/* Reset + element defaults. Loaded after tokens.css. */

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  color: var(--color-ink);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin: 0 0 var(--space-md); max-width: var(--content-max); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  transition: color var(--dur) var(--ease);
}
a:hover { color: var(--color-accent-hover); }

ul, ol { margin: 0 0 var(--space-md); padding-left: var(--space-lg); }
li { margin-bottom: var(--space-xs); }

strong, b { font-weight: var(--fw-bold); }
em, i { font-style: italic; }

small { font-size: var(--fs-sm); color: var(--color-muted); }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

/* Form element defaults */
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button { cursor: pointer; background: none; border: none; padding: 0; }

/* Focus-visible: clear ring on every interactive element */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip-to-content link (visible only when focused) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: #fff;
  text-decoration: none;
  z-index: 1000;
}
.skip-link:focus { top: 0; }

/* Reduced motion */
@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;
  }
}

/* Selection */
::selection { background: var(--color-accent); color: var(--color-ink); }