body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}
main { flex: 1; }
a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-hover); }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--color-text); letter-spacing: -0.02em; }
h1 { font-size: 3rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.25rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
p { margin-bottom: 1.25rem; color: var(--color-text-muted); font-size: 1.05rem; }
ul, ol { margin-bottom: 1.5rem; padding-left: 1.5rem; color: var(--color-text-muted); font-size: 1.05rem; }
li { margin-bottom: 0.5rem; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }

.py-xl { padding-top: 6rem; padding-bottom: 6rem; }
.py-lg { padding-top: 4rem; padding-bottom: 4rem; }
.py-md { padding-top: 2rem; padding-bottom: 2rem; }
.bg-surface { background-color: var(--color-surface); }
.bg-surface-secondary { background-color: var(--color-surface-secondary); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.text-center { text-align: center; }
.max-w-3xl { max-width: 800px; margin-left: auto; margin-right: auto; }
.m-0 { margin: 0; }