/* CSS (упрощённо, но повторяет вашу верстку классов) */
.cargo-calc{width:100%;margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#101010;color:#939393;min-height:100vh}
.cargo-calc *,.cargo-calc *::before,.cargo-calc *::after{box-sizing:border-box}
.cargo-calc-inner{width:100%;margin:0 auto;padding:48px 20px;max-width:1200px}
.cargo-calc-header{margin:0 0 40px 0;text-align:center}
.cargo-calc .badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:linear-gradient(135deg,#ff0101,#cc0101);border:1px solid rgba(255,1,1,.3);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#fff;font-weight:600;box-shadow:0 4px 20px rgba(255,1,1,.3)}
.cargo-calc .badge-dot{width:6px;height:6px;border-radius:999px;background:#fff;box-shadow:0 0 8px rgba(255,255,255,.6)}
.cargo-calc h1{margin:20px 0 12px;font-size:clamp(28px,5vw,36px);line-height:1.1;color:#fff;font-weight:700}
.cargo-calc .lead{margin:0 0 8px;font-size:16px;color:#939393;max-width:700px;margin-left:auto;margin-right:auto;line-height:1.5}
.cargo-calc .small{font-size:13px;color:#6b7280;margin:0 auto 20px;max-width:600px;line-height:1.4}
.cargo-calc .benefits-list{margin:24px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:12px 20px;font-size:13px;color:#939393;justify-content:center}
.cargo-calc .benefits-list li{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.cargo-calc .benefits-dot{width:6px;height:6px;border-radius:999px;background:#ff0101;box-shadow:0 0 8px rgba(255,1,1,.6)}
.cargo-calc .calculator{margin-top:0;background:rgba(255,255,255,.03);border-radius:20px;padding:32px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.cargo-calc .calculator-col-left{padding-right:20px;border-right:1px solid rgba(255,255,255,.1)}
.cargo-calc .calculator-col-right{padding-left:20px}
.cargo-calc h2{margin:0 0 16px;font-size:22px;color:#fff;font-weight:600}
.cargo-calc .section-caption{font-size:14px;color:#6b7280;margin-bottom:20px;line-height:1.5}
.cargo-calc .quick-presets{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.cargo-calc .preset-btn{border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);padding:10px 18px;font-size:13px;cursor:pointer;transition:.2s;color:#939393;font-weight:500}
.cargo-calc .preset-btn.is-active{background:linear-gradient(135deg,#ff0101,#cc0101);border-color:#ff0101;color:#fff}
.cargo-calc .form-row{display:flex;gap:16px}
.cargo-calc .form-row>.form-group{flex:1 1 0}
.cargo-calc .form-group{margin-bottom:20px}
.cargo-calc label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:14px;margin-bottom:8px;color:#939393;font-weight:500}
.cargo-calc label span.label-badge{font-size:11px;padding:4px 10px;border-radius:999px;background:rgba(255,1,1,.15);color:#ff0101;font-weight:600;border:1px solid rgba(255,1,1,.3)}
.cargo-calc input,.cargo-calc select{width:100%;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#fff;font-size:15px;outline:none}
.cargo-calc .help-text{font-size:12px;color:rgba(255,255,255,.5);margin-top:4px;line-height:1.4}
.cargo-calc .smart-hint{margin-top:16px;padding:16px 20px;border-radius:12px;background:rgba(255,1,1,.08);border:1px solid rgba(255,1,1,.2);font-size:13px;color:#fff}
.cargo-calc table{width:100%;border-collapse:collapse;font-size:14px;margin-top:16px;background:rgba(255,255,255,.02);border-radius:12px;overflow:hidden}
.cargo-calc th,.cargo-calc td{padding:12px 12px;text-align:left;vertical-align:top}
.cargo-calc th{font-weight:600;color:#939393;border-bottom:1px solid rgba(255,255,255,.1)}
.cargo-calc tfoot td{border-top:2px solid #ff0101;font-weight:700;padding-top:16px;color:#fff}
.cargo-calc .text-right{text-align:right}
.cargo-calc .muted{color:rgba(255,255,255,.6);font-weight:400}
.cargo-calc .approx{color:#fff;font-weight:600}
.cargo-calc .big-total{margin-top:16px;font-size:28px;font-weight:800;color:#fff}
.cargo-calc .cta-block{margin-top:24px;padding:20px 24px;border-radius:16px;border:1px solid rgba(255,1,1,.3);background:rgba(255,1,1,.08)}
.cargo-calc .btn-primary,.cargo-calc .btn-secondary{display:inline-flex;justify-content:center;align-items:center;padding:12px 24px;border-radius:999px;border:none;font-size:14px;font-weight:600;cursor:pointer}
.cargo-calc .btn-primary{background:linear-gradient(135deg,#ff0101,#cc0101);color:#fff}
.cargo-calc .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
.cargo-calc .btn-primary--sm{padding:10px 20px;font-size:13px}
.cargo-calc .calc-sticky{position:fixed;left:0;right:0;bottom:0;padding:12px 20px;background:rgba(16,16,16,.98);display:none;align-items:center;justify-content:space-between;gap:16px;z-index:100;border-top:1px solid rgba(255,255,255,.1)}
.cargo-calc .calc-sticky.is-visible{display:flex}
@media (max-width:900px){.cargo-calc .calculator{grid-template-columns:1fr;gap:32px;padding:24px}.cargo-calc .calculator-col-left{border-right:none;padding-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:24px;margin-bottom:16px}.cargo-calc .calculator-col-right{padding-left:0}}
@media (max-width:600px){.cargo-calc .calculator{padding:20px;border-radius:16px}.cargo-calc .form-row{flex-direction:column}}
@media (min-width:901px){.cargo-calc .calc-sticky{display:none !important}}