.logo {
    transition: transform 0.5s ease-in-out;
}

.logo.principal img {
    width: 100%;
    height: 100%;
    display: block;
}

.logo:hover {
    transform: scale(1.1) 
}

.shiny-text {
    font-size: var(--fonte-extra-grande);
    color: var(--cor-branca);
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.shiny-text:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, #ffffff80, #ffffff00);
    transform: skewX(-20deg);
    animation: shine 2s infinite;
}

@keyframes shine {
    0% {
        left: 100%;
    }
    100% {
        left: -50%;
    }
}

.portfolio-item {
    position: relative;
   
}

.portfolio-item img {
    width: 100px;
    height: auto;
    border: 2px solid var(--cor-preta);
    border-radius: 10px;
    transition: transform 0.3s;
}

.tooltip {
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #000000cc;
    color: var(--cor-branca);
    padding: 10px;
    border-radius: 5px;
    white-space: rap;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    pointer-events: none;
    font-family: var(--fonte-secundaria);
    font-size: var(--fonte-pequena);
}

.portfolio-item:hover .tooltip {
    opacity: 1;
}