:root{--sky-050:#f3f8fc;--sky-100:#e9f2fa;--sky-200:#d7e8f5;--azure-400:#62b5ea;--azure-500:#3f9fe0;--cobalt-600:#1872c7;--cobalt-700:#105ca6;--cobalt-800:#0d4d8c;--cobalt-900:#0a3b6e;--ink-900:#0b2545;--slate-700:#2e4760;--slate-600:#40596f;--slate-500:#5e7388;--on-deep-100:#f2f7fb;--on-deep-200:#d3e4f2;--line-100:#e4edf4;--paper:#fff;--warm-white:#fbfcfe;--brand-red:#c82f3a;--brand-red-dark:#a5222c;--success:#167a4d;--error:#c0392b;--focus:#0b6fc4;--container:1280px;--wide:100%;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-xl:30px;--shadow-1:0 1px 2px #0b25450d, 0 10px 26px #0b25450f;--shadow-2:0 2px 6px #0b25450f, 0 22px 48px #0b25451a;--shadow-focus:0 0 0 4px #3f9fe047;--shadow:var(--shadow-2);color:var(--ink-900);background:var(--paper);font-synthesis:none;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);min-width:320px;color:var(--ink-900);margin:0;line-height:1.65}img{max-width:100%;display:block}a{color:inherit}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;box-shadow:var(--shadow-focus)}.skip-link{z-index:1000;background:var(--paper);color:var(--ink-900);border-radius:var(--radius-sm);box-shadow:var(--shadow-1);padding:.75rem 1rem;position:fixed;top:10px;left:10px;transform:translateY(-180%)}.skip-link:focus{transform:none}.container{width:min(80vw, var(--container));margin-inline:auto}.wide{width:var(--wide);margin-inline:auto}.section{padding:clamp(4.5rem,8vw,8rem) 0}.section-compact{padding:clamp(2.5rem,5vw,4rem) 0}.section-dark{background:var(--sky-050);color:var(--ink-900)}.section-dark .container{border-radius:var(--radius-xl);background:linear-gradient(135deg, var(--sky-100), var(--warm-white));box-shadow:var(--shadow-1);padding:clamp(2rem,5vw,4rem)}.section-soft{background:var(--sky-050)}.module-band{border-block:1px solid var(--line-100);background:linear-gradient(180deg, var(--sky-050), var(--warm-white))}.eyebrow{border-radius:var(--radius-sm);background:var(--sky-100);width:fit-content;color:var(--cobalt-700);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:.55rem;margin:0 0 1rem;padding:.38rem .72rem;font-size:.72rem;font-weight:800;display:inline-flex}.section-dark .eyebrow{color:var(--cobalt-700)}h1,h2,h3{letter-spacing:-.035em;margin:0;line-height:1.08}h1{max-width:14ch;font-size:clamp(2.65rem,4.6vw,5.1rem)}h2{max-width:18ch;font-size:clamp(2rem,3.7vw,3.5rem)}h3{font-size:clamp(1.2rem,2vw,1.65rem)}p{margin:0}.lead{color:var(--slate-600);max-width:62ch;font-size:clamp(1.05rem,1.8vw,1.25rem)}.section-dark .lead{color:var(--slate-600)}.heading-row{grid-template-columns:1.1fr .9fr;align-items:end;gap:3rem;margin-bottom:3rem;display:grid}.section-heading{max-width:760px;margin-bottom:2.8rem}.section-heading h2{max-width:20ch}.section-description{max-width:66ch;margin-top:1.15rem}.button{border-radius:var(--radius-md);background:var(--cobalt-600);min-height:48px;color:var(--paper);letter-spacing:.01em;border:1px solid #0000;justify-content:center;align-items:center;padding:.8rem 1.3rem;font-size:.88rem;font-weight:800;text-decoration:none;transition:transform .18s,background .18s,box-shadow .18s;display:inline-flex;box-shadow:0 8px 18px #1872c72e}.button:hover{background:var(--cobalt-700);transform:translateY(-2px);box-shadow:0 12px 24px #1872c73d}.button-secondary{background:var(--paper);border-color:var(--cobalt-600);color:var(--cobalt-700);box-shadow:none}.button-secondary:hover{background:var(--sky-050)}.button-red{background:var(--cobalt-600)}.button-red:hover{background:var(--cobalt-700)}.button[aria-disabled=true],button:disabled{opacity:.55;cursor:not-allowed;transform:none}.actions{flex-wrap:wrap;gap:.75rem;display:flex}.text-link{color:var(--cobalt-700);text-underline-offset:4px;align-items:center;gap:.45rem;font-weight:800;text-decoration-thickness:1px;display:inline-flex}.hero{background:linear-gradient(135deg, var(--sky-050) 0%, var(--paper) 54%, var(--sky-100) 100%);color:var(--ink-900);position:relative;overflow:hidden}.hero:before{content:"";background-image:linear-gradient(#1872c70f 1px,#0000 1px),linear-gradient(90deg,#1872c70f 1px,#0000 1px);background-size:72px 72px;position:absolute;inset:0;mask-image:linear-gradient(90deg,#000,#0000 75%)}.hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:stretch;min-height:min(760px,100svh - 78px);display:grid;position:relative}.hero-copy{flex-direction:column;justify-content:center;padding:clamp(4rem,8vw,8rem) clamp(2rem,6vw,7rem);display:flex}.hero-copy .actions{margin-top:.25rem}.hero .lead{max-width:54ch;margin:1.5rem 0 2rem}.hero-media{background:radial-gradient(circle at 62% 44%, var(--azure-400) 0%, var(--sky-100) 42%, var(--sky-050) 100%);align-self:stretch;place-items:center;min-height:min(760px,100svh - 78px);display:grid;position:relative;overflow:hidden}.hero--inner{padding:clamp(2.5rem,5vw,5rem) 0}.hero--inner .hero-grid{border:1px solid var(--line-100);border-radius:var(--radius-xl);background:var(--paper);min-height:560px;box-shadow:var(--shadow-2);grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);overflow:hidden}.hero--inner .hero-copy{padding:clamp(3rem,5vw,5.5rem)}.hero--inner .hero-media{min-height:560px}.hero--home .hero-grid,.hero--home .hero-media{min-height:min(760px,100svh - 78px)}.hero-media img{object-fit:contain;object-position:center;filter:drop-shadow(0 24px 32px #0b254538);width:100%;height:100%;padding:clamp(1.5rem,4vw,4rem)}.hero-media:after{content:"STRUCTURAL ENGINEERING";color:#0d4d8cb8;letter-spacing:.14em;writing-mode:vertical-rl;font-size:.67rem;font-weight:800;position:absolute;bottom:1.5rem;right:1.5rem}.page-hero{background:linear-gradient(135deg, var(--sky-050), var(--paper));color:var(--ink-900);padding:7rem 0 4.5rem}.page-hero .lead{margin-top:1.4rem}.evidence{background:var(--paper);padding:1.25rem 0}.evidence-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.fact{border-radius:var(--radius-lg);background:var(--sky-050);min-height:118px;box-shadow:var(--shadow-1);border:0;flex-direction:column;justify-content:center;padding:1.5rem clamp(1.25rem,3vw,2.5rem);display:flex}.fact:first-child{border-left:0}.fact strong{color:var(--ink-900);letter-spacing:-.05em;font-variant-numeric:tabular-nums;font-size:clamp(2rem,4vw,3.5rem);line-height:1;display:block}.fact span{color:var(--slate-600);margin-top:.6rem;font-size:.86rem;display:block}.split{width:min(80vw, var(--container));grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);align-items:stretch;gap:clamp(1.5rem,4vw,3rem);margin-inline:auto;display:grid}.split-copy{flex-direction:column;justify-content:center;padding:clamp(2rem,5vw,5rem) clamp(1rem,3vw,3rem);display:flex}.split-copy .lead{margin:1.3rem 0 2rem}.split-media{border-radius:var(--radius-lg);background:var(--paper);min-height:420px;box-shadow:var(--shadow-1);padding:.7rem;overflow:hidden}.split-media img{border-radius:calc(var(--radius-lg) - 6px);object-fit:cover;width:100%;height:100%}.split-media.contain img{object-fit:contain;padding:2rem}.product-grid,.capability-grid,.insight-grid{background:0 0;border:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2.4vw,1.75rem);display:grid}.product-card,.capability-card,.insight-card{border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow-1);text-decoration:none;transition:transform .22s,box-shadow .22s;overflow:hidden}.product-card:hover,.capability-card:hover,.insight-card:hover{box-shadow:var(--shadow-2);transform:translateY(-5px)}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-grid .product-card{grid-template-rows:auto 1fr;display:grid}.product-grid .product-card img{aspect-ratio:16/10;object-fit:contain;background:var(--sky-050);width:100%;height:auto;padding:clamp(.75rem,1.5vw,1.2rem)}.product-grid .card-body{flex-direction:column;display:flex}.product-grid .card-meta{margin-top:auto;padding-top:1rem}.card-body{padding:clamp(1.4rem,3vw,2.2rem)}.card-body p{color:var(--slate-600);margin-top:.65rem}.card-index{color:var(--cobalt-700);letter-spacing:.1em;margin-bottom:1.25rem;font-size:.72rem;font-weight:800;display:block}.card-meta{color:var(--brand-red);text-transform:uppercase;letter-spacing:.08em;margin-top:1rem;font-size:.72rem;font-weight:800;display:inline-block}.media-grid{grid-template-columns:repeat(12,1fr);gap:clamp(1rem,2.4vw,1.75rem);display:grid}.media-grid figure{border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow-1);flex-direction:column;margin:0;display:flex;overflow:hidden}.media-grid figure:first-child{grid-column:span 7}.media-grid figure:nth-child(2){grid-column:span 5}.media-grid figure:nth-child(3),.media-grid figure:nth-child(4),.media-grid figure:nth-child(5),.media-grid figure:nth-child(6){grid-column:span 6}.media-grid img{aspect-ratio:4/3;object-fit:cover;width:100%;min-height:340px}.media-grid figcaption{color:var(--slate-600);background:var(--paper);padding:.9rem 1rem;font-size:.82rem}.process{counter-reset:step;border-radius:var(--radius-xl);background:linear-gradient(135deg, var(--sky-100), var(--warm-white));box-shadow:var(--shadow-1);grid-template-columns:repeat(5,1fr);gap:1rem;padding:clamp(1.5rem,3vw,2.25rem);display:grid}.process-step{counter-increment:step;border-radius:var(--radius-md);background:#ffffffb8;border:0;padding:1.25rem;position:relative}.process-step:before{content:"0" counter(step);background:var(--cobalt-600);width:2.3rem;height:2.3rem;color:var(--paper);letter-spacing:.06em;border-radius:999px;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:.72rem;font-weight:800;display:inline-flex}.process-step p{color:var(--slate-600);margin-top:.65rem;font-size:.92rem}.spec-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:0;display:grid}.spec-list div{border-radius:var(--radius-lg);background:var(--sky-050);box-shadow:var(--shadow-1);border:0;gap:.45rem;padding:1.35rem 1.5rem;display:grid}.spec-list dt{color:var(--ink-900);font-weight:800}.spec-list dd{color:var(--slate-600);margin:0}.notice{border-radius:var(--radius-lg);background:var(--sky-100);color:var(--slate-700);border:0;padding:1.15rem 1.35rem;font-size:.88rem}.cta-band{background:linear-gradient(135deg, var(--cobalt-800), var(--cobalt-900));color:var(--on-deep-100)}.cta-band h2{color:var(--on-deep-100)}.cta-grid{grid-template-columns:1fr auto;align-items:center;gap:2rem;display:grid}.cta-grid p{color:var(--on-deep-200);margin-top:.8rem}.cta-band .button-red{background:var(--paper);color:var(--cobalt-800);box-shadow:none}.cta-band .button-red:hover{background:var(--sky-050)}.form-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.field{gap:.45rem;display:grid}.field.full{grid-column:1/-1}label{text-transform:uppercase;letter-spacing:.06em;font-size:.78rem;font-weight:800}input,select,textarea{border:1px solid var(--sky-200);border-radius:var(--radius-md);background:var(--paper);width:100%;color:var(--ink-900);padding:.9rem 1rem}input:focus,select:focus,textarea:focus{border-color:var(--cobalt-600);box-shadow:var(--shadow-focus);outline:none}textarea{resize:vertical;min-height:160px}.form-status{min-height:1.5rem;margin-top:1rem;font-size:.92rem}.form-status[data-state=success]{color:var(--success)}.form-status[data-state=error]{color:var(--error)}.consent{align-items:flex-start;gap:.7rem;display:flex}.consent input{width:auto;margin-top:.3rem}.article{width:min(100% - 2rem,760px);margin-inline:auto}.article h2{margin-top:3rem}.article p,.article ul{color:var(--slate-600);margin-top:1.2rem}.article li+li{margin-top:.55rem}.site-header{z-index:100;backdrop-filter:blur(16px);background:#ffffffeb;border-bottom:0;position:sticky;top:0;box-shadow:0 4px 20px #0b25450f}.nav-shell{align-items:center;gap:2rem;min-height:78px;display:flex}.brand{align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.brand img{object-fit:contain;width:82px;height:54px}.brand-copy{line-height:1.1;display:grid}.brand-copy strong{letter-spacing:.08em;font-size:.9rem}.brand-copy span{color:var(--slate-500);text-transform:uppercase;margin-top:.25rem;font-size:.62rem}.desktop-nav{align-items:center;gap:.45rem;margin-left:auto;display:flex}.desktop-nav>a,.desktop-nav summary{border-radius:var(--radius-sm);min-height:46px;color:var(--ink-900);cursor:pointer;align-items:center;padding:.65rem .9rem;font-size:.92rem;font-weight:780;text-decoration:none;list-style:none;display:inline-flex}.desktop-nav>a:hover,.desktop-nav summary:hover{background:var(--sky-050);color:var(--cobalt-700)}.desktop-nav summary::-webkit-details-marker{display:none}.nav-group{position:relative}.nav-group summary:after{content:"+";color:var(--cobalt-600);margin-left:.35rem}.nav-group[open] summary:after{content:"−"}.dropdown{border-radius:var(--radius-md);background:var(--paper);min-width:280px;box-shadow:var(--shadow-2);border:0;padding:.55rem;position:absolute;top:calc(100% + .55rem);left:-1rem}.dropdown a{border-radius:var(--radius-sm);padding:.8rem;text-decoration:none;display:block}.dropdown a:hover{background:var(--sky-050)}.dropdown small{color:var(--slate-500);display:block}.mobile-nav{margin-left:auto;display:none}.mobile-nav>summary{border-radius:var(--radius-sm);background:var(--sky-050);cursor:pointer;border:0;place-items:center;min-width:48px;min-height:48px;list-style:none;display:grid}.mobile-panel{border-radius:0 0 var(--radius-lg) var(--radius-lg);background:var(--paper);max-height:calc(100vh - 78px);box-shadow:var(--shadow-2);border:0;padding:1rem;position:absolute;top:100%;left:0;right:0;overflow:auto}.mobile-panel a,.mobile-panel summary{border-radius:var(--radius-sm);padding:.8rem;font-weight:700;text-decoration:none;list-style:none;display:block}.mobile-panel a:hover,.mobile-panel summary:hover{background:var(--sky-050)}.mobile-panel details a{color:var(--slate-700);padding-left:1.8rem}.site-footer{background:var(--warm-white);color:var(--ink-900)}.footer-grid{grid-template-columns:1.3fr repeat(3,.7fr);gap:3rem;padding:4.5rem 0;display:grid}.footer-grid h3{text-transform:uppercase;letter-spacing:.09em;font-size:.85rem}.footer-grid ul{margin:1.2rem 0 0;padding:0;list-style:none}.footer-grid li+li{margin-top:.6rem}.footer-grid a{color:var(--slate-600);text-decoration:none}.footer-grid a:hover{color:var(--cobalt-700)}.footer-grid p{color:var(--slate-600);max-width:42ch;margin-top:1rem}.footer-bottom{border-top:1px solid var(--line-100);color:var(--slate-500);justify-content:space-between;gap:2rem;padding:1.25rem 0;font-size:.78rem;display:flex}.channel-unset{color:var(--slate-500)}.reveal{opacity:0;transition:opacity .5s,transform .5s;transform:translateY(18px)}.reveal.is-visible{opacity:1;transform:none}@media (width<=900px){.desktop-nav,.header-cta{display:none}.mobile-nav{display:block}.hero-grid,.split,.heading-row,.cta-grid{grid-template-columns:1fr}.hero-copy{padding:5.5rem 2rem 4rem}.hero-media{min-height:440px}.hero--inner .hero-grid{grid-template-columns:1fr;min-height:auto}.hero--inner .hero-copy{padding:3.5rem 2rem 2.75rem}.hero--inner .hero-media{height:clamp(320px,62vw,480px);min-height:0}.hero--inner .hero-media img{padding:clamp(1rem,3vw,2rem)}.evidence-grid{grid-template-columns:1fr 1fr}.fact:last-child{grid-column:1/-1}.product-grid{grid-template-columns:1fr}.capability-grid,.insight-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr}.process-step{border:0}.footer-grid{grid-template-columns:1fr 1fr}}@media (width<=620px){.container{width:min(calc(100% - 2rem), var(--container))}.wide{width:100%}.split{width:min(calc(100% - 2rem), var(--container))}.brand-copy{display:none}.hero-grid{min-height:auto}.hero-copy{padding:4.5rem 1rem 3.5rem}.hero-media{min-height:310px}.hero--inner{padding:1.5rem 0 2.5rem}.hero--inner .hero-grid{border-radius:var(--radius-lg)}.hero--inner .hero-copy{padding:2.75rem 1.25rem 2rem}.hero--inner .hero-media{height:280px;min-height:0}.hero--inner .hero-media:after{bottom:.75rem;right:.75rem}.evidence-grid,.product-grid,.capability-grid,.insight-grid,.form-grid,.footer-grid{grid-template-columns:1fr}.fact,.fact:first-child,.fact:last-child,.product-grid .product-card:first-child,.product-grid .product-card:nth-child(2),.product-grid .product-card:nth-child(3){grid-column:auto}.product-grid .product-card:nth-child(2) img,.product-grid .product-card:nth-child(3) img{aspect-ratio:16/9}.spec-list{grid-template-columns:1fr}.split-copy{padding:3.5rem 1rem}.split-media{min-height:360px}.media-grid{display:block}.media-grid figure+figure{margin-top:1rem}.media-grid img{min-height:260px}.spec-list div{grid-template-columns:1fr;gap:.35rem}.field.full{grid-column:auto}.cta-grid .button{width:100%}.footer-bottom{flex-direction:column}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.reveal{opacity:1;transform:none}}