@font-face{font-family:Poppins;font-weight:400;font-display:swap;src:url(../assets/fonts/poppins-400.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:500;font-display:swap;src:url(../assets/fonts/poppins-500.woff2) format("woff2")}
@font-face{font-family:Poppins;font-weight:700;font-display:swap;src:url(../assets/fonts/poppins-700.woff2) format("woff2")}
:root{--ink:#06130f;--deep:#0a2a21;--green:#0b5a43;--g2:#13805f;--gold:#f2b01e;--paper:#f1f4f0;--line:#cfd9d3;--steel:#8fa39b;--mute:#52665e;--w:1240px;--ease:cubic-bezier(.2,.7,.2,1);--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font:400 17px/1.65 Poppins,system-ui,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit}ul,ol{list-style:none}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.wrap{max-width:var(--w);margin:auto;padding:0 28px}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--gold);color:var(--ink);padding:8px 14px;z-index:99}
section{padding:112px 0;position:relative}.dk{background:var(--ink);color:#fff}.dp{background:var(--deep);color:#fff}
.k{font:500 11.5px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--g2);margin-bottom:18px;display:flex;gap:12px;align-items:center}.k:before{content:"";width:28px;height:1px;background:currentColor}.dk .k,.dp .k,.hero .k{color:var(--gold)}
h1,h2,h3{font-weight:700;line-height:1.04;letter-spacing:-.025em}
h1{font-size:clamp(44px,8vw,118px);letter-spacing:-.04em;line-height:.96;max-width:1000px}
h2{font-size:clamp(32px,4.6vw,62px);margin-bottom:22px;max-width:860px}h2 em,h1 em{font-style:normal;color:var(--gold)}
.lead{font-size:1.08rem;max-width:60ch;color:var(--mute)}.dk .lead,.dp .lead{color:#b8cac2}
.btn{display:inline-flex;gap:10px;align-items:center;padding:15px 28px;border-radius:2px;font:600 15px Poppins;background:var(--gold);color:var(--ink);border:2px solid var(--gold);text-decoration:none;cursor:pointer;transition:transform .3s var(--ease),background .3s}
.btn:hover{transform:translateY(-3px);background:#ffc440}.btn.o{background:none;color:#fff;border-color:#ffffff66}.btn.o:hover{border-color:var(--gold);color:var(--gold);background:none}.btn.sm{padding:10px 20px;font-size:14px}
/* group strip + header */
.gs{background:#030a08;color:#9db3aa;font:400 12px var(--mono);letter-spacing:.04em}.gs .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:9px;padding-bottom:9px}.gs a{color:var(--gold);text-decoration:none}.gs a:hover{text-decoration:underline}
header{position:sticky;top:0;z-index:40;background:#06130ff2;backdrop-filter:blur(14px);color:#fff;border-bottom:1px solid #ffffff14}
.bar{display:flex;align-items:center;justify-content:space-between;height:78px}.brand{display:flex;gap:13px;align-items:center;text-decoration:none}.brand img{height:50px;width:auto}.brand b{display:block;font-size:19px;letter-spacing:-.01em;line-height:1}.brand small{display:block;font:400 10px var(--mono);letter-spacing:.3em;color:var(--gold);margin-top:5px}
nav{display:flex;gap:28px;align-items:center;font-size:14.5px;font-weight:500}nav a{text-decoration:none;opacity:.85}nav a:hover{opacity:1;color:var(--gold)}nav .btn{opacity:1;color:var(--ink)}nav .btn:hover{color:var(--ink)}
.menu{display:none;background:none;border:1px solid #fff5;color:#fff;border-radius:2px;padding:8px 16px;font:600 14px Poppins;cursor:pointer}
/* hero */
.hero{padding:0;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate;min-height:calc(100svh - 120px);display:flex;align-items:flex-end}
.hero .ph{position:absolute;inset:0;z-index:-3}.hero .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.15) brightness(.7)}
.hero:before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(105deg,#06130ff5 20%,#0a2a21b8 55%,#0b5a4366);mix-blend-mode:multiply}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,#06130f 0%,#06130f00 45%),repeating-linear-gradient(0deg,#ffffff08 0 1px,transparent 1px 64px),repeating-linear-gradient(90deg,#ffffff08 0 1px,transparent 1px 64px)}
.hero .wrap{padding-top:90px;padding-bottom:70px;width:100%}.hero .lead{color:#c9d8d1;margin-top:26px}.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero h1 .ln{display:block;overflow:hidden}.hero h1 .ln>span{display:block;transform:translateY(105%);animation:up 1s var(--ease) forwards}.hero h1 .ln:nth-child(2)>span{animation-delay:.12s}.hero h1 .ln:nth-child(3)>span{animation-delay:.24s}@keyframes up{to{transform:none}}
.hero .k,.hero .lead,.hero .cta{opacity:0;animation:fd 1s .5s forwards}@keyframes fd{to{opacity:1}}
.spec{position:absolute;right:28px;bottom:70px;font:400 11px var(--mono);letter-spacing:.14em;color:#9db3aa;text-transform:uppercase;text-align:right;line-height:2}.spec b{color:var(--gold);font-weight:500}
.tick{background:var(--gold);color:var(--ink)}.tick ul{display:flex;max-width:var(--w);margin:auto}.tick li{flex:1;padding:22px 28px;font-size:13.5px;line-height:1.35;border-right:1px solid #06130f2e;font-weight:500}.tick li:last-child{border:0}.tick b{display:block;font-size:24px;letter-spacing:-.02em;line-height:1.1}
/* divisions */
.div{margin-top:46px;border-top:1px solid #ffffff22}.div li{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:26px 0;border-bottom:1px solid #ffffff22;transition:padding .35s var(--ease),background .35s;cursor:default}
.div li:hover{padding-left:20px;background:#ffffff08}.div .n{font:500 14px var(--mono);color:var(--gold)}.div h3{font-size:clamp(22px,3vw,40px)}.div .t{font:400 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#7f988e}
/* electrical */
.el{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}.el ul{margin:30px 0}
.el li{display:flex;gap:16px;align-items:center;padding:15px 18px;border:1px solid var(--line);border-left:3px solid var(--line);background:#fff;margin-bottom:8px;font-weight:500;cursor:pointer;transition:.3s var(--ease)}
.el li span{font:500 12px var(--mono);color:var(--g2)}.el li.hl,.el li:hover{border-left-color:var(--gold);background:var(--deep);color:#fff;transform:translateX(8px)}.el li.hl span,.el li:hover span{color:var(--gold)}
.dia{background:var(--ink);border-radius:4px;padding:18px;position:relative;box-shadow:0 40px 70px -40px #06130f}.dia:before{content:"SINGLE-LINE SCHEMATIC · ILLUSTRATIVE";position:absolute;top:16px;left:20px;font:400 10px var(--mono);letter-spacing:.2em;color:#6c867c}
.dia svg{width:100%;height:auto;display:block;color:#d6e4dd}.dia text{font:500 12.5px var(--mono);fill:#8fa39b;letter-spacing:.06em}.dia .g{cursor:pointer;transition:.3s}
.dia .g *{stroke:currentColor;fill:none;stroke-width:2;transition:stroke .3s,filter .3s}.dia .g text{fill:#8fa39b;stroke:none}
.dia .g.hl *,.dia .g:hover *{stroke:var(--gold)}.dia .g.hl text,.dia .g:hover text{fill:var(--gold)}.dia .g.hl{filter:drop-shadow(0 0 8px #f2b01e88)}
.dia .bus{stroke-width:7;stroke:#d6e4dd}.dia .encl{stroke-dasharray:6 6;stroke-width:1.5;stroke:#4c6a5f}.dia .flow{stroke:var(--gold);stroke-width:2;stroke-dasharray:5 9;animation:fl 1.6s linear infinite;fill:none}@keyframes fl{to{stroke-dashoffset:-28}}
/* mechanical */
.mech{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--deep);color:#fff}.mech .im{position:relative;min-height:520px;overflow:hidden}.mech .im img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.4) contrast(1.1)}
.mech .im:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 60%,var(--deep))}.mech .tx{padding:90px 56px;align-self:center}
.mech .lead{color:#b8cac2}.mech li{display:flex;gap:16px;padding:16px 0;border-top:1px solid #ffffff1f;color:#d3e1db}.mech li:before{content:"→";color:var(--gold);font-weight:700}.mech ul{margin-top:26px}
/* supply */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 22px}.tabs button{padding:10px 18px;border:1px solid var(--line);background:#fff;font:500 13.5px Poppins;cursor:pointer;border-radius:2px;transition:.25s}.tabs button:hover{border-color:var(--g2)}.tabs button[aria-pressed=true]{background:var(--ink);color:var(--gold);border-color:var(--ink)}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}.item{display:flex;justify-content:space-between;gap:12px;align-items:center;text-align:left;padding:16px 18px;background:#fff;border:1px solid var(--line);font:500 14.5px Poppins;cursor:pointer;transition:.25s;color:var(--ink)}
.item i{font:700 20px/1 var(--mono);font-style:normal;color:var(--g2);transition:transform .3s}.item:hover{border-color:var(--g2)}.item[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.item[aria-pressed=true] i{transform:rotate(45deg);color:var(--gold)}
.sel{margin-top:26px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding:20px 24px;background:var(--ink);color:#fff}.sel p{flex:1;min-width:240px;font-size:.95rem;color:#c3d3cc}.sel b{color:var(--gold)}
/* clients */
.cl{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#ffffff1c;margin-top:40px;border:1px solid #ffffff1c}.cl li{background:#fff;display:flex;align-items:center;justify-content:center;height:130px;padding:24px}.cl img{max-height:70px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.85;transition:.4s}.cl li:hover img{filter:none;opacity:1}
.secs{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.secs span{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;border:1px solid #ffffff33;padding:8px 16px;color:#c3d3cc}
/* about */
.ab{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.ab .big{font-size:clamp(40px,6vw,86px);font-weight:700;letter-spacing:-.04em;line-height:.98}.ab .big span{display:block}.ab .big span:nth-child(2){color:var(--g2)}.ab .big span:nth-child(3){color:var(--gold);-webkit-text-stroke:0}
.vals{margin:34px 0}.vals li{display:flex;gap:18px;padding:18px 0;border-top:1px solid var(--line);align-items:baseline}.vals b{font:500 13px var(--mono);color:var(--g2)}.vals strong{font-size:1.2rem}
.grp{display:flex;gap:26px;align-items:center;padding:34px;background:var(--deep);color:#fff;margin-top:34px}.grp img{width:72px;flex:none}.grp p{color:#c3d3cc;font-size:.95rem}.grp a{color:var(--gold);font-weight:600;text-decoration:none;display:inline-block;margin-top:6px}
/* contact */
.rq{display:grid;grid-template-columns:.9fr 1.2fr;gap:70px}.cc{margin-top:32px}.cc li{padding:15px 0;border-top:1px solid #ffffff22}.cc span{display:block;font:500 11px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}.cc a,.cc p{font-size:1.15rem;font-weight:500;text-decoration:none;color:#fff}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}label{display:block;font:500 11.5px var(--mono);margin-bottom:7px;letter-spacing:.12em;text-transform:uppercase;color:#9db3aa}
input,select,textarea{width:100%;padding:14px 16px;border-radius:2px;border:1px solid #ffffff2e;background:#0d1f19;font:400 16px Poppins;color:#fff}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
.chk{display:flex;gap:10px;align-items:flex-start;font:400 13px/1.5 Poppins;text-transform:none;letter-spacing:0;color:#b8cac2}.chk input{width:auto;margin-top:3px}.hp{position:absolute;left:-9999px}#fm{margin-left:14px;font-size:14px;color:var(--gold)}
footer{background:#030a08;color:#8fa39b;padding:34px 0;font-size:13.5px}footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}footer a{color:#fff}
.rv{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform .9s var(--ease)}.rv.in{opacity:1;transform:none}
@media(max-width:1000px){.el,.ab,.rq{grid-template-columns:1fr;gap:44px}.mech{grid-template-columns:1fr}.mech .im{min-height:340px}.mech .im:after{background:linear-gradient(0deg,var(--deep),transparent 60%)}.mech .tx{padding:56px 28px}.cl{grid-template-columns:repeat(2,1fr)}.tick ul{flex-wrap:wrap}.tick li{flex:1 1 50%}.spec{display:none}.div li{grid-template-columns:56px 1fr}.div .t{display:none}}
@media(max-width:780px){body{font-size:16px}section{padding:76px 0}.menu{display:block}nav{position:absolute;top:78px;left:0;right:0;background:#06130ffa;flex-direction:column;align-items:flex-start;padding:22px 28px 30px;gap:18px;transform:translateY(-140%);transition:transform .4s var(--ease);z-index:-1}nav.open{transform:none}form{grid-template-columns:1fr}.gs span:last-child{display:none}.grp{flex-direction:column;align-items:flex-start}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv,.hero h1 .ln>span,.hero .k,.hero .lead,.hero .cta{opacity:1;transform:none}html{scroll-behavior:auto}}

.cl li:last-child:nth-child(4n+3){grid-column:span 2}.grp img{background:#fff;padding:8px;border-radius:4px;width:84px}

/* ===== v3 multi-page additions ===== */
.noscript-rv .rv{opacity:1;transform:none}
header nav a.on{opacity:1;color:var(--gold)}
.phero{background:var(--ink);color:#fff;padding:96px 0 84px;position:relative;overflow:hidden;isolation:isolate}
.phero:after{content:"";position:absolute;inset:0;z-index:-1;background:repeating-linear-gradient(0deg,#ffffff08 0 1px,transparent 1px 64px),repeating-linear-gradient(90deg,#ffffff08 0 1px,transparent 1px 64px),linear-gradient(120deg,#0a2a21 0%,#06130f 70%)}
.phero h1{font-size:clamp(38px,6vw,84px);max-width:1000px}.phero h1 em{font-style:normal;color:var(--gold)}.phero .lead{margin-top:24px;color:#c3d3cc}.phero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.crumb{font:400 12px var(--mono);letter-spacing:.08em;color:#8fa39b;margin-bottom:26px}.crumb a{color:var(--gold);text-decoration:none}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:44px}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--line);padding:30px 28px 26px;display:flex;flex-direction:column;gap:12px;transition:.35s var(--ease)}
.card:hover{border-top-color:var(--gold);transform:translateY(-4px);box-shadow:0 26px 40px -30px #06130f66}
.card .n{font:500 12px var(--mono);color:var(--g2);letter-spacing:.14em}.card h3{font-size:1.3rem;letter-spacing:-.01em;line-height:1.2}.card p{color:var(--mute);font-size:.97rem;flex:1}
.card a.more{font-weight:600;font-size:14px;color:var(--green);text-decoration:none;margin-top:6px}.card a.more:hover{color:var(--ink);text-decoration:underline}
.dk .card{background:#0d1f19;border-color:#ffffff1f;border-top-color:#ffffff1f}.dk .card p{color:#b8cac2}.dk .card h3{color:#fff}.dk .card a.more{color:var(--gold)}
.panel{margin-top:18px;padding:22px 24px;background:#0d1f19;border:1px solid #ffffff1f;border-left:3px solid var(--gold);color:#fff}
.panel small{display:block;font:500 11px var(--mono);letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin-bottom:8px}.panel h3{font-size:1.25rem;margin-bottom:6px}.panel p{color:#b8cac2;font-size:.95rem}.panel .btn{margin-top:14px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}.facts div{background:#fff;padding:22px 24px}.facts span{display:block;font:500 11px var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--g2);margin-bottom:6px}.facts b{font-size:1.05rem}
.band{background:var(--gold);color:var(--ink);padding:54px 0}.band .wrap{display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap}.band h2{font-size:clamp(26px,3.4vw,42px);margin:0;max-width:640px}.band .btn{background:var(--ink);color:var(--gold);border-color:var(--ink)}
.prose{max-width:760px}.prose h2{font-size:1.5rem;margin:40px 0 10px;letter-spacing:-.01em}.prose p,.prose li{color:var(--mute);margin-bottom:12px}.prose ul{list-style:disc;padding-left:22px}
.sel .clr{background:none;border:0;color:#c3d3cc;text-decoration:underline;font:500 14px Poppins;cursor:pointer}
.fgrp{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-bottom:26px}.fgrp h4{font:500 11px var(--mono);letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin-bottom:12px}.fgrp li{margin-bottom:7px}.fgrp a{text-decoration:none;color:#c3d3cc}.fgrp a:hover{color:var(--gold)}
footer .base{border-top:1px solid #ffffff14;padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;width:100%}
.stk{position:fixed;left:0;right:0;bottom:0;z-index:35;display:none;background:var(--gold);padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));text-align:center}.stk a{font-weight:700;color:var(--ink);text-decoration:none}
@media(max-width:780px){.stk{display:block}body{padding-bottom:56px}.fgrp{grid-template-columns:1fr}.phero{padding:70px 0 60px}}
.dia .g *{pointer-events:all}.dia .g.hl rect:not(.encl),.dia .g:hover rect:not(.encl){fill:#0d2a20}