:root{color-scheme:light;--ink:#222b23;--muted:#46564a;--surface:#fffdf8;--line:#d9d5c9;--green:#2c4931;--paper:#f4f1ea}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,sans-serif}
a{color:var(--green);text-underline-offset:.2em}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #755413;outline-offset:3px}
.site-header,.site-footer{background:var(--surface)}
.site-header{border-bottom:1px solid var(--line)}
.site-footer{border-top:1px solid var(--line)}
.site-bar{max-width:1050px;margin:auto;padding:15px 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 24px}
.brand{font-weight:760;color:var(--ink);text-decoration:none}
nav{display:flex;flex-wrap:wrap;gap:8px 18px}
nav a{padding:5px 0}
nav a[aria-current=page]{font-weight:750}
.skip{position:absolute;left:12px;top:12px;padding:8px;background:white;transform:translateY(-150%)}
.skip:focus{transform:none}
main{max-width:1050px;margin:auto;padding:clamp(28px,6vw,66px) 24px}
main.narrow{max-width:820px}
h1,h2,h3{line-height:1.15}
h1{font:clamp(2.5rem,7vw,4.8rem)/1.05 Georgia,serif;letter-spacing:-.035em;margin:.3em 0}
.narrow h1{font-size:clamp(2.3rem,6vw,3.8rem)}
main:has(.tool-intro){padding-top:clamp(20px,4vw,42px)}
.tool-intro h1{font-size:clamp(2.15rem,6vw,3.7rem)}
.tool-intro p{margin:.55em 0;color:var(--muted)}
#convert{scroll-margin-top:12px}
h2{margin:1.25em 0 .55em}
h3{margin:0 0 .4em}
p{max-width:68ch}
.lead{font-size:clamp(1.05rem,2.6vw,1.3rem);color:var(--muted)}
.eyebrow{font-size:.8rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin:24px 0}
.card,.studio section,details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(14px,3vw,24px)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:14px}
.cards p{margin:.5em 0 0}
.studio section,details{margin:16px 0}
.studio section h2{margin-top:0}
summary{cursor:pointer;font-weight:700}
.note,.site-footer{color:var(--muted);font-size:.94rem}
.button,button,a.download{display:inline-block;background:var(--green);color:white;border:0;border-radius:8px;padding:10px 16px;font:inherit;text-decoration:none;cursor:pointer}
button:disabled{opacity:.55;cursor:wait}
textarea,audio{width:100%;max-width:100%}
textarea{min-height:145px;padding:14px;border:1px solid #a5aa9c;border-radius:8px;font:inherit}
input{font:inherit;max-width:100%}
li{margin:.4em 0}
[hidden]{display:none!important}