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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-sitio);
    color: var(--texto-principal); 
    line-height: 1.6;
}

 
.header-logo {
    background-color: var(--exito-verde); 
    color: var(--texto-blanco); 
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-nombre {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}


main {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    color: var(--color-primario); 
    font-size: 2.2rem;
    margin-bottom: 2rem;
}

.nav-opciones {
    margin-top: 2rem;
    display:block;
}

.opciones {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

#presentacion{
    margin-bottom: 10px;;
}

article {
    background-color: var(--bg-tarjeta); 
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--sombra-tarjeta); 
    flex: 1 1 300px;
    text-align: center;
    border-top: 4px solid var(--color-primario-hover); 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}


article:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1); 
}

article h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

article h3 a {
    color: var(--color-primario); 
    text-decoration: none;
}

article h3 a:hover {
    color: var(--color-primario-hover); 
    text-decoration: underline;
}

article p {
    color: var(--texto-principal); 
    font-size: 1rem;
}


footer {
    background-color: var(--bg-input);
    color: var(--texto-principal); 
    text-align: center;
    padding: 1.5rem;
    margin-top: auto; 
    border-top: 1px solid var(--borde-suave); 
}

.correo-contacto {
    color: var(--color-primario-hover); 
    text-decoration: none;
    font-weight: bold;
}

.correo-contacto:hover {
    text-decoration: underline;
    color: var(--color-primario); 
}

.oculto {
    display: none !important;
}

.modal {
    display: block; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.5); 
}

.modal-contenido {
    background-color: var(--bg-tarjeta); 
    margin: 10% auto; 
    padding: 30px;
    border: 1px solid var(--borde-fuerte); 
    width: 90%; 
    max-width: 400px;
    border-radius: 8px;
    box-shadow: var(--sombra-tarjeta);
    position: relative;
    font-family: Arial, sans-serif;
    color: var(--texto-principal); 
}

.cerrar {
    color: var(--texto-secundario); 
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.cerrar:hover,
.cerrar:focus {
    color: var(--color-primario); 
    text-decoration: none;
}


#tituloLogin {
    color: var(--color-primario); 
    font-size: 1.8em;
    margin-bottom: 20px;
    text-align: center;
}

#formLogin label, #formRecuperar p {
    font-weight: bold;
    color: var(--texto-principal); 
    font-size: 14px;
}

#formLogin input[type="text"],
#formLogin input[type="password"],
#formRecuperar input[type="email"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 15px;
    border: 1px solid var(--borde-fuerte); 
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px;
    background-color: var(--bg-input); 
    color: var(--texto-principal);
}

#formLogin button, #formRecuperar button {
    width: 100%;
    background-color: var(--exito-verde); 
    color: var(--texto-blanco); 
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

#formLogin button:hover, #formRecuperar button:hover {
    background-color: var(--exito-verde-hover);
}

#feedback, #feedback2 {
    margin-top: 10px;
    font-weight: bold;
    text-align: center;
    color: var(--texto-principal); 
}


.link-forgot {
    display: inline-block;
    margin-top: 8px;
    color: var(--color-primario); 
    text-decoration: none;
    font-size: 14px;
    text-align: center;
    width: 100%;
}

.link-forgot:hover {
    text-decoration: underline;
    color: var(--color-primario-hover); 
}

#contenedor-logout h2 {
    color: var(--color-primario); 
    font-size: 1.6em;
    margin-bottom: 10px;
    text-align: center;
}

#comentario {
    font-size: 1em;
    color: var(--texto-principal); 
    text-align: center;
    margin-bottom: 20px;
}

.opciones-logout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.opcion-logout {
    background-color: var(--exito-verde); 
    color: var(--texto-blanco); 
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    width: 100%;
    text-align: center;
    transition: background-color 0.3s, opacity 0.3s;
}

.opcion-logout:hover {
    background-color: var(--exito-verde-hover); 
}


#opcion-logout-no {
    background-color: var(--alerta-naranja); 
    color: var(--texto-blanco); 
}

#opcion-logout-no:hover {
    background-color: var(--alerta-naranja); 
    opacity: 0.8; 
}




@keyframes popIn {
    0% { 
        transform: scale(0.8); 
        opacity: 0; 
    }
    70% {
        transform: scale(1.05);
    }
    100% { 
        transform: scale(1); 
        opacity: 1; 
    }
}


@keyframes pulse {
    0% { transform: scale(1); opacity: 1;}
    50% { transform: scale(1.05); opacity: 0.8;}
    100% { transform: scale(1); opacity: 1;}
}



.modal-gamificacion {
    border: none;
    border-radius: 15px;
    padding: 0;
    box-shadow: var(--sombra-tarjeta);
    background: var(--bg-tarjeta);
    text-align: center;
    max-width: 450px;
    width: 90%;
    margin: auto; 
    color: var(--texto-principal); 
}


.modal-gamificacion::backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-logros-contenido {
    padding: 40px 30px;
    position: relative;
    animation: popInModal 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.icono-logro {
    font-size: 5rem;
    margin-bottom: 10px;
    animation: pulse 1.5s infinite;
}

#titulo_logro {
    color: var(--color-primario);
    font-size: 2em;
    margin-bottom: 10px;
}

#mensaje_logro {
    font-size: 1.1em;
    color: var(--texto-principal); 
}

.btn-cerrar-logro {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--texto-secundario); 
    transition: color 0.3s;
}

.btn-cerrar-logro:hover {
    color: var(--color-primario); 
}


.icono-logro img, #icono_logro img {
    width: 120px;
    height: 120px;
    object-fit: contain; 
    display: block;
    margin: 0 auto 15px auto; 
    filter: drop-shadow(0px 8px 15px rgba(255, 215, 0, 0.3)); 
}

@keyframes popInModal {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}


@media screen and (max-width: 768px) {
    main {
        padding: 1.5rem 1rem;
    }
    
    h1 {
        font-size: 1.6rem;
    }
    
section h1,
section h2 {
        font-size: 1.8rem;
    }
    
    .logo-img {
        height: 40px; 
    }
}



@media screen and (max-width: 480px) {
  .modal-contenido {
    padding: 20px;
    border-radius: 10px;
  }

  .cerrar {
    font-size: 24px;
  }

  #tituloLogin {
    font-size: 1.5em;
  }

  .modal-contenido input,
  .modal-contenido button[type="submit"],
  .opcion-logout {
    font-size: 1em;
    padding: 10px;
  }

  .link-forgot {
    font-size: 13px;
  }
}