/* ==========================================================================
   NXS9 Consulting — design system  (Blueprint Technical + Safety Amber)
   Palette anchored on the logo: navy + teal. Amber used only for CTAs/flags.
   No em dashes in any UI copy.
   ========================================================================== */

:root{
  --navy:#11305A; --navy2:#0C2545; --navy3:#0A1F3C;
  --teal:#159B8A; --teal-d:#0F7E70;
  --amber:#E8A13A; --amber-d:#CF8A26; --amber-ink:#3A2600; --amber-tint:#FFF8EE; --amber-line:#F1D9AE;
  --ink:#2B3744; --muted:#6E7B89; --line:#D7E3EE; --tint:#EEF6FC; --lblue:#CFE8F7;
  --maxw:1140px; --radius:12px;
  --shadow-sm:0 1px 2px rgba(17,48,90,.06),0 4px 14px rgba(17,48,90,.06);
  --shadow-md:0 16px 38px rgba(17,48,90,.12);
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--sans);color:var(--navy);font-weight:800;letter-spacing:-.015em;line-height:1.1;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3.8vw,2.6rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
.lead{font-size:1.2rem}
.muted{color:var(--muted)}
.wrap,.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.center{text-align:center}

/* tags / eyebrows (mono) */
.tag{font-family:var(--mono);font-size:.76rem;letter-spacing:.04em;color:var(--teal-d);text-transform:uppercase;display:inline-block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;font-size:1rem;line-height:1;padding:14px 26px;border-radius:6px;border:1.5px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.amber{background:var(--amber);border-color:var(--amber);color:var(--amber-ink)}
.btn.amber:hover{background:var(--amber-d);border-color:var(--amber-d);box-shadow:var(--shadow-md)}
.btn.line{background:transparent;color:var(--navy)}
.btn.line:hover{border-color:var(--teal);color:var(--teal-d)}
.btn.onnavy{background:#fff;border-color:#fff;color:var(--navy)}
.btn.onnavy:hover{background:var(--lblue)}
.btn.line.onnavy{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.lg{padding:16px 30px;font-size:1.04rem}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:18px}
.brand{display:inline-flex;align-items:center}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:18px}
.nav a:not(.btn){color:var(--navy);font-weight:600;font-size:.93rem;padding:6px 2px;border-bottom:2px solid transparent;white-space:nowrap}
.nav a:not(.btn):hover{color:var(--teal-d);text-decoration:none;border-color:var(--teal)}
.nav a.active{color:var(--teal-d);border-color:var(--teal)}
.nav-cta{margin-left:4px}
.nav-item{position:relative;display:flex;align-items:center}
.nav-sub-toggle{background:none;border:0;cursor:pointer;font-family:inherit;color:var(--navy);font-weight:600;font-size:.93rem;display:inline-flex;align-items:center;gap:7px;padding:6px 2px;border-bottom:2px solid transparent}
.nav-sub-toggle:hover,.nav-sub-toggle.active{color:var(--teal-d);border-color:var(--teal)}
.caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-4px;transition:transform .2s}
.nav-sub{position:absolute;top:100%;right:0;min-width:320px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:8px;display:none;flex-direction:column;z-index:50}
.nav-item.open>.nav-sub{display:flex}
.nav-sub a:not(.btn){display:block;color:var(--navy);font-weight:600;font-size:.9rem;padding:9px 12px;border-radius:8px;border:0;white-space:nowrap}
.nav-sub a:not(.btn):hover{background:var(--tint);color:var(--teal-d);border:0}
.nav-sub a.active{color:var(--teal-d);background:var(--tint)}
@media(hover:hover) and (pointer:fine){.nav-item:hover>.nav-sub{display:flex}.nav-item:hover .caret{transform:rotate(-135deg);margin-top:1px}}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;padding:9px}
.nav-toggle span{display:block;height:2.5px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.2s}

/* home hero */
.hero{position:relative;background:var(--tint);border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:40px 40px;opacity:.55}
.hero .wrap{position:relative;padding:92px 32px 84px;display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center}
.hero h1{max-width:15ch;margin:18px 0 0}
.hero .sub{font-size:1.24rem;color:var(--muted);max-width:44ch;margin:22px 0 30px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* credential spec card */
.spec{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md)}
.spec .top{background:var(--navy);color:#fff;padding:15px 20px;font-family:var(--mono);font-size:.78rem;letter-spacing:.05em;display:flex;justify-content:space-between;align-items:center}
.spec .top .v{color:var(--amber);font-weight:600}
.spec .r{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line);font-size:.95rem}
.spec .r:last-child{border-bottom:0}
.spec .r b{color:var(--navy);font-weight:700}
.spec .r .v{font-family:var(--mono);color:var(--teal-d);font-weight:600;text-align:right}

/* interior page hero */
.page-hero{position:relative;background:var(--tint);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:40px 40px;opacity:.5}
.page-hero .wrap{position:relative;padding:66px 32px 58px;max-width:900px}
.page-hero h1{font-size:clamp(2.1rem,4.4vw,3.2rem);margin:14px 0 .4rem}
.page-hero .lead{color:var(--muted);max-width:60ch}

/* sections */
.section{padding:84px 0}
.section--tint{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:760px}
.head.center{margin:0 auto;text-align:center}
.head h2{margin-top:12px}
.section--narrow .wrap{max-width:820px}

/* credibility line */
.cred-line{border-left:5px solid var(--amber);padding:8px 0 8px 26px;font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:800;color:var(--navy);line-height:1.3;max-width:26ch;margin:18px 0 0}

/* split + panel + checklist */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.panel{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px 32px}
.panel::before,.panel::after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--teal)}
.panel::before{top:12px;left:12px;border-right:0;border-bottom:0}
.panel::after{bottom:12px;right:12px;border-left:0;border-top:0}
.panel h3{margin-top:0;margin-bottom:14px}
.clist{list-style:none;margin:0;padding:0}
.clist li{position:relative;padding:9px 0 9px 30px;border-bottom:1px solid var(--line);font-size:.99rem}
.clist li:last-child{border-bottom:0}
.clist li::before{content:"";position:absolute;left:0;top:15px;width:14px;height:14px;border-radius:3px;background:var(--teal)}
.clist.amber li::before{background:var(--amber)}

/* service cards (corner ticks) */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card{position:relative;border:1px solid var(--line);border-radius:11px;padding:26px 24px;background:#fff;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card.tick::before,.card.tick::after{content:"";position:absolute;width:10px;height:10px;border:2px solid var(--teal)}
.card.tick::before{top:10px;left:10px;border-right:0;border-bottom:0}
.card.tick::after{bottom:10px;right:10px;border-left:0;border-top:0}
.card .idx{font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-bottom:8px}
.card h3{margin-bottom:6px}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.card .more{margin-top:auto;font-weight:700;font-size:.88rem;color:var(--teal-d)}
.card.sec-card{background:var(--tint)}
.card.emerging{background:var(--amber-tint);border-color:var(--amber-line)}
.card.emerging.tick::before,.card.emerging.tick::after{border-color:var(--amber)}
.badge{display:inline-block;font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--amber-ink);background:var(--amber);padding:4px 10px;border-radius:4px;margin-bottom:12px;align-self:flex-start}
.badge-active{display:inline-block;font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--teal);padding:4px 10px;border-radius:4px;margin-bottom:12px;align-self:flex-start}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.pillar .pk{font-family:var(--mono);color:var(--muted);font-size:.78rem;margin-bottom:6px}
.pillar h3{color:var(--teal-d);font-size:1.25rem;margin-bottom:8px}
.pillar p{color:var(--muted);font-size:.98rem;margin:0}

/* photo band */
.photoband{position:relative;min-height:340px;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.photoband::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,31,60,.92) 0%,rgba(10,31,60,.72) 55%,rgba(15,126,112,.45) 100%)}
.photoband::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:40px 40px}
.photoband .wrap{position:relative;z-index:2;padding:56px 32px}
.photoband h2{color:#fff;max-width:20ch}
.photoband p{color:var(--lblue);max-width:48ch;margin:.4rem 0 0}
.photo-credit{position:absolute;right:10px;bottom:8px;z-index:3;font-size:.66rem;color:rgba(255,255,255,.55);font-family:var(--mono)}
.photo-credit a{color:rgba(255,255,255,.7)}

/* framed image (page accents / headshot) */
.imgframe{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--tint)}
.imgframe img{width:100%;height:100%;object-fit:cover;display:block}
.imgframe.ratio{aspect-ratio:4/3}
.imgframe .ph{display:flex;align-items:center;justify-content:center;min-height:280px;color:var(--muted);font-family:var(--mono);font-size:.8rem;text-align:center;padding:24px}

/* use cases */
.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.usecase{border-top:3px solid var(--teal);padding-top:16px}
.usecase h4{color:var(--navy);margin:0 0 .3rem;font-size:1.05rem}
.usecase p{margin:0;color:var(--muted);font-size:.95rem}

/* master electrician feature (About) */
.me-feature{display:flex;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 30px;margin-bottom:34px;box-shadow:var(--shadow-sm)}
.me-feature img{width:112px;height:auto;flex:none}
.me-feature h3{color:var(--navy);margin:0 0 .35rem}
.me-feature p{margin:0;color:var(--muted)}
@media(max-width:620px){.me-feature{flex-direction:column;text-align:center}}

/* Insights / article */
.article{max-width:720px}
.article .byline{font-family:var(--mono);font-size:.9rem;color:var(--muted)}
.article p{font-size:1.12rem;line-height:1.78;color:var(--ink);margin:0 0 1.3rem}
.article .endnote{margin-top:8px;font-weight:700;color:var(--navy);font-size:1.12rem}
.article-list .card .idx{color:var(--teal-d)}

/* FAQ */
.faq-item{padding:22px 0;border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item h3{margin:0 0 .45rem;color:var(--navy);font-size:1.18rem}
.faq-item p{margin:0;color:var(--muted);max-width:74ch;line-height:1.65}

/* stats + chips (About) */
.statn{font-size:2.2rem;font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.02em}
.statl{color:var(--muted);font-size:.92rem;margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{font-family:var(--mono);font-size:.82rem;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px}

/* credential groups (About) */
.credgroup{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.credgroup .gh{background:var(--navy);color:#fff;padding:13px 20px;font-family:var(--mono);font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}
.credgroup ul{list-style:none;margin:0;padding:6px 20px 12px}
.credgroup li{padding:11px 0;border-bottom:1px solid var(--line);font-size:.98rem}
.credgroup li:last-child{border-bottom:0}
.credgroup li b{color:var(--navy)}

/* cert marks placeholder */
.certmarks{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center}
.certmark{min-height:92px;min-width:138px;padding:14px 18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);border-radius:8px;color:var(--navy);font-size:.78rem;font-weight:700;letter-spacing:.04em;background:#fff;text-align:center;font-family:var(--mono);box-shadow:var(--shadow-sm)}
.certmark img.cm-logo{max-height:52px;max-width:148px;width:auto;object-fit:contain}

/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.92rem;color:var(--navy)}
.field input,.field select,.field textarea{font-family:inherit;font-size:1rem;color:var(--ink);padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(21,155,138,.15)}
.field textarea{min-height:140px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted)}
.form-status{font-size:.9rem;color:var(--teal-d);margin-top:10px}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:40px 40px}
.cta-band .wrap{position:relative;z-index:1;padding:72px 32px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0;max-width:22ch}
.cta-band p{color:var(--lblue);margin:.5rem 0 0}

/* footer */
.site-footer{background:var(--navy2);color:var(--lblue);padding:58px 0 26px}
.site-footer a{color:var(--lblue)}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-logo{background:#fff;border-radius:10px;padding:13px 15px;display:inline-block}
.footer-logo img{height:52px}
.site-footer h4{color:#fff;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:13px;font-family:var(--mono)}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:9px}
.footer-links a{font-size:.94rem}
.footer-contact{font-size:.95rem;line-height:1.9}
.footer-note{font-size:.92rem;margin-top:14px;max-width:36ch}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{display:inline-flex;border:0;padding:0}
.footer-social a:hover{opacity:.82}
.footer-social img{width:26px;height:26px;display:block}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:rgba(255,255,255,.6)}

/* utilities */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.prose p{max-width:68ch}
.spacer{height:8px}

/* responsive */
@media(max-width:1100px){
  .grid-5{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:28px}
  .pillars{grid-template-columns:1fr}
  .usecases{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
}
@media(max-width:1200px){
  .nav{position:fixed;inset:78px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 18px;box-shadow:var(--shadow-md);transform:translateY(-135%);transition:transform .25s ease;max-height:calc(100vh - 78px);overflow:auto}
  .nav.open{transform:translateY(0)}
  .nav a:not(.btn){padding:13px 2px;border-bottom:1px solid var(--line)}
  .nav-item{width:100%;flex-direction:column;align-items:stretch}
  .nav-sub-toggle{width:100%;justify-content:space-between;padding:13px 2px;border-bottom:1px solid var(--line)}
  .nav-sub{position:static;min-width:0;border:0;border-radius:0;box-shadow:none;padding:2px 0 8px 12px}
  .nav-sub a:not(.btn){font-size:.95rem}
  .nav-cta{margin:14px 0 0}
  .nav-cta .btn{width:100%}
  .nav-toggle{display:block}
}
@media(max-width:760px){
  .grid-2,.grid-4,.grid-5{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:62px 0}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}