:root{
  --base:#F6F8FA; --surface:#FFFFFF; --ink:#14181B; --ink-2:#51616C; --line:#E5EAEE;
  --accent:#00AFE5; --accent-2:#2AC5F4; --accent-ink:#052430;
  --link:#0A6E96; --ok:#16794A; /* AA-passing text/link + status colours on light bg */
  --steel:#1A608C; --steel-900:#0E3247; --steel-800:#123f5c;
  --r:10px; --shadow:0 1px 2px rgba(16,40,55,.06),0 10px 30px rgba(16,40,55,.08);
  --wrap:1240px; --pad:clamp(20px,5vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--ink);font-family:'Inter',system-ui,'Segoe UI',Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6;font-size:clamp(15px,1.05vw,17px)}
h1,h2,h3{font-family:'Manrope','Inter',sans-serif;line-height:1.08;letter-spacing:-.015em;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--link)}
.eyebrow.on-dark{color:var(--accent-2)}
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;font-size:.98rem;padding:.85em 1.5em;border-radius:8px;border:1.5px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-steel{background:var(--steel);color:#fff}
.btn-steel:hover{background:var(--steel-800);transform:translateY(-1px)}
.arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
section{padding-block:clamp(56px,8vw,104px)}
.sec-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.7rem);font-weight:800;margin:.35em 0 .3em}
.sec-head p{color:var(--ink-2);font-size:1.06rem;margin:0}

/* MOCKUP ribbon */
.mockbar{background:#0E3247;color:#cfe8f5;font-size:.8rem;text-align:center;padding:7px 12px;letter-spacing:.02em}
.mockbar b{color:#fff}

/* Header */
header.site{position:sticky;top:0;z-index:50;transition:.3s ease;background:linear-gradient(180deg,rgba(8,22,30,.62) 0%,rgba(8,22,30,0) 100%)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;height:78px}
header.site .logo{height:38px;width:auto;filter:drop-shadow(0 1px 6px rgba(0,0,0,.35))}
nav.main{display:flex;gap:30px;align-items:center}
nav.main a{font-weight:600;font-size:.96rem;color:#fff;opacity:.92;position:relative;padding:4px 0}
nav.main a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);transition:.25s}
nav.main a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:18px}
.lang{font-size:.85rem;font-weight:700;color:#fff;opacity:.9}
.lang b{color:var(--accent-2)}
/* scrolled state */
header.site.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line)}
header.site.solid nav.main a,header.site.solid .lang{color:var(--ink)}
header.site.solid .logo{content:url('img/logo-dark.png');filter:none}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.2s}
header.site.solid .burger span{background:var(--ink)}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;color:#fff;margin-top:-78px;padding-top:78px;overflow:hidden}
.hero .bg{position:absolute;inset:0;z-index:-2;background:#081820}
.hero .bg .hs{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%;filter:saturate(.95) contrast(1.05) brightness(.92);opacity:0;transition:opacity 1.2s ease}
.hero .bg .hs.is-active{opacity:1}
.hero .bg .hs:nth-child(3){object-position:74% 50%} /* handshake: shift right so the worker doesn't sit under the copy */
.hero-toggle{position:absolute;right:var(--pad);bottom:104px;z-index:3;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.45);background:rgba(8,22,30,.55);color:#fff;font-size:11px;letter-spacing:1px;cursor:pointer;display:grid;place-items:center;backdrop-filter:blur(4px);transition:.2s}
.hero-toggle:hover{background:rgba(8,22,30,.8);border-color:#fff}
@media(prefers-reduced-motion:reduce){.hero .bg .hs{transition:none}}
.hero .scrim{position:absolute;inset:0;z-index:-1;background:
   linear-gradient(90deg,rgba(8,22,30,.92) 0%,rgba(8,22,30,.8) 36%,rgba(8,22,30,.5) 60%,rgba(8,22,30,.2) 84%,rgba(8,22,30,.04) 100%),
   linear-gradient(0deg,rgba(8,22,30,.82) 4%,rgba(8,22,30,.18) 46%,rgba(8,22,30,0) 74%),
   radial-gradient(110% 80% at 90% 24%,rgba(26,96,140,.20),transparent 58%)}
.hero-inner{padding-bottom:clamp(48px,7vw,96px);max-width:760px}
.hero .since{display:inline-flex;align-items:center;gap:.55em;font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#dff3fc;border:1px solid rgba(255,255,255,.3);padding:.5em .9em;border-radius:100px;margin-bottom:22px}
.hero .since .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(42,197,244,.25)}
.hero h1{font-size:clamp(2.1rem,5.6vw,4rem);font-weight:800;letter-spacing:-.02em;text-shadow:0 2px 30px rgba(0,0,0,.6),0 1px 3px rgba(0,0,0,.45)}
.hero h1 .hl{color:var(--accent-2)}
.hero p.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:#e7eef2;max-width:620px;margin:22px 0 32px;text-shadow:0 1px 18px rgba(0,0,0,.55)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.scrollcue{position:absolute;right:var(--pad);bottom:34px;color:#cfe0e8;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;display:flex;align-items:center;gap:10px;writing-mode:vertical-rl}
@media(max-width:760px){.scrollcue{display:none}}

/* Trust strip */
.trust{background:var(--surface);border-block:1px solid var(--line);padding-block:34px}
.trust .wrap{display:flex;align-items:center;gap:clamp(20px,4vw,54px);flex-wrap:wrap;justify-content:center}
.trust .lbl{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);flex:0 0 auto}
.trust .clients{display:flex;gap:clamp(16px,2.4vw,34px) clamp(18px,2.8vw,40px);flex-wrap:wrap;align-items:center;justify-content:center}
/* 14 names: smaller + tighter than the original 6, so the band stays a band. */
.trust .client{font-family:'Manrope',sans-serif;font-weight:800;font-size:clamp(.95rem,1.35vw,1.2rem);color:#5f6a74;letter-spacing:.02em;transition:.2s;filter:grayscale(1);white-space:nowrap}
.trust .client:hover{color:var(--steel)}

/* Stats */
.stats{background:var(--base)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px)}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,2.4vw,34px)}
.stat .num{font-family:'Manrope',sans-serif;font-weight:800;font-size:clamp(2.2rem,4.4vw,3.4rem);line-height:1;color:var(--steel);letter-spacing:-.02em}
.stat .num small{color:var(--link);font-size:.6em}
.stat .cap{margin-top:10px;color:var(--ink-2);font-size:.95rem;font-weight:500}
.stat.iso .num{font-size:clamp(1.4rem,2.4vw,1.9rem)}
@media(max-width:820px){.stats .grid{grid-template-columns:repeat(2,1fr)}}

/* Services */
.services .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px)}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,2.4vw,30px);transition:.25s ease;position:relative;overflow:hidden}
.svc::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:.25s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.svc:hover::before{transform:scaleY(1)}
.svc .ico{width:46px;height:46px;border-radius:10px;background:rgba(0,175,229,.1);display:grid;place-items:center;color:var(--steel);margin-bottom:18px}
.svc h3{font-size:1.18rem;font-weight:700}
.svc p{color:var(--ink-2);font-size:.96rem;margin:.5em 0 1em}
.svc .more{font-weight:700;font-size:.9rem;color:var(--link);display:inline-flex;gap:.4em;align-items:center}
@media(max-width:820px){.services .grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.services .grid{grid-template-columns:1fr}}

/* Projects */
.projects{background:var(--surface)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{border:1px solid var(--line);background:var(--base);color:var(--ink-2);font-weight:600;font-size:.9rem;font-family:inherit;padding:.5em 1.1em;border-radius:100px;cursor:pointer;transition:.2s;appearance:none;-webkit-appearance:none;line-height:1.4}
.chip:hover{border-color:var(--accent)}
.chip.active{background:var(--steel);color:#fff;border-color:var(--steel)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.8vw,24px)}
.card{border-radius:var(--r);overflow:hidden;background:var(--surface);border:1px solid var(--line);transition:.25s ease;cursor:pointer}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.card:hover .thumb img{transform:scale(1.06)}
.card .tag{position:absolute;top:12px;left:12px;background:#0d222e;color:#fff;font-weight:700;font-size:.74rem;letter-spacing:.04em;padding:.4em .8em;border-radius:6px}
.card .body{padding:18px 18px 20px}
.card h3{font-size:1.12rem;font-weight:700;letter-spacing:-.01em}
.card .meta{margin-top:8px;color:var(--ink-2);font-size:.85rem;display:flex;gap:.5em;flex-wrap:wrap;align-items:center}
.card .meta .dot{width:3px;height:3px;border-radius:50%;background:#c3ccd3}
.card .status{color:var(--ok);font-weight:600}
.projects .foot{margin-top:38px;text-align:center}
@media(max-width:820px){.pgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.pgrid{grid-template-columns:1fr}}

/* HSE dark band */
.hse{background:var(--steel-900);color:#eaf4fa;position:relative;overflow:hidden}
.hse::after{content:"";position:absolute;right:-80px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,175,229,.18),transparent 70%)}
.hse .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center;position:relative;z-index:1}
.hse h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;color:#fff}
.hse p{color:#c4dcea;margin:.7em 0 0;font-size:1.05rem}
.hse .points{display:grid;gap:16px}
.hse .pt{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:18px 20px}
.hse .pt .ck{flex:0 0 auto;width:34px;height:34px;border-radius:8px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800}
.hse .pt b{color:#fff;font-family:'Manrope',sans-serif;font-size:1.02rem}
.hse .pt span{display:block;color:#a9c8da;font-size:.9rem;margin-top:2px}
.certs{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.certs .c{border:1px solid rgba(255,255,255,.22);border-radius:8px;padding:.6em 1em;font-weight:700;font-size:.86rem;color:#dff1fa;letter-spacing:.03em}
@media(max-width:820px){.hse .grid{grid-template-columns:1fr}}

/* CTA / contact */
.cta{background:var(--base)}
.cta .box{background:linear-gradient(120deg,var(--steel) 0%,var(--steel-900) 100%);border-radius:16px;padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;color:#fff;position:relative;overflow:hidden}
.cta .box::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 90% 10%,rgba(0,175,229,.22),transparent)}
.cta h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;position:relative;z-index:1}
.cta p{color:#cfe3ef;margin:.6em 0 0;position:relative;z-index:1}
.cta .info{position:relative;z-index:1;display:grid;gap:14px}
.cta .info .row{display:flex;gap:12px;align-items:center;font-size:.98rem}
.cta .info .row .ic{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.12);display:grid;place-items:center;flex:0 0 auto}
.cta .actions{margin-top:20px;position:relative;z-index:1}
@media(max-width:820px){.cta .box{grid-template-columns:1fr}}

/* Footer */
footer.site{background:#0A2536;color:#9db4c2;padding-block:60px 30px;font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
footer.site .logo{height:36px;margin-bottom:16px}
footer.site h4{color:#fff;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 16px;font-family:'Inter',sans-serif}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
footer.site a:hover{color:var(--accent-2)}
footer.site .about{max-width:320px;line-height:1.7}
footer.site .legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:.82rem;color:#9fb6c4}
footer.site .social{display:flex;gap:10px;margin-top:18px}
footer.site .social a{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.2s}
footer.site .social a:hover{background:var(--accent);color:var(--accent-ink)}
@media(max-width:820px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer.site .cols{grid-template-columns:1fr}}

/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Mobile nav */
/* Mobile hero: the pause toggle's bottom:104px lands exactly on the CTA row and
   covers the second button, so move it under the header instead. */
@media(max-width:900px){
  .hero-toggle{top:96px;bottom:auto}
  .hero .since{max-width:100%;letter-spacing:.08em}
}
@media(max-width:900px){
  /* Closed state must clear the top of the viewport. -120% is 120% of the MENU's
     own height, but the menu starts 78px down, so a short menu leaves a strip
     showing (277px tall -> bottom edge lands at 78 - .2*277 = 23px). Move it by
     its full height plus that 78px offset instead, and take it out of the
     keyboard order while hidden. */
  nav.main{position:fixed;inset:78px 0 auto 0;background:#0A2536;flex-direction:column;gap:0;padding:10px 0;transform:translateY(calc(-100% - 78px));visibility:hidden;transition:transform .3s,visibility .3s;box-shadow:0 20px 40px rgba(0,0,0,.3)}
  nav.main.open{transform:none;visibility:visible}
  nav.main a{color:#fff;padding:14px var(--pad);width:100%;border-bottom:1px solid rgba(255,255,255,.06)}
  .header-cta .btn{display:none}
  .burger{display:block}
}

/* Suppress the floating GTranslate flag widget on the homepage (header has its own EL/EN) */
.gtranslate_wrapper{display:none!important}