/* ============================================================
   BASE STYLES — Reset, globals, typography foundations
   ============================================================ */

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

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

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

/* ─── TYPOGRAPHY ─────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--leading-tight);
  font-weight: var(--font-bold);
}

p {
  line-height: var(--leading-loose);
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ─── LAYOUT UTILITIES ───────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
}

/* ─── SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-accent-secondary);
  border-radius: var(--radius-full);
}

/* ─── SELECTION ──────────────────────────────────── */
::selection {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

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