* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #f1f4f0; }
body { max-width: 920px; margin: 0 auto; padding: 24px; background: #f1f4f0; color: #222; font: 16px/1.6 Arial, sans-serif; }
a { color: #222; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 10px; top: 10px; background: #fff; padding: 8px; }
.site-header { border-bottom: 1px solid #ccc; padding-bottom: 18px; margin-bottom: 36px; }
h1 { font-size: clamp(1.35rem, 2.5vw, 2rem); line-height: 1.25; margin: 0 0 22px; }
nav { display: flex; flex-wrap: wrap; gap: 8px; }
nav a { display: inline-block; padding: 6px 10px; border: 1px solid #777; border-radius: 3px; text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { background: #e2e9e1; }
h2 { font-size: 1.5rem; line-height: 1.3; margin: 0 0 18px; }
.group-label { font-weight: bold; margin-bottom: 12px; }
.content-section { margin-bottom: 44px; scroll-margin-top: 20px; }
p { margin: 0 0 18px; }
.dialogue blockquote { margin: 0 0 18px 16px; padding-left: 16px; border-left: 2px solid #ccc; }
.dialogue span { display: block; font-weight: bold; }
.references { padding-left: 26px; overflow-wrap: anywhere; }
.references li { margin-bottom: 16px; padding-left: 4px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 700px; font-size: .9rem; }
th, td { border: 1px solid #ccc; padding: 8px; text-align: left; vertical-align: top; }
.table-wrap + p { margin-top: 18px; }
@media (max-width: 600px) { body { padding: 16px; } h1 { font-size: 1.65rem; } }