.tool-nav{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;color:var(--text)}
.tool-label{color:var(--mute);font-size:10px;letter-spacing:.13em}
.tool-label span{padding:0 10px;color:var(--gold)}
.tool-main{padding:0 24px}
.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--mute);padding-top:26px}
.breadcrumbs a{color:var(--mute);text-decoration:underline}
.intro{padding:40px 0 34px;max-width:840px}
.intro h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.12;letter-spacing:-.045em;margin:12px 0 18px}
.intro h1 span{display:block;color:var(--gold)}
.intro-copy{color:var(--text-2);max-width:610px;font-size:1.05rem}
.calculator-layout{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,1fr);gap:20px;align-items:start}
.inputs-panel{padding:28px;border-radius:16px;background:var(--doc-bg);color:var(--doc-ink)}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-heading h2{font-size:1.3rem}.panel-heading span{font-size:11px;color:var(--doc-mute)}
.input-intro{color:var(--doc-mute);font-size:13px;margin:8px 0 24px;max-width:420px}
fieldset{border:0;min-width:0}.input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{min-width:0}.field label{display:block;font-size:12px;font-weight:600;line-height:1.5;min-height:36px}
.field label span{color:var(--doc-mute);font-weight:400;display:block;font-size:11px}
.field input{display:block;width:100%;min-height:48px;margin:8px 0 6px;border:1px solid #9ca6b5;border-radius:8px;padding:10px 12px;font:600 18px var(--font-body);color:var(--doc-ink);background:#fff}
.field small{display:block;font-size:11px;line-height:1.55;color:var(--doc-mute)}
.field-weeks{grid-column:1/-1}.field-weeks input{max-width:170px}.field-weeks label{min-height:0}
.field input[aria-invalid=true]{border:2px solid #a51221}
.input-error{color:#a51221;font-size:13px;margin-top:18px}.input-error[hidden]{display:none}
.reset-button{border:0;background:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px;color:var(--doc-mute);font:inherit;font-size:12px;min-height:44px;margin-top:12px;padding:4px 0}
.results-panel{padding:28px;border:1px solid rgba(245,197,24,.25);border-radius:16px;background:var(--deep);position:sticky;top:20px}
.results-panel h2{font-size:1.2rem;margin-top:8px}.hero-result{padding:24px 0 6px}.hero-result output{display:block;font:600 clamp(3.7rem,7vw,5rem)/1.05 var(--font-display);color:var(--gold);letter-spacing:-.06em}.hero-result span{font-size:13px;color:var(--text-2)}
#result-note{font-size:12px;color:var(--mute);margin:12px 0 22px;min-height:36px}
.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 16px;border-top:1px solid var(--line);padding-top:22px}.results-grid dt{font-size:11px;color:var(--mute)}.results-grid dd{font:600 clamp(1.15rem,2vw,1.6rem) var(--font-display);margin-top:4px;overflow-wrap:anywhere}.results-grid .payback{grid-column:1/-1}
.result-caveat{font-size:11px;color:var(--mute);border-top:1px solid var(--line);padding-top:18px;margin-top:22px;line-height:1.7}.result-caveat strong{color:var(--text-2)}
.content-section{padding:56px 0;border-bottom:1px solid var(--line)}.content-section h2,.next-step h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;letter-spacing:-.025em;margin:10px 0 18px}.content-section p{color:var(--text-2);max-width:740px;margin-top:14px;font-size:14px}
.method{display:grid;grid-template-columns:1fr 1fr;gap:40px}.formulas{list-style:none;counter-reset:step}.formulas li{counter-increment:step;position:relative;padding:0 0 20px 36px}.formulas li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:2px;color:var(--gold);font-size:11px}.formulas strong{display:block;font-size:13px}.formulas span{display:block;font-size:12px;color:var(--mute);margin-top:4px}
.next-step{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--gold-tint);border:1px solid rgba(245,197,24,.2);border-radius:12px;padding:28px;margin-top:48px}.next-step p{font-size:13px;color:var(--text-2);max-width:540px}.next-step .btn-y{flex-shrink:0;font-size:13px;text-align:center;white-space:normal}.next-step h2{margin-bottom:10px}
.faq{max-width:820px}.faq details{border-top:1px solid var(--line);padding:0}.faq summary{padding:18px 0;cursor:pointer;font-size:14px;font-weight:600;min-height:44px}.faq details p{margin:0 0 20px;font-size:13px}
.related{display:flex;flex-wrap:wrap;gap:12px 24px;padding:32px 0}.related h2{width:100%;font-size:14px}.related a{font-size:12px;text-decoration:underline;text-underline-offset:3px}
.tool-footer{display:flex;gap:24px;flex-wrap:wrap;padding:24px;border-top:1px solid var(--line);font-size:11px;color:var(--mute)}.tool-footer a{color:var(--mute);text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:800px){.calculator-layout,.method{grid-template-columns:1fr}.results-panel{position:static}.next-step{display:block}.next-step .btn-y{margin-top:20px}.method{gap:24px}}
@media(max-width:480px){.tool-nav{padding:18px 16px}.tool-label{display:none}.tool-main{padding:0 16px}.intro{padding-top:28px}.inputs-panel,.results-panel{padding:20px}.input-grid{gap:18px 12px}.field label{min-height:54px}.field input{padding:10px;font-size:17px}.field-weeks label{min-height:0}.next-step{padding:20px}.tool-footer{padding:20px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* Shared dark form language; growth and time stay distinct. */
.inputs-panel{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:var(--r-card)}
.panel-heading span,.input-intro,.field label span,.field small,.reset-button{color:var(--text-2)}
.field label{font-size:14px}.field label span,.field small{font-size:12px}
.field input{background:rgba(255,255,255,.06);color:var(--text);border-color:rgba(255,255,255,.25);border-radius:var(--r-btn);caret-color:var(--gold)}
.field input:focus{border-color:var(--gold);background:var(--gold-tint)}
.input-error{color:#ffb4b4}.field input[aria-invalid=true]{border-color:#ffb4b4}
.advanced{margin-top:22px;border-top:1px solid var(--line)}
.advanced summary{cursor:pointer;min-height:48px;padding:14px 0;color:var(--text-2);font-size:14px;font-weight:600}
.advanced .input-grid{padding-top:12px}
.headline-results{margin-top:22px}.headline-results>div{padding:18px 0;border-bottom:1px solid var(--line)}
.headline-results dt{color:var(--text-2);font-size:14px}
.headline-results dd{font:600 clamp(2rem,5vw,3rem)/1.2 var(--font-display);color:var(--gold);margin-top:6px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.headline-results>div:last-child dd{font-size:2rem;color:var(--text)}
.result-caveat,.results-grid dt{font-size:12px}
.intro h1,.hero-result output{letter-spacing:-.035em}
@media(max-width:480px){.input-grid{grid-template-columns:1fr}.field label{min-height:0}}