@keyframes ibx-ff-pop{0%{transform:translateY(8px) scale(.94);opacity:.4}to{transform:none;opacity:1}}.ibx-ff{--ff-bg:var(--ibx-cream);--ff-panel:#ffffff;--ff-border:var(--ibx-border);--ff-accent:var(--ibx-copper);background:var(--ff-bg);color:var(--ibx-fg);padding:clamp(48px,6vw,96px) clamp(20px,4vw,32px)}.ibx-ff__inner{max-width:1280px;margin:0 auto}.ibx-ff__head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}.ibx-ff__heading{font-size:clamp(34px,5.4vw,58px);font-weight:var(--ibx-weight-bold);text-transform:uppercase;line-height:.95;letter-spacing:var(--ibx-tracking-heading);text-wrap:balance;margin:0 0 16px;color:var(--ibx-fg)}.ibx-ff__desc{font-size:var(--ibx-text-body);line-height:1.65;color:var(--ibx-warm-mid);margin:0}.ibx-ff__grid{display:grid;grid-template-columns:1fr;gap:24px}@media screen and (min-width:990px){.ibx-ff__grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:40px;align-items:start}}.ibx-ff__controls{display:flex;flex-direction:column;gap:22px}.ibx-ff__fieldset{border:0;padding:0;margin:0;min-width:0}.ibx-ff__legend{display:flex;justify-content:space-between;align-items:baseline;width:100%;font-size:var(--ibx-text-xs);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-eyebrow);text-transform:uppercase;color:var(--ibx-copper-h);margin-bottom:10px;padding:0}.ibx-ff__legend-step{color:var(--ibx-muted);letter-spacing:var(--ibx-tracking-ui);font-weight:var(--ibx-weight-medium)}.ibx-ff__slider-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}.ibx-ff__range{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(to right,var(--ff-accent) var(--ff-fill, 50%),var(--ibx-cream-3) var(--ff-fill, 50%));outline:0;margin:12px 0}.ibx-ff__range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:26px;height:26px;border-radius:50%;background:var(--ff-panel);border:3px solid var(--ff-accent);box-shadow:0 2px 6px rgb(0 0 0/.18);cursor:grab}.ibx-ff__range::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:var(--ff-panel);border:3px solid var(--ff-accent);box-shadow:0 2px 6px rgb(0 0 0/.18);cursor:grab}.ibx-ff__range:active::-webkit-slider-thumb{cursor:grabbing}.ibx-ff__range:focus-visible{outline:3px solid var(--ibx-focus-on-light);outline-offset:6px}.ibx-ff__out small,.ibx-ff__ticks{font-size:var(--ibx-text-2xs);letter-spacing:var(--ibx-tracking-ui);text-transform:uppercase;color:var(--ibx-muted)}.ibx-ff__ticks{display:flex;justify-content:space-between}.ibx-ff__out{min-width:96px;text-align:center;padding:8px 12px;border-radius:6px;background:var(--ff-panel);border:1px solid var(--ff-border);font-family:var(--ibx-font-display);font-size:2.2rem;font-weight:var(--ibx-weight-bold);line-height:1;color:var(--ibx-fg);font-variant-numeric:tabular-nums}.ibx-ff__out small{display:block;font-family:var(--ibx-font-body);font-weight:var(--ibx-weight-medium);margin-top:3px}.ibx-ff__unit{border:0;background:0 0;padding:0;margin-top:6px;font-size:var(--ibx-text-xs);color:var(--ibx-muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer}.ibx-ff__unit:focus-visible{outline:2px solid var(--ibx-focus-on-light);outline-offset:2px}.ibx-ff__options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}@media screen and (max-width:420px){.ibx-ff__options{grid-template-columns:1fr}}.ibx-ff__option{position:relative}.ibx-ff__option input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.ibx-ff__chip{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:64px;padding:10px 12px;border:1px solid var(--ff-border);border-radius:6px;background:var(--ff-panel);font-size:var(--ibx-text-nav);font-weight:var(--ibx-weight-semibold);color:var(--ibx-fg);transition:border-color 140ms ease,background 140ms ease,transform 140ms ease;pointer-events:none}.ibx-ff__chip small{display:block;font-size:var(--ibx-text-2xs);font-weight:var(--ibx-weight-regular);color:var(--ibx-muted);line-height:1.3}.ibx-ff__option input:hover+.ibx-ff__chip{border-color:var(--ff-accent);transform:translateY(-1px)}.ibx-ff__option input:checked+.ibx-ff__chip{border-color:var(--ff-accent);background:var(--ibx-copper-tint);box-shadow:inset 0 0 0 1px var(--ff-accent)}.ibx-ff__option input:focus-visible+.ibx-ff__chip{outline:3px solid var(--ibx-focus-on-light);outline-offset:2px}.ibx-ff__result{position:relative;background:var(--ibx-dark);color:var(--ibx-on-dark);border-radius:10px;padding:clamp(22px,3vw,34px);overflow:hidden;isolation:isolate}.ibx-ff__result::before{content:"";position:absolute;inset:-40% -20%auto auto;width:60%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgb(201 162 122/.18),transparent 65%);pointer-events:none;z-index:-1}.ibx-ff__result-eyebrow{display:block;font-size:var(--ibx-text-xs);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-eyebrow);text-transform:uppercase;color:var(--ibx-copper-light);margin-bottom:6px}.ibx-ff__top{display:flex;gap:20px;align-items:flex-end;flex-wrap:wrap}.ibx-ff__value{font-family:var(--ibx-font-display);font-size:clamp(64px,9vw,104px);font-weight:var(--ibx-weight-bold);line-height:.9;letter-spacing:var(--ibx-tracking-tight);color:var(--ibx-on-dark);margin:0;font-variant-numeric:tabular-nums}.ibx-ff__value.is-changing{animation:ibx-ff-pop 360ms cubic-bezier(.2,.9,.3,1.2)}.ibx-ff__vlabel{font-size:var(--ibx-text-sm);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-caps);text-transform:uppercase;color:var(--ibx-on-dark-m);padding-bottom:10px}.ibx-ff__vlabel strong{display:block;color:var(--ibx-on-dark);font-size:var(--ibx-text-md);letter-spacing:var(--ibx-tracking-ui);text-transform:none}.ibx-ff__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:22px 0 18px}@media screen and (max-width:420px){.ibx-ff__stats{grid-template-columns:1fr}}.ibx-ff__stat{background:rgb(255 255 255/.05);border:1px solid var(--ibx-border-inv);border-radius:8px;padding:12px 12px 10px;min-width:0}.ibx-ff__stat-l{font-size:var(--ibx-text-2xs);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-caps);text-transform:uppercase;color:var(--ibx-on-dark-m);margin:0 0 6px}.ibx-ff__stat-v{font-family:var(--ibx-font-display);font-size:clamp(24px,3vw,32px);font-weight:var(--ibx-weight-bold);line-height:1;color:var(--ibx-on-dark);margin:0}.ibx-ff__stat-s{font-size:var(--ibx-text-2xs);color:var(--ibx-on-dark-m);margin:6px 0 0}.ibx-ff__curves{display:flex;flex-wrap:wrap;gap:6px}.ibx-ff__stat-alt{color:var(--ibx-copper-light)}.ibx-ff__curve,.ibx-ff__math b{font-family:var(--ibx-font-display)}.ibx-ff__curve{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--ibx-copper-light);color:var(--ibx-dark);font-size:var(--ibx-text-md);font-weight:var(--ibx-weight-bold);letter-spacing:var(--ibx-tracking-ui)}.ibx-ff__stick{display:block;width:100%;height:auto;margin:4px 0 6px}.ibx-ff__shaft,.ibx-ff__shaft-rest{fill:none;stroke-width:9;stroke-linecap:round}.ibx-ff__shaft{stroke:#cdd3d8}.ibx-ff__shaft-rest{stroke:rgb(255 255 255/.14);stroke-dasharray:2 8}.ibx-ff__blade-shape{fill:#cdd3d8}.ibx-ff__hands{fill:var(--ibx-copper-light)}.ibx-ff__stick-label{font-family:var(--ibx-font-body);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;fill:var(--ibx-on-dark-m)}.ibx-ff__math,.ibx-ff__stick-caption{display:flex;color:var(--ibx-on-dark-m)}.ibx-ff__stick-caption{justify-content:space-between;font-size:var(--ibx-text-2xs);letter-spacing:var(--ibx-tracking-ui);text-transform:uppercase;margin-bottom:18px}.ibx-ff__math{flex-wrap:wrap;gap:6px 18px;margin:0 0 16px;padding:12px 14px;border-radius:8px;background:rgb(255 255 255/.05);border:1px solid var(--ibx-border-inv);font-size:var(--ibx-text-sm)}.ibx-ff__math span{display:inline-flex;flex-direction:column}.ibx-ff__math b{font-size:var(--ibx-text-sub);color:var(--ibx-on-dark);line-height:1.1}.ibx-ff__math small{font-size:var(--ibx-text-2xs)}.ibx-ff__math-total{margin-left:auto;text-align:right}.ibx-ff__math-total b{color:var(--ibx-copper-light)}.ibx-ff__why{font-size:var(--ibx-text-base);line-height:1.6;color:var(--ibx-on-dark-m);margin:0 0 18px}.ibx-ff__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.ibx-ff__btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 22px;border-radius:4px;border:1px solid transparent;font-family:var(--ibx-font-body);font-size:var(--ibx-text-nav);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-cta);text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background 140ms ease,color 140ms ease,transform 140ms ease}.ibx-ff__btn--primary{background:#433529;color:var(--ibx-on-light)}.ibx-ff__btn--primary:hover{background:#4f331b;color:var(--ibx-on-light);transform:translateY(-1px)}.ibx-ff__btn--ghost{background:0 0;color:var(--ibx-on-dark);border-color:rgb(255 255 255/.35)}.ibx-ff__btn--ghost:hover{border-color:var(--ibx-on-dark);color:var(--ibx-on-dark)}.ibx-ff__btn:focus-visible{outline:3px solid var(--ibx-focus-on-dark);outline-offset:2px}.ibx-ff__memory,.ibx-ff__status{font-size:var(--ibx-text-xs);color:var(--ibx-on-dark-m)}.ibx-ff__status{flex-basis:100%}.ibx-ff__memory{margin-top:14px}.ibx-ff__memory button{border:0;background:0 0;padding:0;font:inherit;color:var(--ibx-copper-light);text-decoration:underline;text-underline-offset:3px;cursor:pointer}.ibx-ff__memory button:focus-visible{outline:2px solid var(--ibx-focus-on-dark);outline-offset:2px}.ibx-ff__explain{display:grid;grid-template-columns:1fr;gap:20px;margin-top:clamp(28px,4vw,44px);padding-top:clamp(24px,3vw,32px);border-top:1px solid var(--ff-border)}@media screen and (min-width:990px){.ibx-ff__explain{grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:40px}}.ibx-ff__explain-copy p{font-size:var(--ibx-text-md);line-height:1.65;color:var(--ibx-fg2);margin:0 0 12px}.ibx-ff__explain-copy p:last-child,.ibx-ff__limits li:last-child{margin-bottom:0}.ibx-ff__explain-copy strong{color:var(--ibx-fg)}.ibx-ff__limits{background:var(--ff-panel);border:1px solid var(--ff-border);border-radius:8px;padding:18px 20px}.ibx-ff__limits-title{font-size:var(--ibx-text-xs);font-weight:var(--ibx-weight-semibold);letter-spacing:var(--ibx-tracking-eyebrow);text-transform:uppercase;color:var(--ibx-copper-h);margin:0 0 10px}.ibx-ff__limits ul{margin:0;padding-left:18px}.ibx-ff__limits li{font-size:var(--ibx-text-sm);line-height:1.5;color:var(--ibx-fg2);margin:0 0 6px}.ibx-ff--dark{--ff-bg:var(--ibx-dark);--ff-panel:var(--ibx-dark-2);--ff-border:var(--ibx-border-inv);--ff-accent:var(--ibx-copper-light)}.ibx-ff--dark,.ibx-ff--dark .ibx-ff__chip,.ibx-ff--dark .ibx-ff__explain-copy strong,.ibx-ff--dark .ibx-ff__heading,.ibx-ff--dark .ibx-ff__out{color:var(--ibx-on-dark)}.ibx-ff--dark .ibx-ff__chip small,.ibx-ff--dark .ibx-ff__desc,.ibx-ff--dark .ibx-ff__explain-copy p,.ibx-ff--dark .ibx-ff__legend-step,.ibx-ff--dark .ibx-ff__limits li,.ibx-ff--dark .ibx-ff__out small,.ibx-ff--dark .ibx-ff__ticks,.ibx-ff--dark .ibx-ff__unit{color:var(--ibx-on-dark-m)}.ibx-ff--dark .ibx-ff__legend{color:var(--ibx-copper-light)}.ibx-ff--dark .ibx-ff__option input:checked+.ibx-ff__chip{background:rgb(201 162 122/.14)}.ibx-ff--dark .ibx-ff__range{background:linear-gradient(to right,var(--ff-accent) var(--ff-fill, 50%),var(--ibx-border-inv) var(--ff-fill, 50%))}.ibx-ff--dark .ibx-ff__range::-webkit-slider-thumb{background:var(--ibx-dark)}.ibx-ff--dark .ibx-ff__range::-moz-range-thumb{background:var(--ibx-dark)}.ibx-ff--dark .ibx-ff__option input:focus-visible+.ibx-ff__chip,.ibx-ff--dark .ibx-ff__range:focus-visible,.ibx-ff--dark .ibx-ff__unit:focus-visible{outline-color:var(--ibx-focus-on-dark)}.ibx-ff--dark .ibx-ff__result{background:var(--ibx-dark-2);border:1px solid var(--ibx-border-inv)}.ibx-ff--dark .ibx-ff__limits-title{color:var(--ibx-copper-light)}@media (prefers-reduced-motion:reduce){.ibx-ff__value.is-changing{animation:none}.ibx-ff__btn,.ibx-ff__chip{transition:none}}