:root{--loam:#2E2219;--moss:#46612F;--moss-d:#34491F;--sage:#E8EDE0;--line:#B9C2A8;--paper:#FBFCF8;--marigold:#D99A1E;--muted:#5E5446}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sage);color:var(--loam);font:1.0625rem/1.65 "Atkinson Hyperlegible",system-ui,sans-serif}
h1,h2,h3,th,.wordmark,.value,.tool-list strong{font-family:"Bricolage Grotesque",system-ui,sans-serif}
h1{font-size:clamp(2.1rem,6vw,3.3rem);line-height:1.05;letter-spacing:-.02em;margin:.3em 0 .35em;font-weight:800}
h2{font-size:1.5rem;line-height:1.2;margin:2.2em 0 .5em;font-weight:700}
h3{font-size:1.12rem;line-height:1.3;margin:1.6em 0 .3em;font-weight:700}
p{max-width:40em}
a{color:var(--moss-d);text-underline-offset:3px}
a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--marigold);outline-offset:2px}
.site-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem 1rem;max-width:68rem;margin:0 auto;padding:1.1rem 1.25rem}
.wordmark{font-weight:800;font-size:1.3rem;text-decoration:none;color:var(--loam);letter-spacing:-.01em}
.site-header nav{display:flex;gap:1.1rem}.site-header nav a{text-decoration:none;font-weight:700}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem 4rem}
.lede{font-size:1.2rem;color:var(--muted)}
.calc{background:var(--paper);border:2px solid var(--loam);border-radius:14px;margin:1.8rem 0;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.inputs{padding:1.4rem;display:grid;gap:.9rem;align-content:start}
.field label{display:block;font-weight:700;font-size:.95rem;margin-bottom:.25rem}
.field input,.field select{width:100%;font:inherit;padding:.6rem .7rem;border:1.5px solid #8C806E;border-radius:8px;background:#fff;color:var(--loam)}
.results{background:var(--moss);color:#F4F7EE;padding:1.4rem;display:flex;flex-direction:column;justify-content:center}
.value{display:block;font-size:clamp(3rem,10vw,4.4rem);font-weight:800;line-height:1;letter-spacing:-.03em}
.unit{display:block;font-weight:700;margin-top:.35rem;padding-bottom:.9rem;border-bottom:4px solid var(--marigold)}
.more{margin:1rem 0 0;display:grid;gap:.45rem}
.more div{display:flex;justify-content:space-between;gap:1rem}
.more dt{opacity:.88}.more dd{margin:0;font-weight:700;text-align:right}
.note{font-size:.88rem;opacity:.88;margin:1rem 0 0}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.98rem}
th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{border-bottom:2px solid var(--loam)}
.tool-list{list-style:none;padding:0;margin:1.5rem 0;border-top:2px solid var(--loam)}
.tool-list li{border-bottom:1px solid var(--line)}
.tool-list a{display:block;padding:1rem .2rem;text-decoration:none;color:var(--loam)}
.tool-list a:hover strong{text-decoration:underline}
.tool-list strong{display:block;font-size:1.3rem}
.tool-list span{color:var(--muted)}
.site-footer{border-top:2px solid var(--loam);max-width:68rem;margin:0 auto;padding:1.5rem 1.25rem 2.5rem;display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;font-size:.95rem}
.site-footer p{margin:0;flex-basis:100%;color:var(--muted)}
@media (max-width:640px){.calc{grid-template-columns:1fr}}