/* ============================= */
/* ===== RESET E FONTES ======== */
/* ============================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', Arial, sans-serif;
}

body {
    background: #005c34;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


/* ============================= */
/* ===== HEADER ================ */
/* ============================= */
.header {
    height: 70px;
    background: #007040;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header img {
    height: 38px;
}

/* ============================= */
/* ===== MAIN CARD ============= */
/* ============================= */
.main {
    flex: 1; /* ocupa o espaço entre header e footer */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px; /* respiro geral */
}


.card {
    background: #ffffff;
    max-width: 480px;
    width: 100%;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,.25);
    text-align: center;
}

h1, h2 {
    color: #154572;
    margin-bottom: 24px;
}

p {
    color: #444;
    margin-bottom: 24px;
}

/* ============================= */
/* ===== FORMULÁRIO ============ */
/* ============================= */
.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #154572;
}

input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #d0d7de;
    font-size: 15px;
}

input:focus {
    outline: none;
    border-color: #007040;
}

button {
    width: 100%;
    margin-top: 20px;
    padding: 14px;
    background: #007040;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

button:hover {
    background: #005c34;
    transform: scale(1.02);
}

/* Botão secundário não destacado */
.button-secondary {
    background: #f0f0f0;
    color: #333;
    border: 1px solid #ccc;
    margin-top: 10px;
}

.button-secondary:hover {
    background: #e0e0e0;
    transform: scale(1.02);
}

/* ============================= */
/* ===== ASSINATURA GERADA ===== */
/* ============================= */
.signature-output {
    margin-top: 30px;
}

.signature-output img {
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid #d0d7de;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    display: block;
    margin: 0 auto;
}

/* ============================= */
/* ===== FOOTER ================= */
.footer {
    background: #007040;
    color: #fff;
    padding: 30px 20px;
    font-size: 14px;
    width: 100%;
}

.footer .row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer .logo-container img {
    max-width: 100%;
    height: auto;
}

.footer .info {
    margin-top: 10px;
    text-align: left;
}

.footer .separator {
    width: 1px;
    background: rgba(255,255,255,0.3);
    margin: 0 20px;
}

.footer img {
    max-width: 100%;
    height: auto;
}

/* ============================= */
/* ===== RESPONSIVIDADE ======== */
@media(max-width: 768px) {
    .main {
        padding-bottom: 50px;
}
    .card {
        padding: 24px;
    }

    h1, h2 {
        font-size: 22px;
    }

    p {
        font-size: 14px;
    }

    button {
        font-size: 15px;
        padding: 12px;
    }

    .footer .row {
        flex-direction: column;
        text-align: center;
        padding: 0 10px;
    }

    .footer .separator {
        display: none;
    }

    .footer .info {
        margin: 15px 0;
        text-align: center;
    }
}