.st-tool-hero{border-bottom:1px solid var(--line);background:linear-gradient(var(--surface-2) 1px, transparent 1px) 0 0 / 100% 36px, linear-gradient(90deg, var(--surface-2) 1px, transparent 1px) 0 0 / 36px 100%, var(--background);padding-block:clamp(42px,7vw,92px) clamp(34px,5vw,64px)}.st-tool-hero nav{align-items:center;gap:8px;margin-bottom:clamp(28px,5vw,60px);display:flex}.st-tool-hero nav a{min-height:44px;color:inherit;align-items:center;text-decoration:none;display:inline-flex}.st-tool-hero nav a:hover,.st-tool-hero nav a:focus-visible{color:var(--red)}.st-tool-hero h1{text-wrap:balance;max-width:13ch;margin:18px 0 22px;font-size:clamp(44px,7.7vw,112px)}.st-tool-index-hero{border-bottom:1px solid var(--line);padding-block:clamp(58px,9vw,124px)}.st-tool-index-hero h1{text-wrap:balance;max-width:12ch;margin:0;font-size:clamp(44px,7.4vw,106px)}.st-tool-index-grid{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.st-tool-index-card{border:1px solid var(--line);border-radius:var(--radius);min-height:330px;color:var(--ink);gap:18px;padding:clamp(24px,4vw,46px);text-decoration:none;transition:border-color .18s,transform .18s;display:grid}.st-tool-index-card:hover{border-color:var(--ink);transform:translateY(-2px)}.st-tool-index-card:focus-visible{outline:2px solid var(--red);outline-offset:3px}.st-tool-index-card h2{max-width:12ch;font-family:var(--font-display-stack);text-transform:uppercase;text-wrap:balance;margin:auto 0 0;font-size:clamp(32px,4.4vw,60px);line-height:.95}.st-tool-index-card p{max-width:48ch;color:var(--muted);margin:0;line-height:1.6}.st-tool-sourcebar{border-top:1px solid var(--line);max-width:760px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:clamp(26px,4vw,44px);padding-top:15px;font-size:.72rem;display:flex}.st-tool-sourcebar span{align-items:center;gap:9px;display:inline-flex}.st-tool-sourcebar i{background:#1d7a48;border-radius:50%;width:8px;height:8px}.st-tool-calc-section{border-bottom:1px solid var(--line)}.st-calc{border:1px solid var(--ink);border-radius:var(--radius);background:var(--background);grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);display:grid;overflow:hidden}.st-calc-controls{min-width:0;padding:clamp(22px,4vw,46px)}.st-calc-panel-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:start;gap:20px;padding-bottom:22px;display:flex}.st-calc-panel-head h2{font-family:var(--font-display-stack);text-transform:uppercase;margin:0;font-size:clamp(28px,3vw,42px);line-height:1}.st-calc-reset{border:1px solid var(--line);border-radius:var(--radius-sm);min-height:44px;color:var(--ink);font:700 .68rem/1 var(--font-mono), ui-monospace, monospace;text-transform:uppercase;letter-spacing:.08em;cursor:pointer;touch-action:manipulation;background:0 0;padding-inline:14px;transition:border-color .18s,color .18s,background .18s}.st-calc-reset:hover,.st-calc-reset:focus-visible{border-color:var(--ink);background:var(--surface-2)}.st-calc-reset:focus-visible{outline:2px solid var(--red);outline-offset:2px}.st-calc-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px;padding-block:26px;display:grid}.st-calc-field{gap:8px;min-width:0;display:grid}.st-calc-label{font-size:.78rem;font-weight:800}.st-calc-input-wrap{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:54px;transition:border-color .18s,background .18s;display:grid}.st-calc-input-wrap:focus-within{border-color:var(--ink);background:var(--background)}.st-calc-input-wrap input{width:100%;min-width:0;min-height:52px;color:var(--ink);font:600 1.18rem/1 var(--font-mono), ui-monospace, monospace;font-variant-numeric:tabular-nums;background:0 0;border:0;padding:0 10px 0 15px}.st-calc-input-wrap input:focus{outline:0}.st-calc-input-wrap:has(input:focus-visible){outline:2px solid var(--red);outline-offset:2px}.st-calc-input-wrap input[aria-invalid=true]{color:var(--red)}.st-calc-input-wrap span{color:var(--muted);font:600 .72rem/1 var(--font-mono), ui-monospace, monospace;padding-right:14px}.st-calc-field small{min-height:2.6em;color:var(--muted);font-size:.7rem;line-height:1.35}.st-calc-field:has(input[aria-invalid=true]) small{color:var(--red)}.st-calc-formula{border-top:1px solid var(--line);color:var(--muted);text-transform:uppercase;letter-spacing:.06em;grid-template-columns:1fr 1.2fr auto 1fr 1.2fr;align-items:center;gap:10px;padding-top:20px;font-size:.68rem;display:grid}.st-calc-formula b{color:var(--ink);font-weight:600}.st-calc-formula i{color:var(--red);font-size:1rem;font-style:normal}.st-calc-result{background:var(--ink);color:#fff;flex-direction:column;min-width:0;min-height:580px;padding:clamp(26px,4vw,48px);display:flex}.st-calc-result>.st-microlabel{color:#ffffff8c}.st-calc-primary{gap:4px;margin-top:clamp(40px,7vw,86px);display:grid}.st-calc-primary strong{overflow-wrap:anywhere;font-family:var(--font-display-stack);letter-spacing:-.035em;font-size:clamp(54px,7vw,98px);font-weight:600;line-height:.86}.st-calc-primary span{color:#ffffff9e;font:600 .72rem/1.3 var(--font-mono), ui-monospace, monospace;text-transform:uppercase;letter-spacing:.08em}.st-calc-result-lede{color:#ffffffb8;max-width:42ch;margin:22px 0;font-size:.9rem;line-height:1.6}.st-calc-stats{border-block:1px solid #ffffff26;grid-template-columns:1fr 1fr;margin:0 0 22px;display:grid}.st-calc-stats div{gap:6px;padding-block:15px;display:grid}.st-calc-stats div+div{border-left:1px solid #ffffff26;padding-left:16px}.st-calc-stats dt{color:#ffffff85;text-transform:uppercase;letter-spacing:.06em;font-size:.66rem}.st-calc-stats dd{font:600 1rem/1.2 var(--font-mono), ui-monospace, monospace;margin:0}.st-calc-warning{border-left:3px solid var(--red-bright);color:#ffffffa8;gap:5px;margin-bottom:22px;padding-left:14px;font-size:.74rem;line-height:1.45;display:grid}.st-calc-warning strong{color:#fff}.st-calc-result .st-btn{border-color:var(--red-bright);background:var(--red-bright);width:100%;min-height:50px;margin-top:auto}.st-calc-empty{text-align:center;flex:1;align-content:center;place-items:center;display:grid}.st-calc-empty-mark{background:var(--red);color:#fff;clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);width:60px;height:66px;font:500 1.4rem/1 var(--font-mono), ui-monospace, monospace;place-items:center;margin-bottom:24px;display:grid}.st-calc-empty strong{font-family:var(--font-display-stack);text-transform:uppercase;font-size:clamp(27px,3vw,40px)}.st-calc-empty p{color:#ffffff94;max-width:38ch;margin:12px 0 0;font-size:.83rem;line-height:1.6}.st-tool-explain{background:var(--surface-2)}.st-tool-explain-grid,.st-tool-sources-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(34px,7vw,110px);display:grid}.st-tool-explain h2,.st-tool-sources h2,.st-tool-cta h2{text-wrap:balance;margin:15px 0 0;font-size:clamp(34px,4.6vw,66px)}.st-tool-copy{color:var(--muted);gap:20px;font-size:1rem;line-height:1.75;display:grid}.st-tool-copy p{margin:0}.st-tool-facts{border-block:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(40px,7vw,88px);display:grid}.st-tool-facts article{min-width:0;padding:24px clamp(14px,2.6vw,34px) 28px 0}.st-tool-facts article+article{border-left:1px solid var(--line);padding-left:clamp(14px,2.6vw,34px)}.st-tool-facts h3{font-family:var(--font-display-stack);text-transform:uppercase;margin:20px 0 10px;font-size:clamp(22px,2.2vw,31px);line-height:1}.st-tool-facts p{color:var(--muted);margin:0;font-size:.82rem;line-height:1.6}.st-tool-sources{border-block:1px solid var(--line)}.st-tool-sources ol{counter-reset:source;border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.st-tool-sources li{border-bottom:1px solid var(--line);counter-increment:source;gap:8px;padding:22px 0 22px 48px;display:grid;position:relative}.st-tool-sources li:before{content:"0" counter(source);color:var(--red);font:600 .66rem/1 var(--font-mono), ui-monospace, monospace;position:absolute;top:25px;left:0}.st-tool-sources a{width:fit-content;min-height:44px;color:var(--ink);text-underline-offset:4px;align-items:center;font-weight:800;display:inline-flex}.st-tool-sources a:hover,.st-tool-sources a:focus-visible{color:var(--red)}.st-tool-sources li span{color:var(--muted);font-size:.82rem;line-height:1.55}.st-tool-cta-card{border:1px solid var(--ink);border-radius:var(--radius);grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;padding:clamp(28px,5vw,64px);display:grid}.st-tool-cta-card p:last-child{max-width:62ch;color:var(--muted);margin:18px 0 0;line-height:1.65}.st-tool-actions{gap:10px;min-width:240px;display:grid}.st-tool-actions .st-btn{min-height:48px}@media (max-width:900px){.st-calc,.st-tool-explain-grid,.st-tool-sources-grid,.st-tool-cta-card{grid-template-columns:1fr}.st-calc-result{min-height:520px}.st-tool-facts,.st-tool-index-grid{grid-template-columns:1fr}.st-tool-facts article,.st-tool-facts article+article{border-left:0;border-bottom:1px solid var(--line);padding:22px 0}.st-tool-facts article:last-child{border-bottom:0}.st-tool-actions{min-width:0}}@media (max-width:560px){.st-tool-hero h1{overflow-wrap:normal;max-width:none;font-size:clamp(31px,9.4vw,44px)}.st-calc-fields,.st-calc-stats{grid-template-columns:1fr}.st-calc-stats div+div{border-top:1px solid #ffffff26;border-left:0;padding-left:0}.st-calc-formula{grid-template-columns:1fr 1.35fr}.st-calc-formula i{display:none}.st-calc-primary strong{font-size:clamp(48px,18vw,72px)}}@media (prefers-reduced-motion:reduce){.st-calc-reset,.st-calc-input-wrap{transition:none}}