/* layout */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body { font-family: 'Roboto', sans-serif; background: #f8f8f8; color: #333; }

#wrapper { overflow-x: hidden; padding-bottom: 0.5rem; }

.container-fluid { width: 100%; padding: 0 15px; }

.row { display: flex; flex-wrap: wrap; }

.justify-content-center { justify-content: center; }

.text-center { text-align: center; }

/* coluna principal */
.col-12 { width: 100%; padding: 0 15px; }

@media (min-width: 768px) {
    .col-md-4 { width: 33.3333%; }
    .pt-md-5 { padding-top: 3rem !important; }
}

.pb-5 { padding-bottom: 3rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.pt-3 { padding-top: 1rem; }

/* imagem */
.img-profile { display: block; width: 100%; height: auto; border-radius: 4px; }

/* descrição */
.preview-descricao { margin: 0.75rem 0; font-size: 0.95rem; line-height: 1.5; }

.font-weight-bold { font-weight: 700; }

/* botões */
.botao {
    display: block;
    width: 100%;
    min-height: 43px;
    padding: 10px 16px;
    text-align: center;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    line-height: 1.4;
}

.botao-default {
    background-color: #237afc;
    color: #fff;
    border: 1px solid #1a6ae0;
    transition: background-color 0.2s;
}

.botao-default:hover { background-color: #1a6ae0; }

/* footer */
.footer { padding: 1.5rem 15px; border-top: 1px solid #ddd; }

.text-muted { color: #777; }

.m-0 { margin: 0; }

.small { font-size: 0.85rem; }

.footer a { color: #237afc; text-decoration: none; }

.footer a:hover { text-decoration: underline; }