.fh-page{--fh-card:#fff;--fh-card-line:color-mix(in srgb, var(--ink) 11%, transparent);--fh-radius:.75rem;--fh-shadow:0 1px 2px color-mix(in srgb, var(--ink) 5%, transparent), 0 8px 24px color-mix(in srgb, var(--ink) 5%, transparent);--fh-wire:color-mix(in srgb, var(--ink) 18%, transparent);--fh-live:color-mix(in srgb, var(--rust) 62%, transparent);--fh-mono:var(--font-geist-mono), ui-monospace, "SFMono-Regular", Menlo, monospace;--fh-gutter:clamp(1rem, 4vw, 2.5rem);background:var(--bone);min-height:100vh;color:var(--ink);position:relative;overflow-x:clip}.fh-canvas{z-index:0;pointer-events:none;background-image:linear-gradient(color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px);background-size:64px 64px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 70%,#0000 100%);mask-image:linear-gradient(#000 0 70%,#0000 100%)}.fh-calc{gap:1rem;margin-top:2.25rem;display:grid}.fh-calc__grid{gap:1rem;display:grid}@media (min-width:860px){.fh-calc__grid{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}}.fh-calc__panel{border:1px solid var(--fh-card-line);border-radius:var(--fh-radius);background:var(--fh-card);min-width:0;box-shadow:var(--fh-shadow);margin:0;padding:1.3rem 1.15rem 1.4rem}@media (min-width:600px){.fh-calc__panel{padding:1.5rem 1.5rem 1.7rem}}.fh-calc__panel--result{border-color:color-mix(in srgb, var(--rust) 26%, transparent)}.fh-calc__legend{float:left;width:100%;font-family:var(--fh-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--rust);margin:0 0 1.1rem;padding:0;font-size:.68rem;font-weight:500}.fh-calc__fields{clear:both;gap:1rem 1.25rem;display:grid}@media (min-width:520px){.fh-calc__fields{grid-template-columns:repeat(2,minmax(0,1fr))}}.fh-field{flex-direction:column;gap:.4rem;min-width:0;display:flex}.fh-field__label{color:var(--slate);font-size:.8rem}.fh-field__control{border:1px solid color-mix(in srgb, var(--ink) 16%, transparent);background:color-mix(in srgb, white 70%, var(--bone));border-radius:3px;align-items:center;transition:border-color .15s,box-shadow .15s;display:flex}.fh-field__control:focus-within{border-color:color-mix(in srgb, var(--rust) 60%, transparent);box-shadow:0 0 0 3px color-mix(in srgb, var(--rust) 14%, transparent)}.fh-field__control input{width:100%;min-width:0;font-family:var(--fh-mono);font-variant-numeric:tabular-nums;color:var(--ink);background:0 0;border:0;outline:none;padding:.6rem .75rem;font-size:.95rem}.fh-field__affix{font-family:var(--fh-mono);color:var(--warm-gray);padding-left:.75rem;font-size:.85rem}.fh-field__control input+.fh-field__affix{padding-left:0;padding-right:.75rem}.fh-stats{clear:both;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin:0;display:grid}.fh-stats dt{font-family:var(--fh-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--warm-gray);font-size:.66rem}.fh-stats dd{font-family:var(--fh-mono);font-variant-numeric:tabular-nums;color:var(--ink);margin:.3rem 0 0;font-size:1.35rem;font-weight:500}.fh-stats__wide{border-top:1px solid color-mix(in srgb, var(--ink) 8%, transparent);grid-column:1/-1;padding-top:1.1rem}.fh-stats .fh-stats__big{font-family:var(--font-display), var(--font-geist-sans), system-ui, sans-serif;color:var(--rust);font-size:clamp(2.4rem,5vw,3.2rem);font-weight:600;line-height:1}.fh-calc__note{color:var(--slate);margin:1.1rem 0 0;font-size:.85rem;line-height:1.55}.fh-calc__scenario-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1.5rem;margin-bottom:1.1rem;display:flex}.fh-calc__scenario-head .fh-calc__legend{float:none;width:auto;margin:0}.fh-calc__fields--row{max-width:34rem}.fh-segment{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:#f1eee8;border-radius:2px;gap:.2rem;padding:.2rem;display:inline-flex}.fh-segment__btn{color:var(--slate);cursor:pointer;background:0 0;border:0;border-radius:2px;padding:.35rem .85rem;font-size:.8rem}.fh-segment__btn[aria-checked=true]{background:var(--ink);color:var(--bone)}.fh-segment__btn:focus-visible{outline:2px solid var(--rust);outline-offset:2px}.fh-compare{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;margin-top:1.5rem;font-size:.9rem}.fh-compare th,.fh-compare td{border-top:1px solid color-mix(in srgb, var(--ink) 8%, transparent);text-align:left;vertical-align:top;padding:.6rem .5rem .6rem 0}.fh-compare td{font-family:var(--fh-mono);font-size:.85rem}.fh-compare thead th{font-family:var(--fh-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--warm-gray);border-top:0;font-size:.66rem;font-weight:500}.fh-compare tbody th{color:var(--slate);font-weight:400}.fh-compare td:last-child{color:var(--rust);font-weight:600}.fh-calc__summary{font-family:var(--font-display), var(--font-geist-sans), system-ui, sans-serif;margin:1.25rem 0 0;font-size:1.25rem;line-height:1.35}.fh-calc__caveat{max-width:40rem;color:var(--slate);margin:.75rem 0 0;font-size:.85rem;line-height:1.6}.fh-calc__cta{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin-top:1.5rem;display:flex}.fh-calc__private{font-family:var(--fh-mono);letter-spacing:.04em;color:var(--warm-gray);font-size:.68rem}