*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { opacity: .85; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -0.02em; margin: 1.6em 0 .5em; }
h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; letter-spacing: -0.03em; margin-top: 0; }
h2 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 700; }
h3 { font-size: 22px; font-weight: 700; }
p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
code, kbd, pre { font-family: var(--font-mono); font-size: .92em; }
pre { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .9em; }
blockquote { margin: 1.5rem 0; padding: .2rem 0 .2rem 1.2rem; border-left: 3px solid var(--accent); color: var(--strong); }
.visually-hidden { position: absolute !important; clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; }
.visually-hidden.focusable:focus { position: static !important; clip-path: none; width: auto; height: auto; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }