solid var(--line);grid-template-columns:2.6rem 1fr;align-items:start;gap:1rem;padding:1rem 0;display:grid}.takeaways span{width:2.5rem;height:2.5rem;color:var(--bg);background:var(--brass);border-radius:50%;place-items:center;font-weight:800;display:grid}.takeaways p{margin:0;font-size:1.08rem}.modern-warming-note{box-shadow:inset 3px 0 var(--sun);border-color:#f08a4b4d;margin:2rem 0}.recap-cta{border-radius:var(--radius-md);background:#d8b56a12;border:1px solid #d8b56a47;justify-content:space-between;align-items:center;gap:2rem;margin:2rem 0;padding:1.5rem;display:flex}.recap-cta h3,.recap-cta p{margin-bottom:0}.chapter-nav{border-top:1px solid var(--line);justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.25rem;display:flex}.chapter-nav a{min-height:44px;color:var(--muted);align-items:center;font-size:.86rem;font-weight:700;text-decoration:none;display:inline-flex}.chapter-nav a:hover{color:var(--text)}.chapter-nav__next{margin-left:auto;color:var(--brass)!important}.lab-page{min-height:100svh}.lab-layout{grid-template-columns:minmax(420px,.92fr) minmax(560px,1.08fr);align-items:start;gap:clamp(2rem,5vw,5rem);width:min(100% - 3rem,1500px);margin-inline:auto;display:grid}.lab-scene-column{top:calc(var(--header-height) + 1rem);height:calc(100svh - var(--header-height) - 2rem)}.lab-panel{min-width:0;padding:clamp(4rem,8vw,7rem) 0}.lab-header{grid-template-columns:minmax(260px,.85fr) 1.15fr;align-items:end;gap:2rem;margin-bottom:2rem;display:grid}.lab-header h1,.page-hero h1,.about-hero h1{margin-bottom:0;font-size:clamp(3.4rem,7vw,6.8rem)}.lab-header>p{color:var(--muted);margin-bottom:0;font-size:1.05rem}.inline-notice{color:#ffd6d6;border-radius:var(--radius-sm);background:#f1787814;border:1px solid #f1787847;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;padding:.8rem 1rem;display:flex}.inline-notice p{margin:0}.inline-notice button{min-height:44px;color:var(--text);cursor:pointer;background:0 0;border:0;text-decoration:underline}.lab-result{background:radial-gradient(circle at 90% 5%, #85c7f221, transparent 18rem), var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid #85c7f23d;grid-template-columns:1fr auto;gap:1.3rem 2rem;padding:clamp(1.35rem,3vw,2.2rem);display:grid}.lab-result h2,.lab-section h2{margin-bottom:.55rem;font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.08}.lab-result>div:first-child>p:last-child{max-width:520px;color:var(--muted);margin:0}.lab-result__reading{align-items:end;gap:.5rem;display:flex}.lab-result__reading strong{font-size:clamp(4rem,7vw,6rem)}.lab-result__delta{border-top:1px solid #85c7f229;grid-column:1/-1;gap:.35rem;padding-top:1rem;display:grid}.lab-result__delta span{color:var(--ice);font-size:.86rem;font-weight:730}.lab-result__delta strong{font-size:1rem}.lab-result__details{grid-column:1/-1;grid-template-columns:repeat(3,1fr);gap:.6rem;margin:0;display:grid}.lab-result__details div{background:#ffffff06;border:1px solid #f6f0e512;border-radius:10px;padding:.75rem}.lab-result__details dt{color:var(--muted);font-size:.68rem}.lab-result__details dd{margin:.2rem 0 0;font-size:.82rem;font-weight:700}.lab-result__caveat{grid-column:1/-1}.lab-section{border-bottom:1px solid var(--line);padding:2rem 0}.lab-section__heading>span{color:var(--brass);font-family:ui-monospace,monospace;font-size:.68rem}.preset-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin-top:1.2rem;display:grid}.preset-grid button{min-height:112px;color:var(--text);text-align:left;border-radius:var(--radius-sm);cursor:pointer;background:#101827bf;border:1px solid #f6f0e517;gap:.3rem;padding:1rem;display:grid}.preset-grid button:hover,.preset-grid button[aria-pressed=true]{border-color:var(--brass);background:#d8b56a17}.preset-grid button span,.preset-grid button small{color:var(--muted);font-size:.7rem}.preset-grid button strong{font-size:.9rem}.preset-description{color:var(--muted);border-left:2px solid var(--brass);background:#ffffff06;margin:.8rem 0 0;padding:.85rem 1rem;font-size:.84rem}.lab-control{margin:1.4rem 0 .6rem}.lab-control__facts{flex-wrap:wrap;gap:.5rem;display:flex}.lab-control__facts span{color:var(--muted);background:#ffffff06;border-radius:999px;padding:.35rem .55rem;font-size:.68rem}.lab-actions{grid-template-columns:1fr 1fr;gap:1rem;padding:2rem 0;display:grid}.lab-actions>div{border-radius:var(--radius-md);background:#101827a6;border:1px solid #f6f0e514;padding:1rem}.segmented-control{background:#00000038;border-radius:999px;grid-template-columns:1fr 1fr;gap:.3rem;padding:.25rem;display:grid}.segmented-control button{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;font-size:.76rem;font-weight:700}.segmented-control button[aria-pressed=true]{color:var(--bg);background:var(--brass)}.share-status{min-height:1.6em;color:var(--ice);font-size:.82rem}.lab-loading{min-height:70svh;color:var(--muted);place-items:center;display:grid}.editorial-page{width:min(100% - 2.5rem,1180px);min-height:70svh;margin-inline:auto;padding:clamp(4rem,9vw,8rem) 0}.editorial-page--narrow{width:min(100% - 2.5rem,880px)}.page-hero{max-width:900px;padding-bottom:clamp(3rem,8vw,6rem)}.page-hero h1,.about-hero h1{margin-bottom:1.4rem;line-height:.94}.about-hero{grid-template-columns:minmax(290px,.72fr) 1.28fr;align-items:start;gap:clamp(2.5rem,7vw,7rem);display:grid}.about-portrait{top:calc(var(--header-height) + 2rem);position:sticky}.about-portrait img{filter:sepia(.14)contrast(1.06);border-radius:var(--radius-lg);width:100%;height:auto;box-shadow:var(--shadow);border:1px solid #d8b56a47;display:block}.about-portrait p{color:var(--muted);text-align:center;margin-top:.65rem;font-family:ui-monospace,monospace;font-size:.7rem}.about-hero>div:last-child>p:not(.eyebrow):not(.page-lede):not(.signature-block){color:#bec8d6;font-size:1.03rem}.signature-block{border-top:1px solid var(--line);gap:.15rem;margin-top:2rem;padding-top:1.5rem;display:grid}.signature-block span{color:var(--muted);font-size:.83rem}.editorial-section{border-top:1px solid var(--line);padding:clamp(4rem,9vw,7rem) 0}.editorial-grid{grid-template-columns:minmax(250px,.75fr) 1.25fr;gap:clamp(2rem,7vw,7rem);display:grid}.editorial-section h2,.references h2{margin-bottom:1rem;font-size:clamp(2.2rem,5vw,4.6rem)}.editorial-section p,.contact-card p{color:#bec8d6}.contact-card{grid-template-columns:1fr 1fr;align-items:center;gap:2rem;margin-top:4rem;display:grid}.contact-card p:last-child{margin-bottom:0}.faq-list{border-top:1px solid var(--line)}.faq-list details{scroll-margin-top:calc(var(--header-height) + 1rem);border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;min-height:72px;font-family:var(--font-fraunces), Georgia, serif;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 0;font-size:clamp(1.15rem,2.5vw,1.55rem);line-height:1.25;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span:last-child{width:2rem;height:2rem;color:var(--brass);border:1px solid var(--line);border-radius:50%;flex:none;place-items:center;transition:transform .18s;display:grid}.faq-list details[open] summary>span:last-child{transform:rotate(45deg)}.faq-list details>div{max-width:720px;color:var(--muted);padding:0 3.2rem 1.6rem 0}.page-end-cta{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:1.5rem;margin-top:4rem;padding-top:3rem;display:flex}.page-end-cta p{color:var(--muted);margin:0}.method-card{margin:2rem 0 6rem}.equation-list{gap:.65rem;margin:1.5rem 0;display:grid}.equation-list code{color:var(--ice);border-radius:var(--radius-sm);background:#0000003d;border:1px solid #85c7f21f;padding:.9rem 1rem;font-size:.82rem;display:block;overflow-x:auto}.section-title-row>p{max-width:240px;color:var(--muted);font-size:.82rem}.source-table-wrap{border:1px solid var(--line);border-radius:var(--radius-md);overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;min-width:860px;font-size:.76rem}th,td{text-align:left;border-bottom:1px solid #d8b56a1a;padding:.8rem .9rem}thead th{color:var(--brass);letter-spacing:.06em;text-transform:uppercase;background:#d8b56a0e;font-family:ui-monospace,monospace;font-size:.65rem}tbody th{color:var(--text)}tbody td{color:var(--muted)}.references{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(3rem,8vw,6rem)}.references ul{gap:.7rem;padding-left:1.1rem;display:grid}.references a{color:#c9d7e8}.home-topics{border-top:1px solid var(--line);grid-template-columns:minmax(280px,.85fr) 1.15fr;gap:clamp(2rem,7vw,7rem);width:min(100% - 2.5rem,1180px);margin-inline:auto;padding:clamp(4rem,9vw,7rem) 0;display:grid}.home-topics h2,.section-heading h2,.authority-panel h2,.citation-panel h2,.related-topics h2{margin-bottom:1rem;font-size:clamp(2.2rem,5vw,4.6rem)}.home-topics>div>p:last-child,.authority-panel>p:not(.eyebrow),.citation-panel>p,.topic-action p{color:#bec8d6}.home-topics nav,.related-topics>div{border-top:1px solid var(--line);display:grid}.home-topics nav a,.related-topics a{min-height:64px;color:var(--text);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:1rem;padding:.8rem 0;font-weight:680;text-decoration:none;display:flex}.home-topics nav a:hover,.related-topics a:hover{color:var(--brass)}.topic-grid,.outreach-grid{border-top:1px solid var(--line);padding:clamp(3rem,7vw,6rem) 0}.section-heading{max-width:780px;margin-bottom:2.5rem}.topic-grid__items{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.topic-card{border:1px solid var(--line);border-radius:var(--radius-md);background:#101827b8;grid-template-columns:auto 1fr auto;align-items:start;gap:1rem;min-height:210px;padding:clamp(1.3rem,3vw,2rem);text-decoration:none;transition:border-color .18s,transform .18s;display:grid}.topic-card:first-child{grid-column:1/-1}.topic-card:hover{border-color:#d8b56a85;transform:translateY(-2px)}.topic-card>span,.outreach-grid article>span{color:var(--brass);font-family:ui-monospace,monospace;font-size:.72rem}.topic-card h3,.outreach-grid h3{margin-bottom:.65rem;font-size:clamp(1.45rem,3vw,2.2rem)}.topic-card p,.outreach-grid p{color:var(--muted);margin-bottom:0;font-size:.92rem}.topic-card>b{color:var(--brass);font-size:1.25rem}.authority-panel,.citation-panel,.article-author{border-radius:var(--radius-lg);background:linear-gradient(135deg,#d8b56a1f,#101827e0);border:1px solid #d8b56a4d;margin-top:clamp(3rem,8vw,7rem);padding:clamp(2rem,6vw,4.5rem)}.authority-panel>p:not(.eyebrow),.citation-panel>p,.article-author>p:not(.eyebrow){max-width:760px}.breadcrumbs{color:var(--muted);flex-wrap:wrap;gap:.45rem;margin-bottom:clamp(2rem,5vw,4rem);font-size:.78rem;display:flex}.breadcrumbs a{color:var(--muted)}.topic-hero{padding-bottom:clamp(2.5rem,6vw,4.5rem)}.topic-period{color:var(--ice);background:#85c7f214;border:1px solid #85c7f233;border-radius:999px;margin-top:.5rem;padding:.5rem .8rem;font-size:.78rem;font-weight:680;display:inline-flex}.topic-facts{background:var(--line);border:1px solid var(--line);border-radius:var(--radius-md);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid;overflow:hidden}.topic-facts>div{background:#0c121f;padding:clamp(1.3rem,3vw,2rem)}.topic-facts span{color:var(--brass);letter-spacing:.08em;text-transform:uppercase;font-family:ui-monospace,monospace;font-size:.68rem}.topic-facts h2{margin:.75rem 0 .6rem;font-size:clamp(1.35rem,2.8vw,2rem)}.topic-facts p{color:var(--muted);margin:0;font-size:.88rem}.topic-body{width:min(100%,840px);margin-inline:auto;padding:clamp(3rem,8vw,7rem) 0}.topic-body section+section{border-top:1px solid var(--line);margin-top:clamp(2.5rem,6vw,5rem);padding-top:clamp(2.5rem,6vw,5rem)}.topic-body h2,.topic-action h2,.topic-faq>h2,.article-author h2{margin-bottom:1.2rem;font-size:clamp(2rem,4.5vw,3.8rem)}.topic-body p{color:#c4cedb;font-size:clamp(1rem,1.5vw,1.08rem)}.topic-action{background:var(--surface);border-radius:var(--radius-lg);border:1px solid #85c7f22e;grid-template-columns:1fr auto;align-items:center;gap:2rem;padding:clamp(2rem,5vw,3.5rem);display:grid}.topic-action p:last-child{margin-bottom:0}.topic-faq{width:min(100%,840px);margin-inline:auto;padding-top:clamp(4rem,9vw,7rem)}.topic-faq details{border-top:1px solid var(--line)}.topic-faq details:last-child{border-bottom:1px solid var(--line)}.topic-faq summary{cursor:pointer;min-height:68px;font-family:var(--font-fraunces), Georgia, serif;justify-content:space-between;align-items:center;gap:1rem;font-size:1.16rem;list-style:none;display:flex}.topic-faq summary::-webkit-details-marker{display:none}.topic-faq details p{max-width:700px;color:var(--muted)}.article-author a{color:var(--brass);font-weight:680}.related-topics{padding-top:clamp(4rem,9vw,7rem)}.related-topics>div{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:2rem}.outreach-grid__items{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.outreach-grid article{border:1px solid var(--line);border-radius:var(--radius-md);background:#101827b8;padding:clamp(1.5rem,4vw,2.5rem)}.outreach-grid article a{color:var(--brass);margin-top:1.2rem;font-weight:680;display:inline-block}.citation-panel__note{border-top:1px solid var(--line);padding-top:1rem;font-size:.86rem}.site-footer{padding:clamp(3rem,7vw,5rem) max(1.25rem,50% - 690px);padding-bottom:calc(clamp(3rem, 7vw, 5rem) + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:#080c15;grid-template-columns:1.2fr 1fr;gap:2.5rem;display:grid}.site-footer__title{font-family:var(--font-fraunces), Georgia, serif;margin-bottom:.35rem;font-size:1.55rem}.site-footer__copy,.site-footer__meta{color:var(--muted);font-size:.82rem}.site-footer nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem 1rem;display:grid}.site-footer nav a{min-height:44px;color:var(--muted);align-items:center;font-size:.84rem;text-decoration:none;display:inline-flex}.site-footer nav a:hover{color:var(--text)}.site-footer__meta{border-top:1px solid #d8b56a1a;grid-column:1/-1;margin:0;padding-top:1.5rem}.error-page{place-content:center;justify-items:start;min-height:100svh;padding:2rem;display:grid}.error-page h1{max-width:720px;margin-bottom:1rem;font-size:clamp(3rem,8vw,7rem)}.error-page p:not(.eyebrow){max-width:600px;color:var(--muted)}@media (max-width:980px){.tour-layout,.lab-layout{grid-template-columns:1fr;gap:0;width:min(100% - 2rem,780px)}.tour-scene-column,.lab-scene-column{top:calc(var(--header-height) + var(--progress-height));z-index:30;background:linear-gradient(var(--bg) 80%, transparent);height:clamp(220px,40svh,360px);min-height:0;padding:0}.lab-scene-column{top:var(--header-height)}.tour-scene-panel,.lab-scene-panel{border-radius:var(--radius-md)}.tour-scene-panel__caption{padding:.65rem .8rem;bottom:.65rem;left:.65rem;right:.65rem}.scene-guide{gap:.35rem;max-width:none;padding:.55rem .65rem;top:.65rem;left:.65rem;right:.65rem}.scene-guide__labels{grid-template-columns:1fr minmax(8rem,2fr) 1fr;font-size:.57rem}.tour-chapter{min-height:auto;padding:5rem 0 3rem}.lab-panel{padding:3rem 0 5rem}}@media (max-width:760px){:root{--header-height:60px;--progress-height:54px}.site-header__inner{width:min(100% - 1.25rem,700px)}.site-nav--desktop{display:none}.site-menu{display:block}.hero{min-height:calc(100svh - var(--header-height));place-items:start center;padding:clamp(4rem,10svh,6rem) 1rem 10.5rem}.hero h1{max-width:620px;font-size:clamp(3.4rem,16.2vw,6rem)}.hero__summary{font-size:1rem}.hero__orbit{opacity:.75;width:126vw;top:55%}.hero__preview{grid-template-columns:repeat(3,minmax(0,1fr));gap:.35rem;display:grid;bottom:1.2rem;left:1rem;right:1rem}.hero__preview>span{min-width:0;padding:.6rem}.hero__preview b{font-size:.9rem}.hero__preview small{font-size:.6rem;line-height:1.35}.tour-progress__desktop{display:none}.tour-progress__mobile{width:min(100% - 1.5rem,700px);min-height:var(--progress-height);grid-template-columns:auto 1fr;align-items:center;gap:0 .7rem;margin-inline:auto;font-size:.74rem;display:grid}.tour-progress__mobile>span{color:var(--muted)}.tour-progress__mobile strong{text-align:right}.tour-progress__track{background:#a9b4c529;border-radius:99px;grid-column:1/-1;height:2px;overflow:hidden}.tour-progress__track span{background:var(--brass);height:100%;transition:width .24s;display:block}.tour-layout,.lab-layout{width:min(100% - 1rem,700px)}.tour-content,.lab-panel{padding-inline:.5rem}.chapter-heading h2{font-size:clamp(2.7rem,12vw,4.4rem)}.chapter-heading__meta{align-items:flex-start}.period-pill{white-space:nowrap}.three-facts,.feedback-grid,.mini-readout,.lab-result__details{grid-template-columns:1fr}.three-facts article,.feedback-grid article{grid-template-columns:7rem 1fr;gap:0 .7rem;display:grid}.three-facts article>span,.feedback-grid article>span{grid-row:1/span 2;margin:0}.parameter-control,.lab-control{padding:1rem}.reading-card__value strong{font-size:clamp(4rem,20vw,6rem)}.recap-cta,.lab-header,.lab-actions,.lab-result,.about-hero,.editorial-grid,.contact-card,.site-footer{grid-template-columns:1fr}.recap-cta{flex-direction:column;align-items:flex-start;gap:1.25rem}.recap-cta .button{width:100%}.lab-header{gap:1rem}.lab-header h1,.page-hero h1,.about-hero h1{font-size:clamp(3rem,14vw,5rem)}.lab-result__reading,.lab-result__delta,.lab-result__details,.lab-result__caveat{grid-column:1}.lab-result__reading{justify-content:flex-start}.preset-grid{grid-template-columns:1fr}.preset-grid button{min-height:98px}.editorial-page,.editorial-page--narrow{width:min(100% - 2rem,700px);padding-top:4rem}.about-portrait{width:min(100%,430px);margin-inline:auto;position:static}.editorial-grid,.contact-card{gap:1rem}.section-title-row,.page-end-cta{flex-direction:column;align-items:flex-start}.site-footer{padding-inline:1.25rem}.site-footer nav{grid-template-columns:1fr 1fr}.site-footer__meta{grid-column:1}}@media (max-width:390px){.site-brand{font-size:.9rem}.hero{padding-inline:.75rem}.hero h1{font-size:clamp(3rem,16.5vw,4rem)}.hero__summary{font-size:.94rem}.hero .button-row{display:grid}.hero__preview b{font-size:.78rem}.hero__preview small{font-size:.55rem}.tour-scene-panel__caption strong{font-size:.75rem}.scale-badge{font-size:.57rem}.scene-guide__heading strong{font-size:.72rem}.scene-guide__labels{grid-template-columns:1fr auto 1fr}.scene-guide__labels span:nth-child(2){max-width:9.5rem}.three-facts article,.feedback-grid article{grid-template-columns:1fr}.three-facts article>span,.feedback-grid article>span{grid-row:auto;margin-bottom:.75rem}.site-footer nav{grid-template-columns:1fr}}@media (max-width:360px){.scene-guide{gap:.28rem;padding:.42rem .5rem;top:.4rem;left:.4rem;right:.4rem}.scene-guide__labels{grid-template-columns:1fr;font-size:.61rem}.scene-guide__labels span:first-child,.scene-guide__labels span:last-child{display:none}.scene-guide__labels span:nth-child(2){max-width:none}.tour-scene-panel__caption{align-items:center;padding:.5rem .65rem;bottom:.4rem;left:.4rem;right:.4rem}.tour-scene-panel__caption div span{display:none}}@media (max-height:500px) and (orientation:landscape){.hero{min-height:650px}.tour-scene-column,.lab-scene-column{height:280px;position:relative;top:auto}}@media (max-width:760px){.home-topics,.topic-action{grid-template-columns:1fr}.home-topics{width:min(100% - 2rem,700px)}.topic-grid__items,.outreach-grid__items,.related-topics>div{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.topic-facts{grid-template-columns:1fr}.topic-action .button{width:100%}}@media (max-width:430px){.topic-card{grid-template-columns:auto 1fr;min-height:0}.topic-card>b{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}