:root{--ink:#243b35;--muted:#637368;--olive:#486953;--olive-dark:#284839;--terra:#aa7148;--gold:#ba8649;--paper:#faf8f3;--line:#dfe5da;--cream:#f1eee5}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.76 system-ui,-apple-system,'Segoe UI',sans-serif}
a{color:var(--olive-dark)}img{max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #be8d50;outline-offset:4px}
.container{width:min(1100px,93%);margin:auto}.topnav{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;padding:20px 0}.brand{display:inline-flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:.03em;font-size:.9rem}.brand em{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:#e3ebdf;color:var(--olive);font:normal 24px Georgia,serif}.links{display:flex;gap:17px;flex-wrap:wrap}.links a{font-size:.83rem;text-decoration:none;font-weight:750;color:#4d6456}.links a:hover{text-decoration:underline}
h1,h2,h3,.serif{font-family:Georgia,'Times New Roman',serif;font-weight:650;line-height:1.23;letter-spacing:-.024em}h1{font-size:clamp(2.5rem,6vw,5.4rem);margin:12px 0 15px}h2{font-size:clamp(1.65rem,3vw,2.3rem)}h3{font-size:1.3rem}.eyebrow{color:var(--olive);text-transform:uppercase;letter-spacing:.15em;font-size:.72rem;font-weight:850}.btn{background:var(--olive-dark);border:1px solid var(--olive-dark);color:white;text-decoration:none;display:inline-flex;justify-content:center;gap:10px;align-items:center;border-radius:11px;padding:12px 19px;font-size:.87rem;font-weight:780}.btn:hover{background:#365d48}.btn-ghost{background:#fff;color:var(--olive-dark);border:1px solid #c6d5ca}.btn-ghost:hover{background:#f3f6ef}.footer{border-top:1px solid var(--line);padding:24px 0 35px;margin-top:68px;color:var(--muted);font-size:.83rem;display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}
.hub-hero{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:0;min-height:385px;background:#e8ece0;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 17px 50px #354c3110}.hub-hero .copy{padding:43px 39px 43px 42px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.hub-hero h1{font-size:clamp(2.5rem,5vw,4.3rem);line-height:1.07}.hub-hero p{color:#53685b;max-width:490px;margin:0 0 22px;font-size:1.02rem}.hub-hero .art{width:100%;height:100%;object-fit:cover;min-height:335px;background:#e7e8d9}.intro-slim{max-width:770px;margin:50px auto 33px;text-align:center}.intro-slim p{color:var(--muted);font-size:1.02rem}.entries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.entry{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px #2b403708;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.entry:hover{transform:translateY(-4px);box-shadow:0 18px 35px #2b40371a}.entry img{width:100%;aspect-ratio:1.57;object-fit:cover;display:block}.entry .inner{padding:21px 21px 24px;display:flex;flex-direction:column;flex:1}.entry .num{font-size:.67rem;letter-spacing:.15em;color:var(--terra);font-weight:900;text-transform:uppercase}.entry h3{font-size:1.46rem;line-height:1.22;margin:9px 0 10px}.entry p{font-size:.88rem;color:#66786c;margin:0 0 17px;line-height:1.65;flex:1}.entry a{font-size:.83rem;color:var(--olive-dark);font-weight:850;text-decoration:none}.entry a:hover{text-decoration:underline}.author-note{max-width:900px;margin:42px auto 0;padding:24px 29px;border-radius:16px;border-left:4px solid #9ba78c;background:#eff1e7;color:#475f51}.author-note p{margin:5px 0}.author-note strong{color:#345541}
.article-hero{margin-top:18px;display:grid;grid-template-columns:1.04fr .96fr;border-radius:24px;overflow:hidden;background:#e9ede5;border:1px solid var(--line);min-height:310px}.article-hero .copy{padding:37px 38px}.article-hero h1{font-size:clamp(2.1rem,4.4vw,3.6rem);margin:11px 0 13px}.article-hero p{margin:0;color:#52665a;font-size:1rem}.article-hero img{width:100%;height:100%;object-fit:cover;min-height:270px}.article-stats{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}.article-stats span{font-size:.75rem;font-weight:800;padding:5px 10px;background:#ffffffb8;border:1px solid #d2dace;border-radius:99px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:31px;align-items:start;margin-top:31px}.prose{background:white;padding:29px 38px 33px;border:1px solid var(--line);border-radius:19px;min-width:0}.prose h2{margin:23px 0 11px;color:#385c48}.prose h2:first-child{margin-top:0}.prose h3{margin:18px 0 8px;color:#3b6150}.prose p{margin:8px 0 16px}.prose ul{padding-left:24px}.prose li{margin:7px 0}.prose strong{color:#3a5b47}.aside{position:sticky;top:20px;background:#eff2e9;border:1px solid #dce5d5;border-radius:17px;padding:21px;color:#4b6455;font-size:.84rem}.aside h2{font-size:1.18rem;margin:0 0 12px}.aside a{display:block;font-size:.81rem;font-weight:750;text-decoration:none;margin:10px 0}.aside a:hover{text-decoration:underline}.aside .hr{height:1px;background:#d4dfd0;margin:17px 0}.notice{margin:21px 0;padding:16px 20px;background:#f1f3e9;border-left:4px solid #83996e;border-radius:8px;color:#465d4d;font-size:.95rem}.number-result{padding:20px 23px;border:1px solid #dfebda;border-radius:13px;background:#f6f9f1;margin:15px 0 19px}.number-result strong{display:block;font-size:1.02rem}.formula{padding:12px 13px;border-radius:8px;background:#f5f7f2;text-align:center;overflow-x:auto;margin:17px 0;color:#284b3b}.tip{font-size:.8rem;color:var(--muted)}
.experiment{margin:24px 0;padding:22px;border:1px solid #dbe6d8;background:#f7f9f3;border-radius:16px}.experiment h3{margin:0 0 8px}.controls{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin:14px 0}.controls label{font-size:.81rem;font-weight:800;color:#42604d}.controls input[type=range]{accent-color:#547e59;max-width:340px;flex:1;min-width:160px}.controls button{border:1px solid #aec5b2;background:white;border-radius:8px;padding:7px 10px;color:#2d5943;font-weight:800;font-size:.82rem}.control-out{font-weight:850;color:#28503c}.viz{display:block;width:100%;max-width:520px;height:auto;background:white;border:1px solid #dde9df;border-radius:12px;margin:10px auto}.experiment .status{font-size:.9rem;background:white;border:1px solid #dbe6d8;border-radius:11px;padding:11px 13px;margin:13px 0 0;font-weight:700;color:#496252}.exercise{background:#fff9ed;border:1px solid #eee3cf;border-radius:13px;padding:18px 20px;margin:24px 0}.exercise h3{margin:0 0 7px;color:#815b38}.exercise details{margin-top:11px;border-top:1px solid #e8d8c0;padding-top:10px}.exercise summary{cursor:pointer;font-weight:800;color:#78543b}.exercise .solution{padding-top:10px}.readmore{font-size:.79rem;color:#64746a}.readmore a{overflow-wrap:anywhere}.article-end{display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;margin:24px 0 0}.text-link{font-weight:850;text-decoration:none;font-size:.85rem}.text-link:hover{text-decoration:underline}.shadow-svg{filter:drop-shadow(0 6px 12px #2a452016)}
mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden}
@media(max-width:880px){.entries{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr}.aside{position:static;display:none}}
@media(max-width:620px){.hub-hero,.article-hero{grid-template-columns:1fr}.hub-hero .copy,.article-hero .copy{padding:28px 24px}.hub-hero .art{min-height:230px;max-height:260px}.article-hero img{max-height:245px}.entries{grid-template-columns:1fr}.intro-slim{margin:32px auto 24px}.prose{padding:21px 19px 28px}.topnav{align-items:start}.links{gap:12px}.experiment{padding:15px}.footer{margin-top:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.entry{transition:none}.entry:hover{transform:none}}
@media print{.topnav,.aside,.experiment,.article-end,.footer{display:none!important}.prose{border:0;padding:0}.article-layout{display:block}.article-hero{min-height:0}.article-hero img{max-height:200px}.page-break{break-before:page}}