body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8fafc;
    color: #222;
}

header {
    background: #2176ae;
    color: white;
    padding: 1em;
    text-align: center;
}

nav {
    margin-top: 0.5em;
}

nav a {
    color: white;
    margin: 0 1em;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover,
nav a[aria-current="page"] {
    text-decoration: underline;
}

main {
    max-width: 900px;
    margin: 2em auto;
    padding: 0 1em;
}

footer {
    background: #32325d;
    color: white;
    text-align: center;
    padding: 1em;
    margin-top: 2em;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1em;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    text-align: left;
    padding: 0.75em;
}

.pdf-container {
    height: 80vh;
    min-height: 300px;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

form input[type="text"],
form input[type="email"],
form textarea {
    width: 100%;
    padding: 0.5em;
    margin: 0.5em 0;
    box-sizing: border-box;
}

form input[type="submit"] {
    background-color: #2176ae;
    border: none;
    padding: 0.75em 1.5em;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

form input[type="submit"]:hover {
    background-color: #194f6f;
}