*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--paper); background: var(--green-deep); font: 16px/1.45 var(--serif); -webkit-text-size-adjust: 100%; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.shell { width: min(100% - var(--gutter) * 2, var(--shell)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; background: var(--paper); color: var(--green); padding: 12px 20px; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; } }