.co-wrap {
    max-width: 920px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    align-items: start;
}

.co-form-col { min-width: 0; }

.co-heading {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text);
}

.co-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

.co-payment-options { display: flex; flex-direction: column; gap: 0.65rem; margin-bottom: 1.5rem; }

.co-payment-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.15s;
}
.co-payment-card:has(input:checked) { border-color: var(--kans-red); }
.co-payment-card:hover { border-color: #bf0018; }

.co-payment-card input[type="radio"] {
    width: 17px;
    height: 17px;
    accent-color: var(--kans-red);
    flex-shrink: 0;
    cursor: pointer;
}
.co-payment-card-label { font-size: 0.88rem; font-weight: 500; }

.co-payment-phone-wrap {
    background: rgba(238,28,37,0.04);
    border: 1px solid rgba(238,28,37,0.18);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
    display: none;
}
.co-payment-phone-wrap.visible { display: block; }
.co-payment-phone-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    line-height: 1.5;
}

.co-submit {
    width: 100%;
    padding: 1rem;
    background: var(--kans-red);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.15s;
    margin-bottom: 0.75rem;
}
.co-submit:hover { background: var(--kans-red-dk); }

.co-summary {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    position: sticky;
    top: calc(var(--nav-h) + 1rem);
}

.co-summary-title {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.co-summary-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.co-summary-item:last-of-type { border-bottom: none; }

.co-summary-img {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    border: 1px solid var(--border);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg2);
}

.co-summary-img-ph {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--kans-red-lt);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.co-summary-item-name { font-size: 0.82rem; font-weight: 500; line-height: 1.3; }
.co-summary-item-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.1rem; }
.co-summary-item-price { font-size: 0.84rem; font-weight: 600; margin-left: auto; flex-shrink: 0; white-space: nowrap; }

.co-totals { margin-top: 1rem; }
.co-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.84rem;
    padding: 0.3rem 0;
}
.co-total-row.grand {
    font-size: 1.05rem;
    font-weight: 700;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
}
.co-total-row.grand .v { color: var(--kans-red); }

@media (max-width: 760px) {
    .co-wrap {
        grid-template-columns: 1fr;
        padding: 1.5rem 1rem 3rem;
        gap: 1.5rem;
    }
    .co-summary { position: static; order: -1; }
}