:root{--bg:#f7f8f6;--surface:#ffffff;--ink:#14201a;--muted:#55645b;--pitch:#17653a;--pitch-ink:#ffffff;--chalk:#e9f2ec;--accent:#ff6a00;--accent-ink:#1a0d00;--line:#d5ded8;
--head:"Franklin Gothic Medium","Arial Narrow Bold","Helvetica Neue",Arial,sans-serif;--body:Georgia,"Times New Roman",serif;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0e1511;--surface:#16201a;--ink:#e8efe9;--muted:#9fb0a5;--pitch:#0f3d24;--chalk:#1b2a21;--line:#2a3a30;--accent:#ff8a33;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0e1511;--surface:#16201a;--ink:#e8efe9;--muted:#9fb0a5;--pitch:#0f3d24;--chalk:#1b2a21;--line:#2a3a30;--accent:#ff8a33;color-scheme:dark}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 64px)}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.65 var(--body)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--pitch);z-index:10}
a{color:inherit}
h1,h2,h3{font-family:var(--head);line-height:1.15;margin:0 0 .5em;letter-spacing:.01em}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--pitch);color:var(--pitch-ink)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;flex-wrap:wrap}
.brand{font-family:var(--head);font-size:1.25rem;text-decoration:none}
nav{display:flex;gap:18px;font-family:var(--head);font-size:1rem}
nav a{text-decoration:none;padding:6px 0}
nav a:hover,nav a:focus-visible{text-decoration:underline;text-underline-offset:4px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.hero{background:var(--pitch);color:var(--pitch-ink);position:relative;overflow:hidden}
.hero svg{position:absolute;right:-60px;top:50%;transform:translateY(-50%);height:140%;width:auto;opacity:.28;pointer-events:none}
.hero .wrap{position:relative;padding-top:64px;padding-bottom:72px}
.hero h1{font-size:clamp(2rem,6vw,3.6rem);max-width:15em}
.hero p{max-width:34em;font-size:1.15rem;margin:0 0 1.4em}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-family:var(--head);padding:12px 22px;border-radius:4px;text-decoration:none;font-size:1.05rem}
.btn:hover{filter:brightness(1.08)}
section{padding:48px 0}
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;border:1px solid var(--line);background:var(--surface)}
.cat{padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin:-1px -1px 0 0}
.cat h3{font-size:1.2rem}
.cat p{margin:0;color:var(--muted);font-size:.98rem;line-height:1.5}
.list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.list li{border-bottom:1px solid var(--line)}
.list a{display:flex;justify-content:space-between;gap:16px;padding:16px 4px;text-decoration:none}
.list a:hover span:first-child{text-decoration:underline;text-underline-offset:4px}
.list small{color:var(--muted);font-family:var(--head);white-space:nowrap}
.about{background:var(--chalk)}
.about .wrap{display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start}
.avatar{width:96px;height:96px;border-radius:50%;background:var(--pitch);color:var(--pitch-ink);display:grid;place-items:center;font-family:var(--head);font-size:1.6rem}
footer{padding:32px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;line-height:1.55}
footer a{margin-right:14px}
article{max-width:680px;margin:0 auto;padding:40px 20px 64px}
article h1{font-size:clamp(1.8rem,5vw,2.6rem)}
.meta{color:var(--muted);font-size:.95rem;margin-bottom:1.2em}
.note{border-left:4px solid var(--accent);background:var(--surface);padding:12px 16px;font-size:.95rem;margin:1.2em 0}
.toc{background:var(--surface);border:1px solid var(--line);padding:14px 20px;margin:1.2em 0}
.toc ol{margin:.4em 0 0;padding-left:1.2em}
.tw{overflow-x:auto;margin:1.2em 0}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.95rem;background:var(--surface)}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left}
th{font-family:var(--head);background:var(--chalk)}
.todo{color:var(--muted);font-style:italic}
details{border-bottom:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-family:var(--head)}
.view{display:none}.view.on{display:block}
@media (max-width:600px){.about .wrap{grid-template-columns:1fr}.hero svg{opacity:.18}}
@media (prefers-reduced-motion:no-preference){.btn{transition:filter .15s}}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:1em 0}.calc label{font-family:var(--head);font-size:.95rem}.calc input,.calc select{display:block;width:100%;margin-top:4px;padding:10px;font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:4px}button.btn{border:0;cursor:pointer}.err{color:#c62828;font-weight:bold}@media print{header,footer,.noprint,.calc,.note,.hero,body::before{display:none}}.plates{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:1em 0}.pl{background:var(--surface);border:1px solid var(--line);padding:14px}.pl h3{margin:0}.pl .ty{margin:0 0 8px;color:var(--muted);font-family:var(--head)}.pl svg{display:block;width:140px;height:140px;margin:6px auto}.lg{list-style:none;margin:8px 0;padding:0;font-size:.88rem;line-height:1.4}.lg li{margin-bottom:4px}.lg i{display:inline-block;width:12px;height:12px;margin-right:6px;border-radius:2px}.mc{font-size:.85rem;color:var(--muted);margin:6px 0 0;line-height:1.45}.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:1em 0}.vid{border:2px dashed var(--line);padding:28px 14px;text-align:center;color:var(--muted);font-size:.95rem;background:var(--surface);margin:1em 0}.vgrid .vid{margin:0}.vc{background:var(--surface);border:1px solid var(--line);padding:10px}.vc .ty{margin:0 0 6px;font-size:.95rem}
.todo{color:var(--muted);font-style:italic}