/* Estilos para imagens placeholder */
.hero-placeholder {
    height: 100vh;
    background-color: #121212;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 255, 127, 0.1), transparent);
}

.about-placeholder {
    height: 300px;
}

.case-placeholder {
    height: 250px;
}