:root{
  --navy:#08233f;
  --navy-2:#0d3557;
  --blue:#176487;
  --cyan:#0f93bb;
  --gold:#c7a33a;
  --gold-soft:#eadcae;
  --ink:#182431;
  --muted:#607080;
  --light:#f3f6f8;
  --white:#ffffff;
  --border:#d9e2e8;
  --shadow:0 18px 50px rgba(7,31,54,.12);
  --radius:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.container{width:min(1180px,92%);margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:1rem;top:1rem;z-index:999;background:#fff;padding:.75rem 1rem}
.topbar{background:#051a2e;color:#dbe6ee;font-size:.9rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.48rem 0}
.topbar a:hover{text-decoration:underline}
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);box-shadow:0 6px 20px rgba(4,27,48,.05)}
.nav-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.brand-logo img{width:168px;height:auto;max-height:76px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:1.35rem}
.nav-links a{font-size:.94rem;font-weight:750;color:#27384a;position:relative;padding:.35rem 0}
.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;background:var(--gold);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
.nav-links a:hover:after,.nav-links a.active:after{right:0}
.nav-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:1.8rem;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.88rem 1.25rem;border:1px solid transparent;border-radius:4px;font-weight:800;transition:.2s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--gold);color:#13202c}.btn-primary:hover{background:#d5b64c}
.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--navy-2)}
.btn-outline{border-color:rgba(255,255,255,.8);color:#fff;background:rgba(255,255,255,.03)}
.btn-outline-dark{border-color:var(--navy);color:var(--navy);background:#fff}
.eyebrow{font-size:.8rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.hero{min-height:700px;display:grid;align-items:center;color:#fff;background-image:linear-gradient(90deg,rgba(4,23,42,.94) 0%,rgba(5,32,55,.82) 48%,rgba(5,32,55,.37) 100%),url('../images/bridge-hero.webp');background-size:cover;background-position:center;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;inset:auto -140px -210px auto;width:560px;height:560px;border:75px solid rgba(255,255,255,.07);border-radius:50%}
.hero-content{max-width:820px;padding:6.5rem 0;position:relative;z-index:2}
.hero h1{font-size:clamp(2.8rem,6.4vw,5.8rem);line-height:1.01;letter-spacing:-.035em;margin:.65rem 0 1.25rem}
.hero p{font-size:1.16rem;max-width:720px;color:#e5edf3;margin:0}
.hero-actions{display:flex;gap:.85rem;flex-wrap:wrap;margin-top:2rem}
.hero-note{margin-top:2.2rem;padding-left:1rem;border-left:3px solid var(--gold);color:#dbe6ee;font-size:.94rem;max-width:650px}
.stats{margin-top:-58px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--shadow);border:1px solid rgba(215,225,232,.7)}
.stat{padding:1.55rem 1.35rem;border-right:1px solid var(--border)}.stat:last-child{border-right:0}
.stat strong{display:block;color:var(--navy);font-size:1.35rem;line-height:1.2}.stat span{color:var(--muted);font-size:.92rem}
.section{padding:92px 0}.section-sm{padding:62px 0}.section-light{background:var(--light)}.section-dark{background:var(--navy);color:#fff}.section-blue{background:#eaf2f6}
.section-head{max-width:790px;margin-bottom:2.6rem}.section-head.center{text-align:center;margin-inline:auto;margin-bottom:3rem}
.section h2,.page-hero h1{font-family:Georgia,'Times New Roman',serif;color:var(--navy);font-weight:700;letter-spacing:-.025em}
.section h2{font-size:clamp(2.15rem,4.3vw,3.65rem);line-height:1.12;margin:.5rem 0 1rem}.section-dark h2{color:#fff}
.lead{font-size:1.12rem;color:var(--muted);max-width:760px}.section-dark .lead{color:#cfdae2}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:3.6rem;align-items:center}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.35rem}
.media-frame{min-height:450px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative;background:#dce5eb}
.media-frame img{width:100%;height:100%;min-height:450px;object-fit:cover}
.media-frame:after{content:"";position:absolute;inset:22px;border:1px solid rgba(255,255,255,.72);pointer-events:none}
.text-block p{color:var(--muted)}
.check-list,.service-list{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.65rem}.check-list li,.service-list li{position:relative;padding-left:1.6rem;color:#415162}.check-list li:before,.service-list li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.35rem}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(7,31,54,.05);transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-photo{height:195px;overflow:hidden;background:#dbe5eb}.card-photo img{width:100%;height:100%;object-fit:cover;transition:.35s}.card:hover .card-photo img{transform:scale(1.035)}
.card-body{padding:1.55rem;display:flex;flex-direction:column;flex:1}.card-kicker{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:850}.card h3{font-size:1.26rem;color:var(--navy);margin:.45rem 0 .65rem;line-height:1.25}.card p{margin:0 0 1rem;color:var(--muted)}.card .link{margin-top:auto;color:var(--blue);font-weight:800}
.feature-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.15)}
.feature-box{padding:2rem;background:rgba(255,255,255,.055);min-height:190px}.feature-box h3{color:#fff;margin:.4rem 0}.feature-box p{color:#cfdae2;margin:0}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem}.value-card{padding:1.55rem;border:1px solid var(--border);background:#fff}.value-number{color:var(--gold);font-weight:900;font-size:1.4rem}.value-card h3{color:var(--navy);margin:.5rem 0}.value-card p{margin:0;color:var(--muted)}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.35rem}.mission-card{padding:2.2rem;background:#fff;border:1px solid var(--border);border-top:5px solid var(--gold);box-shadow:0 10px 30px rgba(7,31,54,.07)}.mission-card h2{font-size:2rem;margin:.35rem 0 1rem}.mission-card p{color:var(--muted);font-size:1.05rem}
.page-hero{min-height:420px;display:grid;align-items:end;padding:90px 0 68px;color:#fff;background-size:cover;background-position:center;position:relative}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,23,42,.95),rgba(6,38,64,.68))}
.page-hero .container{position:relative;z-index:2}.page-hero h1{color:#fff;font-size:clamp(2.6rem,5vw,4.8rem);line-height:1.06;margin:.55rem 0 .7rem}.page-hero p{max-width:720px;font-size:1.08rem;color:#e0e9ef}
.about-page .page-hero{background-image:url('../images/site-team.webp')}.services-page .page-hero{background-image:url('../images/geotechnical.webp')}.projects-page .page-hero{background-image:url('../images/bridge-hero.webp')}.training-page .page-hero{background-image:url('../images/training.webp')}.insights-page .page-hero{background-image:url('../images/transport.webp')}.contact-page .page-hero,.privacy-page .page-hero,.credits-page .page-hero{background-image:url('../images/water.webp')}
.service-detail{display:grid;grid-template-columns:.78fr 1.22fr;gap:2.5rem;padding:2.5rem 0;border-bottom:1px solid var(--border);align-items:start}.service-detail:last-child{border-bottom:0}.service-detail .service-photo{height:315px;border-radius:var(--radius);overflow:hidden;box-shadow:0 12px 36px rgba(7,31,54,.11)}.service-detail .service-photo img{width:100%;height:100%;object-fit:cover}.service-detail h2{font-size:2.15rem;margin:.25rem 0 .65rem}.service-detail p{color:var(--muted)}
.deliverables{display:flex;gap:.55rem;flex-wrap:wrap;margin-top:1.25rem}.tag{display:inline-flex;padding:.4rem .65rem;border:1px solid #cad7df;border-radius:99px;background:#f8fafb;font-size:.82rem;font-weight:700;color:#3c5365}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.project-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 34px rgba(7,31,54,.07)}.project-image{height:260px}.project-image img{width:100%;height:100%;object-fit:cover}.project-content{padding:1.65rem}.project-meta{display:flex;gap:.55rem;flex-wrap:wrap;margin-bottom:.8rem}.project-card h3{color:var(--navy);font-size:1.42rem;margin:.4rem 0 .8rem}.project-card p{color:var(--muted)}.project-scope{border-top:1px solid var(--border);padding-top:1rem;margin-top:1rem}.project-scope strong{color:var(--navy);display:block;margin-bottom:.35rem}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.process-step{padding:1.55rem;background:#fff;border:1px solid var(--border)}.process-step span{display:inline-grid;place-items:center;width:42px;height:42px;background:var(--navy);color:var(--gold);font-weight:900}.process-step h3{color:var(--navy);margin:.8rem 0 .35rem}.process-step p{color:var(--muted);margin:0}
.notice{padding:1rem 1.15rem;border-left:4px solid var(--gold);background:#fff7d9;color:#4d4a36;margin:1.25rem 0}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:2rem}.contact-card{background:var(--navy);color:#fff;padding:2.1rem;border-radius:var(--radius)}.contact-card h2{color:#fff;font-size:2.2rem}.contact-card a{color:#fff;text-decoration:underline}.contact-card address{font-style:normal;color:#d7e1e8}.contact-points{display:grid;gap:1.25rem;margin-top:1.6rem}.contact-point small{display:block;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);font-weight:800}.form-card{padding:2rem;border:1px solid var(--border);box-shadow:0 12px 34px rgba(7,31,54,.07);background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-grid .full{grid-column:1/-1}label{font-weight:750;color:#293c4d;display:block;margin-bottom:.35rem}input,textarea,select{width:100%;border:1px solid #c7d2da;padding:.88rem .95rem;background:#fff;border-radius:3px}textarea{min-height:160px;resize:vertical}input:focus,textarea:focus,select:focus{outline:2px solid rgba(15,147,187,.24);border-color:var(--blue)}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.35rem}.article-card{background:#fff;border:1px solid var(--border);overflow:hidden}.article-card img{height:190px;width:100%;object-fit:cover}.article-card .article-body{padding:1.4rem}.article-card h3{color:var(--navy);margin:.5rem 0}.article-card p{color:var(--muted)}
.cta{background:linear-gradient(100deg,var(--gold),#e4c868);padding:52px 0}.cta .container{display:flex;align-items:center;justify-content:space-between;gap:2rem}.cta h2{font-family:Georgia,'Times New Roman',serif;color:#132536;margin:0 0 .35rem;font-size:clamp(1.8rem,3vw,2.7rem)}.cta p{margin:0;color:#374452}
.footer{background:#04182b;color:#c8d5df;padding:70px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.45fr;gap:2rem}.footer-logo-wrap{display:inline-block;background:#fff;padding:.45rem .65rem;border-radius:4px;margin-bottom:1rem}.footer-logo-wrap img{width:185px;max-height:128px;object-fit:contain}.footer p{max-width:390px}.footer h4{color:#fff;margin:0 0 1rem}.footer a{display:block;margin:.48rem 0;color:#d6e0e7}.footer a:hover{color:#fff}.footer address{font-style:normal;line-height:1.7;color:#d6e0e7}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:2.3rem;padding-top:1.2rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.88rem}.fine-print{font-size:.84rem;color:#9fb0bd}
.prose{max-width:850px}.prose h2,.prose h3{color:var(--navy)}.prose h2{font-size:2.2rem}.prose h3{margin-top:2rem}.prose p,.prose li{color:#4e5f6e}.prose a{color:var(--blue);text-decoration:underline}.credits-list{display:grid;gap:1rem}.credit-item{padding:1.2rem;border:1px solid var(--border);background:#fff}.credit-item h3{margin:0 0 .4rem;color:var(--navy)}
@media(max-width:980px){
  .nav-toggle{display:block}.nav-links{display:none;position:absolute;top:88px;left:0;right:0;background:#fff;padding:1rem 4% 1.3rem;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--border);box-shadow:0 16px 28px rgba(4,27,48,.08)}.nav-links.open{display:flex}
  .stats-grid,.feature-band,.value-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid,.grid-3,.article-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2,.service-detail,.contact-grid{grid-template-columns:1fr}.service-detail .service-photo{height:360px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .topbar .container{display:block;padding:.55rem 0}.topbar .container span:last-child{display:block;margin-top:.15rem}
  .nav-inner{min-height:78px}.brand-logo img{width:135px;max-height:66px}.nav-links{top:78px}
  .hero{min-height:610px}.hero-content{padding:5rem 0}.hero h1{font-size:2.8rem}.hero p{font-size:1.02rem}
  .section{padding:68px 0}.section-sm{padding:48px 0}
  .stats{margin-top:0}.stats-grid,.service-grid,.grid-3,.article-grid,.feature-band,.value-grid,.mission-grid,.project-grid,.process-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--border)}.stat:last-child{border-bottom:0}
  .media-frame,.media-frame img{min-height:340px}.service-detail .service-photo{height:280px}
  .page-hero{min-height:360px;padding:80px 0 55px}.project-image{height:220px}
  .cta .container{flex-direction:column;align-items:flex-start}
  .copyright{display:block}.copyright span{display:block;margin-top:.45rem}
}

/* Safari and iPhone responsive refinements */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:hidden}
body{overflow-x:hidden;min-width:320px;-webkit-font-smoothing:antialiased}
.navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
img{height:auto}
button,a{-webkit-tap-highlight-color:transparent}
input,textarea,select{font-size:16px}

@supports(padding:max(0px)){
  .topbar .container,.nav-inner,.hero-content,.page-hero .container,.section>.container,.section-sm>.container,.cta .container,.footer>.container{
    padding-left:max(0px,env(safe-area-inset-left));
    padding-right:max(0px,env(safe-area-inset-right));
  }
  .footer{padding-bottom:max(22px,env(safe-area-inset-bottom))}
}

@media(max-width:680px){
  .container{width:calc(100% - 32px)}
  .topbar{font-size:.78rem}
  .topbar .container{display:flex;flex-direction:column;align-items:flex-start;gap:.15rem;padding:.45rem 0}
  .topbar .container span:last-child{margin-top:0;overflow-wrap:anywhere}
  .navbar{position:sticky;top:0}
  .nav-inner{min-height:70px;gap:.75rem}
  .brand-logo{display:flex;align-items:center;min-width:0}
  .brand-logo img{width:112px;max-height:58px}
  .nav-toggle{width:44px;height:44px;display:grid;place-items:center;padding:0;border-radius:4px;font-size:1.55rem;flex:0 0 44px}
  .nav-links{top:70px;max-height:calc(100svh - 70px);max-height:calc(100dvh - 70px);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:1rem 16px calc(1.25rem + env(safe-area-inset-bottom));gap:0;align-items:stretch}
  .nav-links a{width:100%;padding:.82rem 0;border-bottom:1px solid var(--border);font-size:1rem}
  .nav-links a:last-child{border-bottom:0}
  .nav-links a:after{display:none}
  .hero{min-height:auto;background-position:58% center}
  .hero:after{display:none}
  .hero-content{padding:4.3rem 0 4.6rem}
  .hero h1{font-size:clamp(2.25rem,11vw,3.05rem);line-height:1.04;letter-spacing:-.025em;overflow-wrap:break-word}
  .hero p{font-size:1rem;line-height:1.6}
  .hero-actions{display:grid;grid-template-columns:1fr;gap:.75rem}
  .hero-actions .btn{width:100%}
  .hero-note{font-size:.88rem;margin-top:1.5rem}
  .stats-grid{box-shadow:none;border-left:0;border-right:0}
  .stat{padding:1.15rem 1rem}
  .section{padding:56px 0}.section-sm{padding:42px 0}
  .section-head{margin-bottom:2rem}
  .section h2{font-size:clamp(2rem,9vw,2.7rem);overflow-wrap:break-word}
  .lead{font-size:1.03rem}
  .grid-2{gap:2rem}
  .media-frame,.media-frame img{min-height:260px}
  .media-frame:after{inset:12px}
  .card-photo{height:210px}
  .card-body,.project-content{padding:1.25rem}
  .feature-box{min-height:auto;padding:1.4rem}
  .mission-card{padding:1.45rem}
  .service-detail{gap:1.35rem;padding:2rem 0}
  .service-detail .service-photo{height:230px}
  .service-detail h2{font-size:1.9rem}
  .project-image{height:210px}
  .page-hero{min-height:300px;padding:62px 0 42px;background-position:center}
  .page-hero h1{font-size:clamp(2.25rem,10vw,3.25rem);overflow-wrap:break-word}
  .page-hero p{font-size:1rem}
  .form-card,.contact-card{padding:1.35rem}
  .cta{padding:40px 0}
  .cta .container{gap:1.25rem}
  .cta .btn{width:100%}
  .footer{padding-top:52px}
  .footer-grid{gap:1.7rem}
  .footer-logo-wrap img{width:150px;max-height:104px}
  .footer a,.footer address{overflow-wrap:anywhere}
}

@media(max-width:380px){
  .container{width:calc(100% - 24px)}
  .brand-logo img{width:100px}
  .hero h1{font-size:2.18rem}
  .btn{padding:.82rem 1rem}
}

@media(hover:none){
  .card:hover,.btn:hover{transform:none}
  .card:hover .card-photo img{transform:none}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ShervGok v5 professional refinements */
.btn-outline-dark{background:transparent;color:var(--navy);border:1px solid var(--navy)}.btn-outline-dark:hover{background:var(--navy);color:#fff}.premium-media{position:relative}.media-caption{position:absolute;left:1.25rem;right:1.25rem;bottom:1.25rem;padding:.8rem 1rem;background:rgba(4,24,43,.88);color:#fff;font-size:.9rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.training-highlights{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.35rem 0}.training-highlights span{padding:.48rem .7rem;background:#edf5f8;border-left:3px solid var(--blue);font-size:.84rem;font-weight:800;color:var(--navy)}.experience-grid{display:grid;gap:2rem}.experience-card{display:grid;grid-template-columns:1.1fr 1fr;background:#fff;border:1px solid var(--border);box-shadow:0 16px 45px rgba(7,31,54,.09);overflow:hidden}.experience-card.reverse{grid-template-columns:1fr 1.1fr}.experience-card.reverse .experience-image{order:2}.experience-image{min-height:440px;background:#eef3f6}.experience-image img{width:100%;height:100%;object-fit:cover}.experience-copy{padding:2.25rem;align-self:center}.experience-copy h3{font-family:Georgia,'Times New Roman',serif;color:var(--navy);font-size:2rem;margin:.55rem 0 .85rem}.experience-copy p{color:var(--muted)}.check-list.compact{margin-top:1rem}.check-list.compact li{margin:.42rem 0}.profile-band{background:linear-gradient(135deg,#edf5f8 0%,#fff 62%)}.profile-download{padding:2rem;background:var(--navy);color:#fff;border-top:4px solid var(--gold);box-shadow:0 16px 40px rgba(4,24,43,.16)}.profile-download h3{font-family:Georgia,'Times New Roman',serif;font-size:2rem;margin:.55rem 0;color:#fff}.profile-download p{color:#d7e2e9}.document-label{display:inline-block;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-weight:900;font-size:.76rem}.project-card,.card,.process-step,.mission-card{transition:transform .25s ease,box-shadow .25s ease}.experience-card:hover,.project-card:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(7,31,54,.13)}
@media(max-width:980px){.experience-card,.experience-card.reverse{grid-template-columns:1fr}.experience-card.reverse .experience-image{order:0}.experience-image{min-height:360px}}
@media(max-width:680px){.experience-grid{gap:1.25rem}.experience-image{min-height:250px}.experience-copy{padding:1.3rem}.experience-copy h3{font-size:1.65rem}.media-caption{left:.75rem;right:.75rem;bottom:.75rem;font-size:.82rem}.training-highlights{display:grid;grid-template-columns:1fr}.profile-download{padding:1.4rem}.hero-actions{width:100%}.hero-actions .btn{width:100%}}

/* Secure contact form */
.form-status {
  margin: 0 0 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: .75rem;
  border: 1px solid;
  font-weight: 650;
  line-height: 1.5;
}
.form-status-success {
  background: #edf8f1;
  border-color: #77b88e;
  color: #174e2d;
}
.form-status-error {
  background: #fff1f0;
  border-color: #d88b84;
  color: #7c211b;
}