* , *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0 0 4px; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
p { margin: 0 0 8px; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--font-mono); font-size: 0.93em; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }