body {
    min-height: 100vh;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
}

.logo-section {
    padding: 30px 0 10px 0;
    text-align: center;
}

.btn-gradient {
    background: var(--btn-gradient);
    border: none;
    color: white;
    font-weight: 700;
    padding: 12px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-gradient:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 200, 83, 0.4);
}

.btn-gradient:active {
    transform: translateY(0);
}

.card-footer {
    background-color: #fcfcfc;
    border-top: 1px solid #eee;
}