/* ============================================================
   Arvex Design — shared stylesheet
   ============================================================ */
:root{
  --cream:#f7f4ef;
  --cream-deep:#efe9df;
  --ink:#211d18;
  --muted:#6f6a61;
  --amber:#a9814f;
  --amber-deep:#8a6a3d;
  --line:#e2dbcd;
  --white:#ffffff;
  --radius:10px;
  --ease:cubic-bezier(.4,0,.2,1);
  --maxw:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Segoe UI',ui-sans-serif,-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;
  color:var(--amber-deep);font-weight:600;margin:0 0 .6rem;
}
h1,h2,h3,h4{font-weight:600;line-height:1.15;margin:0 0 .6rem;}
h1{font-size:clamp(2.2rem,4.5vw,3.4rem);}
h2{font-size:clamp(1.7rem,3vw,2.4rem);}
h3{font-size:1.2rem;}
em{font-style:italic;color:var(--amber-deep);}
p{margin:0 0 1rem;color:var(--muted);}
.section{padding:5.5rem 0;}
.section--alt{background:var(--cream-deep);}
.section-head{max-width:640px;margin-bottom:3rem;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:100px;font-weight:600;font-size:.95rem;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn--amber{background:var(--amber);color:#fff;}
.btn--amber:hover{background:var(--amber-deep);transform:translateY(-2px);}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent;}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber-deep);}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,244,239,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 20px rgba(0,0,0,.04);}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:1.1rem 24px;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
}
.brand{display:flex;align-items:baseline;gap:.5rem;font-weight:700;font-size:1.5rem;color:var(--ink);}
.brand-sub{font-weight:500;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-left:.4rem;}
.main-nav{display:flex;gap:1.9rem;font-size:.92rem;font-weight:600;letter-spacing:.02em;}
.main-nav a{color:var(--muted);position:relative;padding:.2rem 0;}
.main-nav a:hover,.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--amber);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink);}
.mobile-nav{
  position:fixed;inset:0;background:rgba(20,17,13,.55);z-index:60;
  display:none;
}
.mobile-nav.open{display:block;}
.mobile-panel{
  background:var(--cream);width:78%;max-width:320px;height:100%;margin-left:auto;
  padding:2rem 1.6rem;display:flex;flex-direction:column;gap:1.1rem;font-weight:600;
}
.mobile-close{align-self:flex-end;background:none;border:0;font-size:1.6rem;cursor:pointer;}

/* Hero */
.hero{position:relative;overflow:hidden;}
.hero-media{
  position:absolute;inset:0;z-index:0;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,12,.55),rgba(20,16,12,.72));
}
.hero-inner{position:relative;z-index:1;padding:8rem 0 6rem;color:#fff;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25);padding:.4rem 1rem;border-radius:100px;
  font-size:.8rem;letter-spacing:.05em;margin-bottom:1.4rem;
}
.hero h1{color:#fff;max-width:820px;margin:0 auto .9rem;}
.hero-lead{color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 2rem;font-size:1.05rem;}
.hero-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;}

/* Page hero (inner pages) */
.page-hero{position:relative;padding:6.5rem 0 4rem;color:#fff;overflow:hidden;text-align:center;}
.page-hero .hero-media{inset:0;}
.page-hero .container{position:relative;z-index:1;}
.page-hero h1{color:#fff;margin-bottom:.6rem;}
.page-hero p{color:rgba(255,255,255,.85);max-width:560px;margin:0 auto;}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center;}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-badge{
  position:absolute;left:1.2rem;bottom:1.2rem;background:#fff;padding:.8rem 1.2rem;
  border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.15);
}
.split-badge strong{display:block;font-size:1.4rem;color:var(--amber-deep);line-height:1;}
.split-badge span{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);}
blockquote{
  border-left:3px solid var(--amber);margin:1.4rem 0;padding:.2rem 0 .2rem 1.2rem;
  font-style:italic;color:var(--ink);font-size:1.05rem;
}

/* Grids & cards */
.grid{display:grid;gap:1.6rem;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.value-card,.stat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;}
.value-card h3{margin-bottom:.4rem;}
.value-card p{margin:0;font-size:.92rem;}

.service-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.service-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.08);}
.service-visual{position:relative;aspect-ratio:4/3;}
.service-visual img{width:100%;height:100%;object-fit:cover;}
.service-tag{position:absolute;top:.9rem;left:.9rem;background:rgba(20,16,12,.65);color:#fff;font-size:.72rem;
  padding:.3rem .7rem;border-radius:100px;letter-spacing:.04em;}
.service-body{padding:1.4rem 1.4rem 1.6rem;}
.service-meta{list-style:none;margin:0 0 1rem;padding:0;display:flex;flex-wrap:wrap;gap:.5rem;}
.service-meta li{background:var(--cream-deep);font-size:.76rem;padding:.28rem .6rem;border-radius:100px;color:var(--muted);}
.link-arrow{display:inline-flex;align-items:center;gap:.4rem;font-weight:600;color:var(--amber-deep);font-size:.92rem;}
.link-arrow svg{width:16px;height:16px;transition:transform .25s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

.check-list{list-style:none;margin:1.4rem 0;padding:0;display:flex;flex-direction:column;gap:1rem;}
.check-list li{display:flex;gap:.8rem;align-items:flex-start;}
.check-list svg{flex:none;width:20px;height:20px;color:var(--amber);margin-top:.2rem;}
.check-list strong{display:block;}
.check-list p{margin:.15rem 0 0;font-size:.9rem;}

/* Projects */
.project{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;}
.project img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.project:hover img{transform:scale(1.06);}
.project-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:1.2rem;
  background:linear-gradient(0deg,rgba(10,8,6,.82),transparent);color:#fff;
}
.project-overlay span{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--amber);}
.project-overlay h3{margin:.25rem 0 .1rem;color:#fff;}
.project-overlay p{margin:0;font-size:.82rem;color:rgba(255,255,255,.75);}

/* Materials */
.material-row{display:flex;gap:1rem;align-items:flex-start;padding:1.1rem 0;border-bottom:1px solid var(--line);}
.material-row:last-child{border-bottom:0;}
.material-num{font-weight:700;color:var(--amber);font-size:1rem;width:2.2rem;flex:none;}

/* Partners */
.partner-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;display:flex;gap:1rem;align-items:flex-start;}
.partner-mark{
  flex:none;width:52px;height:52px;border-radius:50%;background:var(--cream-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--amber-deep);
}
.partner-card h3{margin-bottom:.1rem;}
.partner-country{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--amber-deep);font-weight:600;margin-bottom:.4rem;display:block;}
.partner-card p{margin:0;font-size:.9rem;}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center;}
.stat-value{font-size:2.4rem;font-weight:700;color:var(--amber-deep);}
.stat-label{color:var(--muted);font-size:.88rem;}

/* Quotes */
.quote-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;}
.quote-mark{font-size:2rem;color:var(--amber);line-height:1;}
.quote-author{display:flex;align-items:center;gap:.7rem;margin-top:1rem;}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--cream-deep);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--amber-deep);font-size:.8rem;}
.quote-author small,.quote-author span{color:var(--muted);font-size:.8rem;display:block;}

/* CTA band */
.cta-band{
  background:var(--ink);color:#fff;border-radius:16px;padding:3rem;text-align:center;
}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 1.6rem;}
.cta-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.3);color:#fff;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;}
.info-block{margin-bottom:1.6rem;}
.info-block h4{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--amber-deep);margin-bottom:.5rem;}
.info-block a,.info-block p{display:block;margin:0 0 .2rem;color:var(--ink);}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;}
.map-embed iframe{width:100%;height:100%;border:0;}
.form-field{margin-bottom:1.1rem;}
.form-field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem;}
.form-field input,.form-field textarea,.form-field select{
  width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:.95rem;background:#fff;
}
.form-field textarea{resize:vertical;min-height:120px;}

/* Footer */
.site-footer{background:var(--cream-deep);border-top:1px solid var(--line);padding:4rem 0 2rem;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem;}
.footer-brand p{font-size:.9rem;max-width:320px;}
.site-footer h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem;}
.site-footer a{display:block;color:var(--muted);font-size:.92rem;margin-bottom:.6rem;}
.site-footer a:hover{color:var(--amber-deep);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:1.5rem;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:.5rem;font-size:.82rem;color:var(--muted);
}

.scroll-top{
  position:fixed;right:1.4rem;bottom:1.4rem;width:44px;height:44px;border-radius:50%;
  background:var(--amber);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:40;
}
.scroll-top.show{opacity:1;pointer-events:auto;}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============================================================
   Projects Gallery & Filter Bar
   ============================================================ */
.filter-bar{
  display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;
  margin-bottom:3rem;padding:0;list-style:none;
}
.filter-btn{
  background:var(--white);border:1px solid var(--line);color:var(--muted);
  font-family:inherit;font-size:.88rem;font-weight:600;padding:.6rem 1.2rem;
  border-radius:100px;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;
  transition:all .25s var(--ease);
}
.filter-btn:hover{
  border-color:var(--amber);color:var(--ink);transform:translateY(-1px);
}
.filter-btn.active{
  background:var(--amber);color:#fff;border-color:var(--amber);
  box-shadow:0 6px 18px rgba(169,129,79,.3);
}
.filter-count{
  display:inline-block;padding:.15rem .5rem;border-radius:100px;
  font-size:.72rem;background:var(--cream-deep);color:var(--muted);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.filter-btn.active .filter-count{
  background:rgba(255,255,255,.25);color:#fff;
}

.gallery-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;
}
.gallery-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  cursor:pointer;position:relative;
}
.gallery-card:hover{
  transform:translateY(-5px);box-shadow:0 18px 36px rgba(0,0,0,.09);
}
.gallery-thumb{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:#1a1714;
}
.gallery-thumb img{
  width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);
}
.gallery-card:hover .gallery-thumb img{
  transform:scale(1.06);
}
.gallery-badge{
  position:absolute;top:.85rem;left:.85rem;z-index:2;
  background:rgba(20,17,13,.75);backdrop-filter:blur(6px);
  color:#fff;font-size:.72rem;font-weight:600;padding:.3rem .75rem;
  border-radius:100px;letter-spacing:.04em;border:1px solid rgba(255,255,255,.15);
}
.gallery-zoom-hint{
  position:absolute;inset:0;background:rgba(20,16,12,.35);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s var(--ease);color:#fff;
}
.gallery-card:hover .gallery-zoom-hint{opacity:1;}
.zoom-circle{
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.9);
  color:var(--ink);display:flex;align-items:center;justify-content:center;
  transform:scale(.85);transition:transform .3s var(--ease);box-shadow:0 8px 24px rgba(0,0,0,.25);
}
.gallery-card:hover .zoom-circle{transform:scale(1);}
.gallery-body{
  padding:1.3rem 1.4rem 1.5rem;flex:1;display:flex;flex-direction:column;
}
.gallery-meta{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem;
}
.gallery-category{
  font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;
  font-weight:700;color:var(--amber-deep);
}
.gallery-location{
  font-size:.78rem;color:var(--muted);
}
.gallery-body h3{
  font-size:1.1rem;margin:0 0 .5rem;line-height:1.3;color:var(--ink);
}
.gallery-body p{
  font-size:.88rem;color:var(--muted);margin:0;line-height:1.55;
}

/* Lightbox Modal */
.lightbox{
  position:fixed;inset:0;z-index:100;
  display:none;align-items:center;justify-content:center;
  padding:20px;
}
.lightbox.open{display:flex;}
.lightbox-backdrop{
  position:absolute;inset:0;background:rgba(14,12,10,.88);
  backdrop-filter:blur(10px);
}
.lightbox-dialog{
  position:relative;z-index:1;max-width:960px;width:100%;
  background:var(--white);border-radius:14px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
  display:flex;flex-direction:column;max-height:92vh;
  animation:lightboxPop .3s var(--ease);
}
@keyframes lightboxPop{
  from{opacity:0;transform:scale(.95) translateY(12px);}
  to{opacity:1;transform:scale(1) translateY(0);}
}
.lightbox-view{
  position:relative;background:#0d0b09;display:flex;align-items:center;justify-content:center;
  max-height:68vh;overflow:hidden;
}
.lightbox-view img{
  max-width:100%;max-height:68vh;object-fit:contain;display:block;
}
.lightbox-info{
  padding:1.4rem 1.8rem;background:var(--white);display:flex;
  justify-content:space-between;align-items:flex-start;gap:1.5rem;
}
.lightbox-info-main{flex:1;}
.lightbox-tag{
  display:inline-block;font-size:.72rem;text-transform:uppercase;
  letter-spacing:.08em;color:var(--amber-deep);font-weight:700;margin-bottom:.3rem;
}
.lightbox-title{font-size:1.3rem;margin:0 0 .3rem;color:var(--ink);}
.lightbox-desc{font-size:.9rem;color:var(--muted);margin:0;}
.lightbox-close{
  position:absolute;top:1rem;right:1rem;z-index:5;width:40px;height:40px;
  border-radius:50%;background:rgba(20,16,12,.7);color:#fff;border:0;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.lightbox-close:hover{background:var(--amber);}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border-radius:50%;background:rgba(20,16,12,.65);
  color:#fff;border:0;cursor:pointer;display:flex;align-items:center;
  justify-content:center;transition:background .2s var(--ease),transform .2s var(--ease);
}
.lightbox-nav:hover{background:var(--amber);transform:translateY(-50%) scale(1.05);}
.lightbox-prev{left:1rem;}
.lightbox-next{right:1rem;}

/* Video showcase banner */
.video-section{
  background:var(--ink);color:#fff;border-radius:16px;padding:3rem 2.5rem;
  margin-top:4rem;
}
.video-section h2{color:#fff;}
.video-section p{color:rgba(255,255,255,.75);}
.video-showcase-box{
  position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9;
  background:#110e0b;border:1px solid rgba(255,255,255,.15);
  box-shadow:0 20px 50px rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;
}
.video-showcase-box img{width:100%;height:100%;object-fit:cover;opacity:.85;}
.video-play-btn{
  position:absolute;width:76px;height:76px;border-radius:50%;
  background:var(--amber);color:#fff;border:0;display:flex;align-items:center;
  justify-content:center;cursor:pointer;box-shadow:0 12px 30px rgba(169,129,79,.4);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.video-play-btn:hover{background:var(--amber-deep);transform:scale(1.08);}

/* ============================================================
   Sectors page
   ============================================================ */
.split-media video,
.service-visual video,
.gallery-thumb video{
  width:100%;height:100%;object-fit:cover;display:block;background:#0d0b09;
}
.sector-quicknav{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;}
.sector-quicklink{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.sector-quicklink:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.08);}
.sector-quicklink .service-visual{aspect-ratio:16/10;}
.sector-quicklink .service-body{padding:1.1rem 1.2rem 1.3rem;}
.sector-quicklink .service-body h3{font-size:1.02rem;margin-bottom:.3rem;}
.sector-quicklink .service-body p{font-size:.85rem;margin:0;}
.sector-block{padding:5.5rem 0;}
.sector-block + .sector-block{border-top:1px solid var(--line);}
.sector-gallery{margin-top:3rem;}
.sector-gallery .gallery-thumb{aspect-ratio:4/3;}
.video-chip{
  position:absolute;top:.9rem;right:.9rem;z-index:2;background:rgba(20,17,13,.7);color:#fff;
  font-size:.68rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:.28rem .6rem;border-radius:100px;display:flex;align-items:center;gap:.35rem;
}
.video-chip svg{width:11px;height:11px;}

/* Nav dropdown */
.nav-drop{position:relative;}
.nav-drop-toggle{display:inline-flex;align-items:center;gap:.3rem;color:var(--muted);font-weight:600;padding:.2rem 0;background:none;border:0;font:inherit;cursor:pointer;}
.nav-drop-toggle:hover,.nav-drop.open .nav-drop-toggle,.nav-drop-toggle.active{color:var(--ink);}
.nav-drop-toggle.active::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--amber);}
.nav-drop-toggle{position:relative;}
.nav-drop-toggle svg{width:12px;height:12px;transition:transform .2s var(--ease);}
.nav-drop.open .nav-drop-toggle svg,.nav-drop:hover .nav-drop-toggle svg{transform:rotate(180deg);}
.nav-mega{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-40%);
  width:min(640px,70vw);background:var(--white);border:1px solid var(--line);
  border-radius:12px;padding:.8rem;box-shadow:0 18px 40px rgba(0,0,0,.1);
  display:none;grid-template-columns:1fr 1fr;gap:.15rem;z-index:70;
}
.nav-mega::before{content:'';position:absolute;left:0;right:0;bottom:100%;height:16px;}
.nav-drop:hover .nav-mega,.nav-drop.open .nav-mega{display:grid;}
.nav-mega a{
  display:block;padding:.55rem .75rem;border-radius:8px;color:var(--ink);font-size:.85rem;font-weight:600;
}
.nav-mega a:hover{background:var(--cream-deep);color:var(--amber-deep);}
.nav-mega a span{display:block;font-size:.7rem;font-weight:500;color:var(--muted);letter-spacing:.04em;}
.mobile-sub{display:none;flex-direction:column;gap:.45rem;padding:.2rem 0 .4rem .8rem;}
.mobile-sub.open{display:flex;}
.mobile-sub a{font-size:.88rem;font-weight:500;color:var(--muted);}
.mobile-acc{background:none;border:0;font:inherit;font-weight:600;text-align:left;cursor:pointer;color:inherit;padding:0;display:flex;justify-content:space-between;width:100%;}

/* Business sector cards */
.sector-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem;
}
.biz-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.biz-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(0,0,0,.08);}
.biz-card-visual{position:relative;aspect-ratio:16/10;overflow:hidden;background:#1a1714;}
.biz-card-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.biz-card:hover .biz-card-visual img{transform:scale(1.06);}
.biz-num{
  position:absolute;top:.7rem;left:.7rem;background:rgba(20,16,12,.7);color:#fff;
  font-size:.68rem;letter-spacing:.08em;padding:.25rem .55rem;border-radius:100px;font-weight:600;
}
.biz-card-body{padding:1.1rem 1.15rem 1.25rem;display:flex;flex-direction:column;flex:1;}
.biz-card-body h3{font-size:1.02rem;margin:0 0 .45rem;line-height:1.25;}
.biz-card-body p{font-size:.82rem;margin:0 0 1rem;flex:1;line-height:1.5;}
.biz-card .link-arrow{margin-top:auto;}

/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;}
.why-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.4rem;}
.why-card span{display:block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-deep);font-weight:700;margin-bottom:.5rem;}
.why-card p{margin:0;font-size:.9rem;}

/* Partners grid + marquee */
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;}
.partner-tile{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.3rem 1rem;text-align:center;min-height:148px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;
}
.partner-tile .partner-mark{margin:0 auto .35rem;}
.partner-tile h3{font-size:.92rem;margin:0;line-height:1.3;}
.partner-tile p{margin:0;font-size:.78rem;}
.partner-note{font-size:.8rem;color:var(--muted);max-width:720px;margin:1.4rem auto 0;text-align:center;}
.partner-track-wrap{position:relative;overflow:hidden;margin-top:1.5rem;}
.partner-track{
  display:flex;gap:1rem;width:max-content;
  animation:partnerMarquee 42s linear infinite;
}
.partner-track-wrap:hover .partner-track{animation-play-state:paused;}
.partner-track .partner-tile{width:210px;flex:none;}
@keyframes partnerMarquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.partner-nav{
  display:flex;justify-content:center;gap:.6rem;margin-top:1.1rem;
}
.partner-nav button{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;
  color:var(--ink);display:flex;align-items:center;justify-content:center;
}
.partner-nav button:hover{border-color:var(--amber);color:var(--amber-deep);}

/* Sector detail */
.cap-list{display:grid;grid-template-columns:1fr 1fr;gap:.8rem 2rem;margin:0;padding:0;list-style:none;}
.cap-list li{display:flex;gap:.65rem;align-items:flex-start;color:var(--muted);font-size:.95rem;}
.cap-list li::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--amber);margin-top:.55rem;flex:none;}
.related-sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;}

/* Responsive */
@media (max-width:1100px){
  .sector-grid{grid-template-columns:repeat(3,1fr);}
  .partner-grid{grid-template-columns:repeat(3,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .nav-mega{width:min(520px,80vw);}
}
@media (max-width:900px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:block;}
  .split{grid-template-columns:1fr;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .sector-quicknav{grid-template-columns:repeat(2,1fr);}
  .sector-grid{grid-template-columns:repeat(2,1fr);}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .related-sectors,.cap-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr;}
  .sector-quicknav{grid-template-columns:1fr;}
  .sector-grid{grid-template-columns:1fr;}
  .partner-grid,.why-grid{grid-template-columns:1fr;}
  .sector-block{padding:3.5rem 0;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-inner{padding:6rem 0 4rem;}
  .filter-bar{gap:.4rem;}
  .filter-btn{font-size:.8rem;padding:.5rem .9rem;}
  .lightbox-info{flex-direction:column;gap:.8rem;padding:1.1rem;}
}



/* ===== Logos, hover detail, background imagery ===== */
.partner-tile{position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);}
.partner-tile:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(33,29,24,.12);border-color:var(--amber);}
.partner-logo{width:100%;height:84px;display:flex;align-items:center;justify-content:center;margin-bottom:.25rem;}
.partner-logo img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s var(--ease);}
.partner-tile:hover .partner-logo img{transform:scale(1.07);}
.partner-grid--clients{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));max-width:900px;margin:0 auto;}
@media (hover:hover){
  .partner-tile.has-logo p{max-height:0;opacity:0;overflow:hidden;transition:max-height .35s var(--ease),opacity .35s var(--ease);}
  .partner-tile.has-logo:hover p{max-height:110px;opacity:1;}
}
/* image behind the writing */
.has-bg{position:relative;isolation:isolate;}
.has-bg::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--bg) center/cover no-repeat;opacity:.13;transition:opacity .6s var(--ease),transform 1.2s var(--ease);}
.has-bg:hover::before{opacity:.2;transform:scale(1.03);}
.has-bg{overflow:hidden;}
/* hero scroll cue */
.hero{position:relative;}
.scroll-cue{position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);color:#fff;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:.4rem;opacity:.85;animation:cueBob 2s ease-in-out infinite;}
.scroll-cue svg{width:18px;height:18px;}
@keyframes cueBob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,7px);}}
/* card hover detail */
.biz-card-visual,.project,.service-visual,.gallery-thumb{overflow:hidden;}
.biz-card-visual img,.project img,.service-visual img,.gallery-thumb img{transition:transform .6s var(--ease);}
.biz-card:hover .biz-card-visual img,.project:hover img,.service-card:hover .service-visual img,.gallery-card:hover .gallery-thumb img{transform:scale(1.07);}
@media (prefers-reduced-motion:reduce){.scroll-cue,.partner-track{animation:none;}}

/* ===== Landlock-style homepage ===== */
.lk-hero{position:relative;height:100vh;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden;background:#111;}
.lk-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8;}
.lk-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.65),rgba(0,0,0,.1) 75%);}
.lk-hero-inner{position:relative;z-index:2;max-width:1240px;}
.lk-hero h1{font-size:clamp(2.6rem,7vw,5.6rem);line-height:1.02;max-width:11ch;margin-bottom:1.2rem;color:#fff;}
.lk-hero h1 em{color:var(--amber);}
.lk-hero p{max-width:560px;font-size:1.15rem;margin-bottom:1.8rem;color:rgba(255,255,255,.9);}
.lk-down{position:absolute;z-index:3;left:50%;bottom:1.6rem;transform:translateX(-50%);color:#fff;font-size:.72rem;letter-spacing:.25em;display:flex;flex-direction:column;align-items:center;gap:.4rem;animation:cueBob 2s ease-in-out infinite;}
.lk-down svg{width:20px;height:20px;}
.lk-title{text-align:center;font-size:clamp(2rem,4vw,3rem);margin-bottom:2.5rem;}
.lk-title::after{content:"";display:block;width:56px;height:4px;background:var(--amber);margin:1rem auto 0;}
.lk-link{color:var(--amber-deep);font-weight:600;letter-spacing:.04em;}
.lk-link:hover{text-decoration:underline;}
.lk-expect{padding:6rem 0;}
.lk-expect-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;}
.lk-expect h2{font-size:clamp(2.2rem,4.5vw,3.6rem);margin-bottom:1.2rem;}
.lk-expect h2 em,.lk-together h2 em{color:var(--amber);}
.lk-expect-img{aspect-ratio:4/3;overflow:hidden;border-radius:6px;}
.lk-expect-img img,.lk-row-img img,.lk-banner>img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.lk-expect-img:hover img,.lk-row:hover .lk-row-img img{transform:scale(1.06);}
.lk-what{padding:2rem 0 0;}
.lk-row{display:grid;grid-template-columns:1fr 1fr;min-height:460px;}
.lk-row.rev .lk-row-img{order:2;}
.lk-row-img{overflow:hidden;}
.lk-row-text{display:flex;flex-direction:column;justify-content:center;padding:3rem clamp(1.5rem,6vw,6rem);background:var(--cream);}
.lk-row:nth-child(odd) .lk-row-text{background:var(--white);}
.lk-num{color:var(--amber);font-weight:700;letter-spacing:.2em;margin-bottom:.6rem;}
.lk-row-text h3{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:.8rem;}
.lk-banner{position:relative;min-height:520px;display:flex;align-items:center;color:#fff;overflow:hidden;}
.lk-banner>img{position:absolute;inset:0;}
.lk-banner::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55);}
.lk-banner-text{position:relative;z-index:2;max-width:620px;margin-left:clamp(1.5rem,8vw,8rem);}
.lk-banner h2{color:#fff;font-size:clamp(2rem,4.5vw,3.4rem);margin-bottom:1rem;}
.lk-banner .lk-link{color:#fff;}
.lk-benefits{padding:6rem 0;background:var(--cream);}
.lk-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem 2rem;text-align:center;}
.lk-stats strong{display:block;font-size:clamp(2rem,4vw,3rem);color:var(--amber-deep);line-height:1.1;}
.lk-stats span{display:block;margin-top:.4rem;color:var(--muted);}
.lk-sectors{padding:6rem 0;}
.lk-clients{padding:5rem 0;background:var(--white);border-top:1px solid var(--line);}
.lk-logos{display:flex;flex-wrap:wrap;gap:2.5rem 3.5rem;justify-content:center;align-items:center;}
.logo-item img{height:70px;width:auto;max-width:200px;object-fit:contain;mix-blend-mode:multiply;filter:grayscale(1);opacity:.75;transition:filter .3s,opacity .3s,transform .3s;}
.logo-item:hover img{filter:none;opacity:1;transform:scale(1.08);}
.lk-together{padding:7rem 0;text-align:center;background-color:var(--cream-deep);}
.lk-together h2{font-size:clamp(2.2rem,5vw,3.8rem);margin-bottom:1rem;}
.lk-together p{max-width:640px;margin:0 auto 1.8rem;}
@media(max-width:860px){.lk-expect-grid,.lk-row{grid-template-columns:1fr;}.lk-row.rev .lk-row-img{order:0;}.lk-row-img{height:280px;}.lk-stats{grid-template-columns:1fr 1fr;}}

.hero--full{min-height:100vh;display:flex;align-items:center;}
.lk-what{margin:2.5rem 0 0;}

/* ===== Contour doodle behind the writing (decorative only) ===== */
#about,#capabilities,#portfolio,#reach{position:relative;isolation:isolate;}
#about::before,#capabilities::before,#portfolio::before,#reach::before{
  content:"";position:absolute;z-index:-1;pointer-events:none;
  width:min(780px,90vw);aspect-ratio:1;opacity:.16;background-repeat:no-repeat;background-size:contain;
}
#about::before{background-image:url("../images/backgrounds/contour-doodle-1.svg");left:-140px;top:-60px;}
#capabilities::before{background-image:url("../images/backgrounds/contour-doodle-2.svg");right:-160px;top:-40px;}
#portfolio::before{background-image:url("../images/backgrounds/contour-doodle-1.svg");left:-120px;bottom:-140px;transform:scaleX(-1);}
#reach::before{background-image:url("../images/backgrounds/contour-doodle-2.svg");right:-120px;bottom:-160px;}
#about,#capabilities,#portfolio,#reach{overflow:hidden;}