/* CSS Tools: same calm, backstage-black look as creativesoundsolutions.nl.
   One stylesheet for the root page and every tool page. */
@font-face{font-family:"Hemi Head";src:url(hemi-head-bd-it.ttf) format("truetype");font-weight:700 900;font-style:italic;font-display:swap}
:root{
  --bg:#0b0b0c;
  --panel:#141416;
  --panel-2:#1b1b1e;
  --line:#2a2a2e;
  --fg:#f4f4f5;
  --text:#c9c9ce;
  --muted:#8b8b93;
  --ok:#7fd49a;
  --warn:#f0c46a;
  --bad:#f08a8a;
  --display:"Hemi Head","Arial Black",Impact,sans-serif;
  --body:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Consolas,monospace;
  --gutter:max(20px,env(safe-area-inset-left,0px));
  --gutter-r:max(20px,env(safe-area-inset-right,0px));
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased}
main{flex:1}
a{color:inherit}
:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
h1,h2{font-family:var(--display);font-style:italic;font-weight:700;color:var(--fg);margin:0;line-height:1.02;text-wrap:balance}
h3{font:600 18px/1.3 var(--body);color:var(--fg);margin:0}
.wrap{max-width:1180px;margin-inline:auto;padding-left:var(--gutter);padding-right:var(--gutter-r)}
.eyebrow{font:500 12px/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.tag{display:inline-block;padding:5px 9px;border:1px solid var(--line);border-radius:3px;font:500 12px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--text)}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(11,11,12,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:16px;min-height:64px}
.nav .logo{display:flex;align-items:center;gap:14px;text-decoration:none}
.nav .logo img{height:34px;width:auto;display:block}
.nav .logo span{padding-left:14px;border-left:1px solid var(--line);font:500 13px/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav .right{margin-left:auto;display:flex;gap:6px;align-items:center}
.nav .right a{padding:8px 12px;text-decoration:none;font-size:15px;color:var(--text);border-radius:4px}
.nav .right a:hover{color:var(--fg);background:var(--panel)}
@media (max-width:520px){.nav .logo span{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:1px solid var(--fg);border-radius:4px;background:var(--fg);color:#0b0b0c;text-decoration:none;font:600 15px/1 var(--body);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:transparent;color:var(--fg)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--fg)}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* page head (root + tool pages) */
.head{padding-block:56px 40px}
.head h1{font-size:clamp(38px,5.2vw,64px);margin-top:14px}
.head p{max-width:56ch;margin:18px 0 0;font-size:18px}
.crumb{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--muted);text-decoration:none}
.crumb:hover{color:var(--fg)}
@media (max-width:700px){.head{padding-block:32px 28px}}

/* root: one big button per tool */
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;padding-bottom:80px}
.tool{display:flex;flex-direction:column;gap:12px;min-height:190px;padding:24px 24px 26px;border:1px solid var(--line);border-radius:6px;text-decoration:none;min-width:0;transition:border-color .2s,background .2s}
.tool:hover{border-color:var(--fg);background:var(--panel)}
.tool .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.tool .arrow{font-size:20px;line-height:1;color:var(--muted);transition:color .2s,transform .2s}
.tool:hover .arrow{color:var(--fg);transform:translateX(3px)}
.tool h2{font-size:clamp(26px,2.6vw,32px);margin-top:auto}
.tool p{margin:0;font-size:15px;color:var(--muted)}
.tool.soon{border-style:dashed;pointer-events:none}
.tool.soon .arrow{display:none}
.tool.soon .tag::after{content:" · soon"}
@media (max-width:360px){.tools{grid-template-columns:1fr}}

/* tool page body */
.tool-body{padding-bottom:80px;display:grid;gap:16px}
.panel{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:24px}
.panel > h3{margin-bottom:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:760px){.grid-2{grid-template-columns:1fr}.panel{padding:18px}}

/* form controls */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;min-width:0}
.field label{font:500 13px/1.2 var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field .hint{font-size:13px;color:var(--muted)}
input,select,textarea{width:100%;font:400 16px/1.4 var(--body);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:11px 12px;min-width:0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--fg)}
textarea{min-height:120px;resize:vertical}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* results */
.result{display:flex;flex-direction:column;gap:6px}
.result .v{font:600 clamp(28px,4vw,44px)/1.1 var(--body);color:var(--fg);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.result .u{font-size:15px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--line)}
th{font:500 12px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
code,.mono{font-family:var(--mono);font-size:.92em}
.note{font-size:14px;color:var(--muted)}
.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}

footer{border-top:1px solid var(--line);padding-block:24px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}
footer a{color:var(--muted)}footer a:hover{color:var(--fg)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}