/* Purpose: Reset, document defaults, and base typography. Tokens only - no raw values. */

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

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

@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;
  }
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Fine film grain over the whole page. Adds richness that flat dark UI lacks. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 var(--space-4); }

h1 {
  font-family: var(--font-heading);
  font-size: var(--display-1);
  font-weight: var(--weight-bold);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-tighter);
}

h2 {
  font-family: var(--font-heading);
  font-size: var(--display-2);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-tight);
}

h3 {
  font-family: var(--font-body);
  font-size: var(--display-3);
  font-weight: var(--weight-bold);
  line-height: var(--leading-h3);
  letter-spacing: var(--tracking-tight);
}

h4 {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-h4);
}

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

a { color: inherit; text-decoration: none; transition: color var(--duration-base) var(--ease-out); }
a:hover { color: var(--color-primary); }

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

ul, ol { margin: 0 0 var(--space-4); padding-left: var(--space-5); }

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

::selection { background-color: var(--color-primary); color: var(--color-ink); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-primary);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  font-weight: var(--weight-semibold);
  transform: translateY(-200%);
  transition: transform var(--duration-base) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); color: var(--color-ink); }

/* Gold gradient text. Guarded so the text is never invisible where
   background-clip:text is unsupported - it simply falls back to solid orange. */
.u-gold { color: var(--color-primary); }

@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  .u-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
            background-clip: text;
    color: transparent;
  }
}