body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    margin: 0;
    color: #222;
}

header {
    background: #0b4da2;
    color: white;
    padding: 22px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 24px;
    text-transform: uppercase;
}

header p {
    margin-top: 6px;
    font-size: 14px;
}

footer {
    background: #eaeaea;
    text-align: center;
    padding: 10px;
    font-size: 13px;
}

main {
    padding: 30px;
}

.card {
    background: white;
    max-width: 700px;
    margin: auto;
    padding: 28px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.title {
    text-align: center;
    color: #0b4da2;
    margin-bottom: 10px;
}

.desc {
    text-align: center;
    font-size: 15px;
    margin-bottom: 20px;
    color: #444;
}

label {
    font-weight: bold;
    margin-top: 14px;
    display: block;
}

input, textarea, select {
    width: 100%;
    padding: 9px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #0b4da2;
    color: white;
    padding: 11px;
    border: none;
    margin-top: 20px;
    width: 100%;
    cursor: pointer;
    font-size: 15px;
    border-radius: 4px;
}

button:hover {
    background: #083b7a;
}

.center {
    text-align: center;
}

.qr {
    width: 230px;
    margin: 20px 0;
    border: 4px solid #f0f0f0;
}

.qr-box {
    display: none;
    margin-top: 10px;
}

.note {
    font-size: 13px;
    color: #555;
    margin-top: 6px;
}

.actions {
    margin-top: 15px;
}

.btn-link, .btn-secondary {
    display: inline-block;
    margin: 6px 10px;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 4px;
    font-size: 14px;
}

.btn-link {
    background: #0b4da2;
    color: white;
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-link:hover {
    background: #083b7a;
}

.btn-secondary:hover {
    background: #cfcfcf;
}


.intro {
    max-width: 900px;
    margin: 0 auto 30px auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    animation: fadeIn 0.6s ease-in-out;
}

.intro h2 {
    color: #0b4da2;
    margin-bottom: 12px;
    text-align: center;
}

.intro p {
    font-size: 15px;
    color: #333;
    line-height: 1.6;
    text-align: justify;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.feature {
    background: #f6f9ff;
    border-left: 4px solid #0b4da2;
    padding: 15px;
    border-radius: 4px;
    transition: transform 0.2s ease;
}

.feature:hover {
    transform: translateY(-3px);
}

.feature h3 {
    margin: 0 0 6px 0;
    font-size: 15px;
    color: #0b4da2;
}

.feature p {
    font-size: 14px;
    color: #444;
}

.intro-note {
    margin-top: 20px;
    font-size: 14px;
    font-style: italic;
    color: #555;
    text-align: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}