.purchase-page {
        min-height: 85vh;
        padding: 40px 15px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .purchase-card {
        width: 100%;
        max-width: 1050px;
        border-radius: 28px;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(22px);
        border: 1px solid rgba(255, 255, 255, 0.18);
        box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
        color: #fff;
    }

    .purchase-left {
        padding: 40px;
        background: linear-gradient(135deg, #0f172a, #1e293b);
    }

    .purchase-icon {
        width: 82px;
        height: 82px;
        border-radius: 24px;
        display: grid;
        place-items: center;
        font-size: 2.2rem;
        background: linear-gradient(135deg, #ef4444, #f97316);
        box-shadow: 0 18px 35px rgba(239, 68, 68, 0.35);
        margin-bottom: 22px;
    }

    .purchase-title {
        font-size: 2rem;
        font-weight: 900;
        margin-bottom: 12px;
    }

    .purchase-desc {
        color: #cbd5e1;
        line-height: 1.7;
        margin-bottom: 28px;
    }

    .price-box {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 22px;
        border-radius: 999px;
        background: rgba(34, 197, 94, 0.15);
        border: 1px solid rgba(34, 197, 94, 0.35);
        color: #86efac;
        font-size: 1.15rem;
        font-weight: 900;
    }

    .purchase-right {
        padding: 40px;
        background: rgba(255, 255, 255, 0.96);
        color: #0f172a;
    }

    .summary-card {
        border-radius: 22px;
        padding: 24px;
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        margin-bottom: 24px;
    }

    .summary-row {
        display: flex;
        justify-content: space-between;
        gap: 15px;
        padding: 13px 0;
        border-bottom: 1px dashed #cbd5e1;
    }

    .summary-row:last-child {
        border-bottom: none;
    }

    .summary-label {
        color: #64748b;
        font-weight: 700;
    }

    .summary-value {
        font-weight: 900;
        text-align: right;
    }

    .btn-demo,
    .btn-buy {
        height: 52px;
        border-radius: 16px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
    }

    .btn-buy {
        border: none;
        color: #fff;
        background: linear-gradient(135deg, #2563eb, #7c3aed);
        box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35);
    }

    .btn-buy:hover {
        color: #fff;
        transform: translateY(-2px);
    }

    .secure-note {
        margin-top: 18px;
        font-size: 0.9rem;
        color: #64748b;
        text-align: center;
    }

    @media (max-width: 768px) {
        .purchase-page {
            padding: 25px 12px;
        }

        .purchase-left,
        .purchase-right {
            padding: 26px 20px;
        }

        .purchase-title {
            font-size: 1.5rem;
        }

        .purchase-icon {
            width: 68px;
            height: 68px;
            font-size: 1.8rem;
        }

        .summary-row {
            flex-direction: column;
            gap: 4px;
        }

        .summary-value {
            text-align: left;
        }
    }