/* ChromeCharm — D6 Blueprint variant, inverted: white paper, blueprint-blue line work. */
:root{
  --paper:#fdfdfa; --blue:#1e4fa3; --blue-soft:#dbe7fa; --blue-faint:#eef3fc;
  --ink:#12294f; --muted:#4a648f; --grid:rgba(30,79,163,.10);
  --accent:#1e4fa3; --note:#fffbe8;
  --font:"Avenir Next","Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --hand:"Segoe Print","Bradley Hand",cursive;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);font-size:17px;line-height:1.66;color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 26px}
a{color:var(--blue)}
code{font-family:var(--mono);font-size:.88em;background:var(--blue-faint);border:1px dashed var(--blue);padding:1px 6px;border-radius:4px}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:12px}
p.sub{color:var(--muted);max-width:70ch;margin-bottom:30px}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
/* header: drafting title block */
.site-header{background:var(--paper);border-bottom:3px double var(--blue);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand svg{width:34px;height:34px}
.brand-name{font-weight:800;font-size:21px}
.brand-name em{font-style:normal;color:var(--blue)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:600;padding:8px 13px;border:1.5px dashed transparent;border-radius:6px}
.nav a:hover{border-color:var(--blue);color:var(--blue)}
.nav a.cta{border:2px solid var(--blue);border-radius:6px;background:var(--blue);color:#fff;font-weight:800}
.nav a.cta:hover{background:#173f82;color:#fff}
/* hero drafting sheet */
.hero{padding:64px 0 10px;position:relative}
.sheet{background:var(--paper);border:2px solid var(--blue);border-radius:4px;padding:54px 54px 46px;position:relative;margin-bottom:44px;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:28px 28px;
  box-shadow:8px 8px 0 var(--blue-soft)}
.sheet::before,.sheet::after{content:"+";position:absolute;font-family:var(--mono);color:var(--blue);font-size:20px;font-weight:700}
.sheet::before{top:8px;left:14px}
.sheet::after{bottom:4px;right:14px}
.hero h1{font-size:clamp(38px,5.4vw,62px);max-width:16ch;margin-bottom:18px}
.hero h1 .circled{position:relative;white-space:nowrap}
.hero .lede{font-size:18.5px;color:var(--muted);max-width:62ch;margin-bottom:8px}
.sketch-arrow{position:absolute;color:var(--blue)}
.margin-note{position:absolute;background:var(--note);border:1.5px dashed var(--blue);border-radius:3px;padding:12px 15px;font-size:13.5px;color:var(--ink);max-width:210px;transform:rotate(-2deg);box-shadow:3px 3px 0 rgba(30,79,163,.15)}
.margin-note .tag{font-family:var(--hand);font-size:12px;color:var(--blue);display:block;margin-bottom:4px;font-weight:700}
.margin-note.note-right{top:64px;right:-186px;transform:rotate(2deg)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 0 64px}
.step{background:var(--paper);border:1.5px dashed var(--blue);border-radius:4px;padding:22px 20px;position:relative}
.step .fig{font-family:var(--hand);font-size:30px;color:var(--blue);display:block;margin-bottom:8px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}
/* tool: spec sheet */
.tool-shell{background:var(--paper);border:2px solid var(--blue);border-radius:4px;margin-bottom:64px;position:relative;box-shadow:8px 8px 0 var(--blue-soft)}
.tool-shell::before{content:"SPEC-01 // NAME GENERATOR";position:absolute;top:-14px;left:24px;background:var(--paper);padding:2px 12px;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--blue);border:1.5px solid var(--blue);border-radius:3px}
.tool-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 28px 6px;flex-wrap:wrap}
.tool-bar .t{font-weight:800;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--blue);border:2px dashed var(--blue);border-radius:999px;padding:6px 16px;background:var(--blue-faint)}
.chip svg{width:15px;height:15px}
.tool-body{padding:22px 28px 30px;display:grid;grid-template-columns:330px 1fr;gap:36px}
.opts{display:flex;flex-direction:column;gap:24px}
.opt{border:1.5px dashed var(--blue-soft);border-radius:4px;padding:16px;background:var(--paper)}
.opt-label{display:block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;color:var(--blue)}
.opt-hint{font-size:13.5px;color:var(--muted);margin-top:8px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{font-family:var(--font);font-size:13.5px;font-weight:700;padding:9px 15px;border:1.5px solid var(--blue);background:var(--paper);border-radius:4px;cursor:pointer;color:var(--blue)}
.seg button[aria-pressed="true"]{background:var(--blue);color:#fff}
.seg button:hover{background:var(--blue-faint)}
.textin{width:100%;font-family:var(--font);font-size:15.5px;padding:11px 14px;border:1.5px solid var(--blue);border-radius:4px;background:#fff;color:var(--ink)}
.textin:focus{outline:2px dashed var(--blue);outline-offset:2px}
.num-row{display:flex;align-items:center;gap:12px}
input[type=range]{flex:1;accent-color:var(--blue)}
input[type=number]{width:76px;font-family:var(--font);font-size:15px;padding:8px 10px;border:1.5px solid var(--blue);border-radius:4px;background:#fff;color:var(--ink)}
.range-val{font-family:var(--mono);font-weight:700;font-size:18px;min-width:36px;text-align:right;color:var(--blue)}
.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.btn{font-family:var(--font);font-size:15px;font-weight:800;padding:12px 22px;border-radius:4px;border:2px solid var(--blue);background:var(--paper);color:var(--blue);cursor:pointer;display:inline-flex;align-items:center;gap:9px;text-decoration:none}
.btn svg{width:17px;height:17px}
.btn.primary{background:var(--blue);color:#fff;box-shadow:4px 4px 0 var(--blue-soft)}
.btn.primary:hover{background:#173f82}
.btn.ghost{background:transparent;border-style:dashed}
.btn:hover{transform:translate(-1px,-1px)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.copy-note{font-size:13.5px;color:var(--blue);font-weight:700}
.output{border:2px dashed var(--blue);border-radius:4px;background:#fff;min-height:120px;padding:8px}
.output.empty .placeholder{display:block}
.output .placeholder{display:none;color:var(--muted);font-size:14.5px;padding:18px}
.names{list-style:none}
.names li{display:flex;align-items:center;gap:14px;padding:11px 14px;border-bottom:1px dashed var(--blue-soft);cursor:pointer;font-size:16.5px}
.names li:last-child{border-bottom:none}
.names li:hover{background:var(--blue-faint)}
.names .idx{font-family:var(--mono);font-size:12.5px;color:var(--blue);font-weight:700;min-width:30px}
.names .nm{font-weight:700;flex:1}
.names .mini-copy{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);border:1.5px dashed var(--blue);border-radius:4px;padding:5px 12px;background:var(--paper)}
.output-meta{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:10px}
.limits{margin-top:22px;background:var(--note);border:1.5px dashed var(--blue);border-radius:4px;padding:20px 24px}
.limits h3{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:10px;color:var(--blue)}
.limits h3 svg{width:20px;height:20px;flex-shrink:0}
.limits ul{margin-left:20px;font-size:14.5px;color:var(--muted)}
.limits li{margin-bottom:6px}
.limits strong{color:var(--ink)}
/* sections */
section.section{padding:60px 0}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--paper);border:1.5px solid var(--blue);border-radius:4px;padding:28px 26px;position:relative;box-shadow:5px 5px 0 var(--blue-soft)}
.card svg{width:30px;height:30px;color:var(--blue);margin-bottom:14px}
.card .n{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--blue);display:block;margin-bottom:8px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted)}
.card-link{text-decoration:none;color:inherit;display:block}
.card-link:hover{border-style:dashed;transform:translate(-2px,-2px)}
.card .go{display:inline-block;margin-top:14px;font-weight:800;font-size:14.5px;color:var(--blue)}
.cta-box{background:var(--paper);border:2px solid var(--blue);border-radius:4px;padding:40px;margin-top:36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:6px 6px 0 var(--blue-soft)}
.cta-box h3{font-size:22px;margin-bottom:6px}
.cta-box p{color:var(--muted);max-width:56ch}
.cta-box .btn.primary{flex-shrink:0}
/* faq */
.faq{max-width:820px}
.faq details{background:var(--paper);border:1.5px solid var(--blue);margin-bottom:10px;border-radius:4px}
.faq details[open]{border-style:dashed}
.faq summary{padding:18px 22px;font-weight:700;font-size:16.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{color:var(--blue);font-size:22px;font-weight:400;flex-shrink:0;font-family:var(--mono)}
.faq .answer{padding:0 22px 20px;color:var(--muted);font-size:15.5px}
/* article */
.article{max-width:780px;padding:24px 0 64px;position:relative}
.article h2{font-size:26px;margin:42px 0 14px;color:var(--blue)}
.article h3{font-size:20px;margin:28px 0 10px}
.article p{margin-bottom:16px;color:#243b5e}
.article ul,.article ol{margin:0 0 18px 24px;color:#243b5e}
.article li{margin-bottom:8px}
.article table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article th,.article td{border:1.5px solid var(--blue);padding:10px 14px;text-align:left}
.article th{background:var(--blue);color:#fff}
.article td{background:#fff}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--blue);text-decoration:none}
.page-hero{padding:52px 0 6px}
.page-hero h1{font-size:clamp(34px,4.6vw,52px);max-width:20ch;margin-bottom:16px}
.page-hero p.lede{font-size:18px;color:var(--muted);max-width:66ch}
.toc{background:var(--paper);border:1.5px dashed var(--blue);border-radius:4px;padding:22px 28px;margin:28px 0}
.toc h3{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.toc ol{margin-left:20px;font-size:15px}
.toc li{margin-bottom:6px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--blue);text-decoration:underline}
/* margin callout for articles */
.mnote{background:var(--note);border:1.5px dashed var(--blue);border-radius:3px;padding:14px 18px;font-size:14.5px;color:var(--ink);margin:24px 0;transform:rotate(-.5deg)}
.mnote .tag{font-family:var(--hand);font-size:13px;color:var(--blue);display:block;margin-bottom:4px;font-weight:700}
/* footer */
footer{background:var(--paper);border-top:3px double var(--blue);margin-top:20px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:48px 26px 18px}
.foot-brand p{font-size:14px;margin-top:12px;max-width:38ch;color:var(--muted)}
.foot-col h4{color:var(--blue);font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);text-decoration:none;font-size:14.5px;margin-bottom:9px}
.foot-col a:hover{color:var(--blue);text-decoration:underline}
.foot-base{grid-column:1/-1;border-top:1.5px dashed var(--blue-soft);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
@media(max-width:1200px){.margin-note.note-right{display:none}}
@media(max-width:940px){
  .tool-body{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nav a:not(.cta){display:none}
  .sheet{padding:36px 24px}
  footer .wrap{grid-template-columns:1fr}
}