/* ============================================================
   Blank Space — Base styles (Session 2A)
   Resets and global element defaults only. No component or
   layout rules belong in this file.
   ============================================================ */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base-size);
  line-height: var(--text-base-lh);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 400;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

button {
  font-family: inherit;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--accent);
  color: var(--bg-base);
}

/* Motion respects reduced-motion preference (7.4 restraint + a11y floor) */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Visible focus outline on every interactive element (7.5) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}