<style>
    /* Aviation Professional Contact Form Theme */

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #eef2f7;
    margin: 0;
    padding: 0;
    color: #1f2d3d;
}

.container {
    max-width: 950px;
    margin: 40px auto;
    background: #ffffff;
    padding: 35px;
    border-radius: 10px;
    border: 1px solid #d0d7e2;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}

h1 {
    text-align: center;
    color: #003366;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: #4a5a6a;
    margin-bottom: 25px;
}

fieldset {
    border: 1px solid #c4ccd6;
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 8px;
}

legend {
    font-size: 1.1em;
    font-weight: bold;
    color: #003366;
    padding: 0 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

label {
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #b8c2cc;
    border-radius: 6px;
    background: #fdfdfd;
    font-size: 0.95em;
}

textarea {
    resize: vertical;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: normal;
}

button {
    background: #003366;
    color: #fff;
    padding: 12px 22px;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    margin-right: 10px;
}

button:hover {
    background: #00264d;
}

</style>
