@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-variable.woff2') format('woff2-variations');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html, body { overflow-x: clip; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 95%;
  line-height: 1.05;
  letter-spacing: var(--track-tight);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); font-weight: 600; line-height: 1.2; letter-spacing: -0.02em; }
h4 { font-size: var(--text-lg); font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }

p {
  color: var(--color-ink-2);
  max-width: 64ch;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-short) var(--ease-out);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track-eyebrow);
  color: var(--color-muted);
}

.tnum { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1, 'cv11' 1; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { scroll-margin-top: 88px; padding: var(--section-py) 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  padding: 8px 14px;
  border-radius: var(--radius);
  z-index: 100;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.skip-link:focus { left: 8px; }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}