.checkout-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:start;max-width:980px;margin:0 auto}.checkout-form-col{display:flex;flex-direction:column;gap:20px;min-width:0}.co-card{background:#fff;border:1px solid var(--chalk-dim);border-radius:12px;padding:26px 28px;box-shadow:0 4px 16px #3838390d}.co-card-title{display:flex;align-items:center;gap:10px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:.95rem;color:var(--charcoal);margin:0 0 20px}.co-step-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}.co-card .form-row{margin-bottom:0}.co-pay-panel{animation:fadeSlideIn .25s ease}.co-proof-note{margin-top:12px;padding:12px;background:#fef7ed;border:1px solid #fde4c8;border-radius:8px}.co-proof-note p{margin:0;font-size:.82rem;color:var(--stone-dark);line-height:1.5}.co-upload{margin-top:20px;padding:16px 18px;background:#fff;border:1.5px dashed var(--chalk-dim);border-radius:10px}.co-upload-head{display:flex;align-items:center;gap:8px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;font-weight:600;color:var(--charcoal);margin-bottom:6px}.co-upload-head svg{color:var(--orange);flex-shrink:0}.co-upload-desc{font-size:.82rem;color:var(--stone-dark);line-height:1.55;margin:0 0 12px}.co-upload .field{margin:0}.co-upload .field input[type=file]{padding:10px;font-size:.82rem}@media(max-width:560px){.co-upload{padding:14px 12px}}.co-summary{background:var(--charcoal);color:var(--chalk);border-radius:12px;padding:26px 28px;position:sticky;top:100px;box-shadow:0 12px 32px #3838392e}.co-summary-title{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;color:var(--orange-light);margin:0 0 18px}.co-summary-product{display:flex;gap:14px;align-items:center;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1)}.co-summary-img{flex-shrink:0;width:64px;height:64px;border-radius:10px;overflow:hidden;background:#2c2b2d;display:flex;align-items:center;justify-content:center;font-size:1.4rem}.co-summary-img img{width:100%;height:100%;object-fit:cover}.co-summary-info{display:flex;flex-direction:column;gap:4px;min-width:0}.co-summary-name{font-weight:600;font-size:.92rem;color:var(--chalk);line-height:1.35}.co-summary-price{font-size:.8rem;color:var(--stone)}.co-summary-qty{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}.co-summary-label{font-family:var(--font-display);text-transform:uppercase;font-size:.72rem;letter-spacing:.06em;color:var(--stone)}.co-qty-selector{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.18);border-radius:8px;overflow:hidden}.co-qty-btn{width:34px;height:34px;border:none;background:transparent;color:var(--chalk);font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .15s ease;display:flex;align-items:center;justify-content:center}.co-qty-btn:hover{background:#ffffff14}.co-qty-btn:disabled{opacity:.3;cursor:not-allowed}.co-qty-value{min-width:36px;text-align:center;font-size:.95rem;font-weight:700;color:var(--chalk)}.co-summary-line{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--chalk-dim);padding:8px 0}.co-summary-muted{color:var(--stone);font-size:.78rem}.co-summary-total{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:14px;border-top:2px solid rgba(255,255,255,.18);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;font-size:.95rem;color:var(--chalk)}.co-summary-total span:last-child{font-size:1.35rem;font-weight:700;color:var(--orange-light)}.co-summary-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.co-summary-badges span{font-size:.72rem;color:var(--stone);background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:100px;padding:5px 12px}@media(max-width:900px){.checkout-grid{grid-template-columns:1fr;gap:20px}.co-summary{position:static;order:-1}}@media(max-width:560px){.co-card{padding:20px 16px}.co-summary{padding:20px 18px}}