:root{--forest:#1c2c26;--pine:#103d1d;--lime:#e5ff42;--cloud:#e0ded7;--mist:#f5f5f1;--sage:#a7b7ab;--line:rgba(245,245,241,.2);--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--forest);color:var(--mist);font:16px/1.55 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--lime);outline-offset:6px}button{cursor:pointer}::selection{color:var(--forest);background:var(--lime)}.skip{position:fixed;top:-80px;left:16px;padding:10px 18px;background:var(--lime);color:var(--forest);z-index:10}.skip:focus{top:12px}.nav{height:88px;display:flex;justify-content:space-between;align-items:center;gap:28px;padding:0 4.3%;background:var(--forest)}.brand{display:flex;align-items:center;gap:11px;font-size:24px;font-weight:600;letter-spacing:-1px}.nav nav{display:flex;gap:32px;font-size:13px}.nav nav a{opacity:.85}.nav nav a:hover{opacity:1;color:var(--lime)}.pill{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;border-radius:999px;background:var(--lime);color:var(--forest);padding:16px 25px;font-size:13px;font-weight:600;transition:background .2s,transform .2s}.pill:hover{background:#f0ff9e;transform:translateY(-2px)}.pill span{font-size:20px;line-height:1}.nav .pill{padding:12px 19px;font-size:12px;gap:22px}.hero{min-height:770px;height:calc(100svh - 88px);max-height:1120px;position:relative;isolation:isolate;overflow:hidden}.hero-photo,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero-photo{object-position:50% 60%}.hero-shade{z-index:-1;background:linear-gradient(90deg,rgba(14,34,25,.83),rgba(14,34,25,.17) 77%),linear-gradient(0deg,rgba(10,26,19,.7),transparent 36%,rgba(10,26,19,.12))}.hero-top,.hero-bottom{position:absolute;left:4.3%;right:4.3%;display:flex;align-items:center;justify-content:space-between}.hero-top{top:34px}.eyebrow,.quiet,.hero-edition,.diagram-caption,.topic-meta,.live-dot,.range-ends{font-size:10px;letter-spacing:1.7px;text-transform:uppercase;line-height:1.5}.eyebrow{display:inline-flex;align-items:center;gap:10px}.eyebrow i{width:6px;height:6px;background:var(--lime);border-radius:100%}.hero-edition{opacity:.8}.hero-copy{padding:109px 4.3% 120px}.hero h1{font-family:var(--serif);font-weight:400;letter-spacing:-4px;line-height:.99;font-size:clamp(70px,7.3vw,120px);margin:0 0 24px;max-width:850px}.hero h1 em{color:#e7ebcc;font-weight:400}.hero-copy p{font-size:15px;line-height:1.6;margin:0 0 30px;opacity:.95}.hero-bottom{bottom:28px;font-size:11px;line-height:1.5}.hero-bottom a{display:flex;gap:55px;align-items:center}.hero-bottom a span{font-size:23px}.sun-orbit{position:absolute;width:210px;height:210px;right:10%;top:36%;border:1px solid #ffffff50;border-radius:50%;display:grid;place-items:center}.orbit-circle{width:134px;height:134px;border:1px solid #ffffff65;border-radius:50%}.orbit-dot{position:absolute;top:30px;left:26px;width:13px;height:13px;background:var(--lime);border-radius:50%;box-shadow:0 0 20px #e5ff4240}.orbit-label{position:absolute;bottom:-36px;letter-spacing:2px;font-size:9px}.orbit-cross{position:absolute;font-size:36px;font-weight:200;color:var(--lime)}.section-pad{padding:100px 6.5%}.lime{color:var(--lime)}h2{font:400 clamp(42px,4.6vw,74px)/1.12 var(--serif);letter-spacing:-2px;margin:32px 0}h2 em{font-weight:400}p{margin-top:0}.intro h2{max-width:1100px;font-size:clamp(42px,4.7vw,76px)}.intro-bottom{display:grid;grid-template-columns:1fr 1fr 1fr;gap:65px;align-items:start;margin-top:55px}.intro-bottom p{font-size:14px;color:#c3cec5;max-width:350px}.small-marker{font-size:64px;color:var(--lime);line-height:1}.research{background:var(--cloud);color:var(--forest)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.quiet{opacity:.65}.research-layout{display:grid;grid-template-columns:1fr 1fr;gap:10%;margin-top:30px}.research h2{font-size:clamp(40px,4vw,64px);margin:20px 0 50px}.tabs{border-top:1px solid #1c2c2640;display:grid}.tabs button{border:0;border-bottom:1px solid #1c2c2640;background:none;text-align:left;padding:23px 0;display:grid;grid-template-columns:33px 1fr 25px;align-items:center;color:var(--forest);font-size:16px}.tabs button span:first-child{font-size:10px;opacity:.55}.tabs button span:last-child{font-size:22px;opacity:0;transition:opacity .2s}.tabs button[aria-selected=true]{color:#275f4b;font-weight:600}.tabs button[aria-selected=true] span:last-child,.tabs button:hover span:last-child{opacity:1}.research-detail{padding:0 0 15px}.cell-diagram{height:230px;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;overflow:hidden;background:linear-gradient(135deg,#b7c3b7,#d5d8c9);margin-bottom:30px}.cell-diagram:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#1c2c2610 1px,transparent 1px),linear-gradient(90deg,#1c2c2610 1px,transparent 1px);background-size:28px 28px}.rays{font-size:27px;position:relative;color:#5d6b20;letter-spacing:10px;z-index:1;margin-bottom:12px}.cell-layer{height:24px;width:190px;transform:skewY(-12deg) rotate(0deg);border:1px solid #1c2c2640;position:relative}.layer-a{background:#7d9987}.layer-b{background:#d9e59c}.layer-c{background:#345548}.diagram-caption{position:absolute;bottom:14px;left:18px;font-size:8px;letter-spacing:2px}.research-detail h3{font:400 32px/1.17 var(--serif);letter-spacing:-.6px;margin:16px 0}.research-detail p{font-size:14px;max-width:460px}.topic-meta{font-size:8px;opacity:.7;letter-spacing:1px}.model{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:start}.model-intro h2{margin:32px 0}.model-intro h2 em{color:var(--lime)}.model-intro p{color:#ccd4cc;font-size:14px;max-width:330px}.model-note{display:block;color:var(--sage);font-size:11px;max-width:320px;margin-top:45px}.calculator{background:#243c2f;padding:32px}.calculator-top{display:flex;justify-content:space-between;gap:20px;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:26px}.calculator-top .eyebrow{font-size:8px;letter-spacing:1px}.live-dot{font-size:8px;color:var(--lime);display:flex;align-items:center;gap:7px}.live-dot:before{content:'';width:5px;height:5px;border-radius:50%;background:var(--lime)}.calculator label{display:flex;justify-content:space-between;gap:15px;font-size:12px;margin-top:22px;margin-bottom:10px}.calculator output{color:var(--lime);white-space:nowrap}.calculator input{display:block;width:100%;accent-color:var(--lime);height:16px;margin:0;cursor:ew-resize}.range-ends{display:flex;justify-content:space-between;font-size:8px;letter-spacing:0;opacity:.55;margin-top:5px}.calc-results{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);margin-top:27px;padding-top:24px}.calc-results span{display:block;color:#c1cec3;font-size:10px;max-width:150px}.calc-results strong{display:block;font-size:32px;letter-spacing:-1px;font-weight:400;margin-top:8px;white-space:nowrap}.calc-results small{font-size:11px;letter-spacing:0}.formula{border-top:1px solid var(--line);margin-top:24px;padding-top:17px;font-size:11px;color:#d0d8d0}.formula summary{cursor:pointer;display:flex;justify-content:space-between}.formula p{margin:15px 0 0}.library{border-top:1px solid var(--line)}.text-link{font-size:11px}.library h2{margin-bottom:60px}.reading-list{border-top:1px solid var(--line)}.reading-list details{border-bottom:1px solid var(--line)}.reading-list summary{list-style:none;display:grid;grid-template-columns:1fr 2fr 60px;gap:20px;padding:32px 0;align-items:start;cursor:pointer}.reading-list summary::-webkit-details-marker,.formula summary::-webkit-details-marker{display:none}.reading-no{font-size:9px;letter-spacing:1.5px;color:var(--sage);padding-top:8px}.reading-list h3{font:400 clamp(24px,2.5vw,37px)/1.18 var(--serif);margin:0;letter-spacing:-.5px}.reading-arrow{font-size:30px;line-height:1;justify-self:end;color:var(--lime);transition:transform .2s}.reading-list details[open] .reading-arrow{transform:rotate(90deg)}.reading-body{margin-left:33.333%;padding:0 60px 28px 7px;max-width:950px;color:#c5d0c7;font-size:14px}.closing{background:var(--cloud);color:var(--forest);position:relative;overflow:hidden}.closing h2{margin-bottom:36px}.closing-sun{position:absolute;right:10%;top:12%;font-size:330px;line-height:1;color:#879b78;opacity:.75}.closing .pill{position:relative;z-index:1;background:var(--forest);color:var(--mist)}footer{background:var(--pine);padding:50px 6.5% 24px}.footer-top{display:grid;grid-template-columns:1fr 1fr 1fr;gap:25px;align-items:start;border-bottom:1px solid #628c7d70;padding-bottom:45px}.footer-top p{font-size:13px;color:#c9d4c8}.footer-top>a:last-child{justify-self:end;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:9px;color:#bdd0bc;padding-top:24px}.formula[open] summary span{transform:rotate(45deg)}@media(min-width:1600px){.hero-copy{padding-top:140px}.hero{min-height:880px}.hero-copy p{font-size:17px}}@media(max-width:1000px){.nav{padding:0 5%;height:76px}.nav nav{gap:20px;font-size:11px}.nav-cta{display:none}.hero{height:calc(100svh - 76px);min-height:730px}.hero-copy{padding:125px 5% 110px}.hero h1{font-size:84px}.hero-top,.hero-bottom{left:5%;right:5%}.sun-orbit{width:150px;height:150px;right:8%;top:45%}.orbit-circle{width:94px;height:94px}.orbit-dot{top:18px;left:21px;width:9px;height:9px}.section-pad{padding:75px 6%}.intro-bottom{gap:30px;grid-template-columns:.5fr 1fr 1fr}.research-layout,.model{gap:7%}.research h2{font-size:44px}.calculator{padding:25px}.calc-results strong{font-size:25px}.closing-sun{right:-20px;top:18%;font-size:250px}}@media(max-width:650px){html{scroll-padding-top:20px}.nav{height:72px}.brand{font-size:22px}.brand img{width:24px;height:24px}.nav nav{gap:17px}.nav nav a:nth-child(2){display:none}.hero{min-height:760px;max-height:860px;height:calc(100svh - 72px)}.hero-top{top:24px}.hero-edition{display:none}.eyebrow{font-size:8px;letter-spacing:1.3px}.hero-copy{padding-top:112px;padding-bottom:100px}.hero h1{font-size:clamp(57px,13.8vw,88px);letter-spacing:-2.6px;line-height:1.03}.hero-copy p{font-size:14px;margin-top:26px}.hero-copy .pill{margin-top:6px}.hero-photo{object-position:63% 50%}.hero-shade{background:linear-gradient(90deg,rgba(12,34,23,.86),rgba(12,34,23,.34)),linear-gradient(0deg,rgba(10,26,19,.65),transparent 50%)}.sun-orbit{display:none}.hero-bottom{font-size:9px;bottom:26px;align-items:end}.hero-bottom a{gap:20px}.hero-bottom a span{font-size:22px}.section-pad{padding:62px 6%}h2{font-size:42px;letter-spacing:-1.5px}.intro h2{font-size:38px}.intro-bottom{grid-template-columns:1fr;gap:14px;margin-top:30px}.small-marker{display:none}.intro-bottom p{max-width:none}.section-head{align-items:start}.quiet{font-size:7px;max-width:100px;text-align:right}.research-layout{grid-template-columns:1fr;gap:40px;margin-top:26px}.research h2{font-size:42px;margin-bottom:30px}.tabs button{padding:19px 0}.cell-diagram{height:205px}.research-detail h3{font-size:30px}.model{grid-template-columns:1fr;gap:36px}.model-note{margin-top:22px;max-width:100%}.model-intro p{max-width:100%}.calculator{padding:25px 21px}.calc-results strong{font-size:29px}.text-link{font-size:9px;max-width:115px;text-align:right}.library h2{font-size:40px;margin-bottom:35px}.reading-list summary{grid-template-columns:1fr 30px;gap:12px;padding:26px 0}.reading-no{grid-column:1 / -1;font-size:8px;padding:0}.reading-list h3{font-size:25px}.reading-body{margin:0;padding:0 0 22px;font-size:13px}.reading-arrow{font-size:24px}.closing .eyebrow{max-width:215px}.closing h2{font-size:42px;position:relative;z-index:1}.closing-sun{font-size:170px;right:-35px;top:35%;opacity:.35}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-top .brand{grid-column:1 / -1}.footer-bottom{flex-wrap:wrap;gap:12px;font-size:8px}.footer-bottom span:last-child{width:100%}.footer-top p{font-size:12px}footer{padding:38px 6% 22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}