/* Reset CSS */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* Estructura base */
html,
body {
  height: 100%;
  width: 100%;
  line-height: 1.5;
  font-family: Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

/* Imágenes y videos responsivos */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Formularios y botones */
button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

textarea {
  resize: vertical;
}

/* Quitar decoraciones en enlaces */
a {
  text-decoration: none;
  color: inherit;
}

/* Listas */
ul,
ol {
  list-style: none;
}

/* Tablas */
table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

td,
th {
  padding: 0;
  text-align: left;
}

/* Citas */
blockquote,
q {
  quotes: none;
}

blockquote::before,
blockquote::after,
q::before,
q::after {
  content: '';
}

/* Ocultar elementos de accesibilidad */
[hidden] {
  display: none;
}