@font-face{font-family:Noto Armenian;src:url('../fonts/armenian-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Noto Armenian;src:url('../fonts/armenian-500.ttf') format('truetype');font-style:normal;font-weight:500;font-display:swap}@font-face{font-family:Noto Armenian;src:url('../fonts/armenian-600.ttf') format('truetype');font-style:normal;font-weight:600;font-display:swap}@font-face{font-family:Noto Armenian;src:url('../fonts/armenian-700.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}@font-face{font-family:Noto Armenian;src:url('../fonts/armenian-800.ttf') format('truetype');font-style:normal;font-weight:800;font-display:swap}
:root{--ink:#172332;--dark:#101b27;--muted:#66717f;--blue:#3988ff;--line:#e1e6eb;--paper:#f7f8fa;--font:'Noto Armenian',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.7;background:var(--paper);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #579aff;outline-offset:6px}::selection{background:#3988ff;color:white}.container{width:min(1280px,calc(100% - 112px));margin-inline:auto}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.skip-link{position:fixed;left:20px;top:-100px;padding:12px 20px;background:white;color:var(--ink);z-index:100}.skip-link:focus{top:15px}.header{height:94px;background:var(--dark);color:white;border-bottom:1px solid #ffffff12;position:relative;z-index:10}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;line-height:1.15;font-family:Arial,sans-serif;font-weight:800;font-size:20px;letter-spacing:-.65px}.brand-light{font-weight:400;color:#d6e0ea}.brand small{display:block;font-family:var(--font);font-weight:400;font-size:8px;letter-spacing:2.15px;color:#91a1b1;margin-top:8px}.navigation{display:flex;gap:32px;font-size:12px;color:#b9c5d1}.navigation a{transition:color .2s}.navigation a:hover{color:white}.header-call{display:flex;align-items:center;gap:12px;font-family:Arial,sans-serif;font-size:14px;font-weight:600;letter-spacing:.4px}.header-call .icon{color:#5f9dfc;width:18px;height:18px}.menu-toggle{display:none}.hero{background:var(--dark);color:white;position:relative;overflow:hidden}.hero-grid{position:absolute;inset:0 0 0 37%;background-image:linear-gradient(#6b8ca110 1px,transparent 1px),linear-gradient(90deg,#6b8ca110 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,transparent,#000 35%,#000);pointer-events:none}.hero:after{content:'';position:absolute;right:3%;top:10%;width:40%;height:70%;background:radial-gradient(ellipse,#1d4c6f30,transparent 65%);pointer-events:none}.hero-main{position:relative;display:grid;grid-template-columns:1fr 1.1fr;align-items:center;min-height:647px;gap:8px;z-index:1}.hero-copy{padding:55px 0 66px;position:relative;z-index:2}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:600;line-height:1.6;display:flex;align-items:center;gap:12px;margin:0 0 28px;color:#98acc0}.status-dot{width:6px;height:6px;flex-shrink:0;background:#589eff;border-radius:50%;box-shadow:0 0 0 5px #3988ff10}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,3.55vw,52px);line-height:1.38;letter-spacing:-1.7px;font-weight:700;margin-bottom:24px}h1>span{color:#639fff}.hero-description{max-width:435px;font-size:13px;line-height:1.95;color:#a9b7c6;margin-bottom:32px}.hero-actions{display:flex;align-items:center;gap:24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:54px;padding:15px 22px;font-size:11px;font-weight:600;border-radius:3px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--blue);color:white}.button-primary:hover{background:#236de0}.button .icon{width:18px;height:18px}.text-link{font-size:10px;display:inline-flex;align-items:center;gap:10px;color:#d1dce6;white-space:nowrap}.text-link .icon{width:17px}.text-link:hover{color:#79b1ff}.hero-visual{position:relative;align-self:stretch;display:flex;align-items:center;justify-content:center;min-width:0}.building-drawing{width:112%;max-width:none;position:relative;margin-left:-20px}.drawing-heading{position:absolute;top:44px;left:20px;right:0;display:flex;justify-content:space-between;color:#71869a;font:9px monospace;letter-spacing:1.4px;z-index:1}.tiny-cross{color:#70a7e5;margin-right:9px}.drawing-caption{position:absolute;bottom:30px;left:20px;right:0;display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:7px;letter-spacing:1px;color:#688096}.drawing-status{display:flex;align-items:center;gap:8px}.drawing-status i{width:5px;height:5px;border-radius:50%;background:#50bba5}.hero-bottom{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #ffffff12;padding-block:23px}.scroll-link{display:flex;gap:13px;align-items:center;font-size:9px;color:#9baec0}.scroll-link>span{font-size:18px;color:#edf5ff}.system-legend{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px 27px;font-size:8px;color:#96a8bb}.system-legend>span{display:flex;align-items:center;gap:8px}.system-legend i{width:6px;height:6px;flex-shrink:0;border-radius:1px}.blue{background:#409bff}.teal{background:#47d3b3}.amber{background:#f0bd78}.red{background:#ff6262}.section{padding-block:92px}.services{background:#f7f8fa}.section-intro{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px;gap:40px}.dark-eyebrow{color:#697c92;font-size:9px;letter-spacing:1.6px;margin-bottom:21px}.dark-eyebrow:before{content:'';width:20px;height:2px;background:var(--blue)}h2{font-size:34px;line-height:1.5;letter-spacing:-.9px;font-weight:700;margin-bottom:0}.section-description{color:#65717e;font-size:12px;line-height:1.9;max-width:400px;margin:0 0 6px}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.service-card{--accent:#3988ff;display:flex;flex-direction:column;position:relative;background:white;min-width:0;border:1px solid #e1e6ed;border-radius:4px;padding:28px 28px 24px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}.service-card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 12px 35px #182c4a08}.drain-card{--accent:#208d80}.power-card{--accent:#be863b}.fire-card{--accent:#d94b4b}.service-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:35px}.service-icon{color:var(--accent);display:grid;place-items:center;width:61px;height:61px;border:1px solid color-mix(in srgb,var(--accent) 15%,white);background:color-mix(in srgb,var(--accent) 5%,white);border-radius:4px}.service-icon svg{width:34px;height:34px;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.service-number{font:11px monospace;color:#6d7d8e;padding-top:4px}.service-card h3{font-size:clamp(14px,1.2vw,17px);letter-spacing:-.5px;font-weight:600;margin-bottom:15px}.service-card p{font-size:12px;line-height:1.9;color:#63717e;margin-bottom:30px;max-width:290px;min-height:69px}.service-bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:20px;border-top:1px solid #e9edf1}.service-bottom>span:first-child{font-size:7px;letter-spacing:.8px;color:#647486}.circle-arrow{display:grid;place-items:center;width:33px;height:33px;border:1px solid #e3e9ef;border-radius:50%;color:#677789;transition:color .2s,background .2s,border-color .2s}.service-card:hover .circle-arrow{background:var(--accent);color:white;border-color:var(--accent)}.circle-arrow .icon{width:16px;height:16px}.card-line{position:absolute;bottom:0;left:28px;width:33px;height:2px;background:var(--accent)}.about{background:white;border-top:1px solid #e7ebef;padding-bottom:0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-visual{min-height:410px;position:relative;overflow:hidden;background:#142434;border-radius:3px}.about-visual>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:44% center;filter:grayscale(1);opacity:.63}.about-image-shade{position:absolute;inset:0;background:linear-gradient(180deg,#101b2740 25%,#101b27 100%)}.about-visual-top{position:absolute;top:24px;left:26px;right:26px;display:flex;justify-content:space-between;color:#e8eff5;font:9px monospace;letter-spacing:2px}.about-statement{position:absolute;bottom:30px;left:30px;right:26px;color:#fff}.mini-line{display:block;width:32px;height:3px;background:var(--blue);margin-bottom:20px}.about-statement p{font-size:21px;font-weight:500;line-height:1.7;letter-spacing:-.4px;margin-bottom:24px}.visual-note{font-size:7px;letter-spacing:1.6px;color:#9dabb8}.about-copy h2{font-size:32px;margin-bottom:23px}.about-copy>p:not(.eyebrow){font-size:12px;line-height:2.1;color:#63717e;margin-bottom:24px}.about-features{border-top:1px solid #e5eaf0;padding-top:20px;display:grid;gap:11px;font-size:10px;color:#455a6f}.about-features>div{display:flex;gap:11px;align-items:center}.about-features .icon{width:17px;height:17px;color:var(--blue)}.building-types{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:22px;border-top:1px solid #e6ebf0;padding-block:27px;margin-top:65px;font-size:10px;color:#697684}.building-types-label{font-size:8px;color:#647486;letter-spacing:1px}.building-types>span:not(:first-child):before{content:'+';color:#91a4b8;margin-right:11px}.contact{background:var(--dark);color:white;position:relative}.contact:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#6b8ca108 1px,transparent 1px),linear-gradient(90deg,#6b8ca108 1px,transparent 1px);background-size:60px 60px;pointer-events:none}.contact .container{position:relative}.contact-heading{display:flex;justify-content:space-between;align-items:center;gap:50px;margin-bottom:49px}.contact-heading h2{font-size:37px;line-height:1.55}.contact-heading .eyebrow{margin-bottom:21px;font-size:9px}.contact-invite{max-width:360px}.contact-invite p{font-size:12px;color:#9caec0;line-height:1.9;margin-bottom:23px}.contact-invite .button{font-size:11px;gap:45px}.contact-grid{display:grid;grid-template-columns:1fr 1.08fr 1fr;border-top:1px solid #ffffff16;border-bottom:1px solid #ffffff16}.contact-item{display:flex;gap:15px;position:relative;padding:30px 24px 30px 0;align-items:flex-start;transition:background .2s}.contact-item+ .contact-item{padding-left:26px;border-left:1px solid #ffffff16}.contact-icon{color:#6885a1;padding-top:2px}.contact-icon .icon{width:21px;height:21px}.contact-label{display:block;font-size:7px;letter-spacing:1.2px;color:#8298af;margin-bottom:9px}.contact-value{display:block;font-family:Arial,var(--font);font-size:17px;color:#e4ebf2;line-height:1.5}.phone-value{letter-spacing:.3px}.address-value{font-family:var(--font);font-size:12px;line-height:1.8}.contact-arrow{width:15px;height:15px;color:#617d98;margin-left:auto;margin-top:1px;transition:transform .2s,color .2s}.contact-item:hover .contact-arrow{transform:translate(2px,-2px);color:#85b7ff}.contact-item:hover .contact-value{color:#83b4ff}.footer{background:#0c1620;color:#778c9f;padding-block:26px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-brand{font-size:13px;gap:9px;letter-spacing:-.2px}.footer-brand .brand-light{color:#a9b7c4}.footer-inner p{font-size:8px;margin:0;color:#748699}.back-top{display:flex;align-items:center;gap:16px;font-size:8px}.back-top span{border:1px solid #ffffff20;width:28px;height:28px;display:grid;place-items:center;color:#c4d1de;font-size:15px}
@media(min-width:1600px){.hero-main{min-height:700px}.building-drawing{width:114%}}@media(max-width:1200px){.container{width:calc(100% - 72px)}.header-inner{gap:20px}.brand{font-size:17px;gap:9px}.brand small{font-size:7px;letter-spacing:1.6px}.brand>img{width:37px}.navigation{gap:24px;font-size:10px}.header-call{font-size:12px;gap:8px}.hero-main{min-height:615px;grid-template-columns:1fr 1fr}.hero-actions{gap:17px;flex-wrap:wrap}.hero-copy{padding-block:50px}.hero h1{font-size:41px}.button{padding:15px 19px;gap:20px}.hero-description{font-size:12px}.drawing-heading{font-size:7px;left:0}.drawing-caption{font-size:6px;left:0}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.service-card{padding:25px 23px}.service-card h3{font-size:15px}.service-bottom>span:first-child{font-size:6px}.about-grid{gap:50px}.about-copy h2{font-size:28px}.contact-item{gap:10px}.contact-item+.contact-item{padding-left:18px}.contact-value{font-size:15px}.contact-heading h2{font-size:34px}}@media(max-width:900px){.container{width:calc(100% - 48px)}.header{height:78px}.header-call{margin-left:auto}.header-call .icon{width:17px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:7px;width:36px;height:36px;border:1px solid #ffffff30;background:transparent;color:white;cursor:pointer;border-radius:3px}.menu-toggle>span{display:block;width:16px;height:1px;background:currentColor;margin-inline:auto;transition:transform .2s}.menu-toggle[aria-expanded=true]>span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true]>span:last-child{transform:translateY(-4px) rotate(-45deg)}.navigation{display:none;position:absolute;top:77px;left:0;right:0;background:#142230;box-shadow:0 15px 25px #0003;padding:14px 24px}.navigation.is-open{display:flex;flex-direction:column;gap:0}.navigation a{padding:15px 10px;font-size:13px;border-bottom:1px solid #ffffff0c}.navigation a:last-child{border:0}.hero-main{min-height:560px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:34px;letter-spacing:-1px}.eyebrow{font-size:8px;letter-spacing:1.2px}.hero-description{font-size:11px}.hero-actions{gap:20px}.hero-actions .button{font-size:10px}.hero-visual{margin-right:-15px}.building-drawing{width:130%;margin-left:-5px}.drawing-heading{top:40px;font-size:6px;letter-spacing:1px}.drawing-heading>span:last-child{display:none}.drawing-caption{bottom:38px;right:0;font-size:6px}.drawing-caption>span:last-child{display:none}.hero-bottom{gap:22px}.system-legend{font-size:6px;gap:15px}.scroll-link{font-size:7px;white-space:nowrap}.section{padding-block:65px}h2{font-size:28px}.section-description{font-size:10px;max-width:255px}.section-intro{gap:25px}.service-grid{gap:13px}.service-card{padding:21px 18px}.service-top{margin-bottom:29px}.service-icon{width:50px;height:50px}.service-icon svg{width:30px;height:30px}.service-card h3{font-size:12px;letter-spacing:-.3px}.service-card p{font-size:10px;min-height:76px}.service-bottom>span:first-child{font-size:5px;letter-spacing:0}.circle-arrow{width:27px;height:27px}.about{padding-bottom:0}.about-grid{gap:32px}.about-visual{min-height:390px}.about-statement p{font-size:17px}.about-copy h2{font-size:25px}.about-copy>p:not(.eyebrow){font-size:10px}.about-features{font-size:8px}.building-types{gap:17px;justify-content:flex-start;margin-top:45px;font-size:8px}.building-types-label{width:100%}.contact-heading h2{font-size:29px}.contact-invite{max-width:290px}.contact-invite p{font-size:10px}.contact-grid{grid-template-columns:1fr 1fr}.contact-item:last-child{grid-column:1/-1;padding-left:0;border-left:0;border-top:1px solid #ffffff16}.address-value br{display:none}.footer-inner{flex-wrap:wrap}.footer-inner p{font-size:7px}.back-top{margin-left:auto}}
@media(max-width:600px){html{scroll-padding-top:20px}.container{width:calc(100% - 40px)}.header{height:76px}.header-inner{gap:13px}.brand{font-size:15px;letter-spacing:-.5px;gap:8px}.brand>img{width:32px;height:37px}.brand small{font-size:6px;letter-spacing:1.05px;margin-top:6px}.header-call{width:31px;height:36px;justify-content:center}.header-call .icon{width:20px;height:20px}.header-call>span{display:none}.navigation{top:75px}.hero-grid{inset:0;background-size:38px 38px;mask-image:linear-gradient(180deg,transparent,#000)}.hero-main{display:flex;flex-direction:column;min-height:0;gap:0}.hero-copy{align-self:stretch;padding:43px 0 0}.hero .eyebrow{font-size:7px;letter-spacing:1.25px;margin-bottom:23px}.status-dot{width:5px;height:5px}.hero h1{font-size:clamp(31px,8.4vw,44px);line-height:1.4;letter-spacing:-1.2px;margin-bottom:21px}.hero-description{font-size:11px;line-height:1.95;max-width:350px;margin-bottom:25px}.hero-actions{gap:19px;align-items:center;flex-wrap:wrap}.hero-actions .button{font-size:10px;min-height:49px;gap:20px;padding:14px 17px}.hero-actions .text-link{font-size:9px}.hero-visual{align-self:center;width:100%;height:342px;margin:22px 0 0}.building-drawing{width:400px;max-width:120%;margin-left:0;margin-top:-5px}.drawing-heading{top:4px;left:0;right:0;font-size:6px;letter-spacing:1px}.drawing-heading>span:last-child{display:block}.drawing-caption{bottom:7px;left:0;right:0;font-size:5px}.drawing-caption>span:last-child{display:block}.hero-bottom{padding-block:20px;justify-content:center}.hero-bottom .scroll-link{display:none}.system-legend{display:grid;grid-template-columns:repeat(2,max-content);width:100%;justify-content:space-between;gap:10px 16px;font-size:6px}.system-legend>span{gap:5px}.system-legend i{width:5px;height:5px}.section{padding-block:55px}.dark-eyebrow{font-size:8px;letter-spacing:1.1px;margin-bottom:17px}h2{font-size:25px;line-height:1.5;letter-spacing:-.7px}.section-intro{display:block;margin-bottom:27px}.section-description{margin-top:18px;max-width:100%;font-size:11px}.desktop-break{display:none}.service-grid{grid-template-columns:1fr;gap:15px}.service-card{padding:25px 25px 20px}.service-top{margin-bottom:22px}.service-icon{width:52px;height:52px}.service-number{font-size:11px}.service-card h3{font-size:clamp(14px,4.6vw,18px);margin-bottom:13px}.service-card p{font-size:12px;max-width:320px;min-height:0;margin-bottom:23px}.service-bottom{padding-top:17px}.service-bottom>span:first-child{font-size:7px;letter-spacing:.6px}.circle-arrow{width:32px;height:32px}.card-line{left:25px}.about{padding-bottom:0}.about-grid{display:flex;flex-direction:column-reverse;gap:29px}.about-copy h2{font-size:26px;margin-bottom:20px}.about-copy>p:not(.eyebrow){font-size:12px;line-height:2}.about-features{font-size:10px;gap:13px}.about-visual{width:100%;min-height:335px}.about-statement{left:25px;bottom:26px}.about-statement p{font-size:20px}.about-visual-top{left:25px;right:25px}.building-types{margin-top:32px;padding-block:25px;gap:14px 20px;font-size:9px}.building-types-label{font-size:7px}.building-types>span:not(:first-child):before{margin-right:7px}.contact-heading{display:block;margin-bottom:31px}.contact-heading h2{font-size:28px}.contact-heading .eyebrow{font-size:8px}.contact-invite{margin-top:23px;max-width:100%}.contact-invite p{font-size:11px}.contact-invite .button{min-height:49px;font-size:10px;gap:35px}.contact-grid{grid-template-columns:1fr}.contact-item{padding:23px 0;gap:17px;align-items:center}.contact-item+.contact-item{padding:23px 0;border-left:0;border-top:1px solid #ffffff16}.contact-item:last-child{grid-column:auto}.contact-icon .icon{width:21px;height:21px}.contact-label{font-size:7px;margin-bottom:7px}.contact-value{font-size:18px}.address-value{font-size:12px}.contact-arrow{margin-top:0}.footer{padding-block:27px}.footer-inner{gap:23px 10px}.footer-brand{font-size:12px;gap:7px}.footer-brand>img{width:27px;height:30px}.footer-inner p{order:3;width:100%;font-size:7px;line-height:1.9;border-top:1px solid #ffffff0e;padding-top:19px}.back-top{font-size:7px;gap:8px}.back-top span{width:25px;height:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Original Prof Engineering identity. */
.header{height:110px;background:#fff;color:var(--ink);border-bottom-color:#e7ebf0}
.logo-brand{display:block;line-height:0}
.header .logo-brand>img{width:126px;height:auto}
.navigation{color:#536170}
.navigation a:hover{color:#236de0}
.header-call .icon{color:#9d843c}
.footer{background:#fff;color:#657486;border-top:1px solid #e7ebf0}
.footer .logo-brand>img{width:108px;height:auto}
.footer-inner p{color:#657486}
.back-top span{border-color:#dce2e8;color:#536170}
@media(max-width:900px){.header{height:98px}.header .logo-brand>img{width:112px}.menu-toggle{color:#263747;border-color:#d7dfe7}.navigation{top:97px;background:white;box-shadow:0 15px 25px #17233212}.navigation a{border-bottom-color:#e7ebf0}}
@media(max-width:600px){.header{height:94px}.header .logo-brand>img{width:106px;height:auto}.navigation{top:93px}.header-call .icon{color:#9d843c}.footer .logo-brand>img{width:102px;height:auto}.footer-inner p{border-top-color:#e7ebf0}}

/* Compact contact invitation. */
.contact-heading #contact-title{font-size:9px;line-height:1.6;letter-spacing:1.7px;font-weight:600;margin:0}
.contact-heading .contact-invite{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:20px 28px;max-width:none}
.contact-invite p{margin:0}
@media(max-width:600px){.contact-heading .contact-invite{justify-content:flex-start;gap:16px 22px}.contact-heading #contact-title{font-size:8px}}