* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #f4f7f9;
    color: #333;
    line-height: 1.6;
}
header {
    background-color: #1a1a2e;
    color: #fff;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.logo {
    width: 50px;
    height: auto;
    vertical-align: middle;
}
header h1 {
    font-size: 1.5rem;
    display: inline-block;
}
nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}
nav ul li {
    margin-left: 20px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}
#Suscripcion {
    background-color: #00d2ff;
    color: #1a1a2e;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}
#Suscripcion:hover {
    background-color: #0099cc;
}
main {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
h2, h3 {
    color: #1a1a2e;
    margin-bottom: 15px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table th, table td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}
table th {
    background-color: #f8f9fa;
    color: #1a1a2e;
}
#seccionFormulario {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #eee;
}
form div {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}
input[type="radio"],
input[type="checkbox"] {
    margin-right: 8px;
}
button[type="submit"] {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 12px;
    width: 100%;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    font-weight: bold;
}
button[type="submit"]:hover {
    background-color: #218838;
}
footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 0.9rem;
}