* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

/* ===== TOPO / MENU ===== */
.topo {
    background: linear-gradient(90deg, #ff5a00, #ff7a00);
    padding: 16px 0;
}

.menu {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 15px;
}

.menu a:hover {
    text-decoration: underline;
}

/* ===== BODY ===== */
body {
    background: #f2f2f2;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 850px;
    margin: 50px auto;
    background: #ff5a00;
    padding: 40px;
    border-radius: 25px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.container h1 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 26px;
}

.obs {
    color: #fff;
    margin-bottom: 25px;
    font-size: 14px;
}

/* ===== FORM ===== */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    color: #fff;
    font-weight: bold;
    font-size: 14px;
}

input,
select,
textarea {
    padding: 14px;
    border-radius: 12px;
    border: none;
    font-size: 14px;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 2px rgba(255,255,255,0.6);
}

textarea {
    resize: none;
    height: 120px;
}

/* ===== BOTÃO ===== */
button {
    margin-top: 20px;
    padding: 16px;
    background: #ffc107;
    color: #000;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* ===== MENSAGENS ===== */
.sucesso {
    background: #2ecc71;
    color: #fff;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 15px;
    text-align: center;
}

.erro {
    background: #e74c3c;
    color: #fff;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 15px;
    text-align: center;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 600px) {

    .menu {
        flex-direction: column;
        gap: 12px;
    }

    .container {
        margin: 20px;
        padding: 25px;
    }

    .container h1 {
        font-size: 22px;
    }
}