@font-face { font-family:"SG Serif"; src:url(assets/fonts/source-serif-4.woff2) format("woff2"); font-weight:200 900; font-style:normal; font-display:swap; }
@font-face { font-family:"SG Serif"; src:url(assets/fonts/source-serif-4-italic.woff2) format("woff2"); font-weight:200 900; font-style:italic; font-display:swap; }
:root{--bg:#F3EFE7;--card:#FFFCF6;--inset:#EEE8DD;--line:#E3DACB;--ink:#1B1934;--muted:#5D596B;--accent:#342A9E;--brass:#86621F;--shadow:rgba(42,36,112,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0F1226;--card:#181C36;--inset:#242845;--line:#2B3051;--ink:#EEE9DF;--muted:#A9A8C0;--accent:#ADA7FA;--brass:#DDB66B;--shadow:rgba(0,0,0,.25)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 ui-serif, "New York", "SG Serif", Georgia, serif}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.brand{display:block;line-height:0;border-radius:11px}
.brand img{display:block;width:44px;height:44px;border-radius:11px}
h1,h2,h3{font-weight:600}
h1{font-size:30px;line-height:1.2;margin:0}
h2{font-size:22px;line-height:1.3;margin:36px 0 10px}
h3{font-size:18px;margin:20px 0 4px}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:15px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
strong{color:var(--brass)}
.card,details{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 2px 12px var(--shadow)}
.card{padding:20px;margin:16px 0}
details{border-radius:16px;padding:0 18px;margin:10px 0}
summary{position:relative;list-style:none;cursor:pointer;font-weight:600;padding:15px 28px 15px 0}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:4px;top:50%;width:8px;height:8px;margin-top:-7px;border-right:2px solid var(--brass);border-bottom:2px solid var(--brass);transform:rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:rotate(225deg);margin-top:-3px}
details[open] summary{border-bottom:1px solid var(--line);margin-bottom:12px}
details>p{margin:0 0 16px}
nav{display:flex;gap:10px 20px;margin-top:40px;font-size:15px;flex-wrap:wrap}
ul{padding-left:22px}
@media (prefers-reduced-motion:reduce){summary::after{transition:none}}