/* Botón Flotante de Navegación - Siempre Visible */
.floating-nav {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Botón principal flotante */
.floating-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #003366 0%, #00509E 100%);
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 51, 102, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.floating-nav-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 51, 102, 0.4);
    background: linear-gradient(135deg, #00509E 0%, #003366 100%);
}

.floating-nav-btn:active {
    transform: scale(0.95);
}

.floating-nav-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.floating-nav-btn:hover::before {
    width: 100%;
    height: 100%;
}

/* Menú de navegación */
.floating-nav-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 15px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 51, 102, 0.1);
}

.floating-nav-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Elementos del menú */
.floating-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.floating-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 51, 102, 0.05) 0%, rgba(0, 80, 158, 0.05) 100%);
    transition: width 0.3s ease;
}

.floating-nav-item:hover::before {
    width: 100%;
}

.floating-nav-item:hover {
    color: #003366;
    border-left-color: #00509E;
    background: rgba(0, 51, 102, 0.02);
    transform: translateX(5px);
}

.floating-nav-item i {
    font-size: 16px;
    margin-right: 12px;
    width: 20px;
    text-align: center;
    color: #00509E;
    transition: all 0.2s ease;
}

.floating-nav-item:hover i {
    color: #003366;
    transform: scale(1.1);
}

.floating-nav-item span {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

/* Animación del icono del botón principal */
.floating-nav-btn i {
    transition: transform 0.3s ease;
}

.floating-nav.active .floating-nav-btn i {
    transform: rotate(90deg);
}

/* Efectos de entrada escalonada para los elementos del menú */
.floating-nav-menu.show .floating-nav-item {
    animation: slideInUp 0.3s ease forwards;
}

.floating-nav-menu.show .floating-nav-item:nth-child(1) { animation-delay: 0.05s; }
.floating-nav-menu.show .floating-nav-item:nth-child(2) { animation-delay: 0.1s; }
.floating-nav-menu.show .floating-nav-item:nth-child(3) { animation-delay: 0.15s; }
.floating-nav-menu.show .floating-nav-item:nth-child(4) { animation-delay: 0.2s; }
.floating-nav-menu.show .floating-nav-item:nth-child(5) { animation-delay: 0.25s; }
.floating-nav-menu.show .floating-nav-item:nth-child(6) { animation-delay: 0.3s; }

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .floating-nav {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-nav-btn {
        width: 55px;
        height: 55px;
        font-size: 18px;
    }
    
    .floating-nav-menu {
        min-width: 180px;
        bottom: 65px;
    }
    
    .floating-nav-item {
        padding: 10px 15px;
    }
    
    .floating-nav-item span {
        font-size: 13px;
    }
    
    .floating-nav-item i {
        font-size: 14px;
        margin-right: 10px;
    }
}

@media (max-width: 480px) {
    .floating-nav {
        bottom: 15px;
        right: 15px;
    }
    
    .floating-nav-btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .floating-nav-menu {
        min-width: 160px;
        bottom: 60px;
        right: -10px;
    }
}

/* Accesibilidad */
.floating-nav-btn:focus,
.floating-nav-item:focus {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

/* Indicador de sección activa */
.floating-nav-item.active {
    background: linear-gradient(90deg, rgba(0, 51, 102, 0.1) 0%, rgba(0, 80, 158, 0.1) 100%);
    border-left-color: #FFD700;
    color: #003366;
    font-weight: 600;
}

.floating-nav-item.active i {
    color: #FFD700;
}

/* Animación de pulso para el botón principal */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(0, 51, 102, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 51, 102, 0.5), 0 0 0 10px rgba(0, 51, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(0, 51, 102, 0.3);
    }
}

.floating-nav-btn.pulse {
    animation: pulse 2s infinite;
}