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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-white);
  color: var(--color-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-blue); text-decoration: none; }
a:hover { color: var(--color-blue-hover); text-decoration: underline; }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 500; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 62px); line-height: 1.03; letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.12; }
h3 { font-size: clamp(19px, 2.2vw, 24px); line-height: 1.2; }

p { margin: 0; }
img { max-width: 100%; display: block; }

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

.section { border-bottom: 1px solid var(--color-line); }
.section > .container { padding-top: var(--section-padding-normal); padding-bottom: var(--section-padding-normal); }
.section--hero > .container { padding-top: 72px; padding-bottom: 56px; }
.section--closing { border-bottom: none; }
.section--closing > .container { padding-top: var(--section-padding-closing); padding-bottom: var(--section-padding-closing); }
.section--muted { background: var(--color-surface); }
.section--dark { background: var(--color-ink); color: var(--color-surface); border-bottom-color: var(--color-ink); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}
.eyebrow--on-dark { color: var(--color-gray-400); }
.eyebrow--accent { color: var(--color-blue); }

.lead { font-size: clamp(17px, 2vw, 20px); line-height: 1.55; color: var(--color-gray-700); }
.lead--on-dark { color: var(--color-line-soft); }

.body-text { font-size: 16px; line-height: 1.6; color: var(--color-gray-700); }

.grid { display: grid; gap: 16px; }
.grid--auto-sm { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid--auto-md { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--auto-lg { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--tight { gap: 10px; }

.section-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-end;
  margin: 16px 0 28px;
}
.section-heading__title { margin: 0; max-width: 30ch; }
.section-heading__note { font-size: 16px; line-height: 1.55; max-width: 46ch; }

.text-caption { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--color-gray-500); }
.text-caption--muted { color: var(--color-gray-400); }

.link-underline {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-blue);
  border-bottom: 1px solid var(--color-blue-tint-line);
  display: inline-block;
  text-decoration: none;
}
.link-underline:hover { color: var(--color-blue-hover); text-decoration: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-blue);
  color: var(--color-white);
  padding: 12px 18px;
  z-index: 100;
  font-size: 15px;
  font-weight: 500;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Visually hidden but announced by screen readers — for inputs whose label the design shows
   only as a placeholder (a placeholder alone isn't a reliable accessible name). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}