/* Northline: the site as a cut sheet. Plate-grey surfaces, ink-dark steel type, Dykem layout blue for scribed lines and labels.
   Hero = a nested sheet being cut; services = job tags by customer; capabilities = the spec sheet with limits. */
:root{
  --plate:#e9ebe8; --sheet:#f7f8f6; --white:#ffffff; --steel:#1b232b; --steel-2:#2b343d; --sub:#46505a; --muted:#59636d;
  --line:#cdd1cc; --rule:#a9afa8; --dykem:#1f48c8; --dykem-2:#173a9f; --dykem-soft:#e6ecfb; --kerf:#0e1216;
  --display:"Northline Heros Cn Subset","Arial Narrow","Helvetica Neue Condensed",Arial,sans-serif;
  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--sheet);color:var(--steel);font:16px/1.6 var(--sans);padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}ul,ol{padding:0;list-style:none}
a{color:var(--dykem-2)}
:focus-visible{outline:3px solid var(--dykem);outline-offset:3px}
[hidden]{display:none!important}
.skip{position:absolute;left:-9999px;top:8px;z-index:30;background:#fff;color:var(--steel);padding:10px 14px;border:2px solid var(--dykem)}
.skip:focus{left:12px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}

/* Fictional banner */
.demo{background:var(--kerf);color:#d8dde2;font-size:13px;line-height:1.5;padding:8px 16px;text-align:center}
.demo b{color:#fff}

/* Header */
.site{position:sticky;top:0;z-index:10;background:rgba(247,248,246,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:12px;color:var(--steel);text-decoration:none}
.logo svg{flex:none}
.logo b{display:block;font:700 23px/1 var(--display);letter-spacing:.005em}
.logo .sub{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.links{display:flex;align-items:center;gap:26px}
.links a{color:var(--steel);text-decoration:none;font-size:15px;font-weight:500}
.links a:hover{color:var(--dykem-2)}
.links a.cta{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid var(--steel);background:var(--steel);color:#fff;font:600 15px/1 var(--sans);padding:12px 18px;min-height:46px;border-radius:2px;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--steel-2)}
.btn.sm{padding:9px 14px;min-height:40px;font-size:14px}
.btn.line{background:transparent;color:var(--steel)}
.btn.line:hover{background:var(--white)}
.btn[disabled]{background:#c5cac4;border-color:#c5cac4;color:#2f363d;cursor:not-allowed}
.menu-btn{display:none;border:2px solid var(--steel);background:transparent;color:var(--steel);font:600 14px/1 var(--sans);padding:10px 14px;min-height:44px;border-radius:2px;cursor:pointer}

/* Hero: the cut sheet */
.hero{background:var(--plate);border-bottom:1px solid var(--rule);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center;padding-block:clamp(40px,6vw,84px) clamp(40px,5vw,72px)}
.ref{font:600 12.5px/1.4 var(--mono);color:var(--dykem-2);display:flex;gap:10px;align-items:center}
.ref::before{content:"";width:28px;height:2px;background:var(--dykem)}
h1{font:700 clamp(44px,6.4vw,84px)/.95 var(--display);letter-spacing:-.005em;margin-top:18px;text-wrap:balance}
.lead{font-size:clamp(17px,1.5vw,19px);line-height:1.6;color:var(--sub);margin-top:22px;max-width:52ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:36px;border-top:2px solid var(--steel)}
.facts div{padding:12px 14px 0 0;min-width:0}
.facts dt{font:700 22px/1.1 var(--display)}
.facts dd{font-size:13.5px;color:var(--sub);margin-top:4px}
.sheet{position:relative;min-width:0}
.sheet svg{display:block;width:100%;height:auto}
.sheet figcaption{font:12px/1.5 var(--mono);color:var(--muted);margin-top:10px}
.js .cut{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:cut 2.6s cubic-bezier(.45,.05,.25,1) .4s forwards}
.cut.c2{animation-delay:1s}.cut.c3{animation-delay:1.55s}.cut.c4{animation-delay:2s}
.head{offset-path:path("M0 0");opacity:0}
@keyframes cut{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.js .cut{animation:none;stroke-dasharray:none;stroke-dashoffset:0}}

/* Sections */
section{padding-block:clamp(56px,7vw,96px)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 48px;align-items:end}
h2{font:700 clamp(34px,4.2vw,54px)/1 var(--display);letter-spacing:-.005em;text-wrap:balance}
.sec-sub{color:var(--sub);font-size:17px;max-width:54ch}

/* Services as job tags */
.tags{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px}
.tag{position:relative;background:var(--white);border:1px solid var(--rule);border-radius:2px 2px 2px 2px;padding:30px 26px 24px;display:flex;flex-direction:column;min-width:0;clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,0 100%)}
.tag::before{content:"";position:absolute;right:0;top:0;width:26px;height:26px;background:linear-gradient(225deg,var(--plate) 50%,var(--rule) 50%,var(--rule) calc(50% + 1px),transparent calc(50% + 1px))}
.tag .hole{position:absolute;left:26px;top:-1px;width:14px;height:14px;border:1px solid var(--rule);border-top:0;border-radius:0 0 8px 8px;background:var(--sheet)}
.tag .for{font:600 12.5px/1.4 var(--mono);color:var(--dykem-2);margin-top:6px}
.tag h3{font:700 30px/1 var(--display);margin-top:10px}
.tag p{color:var(--sub);margin-top:12px;font-size:15.5px}
.tag dl{margin-top:18px;border-top:1px solid var(--line)}
.tag dl div{padding:10px 0;border-bottom:1px solid var(--line)}
.tag dt{font-size:12.5px;font-weight:600;color:var(--muted)}
.tag dd{font-size:15px;margin-top:2px}
.tag .go{margin-top:20px;font-weight:600;text-decoration:none;color:var(--dykem-2);display:inline-flex;gap:8px;align-items:center}
.tag .go:hover{text-decoration:underline;text-underline-offset:4px}
.new{display:inline-block;font:700 11.5px/1 var(--mono);color:#fff;background:var(--dykem);padding:5px 7px;border-radius:2px;vertical-align:4px;margin-left:6px;letter-spacing:.02em}

/* Process */
.process{background:var(--steel);color:#eef0ee}
.process h2{color:#fff}
.process .sec-sub{color:#c3c9cf}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:48px;counter-reset:s;border-top:1px solid #4a535c}
.step{padding:22px 22px 0 0;position:relative;min-width:0}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font:700 46px/1 var(--display);color:#8fa6e8;display:block}
.step h3{font:700 26px/1.05 var(--display);color:#fff;margin-top:12px}
.step p{color:#c3c9cf;font-size:15px;margin-top:8px;max-width:30ch}
.step + .step{border-left:1px solid #4a535c;padding-left:22px}

/* Capabilities spec sheet */
.spec{margin-top:44px;border:2px solid var(--steel);background:var(--white);overflow-x:auto}
.spec table{width:100%;border-collapse:collapse;min-width:620px}
.spec caption{caption-side:top;text-align:left;font:600 12.5px/1.4 var(--mono);color:var(--muted);padding:12px 18px;border-bottom:1px solid var(--rule)}
.spec th,.spec td{text-align:left;vertical-align:top;padding:14px 18px;border-bottom:1px solid var(--line)}
.spec thead th{font:600 12.5px/1.4 var(--mono);color:var(--muted);background:var(--sheet)}
.spec tbody th{font:700 20px/1.15 var(--display);width:20%}
.spec td{font-size:15px}
.spec td.lim{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.fit{margin-top:16px;color:var(--sub);font-size:15px;max-width:72ch}

/* Quote */
.quote{background:var(--plate);border-top:1px solid var(--rule)}
.quote-in{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.note{margin-top:22px;border-left:4px solid var(--dykem);background:var(--dykem-soft);padding:12px 16px;font-size:14.5px;color:var(--steel)}
.needs{margin-top:22px;display:grid;gap:8px}
.needs li{display:flex;gap:10px;align-items:baseline;font-size:15.5px}
.needs li::before{content:"";flex:none;width:9px;height:9px;border:2px solid var(--dykem);transform:translateY(-1px)}
.form{background:var(--white);border:2px solid var(--steel);padding:clamp(20px,3vw,32px)}
.form form{display:grid;gap:16px}
.form h3{font:700 28px/1 var(--display)}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:600}
.field .hint{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;padding:11px 12px;min-height:46px;border:1px solid #8f968e;border-radius:2px;background:#fff;color:var(--steel)}
.field textarea{min-height:110px;resize:vertical}
.field .err{color:#9f1f12;font-size:13.5px;font-weight:600}
.field .err:empty{display:none}
.field.bad input,.field.bad select{border:2px solid #9f1f12}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.done{border:2px solid #1f6a43;background:#e9f3ec;color:#164f31;padding:16px;font-size:15px}
.done b{display:block;font-size:16px;margin-bottom:4px}

/* Footer */
footer{background:var(--kerf);color:#c3c9cf;padding-block:48px;font-size:14.5px}
.fgrid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);gap:28px}
footer b{display:block;color:#fff;font:700 22px/1 var(--display);margin-bottom:10px}
footer h3{font-size:13px;color:#fff;margin-bottom:8px}
footer a{display:block;color:#c3c9cf;text-decoration:none;padding:3px 0}
footer a:hover{color:#fff}

/* Decisions panel (demo only) */
.dbtn{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0));z-index:20;background:var(--dykem);border-color:var(--dykem);box-shadow:0 6px 18px rgba(14,18,22,.25)}
.dbtn:hover{background:var(--dykem-2)}
.dpanel{position:fixed;right:16px;bottom:calc(76px + env(safe-area-inset-bottom,0));z-index:20;width:min(400px,calc(100vw - 32px));max-height:min(70vh,560px);overflow:auto;background:var(--white);border:2px solid var(--steel);box-shadow:0 18px 40px rgba(14,18,22,.25);padding:20px}
.dpanel h2{font:700 24px/1.05 var(--display)}
.dpanel p.k{font-size:13px;color:var(--muted);margin-top:6px}
.dpanel ol{margin-top:14px;counter-reset:d;display:grid;gap:12px}
.dpanel li{position:relative;padding-left:30px;font-size:14.5px;color:var(--sub)}
.dpanel li::before{counter-increment:d;content:counter(d);position:absolute;left:0;top:1px;width:20px;height:20px;border:2px solid var(--dykem);color:var(--dykem-2);font:700 11px/16px var(--mono);text-align:center}
.dpanel li b{color:var(--steel)}

@media (max-width:980px){
  .hero-in,.quote-in,.sec-head{grid-template-columns:minmax(0,1fr)}
  .tags{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step:nth-child(3){border-left:0;padding-left:0}
  .step:nth-child(n+3){border-top:1px solid #4a535c;margin-top:22px}
  .fgrid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .fgrid > div:first-child{grid-column:1/-1}
}
@media (max-width:720px){
  .menu-btn{display:inline-flex}
  .links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--sheet);border-bottom:1px solid var(--rule);padding:8px 16px 16px}
  .links.open{display:flex}
  .links a{padding:12px 0;border-bottom:1px solid var(--line);min-height:46px;display:flex;align-items:center}
  .links a.cta{justify-content:center;border:0;margin-top:10px}
  .facts{grid-template-columns:minmax(0,1fr)}
  .facts div{padding:12px 0;border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .step,.step + .step{border-left:0;padding-left:0}
  .step + .step{border-top:1px solid #4a535c;margin-top:22px}
  .two{grid-template-columns:minmax(0,1fr)}
  .fgrid{grid-template-columns:minmax(0,1fr)}
  .logo b{font-size:20px}
  .dbtn{right:12px;left:12px;justify-content:center}
  footer{padding-bottom:104px}
  .dpanel{right:12px;left:12px;width:auto}
}


/* Multi-page additions */
.links a[aria-current="page"]:not(.cta){color:var(--dykem-2);box-shadow:inset 0 -3px 0 var(--dykem);padding-block:23px 20px}
.links a.cta[aria-current="page"]{background:var(--dykem-2);border-color:var(--dykem-2)}
.pagehead{background:var(--plate);border-bottom:1px solid var(--rule);padding-block:clamp(40px,5vw,72px) clamp(36px,4.5vw,60px)}
.pagehead h1{font-size:clamp(40px,5.4vw,70px);max-width:23ch}
.pagehead .lead{max-width:60ch}
.crumbs{font:600 12.5px/1.4 var(--mono);color:var(--muted)}
.crumbs a{color:var(--dykem-2)}
.more{display:inline-flex;margin-top:32px;font-weight:600;color:var(--dykem-2)}
.process .more{color:#c9d6f7}
.process .more:hover{color:#fff}
/* Home: compact job tags */
.tag.short p{margin-top:10px}
.tag.short .go{margin-top:auto;padding-top:20px}
.band{background:var(--plate);border-top:1px solid var(--rule)}
.band-in{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
.band h2{font-size:clamp(30px,3.6vw,46px);max-width:22ch}
.band p{color:var(--sub);margin-top:10px;max-width:56ch}
/* What we make */
.svc{padding-block:clamp(48px,6vw,84px);border-bottom:1px solid var(--rule)}
.svc:nth-of-type(even){background:var(--white)}
.svc-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,72px);align-items:start}
.svc .for{font:600 12.5px/1.4 var(--mono);color:var(--dykem-2)}
.svc h2{margin-top:12px}
.svc .body{color:var(--sub);font-size:17px;margin-top:16px;max-width:56ch}
.svc h3{font-size:15px;font-weight:700;margin-top:26px}
.svc .needs{margin-top:10px}
.svc .btn{margin-top:28px}
.part{background:var(--white);border:2px solid var(--steel);min-width:0}
.svc:nth-of-type(even) .part{background:var(--sheet)}
.part svg{display:block;width:100%;height:auto;border-bottom:1px solid var(--rule)}
.part dl{padding:4px 20px 8px}
.part dl div{padding:12px 0;border-bottom:1px solid var(--line)}
.part dl div:last-child{border-bottom:0}
.part dt{font-size:12.5px;font-weight:600;color:var(--muted)}
.part dd{font-size:15.5px;margin-top:2px}
.part figcaption{font:12px/1.5 var(--mono);color:var(--muted);padding:10px 20px;border-top:1px solid var(--rule)}
.unsure{padding-block:clamp(48px,6vw,80px)}
.unsure-in{border:2px dashed var(--dykem);padding:clamp(22px,3vw,36px);display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.unsure h2{font-size:clamp(28px,3.2vw,40px)}
.unsure p{color:var(--sub);margin-top:8px;max-width:58ch}
/* How we work */
.steps.long .step p{max-width:34ch}
.steps .who{display:block;font:600 12.5px/1.4 var(--mono);color:#8fa6e8;margin-top:12px}
.change-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:center}
.change-in .sec-sub{margin-top:16px}
.change-in .needs{margin-top:22px}
.slip{background:var(--white);border:2px solid var(--steel);box-shadow:8px 8px 0 var(--plate);font-size:15px;min-width:0}
.slip .top{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:14px 18px;border-bottom:2px solid var(--steel);flex-wrap:wrap}
.slip .top b{font:700 22px/1 var(--display)}
.slip .top span{font:600 12.5px/1.4 var(--mono);color:var(--muted)}
.slip dl div{display:grid;grid-template-columns:minmax(0,9em) minmax(0,1fr);gap:12px;padding:11px 18px;border-bottom:1px solid var(--line)}
.slip dt{font-size:13px;font-weight:600;color:var(--muted)}
.slip dd .was{text-decoration:line-through;color:var(--muted)}
.slip .ok{color:#164f31;font-weight:600}
.slip .stamp{margin:14px 18px 16px;display:inline-block;border:2px solid var(--dykem);color:var(--dykem-2);font:700 13px/1.3 var(--mono);padding:6px 10px;transform:rotate(-2deg)}
.slip-cap{font:12px/1.5 var(--mono);color:var(--muted);margin-top:14px}
.capsec{border-top:1px solid var(--rule)}
/* Quote page */
.quote.page{border-top:0}
.q-grid{grid-template-areas:"intro form" "info form";grid-template-rows:auto 1fr;row-gap:0}
.q-intro{grid-area:intro}.q-info{grid-area:info}.q-grid .form{grid-area:form}
.q-info .needs{margin-top:12px}
.qh{font:700 24px/1.1 var(--display);margin-top:26px}
@media (max-width:980px){.qh{margin-top:0}}
.quote.page h1{font-size:clamp(40px,5vw,64px);margin-top:14px}
.form h2{font:700 28px/1 var(--display)}
.next{margin-top:28px;border-top:2px solid var(--steel);counter-reset:n}
.next h2{font:700 24px/1.1 var(--display);margin-top:18px}
.next ol{margin-top:12px;display:grid;gap:10px}
.next li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;font-size:15.5px}
.next li::before{counter-increment:n;content:counter(n);font:700 12px/22px var(--mono);width:22px;height:22px;text-align:center;border:2px solid var(--dykem);color:var(--dykem-2)}
.prefill{font-size:13.5px;color:var(--sub);margin-top:-8px}
@media (max-width:980px){
  .svc-in,.change-in{grid-template-columns:minmax(0,1fr)}
  .q-grid{grid-template-areas:"intro" "form" "info";grid-template-rows:auto;row-gap:28px}
  .links{gap:20px}
}
@media (max-width:720px){
  .links a[aria-current="page"]:not(.cta){box-shadow:inset 4px 0 0 var(--dykem);padding:12px 0 12px 14px}
  .slip dl div{grid-template-columns:minmax(0,1fr);gap:2px}
}

.demo .demo-back{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:3px;margin-left:6px;white-space:nowrap}.demo .demo-back:focus-visible{outline:2px solid #fff;outline-offset:2px}