/* ─── Base Reset & Globals ─── */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--charcoal);
  background-color: var(--ivory);
  line-height: var(--leading-normal);
  overflow-x: hidden;
}

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

/* ─── Focus Indicators (WCAG 2.2 AA) ─── */

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

/* Remove default outline only when :focus-visible is supported */
:focus:not(:focus-visible) {
  outline: none;
}

/* ─── Screen Reader Only Utility ─── */

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

/* ─── Skip Link (keyboard navigation) ─── */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 999;
  padding: var(--space-2) var(--space-4);
  background: var(--charcoal);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: top var(--duration-fast) var(--ease-out);
}

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

/* ─── Film Grain Overlay (editorial texture) ─── */

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}