/* Shared language navigation. */
.language-switcher{display:inline-flex;align-items:center;gap:3px;padding-left:18px;border-left:1px solid #b7bdc7;color:inherit;flex:none}
.site-header .language-switcher a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:7px 9px;border-radius:6px;color:inherit;font-size:15px;font-weight:650;text-decoration:none;transition:background .2s}
.language-switcher a[aria-current=true]{background:#4064ac14;box-shadow:inset 0 -2px #4064ac}
.language-switcher a:hover{background:#4064ac24}
.language-switcher a:focus-visible{outline:2px solid currentColor;outline-offset:3px}
body:not(.infrastructure-page):not(.contact-page) .site-header:not(.is-scrolled) .language-switcher a[aria-current=true],body.has-video-hero .site-header:not(.is-scrolled) .language-switcher a[aria-current=true]{background:#ffffff18;box-shadow:inset 0 -2px #b4e2ee}
button.text-link{border:0;cursor:pointer;font-family:inherit}
.button{cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;justify-content:center;gap:14px;white-space:normal;text-align:center;line-height:1.4}
.read-more summary{transition:background .2s,padding .2s;border-radius:6px}
.read-more summary:hover,.read-more summary:focus-visible{background:#4064ac0b;padding-left:12px;padding-right:12px}
.video-chapter .read-more summary:hover{background:#ffffff10}
.read-more summary:focus-visible{outline:2px solid currentColor;outline-offset:5px}
.read-more summary>span{flex-basis:36px;width:36px;height:36px;transition:transform .3s,background .3s;color:#4064ac;background:#e9eef7}
.read-more[open]>summary>span{background:#dbe5f6}

/* Existing ETKM films replace the white introductions on each subpage. */
body.has-video-hero .site-header:not(.is-scrolled){background:linear-gradient(180deg,#07191dc2,transparent);color:#fff;border:0;backdrop-filter:none}
body.has-video-hero :is(.infra-hero,.contact-intro){position:relative;isolation:isolate;overflow:hidden;background:#172b31;color:#fff;min-height:0;padding-top:180px;padding-bottom:52px}
.page-hero-film{position:absolute!important;inset:0;z-index:-2;pointer-events:none;border-radius:0}
.page-hero-film :is(img,video){width:100%;height:100%;object-fit:cover;object-position:center}
body.has-video-hero :is(.infra-hero,.contact-intro):after{content:'';display:block;position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#081920b8,#08192080),linear-gradient(0deg,#08192080,transparent 65%);pointer-events:none}
body.has-video-hero :is(.infra-hero,.contact-intro) :is(h1,p,.eyebrow,.infra-breadcrumb,summary){color:#fff}
body.has-video-hero .hero-detail[open]{padding:16px 24px;background:#06151b80;border-radius:10px}
body.has-video-hero .site-header:not(.is-scrolled) .menu-toggle{color:#fff;background:#ffffff18;border-color:#ffffff50}
@media(min-width:1101px){body.has-video-hero .site-header:not(.is-scrolled) nav>a{color:#fff}body.has-video-hero .site-header:not(.is-scrolled) nav>a[aria-current=page]:after{background:#b4e2ee}}

/* Original photographs retain their proportions in a responsive masonry layout. */
.archive-section{padding:90px var(--chapter-gutter);background:#fff}
.archive-heading{max-width:780px;margin-bottom:42px}
.archive-heading h2{font-size:clamp(38px,4.2vw,62px);line-height:1.08;letter-spacing:-.045em;margin:20px 0 24px}
.archive-heading p,.archive-cta p{font-size:21px;line-height:1.6;color:#62666d}
.masonry-gallery{columns:4;column-gap:16px;margin:0}
.archive-section .archive-photo{display:block;position:relative;break-inside:avoid;margin:0 0 16px;aspect-ratio:auto;height:auto;overflow:hidden;border-radius:8px;background:#e9ecef}
.archive-section .archive-photo img{display:block;width:100%;height:auto;object-fit:contain;transition:transform .65s ease}
.archive-photo:hover img{transform:scale(1.035)}
.archive-photo:focus-visible{outline:3px solid #4064ac;outline-offset:4px}
.archive-photo .photo-enlarge{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#ffffffed;color:#183849;font-size:23px}
.archive-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:34px;padding-top:30px;border-top:1px solid #dce0e5}
.archive-cta p{margin:0;color:#1d1d1f;font-weight:650}
.documentation-section{background:#f5f5f7}
.archive-logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:clamp(25px,5vw,75px);padding:30px 20px;margin-bottom:40px;background:#fff;border-radius:10px}
.archive-logos img{width:120px;height:120px;object-fit:contain}
.certificate-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:0}
.certificate-grid figure{margin:0;min-width:0}
.certificate-grid .archive-photo{padding:16px;background:#fff;aspect-ratio:3/4;display:flex;align-items:center;justify-content:center}
.certificate-grid .archive-photo img{height:100%;object-fit:contain}
.certificate-grid figcaption{font-size:17px;line-height:1.5;font-weight:650;padding:0 6px}
.event-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:25px 0}
.event-grid .archive-photo{align-self:start}

/* A real contact form in an accessible native modal. */
.contact-modal-open{overflow:hidden}
.contact-dialog{box-sizing:border-box;width:min(660px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;border:0;border-radius:14px;padding:40px;overflow-y:auto;background:#fff;color:#1d1d1f;box-shadow:0 25px 100px #0003}
.contact-dialog::backdrop{background:#06151bb8;backdrop-filter:blur(5px)}
.contact-dialog h2{font-size:38px;line-height:1.15;margin:18px 35px 18px 0}
.contact-dialog>p{font-size:18px;line-height:1.55;color:#62666d;margin-bottom:24px}
.dialog-close{position:absolute;right:18px;top:18px;display:grid;place-items:center;width:44px;height:44px;font:32px/1 Manrope,sans-serif;border:0;border-radius:50%;background:#f0f2f5;color:#1d1d1f;cursor:pointer}
.contact-dialog form{display:grid;gap:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-dialog label{display:grid;gap:8px;font-size:16px;font-weight:650;line-height:1.45;min-width:0}
.contact-dialog :is(input:not([type=hidden]),textarea){box-sizing:border-box;min-width:0;width:100%;border:1px solid #bdc5ce;border-radius:6px;background:#fff;color:#1d1d1f;font:17px/1.5 Manrope,sans-serif;padding:12px 14px}
.contact-dialog textarea{resize:vertical;min-height:120px}
.contact-dialog :is(input,textarea,button):focus-visible{outline:3px solid #4064ac55;outline-offset:3px;border-color:#4064ac}
.contact-dialog .form-note,.contact-dialog .form-email{font-size:15px;line-height:1.5;color:#62666d;margin:0}
.form-email a{color:#4064ac;overflow-wrap:anywhere}
.contact-dialog button[type=submit]{justify-self:start;min-height:48px}
.contact-dialog button:disabled{opacity:.6;cursor:wait}
.form-status{margin:0;font-size:17px;line-height:1.55;font-weight:600}
.form-status:empty{display:none}
.form-status.is-success{color:#236b37}.form-status.is-error{color:#a62925}
.form-honeypot[hidden]{display:none!important}
@media(max-width:1100px){.site-header .language-switcher{padding:12px 10px;border-left:0;border-top:1px solid #dce0e5;align-self:stretch;justify-content:flex-start;color:#1d1d1f}.site-header .language-switcher a{color:#1d1d1f!important;min-width:50px}body .site-header nav .language-switcher a[aria-current=true]{background:#4064ac14!important;box-shadow:inset 0 -2px #4064ac!important}body.has-video-hero .site-header nav{color:#1d1d1f}.masonry-gallery{columns:3}.certificate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.archive-section{padding-top:65px;padding-bottom:65px}.masonry-gallery{columns:2;column-gap:12px}.archive-section .archive-photo{margin-bottom:12px}.archive-heading{margin-bottom:30px}.archive-heading h2{font-size:40px}.archive-heading p{font-size:19px}.archive-cta{align-items:flex-start;flex-direction:column}.archive-logos{gap:25px;padding:24px}.archive-logos img{width:100px;height:100px}body.has-video-hero :is(.infra-hero,.contact-intro){padding-top:145px;padding-bottom:40px;min-height:0}}
@media(max-width:560px){.archive-heading h2{font-size:36px}.certificate-grid{gap:14px}.certificate-grid .archive-photo{padding:8px}.certificate-grid figcaption{font-size:16px}.archive-logos img{width:90px;height:90px}.contact-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);padding:30px 22px 24px;border-radius:10px}.contact-dialog h2{font-size:30px;margin-top:20px}.contact-dialog>.eyebrow{padding-right:40px;display:block}.form-grid{grid-template-columns:1fr}.contact-dialog button[type=submit]{width:100%}.dialog-close{top:10px;right:10px}.contact-dialog input,.contact-dialog textarea{font-size:16px}.contact-dialog form{gap:16px}.archive-photo .photo-enlarge{right:7px;bottom:7px;width:30px;height:30px;font-size:20px}html[lang=fr] .hero h1{font-size:clamp(32px,8.5vw,46px)}html[lang=fr] .system-card h3{overflow-wrap:anywhere}}
@media(max-width:360px){.masonry-gallery{columns:1}.certificate-grid,.event-grid{grid-template-columns:1fr}.archive-logos{gap:18px}}
@media(prefers-reduced-motion:reduce){.archive-photo img,.read-more summary,.read-more summary>span,.language-switcher a{transition:none}.archive-photo:hover img{transform:none}}
@media print{.language-switcher,.contact-dialog,[data-contact-open]{display:none!important}.archive-section{padding:20px}.archive-photo{break-inside:avoid}body.has-video-hero :is(.infra-hero,.contact-intro){min-height:0;background:#fff;color:#000}body.has-video-hero :is(.infra-hero,.contact-intro):after,.page-hero-film{display:none}}
.page-hero-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:22px}
body.has-video-hero .page-hero-actions .text-link{display:inline-flex;align-items:center;gap:12px;color:#fff;background:transparent;font-size:18px;min-height:48px;padding:12px 0}
body.has-video-hero .contact-intro>.button{margin-top:24px}
@media(max-width:560px){.page-hero-actions{gap:14px;flex-direction:column}}
.gallery-original{display:block;width:fit-content;margin:12px auto 0;padding:8px 12px;color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:16px;min-height:44px}
@media(max-width:560px){.gallery-dialog{padding:16px;width:calc(100vw - 20px);max-width:none;max-height:calc(100dvh - 20px)}.gallery-dialog .gallery-navigation{gap:8px}.gallery-dialog button{padding:10px 12px}.gallery-counter{white-space:nowrap}}

/* Looking ahead: a quiet aerial film beneath the original research content. */
#future.video-chapter{background:#162b36;color:#fff;padding-top:90px;padding-bottom:90px}
#future .chapter-media{background:#162b36 url('/assets/ciidt-city-poster.jpg') center/cover no-repeat}
#future.video-chapter:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,#081c2ce6,#102b35b8);pointer-events:none}
#future.video-chapter :is(h2,.eyebrow,.future-horizons,.section-body,summary,li){color:#fff}
#future.video-chapter .section-number{border-color:#ffffff66;color:#c4ddf8}
#future.video-chapter .future-horizons i{background:#b2ceef}
#future.video-chapter .read-more{border-color:#ffffff40}
#future.video-chapter .read-more summary{border-color:#ffffff50}
#future.video-chapter .read-more summary>span{color:#fff;background:#ffffff1f}
#future.video-chapter .section-body li{border-color:#ffffff30}
#future.video-chapter .section-body li>.ui-icon{color:#b5db8d}

/* A branded, full-width closing chapter with a contained three-column layout. */
.site-footer{display:block;position:relative;isolation:isolate;max-width:none;margin:0;padding:80px var(--chapter-gutter) 26px;background:radial-gradient(ellipse at 100% 0%,#28496d66,transparent 55%),linear-gradient(120deg,#101e32,#10292a);color:#e9f0f6;border:0}
.site-footer:before{content:'';position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#4064ac,#6d9fbd 50%,#66b126)}
.footer-main{display:grid;grid-template-columns:.95fr 1fr 1.3fr;gap:clamp(32px,5vw,72px);padding-bottom:64px;align-items:start}
.footer-logo-link{display:block;width:min(100%,246px);padding:0;text-decoration:none}
.footer-logo{display:block;width:100%;height:auto;overflow:visible}
.footer-logo [data-ink]{stroke-dasharray:1;stroke-dashoffset:1}
.site-footer .footer-brand-caption{margin:24px 0 0;color:#c7d4e1;font-size:18px;line-height:1.6;font-weight:500}
.footer-explore h2{margin:8px 0 24px;font-size:18px;line-height:1.4;color:#aebfd0;font-weight:500}
.footer-explore nav{display:grid;gap:10px}
.site-footer a{color:#e9f0f6;text-decoration:none;text-underline-offset:6px}
.footer-explore nav a{width:fit-content;padding:7px 0;font-size:19px;font-weight:600;line-height:1.45}
.site-footer a:hover{text-decoration:underline;color:#b9df98}
.site-footer :is(a,button):focus-visible{outline:2px solid #b9df98;outline-offset:5px}
.footer-connect .eyebrow{color:#abc78b;font-size:13px;letter-spacing:.16em}
.footer-connect h2{font-size:clamp(30px,3vw,43px);line-height:1.12;letter-spacing:-.035em;margin:20px 0 26px;color:white;font-weight:650}
.site-footer .footer-cta{background:#c4e6a5;color:#14251d;padding:15px 22px;min-height:54px;border:0;border-radius:7px;font-size:17px;font-weight:700;gap:20px;box-shadow:none;transition:background .2s,transform .2s}
.site-footer .footer-cta:hover{background:#dbf3c7;transform:translateY(-2px)}
.site-footer .footer-email{display:block;margin-top:24px;font-size:16px;line-height:1.6;overflow-wrap:anywhere;color:#c7d4e1}
.site-footer .footer-phone{display:block;width:fit-content;font-size:17px;padding:10px 0;color:#c7d4e1}
.footer-bottom{border-top:1px solid #a0b5c22b;padding-top:25px;display:flex;align-items:center;gap:30px;color:#aebfd0;font-size:15px;line-height:1.5}
.footer-bottom a{margin-left:auto;min-height:44px;display:inline-flex;align-items:center}
@media(max-width:900px){.footer-main{grid-template-columns:1fr 1fr;gap:45px}.footer-brand{grid-column:1/-1;display:flex;align-items:center;gap:40px}.footer-logo-link{width:200px;flex:none}.site-footer .footer-brand-caption{margin:0}.site-footer{padding-top:60px}.footer-connect h2{font-size:34px}}
@media(max-width:560px){.footer-main{grid-template-columns:1fr;gap:38px;padding-bottom:38px}.footer-brand{display:block}.site-footer .footer-brand-caption{margin-top:20px;font-size:17px}.footer-explore nav{grid-template-columns:1fr 1fr;gap:12px 24px}.footer-explore nav a{font-size:17px}.footer-explore h2{margin-bottom:14px}.footer-bottom{gap:12px;flex-wrap:wrap;font-size:14px}.footer-bottom a{margin-left:0;width:100%}#future.video-chapter{padding-top:60px;padding-bottom:60px}}
@media(prefers-reduced-motion:reduce){.site-footer .footer-cta{transition:none}.site-footer .footer-cta:hover{transform:none}}
@media print{.site-footer{display:none!important}#future.video-chapter{background:white;color:black}#future.video-chapter:before{display:none}#future.video-chapter :is(h2,.eyebrow,.future-horizons,.section-body,summary,li){color:black}}

/* Crisp flag icons with generous touch targets and a clear selected language. */
.site-header .language-switcher{gap:5px}
.site-header .language-switcher a{padding:9px;min-width:46px;min-height:44px;border-radius:7px;transition:background .2s,box-shadow .2s}
.language-flag{display:block;width:27px;height:18px;flex:none;border-radius:3px;overflow:hidden;box-shadow:0 0 0 1px #ffffff40,0 2px 5px #0002}
.site-header .language-switcher a[aria-current=true]{background:#4064ac18;box-shadow:inset 0 -2px #4064ac}

/* A full-height architectural image beside the contact form. */
.contact-dialog{width:min(1000px,calc(100% - 40px));padding:0;border-radius:14px;max-height:calc(100dvh - 40px)}
.contact-dialog-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.65fr);align-items:stretch}
.contact-dialog-visual{position:relative;isolation:isolate;overflow:hidden;background:#153a3b;min-height:100%;border-radius:14px 0 0 14px}
.contact-dialog-visual>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:46% center}
.contact-dialog-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#092730e6,transparent 65%);z-index:1}
.contact-visual-caption{position:absolute;bottom:38px;left:28px;right:28px;z-index:2;color:#fff}
.contact-visual-caption strong{font-size:32px;line-height:1.13;font-weight:650;letter-spacing:-.04em}
.contact-dialog-content{min-width:0;padding:38px}
.contact-dialog-content>.eyebrow{display:block;padding-right:40px;font-size:14px}
.contact-dialog-content h2{font-size:36px;line-height:1.12;margin:20px 0 18px;letter-spacing:-.045em}
.contact-dialog-content>p{font-size:18px;line-height:1.55;color:#62666d;margin:0 0 25px}
.contact-dialog .dialog-close{z-index:3;right:14px;top:14px;background:#f0f2f5ed}
.contact-dialog label{font-size:16px}
.contact-dialog input,.contact-dialog textarea{background:#fafbfc}
.contact-dialog textarea{min-height:105px}
.contact-dialog button[type=submit]{border-radius:7px;min-height:50px;font-size:17px}
@media(max-width:760px){.contact-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px)}.contact-dialog-layout{grid-template-columns:1fr}.contact-dialog-visual{height:160px;min-height:0;border-radius:14px 14px 0 0}.contact-dialog-visual>img{object-position:center 55%}.contact-visual-caption{bottom:22px;left:24px;right:70px}.contact-visual-caption strong{font-size:26px}.contact-dialog-content{padding:28px 24px}.contact-dialog-content h2{font-size:31px}.contact-dialog-content>.eyebrow{padding-right:0}.contact-dialog-content>p{font-size:17px}}
@media(max-width:560px){.contact-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.contact-dialog-content{padding:26px 22px}.contact-dialog-content h2{font-size:29px}.contact-dialog-visual{height:140px}.contact-visual-caption strong{font-size:25px}.contact-dialog .form-grid{grid-template-columns:1fr}}
@media(max-height:500px) and (max-width:760px){.contact-dialog-visual{height:110px}.contact-visual-caption strong{font-size:23px}}
@media(prefers-reduced-motion:reduce){.site-header .language-switcher a{transition:none}}