/* Kamenov Engineering — clear typography, warm accents, practical navigation. */
:root{--ink:#142d38;--muted:#596b72;--paper:#fafbf8;--surface:#fff;--soft:#f0f3ee;--line:#dce2dc;--orange:#f9a348;--orange-hover:#ffb869;--navy:#112731;--on-dark:#c1cdd0;--radius:4px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Helvetica Neue",sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}body.dark-mode{--ink:#e9eeeb;--muted:#b2c1c4;--paper:#14272e;--surface:#1c333c;--soft:#1a3038;--line:#36505a;color-scheme:dark}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.13}h1,h2{font-weight:500;letter-spacing:-.045em}h3{font-weight:600;letter-spacing:-.025em}p{color:var(--muted)}:focus-visible{outline:3px solid #078aa8;outline-offset:5px}::selection{background:var(--orange);color:#112731}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.section{padding:104px 0}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.13em;line-height:1.6;margin-bottom:24px;color:var(--muted)}h2{font-size:clamp(32px,3.3vw,48px)}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:var(--orange);padding:12px}.skip-link:focus{top:12px}.utility-bar{background:var(--navy);color:#c1cdd0;font-size:11px;letter-spacing:.02em}.utility-bar .container{display:flex;justify-content:space-between;align-items:center;min-height:35px}.utility-bar span{display:flex;align-items:center;gap:9px}.utility-bar a{display:flex;gap:24px}.status-dot{width:5px;height:5px;background:var(--orange);border-radius:50%}.site-header{background:var(--paper);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:92px}.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;letter-spacing:-.025em;white-space:nowrap}.brand small{font-size:7px;letter-spacing:.16em;display:block;margin-top:2px;color:var(--muted)}.brand-image{width:64px;height:54px;overflow:hidden;flex-shrink:0;background:#fff;border-radius:3px}.brand-image img{width:130px;height:54px;max-width:none;margin-left:-33px;object-fit:contain}.nav-menu{display:flex;gap:29px;font-size:13px}.nav-menu a{position:relative;padding:8px 0}.nav-menu a:hover{color:#b95816}.nav-actions{display:flex;gap:15px;align-items:center}.languages{display:flex;gap:2px;font-size:11px}.languages a{padding:6px 8px;border-radius:2px;color:var(--muted)}.languages a[aria-current]{background:var(--ink);color:var(--paper)}.theme-toggle{border:0;border-left:1px solid var(--line);background:none;color:var(--ink);font-size:24px;line-height:1;padding:8px 0 8px 16px}.menu-toggle{display:none}.hero{background:var(--paper);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:54px;align-items:stretch;padding-top:54px;padding-bottom:54px}.hero-copy{padding:28px 0 18px}.hero .eyebrow{display:flex;gap:12px;align-items:center;font-size:10px}.small-line{display:inline-block;width:22px;height:2px;background:var(--orange)}h1{font-size:clamp(42px,4.5vw,65px);line-height:1.08;max-width:720px}h1 span{color:var(--muted)}.hero-intro{font-size:17px;line-height:1.75;margin-top:27px;max-width:510px}.hero-actions{display:flex;align-items:center;gap:23px;margin-top:33px;flex-wrap:wrap}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:24px;min-height:52px;padding:14px 21px;font-size:12px;font-weight:700;line-height:1.5;border:0;border-radius:var(--radius);transition:background .18s,transform .18s}.button-primary{background:var(--orange);color:#142731}.button-primary:hover{background:var(--orange-hover);transform:translateY(-2px)}.button span[aria-hidden]{font-size:19px;line-height:1}.button:disabled{opacity:.65;cursor:wait;transform:none}.text-link{display:inline-flex;gap:18px;align-items:center;font-size:12px;font-weight:700}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.hero-phone{display:flex;align-items:center;gap:12px;margin-top:44px}.phone-symbol{border:1px solid var(--line);width:37px;height:37px;border-radius:50%;display:grid;place-items:center}.hero-phone small{font-size:10px;color:var(--muted);display:block}.hero-phone a{font-size:16px;font-weight:600;letter-spacing:.01em}.hero-visual{position:relative;min-height:510px;background:#16333e;overflow:hidden;border-radius:3px;color:white}.hero-photo{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:66% center;filter:saturate(.6)}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,36,45,.23),transparent 30%,rgba(9,29,39,.9))}.visual-top{position:absolute;z-index:1;left:28px;right:28px;top:25px;display:flex;align-items:center;justify-content:space-between;font-size:8px;letter-spacing:.17em;font-weight:700;text-shadow:0 1px 3px #112731}.crosshair{font-size:26px;font-weight:400}.visual-caption{position:absolute;z-index:1;bottom:63px;left:30px;right:28px}.visual-rule{height:3px;width:34px;background:var(--orange);display:block;margin-bottom:17px}.visual-caption p{color:white;font-size:27px;letter-spacing:-.025em;line-height:1.2;max-width:330px}.visual-caption small{display:block;margin-top:18px;color:#d7e1e3;font-size:10px}.visual-coordinate{position:absolute;z-index:1;bottom:22px;left:30px;color:#b6cbd2;font-size:8px;letter-spacing:.15em}.sectors{border-block:1px solid var(--line);background:var(--soft)}.sectors .container{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.sectors span{display:flex;align-items:center;gap:14px;font-size:13px}.sectors .sectors-intro{font-size:9px;font-weight:700;letter-spacing:.13em;color:var(--muted)}.sectors i{font-style:normal;font-size:22px;color:#b45d1f}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:45px}.section-intro{max-width:370px;font-size:14px;line-height:1.8;padding-bottom:4px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.service-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.service-card:hover{border-color:#c08b50;transform:translateY(-4px)}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:29px}.service-icon{width:50px;height:50px;background:#f2f1e8;display:grid;place-items:center;border-radius:3px}.service-icon img{opacity:.8}.card-number{font-size:11px;color:var(--muted);font-family:monospace}.service-card h3{font-size:21px;margin-bottom:14px}.service-card>p{font-size:13px;line-height:1.8;flex:1}.card-link{display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:600;margin-top:28px;border-top:1px solid var(--line);padding-top:18px}.card-link span{font-size:19px;color:#b45d1f}.about{background:var(--navy);color:#fff}.about .eyebrow{color:#f9a348}.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:90px}.about h2{font-size:clamp(32px,3.2vw,45px)}.about-copy p{color:var(--on-dark);font-size:14px;line-height:1.85}.about-copy .large-copy{color:#e6edee;font-size:19px;line-height:1.7;margin-bottom:22px}.engineer{display:flex;align-items:center;gap:14px;margin-top:49px}.engineer-mark{width:46px;height:46px;border:1px solid #52626a;display:grid;place-items:center;color:var(--orange);font-size:14px}.engineer strong{font-size:13px;font-weight:500;display:block}.engineer small{font-size:10px;display:block;color:var(--on-dark);margin-top:4px}.principles{display:grid;gap:22px;border-top:1px solid #40535b;margin-top:30px;padding-top:28px}.principles>div{display:flex;gap:17px}.principles>div>span{color:var(--orange)}.principles h3{font-size:15px;margin-bottom:5px;font-weight:500}.principles p{font-size:12px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:47px}.steps article{border-top:1px solid var(--line);padding-top:24px}.step-number{display:block;font-family:monospace;font-size:13px;color:#ae5517;margin-bottom:27px}.steps h3{font-size:20px;margin-bottom:15px}.steps p{font-size:14px;max-width:320px}.faq{padding-top:76px;background:var(--soft);padding-bottom:76px}.faq-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:80px}.faq h2{font-size:37px}details{border-bottom:1px solid var(--line)}details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:23px 0;font-size:14px;font-weight:600}summary::-webkit-details-marker{display:none}summary span{font-size:21px;font-weight:400;transition:transform .2s}details[open] summary span{transform:rotate(45deg)}details p{font-size:14px;padding-bottom:24px;line-height:1.8}.contact-grid{display:grid;grid-template-columns:1fr 1.07fr;gap:90px}.contact h2{font-size:clamp(32px,3.2vw,45px)}.contact-intro{margin-top:23px;max-width:390px;font-size:14px}.contact-phone{display:flex;gap:25px;align-items:center;width:fit-content;font-size:30px;letter-spacing:-.03em;margin:29px 0}.contact-phone span{font-size:25px;color:#ae5517}.contact-info{display:grid;gap:18px}.contact-info small{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}.contact-info a,.contact-info address{font-size:13px;font-style:normal;overflow-wrap:anywhere}.contact-form-wrap{background:var(--soft);border:1px solid var(--line);padding:34px;border-radius:var(--radius)}.contact-form-wrap h3{font-size:23px;margin-bottom:27px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:17px}.form-group{margin-bottom:22px}label{display:block;font-size:11px;font-weight:600;margin-bottom:7px}input,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:12px;color:var(--ink);font-size:14px}textarea{resize:vertical;min-height:120px}textarea::placeholder{color:var(--muted);font-size:12px}.form-note{font-size:10px;line-height:1.7;margin-bottom:21px}.contact-form-wrap .button{width:100%}#formMessage{font-size:13px;margin-top:15px}#formMessage:empty{display:none}#formMessage.success{color:#187047}#formMessage.error{color:#b33622}.dark-mode #formMessage.success{color:#9be4ae}.dark-mode #formMessage.error{color:#ffb4a4}footer{background:var(--navy);color:white;padding-top:51px}.footer-top{display:grid;grid-template-columns:1fr auto auto;gap:75px;align-items:start;padding-bottom:45px}.footer-brand{font-size:23px;letter-spacing:-.03em;font-weight:600}.footer-brand span{color:var(--orange)}.footer-top p{font-size:12px;color:var(--on-dark);margin-top:12px;max-width:320px}.footer-top>a{font-size:12px;color:#dae4e5}.footer-bottom{border-top:1px solid #364b55;padding:23px 0;display:flex;justify-content:space-between;gap:20px;color:#b7c5cb}.footer-bottom small{font-size:10px}.service-hero{background:var(--navy);color:#fff;padding:46px 0 75px}.breadcrumb{font-size:12px;color:var(--on-dark);display:inline-block;margin-bottom:50px}.service-hero .eyebrow{color:var(--orange)}.service-hero h1{max-width:900px}.service-hero h1 span{color:#c1cdd0}.service-hero .hero-intro{max-width:740px;color:#c1cdd0;margin-bottom:30px}.detail-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:100px}.scope-list{list-style:none;padding:0;margin-top:30px}.scope-list li{padding:18px 0;border-bottom:1px solid var(--line);display:flex;gap:16px}.scope-list span{color:#af5719}.planning-note{background:var(--soft);border:1px solid var(--line);padding:36px}.planning-note>img{background:#f2f1e8;padding:8px;box-sizing:content-box;border-radius:3px;margin-bottom:26px}.planning-note h3{font-size:24px;margin-bottom:18px}.planning-note p{font-size:15px;margin-bottom:27px}.service-detail+.contact{border-top:1px solid var(--line)}.related{background:var(--soft)}.related h2{font-size:32px;margin-bottom:30px}.related-links{display:flex;flex-wrap:wrap;gap:15px}.related-links a{display:flex;gap:24px;align-items:center;padding:15px 20px;background:var(--surface);border:1px solid var(--line);font-size:13px}.related-links a:hover{border-color:#b45d1f}
@media(min-width:1600px){.hero-grid{padding-block:70px}.hero-copy{padding-top:40px}.hero-visual{min-height:540px}}
@media(max-width:1100px){.container{width:calc(100% - 56px)}.nav{gap:18px}.nav-menu{gap:18px}.brand{font-size:14px}.brand-image{width:48px}.brand-image img{margin-left:-41px}.hero-grid{gap:30px}.hero-actions{gap:18px}h1{font-size:48px}.hero-visual{min-height:500px}.about-grid,.contact-grid{gap:48px}.faq-grid,.detail-grid{gap:45px}.service-card{padding:23px}.sectors .sectors-intro{display:none}.sectors .container{justify-content:space-around}.nav-actions{gap:8px}}
@media(max-width:850px){.nav{flex-wrap:wrap;min-height:80px;padding-block:14px;gap:14px}.brand{margin-right:auto}.menu-toggle{display:inline-flex;gap:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:7px 10px;font-size:12px;border-radius:3px}.nav-menu{order:4;width:100%;justify-content:center;padding-top:8px;border-top:1px solid var(--line)}.js-ready .nav-menu{display:none}.js-ready .nav-menu.is-open{display:flex}.hero-grid{grid-template-columns:1fr 1fr;gap:25px;padding-block:38px}.hero-copy{padding-block:10px}.hero h1{font-size:40px}.hero .eyebrow{font-size:9px;letter-spacing:.07em}.hero-intro{font-size:15px}.hero-actions{margin-top:25px}.hero-visual{min-height:480px}.hero-phone{margin-top:30px}.visual-caption{left:22px}.visual-caption p{font-size:24px}.section{padding-block:76px}.service-grid{grid-template-columns:repeat(2,1fr)}.section-heading{gap:28px}.section-intro{max-width:300px}.about-grid,.contact-grid,.faq-grid{gap:35px}.contact-form-wrap{padding:25px}.form-row{grid-template-columns:1fr;gap:0}.contact-phone{font-size:27px}.steps{gap:25px}.steps h3{font-size:18px}.footer-top{gap:35px}.detail-grid{gap:30px}}
@media(max-width:640px){html{scroll-padding-top:100px}.container{width:calc(100% - 36px)}.utility-bar{font-size:10px}.utility-bar .container{min-height:30px}.utility-bar a{font-size:9px;gap:6px}.nav{gap:10px;min-height:76px}.brand{font-size:12px;gap:8px}.brand small{font-size:5.5px;letter-spacing:.09em}.brand-image{width:39px;height:42px}.brand-image img{width:100px;height:42px;margin-left:-30px}.menu-toggle{font-size:0;padding:8px;gap:0}.menu-toggle span{font-size:18px;line-height:1}.nav-actions{gap:3px}.theme-toggle{font-size:21px;padding-left:9px}.languages a{font-size:10px;padding:5px 6px}.nav-menu{gap:24px;font-size:12px;flex-wrap:wrap}.hero-grid{grid-template-columns:1fr;padding-top:36px;padding-bottom:26px;gap:30px}.hero-copy{padding:0}.hero .eyebrow{font-size:9px;margin-bottom:22px}.hero h1{font-size:clamp(38px,10.5vw,53px);max-width:490px}.hero-intro{font-size:15px;margin-top:22px;max-width:480px}.hero-actions{gap:21px}.button{font-size:12px}.hero-phone{margin-top:26px}.hero-visual{min-height:310px}.hero-photo{object-position:center 52%}.visual-caption{bottom:52px;left:24px}.visual-caption p{font-size:26px;max-width:280px}.visual-caption small{margin-top:10px}.visual-top{left:24px;top:15px}.visual-coordinate{left:24px;bottom:18px}.sectors .container{min-height:73px;gap:14px;justify-content:space-between}.sectors span{gap:7px;font-size:10px;line-height:1.4}.sectors i{font-size:17px}.section{padding-block:58px}.eyebrow{font-size:10px;margin-bottom:18px}h2{font-size:34px}.section-heading{display:block;margin-bottom:30px}.section-intro{margin-top:24px;max-width:100%}.service-grid{grid-template-columns:1fr;gap:13px}.service-card{padding:25px}.card-top{margin-bottom:21px}.service-card h3{font-size:23px}.service-card>p{font-size:14px}.card-link{margin-top:24px}.about-grid,.contact-grid,.faq-grid,.detail-grid{grid-template-columns:1fr;gap:35px}.about h2,.contact h2{font-size:35px}.engineer{margin-top:28px}.about-copy .large-copy{font-size:17px}.steps{grid-template-columns:1fr;gap:27px;margin-top:32px}.steps article{position:relative;padding:22px 0 0 44px}.step-number{position:absolute;left:0;top:22px}.steps h3{font-size:21px}.steps p{max-width:none;font-size:14px}.faq h2{font-size:34px}summary{font-size:14px;padding-block:21px}.contact-intro{font-size:15px}.contact-phone{font-size:31px}.contact-info a,.contact-info address{font-size:14px}.contact-form-wrap{padding:25px 21px}.form-group{margin-bottom:20px}input,textarea{font-size:16px}.form-note{font-size:11px}.footer-top{grid-template-columns:1fr 1fr;gap:25px;padding-bottom:30px}.footer-top>div{grid-column:1/-1}.footer-brand{font-size:23px}.footer-bottom{display:block}.footer-bottom small{display:block;margin-bottom:6px}.service-hero{padding-block:27px 52px}.service-hero h1{font-size:40px}.breadcrumb{margin-bottom:32px}.service-hero .hero-intro{font-size:16px}.planning-note{padding:27px}.scope-list li{font-size:15px}.related h2{font-size:29px}.related-links{display:grid}.related-links a{justify-content:space-between}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.coverage{border-block:1px solid var(--line);padding:48px 0;background:var(--surface)}.coverage .container{display:grid;grid-template-columns:1fr 1.07fr;gap:60px;align-items:center}.coverage .eyebrow{margin-bottom:13px}.coverage h2{font-size:28px}.coverage .container>p{font-size:14px;line-height:1.8}@media(max-width:640px){.coverage{padding:38px 0}.coverage .container{grid-template-columns:1fr;gap:22px}.coverage h2{font-size:30px}}
h1,h2,h3{overflow-wrap:anywhere}.dark-mode .step-number,.dark-mode .card-link span,.dark-mode .contact-phone span,.dark-mode .scope-list span{color:var(--orange)}
@media(max-width:360px){.brand-image{display:none}.brand{font-size:11px}.nav{gap:8px}.service-hero h1{font-size:34px}}
@media(max-width:640px){.service-hero h1{font-size:clamp(28px,8vw,40px)}}
.footer-bottom{flex-wrap:wrap}.footer-credit a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}.footer-credit a:hover{color:var(--orange-hover)}