/* ============================================================
   RESET — Normalize & baseline styles
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Images & Media ── */
img, video, svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

/* ── Links ── */
a {
  color: inherit;
  text-decoration: none;
}

/* ── Lists ── */
ul, ol {
  list-style: none;
}

/* ── Form elements ── */
button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
  -webkit-appearance: none;
  appearance: none;
}

button {
  cursor: pointer;
}

/* ── Focus-visible ── */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Selection ── */
::selection {
  background: rgba(238, 255, 0, 0.4);
  color: var(--clr-white);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--clr-acid);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-acid);
}

/* ── Headings ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

/* ── SVG ── */
svg {
  flex-shrink: 0;
}

/* ── HR ── */
hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
}

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