.calc{width:min(calc(100% - 40px),1100px);margin:0 auto;padding:72px 0 48px}.calc__hero{text-align:center;margin-bottom:48px}.calc__hero h1{margin:0 0 14px;font-size:clamp(34px,4.8vw,48px);line-height:1.05;letter-spacing:-.02em}.calc__hero p{margin:0 auto;max-width:60ch;color:var(--text-secondary);font-size:17px;line-height:1.6}.calc__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,440px);gap:32px;align-items:start}.calc__form{display:grid;gap:28px}.calc__fieldset{border:1px solid var(--border);border-radius:var(--radius-card);padding:22px 20px 18px;background:#fff}.calc__legend{padding:0 8px;font-family:"M PLUS Rounded 1c",Segoe UI,sans-serif;font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--primary)}.calc__row{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;margin-top:14px}@media(min-width:720px){.calc__row--2{grid-template-columns:repeat(2,minmax(0,1fr))}}.calc__field label{display:block;margin:0 0 6px;color:var(--text-primary);font-size:13px;font-weight:600}.calc__input-wrap{position:relative;display:flex;align-items:stretch}.calc__input-wrap input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text-primary);font:inherit;font-size:15px;font-weight:600}.calc__input-wrap input:focus{outline:2px solid rgba(74,140,255,.35);border-color:var(--primary)}.calc__suffix{display:inline-flex;align-items:center;padding:0 12px;margin-left:6px;border:1px solid var(--border);border-radius:10px;background:var(--background-secondary);color:var(--text-secondary);font-size:13px;font-weight:700}.calc__hint{margin:4px 0 0;color:var(--text-tertiary);font-size:12px;line-height:1.4}.calc__results{display:grid;gap:20px;position:sticky;top:96px}.calc__results-card{padding:22px;border:1px solid var(--border);border-radius:var(--radius-card);background:#fff}.calc__results-card--primary{background:#0c1117;color:#fff;border-color:#0c1117}.calc__results-card--primary .calc__metric-label,.calc__results-card--primary .calc__metric-note{color:#ffffffb3}.calc__results-card--primary .calc__metric-value{color:#fff}.calc__metric-label{margin:0 0 6px;color:var(--text-secondary);font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700}.calc__metric-value{margin:0;font-size:clamp(28px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.05;color:var(--text-primary)}.calc__metric-value--positive{color:var(--success)}.calc__metric-value--negative{color:var(--danger)}.calc__metric-note{margin:8px 0 0;color:var(--text-tertiary);font-size:13px;line-height:1.5}.calc__secondary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0;margin:0;list-style:none}.calc__secondary-item{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--background-secondary)}.calc__secondary-item dt{color:var(--text-secondary);font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:700}.calc__secondary-item dd{margin:4px 0 0;font-size:18px;font-weight:800;color:var(--text-primary);letter-spacing:-.01em}.calc__chart{margin-top:18px}.calc__chart-title{margin:0;font-size:13px;font-weight:700;color:var(--text-secondary);letter-spacing:.04em;text-transform:uppercase}.calc__chart-total{margin:6px 0 12px;font-size:clamp(28px,3.4vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--text-primary)}.calc__chart-total--positive{color:#19aa5c}.calc__chart-total--negative{color:var(--danger)}.calc__chart-svg{width:100%;height:160px;display:block}.calc__chart-note{margin:6px 0 0;color:var(--text-tertiary);font-size:12px;line-height:1.5}.calc__cta{display:grid;gap:10px;justify-items:center;max-width:1100px;margin:40px auto 0;padding:20px;border-radius:var(--radius-card);background:var(--background-secondary);text-align:center}.calc__cta p{margin:0;color:var(--text-secondary);font-size:14px}.calc__share{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--text-secondary)}.calc__share button{height:36px;padding:0 14px;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--text-primary);cursor:pointer;font:inherit;font-size:13px;font-weight:700}.calc__share button:hover{border-color:var(--primary);color:var(--primary)}.calc__share-feedback{min-height:18px;color:var(--success);font-weight:700}@media(max-width:880px){.calc__grid{grid-template-columns:minmax(0,1fr)}.calc__results{position:static}}@media(max-width:520px){.calc__secondary-grid{grid-template-columns:1fr}}