:root{
  --ink:#171713; --paper:#f3efe5; --card:#fffdf7; --line:#c9c1b0;
  --accent:#d45b34; --accent2:#e9b949; --green:#55745a; --muted:#6e695e;
  --shadow:5px 5px 0 #171713;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5}
a{color:inherit}
.wrap{width:min(1120px,calc(100% - 32px));margin:auto}
header{border-bottom:2px solid var(--ink);background:#fffdf7;position:sticky;top:0;z-index:20}
nav{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:18px}
.brand{font-weight:900;font-size:1.15rem;text-decoration:none;letter-spacing:-.03em}
.brand span{color:var(--accent)}
.navlinks{display:flex;gap:18px;font-size:.9rem;font-weight:700}
.navlinks a{text-decoration:none}
.hero{padding:76px 0 44px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-weight:900;font-size:.75rem;color:var(--accent)}
h1,h2,h3{line-height:1.02;letter-spacing:-.045em;margin:.2em 0}
h1{font-size:clamp(3rem,8vw,6.8rem);max-width:920px}
h2{font-size:clamp(2rem,5vw,4.2rem)}
h3{font-size:1.45rem}
.lede{font-size:clamp(1.1rem,2vw,1.4rem);max-width:760px;color:#403d36}
.pill{display:inline-block;border:2px solid var(--ink);border-radius:999px;padding:6px 11px;font-size:.75rem;font-weight:900;background:var(--accent2)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:34px 0 70px}
.path{background:var(--card);border:2px solid var(--ink);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:280px}
.path p{color:var(--muted);flex:1}
.btn,button{appearance:none;border:2px solid var(--ink);background:var(--ink);color:white;padding:13px 16px;font:inherit;font-weight:900;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}
.btn.alt,button.alt{background:var(--card);color:var(--ink)}
.btn:hover,button:hover{transform:translate(-1px,-1px)}
.section{padding:70px 0;border-top:2px solid var(--ink)}
.section.soft{background:#e9e2d3}
.tool{background:var(--card);border:2px solid var(--ink);box-shadow:var(--shadow);padding:clamp(20px,4vw,42px);max-width:900px}
.progress{height:8px;background:#ddd5c6;margin:18px 0 30px}
.progress i{display:block;height:100%;background:var(--accent);width:10%;transition:.2s}
.question{font-size:clamp(1.7rem,4vw,3rem);font-weight:900;line-height:1.08;letter-spacing:-.04em;margin-bottom:22px}
.options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.options button{text-align:left;background:var(--card);color:var(--ink);min-height:64px}
.options button:hover{background:var(--accent2)}
.back{margin-top:18px;background:transparent!important;color:var(--muted)!important;border:0!important;padding-left:0!important}
.result{display:none}
.result.show{display:block}
.meter{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center;margin:20px 0}
.meterbar{height:14px;border:2px solid var(--ink);background:white}.meterbar i{display:block;height:100%;background:var(--green)}
.callout{border:2px solid var(--ink);padding:18px;margin:20px 0;background:#f7edc9}
.risk{display:flex;gap:12px;align-items:flex-start;border:2px solid var(--ink);padding:16px;margin:18px 0}
.risk b{white-space:nowrap}
.links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.linkcard{border:2px solid var(--ink);background:var(--card);padding:18px;text-decoration:none;font-weight:800}
.linkcard small{display:block;color:var(--muted);font-weight:400;margin-top:7px}
.footer{padding:42px 0;font-size:.86rem;color:var(--muted)}
.formrow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{font-weight:800;font-size:.9rem}
select,input{width:100%;padding:12px;border:2px solid var(--ink);background:white;font:inherit;margin-top:5px}
.saved{margin-top:18px;font-size:.9rem;color:var(--green);font-weight:800}
.guide article{max-width:780px}
.guide h1{font-size:clamp(2.7rem,7vw,5.5rem)}
.guide p,.guide li{font-size:1.08rem}
.breadcrumb{padding-top:28px;font-size:.85rem;font-weight:700}
@media(max-width:760px){.grid3,.links{grid-template-columns:1fr}.options{grid-template-columns:1fr}.navlinks{display:none}.formrow{grid-template-columns:1fr}.hero{padding-top:48px}}

/* V2 diagnostic workshop */
body{background-image:linear-gradient(rgba(23,23,19,.035) 1px,transparent 1px);background-size:100% 28px}
.hero{position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-100px;top:25px;width:420px;height:420px;border:55px solid rgba(212,91,52,.08);border-radius:50%;z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}.hero-art,.visual-guide{border:2px solid var(--ink);box-shadow:var(--shadow);width:100%;display:block}
.modebar{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.modebar a{border:2px solid var(--ink);padding:8px 12px;text-decoration:none;font-weight:900;background:var(--card)}
.setup-map{display:grid;grid-template-columns:repeat(5,1fr);margin:28px 0}.setup-map div{border:2px solid var(--ink);margin-right:-2px;padding:14px;background:var(--card);font-weight:900}.setup-map span{display:block;color:var(--accent);font-size:.72rem;letter-spacing:.1em}
.quickcheck{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.quickcheck a{background:var(--ink);color:white;text-decoration:none;padding:16px;font-weight:900}.quickcheck small{display:block;color:#cfc8ba;font-weight:400;margin-top:5px}
.visual-guide{margin:18px 0 24px;background:white;box-shadow:none}.stamp{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;border:2px solid var(--ink);padding:5px 8px;display:inline-block;font-weight:900}
@media(max-width:760px){.hero-grid{grid-template-columns:1fr}.setup-map{grid-template-columns:1fr}.setup-map div{margin:0 0 -2px}.quickcheck{grid-template-columns:1fr 1fr}}

/* V3 diagnostic instrument */
.diagnostic-shell{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;align-items:start}
.sidepanel{position:sticky;top:92px;border:2px solid var(--ink);background:var(--card);box-shadow:var(--shadow);padding:16px}
.sidepanel h3{font-size:1rem;letter-spacing:.02em}
.sidepanel dl{margin:0}.sidepanel dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:900;margin-top:12px}.sidepanel dd{margin:2px 0 0;font-weight:900}
.live-map{border:2px solid var(--ink);background:#f7f1e5;padding:12px;margin:18px 0}
.fretboard{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.fretzone{border:2px solid var(--ink);padding:12px;background:white;color:var(--ink);font-weight:900;cursor:pointer}
.fretzone.active{background:var(--accent2)}
.measure-card{border:2px solid var(--ink);background:#fff;padding:18px;margin:18px 0}
.measure-card input{max-width:170px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap}.microbadge{font-size:.7rem;border:1.5px solid var(--ink);padding:5px 8px;font-weight:900;background:#fff}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.flow-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.flow-card{border:2px solid var(--ink);background:var(--card);padding:20px;box-shadow:var(--shadow)}
.flow-num{font-size:.72rem;letter-spacing:.12em;color:var(--accent);font-weight:900}
.tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}
details{border-top:1px solid var(--line);padding:12px 0}summary{font-weight:900;cursor:pointer}
.safety-stop{background:#171713;color:#fff;padding:18px;border:2px solid #171713;margin:18px 0}.safety-stop strong{color:var(--accent2)}
@media(max-width:900px){.diagnostic-shell{grid-template-columns:1fr}.sidepanel{position:static}.flow-cards{grid-template-columns:1fr}.tools-grid{grid-template-columns:1fr}}

/* V4 workstation */
.utility-strip{background:#171713;color:#fff;border-bottom:2px solid #171713}
.utility-strip .wrap{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:9px 0;font-size:.78rem;font-weight:800}
.utility-links{display:flex;gap:14px}.utility-links a{color:#fff;text-decoration:none}
.workstation-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:start}
.profile-card,.procedure-card,.bench-card,.spec-card{border:2px solid var(--ink);background:var(--card);box-shadow:var(--shadow);padding:20px}
.profile-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.profile-summary div{border:1.5px solid var(--ink);padding:10px;background:white}.profile-summary small{display:block;color:var(--muted);font-weight:700}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tabbtn{background:var(--card);color:var(--ink);border:2px solid var(--ink)}.tabbtn.active{background:var(--ink);color:#fff}
.tabpane{display:none}.tabpane.active{display:block}
.checklist{display:grid;gap:9px}.checkrow{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;border-bottom:1px solid var(--line);padding:9px 0}
.checkrow input{width:auto;margin-top:3px}
.range-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.range-card{border:2px solid var(--ink);padding:14px;background:#fff}.range-card b{display:block;font-size:1.15rem}
.bench-meter{height:10px;background:#d8d1c4;border:1.5px solid var(--ink);margin-top:6px}.bench-meter i{display:block;height:100%;background:var(--accent)}
.procedure-steps{counter-reset:steps}.procedure-step{counter-increment:steps;border-left:5px solid var(--ink);padding:4px 0 18px 18px;margin:16px 0}.procedure-step:before{content:counter(steps,decimal-leading-zero);font-weight:900;color:var(--accent);font-size:.78rem;letter-spacing:.12em}
.procedure-step h3{margin-top:2px}
.signal{display:inline-block;padding:5px 8px;border:2px solid var(--ink);font-size:.7rem;font-weight:900;letter-spacing:.08em}.signal.green{background:#dfe9df}.signal.yellow{background:#f4e7ab}.signal.stop{background:#e9c4b7}
.searchbox{display:flex;gap:8px;margin:18px 0}.searchbox input{margin:0}.search-results{display:grid;gap:8px}.search-hit{border:2px solid var(--ink);padding:12px;background:#fff;text-decoration:none;font-weight:800}
.home-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.number{font-variant-numeric:tabular-nums}
.quick-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-tool{border:2px solid var(--ink);padding:16px;background:var(--card);text-decoration:none;font-weight:900}
.quick-tool small{display:block;font-weight:400;color:var(--muted);margin-top:6px}
@media(max-width:900px){.workstation-grid{grid-template-columns:1fr}.profile-summary,.range-grid{grid-template-columns:1fr 1fr}.quick-tools{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.profile-summary,.range-grid,.quick-tools{grid-template-columns:1fr}.utility-strip .wrap{align-items:flex-start;flex-direction:column}}

.jimbo-credit{font-size:.72rem;margin-top:22px;opacity:.78}.jimbo-credit a{font-weight:800}
.section-intro{margin:28px 0 16px}.guide article .links{margin:18px 0 30px}