/* ─────────────────────────────────────────────────────────────
   Base · Reset + estilos elementales
───────────────────────────────────────────────────────────── */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
}

/* ─── Tipografía ─── */
h1, h2, h3, h4 {
  line-height: var(--leading-tight);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

a {
  color: var(--color-text-info);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

/* ─── Focus visible global ─── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ─── Elementos nativos — reset ─── */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

textarea { resize: vertical; }

img, svg { display: block; }

/* ─── Scrollbar discreta ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.22); }

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

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}