/* =========================================
   1, 2, 4, 5: Configuración Base
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    /* 4: Imagen de fondo */
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-color: #000; /* Fondo negro de respaldo */
    
    /* 5: Letra blanca para el cuerpo */
    color: #fff;
    font-family: 'Courier New', Courier, monospace; /* Font retro/tecnológica */
    
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Evita scroll en el body principal */
}

/* Capa oscura superpuesta para mejorar legibilidad */
body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Oscurece el fondo 50% */
    z-index: -1;
}

/* Diseño Principal Centrado */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    z-index: 1;
}

.profile-header h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    text-shadow: 0 0 10px #0f0; /* Brillo verde neón */
    color: #0f0; /* Verde neón para el nombre */
}

.tagline {
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* =========================================
   6: Iconos Redondos y Animación
   ========================================= */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.icon {
    /* Tamaño Mediano */
    width: 55px;
    height: 55px;
    
    /* Redondos */
    border-radius: 50%;
    
    background-color: rgba(255, 255, 255, 0.1); /* Fondo inicial tenue */
    border: 2px solid #fff;
    color: #fff; /* Icono inicial blanco */
    
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6rem;
    text-decoration: none;
    
    /* Transición suave para el cambio de color */
    transition: all 0.3s ease-in-out; 
}

/* Cambio de color al hacer Hover (Retro Tech Style) */
.icon:hover {
    transform: scale(1.1) translateY(-5px);
    background-color: #fff; /* Fondo blanco al hover */
    box-shadow: 0 0 15px #fff;
}

/* Colores específicos de marca para los iconos al hover */
.scholar:hover { color: #4285f4; border-color: #4285f4; box-shadow: 0 0 15px #4285f4; }
.orcid:hover   { color: #a6ce39; border-color: #a6ce39; box-shadow: 0 0 15px #a6ce39; }
.linkedin:hover { color: #0077b5; border-color: #0077b5; box-shadow: 0 0 15px #0077b5; }
.facebook:hover { color: #1877f2; border-color: #1877f2; box-shadow: 0 0 15px #1877f2; }
.instagram:hover{ color: #e4405f; border-color: #e4405f; box-shadow: 0 0 15px #e4405f; }
.gmail:hover    { color: #db4437; border-color: #db4437; box-shadow: 0 0 15px #db4437; }
.uce:hover      { color: #004a99; border-color: #004a99; box-shadow: 0 0 15px #004a99; }
.github:hover   { color: #333;    border-color: #333;    box-shadow: 0 0 15px #333; }

/* =========================================
   7, 8: Footer y Navegación Inferior
   ========================================= */
.footer-nav {
    background-color: rgba(0, 0, 0, 0.8);
    padding: 15px;
    text-align: center;
    border-top: 1px solid #0f0; /* Línea verde neón */
    z-index: 1;
}

.footer-links {
    margin-bottom: 10px;
}

.footer-links a {
    color: #0f0; /* Links verdes */
    text-decoration: none;
    margin: 0 10px;
    font-weight: bold;
    transition: 0.2s;
}

.footer-links a:hover {
    text-shadow: 0 0 10px #0f0;
}

.copyright {
    font-size: 0.8rem;
    color: #888;
}

/* =========================================
   VENTANAS MODALES (ESTILOS)
   ========================================= */
.modal {
    display: none; /* Oculto por defecto */
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.9); /* Fondo muy oscuro */
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: #111; /* Fondo del cuadro */
    border: 2px solid #0f0; /* Borde verde neón */
    border-radius: 8px;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    position: relative;
    color: #0f0; /* Texto interno verde */
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
    max-height: 90vh;
    overflow-y: auto; /* Scroll interno si es necesario */
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #0f0;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: #fff;
    text-shadow: 0 0 10px #fff;
}

/* Estilos del Formulario de Contacto (7a) */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 0.9rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 10px;
    background-color: #000;
    border: 1px solid #0f0;
    color: #fff; /* Texto que escribe el usuario es blanco */
    font-family: inherit;
}

.form-group textarea {
    height: 120px;
    resize: none; /* No redimensionable */
}

#char-count {
    font-size: 0.75rem;
    color: #888;
    display: block;
    text-align: right;
}

.form-buttons {
    display: flex;
    gap: 10px;
}

.form-buttons button {
    flex: 1;
    padding: 12px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    font-family: inherit;
    transition: 0.2s;
}

.btn-send {
    background-color: #0f0;
    color: #000;
}

.btn-send:hover {
    background-color: #fff;
    box-shadow: 0 0 10px #fff;
}

.btn-reset {
    background-color: #333;
    color: #fff;
}

.btn-reset:hover {
    background-color: #555;
}

/* Estilos de la lista de Proyectos (7b) */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.project-item {
    background-color: #000;
    border: 1px solid #444;
    padding: 15px;
    border-radius: 4px;
}

.project-item h3 {
    color: #fff;
    margin-bottom: 5px;
}

.project-item p {
    font-size: 0.9rem;
    color: #ccc;
    margin-bottom: 8px;
}

.status {
    font-size: 0.8rem;
    font-weight: bold;
    color: #ffaa00; /* Color naranja para 'En proceso' */
}

.status.completed {
    color: #0f0; /* Color verde para 'Completado' */
}