/* ============================================================
   SHARED.CSS — NovaGroup
   Reset suave, tipografías base, utilidades comunes
   ============================================================ */

/* --- Reset moderno --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 500; }

/* --- Accesibilidad: skip link --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 12px 20px;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* --- Focus visible global --- */
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* --- Utilidad screen reader only --- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --- Contenedor centrado --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* --- Helpers de visibilidad responsive --- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* --- Animaciones base (reusables) --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --- Respetar preferencia de movimiento reducido --- */
@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;
  }
}