/* Variables para colores y espaciado consistente */
:root {
  --color-primary-dark: #679000;
  --color-primary-light: #93bd00;
  --color-text-primary: #ffffff;
  --color-text-secondary: #f0f0f0;
  --color-text-accent: #333333;
  --color-button-primary: #d32f2f;
  --color-button-hover: #b71c1c;
  --color-border: rgba(255, 255, 255, 0.3);
  --color-footer-bottom: rgba(255, 255, 255, 0.9);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --border-radius: 4px;
  --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  line-height: 1.5;
  color: var(--color-text-accent);
}

/* Área de demostración */
.screen-size {
  height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-link {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary-dark);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.back-link:hover,
.back-link:focus {
  background-color: var(--color-primary-light);
  text-decoration: underline;
}

.back-link:focus {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Estilos del footer */
.footer {
  background: linear-gradient(135deg, #679000 0%, #93bd00 100%);
  color: var(--color-text-primary);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm);
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

/* Estilos de las cajas del footer */
.footer-box {
  padding: var(--spacing-sm);
  flex: 1;
  min-width: 250px;
}

.footer-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
  font-weight: 600;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
}

.footer-title--company {
  font-size: 2.5rem;
  font-weight: 700;
}

.footer-content {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.footer-content__text {
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.footer-content__text--bold {
  font-weight: 700;
  min-width: 80px;
  margin-right: var(--spacing-sm);
}

.footer-content__link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-content__link:hover,
.footer-content__link:focus {
  text-decoration: underline;
  color: var(--color-text-secondary);
}

/* Caja 3 - Botón de cerrar sesión */
.footer-box--3 {
  border-left: 2px solid var(--color-border);
  padding: var(--spacing-md);
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 200px;
}

.footer-content__button {
  display: inline-block;
  font-size: 1.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  background-color: var(--color-button-primary);
  color: white;
  text-decoration: none;
  text-align: center;
  box-shadow: var(--box-shadow);
  border: none;
}

.footer-content__button:hover,
.footer-content__button:focus {
  background-color: var(--color-button-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.footer-content__button:focus {
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.footer-content__button:active {
  transform: translateY(0);
}

/* Footer bottom */
.footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom__text {
  margin-bottom: var(--spacing-sm);
  color: var(--color-footer-bottom);
  font-size: 1.2rem;
}

/* Mejoras de accesibilidad para usuarios que prefieren reducir el movimiento */
@media (prefers-reduced-motion: reduce) {
  .footer-content__button,
  .back-link {
    transition: none;
  }

  .footer-content__button:hover {
    transform: none;
  }
}

/* Responsive design */
@media screen and (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .footer-box {
    padding: var(--spacing-sm) 0;
  }

  .footer-box--3 {
    border-left: none;
    border-top: 2px solid var(--color-border);
    padding-top: var(--spacing-md);
    width: 100%;
  }

  .footer-content__button {
    width: 100%;
    max-width: 300px;
  }
}

@media screen and (max-width: 480px) {
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-content__text--bold {
    margin-bottom: 0.25rem;
  }

  .footer-title {
    font-size: 1.5rem;
  }

  .footer-title--company {
    font-size: 2rem;
  }
}