*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.55;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.5rem, 1.7rem + 3vw, 4.1rem); font-weight: 900; }
h2 { font-size: clamp(1.85rem, 1.5rem + 1.5vw, 2.65rem); font-weight: 700; }
h3 { font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.55rem); font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }

p { margin: 0 0 var(--space-4); color: var(--color-ink); }
p.lede { font-size: 1.15rem; color: var(--color-muted); }

a { color: inherit; }
ul, ol { padding-left: 1.2em; }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
}

section { padding-block: var(--space-8); }
.section-tight { padding-block: var(--space-6); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--color-accent-ink);
  border-radius: 2px;
}

.text-muted { color: var(--color-muted); }
.text-center { text-align: center; }
.max-prose { max-width: 62ch; }
.mx-auto { margin-inline: auto; }

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

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

/* Layout helpers */
.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }