:root{
  --paper:#FAFBFC;--paper-2:#F1F4F6;--ink:#0F1C24;--ink-soft:#27353E;--concrete:#5C6A73;
  --concrete-2:#8794A0;--hair:#D8DFE4;--hair-2:#E7ECEF;--teal:#0E7C86;--teal-deep:#0A5A62;
  --teal-wash:#E5F0F1;--amber:#B5731E;--white:#fff;--grid:#E9EEF1;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Newsreader",Georgia,serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
.mono{font-family:"JetBrains Mono",monospace}
h1,h2,h3,h4,label,th,.disp,button,.btn{font-family:"Space Grotesk",sans-serif;letter-spacing:-.01em}
h1{font-size:32px;line-height:1.1;margin:0 0 12px}
h2{font-size:22px;margin:0 0 10px}
h3{font-size:16px;margin:0 0 8px}
a{color:var(--teal-deep)}
.wrap{max-width:1000px;margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:560px;margin:0 auto;padding:0 28px}

/* nav */
.nav{border-bottom:1px solid var(--hair);background:var(--white)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:16px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand .tag{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-deep);border:1px solid var(--teal);border-radius:2px;padding:3px 6px}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{font-family:"Space Grotesk",sans-serif;font-size:14px;color:var(--ink-soft);text-decoration:none}
.nav-links a:hover{color:var(--teal-deep)}
.nav form{margin:0}
.linkbtn{background:none;border:none;color:var(--ink-soft);font-size:14px;cursor:pointer;padding:0}

/* buttons */
.btn{display:inline-block;background:var(--teal-deep);color:#fff;border:none;border-radius:3px;padding:11px 20px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1}
.btn:hover{background:var(--ink)}
.btn.ghost{background:var(--white);color:var(--ink);border:1px solid var(--hair)}
.btn.ghost:hover{border-color:var(--teal);color:var(--teal-deep)}
.btn.sm{padding:7px 12px;font-size:13px}
.btn.danger{background:var(--white);color:#a3341f;border:1px solid #e6c4bc}

/* hero */
.hero{background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0/100% 26px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/26px 100%,var(--paper);border-bottom:1px solid var(--ink)}
.hero .wrap{padding-top:64px;padding-bottom:56px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:16px}
.hero h1{font-size:44px;max-width:16ch}
.hero .lede{font-size:19px;color:var(--ink-soft);max-width:60ch;font-weight:300;margin:14px 0 28px}

/* cards / sections */
.section{padding:44px 0}
.card{background:var(--white);border:1px solid var(--hair);border-radius:4px;padding:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.muted{color:var(--concrete)}
.flash{padding:12px 16px;border-radius:3px;margin:16px 0;font-size:14px}
.flash.error{background:#FBF0EC;border:1px solid #e6c4bc;color:#8a2f1a}
.flash.success{background:var(--teal-wash);border:1px solid var(--teal);color:var(--teal-deep)}

/* forms */
.form-card{background:var(--white);border:1px solid var(--hair);border-radius:4px;padding:26px;margin:22px 0}
.field{margin-bottom:16px}
label{display:block;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--ink);margin-bottom:6px;text-transform:uppercase}
label .hint{font-family:"Newsreader",serif;text-transform:none;font-weight:400;color:var(--concrete);font-size:13px;letter-spacing:0}
input,select,textarea{width:100%;font-family:"Newsreader",serif;font-size:16px;padding:10px 12px;border:1px solid var(--hair);border-radius:3px;background:var(--white);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
fieldset{border:1px solid var(--hair);border-radius:4px;padding:16px 18px;margin:0 0 18px}
legend{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);padding:0 8px}
.actions{display:flex;gap:12px;align-items:center;margin-top:8px}

/* spec output */
.spec-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap;border-bottom:1.5px solid var(--ink);padding-bottom:16px;margin-bottom:8px}
.spec-meta{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--concrete);line-height:1.7}
.spec-meta b{color:var(--ink)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ink);background:var(--white);margin:20px 0}
.stat-row .cell{padding:16px 18px;border-right:1px solid var(--hair)}
.stat-row .cell:last-child{border-right:none}
.stat-row .k{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--concrete);margin-bottom:8px}
.stat-row .v{font-family:"Space Grotesk",sans-serif;font-size:24px;font-weight:600}
.stat-row .v small{display:block;font-family:"Newsreader",serif;font-size:12px;color:var(--concrete);font-weight:400;margin-top:4px}
table.parts{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--hair);margin:18px 0}
table.parts th{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--concrete);text-align:left;padding:11px 14px;border-bottom:1.5px solid var(--ink);background:var(--paper-2)}
table.parts td{padding:11px 14px;border-bottom:1px solid var(--hair-2);color:var(--ink-soft)}
table.parts td.code{font-family:"JetBrains Mono",monospace;color:var(--teal-deep);font-weight:600}
table.parts td.qty{font-family:"JetBrains Mono",monospace;text-align:right;font-weight:600;color:var(--ink)}
table.parts tr:last-child td{border-bottom:none}
table.parts tfoot td{border-top:1.5px solid var(--ink);font-family:"Space Grotesk",sans-serif;font-weight:600;background:var(--paper-2)}
.drawing{border:1px solid var(--hair);background:var(--white);border-radius:4px;padding:16px;margin:18px 0}
.drawing svg{max-width:100%;height:auto;display:block;margin:0 auto}
.badge-pass{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:600;letter-spacing:.08em;padding:3px 9px;border-radius:2px;background:var(--teal-wash);color:var(--teal-deep)}
.badge-fail{background:#FBF0EC;color:#8a2f1a}
.list{list-style:none;padding:0;margin:0}
.list li{padding:8px 0;border-bottom:1px solid var(--hair-2);display:flex;justify-content:space-between}
.proj-row{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--hair-2)}
.proj-row a{font-family:"Space Grotesk",sans-serif;font-weight:600;text-decoration:none;color:var(--ink)}
footer.site{border-top:1px solid var(--hair);margin-top:40px;padding:26px 0;color:var(--concrete);font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.04em}

@media (max-width:720px){
  .grid-2,.row,.row-3,.stat-row{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .stat-row .cell{border-right:none;border-bottom:1px solid var(--hair)}
}

/* branded print spec */
.branded{background:#fff}
@media print{
  .noprint{display:none!important}
  body{font-size:12pt}
  .wrap{max-width:100%}
}