:root{--navy:#16344A;--navy-d:#0f2536;--blue:#0AAFEF;--blue-d:#0672a0;--bg:#F5F7F9;--text:#17212B;--muted:#5a6772;--line:#dde3e8;--max:1180px;--hh:76px;--radius:4px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hh) + 8px)}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 .6em;color:var(--navy);letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;inset-inline-start:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{inset-inline-start:0}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}

.label{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-d);margin-bottom:1rem}
.label-light{color:var(--blue)}
.muted{color:var(--muted)}

.btn{display:inline-block;padding:13px 26px;font-weight:600;font-size:.95rem;text-decoration:none;border:2px solid transparent;border-radius:4px;transition:background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--blue);color:#06202f}
.btn-primary:hover{background:#27c0fb}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.8rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(rgba(15,37,54,.9),rgba(15,37,54,.82)),url(../img/hero-bg.jpg) center 18%/cover var(--navy);box-shadow:0 1px 0 rgba(255,255,255,.08);transition:box-shadow .2s}
.header-in{display:flex;align-items:center;justify-content:space-between;height:var(--hh);transition:height .2s}
.brand img{height:calc(var(--hh) - 22px);width:auto;transition:height .2s}
.site-header.compact{box-shadow:0 4px 18px rgba(0,0,0,.25)}
.site-header.compact .header-in{height:62px}
.site-header.compact .brand img{height:42px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:#e6eef4;text-decoration:none;font-size:.92rem;font-weight:500}
.nav a:hover{color:var(--blue)}
.nav .nav-cta{color:#06202f;padding:10px 20px}
.nav .nav-cta:hover{color:#06202f}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;background:var(--navy-d);color:#fff;min-height:min(78vh,720px);display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,37,54,.95) 0%,rgba(15,37,54,.82) 45%,rgba(15,37,54,.62) 100%),url(../img/hero-bg.jpg) center/cover no-repeat}
.hero-in{position:relative;width:100%;padding-top:70px;padding-bottom:70px}
.hero h1{color:#fff;font-size:clamp(2.2rem,5.6vw,4rem);font-weight:800;max-width:15em}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:38em;color:#d6e2eb}

/* sections */
.section{padding:clamp(56px,8vw,104px) 0}
.section-alt{background:var(--bg)}
.section-dark{background:var(--navy);color:#d6e2eb}
.section-dark h2,.section-dark h3{color:#fff}
.head{max-width:44rem;margin-bottom:2.6rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.photo{margin:0}
.photo img{width:100%;border-radius:4px;box-shadow:0 18px 40px -18px rgba(15,37,54,.45);border-bottom:4px solid var(--blue)}

.grid{display:grid;gap:22px}
.cols3{grid-template-columns:repeat(3,1fr)}
.why{padding-top:18px;border-top:3px solid var(--blue)}
.why p{color:var(--muted);font-size:.95rem;margin:0}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:240px;gap:16px}
.g{margin:0;position:relative;overflow:hidden;border-radius:4px;background:var(--navy)}
.g img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.g:hover img{transform:scale(1.04)}
.g-wide{grid-column:span 2}
.g figcaption{position:absolute;left:0;bottom:0;right:0;padding:26px 16px 12px;color:#fff;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;background:linear-gradient(transparent,rgba(10,25,38,.85))}

.contact{align-items:start}
.lead-sm{font-size:1.2rem;color:#fff;font-weight:600}
.details{margin:0;display:grid;gap:0;border-top:1px solid rgba(255,255,255,.18)}
.details div{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.details dt{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:700;padding-top:3px}
.details dd{margin:0;color:#fff;overflow-wrap:anywhere}
.details a{text-decoration:none}
.details a:hover{color:var(--blue)}

.site-footer{background:var(--navy-d);color:#b6c5d1;font-size:.92rem}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px;padding-top:56px;padding-bottom:40px}
.foot-logo{height:70px;width:auto;margin-bottom:16px}
.foot h2{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.foot a{display:block;color:#b6c5d1;text-decoration:none;padding:3px 0;overflow-wrap:anywhere}
.foot a:hover{color:var(--blue)}
.grp{color:#fff;font-weight:600}
.copy{margin:0;padding:18px 20px;text-align:center;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}

/* scroll reveal */
.js-reveal .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}
.js-reveal .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* responsive */
@media (max-width:860px){
  :root{--hh:68px}
  .split,.cols3,.foot{grid-template-columns:1fr}
  .split .photo{order:-1}
  #manufacturing .photo{order:2}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
}
@media (max-width:520px){
  .gallery{grid-template-columns:1fr}
  .g-wide{grid-column:auto}
  .details div{grid-template-columns:1fr;gap:2px}
  .btn{flex:1 1 100%;text-align:center}
}

/* content update: sectors, approach, services, partners */
.approach{margin-top:clamp(40px,6vw,72px);padding-top:32px;border-top:1px solid var(--line)}
.approach h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.14em;color:var(--blue-d)}
.steps{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:0}
.steps li{padding:14px 0;padding-inline-end:14px;font-weight:600;color:var(--navy);font-size:.92rem;border-top:3px solid var(--blue);position:relative;line-height:1.3}
.steps li span{display:block;font-size:.75rem;color:var(--muted);letter-spacing:.1em;margin-bottom:4px}
.svc-wrap{display:grid;gap:24px}
.svc{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px);background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:4px;padding:clamp(24px,4vw,44px)}
.svc-num{display:block;font-size:2.4rem;font-weight:800;color:var(--blue);line-height:1;margin-bottom:12px}
.svc-head h3{font-size:1.5rem}
.svc-head p{color:var(--muted)}
.svc-head .label{margin-bottom:.6rem}
.svc-img{margin-top:20px}
.svc-img img{aspect-ratio:16/10;object-fit:cover}
.svc-lead{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-d);margin-bottom:12px}
.chk{list-style:none;margin:0;padding:0;columns:2;column-gap:32px}
.chk li{break-inside:avoid;padding:9px 0;padding-inline-start:26px;border-bottom:1px solid #eef1f4;font-weight:500;color:var(--navy);position:relative}
.chk li:before{content:"";position:absolute;inset-inline-start:0;top:1.05em;width:12px;height:2px;background:var(--blue)}
.why-grid{gap:32px 28px}
.partners{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.partner{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:4px;padding:24px}
.partner h3{font-size:1rem;margin:16px 0 6px;letter-spacing:.02em;overflow-wrap:anywhere}
.partner p{margin:0;color:#b6c5d1;font-size:.92rem}
.plabel{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:700}
.plogo{margin-top:12px;height:84px;display:flex;align-items:center;justify-content:center;border:1px dashed rgba(255,255,255,.35);border-radius:3px;color:#fff;font-weight:800;font-size:1.5rem;letter-spacing:.06em}
@media (max-width:1020px){.steps{grid-template-columns:repeat(4,1fr);row-gap:10px}}
@media (max-width:860px){.svc{grid-template-columns:1fr}.chk{columns:2;column-gap:24px}.nav{gap:0}}
@media (max-width:520px){.chk{columns:1}}
@media (max-width:520px){.steps{grid-template-columns:repeat(2,1fr)}}
.partner .pcountry{margin-top:14px;padding-top:12px;border-top:1px solid rgba(255,255,255,.14);color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.partner{display:flex;flex-direction:column}
.partner p:not(.pcountry){margin-bottom:16px}
.partner .pcountry{margin-top:auto}

/* components gallery */
.comps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.comp{margin:0;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.comp:hover{box-shadow:0 14px 30px -16px rgba(15,37,54,.35);border-color:var(--blue)}
.comp-img{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:14px;background:#fff}
.comp-img img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.comp figcaption{padding:12px 16px;border-top:1px solid var(--line);font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--navy)}
@media (min-width:1021px){.comp-wide{grid-column:span 2}.comp-wide .comp-img{aspect-ratio:8/3}}
@media (max-width:1020px){.comps{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.comps{grid-template-columns:repeat(2,1fr)}}


/* language switcher */
.lang-switch{display:flex;gap:6px;margin-inline-start:6px}
.lang{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid rgba(255,255,255,.28);color:#e6eef4;font:inherit;font-size:.78rem;font-weight:600;padding:5px 8px;border-radius:4px;cursor:pointer;transition:border-color .2s,background .2s}
.lang:hover{border-color:var(--blue)}
.lang[aria-pressed=true]{border-color:var(--blue);background:rgba(10,175,239,.18);color:#fff}
.flag{width:20px;height:13px;border-radius:2px;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.25)}

/* narrower desktop: collapse the nav earlier (more items now) */
@media (max-width:1100px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--navy);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;display:none;box-shadow:0 14px 24px rgba(0,0,0,.3)}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav .nav-cta{margin-top:14px;text-align:center;border:0}
  .lang-switch{margin:16px 0 0}
  .lang{padding:8px 12px}
}

/* RTL / Arabic */
[dir=rtl] .nav{text-align:start}
[dir=rtl] .details a,[dir=rtl] .foot a[dir=ltr]{display:inline-block;direction:ltr;unicode-bidi:isolate}
[dir=rtl] .foot a[dir=ltr]{display:block;text-align:end}
[lang=ar] body{font-family:Cairo,Inter,system-ui,-apple-system,"Segoe UI",Tahoma,Arial,sans-serif;line-height:1.8}
[lang=ar] *{letter-spacing:0!important;text-transform:none!important}
[lang=ar] h1,[lang=ar] h2,[lang=ar] h3{line-height:1.35;letter-spacing:0}
[lang=ar] .label,[lang=ar] .svc-lead,[lang=ar] .plabel,[lang=ar] .pcountry,[lang=ar] .comp figcaption,[lang=ar] .g figcaption{font-size:.9rem}

.plogo.has-logo{background:#fff;border:0;padding:6px}
.plogo.has-logo img{height:100%;width:auto;max-width:100%;object-fit:contain}

/* hero: logo-inspired composition */
.hero-in{display:grid;grid-template-columns:1.25fr .75fr;grid-template-areas:"copy exp" "copy svc";column-gap:clamp(32px,6vw,88px);row-gap:28px;align-items:center}
.hero-copy{grid-area:copy}.hero-services{grid-area:svc}
.hero-line{display:block;position:relative;height:3px;width:min(340px,70%);margin:0 0 1.6rem;background:linear-gradient(90deg,transparent,var(--blue) 25%)}
[dir=rtl] .hero-line{background:linear-gradient(270deg,transparent,var(--blue) 25%)}
.hero-line:after{content:"";position:absolute;top:-2px;inset-inline-end:-26px;width:22px;height:7px;background:repeating-linear-gradient(115deg,var(--blue) 0 3px,transparent 3px 8px)}
.hero-services{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.hero-services li{display:flex;align-items:center;gap:18px;padding:18px 22px;border:1px solid rgba(255,255,255,.16);border-inline-start:3px solid var(--blue);background:rgba(255,255,255,.04);font-size:.82rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:#fff}
.hero-services svg{width:44px;height:44px;flex:none;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.hero-services svg .ac{stroke:var(--blue)}
[lang=ar] .hero-services li{font-size:1rem}
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr}
  .hero-services{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-services li{flex-direction:column;text-align:center;gap:10px;padding:14px 8px;border-inline-start:1px solid rgba(255,255,255,.16);border-top:3px solid var(--blue);font-size:.68rem;letter-spacing:.1em}
}
@media (max-width:420px){.hero-services li{font-size:.62rem}.hero-services svg{width:36px;height:36px}}
.hero-copy h1{font-size:clamp(2.1rem,4.4vw,3.5rem)}

/* since 2008 / 18 years */
.hero-exp{grid-area:exp;align-self:end;padding-inline-start:22px;border-inline-start:3px solid var(--blue)}
.hero-exp .since{display:block;font-size:.85rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--blue);margin-bottom:6px}
.hero-exp .years{display:flex;align-items:center;gap:18px}
.hero-exp strong{font-size:clamp(5rem,9vw,8rem);line-height:.9;font-weight:800;color:#fff;letter-spacing:-.03em}
.hero-exp .years span{font-size:clamp(1.1rem,1.8vw,1.5rem);font-weight:600;line-height:1.25;color:#d6e2eb;max-width:7.5em}
[lang=ar] .hero-exp .since{font-size:1.1rem}
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;grid-template-areas:"copy" "exp" "svc"}
  .hero-exp{align-self:start}
  .hero-exp strong{font-size:5rem}
}

[dir=rtl] .hero-bg{background:linear-gradient(270deg,rgba(15,37,54,.95) 0%,rgba(15,37,54,.82) 45%,rgba(15,37,54,.62) 100%),url(../img/hero-bg.jpg) center/cover no-repeat}
@media (max-width:860px){.hero-bg,[dir=rtl] .hero-bg{background:linear-gradient(rgba(15,37,54,.9),rgba(15,37,54,.8)),url(../img/hero-bg.jpg) center/cover no-repeat}}

/* masonry gallery */
.masonry{columns:3;column-gap:16px}
.mas{position:relative;margin:0 0 16px;break-inside:avoid;overflow:hidden;border-radius:4px;background:var(--navy)}
.mas img{width:100%;height:auto;display:block;transition:transform .5s}
.mas:hover img{transform:scale(1.03)}
.mas-white{background:#fff;border:1px solid var(--line)}
.mas-white img{padding:12px}
.mas figcaption{position:absolute;inset-inline:0;bottom:0;padding:26px 16px 12px;color:#fff;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;background:linear-gradient(transparent,rgba(10,25,38,.85))}
.mas-white figcaption{background:linear-gradient(transparent,rgba(10,25,38,.78))}
[lang=ar] .mas figcaption{font-size:.9rem}
@media (max-width:860px){.masonry{columns:2}}


/* chiller types strip inside service panel */
.svc-more{grid-column:1/-1;margin-top:8px;padding-top:24px;border-top:1px solid var(--line)}
.comps.comps-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:760px){.comps.comps-3{grid-template-columns:repeat(2,1fr)}}


.btn .wa{width:1.15em;height:1.15em;vertical-align:-.2em;margin-inline-end:8px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}


/* ===== refinement layer: header, language switcher, states, footer ===== */
.site-header{background:linear-gradient(rgba(15,37,54,.94),rgba(15,37,54,.88)),url(../img/hero-bg.jpg) center 18%/cover var(--navy);box-shadow:0 1px 0 rgba(255,255,255,.1)}
.brand{display:block;line-height:0}
.brand img{height:calc(var(--hh) - 26px)}
.site-header.compact .header-in{height:60px}
.site-header.compact .brand img{height:38px}
.nav{gap:30px}
.nav a:not(.btn){position:relative;color:#d3e0ea;font-size:.88rem;font-weight:500;letter-spacing:.01em;padding:6px 0;transition:color .2s}
.nav a:not(.btn):hover{color:#fff}
.nav a:not(.btn):after{content:"";position:absolute;inset-inline:0;bottom:-2px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:center;transition:transform .25s}
.nav a:not(.btn):hover:after,.nav a[aria-current=true]:after{transform:scaleX(1)}
.nav a[aria-current=true]{color:#fff}
.nav .nav-cta{padding:10px 22px;font-size:.84rem;font-weight:600;letter-spacing:.02em}
.lang-switch{display:inline-flex;margin-inline-start:2px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);overflow:hidden}
.lang{gap:6px;border:0;border-radius:0;padding:7px 10px;font-size:.74rem;font-weight:600;letter-spacing:.04em;color:#c4d3df;background:transparent}
.lang+.lang{border-inline-start:1px solid rgba(255,255,255,.14)}
.lang:hover{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.lang[aria-pressed=true]{color:#fff;background:rgba(10,175,239,.24)}
.lang:focus-visible{outline-offset:-3px}
.flag{width:18px;height:12px}
.btn{border-radius:var(--radius)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,.nav a:focus-visible,.lang:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.btn-ghost:focus-visible{outline-color:#fff}
.note{margin:20px 0 0;font-size:.85rem;color:var(--muted)}
@media (max-width:1100px){
  .nav{max-height:calc(100vh - var(--hh));overflow-y:auto;padding:6px 20px 22px;gap:0}
  .nav a:not(.btn){padding:15px 0;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav a:not(.btn):after{display:none}
  .nav a[aria-current=true]{box-shadow:inset 3px 0 0 var(--blue);padding-inline-start:14px}
  [dir=rtl] .nav a[aria-current=true]{box-shadow:inset -3px 0 0 var(--blue)}
  .nav .nav-cta{margin-top:18px;padding:13px 22px;font-size:.95rem}
  .lang-switch{display:flex;width:100%;margin:14px 0 0}
  .lang{flex:1;justify-content:center;padding:11px 10px;font-size:.82rem}
}
.foot{grid-template-columns:1.5fr .8fr 1.2fr 1fr;gap:40px 48px}
.foot p{margin:0 0 .5em}
.foot-sub{margin-top:14px!important;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#8fa5b6}
.copy{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;max-width:var(--max);margin:0 auto;padding:20px;text-align:start}
.copy p{margin:0}
.copy a{color:#b6c5d1;text-decoration:none}
.copy a:hover{color:var(--blue)}
.site-footer{border-top:3px solid var(--blue)}
.foot,.copy{position:relative}
@media (max-width:1020px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.foot{grid-template-columns:1fr}.copy{flex-direction:column;align-items:flex-start}}
[dir=rtl] .copy{text-align:start}
[lang=ar] .nav a:not(.btn){font-size:1rem}
[lang=ar] .foot-sub{letter-spacing:0;font-size:.85rem}
.details a,.foot a[dir=ltr]{white-space:nowrap}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.svc-num{color:var(--blue-d)}
.plabel{color:#52c6f3}

/* small screens: keep photo grids two-up instead of one long column */
@media (max-width:480px){
  .comps,.comps.comps-3{gap:10px;grid-template-columns:repeat(2,1fr)}
  .comp-img{padding:8px}
  .comp figcaption,.mas figcaption{padding:9px 10px;font-size:.62rem;letter-spacing:.06em}
  .mas figcaption{padding-top:20px}
  .masonry{columns:2;column-gap:10px}
  .mas{margin-bottom:10px}
}