:root{color-scheme:light;--paper:#f6f5ef;--ink:#111916;--soft:#e8e8df;--line:#d5d7ce;--muted:#47554f;--mint:#c0f6c7;--pink:#f7bbd2;--orange:#ffab84}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit}a:focus-visible{outline:3px solid #006a70;outline-offset:4px;border-radius:3px}img{max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.04em}h1{font-size:clamp(3rem,8vw,7.5rem);font-weight:850;max-width:11ch}h2{font-size:clamp(2rem,4.4vw,3.8rem);font-weight:800}h3{font-size:1.4rem}p{max-width:65ch}.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:rgba(246,245,239,.98)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.05em;font-size:1.5rem}.brand-dot{height:20px;width:20px;background:var(--orange);border-radius:50%;box-shadow:0 0 0 4px var(--ink)}.nav{display:flex;align-items:center;flex-wrap:wrap;gap:clamp(12px,2vw,30px);font-size:.9rem;font-weight:700}.nav a{text-decoration:none}.nav a:hover,.footer a:hover{text-decoration:underline}.nav .nav-play{background:var(--ink);color:#fff;padding:9px 20px;border-radius:99px}.eyebrow{text-transform:uppercase;font-size:.75rem;letter-spacing:.18em;font-weight:850}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);align-items:center;gap:40px;padding:clamp(70px,9vw,130px) 0}.hero h1{margin-bottom:24px}.hero .lede{font-size:clamp(1.2rem,2vw,1.55rem);max-width:34ch;color:#2c3832;line-height:1.42}.button{display:inline-block;background:var(--ink);color:white;border:2px solid var(--ink);padding:14px 24px;border-radius:14px;font-weight:800;text-decoration:none;line-height:1.3}.button:hover{background:#30433a}.button.secondary{color:var(--ink);background:transparent}.button.secondary:hover{background:var(--soft)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.orbit-scene{position:relative;width:min(100%,500px);aspect-ratio:1;margin:auto;background:#141c19;border-radius:40px;display:grid;place-items:center;overflow:hidden;box-shadow:16px 16px 0 #dfded4}.orbit-scene:before{content:"";position:absolute;width:82%;aspect-ratio:1;border:18px solid #ffab84;border-radius:50%;box-shadow:0 0 0 18px #141c19,0 0 0 34px #a9f0b6,0 0 0 50px #141c19,0 0 0 66px #fc79ad}.orbit-center{position:relative;z-index:1;width:52%;aspect-ratio:1;background:#141c19;border:2px solid #849b91;border-radius:50%;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-weight:900;line-height:1}.orbit-center strong{font-size:clamp(4rem,10vw,8rem);letter-spacing:-.07em}.orbit-center small{font-size:.75rem;letter-spacing:.2em}.orbit-tip{position:absolute;top:9%;left:48%;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-top:23px solid #fff}.panel{border-top:1px solid var(--line);padding:clamp(64px,8vw,110px) 0}.panel .intro{font-size:1.15rem;color:var(--muted);margin-bottom:38px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;min-height:240px}.card .number{font-size:.85rem;font-weight:850;color:#365e49;margin-bottom:36px}.card h3{margin-bottom:15px}.card p{color:#3c4942}.dark-band{background:#141c19;color:#fff;padding:clamp(64px,8vw,110px) 0}.dark-band p{color:#d2e0d6}.dark-band .button{background:var(--mint);color:var(--ink);border-color:var(--mint)}.columns{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,6vw,90px)}.page-intro{padding:clamp(65px,9vw,110px) 0 40px}.page-intro h1{font-size:clamp(3rem,7vw,6rem);max-width:14ch}.page-intro .lede{font-size:1.25rem;color:#35433a}.reading{padding:0 0 100px;max-width:880px}.reading h2{font-size:clamp(1.8rem,3vw,2.6rem);margin-top:64px}.reading p,.reading li{font-size:1.08rem;color:#28362e}.reading li{margin:12px 0}.reading ul,.reading ol{padding-left:1.6rem}.callout{padding:26px 30px;border-radius:20px;background:var(--mint);margin:36px 0}.callout p:last-child{margin-bottom:0}.formula{font-size:1.35rem;font-weight:800;background:#141c19;color:white;padding:28px;border-radius:18px;margin:28px 0;max-width:100%;overflow-wrap:anywhere}.mini-table{border-collapse:collapse;width:100%;margin:30px 0;background:white}.mini-table th,.mini-table td{padding:14px;border:1px solid var(--line);text-align:left;vertical-align:top}.mini-table th{background:var(--soft)}.footer{background:#e8e9e0;border-top:1px solid var(--line);padding:45px 0;color:#26352c;font-size:.9rem}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer a{text-decoration:none}@media(max-width:800px){.hero,.columns{grid-template-columns:1fr}.hero{padding:60px 0 90px}.orbit-scene{width:min(85%,400px);margin-top:22px}.grid{grid-template-columns:1fr}.card{min-height:0}.header-inner{align-items:flex-start;flex-direction:column;padding:18px 0}.nav{gap:14px}.nav .nav-play{padding:5px 13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--paper:#101715;--ink:#f1f5ec;--soft:#1b2821;--line:#405148;--muted:#c9d7cc}.site-header{background:#101715}.hero .lede,.reading p,.reading li,.card p,.page-intro .lede{color:#d0ddd2}.orbit-scene{box-shadow:16px 16px 0 #27352d}.card{background:#1b2821}.mini-table{background:#1b2821}.footer{background:#19251e;color:#e1eadd}.button{background:#c0f6c7;color:#101715;border-color:#c0f6c7}.button.secondary{color:#f1f5ec;background:transparent;border-color:#9eb7a3}.nav .nav-play{color:#101715}.callout{background:#2b5034}.formula{background:#273a30}.mini-table th{background:#293c30}}

.skip-link{position:absolute;left:12px;top:-100px;z-index:10;background:#c0f6c7;color:#101715;padding:8px 14px;border-radius:8px}.skip-link:focus{top:12px}
@media(prefers-color-scheme:dark){.card .number{color:#a9f0b6}.nav .nav-play{background:#c0f6c7;color:#101715}a:focus-visible{outline-color:#a9f0b6}}