/* Reset moderno y estilos base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: clip;
  max-width: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@supports not (overflow-x: clip) {
  html {
    overflow-x: hidden;
  }
}

body {
  background-color: var(--color-bg-body);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  min-width: 0;
  position: relative;
}

/* Tipografía de encabezados */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

/* Enlaces */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

/* Selección */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
}

/* Barra de desplazamiento (Scrollbar) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-body);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-surface);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Foco de accesibilidad */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
:focus:not(:focus-visible) {
  outline: none;
}

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

/* Clases de Utilidad */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .container {
    padding-inline: 1rem;
  }
}

@media (max-width: 380px) {
  .container {
    padding-inline: 0.75rem;
  }
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}