:root{--paper:#EEEBE3;--surface:#FBFAF6;--ink:#15161A;--ink-soft:#4C4D51;--ink-faint:#847F75;--line:#D7D2C6;--line-2:#C6C0B2;--teal:#0C8074;--teal-bright:#14A997;--teal-deep:#085E55;--sh-1:0 1px 1px rgba(26,22,16,.05),0 2px 4px rgba(26,22,16,.06),0 4px 8px -2px rgba(26,22,16,.06);--font-display:"Hanken Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--font-sans:"Hanken Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--font-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--paper:#0E0F13;--surface:#191B21;--ink:#EDEBE3;--ink-soft:#A8A79E;--ink-faint:#74736B;--line:#262932;--line-2:#333741;--teal:#2FC4B2;--teal-bright:#55E3CF;--teal-deep:#1C8A7C;--sh-1:0 1px 2px rgba(0,0,0,.5),0 2px 6px rgba(0,0,0,.45);color-scheme:dark}}:root[data-theme=dark]{--paper:#0E0F13;--surface:#191B21;--ink:#EDEBE3;--ink-soft:#A8A79E;--ink-faint:#74736B;--line:#262932;--line-2:#333741;--teal:#2FC4B2;--teal-bright:#55E3CF;--teal-deep:#1C8A7C;--sh-1:0 1px 2px rgba(0,0,0,.5),0 2px 6px rgba(0,0,0,.45);color-scheme:dark}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:1.0625rem;line-height:1.7;-webkit-font-smoothing:antialiased;margin:0}body:before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:80;background:var(--paper)}a{color:var(--teal)}a:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:5px}header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:81;background:color-mix(in srgb,var(--paper) 84%,transparent);backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid var(--line)}.nav-inner{width:100%;max-width:820px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.8rem;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none}.wordmark{font-family:var(--font-display);font-weight:800;font-size:1.1rem;letter-spacing:-.03em}.teal{color:var(--teal)}.nav-right{display:flex;align-items:center;gap:1.3rem}.nav-right a{color:var(--ink-soft);font-size:.9rem;font-weight:500;text-decoration:none}.nav-right a:hover{color:var(--ink)}.theme-btn{background:var(--surface);border:1px solid var(--line-2);color:var(--ink-soft);width:36px;height:36px;border-radius:10px;display:grid;place-items:center;cursor:pointer;padding:0;box-shadow:var(--sh-1)}.theme-btn:hover{color:var(--ink)}@media (max-width:520px){.nav-right a.back{display:none}}main{width:100%;max-width:760px;margin-inline:auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px));padding-block:clamp(48px,8vw,80px)}.eyebrow{font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 1rem}h1{font-family:var(--font-display);font-weight:800;letter-spacing:-.03em;line-height:1.05;font-size:clamp(2rem,5vw,3rem);margin:0 0 .6rem;text-wrap:balance}.updated{color:var(--ink-faint);font-size:.92rem;margin:0 0 2.4rem;padding-bottom:1.6rem;border-bottom:1px solid var(--line)}h2{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;font-size:1.4rem;margin:2.6rem 0 .8rem;scroll-margin-top:5rem}h3{font-family:var(--font-display);font-weight:600;font-size:1.08rem;margin:1.8rem 0 .5rem}p{margin:0 0 1.1rem;max-width:68ch}ul{margin:0 0 1.1rem;padding-left:1.3rem;display:flex;flex-direction:column;gap:.5rem;max-width:68ch}li{padding-left:.2rem}strong{font-weight:700}.intro{font-size:1.15rem;color:var(--ink-soft);line-height:1.6;max-width:62ch}.note{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:10px;padding:1rem 1.3rem;box-shadow:var(--sh-1);margin:1.6rem 0;font-size:.96rem;color:var(--ink-soft)}.note strong{color:var(--ink)}footer{border-top:1px solid var(--line);margin-top:3rem}.foot{width:100%;max-width:760px;margin-inline:auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-block:2rem;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}.foot .links{display:flex;gap:1.3rem;flex-wrap:wrap}.foot a{color:var(--ink-soft);font-size:.9rem;text-decoration:none}.foot a:hover{color:var(--ink)}.foot .muted{color:var(--ink-faint);font-size:.85rem;font-family:var(--font-mono);letter-spacing:.04em}