/* Reset mínimo, tipografía general y utilidades. Sólo usa tokens. */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--height-nav);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--color-primary-line); }

a { color: inherit; }

h1, h2, h3, p { margin: 0; }

h1 {
  font-size: var(--text-h1);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -.02em;
  text-wrap: balance;
}

h2 {
  font-size: var(--text-h2);
  line-height: 1.2;
  letter-spacing: -.015em;
  text-wrap: balance;
}

h3 { font-size: var(--text-md); line-height: 1.3; }

:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

/* ── Utilidades ──────────────────────────────── */
.wrap { max-width: var(--width-page); margin: 0 auto; padding: 0 var(--space-page); }
.mono { font-family: var(--font-mono); }
.accent { color: var(--color-primary); }

/* Aparición al entrar en pantalla (la clase .vis la pone js/main.js) */
.rev { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.rev.vis { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rev { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}