/* ============================================================
   Terminal Yapı — Corporate Website
   Design language extracted from corporate deck
   navy #0C1A2B · card-navy #1B3A5A · blue #3D6E9C · red #D8232C
   Display: Saira Condensed (~Bahnschrift)  ·  Body: Inter
   ============================================================ */

:root{
  --navy:#0C1A2B;
  --navy-2:#122A44;
  --navy-card:#1B3A5A;
  --blue:#3D6E9C;
  --blue-soft:#6E97C0;
  --red:#D8232C;
  --light:#E9EEF4;
  --grey:#586373;
  --line:#e4e8ee;
  --white:#ffffff;
  --maxw:1240px;
  --font-display:'Bahnschrift','Saira Condensed','Arial Narrow',sans-serif;
  --font-body:'Segoe UI','Inter',system-ui,Arial,sans-serif;
  --shadow:0 18px 50px -24px rgba(12,26,43,.35);
  --shadow-sm:0 8px 24px -14px rgba(12,26,43,.45);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- typography helpers ---------- */
.eyebrow{
  color:var(--blue);
  font:600 .78rem/1 var(--font-body);
  letter-spacing:.24em;
  text-transform:uppercase;
}
.eyebrow.on-dark{color:var(--blue-soft)}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.02;letter-spacing:.01em}
.section-title{font-size:clamp(2rem,4.4vw,3.4rem);text-transform:none;margin:.8rem 0 0}
.eyebrow{display:inline-block}
.section{padding:clamp(64px,9vw,120px) 0}
.section.tight{padding:clamp(48px,6vw,84px) 0}
.lead{font-size:1.08rem;color:var(--grey);max-width:60ch}

/* red/blue square motif */
.motif{display:flex;gap:6px;margin-bottom:22px}
.motif span{width:13px;height:13px;display:block}
.motif span:nth-child(1){background:var(--blue)}
.motif span:nth-child(2){background:var(--red)}
.motif span:nth-child(3){background:#8a96a3}
.motif span:nth-child(4){background:#3f8f4e}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  transition:background .3s,box-shadow .3s,padding .3s;
  padding:18px 0;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header.scrolled{background:rgba(12,26,43,.96);box-shadow:0 6px 24px -16px #000;padding:11px 0;backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:38px;width:auto}
.brand .wordmark{font-family:var(--font-display);font-weight:700;font-size:1.35rem;color:#fff;letter-spacing:.04em;line-height:1}
.brand .wordmark small{display:block;font-size:.52rem;letter-spacing:.34em;color:var(--blue-soft);font-weight:600}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:#dfe6ef;font-size:.93rem;font-weight:500;letter-spacing:.01em;position:relative;padding:4px 0}
.nav a:hover{color:#fff}
.nav a.cta{
  background:var(--red);color:#fff;padding:10px 22px;border-radius:2px;font-weight:600;letter-spacing:.04em;
}
.nav a.cta:hover{background:#b81d25}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.nav-toggle span{width:26px;height:2px;background:#fff;display:block;transition:.3s}

/* right-side group: nav + header tools (lang switch, hamburger) */
.header-right{display:flex;align-items:center;gap:14px}
.header-tools{display:flex;align-items:center;gap:12px}

/* language switcher (native <details>) */
.lang-switch{position:relative}
.lang-switch summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;
  color:#dfe6ef;font-weight:600;font-size:.88rem;letter-spacing:.08em;padding:7px 11px;
  border:1px solid rgba(255,255,255,.25);border-radius:3px}
.lang-switch summary::-webkit-details-marker{display:none}
.lang-switch summary::after{content:"▾";font-size:.7em;opacity:.85}
.lang-switch summary:hover{color:#fff;border-color:rgba(255,255,255,.55)}
.lang-switch[open] summary{color:#fff;border-color:rgba(255,255,255,.55)}
.lang-menu{position:absolute;right:0;top:130%;background:#fff;border-radius:4px;box-shadow:var(--shadow);
  padding:6px;min-width:168px;z-index:200}
.lang-menu a{display:block;color:var(--navy);padding:9px 12px;border-radius:3px;font-size:.9rem;font-weight:500}
.lang-menu a:hover{background:var(--light);color:var(--navy)}
.lang-menu a.active{background:var(--navy);color:#fff}
.lang-mobile{display:none}

/* dropdown */
.has-drop{position:relative}
.drop{
  position:absolute;top:130%;left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;min-width:230px;border-radius:4px;box-shadow:var(--shadow);
  padding:8px;opacity:0;visibility:hidden;transition:.22s;
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:block;color:var(--navy);padding:9px 14px;border-radius:3px;font-size:.9rem}
.drop a:hover{background:var(--light);color:var(--navy)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  color:#fff;background:var(--navy);overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(110deg,var(--navy) 28%,rgba(12,26,43,.76) 58%,rgba(12,26,43,.52)),
    linear-gradient(to top,rgba(7,15,26,.7),rgba(7,15,26,0) 30%)}
.hero .container{position:relative;z-index:2;padding-top:120px;padding-bottom:60px}
.hero .eyebrow{margin-bottom:22px}
.hero h1{font-size:clamp(2.7rem,7vw,6rem);max-width:16ch;letter-spacing:0}
.hero h1 .accent{color:var(--blue-soft)}
.hero p.tag{font-size:clamp(1.05rem,2.2vw,1.5rem);color:#cdd8e6;margin-top:24px;max-width:46ch;font-weight:300}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.03em;
  padding:14px 30px;border-radius:2px;font-size:.95rem;transition:.2s;cursor:pointer;border:0}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:#b81d25;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

.hero-stats{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.14);
  margin-top:64px;padding-top:34px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.hero-stats .stat .num{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,3.6vw,3rem);color:#fff;line-height:1}
.hero-stats .stat .lbl{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-soft);margin-top:8px}

/* ============================================================
   WHO WE ARE
   ============================================================ */
.who{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,90px);align-items:center}
.who .who-img{position:relative}
.who .who-img img{width:100%;height:100%;max-height:620px;object-fit:cover;border-radius:4px;box-shadow:var(--shadow)}
.who .who-img .badge-since{
  position:absolute;left:-22px;bottom:34px;background:var(--red);color:#fff;
  font-family:var(--font-display);font-weight:700;padding:16px 22px;border-radius:3px;line-height:1;box-shadow:var(--shadow-sm)}
.who .who-img .badge-since b{font-size:2rem;display:block}
.who .who-img .badge-since small{font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;opacity:.85}
.who p{color:var(--grey);margin-top:22px}
.who p + p{margin-top:16px}

/* ============================================================
   NUMBERS
   ============================================================ */
.numbers-sec{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.numbers-sec .watermark{position:absolute;right:-3%;top:-30%;font-family:var(--font-display);font-weight:700;
  font-size:38vw;color:#fff;opacity:.03;line-height:1;pointer-events:none;user-select:none}
.numbers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;position:relative;z-index:2}
.num-card{background:var(--navy-2);border-left:3px solid var(--red);padding:30px 28px;border-radius:0 4px 4px 0}
.num-card .n{font-family:var(--font-display);font-weight:700;font-size:clamp(2.4rem,5vw,3.6rem);line-height:1;color:#fff}
.num-card .d{color:#aab8c8;margin-top:10px;font-size:.96rem;max-width:26ch}

/* ============================================================
   CAPABILITIES
   ============================================================ */
.caps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.cap{padding:30px 26px;border:1px solid var(--line);border-radius:5px;transition:.25s;background:#fff}
.cap:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.cap .ci{width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;margin-bottom:18px}
.cap .ci svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.7}
.cap h3{font-size:1.45rem;margin-bottom:8px}
.cap p{color:var(--grey);font-size:.94rem}

/* ============================================================
   PROJECT CATEGORIES
   ============================================================ */
.cats-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.cat-card{position:relative;border-radius:6px;overflow:hidden;min-height:330px;display:flex;align-items:flex-end;
  color:#fff;box-shadow:var(--shadow-sm);isolation:isolate}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .6s}
.cat-card::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(to top,rgba(8,18,30,.92) 8%,rgba(8,18,30,.45) 55%,rgba(8,18,30,.15))}
.cat-card:hover img{transform:scale(1.07)}
.cat-card .cc-body{padding:28px}
.cat-card .cc-no{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--blue-soft);letter-spacing:.1em}
.cat-card h3{font-size:1.9rem;margin:4px 0 8px}
.cat-card p{font-size:.92rem;color:#c8d3e0;max-width:34ch}
.cat-card .go{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.04em;
  font-size:.82rem;text-transform:uppercase;color:#fff}
.cat-card .go svg{width:18px;height:18px;transition:.25s}
.cat-card:hover .go svg{transform:translateX(5px)}
.cat-card .go .ln{height:1px;width:34px;background:var(--red)}

/* ============================================================
   CHAIRMAN
   ============================================================ */
.chair{background:var(--navy);color:#fff;overflow:hidden}
.chair .grid{display:block;max-width:980px}
.chair blockquote{font-family:var(--font-display);font-weight:500;font-size:clamp(1.5rem,2.8vw,2.2rem);
  line-height:1.32;letter-spacing:.005em}
.chair .who-name{margin-top:24px;font-weight:600;color:#fff}
.chair .who-name small{display:block;color:var(--blue-soft);font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;margin-top:4px}
.chair .section-title{max-width:24ch}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.value{background:var(--navy-2);border:1px solid #22384f;border-top:3px solid var(--red);
  border-radius:6px;padding:34px 30px 30px;transition:transform .25s,box-shadow .25s}
.value:hover{transform:translateY(-5px);box-shadow:0 24px 54px -28px rgba(0,0,0,.7)}
.value .vi{width:48px;height:48px;border-radius:50%;background:rgba(110,151,192,.14);
  display:grid;place-items:center;margin-bottom:20px}
.value .vi svg{width:23px;height:23px;stroke:var(--blue-soft);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.value h4{font-family:var(--font-display);font-size:1.4rem;margin-bottom:9px;color:#fff;letter-spacing:.01em}
.value p{font-size:.9rem;color:#a9bacb;line-height:1.6}

/* ============================================================
   GLOBAL PRESENCE / GLOBE
   ============================================================ */
.globe-sec{background:#fff;color:var(--navy);overflow:hidden}
.globe-sec .eyebrow{color:var(--blue)}
.globe-wrap{display:grid;grid-template-columns:300px 1fr;gap:40px;margin-top:42px;align-items:center}
.region-btns{display:flex;flex-direction:column;gap:10px}
.region-btns button{
  text-align:left;background:#f3f6fa;color:var(--navy);border:1px solid var(--line);border-left:3px solid transparent;
  padding:15px 18px;border-radius:3px;cursor:pointer;transition:.2s;font-family:var(--font-body);font-size:.95rem;font-weight:600}
.region-btns button:hover,.region-btns button.active{border-left-color:var(--red);background:#eaf0f7;transform:translateX(3px)}
.region-btns button small{display:block;color:var(--grey);font-size:.74rem;margin-top:2px;letter-spacing:.02em;font-weight:400}
.rb-break{display:none}
.globe-wrap>div{min-width:0}
#globe{width:100%;min-width:0;min-height:560px;display:flex;justify-content:flex-start;align-items:center;cursor:grab;overflow:hidden}
#globe:active{cursor:grabbing}
.globe-fallback{display:none;text-align:center;color:var(--grey);padding:60px 20px}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.cert{display:flex;gap:18px;align-items:flex-start;padding:24px;border:1px solid var(--line);border-radius:5px}
.cert .k{font-family:var(--font-display);font-weight:700;font-size:1.4rem;color:var(--navy);min-width:96px;flex-shrink:0;line-height:1.05}
.cert .v{font-size:.9rem;color:var(--grey)}
.cert .v b{display:block;color:var(--navy);font-size:.96rem;font-family:var(--font-body);font-weight:700;margin-bottom:2px}
.partners{display:flex;flex-wrap:wrap;gap:34px;align-items:center;margin-top:46px;padding-top:34px;border-top:1px solid var(--line)}
.partners img{height:42px;width:auto;filter:grayscale(1);opacity:.7;transition:.25s}
.partners img:hover{filter:none;opacity:1}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--navy);color:#aeb9c6;padding:72px 0 30px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid #21354d}
.site-footer .brand img{height:40px;margin-bottom:18px}
.site-footer h5{color:#fff;font-family:var(--font-display);font-weight:600;font-size:1.15rem;letter-spacing:.06em;margin-bottom:16px}
.site-footer a{color:#aeb9c6;display:block;padding:5px 0}
.site-footer a:hover{color:#fff}
.footer-contact p{margin-bottom:10px;line-height:1.5}
.footer-contact a{display:inline}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;color:#7c8a99;font-size:.82rem;letter-spacing:.03em}

/* ============================================================
   SECTOR / PROJECT PAGES
   ============================================================ */
.page-hero{background:var(--navy);color:#fff;padding:160px 0 70px;position:relative;overflow:hidden}
.page-hero .big-no{position:absolute;right:2%;top:10%;font-family:var(--font-display);font-weight:700;font-size:28vw;color:#fff;opacity:.04;line-height:1}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-size:clamp(2.4rem,6vw,4.6rem)}
.page-hero p{color:#bcc9d8;max-width:60ch;margin-top:18px;font-size:1.1rem}
.crumb{margin-bottom:26px;font-size:.85rem;color:#8aa0b8;letter-spacing:.04em}
.crumb a:hover{color:#fff}

.subsection-title{font-family:var(--font-display);font-weight:700;font-size:1.7rem;margin:0 0 26px;
  padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px}
.subsection-title .sq{width:11px;height:11px;background:var(--red);display:inline-block}
.proj-block{padding-top:clamp(48px,6vw,84px)}
.proj-block:first-child{padding-top:0}

/* project cards — uniform size across every sector page */
.proj-grid{display:grid;gap:26px;grid-template-columns:repeat(3,1fr);align-items:stretch}
.proj-grid.cols-2,.proj-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.pcard{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;
  height:100%;transition:.25s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.pcard .ph{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy-card)}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .ph img{transform:scale(1.06)}
.pcard .badge{position:absolute;top:14px;right:14px;font-family:var(--font-display);font-weight:700;
  font-size:.82rem;letter-spacing:.06em;padding:6px 14px;border-radius:2px;color:#fff}
.badge.active{background:var(--red)}
.badge.done{background:var(--navy);}
.pcard .tag{position:absolute;top:14px;left:14px;background:rgba(8,18,30,.72);color:#fff;font-size:.66rem;
  letter-spacing:.16em;text-transform:uppercase;font-weight:600;padding:6px 11px;border-radius:2px}
.pcard .pb{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:1.5rem;line-height:1.08}
.pcard .loc{color:var(--blue);font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin:7px 0 0}
.pcard .meta{margin:14px 0 0;display:flex;flex-wrap:wrap;gap:7px 22px}
.pcard .meta .mi{font-size:.82rem}
.pcard .meta .mi b{display:block;color:var(--blue);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:2px}
.pcard .desc{color:var(--grey);font-size:.92rem;margin-top:14px}

/* single wide project (scope-of-work) */
.pwide{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.pwide .ph{position:relative;min-height:340px}
.pwide .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pwide .ph .badge{position:absolute;top:16px;right:16px}
.pwide .pb{padding:clamp(28px,4vw,48px)}
.pwide h3{font-size:2rem}
.pwide .loc{color:var(--blue);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;margin-top:8px}
.pwide .meta{display:flex;flex-wrap:wrap;gap:18px 40px;margin:22px 0}
.pwide .meta .mi b{display:block;color:var(--blue);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px}
.pwide .scope-label{color:var(--blue);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin-top:8px}
.pwide .scope{color:var(--grey);margin-top:8px}

/* simple list block */
.list-block{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.list-block .lb-img{min-height:300px;position:relative}
.list-block .lb-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.list-block .lb-body{padding:clamp(28px,4vw,46px)}
.olist{margin-top:18px}
.olist .row{display:flex;gap:18px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--line)}
.olist .row:last-child{border-bottom:0}
.olist .row .no{font-family:var(--font-display);font-weight:700;color:var(--blue);font-size:1.15rem;min-width:30px}
.olist .row .nm{font-size:1rem;color:var(--navy)}
.olist .row .yr{margin-left:auto;color:var(--grey);font-size:.85rem;font-weight:600}

/* energy intro band */
.energy-intro{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:stretch;margin-bottom:14px}
.energy-intro .ei-stat{background:var(--navy);color:#fff;border-top:4px solid var(--red);border-radius:4px;
  padding:40px;display:flex;flex-direction:column;justify-content:center}
.energy-intro .ei-stat .big{font-family:var(--font-display);font-weight:700;font-size:5rem;line-height:.9}
.energy-intro .ei-stat p{color:#bcc9d8;margin-top:10px}
.brand-rows{display:flex;flex-direction:column;gap:18px;margin-top:22px}
.brand-rows .br{border-left:3px solid var(--red);padding-left:16px}
.brand-rows .br b{font-family:var(--font-display);font-size:1.25rem;letter-spacing:.04em}
.brand-rows .br span{display:block;color:var(--grey);font-size:.92rem}

/* pipeline page */
.pipe-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:10px}
.pipe-item{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:5px;padding:20px 22px;transition:.2s}
.pipe-item:hover{border-color:var(--red);box-shadow:var(--shadow-sm)}
.pipe-item .no{font-family:var(--font-display);font-weight:700;color:var(--blue);font-size:1.3rem}
.pipe-item .flag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);font-weight:700}
.pipe-item .nm{font-size:1.04rem;color:var(--navy);font-weight:500}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px}
.contact-info .ci-row{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.contact-info .ci-row:first-child{padding-top:0}
.contact-info .ci-ic{width:46px;height:46px;border-radius:50%;background:var(--light);display:grid;place-items:center;flex-shrink:0}
.contact-info .ci-ic svg{width:20px;height:20px;stroke:var(--navy);fill:none;stroke-width:1.7}
.contact-info .ci-row b{font-family:var(--font-display);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.contact-info .ci-row p{margin-top:3px;color:var(--navy)}
.map-embed{border-radius:6px;overflow:hidden;min-height:420px;border:1px solid var(--line)}
.map-embed iframe{width:100%;height:100%;min-height:420px;border:0;display:block}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1000px){
  .nav{position:fixed;inset:0;width:100%;height:100dvh;background:var(--navy);flex-direction:column;
    align-items:flex-start;justify-content:flex-start;padding:90px 28px 36px;gap:6px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s;z-index:115}
  .nav.open{transform:translateX(0)}
  .site-header.nav-open{background:var(--navy)!important;box-shadow:0 6px 24px -16px #000}
  .brand{position:relative;z-index:130}
  .header-tools{position:relative;z-index:130}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .nav a{width:100%;padding:14px 0;border-bottom:1px solid #1c3047;font-size:1.08rem}
  .nav a.cta{margin-top:14px;text-align:center;border-bottom:0}
  .has-drop>a{display:flex;align-items:center;justify-content:space-between}
  .has-drop .drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;background:transparent;padding:0 0 0 14px;display:none}
  .has-drop.open .drop{display:block;padding:2px 0 10px 14px}
  .has-drop.open>a{color:#fff}
  .has-drop .drop a{color:#9fb0c2}
  .nav-toggle{display:flex}
  .lang-desktop{display:none}
  .lang-mobile{display:block}
  .lang-mobile .lang-menu{position:absolute}
  .site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:880px){
  .who{grid-template-columns:1fr}
  .who .who-img{order:-1}
  .caps-grid,.cert-grid,.cat-grid,.numbers-grid{grid-template-columns:repeat(2,1fr)}
  .chair .grid{grid-template-columns:1fr}
  .chair-photo{max-width:320px}
  .values{grid-template-columns:1fr}
  .globe-wrap{grid-template-columns:1fr;margin-top:20px;gap:2px}
  #globe{min-height:auto;justify-content:center}
  .region-btns{flex-direction:row;flex-wrap:wrap;gap:8px;order:-1;justify-content:center}
  .region-btns button{flex:0 0 auto;width:auto;padding:8px 12px;font-size:.78rem;font-weight:600;
    border:1px solid var(--line);border-left:1px solid var(--line);border-radius:5px}
  .region-btns button small{display:none}
  .rb-break{display:block;flex-basis:100%;width:100%;height:0;margin:0}
  .region-btns button:hover,.region-btns button.active{border-color:var(--red);border-left-color:var(--red);background:#fdeaeb;transform:none}
  .energy-intro,.pwide,.list-block{grid-template-columns:1fr}
  .pipe-grid,.contact-grid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
  .caps-grid,.cert-grid,.cat-grid,.numbers-grid{grid-template-columns:1fr}
  .container{padding:0 20px}
  .hero h1{font-size:2.5rem}
}

/* ============================================================
   PARTNERS MARQUEE (continuous on mobile, static on desktop)
   ============================================================ */
.partners{overflow:hidden}
.partners .marquee-track{display:flex;align-items:center}
.partners .mset{display:flex;align-items:center;gap:40px;padding:0 20px;flex:none}
@media(min-width:881px){
  .partners .marquee-track{justify-content:center;flex-wrap:wrap;gap:20px 0}
  .partners .mset.dup{display:none}
}
@media(max-width:880px){
  .partners .marquee-track{width:max-content;animation:marquee 18s linear infinite}
  .partners img{height:38px}
}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================================================
   IMAGE LIGHTBOX (click a project photo -> fullscreen)
   ============================================================ */
.pcard .ph[data-gallery]{cursor:zoom-in}
.pcard .ph[data-gallery]::after{content:"";position:absolute;right:14px;bottom:14px;width:30px;height:30px;
  border-radius:50%;background:rgba(8,18,30,.65) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M3 8V3h5M13 8V3H8M3 8v5h5M13 8v5H8'/%3E%3C/svg%3E") center/15px no-repeat;
  opacity:0;transition:.2s}
.pcard:hover .ph[data-gallery]::after{opacity:1}
.lb{position:fixed;inset:0;z-index:1000;background:rgba(6,12,20,.94);display:none;align-items:center;justify-content:center;
  opacity:0;transition:opacity .25s}
.lb.open{display:flex;opacity:1}
.lb img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:4px;box-shadow:0 30px 80px -20px #000}
.lb-close{position:absolute;top:20px;right:24px;width:46px;height:46px;border:0;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;transition:.2s}
.lb-close:hover{background:var(--red)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border:0;border-radius:50%;
  background:rgba(255,255,255,.12);color:#fff;font-size:1.8rem;cursor:pointer;transition:.2s;display:none}
.lb-nav:hover{background:var(--red)}
.lb.multi .lb-nav{display:block}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#cdd8e6;font-size:.92rem;letter-spacing:.02em}
.lb-count{position:absolute;top:26px;left:24px;color:#8aa0b8;font-size:.85rem;letter-spacing:.1em}
@media(max-width:600px){.lb-nav{width:44px;height:44px;font-size:1.4rem}.lb-close{top:14px;right:14px}}

/* ============================================================
   PROJECT CARD — details CTA
   ============================================================ */
.pcard .ph-link{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy-card)}
.pcard .ph-link img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .ph-link img{transform:scale(1.06)}
.pcard h3 a{color:inherit}
.pcard h3 a:hover{color:var(--blue)}
.pcard-cta{margin-top:auto;padding-top:16px;display:inline-flex;align-items:center;gap:8px;
  color:var(--red);font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.pcard-cta svg{width:17px;height:17px;transition:transform .25s}
.pcard:hover .pcard-cta svg{transform:translateX(5px)}

/* ============================================================
   PROJECT DETAIL PAGE (combined-cycle)
   ============================================================ */
.detail-hero{position:relative;background:var(--navy);color:#fff;padding:170px 0 76px;overflow:hidden}
.detail-hero .dh-bg{position:absolute;inset:0;z-index:0}
.detail-hero .dh-bg img{width:100%;height:100%;object-fit:cover;opacity:.30}
.detail-hero .dh-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,var(--navy) 34%,rgba(12,26,43,.74) 62%,rgba(12,26,43,.5))}
.detail-hero .container{position:relative;z-index:2}
.detail-hero h1{font-size:clamp(2.3rem,5.6vw,4.4rem);max-width:20ch;margin-top:12px}
.detail-hero p{color:#bcc9d8;max-width:60ch;margin-top:20px;font-size:1.12rem}
.dh-chips{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.dh-chips span{display:flex;flex-direction:column;gap:2px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-left:3px solid var(--red);border-radius:3px;
  padding:12px 20px;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-soft)}
.dh-chips span b{font-family:var(--font-display);font-size:1.5rem;letter-spacing:.02em;color:#fff;text-transform:none}

/* overview + spec sheet */
.spec-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:clamp(32px,5vw,64px);align-items:start}
.prose p{color:var(--grey);margin-top:18px;font-size:1.03rem}
.spec-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:6px;
  box-shadow:var(--shadow-sm);padding:12px 26px 22px;position:sticky;top:96px}
.spec-card .sp-title{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--navy);
  padding:18px 0 14px;border-bottom:1px solid var(--line)}
.sp-row{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}
.sp-row:last-child{border-bottom:0}
.sp-k{color:var(--blue);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;flex-shrink:0;padding-top:2px}
.sp-v{color:var(--navy);font-weight:600;text-align:right;font-size:.94rem}

/* how-it-works steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:6px;padding:32px 26px 28px;position:relative;transition:.25s}
.step:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.step-n{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--font-display);
  font-weight:700;font-size:1.35rem;display:grid;place-items:center;margin-bottom:18px}
.step:nth-child(2) .step-n{background:var(--blue)}
.step:nth-child(3) .step-n{background:var(--red)}
.step h3{font-size:1.4rem;margin-bottom:8px}
.step p{color:var(--grey);font-size:.94rem}

/* technology partner band */
.partner-band{background:var(--navy);color:#fff;overflow:hidden}
.partner-band .eyebrow{color:var(--blue-soft)}
.pb-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:center}
.pb-media{border-radius:6px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.pb-media img{width:100%;height:100%;object-fit:cover}
.partner-band .section-title{margin-top:8px}
.partner-band p{color:#bcc9d8;margin-top:18px}

/* reference plants */
.ref-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.ref{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--red);border-radius:5px;padding:20px 22px;transition:.2s}
.ref:hover{box-shadow:var(--shadow-sm);border-color:var(--line);border-left-color:var(--red);transform:translateY(-3px)}
.ref-mw{font-family:var(--font-display);font-weight:700;font-size:1.7rem;color:var(--navy);line-height:1;
  min-width:96px;flex-shrink:0}
.ref-b{display:flex;flex-direction:column;gap:3px;min-width:0}
.ref-b b{color:var(--navy);font-size:1rem;font-weight:700}
.ref-b span{color:var(--grey);font-size:.88rem}
.ref-b .ref-meta{color:var(--blue);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.ref-note{margin-top:26px;color:var(--grey);font-size:.82rem;font-style:italic;max-width:80ch}

/* gallery */
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.gal-item{position:relative;aspect-ratio:4/3;border-radius:6px;overflow:hidden;cursor:zoom-in;
  box-shadow:var(--shadow-sm);background:var(--navy-card)}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gal-item:hover img{transform:scale(1.07)}
.gal-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;font-size:.8rem;
  background:linear-gradient(to top,rgba(8,18,30,.9),transparent);opacity:0;transition:.25s}
.gal-item:hover .gal-cap{opacity:1}

@media(max-width:900px){
  .spec-layout{grid-template-columns:1fr}
  .spec-card{position:static;order:-1}
  .steps-grid{grid-template-columns:1fr}
  .pb-grid{grid-template-columns:1fr}
  .pb-media{order:-1;max-height:340px}
  .ref-grid{grid-template-columns:1fr}
  .gal-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .gal-grid{grid-template-columns:1fr}
  .dh-chips span{flex:1 1 40%}
}

/* ============================================================
   ACCESSIBILITY & VISUAL REFINEMENTS
   ============================================================ */
/* keyboard focus (only for keyboard users, not mouse clicks) */
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}
.hero :focus-visible,.numbers-sec :focus-visible,.chair :focus-visible,
.partner-band :focus-visible,.site-footer :focus-visible,
.detail-hero :focus-visible,.page-hero :focus-visible{outline-color:#fff}

/* skip to content */
.skip-link{position:absolute;left:14px;top:-64px;z-index:400;background:var(--red);color:#fff;
  padding:11px 20px;border-radius:0 0 4px 4px;font-weight:600;letter-spacing:.03em;transition:top .2s}
.skip-link:focus{top:0}
.main-anchor{position:absolute}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* nav underline micro-interaction (desktop only) */
@media(min-width:1001px){
  .nav a:not(.cta){position:relative}
  .nav a:not(.cta)::after{content:"";position:absolute;left:0;right:auto;bottom:-2px;height:2px;width:0;
    background:var(--red);transition:width .25s ease}
  .nav a:not(.cta):hover::after,.nav a:not(.cta):focus-visible::after{width:100%}
  .has-drop>a::after{display:none}
}

/* current-language emphasis in the switcher */
.lang-menu a.active{position:relative;padding-left:16px}
.lang-menu a.active::before{content:"";position:absolute;left:5px;top:50%;transform:translateY(-50%);
  width:3px;height:56%;background:var(--red);border-radius:2px}

/* hero scroll cue */
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  width:42px;height:42px;display:grid;place-items:center;color:#fff;opacity:.72;
  border:1px solid rgba(255,255,255,.35);border-radius:50%;
  transition:opacity .2s,border-color .2s;animation:heroBob 2.2s ease-in-out infinite}
.hero-scroll:hover{opacity:1;border-color:#fff}
.hero-scroll svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
@keyframes heroBob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}
@media(max-width:520px){.hero-scroll{display:none}}