/* ==========================================================
   Base — reset, typography, element defaults
   ========================================================== */

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

* { margin: 0; }

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

body {
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-heading);
  text-wrap: balance;
}
h1 { font-size: var(--text-3xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-lg); }

p { text-wrap: pretty; }

a { color: var(--color-link); text-underline-offset: 0.2em; }

ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

[id] { scroll-margin-top: calc(var(--header-h) + var(--space-4)); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* Skip link */
.skip-link {
  position: absolute;
  inset-inline-start: var(--space-4);
  top: var(--space-2);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform var(--duration-fast) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

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

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

/* Default inline icon size (sprite <use>) */
.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }