* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    padding: 30px 15px;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    overflow: hidden;
}

header {
    background-color: #1a5276;
    color: white;
    padding: 28px 35px;
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

header p {
    opacity: 0.85;
    font-size: 0.95rem;
}

main {
    padding: 35px;
}

main h2 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: #1a5276;
    border-bottom: 2px solid #f0f2f5;
    padding-bottom: 12px;
}

.champ {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: #444;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #1a5276;
    box-shadow: 0 0 0 3px rgba(26,82,118,0.1);
}

textarea {
    resize: vertical;
}

button[type="submit"] {
    width: 100%;
    padding: 13px;
    background-color: #1a5276;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}

button[type="submit"]:hover {
    background-color: #154360;
}