/* Reset mínimo, tipografía y utilidades de accesibilidad */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font: 400 1rem/1.5 var(--font-body);
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; }
img, picture { max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

/* Foco siempre visible para quien navega con teclado (WCAG 2.4.7) */
:focus-visible { outline: 0.1875rem solid var(--color-accent); outline-offset: 0.1875rem; }
main:focus { outline: none; }

.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

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

/* Respeta a quien desactiva las animaciones en su sistema */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}