body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background-color: #f4f7f6;
    color: #333;
}


header {
    background-color: #1a252f;
    color: white;
    padding: 1rem 0;
}

.header-top {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 20px;
}

.logo h1 {
    margin: 0;
    font-size: 1.8rem;
}

.logo span { color: #3498db; }

.empresa-info p {
    margin: 2px 0;
    font-size: 0.85rem;
    color: #bdc3c7;
}

nav {
    background-color: #2c3e50;
    padding: 10px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
}

nav li { margin: 0 15px; }

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.btn-nav {
    background-color: #e67e22;
    padding: 5px 15px;
    border-radius: 4px;
}


.container {
    max-width: 800px;
    margin: 30px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

fieldset {
    border: 1px solid #ddd;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 5px;
}

legend {
    font-weight: bold;
    color: #2c3e50;
    padding: 0 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.checkbox-group, .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.btn-submit {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}

.u-alta { color: #c0392b; font-weight: bold; }


footer {
    background-color: #1a252f;
    color: white;
    padding: 40px 20px 10px;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.footer-section { margin-bottom: 20px; text-align: center; }

.footer-section a { color: #3498db; text-decoration: none; }

.footer-bottom {
    text-align: center;
    border-top: 1px solid #34495e;
    margin-top: 20px;
    padding-top: 10px;
    font-size: 0.8rem;
}