/* ===== BODY ===== */
body {
    background: linear-gradient(90deg, #444,#000);
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: white;
}

/* ===== BOTÃO VOLTAR ===== */
.btn-voltar {
    display: none; /* só mostra em tablets e celulares */
    position: fixed;
    top: 15px;
    left: 15px;
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    background: rgba(0,0,0,0.5);
    color: #4fc455;
    border: 1px solid #393c39;
    border-radius: 4px;
    cursor: pointer;
    z-index: 9999;
    transition: 0.3s;
}

.btn-voltar:hover {
    background: #4fc455;
    color: #000;
}

/* ===== CONTAINER ===== */
.container {
    display: grid;
}

/* ===== TEXTO ===== */
.text {
    font-size: 25px;
    line-height: 1.5;
}

.text h1 {
    font-size: 40px;
    margin-bottom: 20px;
}

.text h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.text p {
    font-size: 16px;
    margin-bottom: 20px;
}

/* ===== IMAGENS ===== */
.image {
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    padding-top: 70px;
    padding-bottom: 190px; 
}

.image img {
    width: 250px; 
    transition: transform 0.5s;
    border-radius: 10px;
}

.image img:hover {
    transform: scale(1.1);
}

/* ===== MEDIA QUERIES ===== */

/* TABLETS: 601px até 900px */
@media (max-width: 900px) and (min-width: 601px) {
    .btn-voltar {
        display: block;
    }
    .container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 30px;
    }
    .text {
        font-size: 22px;
        text-align: center;
    }
    .text h1 { font-size: 35px; }
    .text h3 { font-size: 18px; }
    .text p { font-size: 15px; }
    .image {
        grid-template-columns: repeat(2, 1fr);
        gap: 1px;
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .image img { max-width: 180px; }
}

/* CELULARES até 600px */
@media (max-width: 600px) {
    .btn-voltar {
        display: block;
    }
    .container {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px;
    }
    .text {
        font-size: 18px;
        text-align: center;
    }
    .text h1 { font-size: 28px; }
    .text h3 { font-size: 16px; }
    .text p { font-size: 14px; }
    .image {
        grid-template-columns: repeat(2, 1fr);
        gap: 1px;
        padding-top: 30px;
        padding-bottom: 30px;
        padding-left: 30px;
    }
    .image img { max-width: 120px; }
}

/* NOTEBOOKS 901px até 1200px */
@media (min-width: 901px) and (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr 1fr;
        gap: 1px;
        padding: 40px;
    }
    .image img { max-width: 220px; }
}

/* DESKTOPS acima de 1200px */
@media (min-width: 1201px) {
    .container {
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        padding: 50px;
    }
    .image img { max-width: 250px; }
}