/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  font-family: 'Segoe UI', sans-serif;
  background-image: url('../images/fondo.webp'); /* Fondo agregado */
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* Barra informativa superior */
.barra-info {
  background-color: #222;
  padding: 10px 0;
  font-size: 1rem;
  position: fixed;
  width: 100%;
  z-index: 999;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: flex-start;
}

.barra-info a {
  color: #ff6f00;
  margin: 0 15px;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.barra-info a:hover {
  color: #fff;
}

/* Franja naranja superior */
.franja-naranja {
  background-color: #ff6f00;
  height: 60px;
  width: 100%;
}

/*! Contenido principal de avances */
.avances-contenido {
  max-width: 900px;
  margin: 20px auto; /* antes 100px */
  padding: 40px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 1;
}

.avances-contenido h1 {
  font-size: 2.2rem;
  font-weight: bold;
  color: #fff;
  text-align: center;
  margin-bottom: 40px;
}

.avance-cuadro {
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 4px solid #ff6f00;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.avance-cuadro:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.avance-cuadro h3 {
  color: #ff6f00;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.avance-cuadro p {
  color: #eee;
  font-size: 1rem;
  line-height: 1.6;
}

/* Animación de entrada */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  background-color: transparent;
  color: #fff;
  font-size: 0.9rem;
  padding: 20px 0;
  text-align: center;
}

/* Responsive */
@media (max-width: 576px) {
 .barra-info {
    flex-direction: row;
    padding: 8px 0;
  }


 /* barra de iconos */
.barra-info {
  display: flex;
  flex-wrap: wrap;        /* permite varias filas */
  justify-content: center;/* centra los ítems en cada fila */
}

.barra-info a {
  flex: 0 0 calc(33.333% - 10px); /* tres ítems por fila */
  text-align: center;
  margin: 5px;
  font-size: 0.8rem;
  padding: 1px;
  white-space: normal;
  word-wrap: break-word;
}

.barra-info a.doble {
  flex: 0 0 35%;          /* cada uno ocupa 40% del ancho */
  margin: 5px;            /* margen uniforme */
}

  .avances-contenido {
    padding: 20px;
    margin: 60px 20px; /* ajustado para móviles */
  }

  .avances-contenido h1 {
    font-size: 1.8rem;
  }

  .avance-cuadro h3 {
    font-size: 1.1rem;
  }

  .avance-cuadro p {
    font-size: 0.95rem;
  }
}