/* Base element styling: typography, links, focus states, and global helpers. */

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-charcoal);
  background-color: var(--color-white);
}

h1,
h2,
h3,
h4 {
  color: var(--color-charcoal);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

p {
  color: var(--color-text-muted);
  line-height: 1.65;
}

a {
  transition: color var(--transition-fast);
}

/* Skip link: hidden until focused, then jumps above the sticky header. */
.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-4);
  z-index: 1000;
  padding: var(--space-2) var(--space-4);
  background: var(--color-green-800);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Consistent, visible keyboard focus across all interactive elements. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-gold-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.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;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

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