/* ==========================================================================
   Lucidez · Base (reset ligero + tipografia + accesibilidad)
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* La transicion de tema (dia a noche) es deliberadamente calmante. */
  transition: background-color 600ms var(--ease-in-out),
              color 600ms var(--ease-in-out);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--fw-display);
  font-variation-settings: var(--fraunces-axes);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  margin: 0 0 var(--sp-4);
}

h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-md); line-height: var(--lh-snug); }

p { margin: 0 0 var(--sp-4); }

/* Numeros de ancho fijo en cualquier dato o contador. */
.tnum, time, .metric { font-variant-numeric: tabular-nums; }

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

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

/* Foco visible y calmado (nunca lo quitamos). */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* Reduced motion: conservamos color y opacidad, quitamos desplazamientos. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  body {
    transition: background-color 200ms linear, color 200ms linear;
  }
}