/* SG Structural Modeling — original orange and grey identity. */
*,*::before,*::after{box-sizing:border-box}body,h1,h2,h3,p,figure{margin:0}img,svg{display:block;max-width:100%}img{height:auto}button{font:inherit}a{color:inherit;text-underline-offset:4px}
:root{--orange:#f26522;--accent:#a93d0b;--ink:#444;--muted:#626262;--paper:#fff;--soft:#f5f5f5;--line:#e3e3e3;--max:1170px;--gutter:clamp(20px,4vw,60px);--section:clamp(48px,6vw,80px)}
html{scroll-behavior:smooth;scroll-padding-top:100px}body{font-family:Raleway,Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper);font-variant-numeric:lining-nums}::selection{background:#ffdac8}h1,h2,h3{line-height:1.3;font-weight:600;letter-spacing:-.025em}h1{font-size:clamp(29px,3.4vw,44px);color:var(--accent)}h2{font-size:clamp(27px,3vw,36px);color:var(--accent)}h3{font-size:21px;color:var(--accent)}a:hover{color:var(--accent)}:focus-visible{outline:3px solid #944014;outline-offset:5px}.container{width:min(var(--max),calc(100% - 2*var(--gutter)));margin-inline:auto}.section{padding-block:var(--section)}.eyebrow{font-size:11px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent)}.muted{color:var(--muted)}.skip{position:fixed;z-index:100;top:8px;left:8px;transform:translateY(-150%);background:white;padding:12px}.skip:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.utility{background:var(--soft);border-bottom:1px solid #ececec;color:#666;font-size:11px}.utility .container{display:flex;justify-content:space-between;gap:18px;padding-block:9px}.contact-details{display:flex;gap:22px;flex-wrap:wrap}.utility a{text-decoration:none}.site-header{background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;padding-block:20px}.brand{display:inline-flex;align-items:center;flex-shrink:0}.brand img{width:150px;height:50px;object-fit:contain;filter:brightness(1.3) contrast(1.1)}.nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap;width:100%;font-size:13px}.nav>a{text-decoration:none}.languages{display:flex;gap:8px;font-size:11px;align-items:center}.languages a[aria-current=page]{color:var(--accent);font-weight:700}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;background:var(--ink);color:white;text-decoration:none;padding:13px 21px;border:1px solid var(--ink);border-radius:2px;font-size:13px;font-weight:600;line-height:1.5;transition:background .18s}.button:hover{background:var(--accent);border-color:var(--accent);color:white}.button.primary{background:var(--accent);border-color:var(--accent)}.button.outline{background:transparent;color:var(--ink);border-color:#888}.nav .button{font-size:12px;padding:10px 15px}.menu-toggle{display:none;padding:9px 12px;background:white;border:1px solid var(--line);color:var(--ink);cursor:pointer;font-size:12px}.menu-ready .menu-toggle{display:block}.menu-ready .nav:not(.is-open){display:none}.breadcrumbs{font-size:11px;color:var(--muted);padding-block:13px}.breadcrumbs ol{display:flex;gap:10px;list-style:none;margin:0;padding:0}.breadcrumbs li+li::before{content:'/';margin-right:10px}.breadcrumbs a{text-decoration:none}
.home-hero{position:relative;isolation:isolate;background:#ededed;overflow:hidden;padding-block:45px}.hero-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-1}.hero-panel{background:#ffffffed;border-top:4px solid var(--orange);padding:clamp(25px,4vw,45px);max-width:760px;box-shadow:0 5px 25px #00000008}.hero-panel .eyebrow{margin-bottom:14px}.hero-panel h1{margin-bottom:22px}.hero-panel .lead{font-size:17px;line-height:1.8}.hero-panel p+p{margin-top:14px}.hero-panel p:not(.eyebrow){max-width:65ch}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}.quick-links{border-bottom:1px solid var(--line);background:#fff}.quick-links .container{display:grid;grid-template-columns:1fr 1fr}.quick-links a{display:flex;align-items:center;justify-content:space-between;padding:19px 15px;text-decoration:none;font-size:13px;border-right:1px solid var(--line)}.quick-links a:first-child{border-left:1px solid var(--line)}.quick-links span{color:var(--accent)}.section-heading{max-width:860px;margin-bottom:34px}.section-heading .eyebrow{margin-bottom:10px}.section-heading h2{margin-bottom:18px}.section-heading p:not(.eyebrow){color:var(--muted)}.centered{text-align:center;margin-inline:auto}.intro-grid{display:grid;gap:30px}.intro-grid p+p{margin-top:18px}.training-grid{display:grid;gap:24px;margin-top:36px}.training-card{border:1px solid var(--line);border-top:3px solid var(--orange);padding:25px;display:flex;flex-direction:column;align-items:flex-start}.training-card img{width:78px;height:78px;object-fit:contain;margin-bottom:22px}.training-card h3{font-size:20px;margin-bottom:15px}.training-card p{font-size:14px;margin-bottom:18px}.text-link{display:inline-flex;gap:16px;align-items:center;font-size:13px;font-weight:600;text-decoration:none;border-bottom:1px solid #bd5c2e;padding-block:6px;color:var(--accent)}.training-card .text-link{margin-top:auto}.training-note{background:var(--soft);padding:22px 26px;margin-top:26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;font-size:14px}.training-note p{max-width:70ch}.engineering{background:var(--soft);border-block:1px solid var(--line)}.expertise-grid{display:grid;gap:30px}.expertise-item{padding:27px;background:white;border-left:3px solid var(--orange)}.expertise-item h3{margin-bottom:14px}.expertise-item p{font-size:14px;margin-bottom:17px}.software-grid{display:grid;gap:40px;align-items:center}.software-grid h3{margin-bottom:16px}.software-grid p+p{margin-top:15px}.software-grid .text-link{margin-top:20px}.software-figure{background:var(--soft);padding:24px;border:1px solid var(--line)}.software-figure img{width:100%;max-width:440px;margin-inline:auto;object-fit:contain}.software-figure figcaption{font-size:12px;color:var(--muted);margin-top:14px}.software-points{padding-left:20px;font-size:14px;line-height:1.9}.software-points li{padding-left:4px;margin-block:8px}.software-points li::marker{color:var(--orange)}.people-section{background:#faf8f6;border-block:1px solid #eee5df}.people-grid{display:grid;gap:25px}.person{background:white;border:1px solid var(--line);padding:28px}.person-header{display:flex;align-items:center;gap:20px;margin-bottom:20px}.person-header img{width:80px;height:80px;object-fit:cover;border-radius:50%}.person h3{font-size:21px;margin-bottom:5px}.person .role{font-size:12px;color:var(--muted)}.person>p{font-size:14px}.references-grid{display:grid;gap:30px}.reference img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:20px}.reference h3{font-size:21px;margin-bottom:12px}.reference p{font-size:14px}.reference small{display:block;font-size:11px;color:var(--muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.08em}.reference.model img{object-fit:contain;background:#fafafa}.cta{border-top:4px solid var(--orange);background:#f5f5f5}.cta .container{display:grid;gap:25px;align-items:center}.cta h2{font-size:clamp(26px,3vw,34px);margin-block:12px}.cta p:not(.eyebrow){font-size:15px;max-width:66ch}.cta-email{display:block;margin-top:14px;font-size:13px;overflow-wrap:anywhere}.site-footer{background:var(--orange);color:#2e160b;padding-top:44px}.footer-grid{display:grid;gap:30px;padding-bottom:36px}.footer-grid p{font-size:13px;max-width:42ch;margin-top:20px}.footer-grid address{font-size:13px;font-style:normal;margin-top:18px}.footer-links{display:flex;flex-direction:column;gap:9px;align-items:start;font-size:13px}.footer-links strong{font-size:12px;text-transform:uppercase;letter-spacing:.07em;margin-bottom:10px}.footer-links a{text-decoration:none}.site-footer a:hover{color:#000;text-decoration:underline}.footer-bottom{border-top:1px solid #79351166;display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;padding-block:22px;font-size:11px}.error-page{padding-block:80px;min-height:55vh}.error-page h1{margin-block:20px}.error-page p{margin-block:22px}
h1,h2{color:var(--orange)}.button.primary{background:var(--orange);border-color:var(--orange);color:#2e160b}.button.primary:hover{background:#dd5315;border-color:#dd5315;color:#241006}
.reference{display:flex;flex-direction:column;align-items:flex-start}.reference img{flex:none;object-position:center 43%}.reference p{margin-bottom:16px}.reference .text-link{margin-top:auto}
@media(min-width:640px){.training-grid,.expertise-grid,.people-grid{grid-template-columns:repeat(2,1fr)}.quick-links .container{grid-template-columns:repeat(4,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.references-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.header-inner{flex-wrap:nowrap}.nav,.menu-ready .nav:not(.is-open){display:flex;width:auto;gap:24px}.menu-ready .menu-toggle{display:none}.training-grid{grid-template-columns:repeat(4,1fr)}.training-card{padding:24px 20px}.software-grid{grid-template-columns:1.2fr 1fr;gap:65px}.intro-grid{grid-template-columns:1fr 1fr;gap:45px}.cta .container{grid-template-columns:1.5fr 1fr;gap:60px}.cta-actions{justify-self:end}.home-hero{padding-block:55px}.hero-panel{max-width:740px}}
@media(max-width:639px){.utility .container{padding-block:8px}.utility .container>span{display:none}.contact-details{width:100%;justify-content:space-between;gap:8px;font-size:9px}.brand img{width:135px;height:45px}.header-inner{padding-block:14px}.home-hero{padding-block:22px}.hero-panel{padding:24px 21px}.hero-panel .lead{font-size:16px}.hero-panel p{font-size:14px}.hero-panel .eyebrow{font-size:10px}.actions .button{width:100%}.quick-links a{font-size:12px;padding:14px 10px;border-bottom:1px solid var(--line)}.training-card{display:grid;grid-template-columns:60px 1fr;column-gap:18px;padding:22px}.training-card img{width:60px;height:60px;grid-row:1/4;margin:0}.training-card h3{font-size:20px}.training-card p,.training-card .text-link{grid-column:2}.training-card .text-link{justify-self:start}.reference img{aspect-ratio:16/9}.person{padding:22px}.person-header{gap:15px}.person-header img{width:65px;height:65px}.person h3{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Current section: colour and underline persist on desktop and mobile. */
.nav>a[aria-current]:not([aria-current="false"]):not(.button){color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
.nav>.button[aria-current]:not([aria-current="false"]){background:var(--accent);border-color:var(--accent);text-decoration:underline;text-underline-offset:4px}

.site-footer .brand{padding:10px 14px}
.structure-hero h1,.structure-hero .business-intro h1{color:#fff}.structure-hero .business-intro .eyebrow{color:#ffb187}.structure-hero .business-photo figcaption{color:#dce2de}.structure-hero .actions .text-link{color:#ffb187}