:root{--paper:#f6f7f7;--paper-2:#e9edef;--signal:#e04408;--signal-dark:#b63406;--ink:#17232d;--maxw:1320px}
html{scroll-padding-top:100px}header{background:rgba(246,247,247,.96)}.brand-logo{width:190px;height:auto}.wrap{padding-inline:36px}nav.primary{gap:17px}nav.primary a{font-size:14px}.head-right{gap:16px}.head-right>.btn{display:none}.hero{padding-bottom:64px}.hero-grid{grid-template-columns:1.08fr 1fr;align-items:center;gap:48px}.hero-title{font-size:clamp(2.5rem,4.7vw,4.4rem)!important}.hero-photo{margin:0;position:relative;align-self:stretch;min-height:490px;border-bottom:5px solid var(--signal);background:#17232d}.hero-photo>img{width:100%;height:100%;position:absolute;object-fit:cover}.hero-photo:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.85))}.hero-photo figcaption{position:absolute;bottom:24px;left:24px;right:24px;color:white;z-index:1;font-size:16px;font-weight:500}.eyebrow-mono,.form-grid label,.langtoggle,.privacy-note{font-size:14px}.project-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0 44px}.photo-card{padding:0;border:1px solid var(--line);background:white;text-align:left;color:var(--ink);overflow:hidden}.photo-card img{width:100%;height:260px;object-fit:cover;transition:transform .3s}.photo-card:hover img{transform:scale(1.035)}.photo-caption{display:flex;justify-content:space-between;padding:16px;font-size:15px;gap:12px}.photo-caption>span:last-child{color:var(--signal)}footer{background:var(--ink);color:#b9bcc0;padding:52px 0 18px}.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr 1.1fr;gap:34px;align-items:start}.brandstack{display:flex;flex-direction:column;gap:18px}.brandstack .brand-logo{background:transparent;padding:0;border-radius:0;width:220px;filter:none}.brandstack p{font-size:15px;line-height:1.7;color:#d6d8da;max-width:28ch;margin:0}.footer-group h4{margin:0 0 18px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#f2f4f5;font-weight:700}.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.footer-list li,.footer-list a{font-size:15px;line-height:1.5;color:#d6d8da}.footer-list a:hover{color:#fff}.footer-contacts .footer-list{gap:14px}.footer-contacts .footer-list li{display:flex;align-items:center;gap:10px}.footer-contacts .footer-list li::before{content:"";display:inline-block;width:12px;height:12px;border:1.5px solid var(--signal);border-radius:3px;box-shadow:inset 0 0 0 2px rgba(224,68,8,.25);flex:none}.footer-legal{font-size:11px;line-height:1.6;color:#8b9095;max-width:48ch;margin:10px 0 0}.footer-legal-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:20px;margin-top:28px;border-top:1px solid rgba(255,255,255,.14);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#8b9095}.footer-legal-row .meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}.footer-legal-row a{color:#b9bcc0}.footer-legal-row a:hover{color:#fff}dialog{border:0;padding:40px;max-width:min(90vw,680px);color:var(--ink);box-shadow:0 20px 90px #0005}dialog::backdrop{background:#081119df}dialog h2{margin-bottom:16px}dialog p{line-height:1.7}.dialog-close{position:absolute;right:12px;top:8px;border:0;background:white;font-size:28px;line-height:1.5;width:40px;color:#17232d;z-index:2}.lightbox{max-width:94vw;width:1000px;padding:18px;background:#17232d;color:white}.lightbox>img{height:74vh;width:100%;object-fit:contain}.lightbox-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px}.lightbox-controls button{width:44px;height:44px;border:1px solid #ffffff50;background:transparent;color:white;font-size:24px;flex-shrink:0}.skip-link{position:fixed;top:-100px;left:20px;background:white;padding:12px;z-index:100}.skip-link:focus{top:10px}#form-status{margin-top:16px;color:var(--signal-dark)}.service summary{min-height:64px;display:flex;align-items:center;gap:18px}.service .mark{display:inline-flex;flex-direction:column;justify-content:center;width:36px;min-width:36px;height:30px;gap:5px}.service .mark span{display:block;height:5px;border-radius:2px;background:var(--signal)}.service .mark span:nth-child(1){width:36px}.service .mark span:nth-child(2){width:30px}.service .mark span:nth-child(3){width:24px}.service summary h4{margin:0;flex:1}.service .plus{font-size:32px;line-height:1;color:var(--ink);font-weight:400}.btn{white-space:normal}.foot-links{font-size:14px}.foot-legal{font-size:13px}
@media(max-width:1150px) and (min-width:901px){nav.primary{gap:10px}nav.primary a{font-size:12px}.brand-logo{width:145px}.wrap{padding-inline:24px}.head-right{gap:8px}}
@media(max-width:900px){.wrap{padding-inline:24px}.hero-grid{grid-template-columns:1fr;gap:32px}.hero-photo{min-height:400px}.hero{padding-top:40px!important}.head-right .langtoggle{display:flex}nav.primary{bottom:auto;max-height:calc(100dvh - 74px)}.project-gallery{grid-template-columns:repeat(2,1fr)}section{padding:64px 0}.hero-photo img{object-position:center 55%}}
@media(max-width:540px){.wrap{padding-inline:20px}.brand-logo{width:158px}.head-right{gap:8px}.langtoggle button{padding:7px 9px}.hero-photo{min-height:330px}.project-gallery{grid-template-columns:1fr}.photo-card img{height:280px}.hero-ctas{gap:10px}.btn{padding:11px 16px}.stat-strip{grid-template-columns:1fr 1fr}.foot-top{gap:28px}dialog{padding:40px 22px}.lightbox{padding:10px}.lightbox>img{height:65vh}.hero-title{font-size:2.7rem!important}}
@media(max-width:900px){.sysrow{grid-template-columns:1fr;gap:28px}.sysrow>*{min-width:0}}
.page-intro{padding:42px 0 64px;background:var(--ink);color:#fff;border-bottom:5px solid var(--signal)}.page-intro .eyebrow-mono{color:#ff9062}.page-intro h1{font-size:clamp(2.6rem,5.3vw,4.5rem);line-height:1.08;color:white;margin:18px 0}.page-intro p{font-size:clamp(1.1rem,2vw,1.4rem);color:#d0d8de;max-width:46ch}.breadcrumb{display:flex;gap:14px;font-size:14px;margin-bottom:38px;color:#c5cfd6}.breadcrumb a:hover{color:white;text-decoration:underline}.explore-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.explore-card{display:flex;flex-direction:column;border-top:3px solid var(--signal);padding:26px 22px;background:var(--paper-2);transition:background .2s,transform .2s}.explore-card:hover{background:#dee5e9;transform:translateY(-4px)}.card-index{font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--signal-dark);display:block;margin-bottom:28px}.explore-card h3,.detail-card h3,.contact-guide h3{font-size:1.35rem;line-height:1.3;margin-bottom:14px}.explore-card p,.detail-card p,.contact-guide p{color:var(--ink-soft);font-size:16px;line-height:1.7}.card-link{font-size:14px;font-weight:600;margin-top:auto;padding-top:24px;display:flex;justify-content:space-between}.page-cta{background:var(--paper-2);padding:48px 0}.page-cta>.wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}.page-cta h2{font-size:clamp(1.5rem,3vw,2.2rem);margin-top:8px}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.detail-card{border-top:1px solid var(--line-strong);padding-top:24px}.safety-grid{grid-template-columns:repeat(2,1fr)}.safety-grid .card-index{font-size:28px;margin-bottom:18px}.contact-guide{padding:60px 0}.contact-guide h2{margin-bottom:32px}.service-index{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:32px;padding-bottom:32px}.service-index a{display:flex;gap:14px;font-size:14px;padding:16px;border-bottom:1px solid var(--line);line-height:1.5}.service-index a>span:first-child{font-family:'IBM Plex Mono',monospace;color:var(--signal-dark)}.service-index a:hover{background:var(--paper-2)}.service{scroll-margin-top:100px}.page-intro+section{padding-top:64px}.hero-grid>div:first-child>*{opacity:1;animation:none}nav.primary a{font-size:15px}.foot-links{max-width:670px}.page-intro~#contact .section-head{max-width:70ch}.head-right .langtoggle{display:flex}.form-grid input,.form-grid textarea,.form-grid select{font-size:16px}
@media(max-width:1100px){.explore-grid,.service-index{grid-template-columns:repeat(2,1fr)}nav.primary{gap:18px}}
@media(max-width:900px){.detail-grid{grid-template-columns:1fr;gap:28px}.safety-grid{grid-template-columns:1fr 1fr}.page-intro{padding:30px 0 44px}.breadcrumb{margin-bottom:28px}.page-cta>.wrap{align-items:flex-start;flex-direction:column}nav.primary{gap:0}.service-index{padding-block:24px}.explore-card .card-index{margin-bottom:20px}}
@media(max-width:540px){.explore-grid,.safety-grid,.service-index{grid-template-columns:1fr}.service-index a{padding:12px 0}.page-intro h1{font-size:2.6rem}.page-intro{padding-bottom:36px}.explore-card{padding:22px}.head-right .langtoggle{flex-shrink:0}.head-right{gap:6px}.brand-logo{width:148px}.page-cta{padding:36px 0}}
/* Company group: supplied logos and the hierarchy from the reference. */
.company-chart{margin-top:60px;padding-top:40px;border-top:1px solid var(--line-strong)}.company-chart>.eyebrow-mono{text-align:center;margin-bottom:28px!important}.company-chart .org-brand-lockup{display:flex;align-items:center;justify-content:center;gap:18px;margin:0 auto 22px;width:min(100%,700px)}.company-chart .org-brand-lockup .brand-mark{height:auto;display:block}.company-chart .org-brand-lockup .brand-mark:first-child{width:230px}.company-chart .org-brand-lockup .brand-mark:nth-child(3){width:210px}.company-chart .org-brand-lockup .brand-plus{font-size:2.8rem;line-height:1;color:var(--signal);font-weight:700}.company-chart .org-parent{position:relative;display:block;width:min(100%,620px);margin:0 auto;background:#fff;border:1px solid var(--line-strong);border-top:4px solid var(--signal);padding:22px 18px 14px;text-align:center}.company-chart .org-parent:after{content:"";position:absolute;width:1px;height:32px;background:var(--steel-soft);left:50%;top:100%}.company-chart .org-children{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:32px 0 0;margin-top:32px}.company-chart .org-children:before{left:calc(16.6667% - 9.33px);right:calc(16.6667% - 9.33px);width:auto;height:1px;top:0;bottom:auto;background:var(--steel-soft)}.company-chart .org-child{padding:24px;background:#fff;border:1px solid var(--line-strong);text-align:center;min-width:0}.company-chart .org-child:before{left:50%;top:-33px;height:32px;width:1px;background:var(--steel-soft)}.company-logo{display:flex;align-items:center;justify-content:center;height:98px;margin-bottom:16px}.company-logo img{width:100%;max-width:300px;height:100%;object-fit:contain}.company-chart h3{font-family:'IBM Plex Sans',sans-serif;font-size:17px;line-height:1.45;font-weight:600;margin:0 0 10px}.company-chart .org-parent h3{margin:12px 0 0;font-size:clamp(1.4rem,2.2vw,2.2rem);line-height:1;letter-spacing:-.04em}.company-chart .org-child>span{font-size:15px;line-height:1.6}.company-chart .org-note{max-width:78ch;margin:28px auto 0;text-align:center}
@media(max-width:700px){.company-chart{margin-top:40px;padding-top:32px}.company-chart .org-parent{width:100%;max-width:none;margin:0}.company-chart .org-parent:after{left:18px;height:25px}.company-chart .org-children{grid-template-columns:1fr;gap:18px;padding:0 0 0 38px;margin-top:24px}.company-chart .org-children:before{top:0;left:18px;right:auto;bottom:50%;width:1px;height:auto}.company-chart .org-child:before{left:-21px;top:50%;width:20px;height:1px}.company-chart .org-child:after{content:"";position:absolute;left:-21px;top:-19px;bottom:50%;width:1px;background:var(--steel-soft)}.company-chart .org-child:not(:last-child):after{bottom:-19px}.company-chart .org-children:before{display:none}.company-chart .org-child:first-child:after{top:-25px}.company-chart .company-logo{height:78px;margin-bottom:16px}.company-chart .org-note{text-align:left}}

/* Compact contact icons shared by every footer. */
.footer-contacts .footer-list li{align-items:flex-start}
.footer-contacts .footer-list li::before{width:16px;height:16px;margin-top:3px;border:0;border-radius:0;box-shadow:none;background-position:center;background-repeat:no-repeat;background-size:contain}
.footer-contacts .footer-list li:first-child::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e04408' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='m3 7 9 6 9-6'/%3E%3C/svg%3E")}
.footer-contacts .footer-list li:nth-child(2)::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e04408' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 10c0 5-8 11-8 11S4 15 4 10a8 8 0 1 1 16 0Z'/%3E%3Ccircle cx='12' cy='10' r='2.5'/%3E%3C/svg%3E")}
.footer-contacts .footer-list li:nth-child(3)::before{content:"☎";display:flex;align-items:center;justify-content:center;color:var(--signal);font-size:16px;background:none}

/* Balanced B3 InfraGo + B3 Holding lockup. */
.company-chart .org-brand-lockup{gap:22px;width:min(100%,650px)}
.company-chart .org-brand-lockup .brand-mark:first-child{width:330px;max-width:55%}
.company-chart .org-brand-lockup .brand-mark:nth-child(3){width:165px;max-width:30%}
.company-chart .org-brand-lockup .brand-plus{font-size:3rem}
@media(max-width:540px){.company-chart .org-brand-lockup{gap:12px}.company-chart .org-brand-lockup .brand-plus{font-size:2rem}.company-chart .org-brand-lockup .brand-mark:first-child{max-width:56%}.company-chart .org-brand-lockup .brand-mark:nth-child(3){max-width:28%}}

/* Display both brands at equal size in the partnership lockup. */
.company-chart .org-brand-lockup{width:min(100%,760px)}
.company-chart .org-brand-lockup .brand-mark:first-child,
.company-chart .org-brand-lockup .brand-mark:nth-child(3){width:300px;max-width:42%}
@media(max-width:540px){.company-chart .org-brand-lockup .brand-mark:first-child,.company-chart .org-brand-lockup .brand-mark:nth-child(3){width:42%;max-width:42%}}

/* Arabic language and right-to-left layout. */
[data-lang="ar"] .de{display:none!important}
[data-lang="ar"] .en{display:revert!important}
html[dir="rtl"] body{font-family:"Tahoma","Arial",sans-serif;text-align:right}
html[dir="rtl"] .head-inner,html[dir="rtl"] .footer-legal-row,html[dir="rtl"] .page-cta>.wrap{direction:rtl}
html[dir="rtl"] .footer-contacts .footer-list li,html[dir="rtl"] .photo-caption,html[dir="rtl"] .card-link{flex-direction:row-reverse;justify-content:flex-end}
html[dir="rtl"] .footer-contacts .footer-list li{text-align:right}