:root{--paper:#f6f1e7;--paper2:#ece5d3;--card:#fffdf8;--ink:#16140e;--ink2:#4b473b;--ink3:#77715f;--rule:#d9d0ba;--signal:#ff5a1f;--signald:#c63a07;--moss:#1d6b57;--display:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background-color:var(--paper);background-image:radial-gradient(rgba(22,20,14,.06) 1px,transparent 1px);background-size:20px 20px;color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--moss);text-underline-offset:2px}
a:hover{color:var(--signald)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,241,231,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.25rem}
.brand img{display:block}
/* Dropdown menus (details/summary: keyboard operable, no JS required) */
.menu{position:relative}
.menu>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;color:var(--ink2);font-size:.88rem;font-weight:600;padding:6px 10px;border-radius:5px}
.menu>summary::-webkit-details-marker{display:none}
.menu>summary::after{content:"▾";font-size:.7em;opacity:.6}
.menu[open]>summary{background:var(--paper2);color:var(--ink)}
.menu>summary:hover{background:var(--paper2);color:var(--ink)}
.menu ul{position:absolute;left:0;top:calc(100% + 6px);min-width:230px;margin:0;padding:8px;list-style:none;background:var(--card);border:1.5px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 rgba(22,20,14,.14)}
.menu li{margin:0}
.menu ul a{display:block;padding:7px 10px;border-radius:5px;color:var(--ink2);text-decoration:none;font-size:.87rem;font-weight:600}
.menu ul a:hover{background:var(--paper2);color:var(--ink)}
.nav-desktop{display:none;gap:4px;align-items:center}
.nav-mobile>.menu-btn{background:var(--signal);color:#fff;padding:8px 14px;border-radius:6px;font-size:.9rem}
.nav-mobile>.menu-btn:hover{background:var(--signald);color:#fff}
.nav-mobile .panel{position:absolute;right:16px;left:16px;margin-top:8px;padding:14px 16px;background:var(--card);border:1.5px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 rgba(22,20,14,.14);max-height:calc(100vh - 90px);overflow-y:auto}
.panel-h{margin:12px 0 4px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3)}
.panel-h:first-child{margin-top:0}
.panel ul{list-style:none;padding:0;margin:0;position:static;min-width:0;border:0;box-shadow:none;background:none;padding:0}
.panel ul a{display:block;padding:6px 8px;border-radius:5px;color:var(--ink2);text-decoration:none;font-size:.9rem;font-weight:600}
.panel ul a:hover{background:var(--paper2);color:var(--ink)}
@media(min-width:900px){.nav-desktop{display:flex}.nav-mobile{display:none}}
@media(max-width:899px){.nav-desktop{display:none}}
.article{max-width:760px;padding-top:36px;padding-bottom:40px}
.crumbs{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3)}
.crumbs a{color:var(--ink3)}
h1{font-family:var(--display);font-size:clamp(2rem,5vw,3rem);line-height:1.08;letter-spacing:-.01em;margin:.5rem 0 1rem}
h2{font-family:var(--display);font-size:1.6rem;line-height:1.2;margin:2.4rem 0 .6rem}
h3{font-family:var(--display);font-size:1.15rem;margin:1.4rem 0 .3rem}
p,li{color:var(--ink2)}
.lead{font-size:1.15rem;color:var(--ink2)}
ol,ul{padding-left:1.3rem}
li{margin:.35rem 0}
code,kbd{font-family:var(--mono);font-size:.85em;background:var(--paper2);padding:1px 5px;border-radius:3px;color:var(--ink)}
.btn{display:inline-block;padding:.7rem 1.15rem;border:1.5px solid var(--ink);border-radius:6px;font-weight:700;font-size:.92rem;text-decoration:none;background:var(--signal);color:#fff}
.btn:hover{color:#fff;box-shadow:3px 3px 0 var(--ink);transform:translate(-1px,-1px)}
.btn.alt{background:var(--card);color:var(--ink)}
.btn.alt:hover{color:var(--ink)}
.cta{margin:1.6rem 0;padding:20px;border:1.5px solid var(--ink);border-radius:8px;background:var(--card)}
.cta p{margin:.2rem 0 .9rem;color:var(--ink)}
.note{border-left:4px solid var(--signal);background:var(--card);padding:12px 16px;border-radius:0 6px 6px 0;margin:1.2rem 0}
.note p{margin:.2rem 0}
table{border-collapse:collapse;width:100%;font-size:.9rem;margin:1rem 0;background:var(--card)}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;text-align:left;color:var(--ink3);border-bottom:2px solid var(--ink);padding:8px}
td{padding:8px;border-bottom:1px solid var(--rule);vertical-align:top;color:var(--ink2)}
.tablewrap{overflow-x:auto}
details{border-bottom:1px solid var(--rule);padding:12px 0}
details:first-of-type{border-top:1px solid var(--rule)}
summary{cursor:pointer;font-weight:700;color:var(--ink)}
details p{margin:.5rem 0 0}
.related{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}
.related a{display:inline-block;padding:.45rem .8rem;border:1.5px solid var(--ink);border-radius:6px;font-size:.85rem;font-weight:700;text-decoration:none;color:var(--ink);background:var(--card)}
footer{margin-top:40px;background:var(--ink);color:var(--paper)}
footer .foot{padding-top:32px;padding-bottom:32px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.foot-brand{grid-column:1/-1}
@media(min-width:760px){.foot-brand{grid-column:span 2}}
footer p,footer li{color:rgba(246,241,231,.7);font-size:.85rem;margin:.3rem 0}
footer a{color:var(--paper);text-decoration:none;font-size:.88rem}
footer a:hover{color:var(--signal)}
.foot-logo{color:var(--paper);font-family:var(--display);font-weight:700;font-size:1.1rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:.1rem 0}
footer h2{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(246,241,231,.5);margin:0 0 8px}
.fine{border-top:1px solid rgba(246,241,231,.15);padding:16px 0;font-size:.75rem;color:rgba(246,241,231,.55)}
.fine p{margin:.25rem 0}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}