:root{--bg: #fbfaf7;--fg: #1f2328;--muted: #57606a;--accent: #0b5394;--accent-soft: #e7f0f8;--card: #ffffff;--border: #dfe2e6;--focus: #9a4d00;--mark: #fff3c4;--maxw: 68rem;--pad: clamp(1.1rem, 4vw, 2.2rem);color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #14171c;--fg: #e7eaee;--muted: #a2acb8;--accent: #8ec2f5;--accent-soft: #1d2b3a;--card: #1a1e24;--border: #2e343d;--focus: #f5b569;--mark: #4a3f14;color-scheme:dark}}:root[data-theme=dark]{--bg: #14171c;--fg: #e7eaee;--muted: #a2acb8;--accent: #8ec2f5;--accent-soft: #1d2b3a;--card: #1a1e24;--border: #2e343d;--focus: #f5b569;--mark: #4a3f14;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1.0625rem;line-height:1.65;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration-thickness:from-font;text-underline-offset:.2em}a:hover{text-decoration-thickness:.12em}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:2px}.skip-link{position:absolute;left:1rem;top:-4rem;z-index:100;background:var(--card);color:var(--fg);border:2px solid var(--focus);padding:.6rem 1rem;border-radius:.5rem;font-weight:600;transition:top .15s ease-in}.skip-link:focus{top:1rem}.site-header{border-bottom:1px solid var(--border);background:var(--bg)}.site-header-inner{max-width:var(--maxw);margin-inline:auto;padding:.9rem var(--pad);display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;justify-content:space-between}.brand{font-weight:700;font-size:1.05rem;color:var(--fg);text-decoration:none}.brand span{color:var(--muted);font-weight:500}.site-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem .9rem;margin:0;padding:0;font-size:.95rem}.site-nav a{color:var(--muted);text-decoration:none;padding:.35rem .5rem;border-radius:.45rem}.site-nav a:hover{color:var(--fg);text-decoration:underline}.site-nav a[aria-current=page]{color:var(--fg);font-weight:600;background:var(--accent-soft)}.theme-toggle{background:var(--card);color:var(--fg);border:1px solid var(--border);border-radius:.55rem;padding:.4rem .7rem;font:inherit;font-size:.9rem;cursor:pointer}.theme-toggle:hover{border-color:var(--accent)}main{max-width:var(--maxw);margin-inline:auto;padding:clamp(2rem,6vw,3.5rem) var(--pad) 4rem;display:block}.hero h1{font-size:clamp(1.9rem,5vw,2.9rem);line-height:1.15;letter-spacing:-.015em;margin:0 0 .6rem}.lede{font-size:1.15rem;color:var(--fg);max-width:44ch}.meta{color:var(--muted);font-size:.95rem}.cards{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));padding:0;list-style:none;margin:1.5rem 0}.card{background:var(--card);border:1px solid var(--border);border-radius:.8rem;padding:1.1rem 1.2rem}.card h2,.card h3{margin:0 0 .4rem;font-size:1.05rem}.card p{margin:0;color:var(--muted);font-size:.95rem}.card a{color:var(--fg);text-decoration:none}.card a:after{content:"";position:absolute;inset:0}.card{position:relative}.card:hover h2 a,.card:hover h3 a{color:var(--accent);text-decoration:underline}.timeline{list-style:none;margin:1.5rem 0 0;padding:0;border-left:2px solid var(--border)}.timeline li{position:relative;margin:0 0 1.4rem 1.4rem;max-width:46rem}.timeline li:before{content:"";position:absolute;left:calc(-1.4rem - 7px);top:.45rem;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}.timeline time{display:block;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.timeline strong{display:block;font-size:1.02rem}.timeline p{margin:.15rem 0 0;color:var(--muted)}.prose{max-width:70ch}.prose h2{font-size:1.45rem;margin-top:2.2rem;scroll-margin-top:5rem}.prose h3{font-size:1.15rem;margin-top:1.6rem}.prose table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1.2rem 0}.prose th,.prose td{border:1px solid var(--border);padding:.5rem .7rem;text-align:left;vertical-align:top}.prose th{background:var(--accent-soft)}.prose blockquote{border-left:4px solid var(--accent);margin:1.2rem 0;padding:.2rem 1.2rem;color:var(--muted)}.prose code{background:var(--accent-soft);padding:.1em .35em;border-radius:.3em;font-size:.9em}.prose pre code{background:none;padding:0}.prose img{max-width:100%;height:auto}.note{background:var(--accent-soft);border:1px solid var(--border);border-radius:.7rem;padding:.8rem 1.1rem;font-size:.95rem}.site-footer{border-top:1px solid var(--border);margin-top:3rem}.site-footer-inner{max-width:var(--maxw);margin-inline:auto;padding:1.4rem var(--pad) 2.5rem;color:var(--muted);font-size:.92rem;display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between}.site-footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem 1.2rem;margin:0;padding:0}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}