.hero {
    background: #f8f9fa;
    padding: 80px 0;
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
    transition: .3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.wa-button {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 28px;
    text-decoration: none;
    z-index: 999;
}

footer {
    background: #000;
}

footer h5 {
    letter-spacing: 2px;
}

footer p {
    color: #fff;
}

.navbar-brand {
    font-weight: bold;
}

@media (max-width:768px) {

    .hero {
        text-align: center;
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero img {
        max-width: 280px !important;
        margin-top: 20px;
    }

    footer {
        text-align: center;
    }

    footer .text-end {
        text-align: center !important;
    }

    footer img {
        max-width: 220px !important;
    }

    footer p {
        font-size: 15px !important;
    }

    .wa-button {
        width: 55px;
        height: 55px;
        line-height: 55px;
        font-size: 24px;
    }
}