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input,select,textarea{width:100%;min-height:48px;border:1px solid #aeb5af;border-radius:2px;background:#fff;color:var(--black);padding:11px 13px}textarea{min-height:145px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(37,138,75,.18);outline:0}.message{min-height:65vh;padding-block:var(--section)}.message:before{content:"404";display:block;font-size:clamp(6rem,20vw,17rem);line-height:.8;color:var(--concrete)}
.reveal-pending{opacity:0;transform:translateY(18px)}.reveal-visible{opacity:1;transform:none;transition:opacity var(--reveal) var(--ease),transform var(--reveal) var(--ease)}
@media(max-width:1000px){.site-header{grid-template-columns:1fr auto}.primary-nav{display:none}.js .menu-toggle{display:block!important}.js .menu-open .primary-nav{position:fixed;display:flex;inset:78px 0 0;z-index:90;flex-direction:column;align-items:stretch;padding:clamp(30px,8vw,75px) var(--gutter);background:var(--black);overflow:auto}.js .menu-open .primary-nav a{font-size:clamp(1.7rem,7vw,3.5rem);min-height:64px;border-block-end:1px solid #343a35}.nav-contact{margin-inline-start:0;margin-block-start:24px;justify-content:center}.epcc-hero{min-height:760px}.hero-story{grid-column:2/11}.hero-story:after{font-size:9rem}.service-surface>.container{grid-template-columns:1fr}.service-list,.service-surface>.container>.text-link{grid-column:1}.service-row{grid-template-columns:60px 1fr 30px}.service-row>p{grid-column:2/3}.sector-grid article,.sector-grid article:nth-child(n){grid-column:span 6}.project-story,.project-story:nth-child(n){grid-column:span 6}.partner-section{grid-template-columns:1fr}.partner-section>.eyebrow,.partner-section>h2,.partner-section>p,.partner-grid{grid-column:1;grid-row:auto}.footer-identity{grid-column:1/7}.footer-columns>nav{grid-column:7/10}.footer-contact{grid-column:10/-1}.corporate-module{grid-template-columns:1fr}.module-content,.structured-entries,.relation-list,.related-list{grid-column:1}.expertise-item{grid-template-columns:60px 1fr 25px}.directory-image,.directory-description{grid-column:2/-1}.portfolio-filters,.filter-bar,.document-filters{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){:root{--section:72px}.site-header{min-height:70px;padding-inline:18px}.brand{width:145px}.language-switcher{justify-content:flex-start;overflow:auto}.epcc-hero{min-height:calc(100svh - 114px)}.hero-story{grid-column:1/-1;padding:90px 20px 110px;align-self:end}.hero-story h1{font-size:clamp(3rem,14vw,5rem)}.hero-story:after{inset-inline-end:20px;font-size:6rem}.hero-visual:after{background:linear-gradient(0deg,rgba(10,12,11,.94),rgba(10,12,11,.2) 85%)}.hero-visual figcaption{inset-inline:20px;inset-block-end:18px}.discipline-line{grid-template-columns:repeat(2,1fr);padding-inline:0}.about-editorial{display:flex;flex-direction:column}.about-editorial .about-image{order:2}.about-editorial>div:last-child{order:1}.about-image img,.about-image .neutral-image{aspect-ratio:4/3}.section-heading{display:block}.section-heading>p,.section-heading>.text-link{margin-block-start:25px}.service-row{grid-template-columns:44px 1fr 24px;gap:12px;padding-block:25px}.service-row>p{grid-column:2/-1}.service-index{font-size:1.2rem}.sector-grid,.project-editorial,.portfolio-results,.news-grid{display:block}.sector-grid article,.project-story,.news-grid article{margin-block-end:55px}.partner-grid{grid-template-columns:1fr}.hse-editorial,.document-cta,.contact-editorial,.footer-lead{display:block}.hse-editorial>div{margin-block-end:35px}.document-cta .button,.contact-editorial .button{margin-block-start:25px}.footer-actions{margin-block-start:35px}.footer-columns{display:block}.footer-columns>*{margin-block-end:45px}.footer-bottom span:last-child{margin-inline-start:0}.inner-intro,.portfolio-intro,.case-intro{display:block}.inner-intro>*+*,.portfolio-intro>*+*{margin-block-start:30px}.corporate-cover,.case-cover{margin-inline:-20px}.expertise-item{grid-template-columns:36px 1fr 20px;gap:10px}.portfolio-filters,.filter-bar,.document-filters,.contact-layout,.enquiry-form{grid-template-columns:1fr}.search-field,.filter-actions{grid-column:1}.case-overview,.project-progress{grid-template-columns:1fr}.case-facts,.job-meta{grid-template-columns:1fr 1fr}.gallery-grid,.case-gallery{display:block}.gallery-grid figure{margin-block-end:20px}.organization-card,.credential-card,.document-list article,.indicator-grid article,.trust-entry-grid article{grid-template-columns:1fr}.article-body>.cms-image{width:calc(100% + 40px);margin-inline:-20px}.capability-list{grid-template-columns:1fr}}
@media(max-width:380px){.case-facts,.job-meta{grid-template-columns:1fr}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .button{width:100%}.discipline-line{grid-template-columns:1fr}}
html[dir=rtl] .primary-nav a:not(.nav-contact):after{transform-origin:inline-start}html[dir=rtl] .text-link span,html[dir=rtl] [aria-hidden=true]{direction:rtl}.gallery-open{overflow:hidden}
@media(max-width:1000px){html:not(.js) .site-header{grid-template-columns:1fr}html:not(.js) .primary-nav{display:flex;flex-wrap:wrap;grid-column:1/-1;padding-block-end:14px}html:not(.js) .language-switcher{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal-pending,.reveal-visible{opacity:1;transform:none;transition:none}.project-visual img,.sector-visual img,.text-link,.button{transition:none!important}.project-story:hover img,.sector-grid article:hover img{transform:none}}

/* Corporate refinement — calm, image-led, executive presentation */
:root{--max:1360px;--gutter:clamp(22px,4vw,64px);--section:clamp(76px,8vw,128px)}
body{background:#f7f7f3;color:#172019}
h1,h2,h3{letter-spacing:-.035em}
h1{font-size:clamp(3rem,5vw,5.6rem)}h2{font-size:clamp(2.25rem,4vw,4.4rem)}
.site-header{position:sticky;min-height:86px;grid-template-columns:210px 1fr auto;padding-inline:max(var(--gutter),calc((100vw - var(--max))/2));background:rgba(255,255,255,.96);color:#172019;border-block-start:3px solid var(--green);border-block-end:1px solid #dfe4df;box-shadow:0 8px 30px rgba(15,39,23,.06);backdrop-filter:blur(16px)}
.site-header.is-scrolled{min-height:74px}.brand{width:188px;padding:0;background:transparent;border-radius:0}.brand-logo{max-height:65px;object-fit:contain}
.primary-nav{gap:4px}.primary-nav a{color:#273229;font-size:.86rem;font-weight:650;padding-inline:14px}.primary-nav a:not(.nav-contact):after{inset-inline:14px;height:2px}.primary-nav a[aria-current=page]:before{display:none}
.nav-contact{min-height:44px!important;margin-inline-start:14px;border:0;border-radius:2px;background:var(--forest);color:#fff!important;padding-inline:20px!important;box-shadow:0 8px 18px rgba(17,77,45,.18)}
.menu-toggle{border-color:#bbc5bd;color:#172019}
.language-switcher{width:100%;max-width:none;min-height:36px;padding-inline:max(var(--gutter),calc((100vw - var(--max))/2));gap:18px;background:#f1f3ef;border:0;font-size:.68rem;letter-spacing:.04em}.language-switcher a[aria-current]{color:var(--forest)}.language-pending small{display:none}
.development-banner{position:fixed;z-index:70;inset-inline-start:18px;inset-block-end:18px;width:auto;padding:7px 11px;border-radius:3px;background:rgba(10,12,11,.82);color:#fff;font-size:.65rem;box-shadow:0 8px 24px rgba(0,0,0,.18);backdrop-filter:blur(10px)}
.menu-toggle{display:none}.epcc-hero{height:clamp(660px,78svh,820px);min-height:0;grid-template-columns:minmax(var(--gutter),1fr) repeat(12,minmax(0,110px)) minmax(var(--gutter),1fr);background:#16251b}
.hero-visual{grid-column:1/-1;min-height:0}.hero-visual>.cms-image,.hero-visual>.neutral-image{position:absolute;inset:0;width:100%;height:100%;min-height:0;filter:saturate(.82) contrast(1.03)}.hero-visual:after{background:linear-gradient(90deg,rgba(8,26,16,.92) 0%,rgba(8,26,16,.78) 34%,rgba(8,26,16,.3) 68%,rgba(8,26,16,.1)),linear-gradient(0deg,rgba(6,18,11,.34),transparent 55%)}
.hero-story{grid-column:2/9;padding-block:70px;align-self:center}.hero-story h1{max-width:13ch;margin-block:18px 25px;font-size:clamp(3.2rem,4.5vw,5.35rem);line-height:.98}.hero-story h1 br{display:none}.hero-story:after{display:none}.hero-description{max-width:46ch;font-size:clamp(1.05rem,1.25vw,1.25rem);line-height:1.65;color:#eef3ef}.hero-actions{margin-block-start:32px}.hero-story .button{min-height:54px;padding-inline:25px;background:#fff;border-color:#fff;color:var(--forest)}.hero-story .button:hover{background:var(--yellow);border-color:var(--yellow)}.hero-story .text-link{border-color:rgba(255,255,255,.7)}
.hero-visual figcaption{inset-inline-end:max(var(--gutter),calc((100vw - var(--max))/2));color:rgba(255,255,255,.76)}
.discipline-line{padding-inline:max(var(--gutter),calc((100vw - var(--max))/2));background:#fff;color:#172019;border-block:0;border-block-end:1px solid #dfe4df}.discipline-line span{padding:19px 20px;border-color:#dfe4df;font-weight:650}.discipline-line span:first-child{border-inline-start:0}
.about-editorial h2,.section-heading h2{max-width:13ch}.service-surface{background:#f0f2ed}.project-surface{background:#102218}.standards{background:#173f29}.contact-editorial{border-radius:4px;box-shadow:0 22px 60px rgba(17,77,45,.14)}
@media(max-width:1000px){.site-header{grid-template-columns:1fr auto}.brand{width:170px}.js .menu-open .primary-nav{inset:89px 0 0;background:#fff}.js .menu-open .primary-nav a{color:#172019;border-color:#dfe4df}.language-switcher{justify-content:center}.epcc-hero{min-height:700px;grid-template-columns:var(--gutter) repeat(8,1fr) var(--gutter)}.hero-story{grid-column:2/8}.hero-story h1{font-size:clamp(3.4rem,8vw,5.4rem)}}
@media(max-width:700px){.site-header{min-height:76px}.brand{width:148px}.language-switcher{min-height:32px}.epcc-hero{min-height:calc(100svh - 108px);display:grid}.hero-story{grid-column:1/-1;padding:100px 22px 90px;align-self:end}.hero-story h1{font-size:clamp(3rem,13vw,4.6rem)}.hero-visual:after{background:linear-gradient(0deg,rgba(8,26,16,.96) 0%,rgba(8,26,16,.58) 60%,rgba(8,26,16,.12))}.hero-visual figcaption{display:none}.development-banner{inset-inline:10px;inset-block-end:10px}.discipline-line{padding-inline:0}}
@media(max-width:1000px){.epcc-hero{height:700px;min-height:0}}
@media(max-width:700px){.epcc-hero{height:calc(100svh - 108px);min-height:620px}.hero-story{padding-block:80px}}
.brand,.brand-logo,.footer-identity img{background:transparent!important}.brand-logo{filter:none}

/* Integrated language menu */
.site-header{grid-template-columns:210px 1fr auto auto}
.language-menu{position:relative;z-index:95;justify-self:end;margin-inline-start:10px;color:#172019}
.language-menu summary{list-style:none;display:flex;align-items:center;gap:8px;min-height:44px;padding:6px 10px 6px 7px;border:1px solid #dce4de;border-radius:999px;background:linear-gradient(135deg,#fff,#f3f7f3);box-shadow:0 5px 16px rgba(15,39,23,.07);font-size:.76rem;font-weight:760;letter-spacing:.01em;cursor:pointer;user-select:none;transition:border-color var(--standard) var(--ease),box-shadow var(--standard) var(--ease),transform var(--fast) var(--ease),background var(--standard) var(--ease)}
.language-menu summary::-webkit-details-marker{display:none}.language-menu summary::marker{content:""}
.language-menu summary:hover{border-color:#9bb9a5;background:#fff;box-shadow:0 9px 24px rgba(15,39,23,.12);transform:translateY(-1px)}
.language-menu[open] summary{border-color:rgba(37,138,75,.55);background:#fff;box-shadow:0 0 0 3px rgba(37,138,75,.09),0 12px 30px rgba(15,39,23,.14)}
.language-globe{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:linear-gradient(145deg,var(--green),var(--forest));color:#fff;box-shadow:0 5px 12px rgba(17,77,45,.22)}
.language-globe svg{display:block}.language-current{min-width:38px;line-height:1;white-space:nowrap}.language-current-code{display:none;color:var(--forest);font-size:.67rem;letter-spacing:.09em}
.language-chevron{display:grid;place-items:center;margin-inline-start:2px;color:#607066;transition:transform var(--standard) var(--ease)}.language-menu[open] .language-chevron{transform:rotate(180deg)}
.language-popover{position:absolute;inset-block-start:calc(100% + 13px);inset-inline-end:0;width:272px;padding:10px;border:1px solid #dce4de;border-radius:14px;background:rgba(255,255,255,.98);box-shadow:0 24px 65px rgba(11,35,20,.2),0 5px 15px rgba(11,35,20,.08);backdrop-filter:blur(18px);transform-origin:top right;animation:language-popover-in 240ms var(--ease)}
.language-popover:before{content:"";position:absolute;inset-block-start:-6px;inset-inline-end:24px;width:11px;height:11px;border-block-start:1px solid #dce4de;border-inline-start:1px solid #dce4de;background:#fff;transform:rotate(45deg)}
.language-popover-title{position:relative;margin:0;padding:7px 10px 9px;color:#718078;font-size:.64rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.language-option{position:relative;display:grid;grid-template-columns:38px 1fr 20px;align-items:center;gap:11px;min-height:58px;padding:8px 10px;border-radius:9px;color:#172019;text-decoration:none;transition:background var(--fast),color var(--fast),transform var(--fast)}
.language-option:hover{background:#edf5ef;color:var(--forest);transform:translateX(2px)}
.language-option[aria-current=page]{background:linear-gradient(100deg,#e7f2e9,#f5f8f5);color:var(--forest)}
.language-option-code{display:grid;place-items:center;width:38px;height:32px;border:1px solid #d5ded7;border-radius:7px;background:#fff;color:#516057;font-size:.65rem;font-weight:850;letter-spacing:.1em;box-shadow:0 3px 9px rgba(15,39,23,.05)}
.language-option[aria-current=page] .language-option-code{border-color:rgba(37,138,75,.3);background:var(--forest);color:#fff}
.language-option-label{display:flex;flex-direction:column;line-height:1.2}.language-option-label strong{font-size:.88rem}.language-option-label small{margin-block-start:3px;color:#7b867e;font-size:.66rem}.language-option-check{justify-self:end;color:var(--green);font-size:.8rem;font-weight:850}
@keyframes language-popover-in{from{opacity:0;transform:translateY(-7px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:1180px) and (min-width:1001px){.language-current{display:none}.language-current-code{display:inline}.primary-nav a{padding-inline:10px}.nav-contact{margin-inline-start:6px}}
@media(max-width:1000px){.site-header{grid-template-columns:1fr auto auto}.brand{grid-column:1;grid-row:1}.language-menu{grid-column:2;grid-row:1;margin-inline:10px 6px}.menu-toggle{grid-column:3;grid-row:1}.language-current{display:none}.language-current-code{display:inline}.js .menu-open .primary-nav{inset-block-start:89px}.menu-open .language-menu{visibility:hidden}}
@media(max-width:520px){.language-menu summary{min-height:42px;padding:5px 8px 5px 6px}.language-globe{width:29px;height:29px}.language-current-code{display:none}.language-chevron{margin-inline-start:0}.language-popover{position:fixed;inset-inline:16px;inset-block-start:78px;width:auto}.language-popover:before{inset-inline-end:84px}.brand{width:138px}}
html[dir=rtl] .language-popover{transform-origin:top left}html[dir=rtl] .language-option:hover{transform:translateX(-2px)}
@media(prefers-reduced-motion:reduce){.language-menu summary,.language-chevron,.language-option{transition:none}.language-popover{animation:none}}

/* Development photography system — generated concepts, never verified project evidence */
.about-image{position:relative;background:#dfe5df url('demo-planning-team.webp') center/cover no-repeat;overflow:hidden}.about-image>.neutral-image{opacity:0}
.service-surface::before,#sectors::before,.project-surface::before,.standards::before,#news::before,.contact-editorial::before{content:"";display:block;width:100%;height:clamp(300px,36vw,560px);background-position:center;background-size:cover;background-repeat:no-repeat}
.service-surface::before{background-image:linear-gradient(90deg,rgba(10,35,20,.12),transparent),url('demo-bridge-construction.webp')}
#sectors::before{background-image:url('demo-building-construction.webp');margin-block-end:clamp(55px,7vw,95px)}
.project-surface::before{background-image:url('demo-bridge-construction.webp');background-position:center 58%}
.standards::before{background-image:linear-gradient(90deg,rgba(17,77,45,.12),transparent),url('demo-hse-inspection.webp')}
#news::before{background-image:url('demo-planning-team.webp');margin-block-end:clamp(55px,7vw,95px)}
.contact-editorial{position:relative;overflow:hidden}.contact-editorial::before{grid-column:1/-1;height:clamp(260px,32vw,440px);margin:-90px -90px 65px;width:calc(100% + 180px);background-image:url('demo-hse-inspection.webp');background-position:center 42%}
.partner-section{position:relative}.partner-section::before{content:"";grid-column:1/-1;width:100%;height:clamp(260px,28vw,420px);margin-block-end:45px;background:url('demo-building-construction.webp') center/cover no-repeat}
.capability-list{position:relative;padding-block-start:clamp(260px,30vw,430px);background:url('demo-hse-inspection.webp') center top/100% clamp(230px,27vw,390px) no-repeat}
.editorial-hero,.trust-hero{position:relative;background-image:linear-gradient(90deg,rgba(9,29,17,.94),rgba(9,29,17,.7) 55%,rgba(9,29,17,.22)),url('demo-building-construction.webp');background-position:center;background-size:cover}.trust-hero{background-image:linear-gradient(90deg,rgba(9,29,17,.94),rgba(9,29,17,.62)),url('demo-hse-inspection.webp')}
.inner-intro,.portfolio-intro{position:relative}.inner-intro::before,.portfolio-intro::before{content:"";grid-column:1/-1;height:clamp(260px,32vw,480px);margin-block-end:45px;background:url('demo-planning-team.webp') center/cover no-repeat}.portfolio-intro::before{background-image:url('demo-bridge-construction.webp')}
@media(max-width:700px){.service-surface::before,#sectors::before,.project-surface::before,.standards::before,#news::before{height:260px}.contact-editorial::before{height:240px;margin:-45px -45px 40px;width:calc(100% + 90px)}.capability-list{padding-block-start:250px;background-size:100% 220px}.inner-intro::before,.portfolio-intro::before{height:240px}}