:root{
    --ink:#0c1c2e;--ink-deep:#06121f;--ink-2:#10263d;
    --copper:#b07a43;--copper-lt:#c79a6a;
    --bone:#f4f1ea;--bone-2:#ece7dc;--paper:#fbfaf6;
    --text:#1a2533;--muted:#5e6b78;--muted-lt:#9aa6b2;
    --hair:rgba(12,28,46,.14);--hair-d:rgba(255,255,255,.14);
    --serif:'Newsreader',Georgia,serif;--sans:'Libre Franklin',system-ui,sans-serif;
    --ease:cubic-bezier(.22,1,.36,1);--mw:1240px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-size:17px}
  h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.07;letter-spacing:-.01em;color:var(--ink)}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{width:min(var(--mw),90vw);margin:0 auto}
  .marker{font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);display:inline-flex;gap:.6rem;align-items:center}
  .marker b{color:var(--muted-lt);font-weight:500}
  .marker.on-dark{color:var(--copper-lt)}.marker.on-dark b{color:rgba(255,255,255,.4)}

  .btn{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;padding:1.05rem 1.9rem;border:1px solid transparent;transition:all .3s var(--ease);cursor:pointer;border-radius:1px}
  .btn .arr{transition:transform .3s var(--ease)}.btn:hover .arr{transform:translateX(5px)}
  .btn-primary{background:var(--copper);color:#fff}.btn-primary:hover{background:#9c6a38}
  .btn-line{border-color:rgba(255,255,255,.4);color:#fff}.btn-line:hover{background:rgba(255,255,255,.08);border-color:#fff}

  .reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
  .reveal.in{opacity:1;transform:none}
  .reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}

  /* HEADER */
  header{position:fixed;inset:0 0 auto;z-index:1000;transition:all .4s var(--ease);padding:1.6rem 0;border-bottom:1px solid transparent}
  header.scrolled{background:rgba(6,18,31,.95);backdrop-filter:blur(10px);padding:1rem 0;border-bottom:1px solid var(--hair-d)}
  .nav{display:flex;align-items:center;justify-content:space-between}
  .brand{display:flex;align-items:center;gap:.7rem;color:#fff}
  .brand svg{width:34px;height:34px;flex:none}
  .mark-img{height:34px;width:auto;flex:none}
  .brand .name{font-family:var(--serif);font-size:1.5rem;letter-spacing:.06em;font-weight:500}
  .navlinks{display:flex;align-items:center;gap:2.1rem}
  .navlinks a{color:rgba(255,255,255,.82);font-size:.8rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;position:relative;padding:.3rem 0}
  .navlinks a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--copper-lt);transition:width .3s var(--ease)}
  .navlinks a:hover{color:#fff}.navlinks a:hover::after{width:100%}
  .nav .btn{padding:.75rem 1.4rem}
  .burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;z-index:1200}
  .burger span{width:26px;height:1.5px;background:#fff;transition:.3s}

  /* HERO */
  .hero{position:relative;min-height:100vh;background:var(--ink-deep);overflow:hidden;color:#fff}
  /* To add an aerial photo: add background-image:url('img/hero.jpg') to .hero-img */
  .hero-img{position:absolute;inset:0;background:url('img/hero.jpg') center/cover, radial-gradient(120% 110% at 78% 18%,#13304d 0%,#0a1c2e 45%,#06121f 100%)}
  .hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,31,.92) 0%,rgba(6,18,31,.6) 55%,rgba(6,18,31,.4) 100%)}
  .hero-inner{position:relative;z-index:2;width:min(var(--mw),90vw);margin:0 auto;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:7rem 0 11rem}
  .hero-copy{max-width:660px}
  .hero h1{font-size:clamp(2.6rem,5.6vw,5rem);font-weight:400;margin:1.7rem 0 1.5rem;color:#fff;letter-spacing:-.02em}
  .hero h1 em{font-style:italic;color:var(--copper-lt)}
  .hero .sub{font-size:clamp(1.05rem,1.4vw,1.22rem);color:rgba(255,255,255,.76);max-width:48ch;line-height:1.55}
  .hero-cta{display:flex;gap:.9rem;margin-top:2.4rem;flex-wrap:wrap}
  .hero-strip{position:absolute;left:0;right:0;bottom:0;z-index:2;border-top:1px solid var(--hair-d);background:rgba(6,18,31,.55)}
  .hero-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
  .hstat{padding:1.6rem 1.5rem 1.8rem;border-right:1px solid var(--hair-d)}
  .hstat:last-child{border-right:0}
  .hstat .n{font-family:var(--serif);font-size:clamp(1.6rem,2.4vw,2.3rem);color:#fff;font-weight:500;line-height:1}
  .hstat .n .u{color:var(--copper-lt)}
  .hstat .l{margin-top:.45rem;font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted-lt)}

  /* SECTION BASE */
  section.pad{padding:7.5rem 0}
  .sec-head{max-width:760px;margin-bottom:3.4rem}
  .sec-head h2{font-size:clamp(2.1rem,4vw,3.2rem);font-weight:400;margin:1.1rem 0 0}
  .lead-p{color:var(--muted);font-size:1.08rem;margin-top:1rem;max-width:60ch}

  /* ABOUT */
  .about{background:var(--paper)}
  .about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:5rem}
  .about-lead{font-family:var(--serif);font-size:clamp(1.55rem,2.6vw,2.2rem);line-height:1.28;color:var(--ink)}
  .about-lead em{font-style:italic;color:var(--copper)}
  .about-body{margin-top:1.5rem;color:var(--muted);font-size:1.04rem;max-width:52ch}
  .checklist{list-style:none;border-top:1px solid var(--hair)}
  .checklist li{display:flex;gap:1rem;align-items:flex-start;padding:1.05rem 0;border-bottom:1px solid var(--hair);font-size:1rem}
  .checklist svg{flex:none;margin-top:3px;color:var(--copper)}
  .chk-h{font-family:var(--sans);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:1.2rem}

  /* TRACK RECORD — image cards */
  .projects{background:var(--bone)}
  .filters{display:flex;gap:.5rem;flex-wrap:wrap;margin:0 0 2.2rem}
  .chip{font-family:var(--sans);font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:.55rem 1.2rem;border:1px solid var(--hair);background:#fff;color:var(--muted);cursor:pointer;transition:.25s;border-radius:1px}
  .chip:hover{color:var(--ink);border-color:var(--ink)}
  .chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
  .proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
  .proj{background:#fff;border:1px solid var(--hair);display:flex;flex-direction:column;transition:box-shadow .4s var(--ease),transform .4s var(--ease)}
  .proj:hover{transform:translateY(-4px);box-shadow:0 26px 50px -28px rgba(10,29,53,.3)}
  .proj-img{aspect-ratio:16/10;background:linear-gradient(150deg,var(--ink-2),var(--ink-deep));background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center}
  .proj-img span{font-size:.6rem;letter-spacing:.22em;color:rgba(255,255,255,.28);text-transform:uppercase}
  .proj-body{padding:1.5rem;display:flex;flex-direction:column;flex:1}
  .proj-top{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
  .proj-top h3{font-size:1.3rem;font-weight:500}
  .proj .yr{font-size:.72rem;color:var(--copper);letter-spacing:.08em;font-weight:600}
  .proj .loc{color:var(--muted);font-size:.85rem;margin-top:.2rem}
  .proj-stats{display:flex;gap:2.2rem;margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--hair)}
  .proj-stats b{font-family:var(--serif);font-size:1.45rem;color:var(--ink);font-weight:500;display:block;line-height:1}
  .proj-stats em{font-style:normal;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-top:.35rem}
  .proj .builder{margin-top:auto;padding-top:1rem;font-size:.8rem;color:var(--muted)}
  .proj .builder b{color:var(--copper);font-weight:600}

  /* FOOTPRINT MAP */
  .footprint{background:var(--ink-deep);color:#fff}
  .footprint .sec-head h2{color:#fff}.footprint .lead-p{color:rgba(255,255,255,.6)}
  .map-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:3.5rem;align-items:stretch}
  .map-stage{height:clamp(440px,56vh,600px);border:1px solid var(--hair-d);background:#e9edf1}
  #map{width:100%;height:100%}
  .leaflet-container{background:#e9edf1!important;font-family:var(--sans)}
  .leaflet-tooltip.bws{background:var(--ink);border:1px solid var(--copper);color:#fff;font-size:.7rem;font-weight:600;letter-spacing:.05em;padding:.28rem .6rem;border-radius:2px;box-shadow:0 4px 14px rgba(0,0,0,.4)}
  .leaflet-tooltip.bws::before{display:none}
  .markets{display:flex;flex-direction:column;justify-content:center;border-top:1px solid var(--hair-d)}
  .mkt{display:flex;justify-content:space-between;align-items:baseline;padding:1rem 0;border-bottom:1px solid var(--hair-d)}
  .mkt .m{font-family:var(--serif);font-size:1.18rem}
  .mkt .c{color:var(--copper-lt);font-weight:600;font-size:.84rem;letter-spacing:.04em;font-variant-numeric:tabular-nums}

  /* APPROACH */
  .approach{background:var(--paper)}
  .ex-list{border-top:1px solid var(--hair)}
  .ex-row{display:grid;grid-template-columns:60px 1fr 1.4fr;gap:2rem;align-items:start;padding:2.1rem 0;border-bottom:1px solid var(--hair);transition:padding-left .3s var(--ease)}
  .ex-row:hover{padding-left:.6rem}
  .ex-row .idx{font-family:var(--serif);font-size:1.1rem;color:var(--copper)}
  .ex-row h3{font-size:1.42rem;font-weight:500}
  .ex-row p{color:var(--muted);font-size:1rem}

  /* PARTNERS */
  .partners{background:var(--bone-2)}
  .partners .sec-head{text-align:center;margin-left:auto;margin-right:auto}
  .logo-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:3rem 2.6rem;max-width:1140px;margin:0 auto}
  .logo-cell{flex:0 0 170px;display:flex;align-items:center;justify-content:center;min-height:70px}
  .logo-cell svg{height:48px;width:auto;max-width:100%;color:var(--ink);transition:color .3s}
  .logo-cell:hover svg{color:var(--copper)}

  /* LEADERSHIP */
  .leaders{background:var(--paper)}
  .lead-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
  .leader .portrait{aspect-ratio:4/5;background:linear-gradient(160deg,var(--ink-2),var(--ink-deep));background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;border:1px solid var(--hair);margin-bottom:1.3rem;position:relative}
  .leader .portrait .mono{font-family:var(--serif);font-size:3rem;color:rgba(199,154,106,.5)}
  .leader h3{font-size:1.4rem;font-weight:500}
  .leader .role{color:var(--copper);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;margin:.4rem 0 .9rem;font-weight:600}
  .leader p{color:var(--muted);font-size:.95rem}
  .lead-note{text-align:center;color:var(--muted-lt);font-size:.8rem;margin-top:1.8rem}

  /* CONTACT */
  .contact{background:var(--ink)}
  .contact .marker.on-dark,.contact h2,.contact .lead{color:#fff}
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4.5rem;align-items:start}
  .contact h2{font-size:clamp(2rem,3.6vw,3rem);font-weight:400;margin:1.1rem 0 1.1rem;color:#fff}
  .contact .lead{color:rgba(255,255,255,.76);font-size:1.08rem;max-width:42ch}
  .ci-list{margin-top:2.6rem;border-top:1px solid var(--hair-d)}
  .ci{display:flex;justify-content:space-between;align-items:baseline;padding:1.15rem 0;border-bottom:1px solid var(--hair-d)}
  .ci .k{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-lt);font-weight:600}
  .ci .v{font-size:1.02rem;color:#fff}.ci a.v:hover{color:var(--copper-lt)}
  form{background:rgba(255,255,255,.03);border:1px solid var(--hair-d);padding:2.3rem}
  .bs-toggle{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:1.6rem}
  .bs{cursor:pointer}
  .bs input{position:absolute;opacity:0;pointer-events:none}
  .bs span{display:block;text-align:center;padding:.9rem .6rem;border:1px solid var(--hair-d);color:rgba(255,255,255,.72);font-size:.78rem;font-weight:600;letter-spacing:.03em;transition:.25s}
  .bs span:hover{border-color:rgba(255,255,255,.45)}
  .bs input:checked+span{background:var(--copper);border-color:var(--copper);color:#fff}
  .fld{margin-bottom:1.1rem}
  .fld label{display:block;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-lt);margin-bottom:.5rem;font-weight:600}
  .fld input,.fld textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--hair-d);padding:.7rem 0;color:#fff;font-family:var(--sans);font-size:.98rem;transition:.3s}
  .fld input:focus,.fld textarea:focus{outline:none;border-color:var(--copper-lt)}
  .fld textarea{resize:vertical;min-height:90px}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
  form .btn{width:100%;justify-content:center;margin-top:1rem}
  #formMsg{display:none;text-align:center;padding:3rem 1rem;color:#fff}
  #formMsg .ok{font-family:var(--serif);font-size:1.6rem;margin-bottom:.6rem}
  #formMsg p{color:rgba(255,255,255,.7);font-size:.95rem}

  /* FOOTER */
  footer{background:var(--ink-deep);color:rgba(255,255,255,.65);padding:4rem 0 2.2rem}
  .foot{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem;padding-bottom:2.4rem;border-bottom:1px solid var(--hair-d)}
  .foot .brand .name{font-size:1.5rem}
  .foot-tag{color:var(--muted-lt);font-size:.9rem;max-width:32ch;margin-top:1rem}
  .foot-links{display:flex;gap:1.8rem;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
  .foot-links a{color:rgba(255,255,255,.7)}.foot-links a:hover{color:var(--copper-lt)}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:1.6rem;font-size:.78rem;color:var(--muted-lt)}
  .foot-bottom a{color:var(--copper-lt)}

  @media(max-width:1000px){
    .about-grid,.map-wrap,.contact-grid{grid-template-columns:1fr;gap:2.8rem}
    .proj-grid{grid-template-columns:repeat(2,1fr)}
    .lead-grid{grid-template-columns:repeat(3,1fr);gap:1.2rem}
  }
  @media(max-width:760px){
    body{font-size:16px}
    .navlinks{position:fixed;inset:0;background:rgba(6,18,31,.98);flex-direction:column;justify-content:center;gap:2rem;transform:translateX(100%);transition:transform .4s var(--ease)}
    .navlinks.open{transform:none}.navlinks a{font-size:1.1rem}
    .nav>.btn{display:none}.burger{display:flex}
    .burger.x span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
    .burger.x span:nth-child(2){opacity:0}
    .burger.x span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
    section.pad{padding:5rem 0}
    .hero-strip .wrap{grid-template-columns:1fr 1fr}
    .hstat{border-bottom:1px solid var(--hair-d)}.hstat:nth-child(2){border-right:0}
    .proj-grid,.lead-grid{grid-template-columns:1fr}
    .logo-cell{flex:0 0 40%}
    .ex-row{grid-template-columns:40px 1fr;gap:.5rem 1rem}.ex-row p{grid-column:2}
    .row2,.bs-toggle{grid-template-columns:1fr}
  }

  /* MULTI-PAGE */
  .page-head{background:var(--ink-deep);color:#fff;padding:10rem 0 4rem}
  .page-head .marker.on-dark{color:var(--copper-lt)}
  .page-head h1{color:#fff;font-size:clamp(2.2rem,4.4vw,3.4rem);font-weight:400;margin:1rem 0 0}
  .page-head .lead-p{color:rgba(255,255,255,.6)}
  .cta-band{background:linear-gradient(rgba(12,28,46,.84),rgba(12,28,46,.9)),url('img/cta-bg.jpg') center/cover,var(--ink);color:#fff;padding:6.5rem 0}
  .cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
  .cta-band h2{color:#fff;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:400;max-width:20ch}
  @media(max-width:760px){.page-head{padding:8rem 0 3rem}}

  .page-head.plan-bg{background:linear-gradient(rgba(6,18,31,.8),rgba(6,18,31,.9)),url('img/record-bg.jpg') center/cover}