body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: url('images/background.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.card-custom {
    max-width: 650px;
    margin: auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    animation: fadeIn 0.8s ease-in-out;
    text-align: center;
}

h1 {
    color: #1e5abf;
    font-weight: 700;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #e5bb31;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 30px;
}

.banner {
    color: #66a08d;
}

p.regular {
    color: #66a08d;
}

button[type="submit"] {
    background: #1e5abf;
    border: none;
}

button[type="submit"]:hover {
    background: #174590;
}

footer {
    margin-top: 20px;
    font-size: 0.85rem;
    color: #4f5d73;
}

@keyframes fadeIn {
    from {opacity: 0; transform: translateY(-20px);}
    to {opacity: 1; transform: translateY(0);}
}