/* Layout */
    .page { max-width: 820px; margin: 0 auto; padding: 52px 24px 72px; }
    .hdr { font-family: var(--mono); font-size: 13px; color: var(--ink-faint);
           margin-bottom: 14px; }
    .hdr span { color: var(--amber-deep); font-weight: 500; }
    h1 { font-size: 30px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 8px; }
    .lead { color: var(--ink-soft); font-size: 16px; margin-bottom: 36px; }

    /* Steps indicator */
    .steps-bar { display: flex; gap: 0; margin-bottom: 40px; }
    .step-item { flex: 1; display: flex; align-items: center; gap: 10px;
                 font-family: var(--mono); font-size: 12.5px; color: var(--ink-faint); }
    .step-item + .step-item::before {
      content: ''; display: block; flex: 1; height: 1px;
      background: var(--line); margin: 0 10px;
    }
    .step-num { width: 24px; height: 24px; border-radius: 50%;
                display: flex; align-items: center; justify-content: center;
                font-size: 12px; font-weight: 600;
                background: var(--panel); border: 1px solid var(--line-strong);
                color: var(--ink-faint); flex-shrink: 0; }
    .step-item.active .step-num { background: var(--amber); border-color: var(--amber); color: #221600; }
    .step-item.active { color: var(--ink); }
    .step-item.done .step-num { background: var(--hit-soft); border-color: var(--hit-deep); color: var(--hit-deep); }

    /* Plan cards */
    .plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
                 gap: 16px; margin-bottom: 32px; }
    .plan-card { background: #fff; border: 1.5px solid var(--line-strong);
                 border-radius: 10px; padding: 24px; cursor: pointer;
                 transition: border-color .15s, transform .15s; position: relative; }
    .plan-card:hover { border-color: var(--amber); transform: translateY(-2px); }
    .plan-card.selected { border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
    .plan-card.recommended::after {
      content: 'most popular';
      position: absolute; top: -10px; right: 16px;
      font-family: var(--mono); font-size: 11px; font-weight: 600;
      background: var(--amber); color: #221600;
      padding: 2px 9px; border-radius: 3px; letter-spacing: .04em;
    }
    .plan-name { font-family: var(--mono); font-size: 11.5px; font-weight: 600;
                 letter-spacing: .05em; color: var(--ink-faint); margin-bottom: 12px; }
    .plan-price { font-size: 36px; font-weight: 700; letter-spacing: -.02em; line-height: 1; margin-bottom: 4px; }
    .plan-price span { font-size: 14px; font-weight: 500; color: var(--ink-faint); }
    .plan-desc { font-size: 13.5px; color: var(--ink-soft); margin-top: 10px; line-height: 1.55; }
    .plan-card ul { list-style: none; margin-top: 12px; }
    .plan-card li { font-size: 13px; color: var(--ink-soft); padding: 3px 0 3px 16px;
                    position: relative; }
    .plan-card li::before { content: '·'; position: absolute; left: 3px;
                             color: var(--amber); font-weight: 700; }

    /* Form */
    .form-section { background: #fff; border: 1px solid var(--line-strong);
                    border-radius: 10px; padding: 28px; margin-bottom: 24px; }
    .form-section h2 { font-size: 18px; margin-bottom: 20px; }
    .field { margin-bottom: 18px; }
    .field label { display: block; font-size: 14px; font-weight: 600;
                   margin-bottom: 6px; color: var(--ink); }
    .field label span { font-weight: 400; color: var(--ink-faint); margin-left: 4px; }
    .field input { width: 100%; padding: 10px 14px; font-size: 15px;
                   font-family: var(--sans); border: 1.5px solid var(--line-strong);
                   border-radius: var(--radius); background: var(--paper);
                   color: var(--ink); outline: none; transition: border-color .12s; }
    .field input:focus { border-color: var(--amber); background: #fff; }
    .field input::placeholder { color: var(--ink-faint); }
    .field .hint { font-family: var(--mono); font-size: 12px; color: var(--ink-faint);
                   margin-top: 5px; }
    .field .error { font-size: 13px; color: var(--block); margin-top: 5px; display: none; }

    /* Order summary */
    .summary { background: var(--panel); border: 1px solid var(--line);
               border-radius: 8px; padding: 20px 22px; margin-bottom: 24px; }
    .summary-row { display: flex; justify-content: space-between;
                   font-size: 14.5px; padding: 5px 0; }
    .summary-row .lbl { color: var(--ink-soft); }
    .summary-row .val { font-weight: 600; }
    .summary-row.total { border-top: 1px solid var(--line-strong); margin-top: 8px;
                         padding-top: 14px; font-size: 17px; }
    .summary-row.total .val { color: var(--amber-deep); font-size: 20px; }

    /* Buttons */
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
           font-family: var(--sans); font-weight: 600; font-size: 15.5px;
           padding: 12px 22px; border-radius: var(--radius);
           border: 1.5px solid transparent; cursor: pointer;
           transition: transform .12s, background .12s; width: 100%; }
    .btn-amber { background: var(--amber); color: #221600; }
    .btn-amber:hover { background: #F5A21F; transform: translateY(-1px); }
    .btn-amber:disabled { background: var(--panel); color: var(--ink-faint); cursor: not-allowed; transform: none; }
    .btn-outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
    .btn-outline:hover { border-color: var(--ink); }

    /* Crypto badges */
    .crypto-row { display: flex; gap: 10px; align-items: center;
                  margin-bottom: 20px; flex-wrap: wrap; }
    .crypto-badge { display: flex; align-items: center; gap: 6px;
                    font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft);
                    background: var(--panel); border: 1px solid var(--line);
                    border-radius: 4px; padding: 5px 10px; }
    .crypto-badge svg { width: 18px; height: 18px; }

    /* Panels */
    .panel-wrap { position: relative; }
    .panel { display: none; }
    .panel.active { display: block; }

    /* Success */
    .success-box { background: #fff; border: 1px solid var(--line-strong);
                   border-radius: 10px; padding: 40px 32px; text-align: center; }
    .success-icon { width: 56px; height: 56px; border-radius: 50%;
                    background: var(--hit-soft); border: 2px solid var(--hit-deep);
                    display: flex; align-items: center; justify-content: center;
                    margin: 0 auto 20px; }
    .success-icon svg { width: 28px; height: 28px; color: var(--hit-deep); }
    .success-box h2 { font-size: 22px; margin-bottom: 10px; }
    .success-box p { color: var(--ink-soft); margin-bottom: 10px; }
    .key-display { font-family: var(--mono); font-size: 13px;
                   background: var(--panel); border: 1px solid var(--line);
                   border-radius: 6px; padding: 14px 16px;
                   word-break: break-all; margin: 20px 0; text-align: left; }
    .copy-btn { font-family: var(--mono); font-size: 12.5px; background: var(--panel);
                border: 1px solid var(--line-strong); border-radius: 4px;
                padding: 4px 12px; cursor: pointer; margin-left: 8px; }
    .copy-btn:hover { border-color: var(--ink); }

    /* Status polling */
    .poll-box { text-align: center; padding: 32px; }
    .spinner { width: 36px; height: 36px; border: 3px solid var(--line);
               border-top-color: var(--amber); border-radius: 50%;
               animation: spin .8s linear infinite; margin: 0 auto 16px; }
    @keyframes spin { to { transform: rotate(360deg); } }
    .poll-status { font-family: var(--mono); font-size: 13px; color: var(--ink-faint); }

    /* Fine print */
    .fine { font-family: var(--mono); font-size: 12.5px; color: var(--ink-faint);
            text-align: center; margin-top: 14px; }
    .fine a { color: var(--amber-deep); }

    @media (max-width: 560px) {
      h1 { font-size: 24px; }
      .plan-grid { grid-template-columns: 1fr; }
      .form-section { padding: 20px; }
    }