/* ============================================================
   VARIABLES GLOBALES — paleta, tipografía, espaciados
   ============================================================ */
:root {
  /* Colores de marca (extraídos del diseño de referencia) */
  --color-naranja: #f4750f;
  --color-naranja-hover: #e0660a;
  --color-naranja-claro: #fff1e6;
  --color-rojo: #e02b2b;
  --color-rojo-claro: #fdeaea;
  --color-verde: #1d8a4a;
  --color-verde-oscuro: #166a39;
  --color-verde-claro: #eaf7ef;
  --color-azul: #1f6fd6;
  --color-azul-claro: #eaf2fc;
  --color-amarillo-estrella: #f5a623;

  --color-texto: #1a1a1a;
  --color-texto-secundario: #555555;
  --color-texto-tenue: #888888;
  --color-borde: #e3e3e3;
  --color-fondo: #ffffff;
  --color-fondo-gris: #f7f7f7;

  /* Tipografía */
  --font-principal: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Radios y sombras */
  --radio-sm: 6px;
  --radio-md: 10px;
  --radio-lg: 16px;
  --sombra-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --sombra-md: 0 4px 14px rgba(0, 0, 0, 0.10);
  --sombra-lg: 0 10px 30px rgba(0, 0, 0, 0.16);

  /* Layout */
  --ancho-maximo: 1280px;
  --espacio-seccion: 48px;
}

/* ============================================================
   RESET BÁSICO
   ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-principal);
  color: var(--color-texto);
  background: var(--color-fondo);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 15px;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.contenedor {
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  padding: 0 20px;
}

/* Accesibilidad: foco visible para navegación por teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-azul);
  outline-offset: 2px;
}

/* Respeta preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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