@media (max-width:700px){.doc-hero h1 em{display:block}}.calc-wrap{gap:clamp(28px,4vw,44px);padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(64px,8vw,104px);display:grid}.calc{gap:22px;display:grid}@media (min-width:980px){.calc{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start}}.calc-card{gap:22px;padding:clamp(24px,3.2vw,38px);display:grid;position:relative;overflow:hidden}.calc-mark{z-index:0;pointer-events:none;fill:none;width:210px;height:auto;stroke:var(--gold);stroke-width:1.1px;stroke-linecap:round;stroke-linejoin:round;opacity:.14;position:absolute;bottom:-10px;right:-12px}.calc-card>:not(.calc-mark){z-index:1;position:relative}.calc-inputs{gap:22px;display:grid}.calc-field{border:0;flex-direction:column;gap:9px;min-width:0;margin:0;padding:0;display:flex}.calc-field>label,.calc-field>legend{font-family:var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);padding:0;font-size:.625rem}.calc-gram{border-bottom:2px solid var(--card-rule);align-items:baseline;gap:10px;padding-bottom:8px;display:flex}.calc-gram input{width:100%;min-width:0;font-family:var(--f-mono);letter-spacing:-.01em;color:var(--ink);background:0 0;border:0;flex:auto;padding:0;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:600}.calc-gram input:focus{outline:none}.calc-gram:focus-within{border-bottom-color:var(--gold)}.calc-gram span{font-family:var(--f-mono);color:var(--muted);font-size:1.125rem}.calc-err{color:var(--stamp);font-size:.8125rem}.calc-chips{flex-wrap:wrap;gap:8px;display:flex}.calc-chip{cursor:pointer;position:relative}.calc-chip input{opacity:0;pointer-events:none;width:1px;height:1px;margin:0;position:absolute}.calc-chip span{border:1px solid var(--card-rule);background:var(--paper);min-width:62px;transition:border-color .2s ease,background .25s ease,transform .2s var(--ease-out,ease);border-radius:3px;flex-direction:column;align-items:center;gap:1px;padding:9px 12px;display:flex}.calc-chip b{font-family:var(--f-mono);color:var(--ink);font-size:1rem;font-weight:600;line-height:1.1}.calc-chip small{color:var(--muted);white-space:nowrap;font-size:.625rem}.calc-chip:hover span{border-color:var(--gold);transform:translateY(-1px)}.calc-chip input:checked+span{background:linear-gradient(100deg,var(--foil-3),var(--foil-2) 30%,var(--foil-1) 50%,var(--foil-2) 70%,var(--foil-3));background-size:220% 100%;border-color:#0000;box-shadow:inset 0 1px #ffffffa6,0 6px 14px -8px #3e2c0eb3}.calc-chip input:checked+span b{color:#2a1d08}.calc-chip input:checked+span small{color:#5a4211}.calc-chip input:focus-visible+span{outline:2px solid var(--sky-ink);outline-offset:2px}.calc-custom{flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px;display:flex}.calc-custom label{font-size:.8125rem;font-weight:600}.calc-custom input{width:96px;font-family:var(--f-mono);color:var(--ink);background:var(--paper);border:1px solid var(--card-rule);border-radius:2px;padding:8px 10px;font-size:1rem}.calc-custom input:focus{border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 18%,transparent);outline:none}.calc-hint{color:var(--muted);font-size:.75rem}.calc-out{background:linear-gradient(160deg,color-mix(in srgb,var(--gold-soft) 55%,var(--paper)),var(--paper) 70%);border:1px solid var(--card-rule);border-radius:3px;gap:4px;padding:20px 22px;display:grid}.calc-out-key{font-family:var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--gold-ink);font-size:.625rem}.calc-out-num{font-family:var(--f-display);letter-spacing:-.018em;font-size:clamp(2.5rem,6vw,3.75rem);font-weight:600;line-height:1.02}.calc-out-unit{font-size:.45em;font-weight:500}.calc-out-sub{font-family:var(--f-mono);color:var(--muted);font-size:.75rem}.calc-out-try{color:var(--ink-2);margin-top:6px;font-size:.875rem}.calc-out-try b{font-family:var(--f-mono);font-weight:600}.calc-out-empty{color:var(--muted);font-size:1.125rem}.calc-table{overflow:hidden}.calc-table-bar{border-bottom:1px solid var(--card-rule);background:linear-gradient(90deg,color-mix(in srgb,var(--gold-soft) 60%,transparent),transparent);font-family:var(--f-mono);color:var(--card-muted);flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:13px 18px;font-size:.75rem;display:flex}.calc-table-bar b{color:var(--ink)}.calc-scroll{overflow-x:auto}.calc-scroll:focus-visible{outline:2px solid var(--sky-ink);outline-offset:-2px}.calc-table table{border-collapse:collapse;width:100%;font-size:.9375rem}.calc-table th{text-align:left;white-space:nowrap;font-family:var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sky-ink);background:var(--sky-soft);border-bottom:1px solid var(--card-rule);padding:9px 18px;font-size:.625rem;font-weight:600}.calc-table td{border-bottom:1px solid var(--card-rule-soft);padding:11px 18px}.calc-table tr:last-child td{border-bottom:0}.calc-table .num{font-family:var(--f-mono);letter-spacing:-.01em}.calc-table .r{text-align:right}.calc-table tr[data-current] td{background:color-mix(in srgb,var(--gold-soft) 45%,transparent)}.calc-table tr[data-current] td:first-child{box-shadow:inset 3px 0 0 var(--gold)}.calc-notes{gap:26px;display:grid}@media (min-width:860px){.calc-notes{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:34px}}.calc-notes h2{font-family:var(--f-display);letter-spacing:-.01em;margin-bottom:8px;font-size:1.375rem;font-weight:600}.calc-notes p{color:var(--ink-2);font-size:.9375rem}.calc-cta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px 32px;padding:clamp(22px,3vw,34px);display:flex}.calc-cta h2{font-family:var(--f-display);letter-spacing:-.012em;margin:8px 0 10px;font-size:clamp(1.5rem,2.4vw,2rem);font-weight:500}.calc-cta p:last-of-type{color:var(--ink-2);max-width:56ch}.calc-cta .btn{flex:none}@media (prefers-reduced-motion:reduce){.calc-chip span{transition:none}.calc-chip:hover span{transform:none}}.faq{margin:0;padding:0;list-style:none;display:grid}.faq>li{border-bottom:1px solid var(--rule-soft);scroll-margin-top:92px}.faq>li:first-child{border-top:1px solid var(--rule-soft)}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:flex-start;gap:20px;padding:20px 0;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:focus-visible{outline:2px solid var(--sky-ink);outline-offset:3px}.faq-item h2{font-family:var(--f-display);letter-spacing:-.008em;margin:0;font-size:clamp(1.125rem,1.6vw,1.375rem);font-weight:600;line-height:1.25;transition:color .2s}.faq-item summary:hover h2{color:var(--gold-ink)}.faq-mark{flex:none;width:22px;height:22px;margin-top:4px;position:relative}.faq-mark:before,.faq-mark:after{content:"";background:var(--gold);width:13px;height:1.5px;transition:transform .3s var(--ease-out,ease),opacity .3s ease;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.faq-mark:after{transform:translate(-50%,-50%)rotate(90deg)}.faq-item[open] .faq-mark:after{opacity:0;transform:translate(-50%,-50%)rotate(0)}.faq-body{gap:12px;max-width:70ch;padding:0 0 22px;display:grid}.faq-body p{color:var(--ink-2)}[data-js=on] .faq-item[open] .faq-body{animation:faq-open .4s var(--ease-out,ease) both}@keyframes faq-open{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.faq-foot{border-top:1px solid var(--rule);margin-top:44px;padding-top:28px}.faq-foot h2{font-family:var(--f-display);letter-spacing:-.01em;margin-bottom:10px;font-size:1.5rem;font-weight:600}.faq-foot p{color:var(--ink-2);max-width:62ch;margin-bottom:18px}.faq-foot a:not(.btn){color:var(--ink);font-weight:600}@media print{.faq-body{display:grid!important}.faq-item summary{padding:10px 0}.faq-mark{display:none}}@media (prefers-reduced-motion:reduce){.faq-mark:before,.faq-mark:after{transition:none}[data-js=on] .faq-item[open] .faq-body{animation:none}}.demo-faq{color:var(--muted);font-size:.9375rem}.demo-faq a{color:var(--ink);text-underline-offset:3px;font-weight:600}.demo-faq a:hover{color:var(--gold-ink)}