:root{--night-900:#070b16;--night-800:#0b1020;--night-700:#121a30;--night-600:#1b2540;--ink:#e9e6db;--ink-soft:#b9b6ac;--ink-mute:#8a8b96;--brass:#d7b877;--brass-bright:#f0d59a;--brass-deep:#a98842;--line:rgba(215,184,119,0.22);--calc:#8fc7d4;--serif:"Iowan Old Style","Palatino Linotype",Palatino,"URW Palladio L",Georgia,"Times New Roman",serif;--mono:ui-monospace,"SFMono-Regular","SF Mono",Menlo,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(1200px 700px at 50% -10%,rgba(120,96,176,.18),transparent 60%),radial-gradient(900px 600px at 85% 10%,rgba(63,112,140,.16),transparent 55%),linear-gradient(180deg,var(--night-800) 0,var(--night-900) 100%);background-attachment:fixed;font-family:var(--serif);font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:radial-gradient(1.4px 1.4px at 20% 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forwards}.wordmark{font-family:var(--serif);font-weight:400;font-size:clamp(3.4rem,11vw,7.5rem);letter-spacing:.02em;line-height:.95;margin:0;background:linear-gradient(180deg,var(--brass-bright),var(--brass-deep));-webkit-background-clip:text;background-clip:text;color:transparent;opacity:0;animation:rise 1s ease-out .25s forwards}.hairline{width:0;height:1px;margin:2rem auto;background:linear-gradient(90deg,transparent,var(--brass),transparent);animation:widen 1.4s ease-out .7s forwards}@keyframes widen{to{width:min(360px,60vw)}}.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,3.4vw,2.4rem);line-height:1.25;margin:0 auto 1.2rem;max-width:22ch;opacity:0;animation:rise 1s ease-out .5s forwards}.hero .lead{color:var(--ink-soft);font-size:clamp(1rem,1.5vw,1.18rem);max-width:56ch;margin:0 auto 2.6rem;opacity:0;animation:rise 1s ease-out .68s forwards}.cta-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;opacity:0;animation:rise 1s ease-out .85s 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.8rem;max-width:20ch}.section-lead{color:var(--ink-soft);max-width:52ch;margin:0 auto}.layers{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.4rem;gap:1.4rem}.layer{border:1px solid var(--line);border-radius:4px;padding:2rem 1.7rem;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));position:relative;overflow:hidden;transition:transform .3s ease,border-color .3s ease}.layer:hover{transform:translateY(-4px);border-color:rgba(215,184,119,.4)}.layer .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brass)}.layer h3{font-family:var(--serif);font-weight:400;font-size:1.35rem;margin:.7rem 0 .6rem}.layer p{color:var(--ink-soft);font-size:.98rem;margin:0 0 1.4rem}.layer .example{border-top:1px dashed var(--line);padding-top:1rem;font-size:.95rem}.layer.calc .tag{color:var(--calc)}.layer.calc .example{font-family:var(--mono);font-size:.85rem;color:var(--calc)}.layer.interp .example{font-family:var(--serif);color:var(--ink)}.layer.reflect .example{font-family:var(--serif);font-style:italic;color:var(--brass-bright)}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.4rem;gap:1.4rem;counter-reset:step}.step{padding:1.6rem .4rem;text-align:center}.step .num{counter-increment:step;font-family:var(--mono);font-size:.8rem;color:var(--brass);border:1px solid var(--line);width:2.6rem;height:2.6rem;line-height:2.5rem;border-radius:50%;display:inline-block;margin-bottom:1.1rem}.step .num:before{content:"0" counter(step)}.step h3{font-family:var(--serif);font-weight:400;font-size:1.2rem;margin:0 0 .5rem}.step p{color:var(--ink-soft);font-size:.95rem;margin:0}.split{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem;align-items:start}.honest-list{list-style:none;padding:0;margin:0}.honest-list li{padding:1rem 0 1rem 2rem;border-bottom:1px solid rgba(255,255,255,.06);position:relative;color:var(--ink-soft)}.honest-list li:before{content:"✦";position:absolute;left:0;top:1rem;color:var(--brass-deep);font-size:.85rem}.closing{text-align:center;padding:8rem 0 5rem}.closing h2{margin-bottom:2.2rem}.footnote{color:var(--ink-mute);font-size:.9rem;font-style:italic;margin-top:3.5rem}footer{border-top:1px solid var(--line);padding:2.5rem 0;text-align:center}footer .mark{font-family:var(--serif);font-size:1.1rem;color:var(--brass);letter-spacing:.05em}footer small{display:block;color:var(--ink-mute);margin-top:.5rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (max-width:780px){.layers,.split,.steps{grid-template-columns:1fr}.split{gap:2.5rem}section{padding:5rem 0}}@media (prefers-reduced-motion:reduce){*,body:before{animation:none!important}.cta-row,.hero .lead,.hero h1,.kicker,.wordmark{opacity:1!important}.hairline{width:min(360px,60vw)}}