.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--gray-50);
    background-image: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideIn 0.5s ease-out;
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.popup-close-button {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-600);
    transition: color 0.3s ease;
}

.popup-close-button:hover {
    color: var(--gray-800);
}

.popup-title {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
}

.popup h2 {
    font-size: 2.2rem;
    color: white;
    margin-bottom: 1rem;
    font-weight: bold;
}

.popup p {
    font-size: 1.2rem;
    color: white;
    margin-bottom: 2rem;
}

.popup .popup-footer p {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--gray-200);
    margin-bottom: 0 !important;
}

.popup .popup-footer a {
    color: var(--gray-100);
    text-decoration: underline;
}

.popup .popup-footer a:hover {
    color: var(--gray-800);
}

.popup .popup-footer p {
    margin-bottom: 0 !important;
}

.popup input[type="email"] {
    width: 85%;
    padding: 0.8rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background-color: white;
    color: var(--gray-900);
}

.popup input[type="email"]:focus {
    border-color: var(--primary);
    outline: none;
}

.popup-submit-button {
    background-color: var(--primary-dark);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.popup-submit-button:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.popup-submit-button:active {
    transform: translateY(0);
}