:root{--bg:#f4f6f5;--fg:#1a2422;--muted:#5b6b66;--accent:#0f6b5c;--rule:#dbe3e0;--surface:#e8eeec}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 "Iowan Old Style", Palatino, "Palatino Linotype", serif}
.shell{display:grid;grid-template-columns:11rem minmax(0,1fr);gap:3rem;max-width:64rem;margin:0 auto;padding:calc(3rem * 1.125) 1.5rem}
.rail{position:sticky;top:3rem;align-self:start}
.brand{font-size:1.2rem;margin:0 0 .5rem}
.brand a{color:inherit;text-decoration:none}
.rail p{color:var(--muted);font-size:.9rem;margin:0 0 1.5rem}
.rail ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.55rem}
.rail a{color:var(--accent);text-decoration:none}
.rail a:hover{text-decoration:underline}
.main h1{font-size:1.7rem;margin:0 0 1.25rem;font-weight:600}
.main h2{font-size:1.05rem;margin:2.25rem 0 .6rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.main p{margin:0 0 1rem;max-width:38em}
.panel{background:var(--surface);padding:1.25rem 1.4rem;border-radius:3px;margin:1.75rem 0}
.panel p:last-child{margin-bottom:0}
.foot{grid-column:1/-1;border-top:1px solid var(--rule);padding-top:1.25rem;color:var(--muted);font-size:.875rem}
@media (max-width:52rem){.shell{grid-template-columns:1fr;gap:2rem}.rail{position:static}.rail ul{flex-direction:row;flex-wrap:wrap;gap:1.1rem}}