/* --- Cabecera con Fondo Animado "Conexión Cósmica" --- */
.head {
    width: 100%;
    height: 600px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden; /* Clave para que el fondo no se desborde */
    background-color: #EAF0FF; /* Fondo azulado claro */
}

/* Capa 1: Nebulosa de color y estrellas lentas */
.head::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        /* Nebulosa */
        radial-gradient(ellipse at 70% 80%, #3665EF1A, transparent 50%),
        radial-gradient(ellipse at 30% 20%, #00236515, transparent 50%),
        /* Estrellas lentas */
        radial-gradient(1px 1px at 20% 30%, #002365, transparent),
        radial-gradient(1px 1px at 80% 60%, #002365, transparent),
        radial-gradient(2px 2px at 50% 50%, #3665EF, transparent);
    background-size: 100% 100%;
    animation: rotateNebula 40s linear infinite alternate;
    z-index: 0;
}

/* Capa 2: Estrellas rápidas */
.head::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(1px 1px at 10% 80%, #002365, transparent),
        radial-gradient(1px 1px at 70% 10%, #3665EF, transparent),
        radial-gradient(1px 1px at 40% 90%, #002365, transparent),
        radial-gradient(2px 2px at 90% 30%, #3665EF, transparent);
    animation: moveStars 25s linear infinite;
    z-index: 0;
}

@keyframes rotateNebula {
    from { transform: rotate(0deg) scale(1); }
    to { transform: rotate(360deg) scale(1.3); }
}

@keyframes moveStars {
    from { transform: translate(0, 0); }
    to { transform: translate(-50%, -50%); }
}

.header-content {
    position: relative;
    z-index: 1;
    color: #002365; /* Color de texto principal oscuro para contraste */
}

.header-content h1 {
    font-size: 80px; 
    color: #FFC30E; /* Título principal en amarillo */
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
    margin: 0;
}
.header-content h2 {
    font-size: 30px;
    font-weight: 500;
    color: #002365; /* Subtítulo en azul oscuro */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

/* Botón "Conoce más" profesional */
.btn-header {
    display: inline-block;
    margin-top: 25px;
    padding: 15px 40px;  /* Padding aumentado */
    border: 3px solid #FFC30E;  /* Borde más grueso */
    border-radius: 50px;
    color: #FFC30E;
    background-color: transparent;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;  /* Tamaño de letra más grande */
    text-transform: uppercase;
    letter-spacing: 1.2px;
    transition: all 0.3s ease;
}

.btn-header:hover {
    background-color: #FFC30E;
    color: #002365;
    transform: translateY(-3px);
    box-shadow: 0 5px 12px rgba(255, 195, 14, 0.3);
}