/* BOTÃO VOLTAR */
.btn-voltar-patentes {
    background: transparent;
    border: 2px solid #00ffcc;
    color: #00ffcc;
    padding: 10px 20px;
    cursor: pointer;
    margin-bottom: 25px;
    transition: 0.3s;
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-voltar-patentes i {
    font-size: 0.9rem;
}

.btn-voltar-patentes:hover {
    background: #00ffcc;
    color: #000;
    box-shadow: 0 0 20px #00ffcc;
    transform: translateX(-3px);
}

.btn-voltar-patentes::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.btn-voltar-patentes:hover::before {
    left: 100%;
}