html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}


.sobre-container {
    max-width: 650px;
    margin: 80px auto;
    padding: 60px 40px;
    border: 1px solid #e5e5e5;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-radius: 20px;
    overflow: hidden;
}

.sobre-container h1 {
    text-align: center;
    font-size: 38px;
    font-weight: 500;
    margin-bottom: 40px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #000;
    position: relative;
}

.sobre-container h1::after {
    content: "";
    width: 90px;
    height: 3px;
    background: #000;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 3px;
}

.sobre-container p {
    font-size: 16px;
    line-height: 26px;
    margin-bottom: 16px;
    text-align: center;
}


.contato-container {
    max-width: 650px;
    margin: 40px auto 80px auto; 
    padding: 60px 40px;
    border: 1px solid #e5e5e5;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-radius: 20px;
    overflow: hidden;
}

.contato-container h2 {
    text-align: center;
    font-size: 38px;
    font-weight: 500;
    margin-bottom: 40px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #000;
    position: relative;
}

.contato-container h2::after {
    content: "";
    width: 90px;
    height: 3px;
    background: #000;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 3px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 15px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif; 
    font-size: 15px;
    background-color: #f9f9f9;
}

.form-group textarea {
    resize: vertical; 
    min-height: 100px;
}

.form-group select {
    cursor: pointer;
}

.form-group.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.form-group.checkbox-group input[type="checkbox"] {
    width: auto; 
    margin-right: 10px;
    cursor: pointer;
}

.form-group.checkbox-group label {
    margin-bottom: 0; 
    font-weight: 400;
    font-size: 14px;
}

.btn-enviar {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #000;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-enviar:hover {
    background-color: #333;
}

.form-feedback {
    display: none; 
    margin-top: 15px;
    padding: 12px;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
    font-size: 15px;
}

.form-feedback.success {
    display: block; 
    background-color: #e0f8e0;
    color: #28a745;
    border: 1px solid #b8e9b8;
}