/* JS toggles this utility class directly via classList — must exist locally */
.d-none { display: none !important; }

/* Calculator card */
.calc-card { background: var(--white); border: 1px solid var(--border);
    border-radius: 16px; padding: 28px; box-shadow: 0 8px 30px rgba(26,26,26,.06); }
.calc-card h3 { font-size: 20px; margin-bottom: 20px; }

/* Form controls — sandstone/white, --border borders, 8px radius */
.calc-field { margin-bottom: 20px; }
.calc-label { display: block; font-family: "Space Grotesk", sans-serif;
    font-weight: 600; font-size: 14px; margin-bottom: 8px; color: var(--black); }
.calc-input, .calc-select { width: 100%; font-family: inherit; font-size: 16px;
    padding: 12px 14px; background: var(--white); border: 1px solid var(--border);
    border-radius: 8px; color: var(--black); }
.calc-input:focus, .calc-select:focus { outline: none; border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(232,93,31,.12); }
.calc-input-group { display: flex; align-items: stretch; }
.calc-input-group .calc-prefix { display: flex; align-items: center;
    padding: 0 14px; background: var(--sandstone); border: 1px solid var(--border);
    border-right: none; border-radius: 8px 0 0 8px; font-weight: 600; }
.calc-input-group .calc-input { border-radius: 0 8px 8px 0; }
.calc-help { font-size: 13px; color: var(--text-2); margin-top: 6px; }

/* Segmented add/remove toggle (radio buttons visually hidden) */
.calc-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 0;
    border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.calc-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.calc-toggle label { display: flex; align-items: center; justify-content: center;
    gap: 6px; padding: 12px; font-family: "Space Grotesk", sans-serif; font-weight: 600;
    font-size: 14px; cursor: pointer; background: var(--white); color: var(--text-2);
    transition: background .15s, color .15s; }
.calc-toggle label:first-of-type { border-right: 1px solid var(--border); }
.calc-toggle input:checked + label { background: var(--orange); color: #fff; }

/* Inline notices */
.calc-note { border-radius: 8px; padding: 14px 16px; margin-bottom: 18px; }
.calc-note h6 { font-family: "Space Grotesk", sans-serif; font-weight: 600;
    font-size: 14px; margin: 0 0 4px; }
.calc-note p { margin: 0; font-size: 13px; }
.calc-note--info { background: rgba(46,93,59,.08); border: 1px solid rgba(46,93,59,.2);
    color: var(--green); }
.calc-note--tip { background: rgba(232,93,31,.08); border: 1px solid rgba(232,93,31,.2);
    color: var(--orange); }

/* Results panel */
.result-panel { background: var(--black); color: #fff; border-radius: 16px; padding: 28px; }
.result-panel h3 { color: #fff; font-size: 20px; margin-bottom: 22px; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; text-align: center; }
.result-grid .r-label { font-size: 13px; opacity: .65; margin-bottom: 4px; }
.result-grid .r-value { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 26px; }
.result-grid .r-value.r-gst { color: var(--yellow); }
.result-formula { margin-top: 20px; padding: 14px 16px; border-radius: 8px;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
    font-family: "IBM Plex Mono", monospace; font-size: 14px; }

/* Hero quick-facts */
.hero-facts { display: flex; gap: 28px; margin-top: 22px; }
.hero-facts .hf { text-align: center; }
.hero-facts .hf-num { font-family: "Space Grotesk", sans-serif; font-weight: 700;
    font-size: 22px; color: var(--orange); }
.hero-facts .hf-label { font-size: 13px; color: var(--text-2); }

.calc-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
@media (max-width: 880px) {
    .calc-layout { grid-template-columns: 1fr; }
    .result-grid { grid-template-columns: 1fr; gap: 12px; }
}