/* Configuração geral */
body, html {
    height: 100%;
    margin: 0;
    background-color: #f8f9fa;
    font-size: 16px;
    display: flex;
    flex-direction: column;
}

/* Container principal ocupa todo o espaço */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Estilo para cards */
.card {
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
    max-width: 500px;
    width: 100%;
}

/* Cabeçalho */
h1 {
    font-size: 28px;
    margin-bottom: 20px;
}

/* Rodapé */
footer {
    background-color: #212529;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    border-top: 1px solid #444;
    font-size: 0.95rem;
    width: 100%;
}

/* Links no rodapé */
footer a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #0d6efd;
}

/* Ícones com links */
footer .icon-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

footer .icon-link i {
    font-size: 1.2rem;
}

footer .icon-link a {
    text-decoration: underline !important;
    color: white;
    margin-left: 5px;
    font-size: 0.9rem;
}

/* Container do rodapé */
footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 10px;
}

/* Garantir responsividade */
img {
    max-width: 100%;
    height: auto;
}

/* Telas médias (tablets) */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .container {
        width: 100%;
        padding: 10px;
    }

    footer {
        padding: 8px 0;
    }

    footer .icon-link {
        flex-direction: column;
        font-size: 0.9rem;
    }

    footer .icon-link a {
        font-size: 0.85rem;
        margin-left: 0;
        text-align: center;
    }

    footer .icon-link i {
        font-size: 1.4rem;
    }

    footer p {
        font-size: 0.9rem;
    }
}

/* Telas pequenas (smartphones) */
@media (max-width: 480px) {
    body {
        font-size: 13px;
    }

    footer {
        padding: 6px 0;
    }

    footer p {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }

    footer .icon-link {
        flex-direction: column;
        align-items: center;
        margin-bottom: 4px;
    }

    footer .icon-link i {
        font-size: 1rem;
    }

    footer .icon-link a {
        font-size: 0.75rem;
        margin-left: 0;
        text-align: center;
    }
}

footer a {
    color: inherit; /* mantém a cor original (branco) */
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #0d6efd; /* azul Bootstrap */
}