/* Base reset + accessibility foundations */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  color: var(--color-navy-900);
  margin: 0 0 var(--space-4) 0;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

p { margin: 0 0 var(--space-4) 0; }
p:last-child { margin-bottom: 0; }

a { color: var(--color-accent-500); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Visible keyboard focus everywhere — non-negotiable per accessibility brief */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-navy-900);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter-mobile);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--gutter-desktop); }
}

.section {
  padding: var(--section-space-mobile) 0;
}
@media (min-width: 1024px) {
  .section { padding: var(--section-space-desktop) 0; }
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-navy-700);
  background: var(--color-navy-100);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}
.eyebrow--on-dark {
  color: var(--color-teal-100);
  background: var(--color-navy-900);
}

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