* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--primary-strong); text-decoration-thickness: .08em; text-underline-offset: .18em; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0 0 .55em; font-family: var(--font-display); line-height: 1.15; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3rem; }
::selection { background: var(--primary-soft); color: var(--text); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 9999; top: .5rem; left: .5rem; transform: translateY(-160%); padding: .75rem 1rem; background: var(--surface); border-radius: .75rem; box-shadow: var(--shadow-md); }
.skip-link:focus { transform: translateY(0); }