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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8; /* El gris ligero del fondo de tu imagen */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
}

.card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    max-width: 450px;
    width: 100%;
}

.logo {
    max-width: 220px;
    height: auto;
    margin-bottom: 25px;
}

h2 {
    color: #0b2545; /* Azul oscuro corporativo */
    font-size: 22px;
    margin-bottom: 15px;
}

p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.btn-mail {
    display: inline-block;
    background-color: #0077b6; /* El azul del logo */
    color: #ffffff;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 15px;
    transition: background-color 0.3s ease;
}

.btn-mail:hover {
    background-color: #0096c7; /* Efecto hover un poco más claro */
}