/* ═══ checkout — same paper field + glass as the landing ═══ */
.co-page{background:var(--bg)}
.co-page .nav{background:rgba(255,255,255,.7)}
.ck{max-width:var(--max);margin:0 auto;padding:118px var(--gut) 80px}
.ck-head h1{font-weight:500;font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.045em}
.ck-head h1 em{font-size:1.06em}
.ck-head{margin-bottom:36px}
.ck-grid{display:grid;grid-template-columns:1fr 400px;gap:20px;align-items:start}
.ck-steps{display:grid;gap:14px}
.step{background:var(--card);border:1px solid rgba(255,255,255,.9);border-radius:var(--r-lg);padding:22px 24px;box-shadow:0 18px 40px -32px rgba(30,40,90,.4);transition:opacity .4s}
.step.locked{opacity:.45;pointer-events:none}
.step-h{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.step-h .n{font-size:12px;color:var(--ink-3)}
.step-h h2{font-size:22px;letter-spacing:-.03em;font-weight:500}
.row-form{display:grid;gap:10px}
.two{display:grid;grid-template-columns:1.4fr 1fr;gap:10px}
.ck input,.ck select{width:100%;height:48px;border-radius:14px;border:1px solid var(--line-2);background:#fff;padding:0 14px;font:400 15px var(--sans);color:var(--ink);outline:0;transition:border-color .2s,box-shadow .2s}
.ck input:focus,.ck select:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(20,26,58,.08)}
.ck label{display:grid;gap:6px;font-size:12px;color:var(--ink-3);letter-spacing:.02em}
.hint{margin-top:12px;font-size:13px;color:var(--ink-3);line-height:1.5}
.msg{margin-top:12px;padding:12px 14px;border-radius:14px;font-size:14px;line-height:1.45;background:rgba(20,26,58,.05)}
.msg.err{background:#fff0f0;color:#9a2a2a}
.msg.ok{background:#ecf8f1;color:#1d6b44}
.cur-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cur-grid button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:11px 12px;border-radius:14px;border:1px solid var(--line);background:#fff;text-align:left;transition:all .25s}
.cur-grid button:hover{border-color:var(--line-2)}
.cur-grid button.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.cur-grid .c1{display:flex;gap:8px;align-items:baseline;font:500 14px var(--mono)}
.cur-grid .c1 .s{font:italic 18px var(--serif)}
.cur-grid small{font-size:11px;color:var(--ink-3);font-family:var(--mono)}
.cur-grid .amt{font:500 13px var(--mono);color:var(--ink-2);margin-top:4px}
.addr{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.addr .full{grid-column:1/-1}
.flow{list-style:none;display:grid;gap:10px;margin:2px 0 18px}
.flow li{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--ink-3)}
.flow i{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;position:relative}
.flow li.run{color:var(--ink)}
.flow li.run i{border-color:var(--ink);border-top-color:transparent;animation:sp .8s linear infinite}
.flow li.done{color:var(--ink)}
.flow li.done i{background:var(--ink);border-color:var(--ink);box-shadow:inset 0 0 0 4px #fff}
.flow li.bad i{background:#c53b3b;border-color:#c53b3b}
.ship-opts{display:grid;gap:8px;margin-bottom:14px}
.ship-opts button{display:flex;justify-content:space-between;padding:12px 14px;border-radius:14px;border:1px solid var(--line-2);background:#fff;font-size:14px}
.ship-opts button.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.btn[disabled]{opacity:.4;pointer-events:none}
.ck-rc{position:sticky;top:96px;background:var(--card);border:1px solid rgba(255,255,255,.9);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.rc-empty p{font-size:14px;color:var(--ink-3);line-height:1.5}
.rc-prod{display:flex;gap:14px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line)}
.rc-prod img{width:72px;height:72px;border-radius:14px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.rc-prod b{display:block;font-weight:500;font-size:14px;line-height:1.3;margin:6px 0 4px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pdel{font-size:11.5px;color:var(--up)}
.rc-exp{font-size:11.5px;color:var(--ink-3);margin-top:8px}
.bal{font-size:12px;color:var(--ink-2);margin-top:6px}
.bal .low{color:#b33}
.olist{display:grid;gap:8px}
.oi{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:10px;border-radius:14px;border:1px solid var(--line);background:#fff}
.oi img{width:44px;height:44px;object-fit:contain;border-radius:10px}
.oi b{display:block;font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.oi .mono{font-size:11.5px;color:var(--ink-3)}
.oi .st{font:500 12px var(--mono);padding:5px 9px;border-radius:999px;background:rgba(20,26,58,.06)}
.oi .st.paid{background:#e7f6ee;color:#1d6b44}
@media (max-width:980px){.ck-grid{grid-template-columns:1fr}.ck-rc{position:relative;top:0;order:-1}}
@media (max-width:560px){.cur-grid{grid-template-columns:repeat(2,1fr)}.addr{grid-template-columns:1fr}.two{grid-template-columns:1fr}.co-page .nav-links{display:none}}