.calc-section { padding: 80px 0; background: var(--body-bg); }
.calc-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 24px; margin-top: 32px; }
.calc-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 900px) { .calc-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); } }
.calc-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.calc-field label { font-size: 13px; color: var(--text-secondary); font-weight: 600; }
.calc-field input, .calc-field select { padding: 11px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md); font: inherit; font-size: 15px; background: #fff; color: var(--text-primary); }
.calc-field input:focus, .calc-field select:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.calc-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.calc-table th { text-align: left; font-size: 12px; color: var(--text-muted); font-weight: 600; padding: 8px 6px; border-bottom: 1px solid var(--border-color); }
.calc-table td { padding: 10px 6px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.calc-table th:last-child, .calc-table td:last-child { text-align: right; }
.calc-sum { margin-top: 14px; font-size: 14px; }
.calc-sum > div { display: flex; justify-content: space-between; padding: 6px 0; }
.calc-total { border-top: 1px solid var(--border-color); margin-top: 6px; padding-top: 10px !important; font-weight: 700; font-size: 16px; font-family: var(--font-heading); }
.calc-note { font-size: 12px; color: var(--text-muted); margin: 14px 0; }
#cWa { width: 100%; justify-content: center; }