/* ==========================================================================
   Northern Page — Base / Reset
   ========================================================================== */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: var(--fs-400);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: var(--lh-tight);
  margin: 0 0 var(--space-4);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-900); }
h2 { font-size: var(--fs-800); }
h3 { font-size: var(--fs-700); }
h4 { font-size: var(--fs-600); font-family: var(--font-body); font-weight: 700; }

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

a { color: inherit; text-decoration: none; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

button { cursor: pointer; }

/* Accessible, visible focus states everywhere */
:focus-visible {
  outline: 2.5px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--gold);
  color: var(--white);
}

.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;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--navy-900);
  color: var(--paper);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-base) var(--ease-out);
}

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