#calculator { scroll-margin-top: 6rem; }
.vc-calc__heading { max-width: 52rem; margin-bottom: var(--space-5); }
.vc-calc__heading h2 { max-width: 18ch; }
.vc-calc__heading .lede { margin-top: var(--space-3); max-width: 64ch; }
.vc-calc__surface { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,1fr); border: 1px solid var(--silver); border-radius: 1rem; overflow: hidden; background: var(--white); }
.vc-calc__inputs { padding: clamp(1.25rem,3vw,3rem); }
.vc-calc__intro h3 { font-size: var(--step-2); }
.vc-calc__intro p,.vc-calc__help,.vc-calc__assumption,.vc-calc__disclaimer { color: var(--slate); font-size: .875rem; line-height: 1.6; }
.vc-calc__intro p { margin-top: .5rem; }
.vc-calc__field { margin-top: 2.25rem; }
.vc-calc__field-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.vc-calc__field-head label { color: var(--ink); font-size: .93rem; font-weight: 600; max-width: 25ch; }
.vc-calc__number-wrap { position: relative; flex: 0 0 5.8rem; }
.vc-calc__number-wrap input { width: 100%; min-height: 44px; padding: .5rem 1.3rem .5rem .6rem; border: 1px solid var(--silver); border-radius: .5rem; background: var(--white); color: var(--ink); font: inherit; font-weight: 600; text-align: right; appearance: textfield; }
.vc-calc__number-wrap input::-webkit-inner-spin-button { appearance: none; }
.vc-calc__number-wrap > span { position: absolute; right: .35rem; top: .65rem; font-size: .8rem; }
.vc-calc__help { margin-top: .5rem; max-width: 60ch; }
.vc-slider { position: relative; display: flex; width: 100%; height: 44px; align-items: center; touch-action: none; user-select: none; margin-top: 2.75rem; padding: 0 22px; }
.vc-slider__track { position: relative; flex-grow: 1; height: 4px; background: var(--silver); border-radius: 999px; }
.vc-slider__range { position: absolute; height: 100%; background: var(--blue); border-radius: inherit; }
.vc-slider__thumb { display: block; position: relative; width: 44px; height: 44px; cursor: grab; border-radius: 50%; }
.vc-slider__thumb::after { content: ''; position: absolute; inset: 10px; border: 3px solid var(--blue); background: var(--white); border-radius: 50%; box-shadow: 0 3px 8px rgb(10 12 16 / 12%); }
.vc-slider__thumb:active { cursor: grabbing; }
.vc-slider__bubble { position: absolute; bottom: 45px; left: 50%; transform: translateX(-50%); display: flex; align-items: baseline; color: var(--blue-deep); font-size: 1.1rem; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.vc-calc__error { min-height: 1.25rem; color: var(--error); font-size: .8rem; }
.vc-calc__number-wrap input[aria-invalid=true] { border-color: var(--error); }
.vc-calc__presets { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.vc-calc__presets button { min-width: 58px; min-height: 44px; border: 1px solid var(--silver); border-radius: .5rem; padding: .45rem .7rem; color: var(--ink); background: transparent; font: inherit; font-size: .85rem; cursor: pointer; }
.vc-calc__presets button[aria-pressed=true] { background: var(--blue-mist); color: var(--blue-deep); border-color: var(--blue); }
.vc-calc__presets span { width: 100%; margin-top: .25rem; font-size: .75rem; color: var(--slate); }
.vc-calc__reset { min-height: 44px; border: 0; padding: 0; margin-top: 1.25rem; color: var(--blue-deep); background: transparent; font: inherit; font-size: .875rem; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.vc-calc .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.vc-calc__results { padding: clamp(1.25rem,3vw,3rem); background: var(--blue-mist); }
.vc-calc__volume { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--silver); }
.vc-calc__volume span { font-size: .875rem; color: var(--slate); }
.vc-calc__volume strong { font-size: 1.75rem; font-variant-numeric: tabular-nums; }
.vc-calc__comparison { margin-top: 2rem; }
.vc-calc__comparison > div:first-child { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.vc-calc__comparison span { font-size: .875rem; font-weight: 600; }
.vc-calc__comparison small { display: block; margin-top: .3rem; font-size: .75rem; font-weight: 400; color: var(--slate); }
.vc-calc__comparison strong { font-size: 1.4rem; text-align: right; font-variant-numeric: tabular-nums; }
.vc-calc__bar { height: 8px; border-radius: 999px; background: var(--silver); margin-top: 1rem; overflow: hidden; }
.vc-calc__bar > span { display: block; height: 100%; background: var(--slate); transition: width 200ms ease-out; }
.vc-calc__bar > span.is-scenario { background: var(--blue); }
.vc-calc__difference { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--silver); }
.vc-calc__difference > span { display: block; font-size: .9rem; font-weight: 600; }
.vc-calc__difference strong { display: block; color: var(--blue-deep); font-size: clamp(3.5rem,6vw,5.5rem); font-family: var(--font-display); font-weight: 600; letter-spacing: -.035em; line-height: 1.2; font-variant-numeric: tabular-nums; }
.vc-calc__difference p { color: var(--slate); font-size: .8rem; }
.vc-calc__equation { margin-top: 1.5rem; font-size: .875rem; line-height: 1.6; }
.vc-calc__assumption { margin-top: 1rem; }
.vc-calc__disclaimer { margin-top: 1rem; font-size: .8rem; }
.vc-calc__cta { display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; margin-top: var(--space-4); }
.vc-calc__cta p { color: var(--slate); }
#calculator input:focus-visible,#calculator button:focus-visible,.vc-slider__thumb:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
@media(max-width:900px) { .vc-calc__surface { grid-template-columns: 1fr; } .vc-calc__field { margin-top: 1.75rem; } }
@media(max-width:600px) { .vc-calc__cta { align-items: flex-start; flex-direction: column; } .vc-calc__cta .button { width: 100%; } .vc-calc__field-head { gap: .5rem; } }
@media(prefers-reduced-motion:reduce) { .vc-calc__bar > span { transition: none; } }