:root{--navy:#0d2746;--navy2:#102f53;--navy3:#184368;--blue:#0b62bf;--blue2:#1477df;--green:#0eaa63;--ink:#132d4d;--text:#38536f;--muted:#637a92;--line:#d9e5ef;--surface:#f4f8fc;--shadow:0 18px 48px rgba(14,42,75,.09);--rad:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:#fff;font-family:system-ui,-apple-system,'Segoe UI',Tahoma,Arial,sans-serif;line-height:1.68;-webkit-font-smoothing:antialiased}body[dir=rtl]{font-family:Tahoma,'Segoe UI',system-ui,Arial,sans-serif}h1,h2,h3,p,figure{margin-top:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto}svg{display:block;width:22px;height:22px;flex-shrink:0}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #fdc35d;outline-offset:3px}::selection{background:#b9e6ff;color:#122744}.skip-link{position:absolute;top:-100px;background:#fff;padding:12px 20px;z-index:999}.skip-link:focus{top:8px;inset-inline-start:10px}.container{width:min(1220px,calc(100% - 54px));margin-inline:auto}.site-header{position:relative;z-index:50;background:#fff;border-bottom:1px solid #e0e7f0;box-shadow:0 3px 18px rgba(12,40,74,.04)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:20px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;color:#102847;letter-spacing:.01em}.brand strong{display:block;font-size:27px;line-height:1.08;font-weight:850;letter-spacing:-.035em}.brand small{display:block;font-size:9px;line-height:1;letter-spacing:.31em;color:#5980a4;font-weight:700}.brand-mark{position:relative;width:36px;height:36px;border:5px solid #046ed3;transform:rotate(0deg);border-radius:5px}.brand-mark:after{content:'';position:absolute;inset:6px -9px -8px 8px;border-right:5px solid #45b5eb;border-bottom:5px solid #45b5eb}.brand-mark span{position:absolute;background:#fff;width:9px;height:7px}.brand-mark span:first-child{top:-5px;right:-5px}.brand-mark span:last-child{bottom:-5px;left:-5px}.nav{display:flex;gap:clamp(12px,1.7vw,29px);align-items:center}.nav a{font-size:13px;font-weight:720;color:#3f556d;line-height:1;white-space:nowrap;padding:15px 1px}.nav a:hover,.nav a.active{color:#0864bf}.nav a.active{border-bottom:2px solid var(--blue)}.nav .lang{color:#0a64bb;border:1px solid #d6e5f4;border-radius:7px;padding:10px 12px}.nav-cta{padding:11px 17px;border-radius:9px;background:var(--blue);color:#fff;display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:13px;font-weight:750}.nav-cta svg{width:17px;height:17px}.mobile-menu{display:none;border:0;background:transparent;color:#17406b;padding:9px}.hero{position:relative;overflow:hidden;background:linear-gradient(126deg,#071b31,#103355);color:#fff}.hero-backdrop{position:absolute;inset:0;background:radial-gradient(circle at 60% 30%,rgba(18,122,188,.17),transparent 47%),linear-gradient(125deg,transparent 40%,rgba(3,18,38,.27));pointer-events:none}.hero-layout{min-height:500px;display:grid;grid-template-columns:1.04fr .96fr;align-items:stretch;position:relative;gap:25px}.hero-copy{padding:62px 10px 45px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;z-index:2}.hero h1{font-size:clamp(32px,3.45vw,52px);line-height:1.22;letter-spacing:-.02em;margin:19px 0 20px;max-width:730px;font-weight:850}.hero p{font-size:clamp(15px,1.3vw,18px);color:#d6e4f3;max-width:650px;line-height:1.95;margin-bottom:25px}.eyebrow,.kicker{font-size:11px;font-weight:850;letter-spacing:.14em;color:#71c2ff;text-transform:uppercase}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{border:0;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;min-height:45px;min-width:152px;line-height:1.2;font-size:14px;font-weight:760;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}.btn svg{width:18px;height:18px}.btn:hover{transform:translateY(-2px)}.btn-primary{background:#1474d8;color:#fff;box-shadow:0 9px 27px rgba(3,30,68,.18)}.btn-primary:hover{background:#0056ac}.btn-wa{background:var(--green);color:#fff;box-shadow:0 10px 22px rgba(1,42,29,.16)}.btn-wa:hover{background:#078d52}.btn-outline{border:1px solid #7998b2;color:#fff;background:transparent}.btn-outline:hover{background:rgba(255,255,255,.12)}.hero-points{display:flex;gap:0;max-width:100%;margin-top:35px;border-top:1px solid rgba(255,255,255,.14);padding-top:18px}.hero-points>div{display:flex;flex-direction:column;gap:4px;padding:0 17px;border-inline-end:1px solid rgba(255,255,255,.22)}.hero-points>div:first-child{padding-inline-start:0}.hero-points>div:last-child{border:0}.hero-points b{font-weight:780;font-size:12px}.hero-points span{font-size:10px;color:#b7cbe0;line-height:1.45}.hero-visual{position:relative;min-height:460px;align-self:stretch;overflow:hidden;background:#14253a}.hero-visual:after{position:absolute;content:'';inset:0;background:linear-gradient(to right,rgba(6,29,55,.13),transparent 36%);pointer-events:none}body[dir=rtl] .hero-visual:after{transform:scaleX(-1)}.hero-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center center}.section{padding:82px 0}.intro{padding:57px 0}.intro-grid,.international-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}.intro h2,.international h2{font-size:clamp(24px,2.4vw,32px);line-height:1.32;margin:8px 0 0}.intro p,.international p{font-size:15px;margin:0;color:var(--text);line-height:2}.intro .kicker,.section-heading .kicker,.engineering-intro .kicker,.international .kicker{color:var(--blue)}.international{background:#ebf4fc;padding:32px 0;border-block:1px solid #cce0f2}.international h2{font-size:24px}.section-surface{background:var(--surface)}.section-heading{text-align:center;max-width:660px;margin:0 auto 38px}.section-heading h2{font-size:clamp(27px,3vw,38px);line-height:1.28;font-weight:820;margin:9px 0 9px;letter-spacing:-.018em}.section-heading p{font-size:15px;color:var(--muted);margin:0}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.service-card{padding:27px 23px 24px;border:1px solid #dce8f3;background:#fff;border-radius:var(--rad);box-shadow:0 7px 18px rgba(18,57,95,.025);display:flex;flex-direction:column;min-height:280px;transition:transform .15s,box-shadow .15s}.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.service-icon{width:50px;height:50px;display:grid;place-items:center;background:#e8f3ff;color:var(--blue);border-radius:13px;margin-bottom:19px}.service-icon svg{width:27px;height:27px}.service-card h3{font-size:18px;margin-bottom:12px;line-height:1.45}.service-card p{font-size:13px;color:var(--text);line-height:1.85;margin:0 0 21px}.service-card a{display:inline-flex;color:#056ac8;font-size:12px;font-weight:760;gap:8px;align-items:center;margin-top:auto}.projects{background:#fff}.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.photo-card{margin:0;background:#fff;border:1px solid #e1e8f0;border-radius:14px;overflow:hidden;transition:transform .15s,box-shadow .15s}.photo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.photo-wrap{height:215px;background:#dce7f0;overflow:hidden}.photo-wrap img{width:100%;height:100%;object-fit:cover;object-position:center 32%;display:block;transition:transform .25s}.photo-card:hover img{transform:scale(1.035)}.photo-card figcaption{padding:16px 17px 19px;display:flex;flex-direction:column;gap:4px}.photo-card strong{font-size:15px}.photo-card span{color:var(--muted);font-size:12px;line-height:1.65}.photo-note{border-inline-start:3px solid #8cadce;margin:30px 0 0;color:#697e92;font-size:12px;padding-inline-start:15px}.engineering{background:#0c2c4e;color:#fff}.engineering-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.engineering-intro{position:sticky;top:100px;align-self:start}.engineering-intro h2{font-size:36px;line-height:1.32;margin:14px 0 18px}.engineering-intro .kicker{color:#83ceff}.engineering-intro p{color:#c4daee;font-size:15px;line-height:2.1}.inline-link{font-size:14px;color:#7bd0ff;font-weight:760;display:inline-block;margin-top:12px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px 24px}.detail{display:flex;gap:13px;padding:0 0 18px;border-bottom:1px solid rgba(255,255,255,.17)}.detail-index{color:#77c1ed;font-size:12px;font-weight:850;flex:0 0 26px;padding-top:4px}.detail h3{font-size:16px;margin:0 0 7px}.detail p{color:#c7d8e7;font-size:12px;line-height:1.95;margin:0}.process-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}.step{background:white;border:1px solid #e1eaf3;border-radius:13px;padding:24px 13px;min-height:168px}.step-num{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#dbeefd;color:#0854a6;font-size:12px;font-weight:850;margin:0 0 20px}.step h3{font-size:14px;margin:0 0 9px}.step p{font-size:11px;line-height:1.8;color:var(--text);margin:0}.about-section{padding-bottom:74px}.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px}.trust-item{display:flex;align-items:flex-start;gap:11px;border-inline-end:1px solid #e0e9f1;padding-inline-end:13px}.trust-item:last-child{border:0}.trust-mark{color:#0871cd}.trust-mark svg{width:27px;height:27px}.trust-item h3{font-size:15px;margin:0 0 7px}.trust-item p{font-size:12px;color:var(--text);margin:0;line-height:1.75}.faq-section{background:#f7f9fc;padding-top:58px;padding-bottom:75px}.narrow{max-width:820px}.faq{border-bottom:1px solid #cfdeea;background:#fff;margin-bottom:9px;border-radius:9px;overflow:hidden}.faq summary{list-style:none;position:relative;cursor:pointer;font-weight:730;font-size:15px;padding:19px 21px 19px 48px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:20px;top:15px;font-size:24px;color:var(--blue)}body[dir=rtl] .faq summary{padding:19px 48px 19px 21px}body[dir=rtl] .faq summary:after{left:20px;right:auto}.faq[open] summary:after{content:'−'}.faq p{font-size:14px;color:var(--text);padding:0 21px 23px;margin:0}.contact-zone{background:linear-gradient(125deg,#0a2441,#17406a);color:#fff;padding:82px 0 95px}.contact-top{display:grid;grid-template-columns:1fr .9fr;gap:75px;align-items:center}.contact-top h2{font-size:clamp(28px,3vw,39px);line-height:1.35;margin:11px 0 17px}.contact-top p{max-width:570px;color:#d3e4f4;font-size:15px;line-height:2}.kicker-light{color:#a3d9fd}.contact-buttons{display:flex;flex-direction:column;align-items:flex-start;gap:13px;margin-top:28px}.form-shell{background:#fff;border-radius:18px;color:var(--ink);padding:32px;box-shadow:0 12px 42px rgba(2,15,31,.14)}.form-shell h3{font-size:21px;margin:0 0 8px}.form-shell>p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 17px}.lead-form{display:grid;gap:12px}.lead-form label{display:flex;flex-direction:column;font-weight:650;font-size:12px;gap:6px}.lead-form input,.lead-form textarea{border:1px solid #c8d7e4;color:var(--ink);background:#fbfdff;border-radius:9px;padding:11px 12px;width:100%;outline-offset:2px}.lead-form textarea{resize:vertical;min-height:85px}.lead-form .btn{justify-self:start;margin-top:4px}.form-shell .form-note{margin:13px 0 0;color:#627790;font-size:11px}.footer{background:#071c31;color:#cee0ed;padding:45px 0 25px}.footer-row{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}.footer-brand{font-size:23px;font-weight:900;color:white;letter-spacing:-.05em}.footer-brand span{font-size:13px;letter-spacing:.15em;color:#87c3ef}.footer p{font-size:12px;max-width:400px;margin:7px 0}.footer-links{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;font-size:12px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;margin-top:37px;padding-top:16px;border-top:1px solid rgba(255,255,255,.15);font-size:11px;color:#9cb5ca}.floating-wa{position:fixed;z-index:90;bottom:25px;right:25px;display:flex;align-items:center;gap:9px;padding:13px 19px;background:#0ca65c;color:white;border:2px solid #fff;box-shadow:0 8px 30px #002b1e50;border-radius:999px;font-size:14px;font-weight:800;transition:transform .15s}.floating-wa:hover{transform:translateY(-3px);background:#078a4c}.floating-wa svg{width:24px;height:24px}.mobile-dock{display:none}body[dir=rtl] .floating-wa{right:auto;left:25px}@media(max-width:1140px){.nav{gap:13px}.nav-cta{display:none}.process-grid{grid-template-columns:repeat(4,1fr)}.hero h1{font-size:41px}.hero-layout{gap:5px}}@media(max-width:840px){.container{width:min(100% - 36px,700px)}.mobile-menu{display:block;margin-inline-start:auto}.nav-wrap{min-height:70px;position:relative}.nav{display:none;position:absolute;top:69px;left:0;right:0;background:#fff;flex-direction:column;gap:0;align-items:stretch;padding:12px 20px 20px;border:1px solid #dce6f0;border-top:0;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:15px 10px;font-size:15px}.nav .lang{align-self:flex-start}.hero-layout{grid-template-columns:1fr;gap:0;min-height:unset}.hero-copy{padding:45px 0 29px;min-height:0}.hero h1{font-size:clamp(30px,6vw,44px)}.hero-visual{height:320px;min-height:320px;margin-inline:-18px}.hero-visual img{object-position:center 25%}.intro-grid,.international-grid,.engineering-wrap,.contact-top{grid-template-columns:1fr;gap:23px}.intro{padding:52px 0}.section{padding:62px 0}.service-grid{grid-template-columns:repeat(2,1fr)}.engineering-intro{position:static}.engineering-wrap{gap:35px}.photo-grid{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(4,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.contact-top{gap:30px}.floating-wa{bottom:18px}.international{padding:27px 0}}@media(max-width:570px){.container{width:calc(100% - 30px)}.brand strong{font-size:23px}.brand-mark{width:32px;height:32px}.hero-copy{padding:37px 0 26px}.hero h1{font-size:clamp(28px,8.3vw,38px)}.hero p{font-size:14px;line-height:1.85}.hero-actions{display:grid;width:100%;grid-template-columns:1fr 1fr;gap:8px}.hero-actions .btn{padding:12px 8px;font-size:12px;min-width:0}.hero-points{gap:5px}.hero-points>div{padding-inline:7px}.hero-points b{font-size:10px}.hero-points span{font-size:9px}.hero-visual{height:235px;min-height:235px;margin-inline:-15px}.section-heading{margin-bottom:27px}.section-heading h2{font-size:27px}.section{padding:49px 0}.service-grid{grid-template-columns:1fr;gap:12px}.service-card{min-height:auto;padding:22px}.photo-grid{grid-template-columns:1fr;gap:15px}.photo-wrap{height:225px}.engineering-intro h2{font-size:28px}.detail-grid{grid-template-columns:1fr;gap:15px}.process-grid{grid-template-columns:repeat(2,1fr);gap:9px}.step{padding:18px 12px;min-height:137px}.step h3{font-size:13px}.step p{font-size:11px}.trust-grid{grid-template-columns:1fr;gap:18px}.trust-item{border:0;border-bottom:1px solid #e1e9f1;padding-bottom:15px}.contact-top h2{font-size:29px}.contact-zone{padding:52px 0 63px}.form-shell{padding:22px}.footer-row{flex-direction:column;gap:24px}.footer-links{gap:13px}.footer-bottom{margin-top:29px}.floating-wa{display:none}.mobile-dock{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:100;grid-template-columns:1fr 1.6fr;background:#fff;border-top:1px solid #cad7e1;padding:8px 12px max(8px,env(safe-area-inset-bottom));gap:8px;box-shadow:0 -4px 18px rgba(6,33,57,.16)}.mobile-dock a{display:flex;align-items:center;justify-content:center;gap:7px;border-radius:9px;min-height:47px;font-weight:800;font-size:13px;background:#e9f2fb;color:#174b7c}.mobile-dock a.wa-link{background:#079e58;color:#fff}.mobile-dock svg{width:19px;height:19px}body{padding-bottom:62px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:after,*:before{transition:none!important;animation:none!important}}

/* Genuine ITSC identity: uses the existing official /assets/logo-180.webp on itsc.ly */
.brand.itsc-logo-official, .brand:has(> .itsc-official-logo){max-width:175px;min-width:90px;flex:0 0 auto;}
.brand .itsc-official-logo{display:block;width:auto;height:54px;max-width:150px;object-fit:contain;}
.footer-brand:has(> .itsc-official-logo){display:inline-flex;align-items:center;justify-content:flex-start;background:#fff;padding:6px 11px;border-radius:8px;min-height:49px;max-width:180px;}
.footer-brand .itsc-official-logo{display:block;width:auto;height:46px;max-width:148px;object-fit:contain;}
.itsc-logo-text-fallback{display:none;color:#102847;font-size:22px;font-weight:850;letter-spacing:-.04em;white-space:nowrap;line-height:1.2;}
.itsc-logo-text-fallback span{color:#50718d;font-weight:500;}
a.itsc-logo-unavailable > .itsc-official-logo{display:none;}
a.itsc-logo-unavailable > .itsc-logo-text-fallback{display:inline-block;}
@media(max-width:840px){.brand .itsc-official-logo{height:43px;max-width:130px}.brand{min-width:90px}.footer-brand .itsc-official-logo{height:43px;}}