.g4k-paygate-checkout {
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(24px, 5vw, 40px);
    border: 1px solid var(--border-glow, rgba(124, 58, 237, .42));
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(124, 58, 237, .18) 0%, rgba(13, 10, 20, .94) 100%);
    text-align: center;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .2);
}

.g4k-paygate-checkout h2 {
    margin: 14px 0 10px;
    color: #fff;
    font-size: clamp(1.45rem, 4vw, 1.9rem);
}

.g4k-paygate-intro {
    max-width: 560px;
    margin: 0 auto 24px;
    color: var(--text-muted, #a8a3b3);
    line-height: 1.65;
}

.g4k-paygate-alert {
    margin: 20px 0;
    padding: 14px 16px;
    border: 1px solid rgba(251, 191, 36, .45);
    border-radius: 12px;
    background: rgba(251, 191, 36, .1);
    color: #fef3c7;
}

.g4k-paygate-alert a {
    color: #fff;
    text-decoration: underline;
}

.g4k-paygate-form {
    display: grid;
    gap: 14px;
    max-width: 520px;
    margin: 26px auto 0;
    text-align: left;
}

.g4k-paygate-form label {
    color: #fff;
    font-weight: 700;
}

.g4k-paygate-form input[type="email"] {
    width: 100%;
    min-height: 52px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 12px;
    background: rgba(5, 3, 10, .7);
    color: #fff;
    font: inherit;
}

.g4k-paygate-form input[type="email"]:focus {
    border-color: #8b5cf6;
    outline: 3px solid rgba(139, 92, 246, .2);
}

.g4k-paygate-form .btn {
    width: 100%;
    margin-top: 4px;
    cursor: pointer;
}

.g4k-paygate-privacy {
    margin: 4px 0 0;
    color: var(--text-dim, #7d768b);
    font-size: .8rem;
    line-height: 1.55;
    text-align: center;
}