:root{
  --ink:#121617;
  --ink2:#202727;
  --stone:#e6e0d7;
  --paper:#f6f3ee;
  --white:#fff;
  --copper:#b96c42;
  --copper2:#d6946c;
  --blue:#426f83;
  --blue2:#7fa7b8;
  --sage:#d8ded7;
  --muted:#6c7473;
  --line:rgba(18,22,23,.13);
  --shadow:0 28px 74px rgba(18,22,23,.14);
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(1240px,calc(100% - 44px));margin-inline:auto}
.section{padding:108px 0}
.section.tight{padding:72px 0}
.dark{background:var(--ink);color:white}
.stone{background:var(--stone)}
.eyebrow{text-transform:uppercase;letter-spacing:.19em;font-size:.7rem;font-weight:650;color:var(--blue)}
.dark .eyebrow{color:#9bc3d3}
.display{font-family:var(--serif);font-weight:500;line-height:.95;letter-spacing:-.045em;margin:0}
h1.display{font-size:clamp(3.7rem,8vw,8rem)}
h2.display{font-size:clamp(2.7rem,5.2vw,5.3rem)}
h3{line-height:1.12}
p{margin:0 0 1rem}
.muted{color:var(--muted)}
.dark .muted{color:rgba(255,255,255,.62)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stack{display:grid;gap:17px}
.rule{height:1px;background:var(--line);margin:28px 0}
.btn{
  min-height:50px;padding:0 22px;border:1px solid transparent;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:620;transition:.22s ease;cursor:pointer
}
.btn.primary{background:var(--ink);color:white}
.btn.primary:hover{background:#263030;transform:translateY(-2px)}
.btn.copper{background:var(--copper);color:white}
.btn.copper:hover{background:#9e5934;transform:translateY(-2px)}
.btn.light{background:white;color:var(--ink)}
.btn.outline{background:transparent;border-color:var(--line)}
.dark .btn.outline{border-color:rgba(255,255,255,.24);color:white}
.btn-row{display:flex;gap:11px;flex-wrap:wrap}
.card{
  background:white;border:1px solid var(--line);padding:28px;
  box-shadow:0 14px 38px rgba(18,22,23,.045)
}
.card h3{font-family:var(--serif);font-size:1.58rem;font-weight:500;margin:0 0 9px}
.card p{color:var(--muted)}
.dark .card{color:var(--ink)}
.dark .card p{color:var(--muted)}
.dark .card h3{color:var(--ink)}
.metric{font-family:var(--serif);font-size:2.1rem;line-height:1;color:var(--copper);margin-bottom:7px}

/* attached centred header */
header{
  position:sticky;top:0;z-index:80;background:rgba(246,243,238,.96);
  backdrop-filter:blur(18px);border-bottom:1px solid var(--line)
}
.nav{
  min-height:80px;display:grid;grid-template-columns:minmax(220px,1fr) auto minmax(220px,1fr);
  align-items:center;gap:26px
}
.brand{justify-self:start;display:flex;align-items:center;gap:11px}
.brandmark{
  width:44px;height:44px;background:var(--ink);color:white;display:grid;place-items:center;
  font-family:var(--serif);font-size:1rem;position:relative;overflow:hidden
}
.brandmark:after{content:"";position:absolute;width:12px;height:60px;background:var(--copper);right:3px;top:-8px;transform:rotate(29deg);opacity:.9}
.brandmark span{position:relative;z-index:2}
.brand strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.12rem;line-height:1}
.brand small{display:block;font-size:.59rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.navlinks{justify-self:center;display:flex;align-items:center;gap:0}
.navlinks>a,.dropbtn{
  min-height:80px;padding:0 13px;display:flex;align-items:center;
  color:#444c4b;font-size:.8rem;font-weight:500;border:0;background:transparent;
  position:relative;white-space:nowrap
}
.navlinks>a:after,.dropbtn:after{
  content:"";position:absolute;left:13px;right:13px;bottom:17px;height:1px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;transition:.2s
}
.navlinks>a:hover,.dropbtn:hover,.dropdown:hover .dropbtn{color:var(--copper)}
.navlinks>a:hover:after,.dropbtn:hover:after,.dropdown:hover .dropbtn:after{transform:scaleX(1)}
.navcta{justify-self:end}
.navcta .btn{min-height:44px;padding-inline:17px;font-size:.78rem;font-weight:550}
.dropdown{position:static}
.dropdown-menu{
  position:absolute;top:80px;left:50%;transform:translate(-50%,10px);
  width:min(790px,calc(100vw - 70px));padding:15px;
  background:rgba(246,243,238,.985);border:1px solid var(--line);border-top:0;
  display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:8px;
  opacity:0;visibility:hidden;transition:.2s;box-shadow:0 24px 60px rgba(18,22,23,.12)
}
.dropdown:hover .dropdown-menu,.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dropdown-menu a{
  min-height:92px;background:white;border:1px solid rgba(18,22,23,.08);
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:16px;font-size:.83rem;font-weight:500;position:relative;overflow:hidden;transition:.2s
}
.dropdown-menu a:before{font-size:.58rem;letter-spacing:.15em;text-transform:uppercase;color:var(--blue);font-weight:650;margin-bottom:6px}
.dropdown-menu a:nth-child(1):before{content:"Core overview"}
.dropdown-menu a:nth-child(2):before{content:"Civils"}
.dropdown-menu a:nth-child(3):before{content:"Roads + water"}
.dropdown-menu a:nth-child(4):before{content:"Asset life"}
.dropdown-menu a:nth-child(5):before{content:"Power + industry"}
.dropdown-menu a:nth-child(6):before{content:"SHEQ + company"}
.dropdown-menu a:hover{transform:translateY(-2px);border-color:rgba(185,108,66,.24);box-shadow:0 10px 24px rgba(18,22,23,.06)}
.dropdown-menu a:first-child{
  grid-row:span 2;min-height:192px;background:linear-gradient(145deg,#e8e1d6,#f4efe7);
  font-family:var(--serif);font-size:1.45rem
}
.menu-btn{display:none;border:0;background:var(--ink);color:white;width:46px;height:46px}
.mobile-menu{
  display:none;position:fixed;top:70px;left:0;right:0;z-index:79;background:rgba(246,243,238,.99);
  padding:18px 22px 28px;border-bottom:1px solid var(--line);box-shadow:0 24px 50px rgba(18,22,23,.12)
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-weight:500}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}
.mobile-grid a{background:white;padding:11px;border:1px solid var(--line);text-align:center;font-size:.82rem}

/* hero */
.hero{
  min-height:790px;position:relative;overflow:hidden;color:white;background:#101515
}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,14,14,.94) 0%,rgba(10,14,14,.78) 48%,rgba(10,14,14,.28) 78%,rgba(10,14,14,.18) 100%)
}
.hero .container{position:relative;z-index:2;min-height:790px;display:flex;align-items:center}
.hero-copy{max-width:820px;padding-block:70px}
.hero-copy .eyebrow{color:#a5ccda}
.hero-copy .display span{color:var(--copper2)}
.hero-copy>p{font-size:1.08rem;color:#c7cecc;max-width:690px;margin:28px 0}
.hero-trust{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}
.hero-trust span{padding:8px 11px;border:1px solid rgba(255,255,255,.22);font-size:.73rem;background:rgba(12,17,17,.48)}

.credential-strip{background:var(--copper);color:white}
.credential-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}
.credential{padding:24px;border-left:1px solid rgba(255,255,255,.23)}
.credential:first-child{border-left:0}
.credential strong{display:block;font-family:var(--serif);font-size:1.42rem;font-weight:500}
.credential span{font-size:.79rem;color:rgba(255,255,255,.78)}

/* imagery */
.photo{min-height:510px;position:relative;overflow:hidden;background:#27302f;box-shadow:var(--shadow)}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo.tall{min-height:650px}
.photo.short{min-height:360px}

/* capability tiles */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cap{
  min-height:220px;background:white;border:1px solid var(--line);padding:27px;
  position:relative;transition:.22s
}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cap .num{font-size:.66rem;letter-spacing:.14em;color:var(--copper);font-weight:650}
.cap h3{font-family:var(--serif);font-weight:500;font-size:1.55rem;margin:18px 0 8px}
.cap p{color:var(--muted);font-size:.92rem}
.cap a{font-size:.82rem;font-weight:600;color:var(--blue)}

/* section split */
.editorial-split{display:grid;grid-template-columns:1.08fr .92fr;align-items:center}
.editorial-split .photo{min-height:640px}
.editorial-copy{
  background:var(--paper);margin-left:-72px;position:relative;z-index:2;
  padding:58px;border:1px solid var(--line);box-shadow:0 24px 55px rgba(18,22,23,.11)
}
.dark .editorial-copy{background:#1c2323;border-color:rgba(255,255,255,.12)}

.process{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.12)}
.step{padding:26px;background:var(--ink)}
.step b{display:block;font-family:var(--serif);font-size:2rem;font-weight:500;color:var(--copper2);margin-bottom:11px}
.step strong{display:block;font-weight:600;margin-bottom:7px}
.step p{font-size:.87rem;color:rgba(255,255,255,.6)}

/* page hero */
.pagehero{padding:100px 0 78px;background:linear-gradient(135deg,#151b1b,#283130);color:white}
.pagehero .display{max-width:1050px}
.pagehero p{max-width:780px;color:#bdc6c3;font-size:1.05rem;margin-top:22px}

/* feature rows */
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feature{background:white;border:1px solid var(--line);padding:24px}
.feature span{display:block;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:650}
.feature h3{font-family:var(--serif);font-weight:500;font-size:1.38rem;margin:8px 0}
.feature p{color:var(--muted);font-size:.9rem}

/* RFQ builder */
.builder{
  display:grid;grid-template-columns:.72fr 1.28fr;gap:30px;background:white;border:1px solid var(--line);
  padding:34px;box-shadow:var(--shadow)
}
.builder-steps{display:grid;gap:8px}
.builder-step{padding:15px;background:#efede8;border-left:3px solid transparent;font-size:.81rem;font-weight:600}
.builder-step.active{background:var(--ink);color:white;border-left-color:var(--copper)}
.builder-panel{display:none}
.builder-panel.active{display:block}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:22px}
.choice{min-height:76px;padding:17px;background:white;border:1px solid var(--line);text-align:left;font-weight:600;cursor:pointer}
.choice:hover{border-color:var(--copper);background:#fbf7f3}
.field{display:grid;gap:6px;margin-bottom:13px}
.field label{font-size:.78rem;font-weight:600}
.field input,.field textarea,.field select{width:100%;padding:13px 14px;border:1px solid var(--line);background:white;outline:none}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--copper);box-shadow:0 0 0 4px rgba(185,108,66,.08)}
.summary{background:var(--stone);padding:18px;margin:17px 0}

/* footer */
footer{background:#0b0f0f;color:white;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:44px}
footer a{color:#b8c1be}
.footer-links{display:grid;gap:8px;margin-top:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;color:#74807c;font-size:.77rem;display:flex;justify-content:space-between;gap:20px}
.float-rfq{position:fixed;right:17px;bottom:17px;z-index:60;box-shadow:0 14px 35px rgba(0,0,0,.28)}

@media(max-width:1080px){
  .nav{grid-template-columns:1fr auto;min-height:70px}
  .navlinks,.navcta{display:none}
  .menu-btn{display:block;justify-self:end}
  .grid2,.builder,.editorial-split{grid-template-columns:1fr}
  .editorial-copy{margin:-50px 28px 0}
  .grid4,.credential-strip .container{grid-template-columns:1fr 1fr}
  .grid3,.cap-grid{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:680px){
  .container{width:min(100% - 26px,1240px)}
  .brand small{display:none}
  .section{padding:76px 0}
  .section.tight{padding:54px 0}
  h1.display{font-size:clamp(3rem,15vw,4.8rem)}
  h2.display{font-size:clamp(2.35rem,12vw,3.7rem)}
  .hero,.hero .container{min-height:690px}
  .hero:after{background:linear-gradient(90deg,rgba(10,14,14,.91),rgba(10,14,14,.55))}
  .credential-strip .container,.grid4,.grid3,.cap-grid,.feature-list,.choices,.footer-grid{grid-template-columns:1fr}
  .credential{border-left:0;border-top:1px solid rgba(255,255,255,.23)}
  .credential:first-child{border-top:0}
  .photo,.photo.tall{min-height:430px}
  .editorial-copy{margin:-38px 12px 0;padding:34px 22px}
  .process{grid-template-columns:1fr}
  .builder{padding:21px}
  .footer-grid>div:first-child{grid-column:auto}
  .footer-bottom{flex-direction:column}
  .mobile-grid{grid-template-columns:1fr}
}