* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    width: 200px;
}

p {
    color: white;
    font-size: 20px;
}

button {
    background-color: #c51111;
    color: white;
    width: 200px;
    height: 50px;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
}

.logo-luidi-mario {
    width: 500px;
}

.div-1 {
    width: 46%;
}

body {
    height: 100vh;
    overflow-x: hidden;
}

.caixa-principal {
    display: flex;
    padding: 100px;
    justify-content: space-around;
    align-items: center;
    height: 100vh;
}

.caixa-video {
    position: fixed;
    top: 0;
    z-index: -1;
}

video {
    min-width: 100vw;
    min-height: 100vh;
}

.mascara-video {
    background: linear-gradient(
        109deg,
        rgba(10, 12, 16, 0.99) 15%,
        rgba(10, 12, 16, 0.7) 50%,
        rgba(10, 12, 16, 0.99) 85%
    );
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
}

.header {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 20px;
}

.header img {
    width: 70px;
}

.header a {
    color: white;
    margin-right: 20px;
    font-size: 24px;
    top: 10px;
    cursor: pointer;
    text-decoration: none;
}

.header a:hover {
    color: #c51111;
    transition: 0.5s ease-in-out;
}

.caixa-link-whatsapp {
    position: fixed;
    bottom: 15px;
    right: 12px;
    z-index: 10;
}

.link-whatsapp img {
    width: 60px;
}

.link-whatsapp {
    cursor: pointer;
}

/* ===== FORMULÁRIO ===== */
form {
    background-color: white;
    position: fixed;
    top: 50%;
    /* Começa completamente fora da tela pela esquerda */
    left: -110vw;
    transform: translateY(-50%);

    display: flex;
    gap: 20px;
    flex-direction: column;

    padding: 20px;
    border-radius: 5px;
    width: 350px;
    z-index: 999;
    transition: left 0.5s ease-in-out;
}

/* Classe ativa: centraliza o formulário na tela */
form.ativo {
    left: 50%;
    transform: translate(-50%, -50%);
}

form input {
    height: 40px;
    padding-left: 5px;
    border-radius: 5px;
    border: 1px solid gray;
    outline-color: #18d80f;
}

form textarea {
    padding-left: 5px;
    border-radius: 5px;
    border: 1px solid gray;
    outline-color: #18d80f;
    height: 100px;
}

/* ===== MÁSCARA DO FORMULÁRIO ===== */
.mascara-formulario {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(
        109deg,
        rgba(10, 12, 16, 0.99) 15%,
        rgba(10, 12, 16, 0.7) 50%,
        rgba(10, 12, 16, 0.99) 85%
    );
    visibility: hidden;
    opacity: 0;
    z-index: 998;
    transition: visibility 0.5s ease-in-out, opacity 0.5s ease-in-out;
}

/* Classe ativa da máscara */
.mascara-formulario.ativa {
    visibility: visible;
    opacity: 1;
}

/* ===== TABLETS (até 768px) ===== */
@media (max-width: 768px) {

    .caixa-principal {
        flex-direction: column;
        padding: 50px 20px;
        height: auto;
        gap: 30px;
    }

    .div-1 {
        width: 100%;
        text-align: center;
    }

    .div-2 {
        width: 100%;
    }

    .logo-luidi-mario {
        width: 300px;
    }

    img {
        width: 150px;
    }

    p {
        font-size: 16px;
    }

    button {
        width: 100%;
        height: 45px;
    }

    .header {
        flex-direction: column;
        gap: 15px;
        padding: 10px;
        text-align: center;
    }

    .header a {
        font-size: 18px;
        margin-right: 10px;
    }

    form {
        width: 85%;
        left: -110vw;
    }

    form.ativo {
        left: 50%;
        transform: translate(-50%, -50%);
    }
}

/* ===== CELULARES (até 480px) ===== */
@media (max-width: 480px) {

    .caixa-principal {
        padding: 30px 15px;
        gap: 20px;
    }

    .logo-mario {
        width: 120px;
    }

    .logo-luidi-mario {
        width: 200px;
    }

    img {
        width: 100px;
    }

    p {
        font-size: 14px;
    }

    button {
        width: 100%;
        height: 40px;
        font-size: 14px;
    }

    .header {
        padding: 10px 5px;
    }

    .header img {
        width: 50px;
    }

    .header a {
        font-size: 14px;
        margin-right: 5px;
    }

    .link-whatsapp img {
        width: 50px;
    }

    form {
        width: 92%;
        padding: 15px;
        left: -110vw;
    }

    form.ativo {
        left: 50%;
        transform: translate(-50%, -50%);
    }

    form input,
    form textarea {
        font-size: 14px;
    }

    .mascara-formulario {
        z-index: 998;
    }
}