:root{color-scheme:dark;--color-bg:#11100d;--color-surface:#1b1914;--color-surface-raised:#242119;--color-text:#f4f0e6;--color-muted:#cec7b8;--color-subtle:#beb7a7;--color-accent:#d8ad54;--color-accent-strong:#f0ca76;--color-on-accent:#17130b;--color-border:#3c372c;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:5rem;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:clamp(1.1rem, 2vw, 1.25rem);--font-size-h1:clamp(2.25rem, 8vw, 4.75rem);--font-size-h2:clamp(1.6rem, 4vw, 2.5rem);--line-height:1.65;--line-height-heading:1.08;--border-width:1px;--radius-sm:.4rem;--radius-md:.8rem;--radius-lg:1.25rem;--shadow-raised:0 1.5rem 4rem #00000038;--content-width:72rem;--content-narrow:48rem;--breakpoint-md:48rem;--breakpoint-lg:64rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--color-bg);min-height:100dvh;color:var(--color-text);font-family:var(--font-sans);line-height:var(--line-height);flex-direction:column;margin:0;display:flex}main{flex:1 0 auto}a{color:var(--color-accent-strong);text-underline-offset:.2em}a:hover{color:var(--color-text)}:focus-visible{outline:3px solid var(--color-accent-strong);outline-offset:3px}h1,h2,h3{margin:0 0 var(--space-4);line-height:var(--line-height-heading);letter-spacing:-.025em}h1{font-size:var(--font-size-h1)}h2{margin-top:var(--space-7);font-size:var(--font-size-h2)}h3{margin-top:var(--space-6);font-size:var(--font-size-lg)}p{margin:0 0 var(--space-4)}img{max-width:100%;height:auto}.container{width:min(calc(100% - 2rem), var(--content-width));margin-inline:auto}.narrow{max-width:var(--content-narrow)}.page-section{padding-block:var(--space-7) var(--space-8)}.skip-link{z-index:100;top:var(--space-3);left:var(--space-3);padding:var(--space-2) var(--space-4);background:var(--color-accent);color:var(--color-on-accent);position:fixed;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:var(--border-width) solid var(--color-border)}.header-inner,.footer-inner{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:4.5rem;display:flex}.brand{color:var(--color-text);font-size:1.1875rem;font-weight:800;line-height:1.35;text-decoration:none}.nav-list{gap:var(--space-4);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.nav-list a{min-height:2.75rem;color:var(--color-muted);align-items:center;display:inline-flex}.site-header .nav-list a{padding-block:var(--space-2)}.site-footer .nav-list a,.footer-link{min-height:2.75rem;padding-block:var(--space-2)}.footer-link{color:var(--color-muted);font:inherit;text-underline-offset:.2em;cursor:pointer;background:0 0;border:0;align-items:center;text-decoration:underline;display:inline-flex}.site-footer{border-top:var(--border-width) solid var(--color-border);color:var(--color-subtle);font-size:var(--font-size-sm)}.site-footer p{margin:0}.hero{padding-block:var(--space-8)}.hero h1{max-width:14ch}.lede{max-width:62ch;color:var(--color-muted);font-size:var(--font-size-lg)}.eyebrow{color:var(--color-accent-strong);font-size:var(--font-size-sm);letter-spacing:.12em;text-transform:uppercase;font-weight:700}.button{min-height:2.9rem;padding:var(--space-2) var(--space-5);border:var(--border-width) solid var(--color-accent);border-radius:var(--radius-sm);background:var(--color-accent);color:var(--color-on-accent);font:inherit;cursor:pointer;justify-content:center;align-items:center;font-weight:750;text-decoration:none;display:inline-flex}.button:hover{background:var(--color-accent-strong);color:var(--color-on-accent)}.button-secondary{color:var(--color-text);background:0 0}.app-store-badge{min-width:9rem;min-height:4.5rem;padding:var(--space-3);border-radius:var(--radius-sm);justify-content:center;align-items:center;display:inline-flex}.app-store-badge img{width:auto;height:2.5rem;display:block}.grid{gap:var(--space-5);display:grid}.card,.panel{padding:var(--space-5);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.card h2{margin-top:0;font-size:1.35rem}.page-header,.article-header{padding-block:var(--space-5) var(--space-6)}.breadcrumbs ol{gap:var(--space-2);color:var(--color-muted);font-size:var(--font-size-sm);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{margin-left:var(--space-2);content:"/"}.breadcrumbs a{align-items:center;min-height:2.75rem;display:inline-flex}.breadcrumbs li{align-items:center;display:inline-flex}.metadata{color:var(--color-muted);font-size:var(--font-size-sm)}.prose{font-size:1.05rem}.prose :where(p,li){max-width:70ch}.prose code{border-radius:var(--radius-sm);background:var(--color-surface-raised);color:var(--color-accent-strong);padding:.12em .35em}.prose blockquote{padding-left:var(--space-4);border-left:3px solid var(--color-accent);color:var(--color-muted);margin-inline:0}.prose details{padding-block:var(--space-3);border-bottom:var(--border-width) solid var(--color-border)}.prose summary{cursor:pointer;font-weight:700}.article-cta{margin-top:var(--space-7)}.article-cta h2{margin-top:0}.home-hero{gap:var(--space-7);padding-block:var(--space-7);align-items:center;display:grid;overflow:hidden}.home-hero-copy{min-width:0}.home-hero h1{max-width:13ch}.home-actions{gap:var(--space-3);margin-top:var(--space-6);flex-wrap:wrap;align-items:center;display:flex}.home-actions .button{flex:13rem}.home-hero-note{margin:var(--space-4) 0 0;color:var(--color-muted);font-size:.9375rem}.home-hero-visual{width:min(100%,22rem);margin:0 auto}.home-hero-visual img,.app-screenshot-grid img{border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);width:100%;height:auto;box-shadow:var(--shadow-raised);display:block}.home-section{padding-block:var(--space-8)}.home-section-compact{padding-block:calc(var(--space-8) - var(--space-3))}.home-section-bordered{border-block:var(--border-width) solid var(--color-border);background:var(--color-surface)}.home-section-header{max-width:42rem;margin-bottom:var(--space-7)}.home-section-header h2,.home-final-cta h2{margin-top:0}.home-section-header>p:last-child{color:var(--color-muted);font-size:var(--font-size-lg)}.home-section-header-wide{max-width:50rem}.product-choices{gap:var(--space-5);display:grid}.product-choice{min-width:0;padding:var(--space-6);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg);flex-direction:column;align-items:flex-start;display:flex}.product-choice-app{background:var(--color-surface-raised)}.product-choice-label,.example-label{margin-bottom:var(--space-2);color:var(--color-accent-strong);font-size:var(--font-size-sm);letter-spacing:.08em;text-transform:uppercase;font-weight:700}.product-choice h3{margin-top:0;font-size:clamp(1.4rem,3vw,2rem)}.product-choice>p:not(.product-choice-label){color:var(--color-muted)}.product-choice .button,.product-choice .app-store-badge{margin-top:auto}.check-list{gap:var(--space-2);margin:var(--space-3) 0 var(--space-6);padding:0;list-style:none;display:grid}.check-list li{padding-left:var(--space-5);position:relative}.check-list li:before{color:var(--color-accent);content:"✓";position:absolute;left:0}.steps-layout{gap:var(--space-7);align-items:center;display:grid}.steps-list{gap:var(--space-5);margin:0 0 var(--space-6);padding:0;list-style:none;display:grid}.steps-list li{gap:var(--space-4);grid-template-columns:2.5rem minmax(0,1fr);display:grid}.steps-list li>span{border:var(--border-width) solid var(--color-border);width:2.5rem;height:2.5rem;color:var(--color-accent-strong);border-radius:50%;place-items:center;font-weight:750;display:grid}.steps-list h3{margin:0 0 var(--space-1)}.steps-list p{color:var(--color-muted);margin:0}.text-link{align-items:center;min-height:2.75rem;font-weight:750;display:inline-flex}.example-result{min-width:0;padding:var(--space-6);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface-raised);box-shadow:var(--shadow-raised)}.example-result h3{margin-top:0}.example-premium{color:var(--color-accent-strong);font-variant-numeric:tabular-nums;font-size:clamp(2.25rem,10vw,4rem);font-weight:800;line-height:var(--line-height-heading)}.example-premium span{color:var(--color-text);white-space:nowrap;font-size:.45em}.example-result dl{margin:var(--space-6) 0}.example-result dl div{justify-content:space-between;gap:var(--space-4);padding-top:var(--space-4);border-top:var(--border-width) solid var(--color-border);display:flex}.example-result dt{color:var(--color-muted)}.example-result dd{font-variant-numeric:tabular-nums;margin:0;font-weight:750}.example-note{color:var(--color-muted);margin-bottom:0;font-size:.9375rem}.app-feature-section{border-block:var(--border-width) solid var(--color-border);background:var(--color-surface)}.app-feature-copy{gap:var(--space-5);margin-bottom:var(--space-7);display:grid}.app-feature-copy article{padding-top:var(--space-4);border-top:var(--border-width) solid var(--color-border)}.app-feature-copy h3{margin:0 0 var(--space-2)}.app-feature-copy p{color:var(--color-muted);margin:0}.app-screenshot-grid{gap:var(--space-6);display:grid}.app-screenshot-grid figure{width:min(100%,22rem);margin:0 auto}.audience-layout{gap:var(--space-6);display:grid}.audience-layout .home-section-header{margin-bottom:0}.use-case-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.use-case-list li{gap:var(--space-3);padding:var(--space-4) 0;border-bottom:var(--border-width) solid var(--color-border);grid-template-columns:2rem minmax(0,1fr);display:grid}.use-case-list span{color:var(--color-accent-strong);font-size:var(--font-size-sm);font-weight:750}.home-final-cta{padding-block:var(--space-7);border-top:var(--border-width) solid var(--color-border);background:var(--color-surface-raised)}.home-final-cta-inner{gap:var(--space-5);align-items:center;display:grid}.home-final-cta h2{max-width:20ch;margin-bottom:0}.home-final-cta .home-actions{margin-top:0}.calculator-shell{gap:var(--space-5);display:grid}.calculator-card,.results-card{padding:var(--space-5);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-raised)}.calculator-card h2,.results-card h2{margin-top:0}.calculator-intro,.field-help,.result-note{color:var(--color-muted)}.calculator-form{gap:var(--space-5);margin-top:var(--space-6);display:grid}.field{min-width:0}.field label{margin-bottom:var(--space-2);font-weight:700;display:block}.field input{width:100%;min-width:0;min-height:3.25rem;padding:var(--space-3) var(--space-4);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);font:inherit;font-variant-numeric:tabular-nums}.field input:hover{border-color:var(--color-muted)}.field input[aria-invalid=true]{border-color:var(--color-accent-strong);box-shadow:inset 0 0 0 1px var(--color-accent-strong)}.currency-input{position:relative}.currency-input span{top:50%;left:var(--space-4);color:var(--color-muted);pointer-events:none;position:absolute;transform:translateY(-50%)}.currency-input input{padding-left:var(--space-6)}.field-help,.field-error{margin:var(--space-2) 0 0;font-size:var(--font-size-sm)}.field-error{font-weight:700}.field-error:before{content:"Error: "}.field-error[hidden],.results-card[hidden]{display:none}.calculator-actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.calculator-actions .button{flex:11rem}.results-card{background:var(--color-surface-raised)}.premium-result{color:var(--color-accent-strong);font-variant-numeric:tabular-nums;font-size:clamp(2.25rem,10vw,4rem);font-weight:800;line-height:var(--line-height-heading);margin-bottom:0}.premium-percent{color:var(--color-text);font-size:var(--font-size-lg);font-variant-numeric:tabular-nums}.supporting-results{gap:var(--space-4);margin:var(--space-6) 0;display:grid}.supporting-results div{padding-top:var(--space-4);border-top:var(--border-width) solid var(--color-border)}.supporting-results dt{color:var(--color-muted);font-size:var(--font-size-sm)}.supporting-results dd{margin:var(--space-1) 0 0;font-size:var(--font-size-lg);font-variant-numeric:tabular-nums;font-weight:700}.result-note{font-size:var(--font-size-sm);margin-bottom:0}.result-warning{margin-top:var(--space-4);padding:var(--space-3) var(--space-4);border-left:3px solid var(--color-accent);background:var(--color-surface);color:var(--color-muted);font-size:var(--font-size-sm);margin-bottom:0}.result-warning:before{content:"Check: ";font-weight:750}.page-actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.faq-list h2,.support-contact h2{margin-top:0}.faq-list details{padding-block:var(--space-4);border-bottom:var(--border-width) solid var(--color-border)}.faq-list summary{cursor:pointer;min-height:2.75rem;font-weight:750}.faq-list details p{color:var(--color-muted)}.support-contact{margin-top:var(--space-7)}.calculator-content{margin-top:var(--space-8)}.formula-panel{overflow:hidden}.formula-panel h2{margin-top:0}.formula-list{gap:var(--space-3);margin-top:var(--space-5);display:grid}.formula-list p{padding-top:var(--space-3);border-top:var(--border-width) solid var(--color-border);margin:0}.formula-list code{overflow-wrap:anywhere;background:0 0;padding:0;display:inline}.calculator-content ol{padding-left:var(--space-5)}.calculator-cta{margin-top:var(--space-7);border-left:3px solid var(--color-accent);background:var(--color-surface-raised)}.calculator-cta h2,.calculator-cta .button{margin-top:var(--space-2)}.consent{z-index:50;right:var(--space-4);bottom:var(--space-4);left:var(--space-4);gap:var(--space-4);max-width:46rem;padding:var(--space-5);border:var(--border-width) solid var(--color-accent);border-radius:var(--radius-md);background:var(--color-surface-raised);box-shadow:var(--shadow-raised);flex-direction:column;margin-inline:auto;display:flex;position:fixed}.consent[hidden]{display:none}.consent p{margin:var(--space-2) 0 0;color:var(--color-muted)}.consent-actions{gap:var(--space-3);display:flex}@media (width>=48rem){.container{width:min(calc(100% - 4rem), var(--content-width))}.grid{grid-template-columns:repeat(3,1fr)}.home-hero{min-height:min(44rem,100svh - 4.5rem);padding-block:var(--space-6);grid-template-columns:minmax(0,1.2fr) minmax(16rem,.8fr)}.home-hero-visual{width:min(100%,24rem)}.home-actions .button{flex:0 auto}.product-choices,.steps-layout,.audience-layout,.app-feature-copy{grid-template-columns:repeat(2,minmax(0,1fr))}.app-screenshot-grid{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr))}.home-final-cta-inner{grid-template-columns:minmax(0,1fr) auto}.calculator-form,.supporting-results{grid-template-columns:repeat(2,minmax(0,1fr))}.calculator-actions{grid-column:1/-1}.calculator-actions .button{flex:none}.consent{flex-direction:row;justify-content:space-between;align-items:center}}@media (width>=64rem){.home-section{padding-block:calc(var(--space-8) + var(--space-5))}.home-section-compact{padding-block:calc(var(--space-8) + var(--space-2))}.app-feature-copy{grid-template-columns:repeat(4,minmax(0,1fr))}.app-screenshot-grid{gap:var(--space-5)}}@media (width<=36rem){.header-inner,.footer-inner{padding-block:var(--space-4);flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}