@font-face{font-family:BrandTech;src:url('./Audiowide-Regular.ttf') format('truetype');font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.6;background:var(--paper);color:var(--ink);--paper:#f6f4ef;--ink:#23252b;--muted:#62666b;--accent:#b84e15;--line:#c9c8c2;--button:#bf4d12;--on-button:white;--panel:#eeede7;--electric:#c95e23;--spda:#477b94}body.v2{--paper:#0b1822;--ink:#edf3f5;--muted:#a5b5c1;--accent:#65dcc7;--line:#30414f;--button:#99e8d7;--on-button:#102a30;--panel:#10232e;--electric:#ffc77f;--spda:#65dcc7}body.v3{--paper:#f6f4ee;--ink:#302f2b;--muted:#6e6c63;--accent:#905c39;--line:#cecbc1;--button:#333d37;--on-button:#fff;--panel:#edeae1;--electric:#ae6a38;--spda:#6c847b}
img,svg{max-width:100%}img{display:block}a{color:inherit}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.08}h1,h2{font-weight:600;letter-spacing:-.055em}h1{font-size:clamp(3rem,5.4vw,5.2rem)}h2{font-size:clamp(2rem,3.2vw,3.1rem)}h3{font-size:1.2rem;letter-spacing:-.025em}h1 em,h2 em{font-style:normal;color:var(--accent)}p{color:var(--muted)}.wrap{width:min(1280px,calc(100% - 96px));margin:auto}.section{padding-block:88px}.eyebrow{font:600 .66rem/1.6 'Courier New',monospace;letter-spacing:.14em;color:var(--accent);margin-bottom:20px}.header-inner{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:1.15rem/1.2 BrandTech,Arial,sans-serif}.brand img{width:44px;height:44px}.brand small{display:block;font:600 .56rem/1.5 Arial,sans-serif;letter-spacing:.32em;margin-top:5px}.header-inner nav{display:flex;gap:32px;margin-left:auto;margin-right:30px;font-size:.78rem}.header-inner nav a{text-decoration:none}.header-inner nav a:hover{text-decoration:underline;text-underline-offset:6px}.button{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:14px 22px;font-size:.8rem;font-weight:700;text-decoration:none;border:1px solid transparent;line-height:1.4;transition:background .2s,border-color .2s}.button span{font-size:1.2rem}.primary{background:var(--button);color:var(--on-button)}.primary:hover{filter:brightness(1.08)}.secondary,.header-cta{border-color:var(--line);background:transparent;color:var(--ink)}.secondary:hover,.header-cta:hover{border-color:var(--accent)}.header-cta{min-height:44px;padding:11px 18px;font-size:.74rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero{padding:40px 0 0;position:relative}.hero-grid{display:grid;grid-template-columns:.95fr 1.15fr;gap:30px;align-items:center}.hero-copy{position:relative;z-index:1}.intro{font-size:.98rem;line-height:1.8;max-width:420px;margin-top:24px}.hero-assurance{display:flex;align-items:center;gap:12px;margin-top:30px;font-size:.7rem;line-height:1.6}.hero-assurance strong{font-weight:400;color:var(--ink)}.assurance-icon{border:1px solid var(--line);width:28px;height:32px;display:grid;place-items:center;color:var(--accent)}.hero-foot{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:24px 0;border-top:1px solid var(--line);margin-top:30px;font:.6rem/1.8 'Courier New',monospace;letter-spacing:.04em}.hero-foot a{text-decoration:none;font-family:Arial,sans-serif;font-size:.75rem;letter-spacing:0;white-space:nowrap}.hero-visual{position:relative;min-width:0}.model-stage{min-width:0}.stage-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;font:.58rem/1.7 'Courier New',monospace;letter-spacing:.09em;padding:15px 18px;border-bottom:1px solid var(--line);color:var(--muted)}.stage-bar i{width:5px;height:5px;border-radius:50%;display:inline-block;background:var(--accent);margin-right:6px}.model-stage figcaption{display:flex;justify-content:space-between;gap:15px;font:.55rem/1.7 'Courier New',monospace;color:var(--muted);padding:16px 18px;border-top:1px solid var(--line)}.model-stage figcaption b{display:inline-block;width:14px;height:2px;vertical-align:middle;margin:0 5px 0 10px}.legend-electric{background:var(--electric)}.legend-spda{background:var(--spda)}
/* Original SVG drawing system. */
.iso-model{width:100%;height:auto;display:block;color:var(--muted);overflow:visible}.iso-model polyline,.iso-model path{fill:none;stroke-linecap:round;stroke-linejoin:round}.ground-line{stroke:currentColor;stroke-width:.65;opacity:.17}.slab{fill:var(--slab,#e5e5df);stroke:var(--model-line,#8b969a);stroke-width:1.3}.slab-edge{fill:var(--slab-edge,#ced3d1);stroke:var(--model-line,#8b969a);stroke-width:1}.glass{fill:var(--glass,#98aeb3);fill-opacity:.14;stroke:var(--model-line,#8b969a);stroke-width:.8}.roof{fill:var(--roof,#dae0dd);fill-opacity:.5;stroke:var(--model-line,#8b969a);stroke-width:1.3}.column{stroke:var(--model-line,#8b969a);stroke-width:2.8}.wall{stroke:var(--model-line,#8b969a);stroke-width:4}.partition{fill:var(--slab-edge,#ced3d1);fill-opacity:.7;stroke:var(--model-line,#8b969a);stroke-width:.7}.partition-top{stroke:var(--model-line,#8b969a);stroke-width:.7}.stair{stroke:var(--model-line,#8b969a);stroke-width:1}.circuit{stroke:var(--electric);stroke-width:1.8}.trunk{stroke-width:2.4}.riser{stroke-width:3.3}.light-point{fill:var(--paper);stroke:var(--electric);stroke-width:1.2}.panel{fill:var(--electric);stroke:var(--electric);stroke-width:1.1}.spda-route,.air-terminal{stroke:var(--spda);stroke-width:1.9}.air-terminal{stroke-width:2.2}.earth{stroke:var(--spda);stroke-width:1.2;stroke-dasharray:5 5}.model-labels{stroke:var(--muted);stroke-width:.65;fill:var(--paper)}.model-labels text{fill:var(--muted);stroke:none;font:9px 'Courier New',monospace;letter-spacing:1px}.axis{stroke:var(--muted);stroke-width:1;opacity:.75}.axis text{fill:var(--muted);stroke:none;font:10px 'Courier New',monospace}.architecture,.electrical,.protection{transition:opacity .35s}.layer-controls{display:flex;justify-content:center;gap:4px;margin:-6px 0 16px;position:relative}.layer-controls button{font:.65rem Arial,sans-serif;border:1px solid var(--line);background:transparent;color:var(--muted);padding:10px 14px;min-height:40px}.layer-controls button[aria-pressed=true]{background:var(--accent);color:#0c252b;border-color:var(--accent)}[data-model-view=electrical] .protection{opacity:.14}[data-model-view=spda] .electrical{opacity:.12}[data-model-view=electrical] .architecture,[data-model-view=spda] .architecture{opacity:.5}
.section-heading{display:flex;justify-content:space-between;gap:36px;align-items:end;margin-bottom:40px}.section-heading>p{font-size:.82rem;line-height:1.8;max-width:260px}.service-card{min-width:0;position:relative}.service-index{font:.65rem 'Courier New',monospace;color:var(--accent)}.service-copy p{font-size:.85rem;line-height:1.75;margin-top:12px}.service-card a{font-size:.74rem;text-decoration:none;font-weight:700;display:flex;align-items:center;justify-content:space-between;min-height:44px;gap:12px}.service-card a:hover{color:var(--accent)}.service-card a span{font-size:1.2rem}.type-drawing{stroke:var(--ink);stroke-width:1.2}.type-drawing .type-circuit{stroke:var(--accent);stroke-width:2}.type-drawing circle{stroke:var(--accent);fill:var(--paper)}.process-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start}.steps{list-style:none;padding:0;margin:0;display:grid;gap:26px}.steps li{display:flex;gap:24px;border-bottom:1px solid var(--line);padding-bottom:24px}.steps li:last-child{border:0;padding-bottom:0}.step-number{font:.75rem 'Courier New',monospace;color:var(--accent);padding-top:4px}.steps h3{font-size:1.15rem}.steps p{font-size:.84rem;margin-top:10px;line-height:1.8}.about{padding:55px 0}.about-inner{display:grid;grid-template-columns:1.2fr 1fr auto;gap:48px;align-items:center}.about h2{font-size:1.85rem}.about .eyebrow{display:block;margin-bottom:10px}.about-inner>p{font-size:.8rem;line-height:1.8}.credential{display:flex;align-items:center;gap:12px;font:.57rem/1.8 'Courier New',monospace;border-left:1px solid var(--line);padding-left:30px}.credential-symbol{font-size:2.4rem;color:var(--accent)}.credential strong{display:block;font:600 1rem/1.6 Arial,sans-serif}.credential small{display:block;font-size:.56rem;white-space:nowrap}.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:100px;align-items:center}.contact-copy>p:not(.eyebrow){font-size:.9rem;line-height:1.85;max-width:365px;margin-top:22px}.contact-line{display:flex;align-items:center;width:210px;margin:35px 0;color:var(--accent)}.contact-line span{height:1px;background:currentColor;flex:1}.contact-line i{border:1px solid currentColor;width:10px;height:10px}.direct-contact{display:flex;align-items:start;flex-direction:column}.direct-contact>span,.direct-contact small{font-size:.7rem;color:var(--muted)}.phone-link{font-size:1.6rem;letter-spacing:-.03em;text-decoration:none;display:flex;align-items:center;gap:24px;padding:8px 0}.form-sheet{background:#fff;color:#26333a;border:1px solid var(--line)}.form-sheet-title{display:flex;justify-content:space-between;font:.6rem 'Courier New',monospace;letter-spacing:.08em;padding:15px 30px;border-bottom:1px solid #dde1e0;color:#69767d}form{padding:28px 30px}.form-intro{margin-bottom:25px}.form-intro h3{font-size:1.2rem}.form-intro p{font-size:.76rem;margin-top:8px;color:#637078}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-size:.74rem;font-weight:600;margin-bottom:18px}input,select,textarea{display:block;width:100%;min-width:0;background:#fafbf9;color:#22313a;border:1px solid #b2bebf;border-radius:0;font-size:1rem;padding:11px 12px;min-height:46px;margin-top:7px}textarea{resize:vertical}label small,.optional{font-size:.68rem;font-weight:400;color:#5a696f}.privacy{font-size:.65rem;line-height:1.7;color:#647179;margin:4px 0 18px}.privacy a{text-underline-offset:3px}form>.button{width:100%;background:#223b43;color:white}.button:disabled{opacity:.65;cursor:wait}#form-status{font-size:.8rem;line-height:1.6;margin-top:14px;color:#475b64}#form-status:empty{display:none}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 0;border-top:1px solid var(--line);font-size:.66rem;color:var(--muted)}.footer-brand{font-weight:700;text-decoration:none;color:var(--ink);letter-spacing:.05em}.confirmation{padding:80px 0;max-width:850px;min-height:75vh}.confirmation h1{font-size:clamp(2.5rem,5vw,4.5rem)}.confirmation>p:not(.eyebrow){margin-top:28px}.skip{position:absolute;top:-120px;left:16px;background:white;color:#172c34;padding:14px;z-index:100}.skip:focus{top:10px}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* V1: identity, structural contrast and an electrical presentation board. */
.v1 header{border-bottom:2px solid var(--ink)}.v1 .header-cta{background:var(--ink);color:white;border:0}.v1 h1{text-transform:uppercase;font-weight:800;line-height:.99;font-size:clamp(3.2rem,5.3vw,5.1rem)}.v1 h2{font-weight:700}.v1 .hero{background:linear-gradient(120deg,#f8f5ed 30%,#eeece8);padding-top:45px}.v1 .hero-grid{grid-template-columns:.9fr 1.1fr;gap:35px}.v1 .hero-visual{padding:15px 0 34px 24px}.v1 .hero-visual:before{content:"";position:absolute;inset:0 12px 22px 10px;background:#e47732;transform:rotate(-2deg)}.v1 .model-stage{position:relative;border:1px solid #797c77;background:#f1eee5;box-shadow:10px 10px 0 #252930;--electric:#c55215;--spda:#2755a1}.v1 .model-stage .iso-model{padding:5px}.v1 .stage-bar{color:#30373a;background:#e9e5d9;border-color:#aaa99d}.v1 .hero .primary{box-shadow:4px 4px 0 #252930}.v1 .hero .secondary{border-color:#252930}.drawing-stamp{position:absolute;bottom:16px;right:20px;background:#242931;color:#fff;padding:17px 21px;transform:rotate(3deg);border:1px solid #fff4;box-shadow:0 5px 12px #0002}.drawing-stamp>span{display:block;font:.48rem/1.8 'Courier New',monospace;letter-spacing:.08em}.drawing-stamp strong{display:block;font-size:1.2rem;line-height:1.05;margin:5px 0 10px}.v1 .service-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.v1 .service-card{padding:24px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;background:#f8f7f2}.v1 .service-card:first-child{grid-row:span 2;background:#e8e5db;justify-content:center}.v1 .type-drawing{width:125px;height:125px;align-self:center;margin:12px 0}.v1 .service-card:first-child .type-drawing{width:250px;height:250px;max-width:100%;margin:20px 0 30px}.v1 .service-card:first-child h3{font-size:2rem}.v1 .service-card a{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}.v1 .service-index{position:absolute;top:22px;left:24px}.v1 .service-copy{margin-top:auto}.v1 .service-card:hover{background:#f0ebe0}.v1 .process{background:#252b33;--ink:#f7f6f0;--muted:#c1c8cb;--line:#49515b;--accent:#ffb47b;color:var(--ink)}.v1 .process-layout{display:block}.v1 .steps{grid-template-columns:repeat(3,1fr);gap:36px;margin-top:40px}.v1 .steps li{display:block;border:0;border-top:1px solid var(--line);padding-top:24px}.v1 .step-number{display:block;margin-bottom:24px}.v1 .contact{background:#e9e6dc;border-top:1px solid #d0cabe}.v1 .form-sheet{border:1px solid #646861;box-shadow:7px 7px 0 #c25a25}.v1 form>.button{background:#b74b10}
/* V2: digital model workspace, layered construction, copper and cyan circuits. */
.v2 header{border-bottom:1px solid var(--line);background:#0b1822}.v2 .brand img{background:#f5f5ef;border-radius:50%;padding:3px}.v2 .header-cta{border-color:#4c6b70;color:#b2ecdf}.v2 .hero{background:radial-gradient(ellipse at 74% 42%,#163745 0%,#0b1822 60%)}.v2 .hero-grid{grid-template-columns:.85fr 1.2fr;gap:28px}.v2 .hero h1{font-weight:500;line-height:1.05;font-size:clamp(3rem,5.15vw,4.9rem);letter-spacing:-.055em}.v2 .hero h1 em{color:#87e4d1}.v2 .model-stage{border:1px solid #344a56;background:#0d1e29b0;box-shadow:0 20px 80px #0002;--slab:#1c3645;--slab-edge:#102836;--glass:#8fbfca;--model-line:#638592;--roof:#1e3d4a}.v2 .model-stage .iso-model{margin-block:4px}.v2 .model-stage .electrical{filter:drop-shadow(0 0 3px #f5af6850)}.v2 .services{background:#0e202c;border-block:1px solid #263d4a}.v2 .technical-services{display:grid;grid-template-columns:1.08fr 1fr;gap:55px;align-items:center}.v2 .service-model{--slab:#213c49;--slab-edge:#152d3a;--glass:#8fbfca;--model-line:#688c99;--roof:#284b55;min-width:0;background:linear-gradient(135deg,#132b37,#0e202c);border:1px solid #304a57;position:relative}.v2 .service-model .iso-model{max-height:430px}.v2 .service-model figcaption{font:.57rem/1.8 'Courier New',monospace;color:#9aafba;padding:16px 20px;border-top:1px solid #304a57}.v2 .service-grid{display:flex;flex-direction:column}.v2 .service-card{display:grid;grid-template-columns:24px 1fr 36px;gap:18px;padding:25px 0;border-top:1px solid #314754;align-items:center}.v2 .service-card:last-child{border-bottom:1px solid #314754}.v2 .service-card .service-index{align-self:start;padding-top:5px;color:#75a9ab}.v2 .service-copy h3{font-weight:500;font-size:1.35rem}.v2 .service-copy p{margin-top:8px;max-width:320px;font-size:.8rem}.v2 .service-card a{height:36px;justify-content:center;border:1px solid #49606b;border-radius:50%;min-height:36px}.v2 .service-card:hover a,.v2 .service-card:focus-within a{background:var(--accent);color:#102a30;border-color:var(--accent)}.v2 .service-card:hover h3,.v2 .service-card:focus-within h3{color:#99e8d7}.v2 .process-layout{grid-template-columns:1fr 1.2fr}.v2 .steps li{position:relative;padding-left:26px;border:0;border-left:1px solid #3e6266;margin-left:6px}.v2 .steps li:before{content:"";position:absolute;left:-4px;top:6px;width:7px;height:7px;border-radius:50%;background:var(--accent)}.v2 .about{background:#142c37;border-block:1px solid var(--line)}.v2 .about h2{font-weight:500}.v2 .contact{background:radial-gradient(ellipse at 10% 90%,#13303a,#0b1822 70%)}.v2 .form-sheet{border-color:#3e5c67;box-shadow:0 25px 70px #0003}.v2 .form-sheet-title{background:#17333d;color:#b5d7d9;border-color:#3e5c67}.v2 form>.button{background:#1b4c4b}
/* V3: executive drawing sheet, editorial architecture and warm paper. */
.v3 header .header-inner{border-bottom:1px solid var(--line)}.v3 .hero{padding-top:35px}.editorial-heading{position:relative;padding-right:180px}.v3 .hero h1{font-size:clamp(3.6rem,6.5vw,6.3rem);line-height:1.02;font-weight:500}.v3 .hero h1 em,.v3 h2 em{font-family:Georgia,'Times New Roman',serif;font-style:italic;font-weight:400;letter-spacing:-.06em}.editorial-index{position:absolute;right:0;bottom:10px;border-left:1px solid var(--line);padding-left:25px}.editorial-index>span{font:2rem Georgia,serif;color:var(--accent)}.editorial-index p{font-size:.7rem;margin-top:12px}.editorial-spread{display:grid;grid-template-columns:.8fr 1.65fr;gap:55px;align-items:center;margin-top:30px}.editorial-intro .intro{margin:0;font-size:.9rem;max-width:320px}.editorial-intro .actions{flex-direction:column;align-items:start;gap:8px}.editorial-intro .button{width:230px;justify-content:space-between}.editorial-intro .secondary{border:0;padding-left:0;width:180px}.editorial-note{font:.57rem/1.9 'Courier New',monospace;border-top:1px solid var(--line);padding-top:20px;margin-top:24px;max-width:220px}.drawing-sheet{background:#eeece3;border:1px solid #c3c0b4;padding:0 12px 12px;transform:rotate(-1.2deg);position:relative;box-shadow:9px 9px 0 #e3e0d7}.sheet-heading{display:flex;justify-content:space-between;font:.53rem 'Courier New',monospace;letter-spacing:.08em;padding:13px 9px;border-bottom:1px solid #cac6b8;color:#6d6c61}.floor-plan{display:block;width:100%;height:auto;color:#6b7067;stroke:currentColor;fill:none}.plan-grid{stroke-width:.55;opacity:.65}.plan-wall{stroke-width:5;stroke:#72776c}.plan-detail{stroke-width:.8;opacity:.85}.window-line{stroke:#eeece3;stroke-width:3.2}.plan-circuits{stroke:var(--electric);stroke-width:1.5}.plan-circuits .branch{stroke-dasharray:3 3;stroke-width:1}.plan-circuits circle{fill:#eeece3}.plan-notes{stroke-width:.65}.plan-notes text{fill:#6b7067;stroke:none;font:8px 'Courier New',monospace;letter-spacing:.3px}.drawing-sheet figcaption{font:.5rem 'Courier New',monospace;text-align:right;color:#77786d;padding:4px 8px}.v3 .hero-foot{margin-top:40px}.v3 .service-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);gap:0 50px}.v3 .service-card{display:grid;grid-template-columns:30px 85px 1fr 32px;gap:18px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}.v3 .service-index{align-self:start;padding-top:8px;font-size:.6rem}.v3 .type-drawing{width:85px;height:100px;stroke-width:1.4}.v3 .service-copy h3{font-size:1.25rem;font-weight:500}.v3 .service-copy p{font-size:.78rem;margin-top:9px}.v3 .service-card a{justify-content:center}.v3 .service-card:last-child{grid-column:1/-1;grid-template-columns:30px 85px 1fr 32px}.v3 .service-card:last-child p{max-width:470px}.v3 .service-card:hover .type-drawing{stroke:#9d663b}.v3 .process{background:#eae7de;border-block:1px solid #d4d0c4}.v3 .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.v3 .steps li{display:block;border:0;border-left:1px solid #c8c4b8;padding:0 0 0 22px}.v3 .step-number{display:block;font:italic 2rem Georgia,serif;color:#947357;margin-bottom:25px}.v3 .steps h3{font-size:1rem}.v3 .steps p{font-size:.8rem}.v3 .process-layout{grid-template-columns:.8fr 1.7fr;gap:50px}.section-symbol{font:1rem 'Courier New',monospace;color:#8d8b7b;margin-top:34px;display:flex;align-items:center;gap:12px}.section-symbol span{display:block;width:75px;overflow:hidden;letter-spacing:3px}.v3 .about-inner{grid-template-columns:1.1fr 1fr auto;gap:50px}.v3 .about h2{font-size:1.7rem;font-weight:500}.v3 .contact{background:#343b35;--ink:#f5f2e8;--muted:#c4c8bd;--accent:#d2af8e;--line:#646c60;color:var(--ink)}.v3 .form-sheet{box-shadow:9px 9px 0 #ffffff0b;border-color:#888d7d}.v3 .contact .form-sheet-title{background:#ece9df;color:#6b7067}.v3 form>.button{background:#343b35}
@media(min-width:1500px){.hero-grid,.v1 .hero-grid{gap:55px}.v2 .hero-grid{gap:65px}.v3 .editorial-spread{gap:75px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero-grid,.v1 .hero-grid,.v2 .hero-grid{gap:24px;grid-template-columns:1fr 1.1fr}.v1 h1,.v2 .hero h1{font-size:3.5rem}.hero .button{padding-inline:16px;gap:16px;font-size:.75rem}.header-inner nav{margin-right:0}.intro{font-size:.9rem}.v1 .hero-visual{padding-left:10px}.drawing-stamp{right:5px;padding:13px 16px}.section{padding-block:70px}.contact-grid{gap:55px}.about-inner,.v3 .about-inner{gap:25px}.credential{padding-left:20px}.v2 .technical-services{gap:32px}.v3 .service-grid{gap:0 28px}.v3 .service-card,.v3 .service-card:last-child{grid-template-columns:20px 65px 1fr 25px;gap:12px}.v3 .type-drawing{width:65px}.process-layout{gap:40px}.v3 .process-layout{grid-template-columns:1fr;gap:32px}.section-symbol{display:none}.editorial-spread{gap:35px}.v3 .hero h1{font-size:5rem}.model-stage figcaption{padding-inline:12px;font-size:.48rem}}
@media(max-width:800px){.wrap{width:calc(100% - 48px)}.header-inner{min-height:80px;gap:20px}.header-inner nav{gap:20px}.hero-grid,.v1 .hero-grid,.v2 .hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{max-width:600px}.hero h1,.v1 h1,.v2 .hero h1{font-size:4.6rem}.hero-visual{width:100%;max-width:650px;margin:auto}.v1 .hero-visual{padding:10px 15px 30px}.v1 .model-stage .iso-model{max-height:500px}.model-stage .iso-model{max-height:520px}.hero .intro{max-width:500px}.hero .actions{margin-top:25px}.hero-assurance{margin-top:22px}.hero-foot{align-items:start;font-size:.55rem}.section-heading{gap:30px}.section-heading h2{font-size:2.3rem}.v1 .service-grid{grid-template-columns:1fr 1fr}.v1 .service-card:first-child{grid-row:auto;grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0 25px;padding-top:30px}.v1 .service-card:first-child .type-drawing{grid-row:1/3;max-height:180px;margin:0;justify-self:center}.v1 .service-card:first-child .service-copy{margin:0}.v1 .service-card:first-child a{grid-column:2}.v1 .service-card:first-child h3{font-size:1.8rem}.v1 .service-copy{margin-top:0}.process-layout,.v2 .process-layout{grid-template-columns:1fr;gap:35px}.v1 .steps{gap:24px}.about-inner,.v3 .about-inner{grid-template-columns:1fr 1fr;gap:25px}.credential{grid-column:1/-1;border:0;padding:0}.credential-symbol{font-size:1.7rem}.credential strong{display:inline;margin-left:8px}.credential small{display:inline;margin-left:12px}.contact-grid{grid-template-columns:1fr;gap:35px}.contact-copy>p:not(.eyebrow){max-width:500px}.contact-line{margin:22px 0}.contact-copy h2{font-size:2.6rem}.v2 .technical-services{grid-template-columns:1fr;gap:28px}.v2 .service-model .iso-model{max-height:380px}.v2 .service-model{max-width:600px;width:100%;margin:auto}.v2 .service-card{padding-block:20px}.v2 .service-copy p{max-width:none}.v3 .editorial-heading{padding-right:0}.editorial-index{display:none}.v3 .hero h1{font-size:4.5rem}.editorial-spread{grid-template-columns:1fr;gap:28px}.editorial-intro{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}.editorial-intro .actions{margin:0;align-items:end}.editorial-intro .intro{max-width:none}.editorial-note{display:none}.drawing-sheet{margin:8px 6px 0 0;transform:rotate(-.7deg)}.v3 .service-grid{grid-template-columns:1fr}.v3 .service-card,.v3 .service-card:last-child{grid-template-columns:30px 95px 1fr 40px;gap:20px}.v3 .type-drawing{width:95px}.v3 .service-copy p{max-width:440px}.v3 .service-card:last-child{grid-column:auto}.v3 .steps{gap:25px}.model-stage figcaption{font-size:.55rem}.header-inner .brand{font-size:1rem}}
@media(max-width:540px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:74px;gap:12px}.brand img{width:35px;height:35px}.header-inner .brand{font-size:.9rem;gap:7px}.brand small{font-size:.47rem}.header-inner nav{display:none}.header-cta{padding:9px 11px;font-size:.66rem;gap:10px;min-height:40px}.hero,.v1 .hero,.v3 .hero{padding-top:30px}.eyebrow{font-size:.57rem;letter-spacing:.09em;margin-bottom:18px}.hero h1,.v1 h1,.v2 .hero h1{font-size:3.45rem;letter-spacing:-.055em}.v1 h1{font-size:3.1rem}.v2 .hero h1{font-size:3.25rem}.hero .intro{font-size:.9rem;line-height:1.75;margin-top:22px}.hero .actions{gap:10px}.hero .button{padding:13px 16px;font-size:.77rem;gap:18px;flex:1}.hero-assurance{font-size:.65rem}.hero-grid,.v1 .hero-grid,.v2 .hero-grid{gap:28px}.v1 .hero-visual{padding:6px 7px 24px}.v1 .hero-visual:before{inset:0 7px 20px 0}.v1 .model-stage{box-shadow:5px 5px 0 #252930}.stage-bar{padding:12px 10px;font-size:.48rem;letter-spacing:.02em;gap:8px}.model-stage figcaption{font-size:.45rem;padding:12px 9px;gap:8px}.model-stage figcaption b{width:9px;margin-inline:3px}.drawing-stamp{right:4px;bottom:4px;padding:9px 12px}.drawing-stamp strong{font-size:.9rem;margin-block:3px 6px}.drawing-stamp>span{font-size:.36rem}.layer-controls{margin:0 0 12px;gap:3px}.layer-controls button{padding:9px 10px;font-size:.6rem;min-height:38px}.hero-foot{flex-direction:column;gap:12px;padding:18px 0;margin-top:24px;font-size:.48rem;line-height:1.9}.hero-foot a{font-size:.7rem}.section{padding-block:48px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:2rem}.section-heading>p{margin-top:18px;font-size:.78rem;max-width:none}.v1 .service-grid{grid-template-columns:1fr}.v1 .service-card,.v1 .service-card:first-child{display:grid;grid-template-columns:80px 1fr;gap:0 18px;padding:22px 18px;grid-column:auto;align-items:center}.v1 .type-drawing,.v1 .service-card:first-child .type-drawing{width:80px;height:120px;margin:0;grid-column:1;grid-row:1/3}.v1 .service-card .service-index{top:10px;left:18px;font-size:.5rem}.v1 .service-card:first-child h3{font-size:1.2rem}.v1 .service-card a,.v1 .service-card:first-child a{grid-column:2;margin-top:12px;padding-top:8px;font-size:.69rem}.v1 .service-copy p{font-size:.78rem;margin-top:9px}.v1 .service-copy{margin:0}.v1 .steps{grid-template-columns:1fr;gap:26px;margin-top:28px}.v1 .steps li{display:flex;gap:22px;padding-top:20px}.v1 .step-number{margin:0}.steps li{gap:18px}.steps h3{font-size:1.1rem}.steps p{font-size:.8rem;margin-top:8px}.about{padding-block:38px}.about-inner,.v3 .about-inner{grid-template-columns:1fr;gap:20px}.about h2,.v3 .about h2{font-size:1.7rem}.about-inner>p{font-size:.79rem}.credential{grid-column:auto}.credential strong{font-size:.95rem}.credential small{font-size:.5rem;margin-left:10px}.contact-copy h2{font-size:2.5rem}.contact-copy>p:not(.eyebrow){font-size:.86rem}.contact-grid{gap:30px}.phone-link{font-size:1.4rem}.form-sheet-title{padding:13px 18px;font-size:.51rem}form{padding:24px 18px}.form-row{grid-template-columns:1fr;gap:0}.form-intro{margin-bottom:20px}.form-intro h3{font-size:1.15rem}.form-intro p{font-size:.7rem}.footer-inner{flex-wrap:wrap;gap:15px;font-size:.6rem;padding-block:22px}.footer-inner>span{order:3;width:100%}.v2 .service-card{grid-template-columns:20px 1fr 33px;gap:12px;padding-block:20px}.v2 .service-copy h3{font-size:1.2rem}.v2 .service-copy p{font-size:.78rem}.v2 .service-model figcaption{font-size:.5rem;padding:12px}.v2 .process-layout{gap:30px}.v2 .steps li{padding-left:20px}.v3 .hero h1{font-size:3.3rem}.editorial-spread{margin-top:24px;gap:26px}.editorial-intro{display:block}.editorial-intro .intro{font-size:.9rem;margin-top:0}.editorial-intro .actions{flex-direction:row;align-items:stretch;margin-top:24px;gap:10px}.editorial-intro .button{width:auto;flex:1;padding:13px 14px;font-size:.76rem;gap:12px}.editorial-intro .secondary{border:1px solid var(--line);padding-left:14px}.drawing-sheet{padding:0 3px 7px;box-shadow:5px 5px 0 #e3e0d7;overflow:hidden}.drawing-sheet .floor-plan{width:125%;max-width:none;margin-left:-8%}.sheet-heading{font-size:.44rem;padding:11px 9px}.drawing-sheet figcaption{font-size:.43rem}.v3 .hero-foot{margin-top:28px}.v3 .service-card,.v3 .service-card:last-child{grid-template-columns:16px 58px 1fr 24px;gap:12px;padding:22px 0}.v3 .type-drawing{width:58px;height:90px}.v3 .service-copy h3{font-size:1.15rem}.v3 .service-copy p{font-size:.76rem;line-height:1.7}.v3 .service-index{font-size:.5rem}.v3 .steps{grid-template-columns:1fr;gap:24px}.v3 .steps li{display:flex;gap:22px;border:0;border-top:1px solid #c8c4b8;padding:20px 0 0}.v3 .step-number{font-size:1.6rem;margin:0}.v3 .process-layout{gap:28px}.v3 .contact h2{font-size:2.4rem}.confirmation{padding-block:50px}.confirmation .actions .button{width:100%}}
@media(prefers-reduced-motion:no-preference){.model-stage .trunk{stroke-dasharray:600;stroke-dashoffset:600;animation:draw-circuit 1.8s .25s ease-out forwards}.v2 .light-point{animation:light-reveal 1.2s ease-out}@keyframes draw-circuit{to{stroke-dashoffset:0}}@keyframes light-reveal{from{opacity:.2}to{opacity:1}}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* V2: photovoltaic system integrated into the existing model. */
.v2{--solar:#a8c8ff}.pv-module{fill:#193e65;stroke:var(--solar);stroke-width:1.5}.pv-cell{fill:none;stroke:#8ab4e4;stroke-width:.65}.pv-inverter{fill:#254d75;stroke:var(--solar);stroke-width:1.5}.pv-flow{fill:none;stroke:var(--solar);stroke-width:2;stroke-dasharray:6 3}.photovoltaic{transition:opacity .25s}.legend-solar{background:var(--solar)}[data-model-view=electrical] .photovoltaic,[data-model-view=spda] .photovoltaic{opacity:.12}[data-model-view=solar] .electrical,[data-model-view=solar] .protection{opacity:.12}[data-model-view=solar] .architecture{opacity:.4}.solar-labels{fill:var(--solar);stroke:var(--solar)}.v2 .layer-controls{flex-wrap:wrap}.v2 .service-copy h3{line-height:1.2}
@media(max-width:540px){.v2 .hero h1{font-size:2.7rem}.v2 .actions .primary{flex:1.3}.v2 .actions .button{gap:10px;padding-inline:12px}.v2 .service-copy h3{font-size:1.1rem}.v2 .model-stage figcaption{flex-wrap:wrap}.v2 .layer-controls button{padding:10px 8px}}

/* Single shared WhatsApp handler: the floating link only adds its source. */
.whatsapp-float{position:fixed;right:calc(24px + env(safe-area-inset-right));bottom:calc(24px + env(safe-area-inset-bottom));width:60px;height:60px;display:grid;place-items:center;border-radius:50%;background:#25d366;color:#fff;z-index:40;box-shadow:0 4px 16px #0003;border:1px solid #ffffff35;text-decoration:none;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}
.whatsapp-float svg{width:32px;height:32px;display:block}.whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 7px 20px #0004}.whatsapp-float:focus-visible{outline:3px solid #fff;outline-offset:4px;box-shadow:0 0 0 7px #164b41}
.v2 #lead-form :is(input,select,textarea,button){scroll-margin-block:100px}
@media(max-width:800px){.whatsapp-float{width:54px;height:54px;right:calc(16px + env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom))}.whatsapp-float svg{width:30px;height:30px}.v2 footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}}
@media(prefers-reduced-motion:reduce){.whatsapp-float{transition:none}.whatsapp-float:hover{transform:none}}
/* Keep the fixed launcher outside the form's usable area. */
.v2 .form-sheet{margin-right:40px}
@media(max-width:800px){.v2 .form-sheet{margin-right:60px}}
@media(min-width:1440px){.v2 .form-sheet{margin-right:0}}

@media(min-width:801px){.v2 .footer-inner{padding-right:80px}}