.hidden { display: none; }

.main-btn {
    background: linear-gradient(135deg, #ff8c00 0%, #ff4500 100%);
    color: white;
    padding: 16px;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.main-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4); }
.main-btn:active { transform: translateY(0); }