html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

.banner {
    background: url('../imagens/Firefly_Gemini\ Flash_preciso\ que\ gere\ imagem\ para\ eu\ por\ em\ um\ banner\ do\ meu\ site\ de\ metalurgica\ e\ estrutu\ 457830.png') center/cover no-repeat;
    min-height: 520px;
}

.sobrecapa-banner {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0, 0.9) 0%, rgba(0,0,0, 0.5) 50%, rgba(0,0,0, 0.1) 100%);
}

.banner .container {
    position: relative;
    z-index: 1;
}

.caixa-destaque {
    background: #fff;
}

.cartao-servico {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cartao-servico:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.08);
}

footer {
    flex-shrink: 0;
    margin-top: auto;
}

.navbar .nav-link.active {
    color: #ffffff !important;
}

.navbar .nav-link.active i {
    color: #ffffff !important;
}

.botao-orcamento:hover {
    background-color: #ffc107;
    color: #000;
}