:root{
  --ink:#243940;
  --ink-2:#18282d;
  --text:#1c2c31;
  --muted:#5d6f73;
  --green:#5fbb33;
  --line:#d9e0dc;
  --line-dark:rgba(255,255,255,.18);
  --white:#fff;
  --max:1360px;
  --gutter:max(24px,calc((100vw - var(--max))/2));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
main section[id]{scroll-margin-top:90px}

.skip-link{position:fixed;left:12px;top:-90px;z-index:9999;background:var(--green);color:#102026;padding:12px 16px;border-radius:3px}
.skip-link:focus{top:12px}

/* Header */
.site-header{position:fixed;z-index:1000;top:0;left:0;right:0;height:78px;padding:0 var(--gutter);display:grid;grid-template-columns:220px minmax(0,1fr) 190px;align-items:center;gap:24px;color:#fff;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12)}
.site-header.compact{box-shadow:0 8px 24px rgba(13,27,31,.10)}
.brand{display:inline-flex;align-items:center;gap:11px;justify-self:start;height:52px;min-width:0}
.brand-mark{width:39px;height:39px;object-fit:contain;filter:brightness(0) invert(1)}
.brand span{font-size:14px;font-weight:600;letter-spacing:.22em;white-space:nowrap}
.nav{justify-self:center;display:flex;align-items:center;gap:28px;font-size:14px;font-weight:400;white-space:nowrap}
.nav a{position:relative;padding:27px 0 26px}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--green);transition:right .22s ease}
.nav a:hover::after,.nav a.active::after{right:0}
.header-cta{justify-self:end;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.85);padding:7px 0}
.header-cta span,.text-link span,.btn span{display:inline-block;transition:transform .2s ease}
.header-cta:hover span,.text-link:hover span,.btn:hover span{transform:translate(3px,-1px)}
.menu-toggle{display:none;min-width:48px;min-height:44px;background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;border-radius:4px;cursor:pointer}

/* Shared type and spacing */
.section,.dark-section{position:relative;padding:96px var(--gutter)}
.dark-section{background:var(--ink);color:#fff}
.section-soft{background:#fff}
.eyebrow,.kicker{margin:0 0 18px;font-size:12px;line-height:1.35;font-weight:600;letter-spacing:.08em;color:var(--green)}
.eyebrow.dark,.kicker.dark{color:#456067}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:500;letter-spacing:-.035em}
h1{font-size:clamp(58px,7.3vw,112px);line-height:.9;margin-bottom:28px;max-width:930px}
h1 span{color:#d9e0dc}
h2{font-size:clamp(40px,4.8vw,70px);line-height:1.01;margin-bottom:22px}
h3{font-size:clamp(26px,2.7vw,40px);line-height:1.07}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:48px;padding:13px 18px;border:1px solid transparent;border-radius:5px;font-weight:500}
.btn-green{background:var(--green);color:#102026}
.btn-green:hover{background:#74c94b}
.text-link{display:inline-flex;align-items:center;gap:7px;border-bottom:1px solid currentColor;padding-bottom:3px}
.text-link.light{color:#fff}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}

/* Hero */
.hero{min-height:100svh;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(480px,.92fr);align-items:center;gap:52px;overflow:hidden;padding-top:138px;padding-bottom:72px}
.hero-grid,.hero-crosshair{display:none}
.hero-copy{position:relative;z-index:2}
.hero-lead{font-size:19px;line-height:1.7;color:#d5dddb;max-width:720px}
.hero-actions{display:flex;gap:24px;align-items:center;margin-top:34px}
.hero-visual{height:650px;position:relative}
.hero-img{position:absolute;margin:0;background:#fff;border:1px solid rgba(255,255,255,.18);overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.16)}
.hero-img img{width:100%;height:100%;object-fit:contain;background:#fff}
.hero-img figcaption{position:absolute;left:0;bottom:0;background:rgba(14,24,27,.92);color:#fff;padding:8px 11px;font-size:10px;font-weight:500;letter-spacing:.06em}
.hero-img-a{width:54%;height:34%;top:12%;left:0;z-index:2}
.hero-img-b{width:47%;height:59%;right:0;top:3%;z-index:1}
.hero-img-c{width:65%;height:36%;left:14%;bottom:3%;z-index:3}

/* Industries */
.industries-head{max-width:980px}
.industries-head h2{margin-bottom:0}
.industry-board{margin:48px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;background:#fff}
.industry-board img{width:100%;height:auto;object-fit:contain;background:#fff}

/* Capabilities: open editorial rows, not equal cards */
.capabilities{padding-top:100px;padding-bottom:100px}
.capabilities-head{max-width:1000px;margin-bottom:56px}
.capabilities-head h2{max-width:1000px}
.capability-rows{border-top:1px solid var(--line-dark)}
.capability-row{display:grid;grid-template-columns:4fr 3fr 5fr;gap:42px;align-items:start;padding:42px 0;border-bottom:1px solid var(--line-dark)}
.capability-title h3{font-size:clamp(34px,3.3vw,48px);margin:0 0 18px}
.capability-title p{margin:0;color:#cbd6d3;max-width:440px;font-size:16px}
.capability-row figure{margin:0;height:240px;background:#fff;overflow:hidden}
.capability-row figure img{width:100%;height:100%;object-fit:contain;background:#fff}
.capability-list{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
.capability-list span{padding:11px 0;border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:#eff4f2}

/* Engineering story */
.engineering-head{max-width:900px;margin-bottom:52px}
.engineering-head>p:last-child{max-width:690px;color:var(--muted)}
.workflow{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.workflow-steps{border-top:1px solid var(--line)}
.workflow-step{padding:22px 0 24px;border-bottom:1px solid var(--line);opacity:.52;transition:opacity .25s ease,padding-left .25s ease,border-color .25s ease}
.workflow-step.active{opacity:1;padding-left:16px;border-left:3px solid var(--green)}
.workflow-step h3{font-size:35px;margin:0 0 8px}
.workflow-step p{margin:0;max-width:540px;color:#53666b}
.workflow-media{position:sticky;top:102px;margin:0;background:#fff;border:1px solid var(--line);padding:18px}
.workflow-media img{width:100%;height:540px;object-fit:contain;background:#fff;transition:opacity .2s ease}
.workflow-media figcaption{padding-top:12px;font-size:12px;font-weight:500;color:#506368}

/* Selected work: compact, non-card project register */
.projects{padding-top:96px;padding-bottom:96px;background:#fff}
.projects-head{max-width:930px;margin-bottom:50px}
.projects-head h2{margin-bottom:0}
.work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.work-item{min-width:0;padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.work-item figure{margin:0 0 24px;height:245px;background:#fff;overflow:hidden}
.work-item figure img{width:100%;height:100%;object-fit:contain;background:#fff}
.work-copy .kicker{margin-bottom:10px;color:#527067}
.work-copy h3{font-size:29px;margin:0 0 14px}
.work-copy>p:not(.kicker):not(.work-meta){font-size:15px;color:#4f6267;margin-bottom:14px}
.work-meta{margin:0;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:#66777b}
.work-meta strong{color:var(--text);font-weight:600}

/* Industrial engineering */
.industrial-head{max-width:940px;margin-bottom:48px}
.drawing-sheet{background:#fff}
.drawing-feature{display:grid;grid-template-columns:4fr 8fr;gap:50px;align-items:start;padding:30px 0 46px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.drawing-feature h3{font-size:44px;margin-bottom:16px}
.drawing-feature p:last-child{color:#53666b;max-width:520px}
.drawing-feature img{width:100%;height:330px;object-fit:contain;background:#fff}
.drawing-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#fff}
.drawing-grid figure{margin:0;padding:24px 18px 20px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.drawing-grid figure:nth-child(1){border-left:1px solid var(--line)}
.drawing-grid figure.wide{grid-column:1/-1;border-left:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr);justify-items:center}
.drawing-grid img{width:100%;height:245px;object-fit:contain;background:#fff}
.drawing-grid figure.wide img{height:330px;max-width:760px}
.drawing-grid figcaption{width:100%;margin-top:12px;font-size:12px;font-weight:500;color:#44595f}
.standards-strip{display:flex;flex-wrap:wrap;margin-top:34px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.standards-strip span{padding:10px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px;font-weight:500;color:#4c6267}

/* Engineering archive */
.archive{background:#fff}
.archive-head{max-width:850px}
.archive-head p:last-child{color:#52656a;max-width:690px}
.archive-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:48px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.archive-item{appearance:none;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;text-align:left;padding:0;cursor:zoom-in;min-width:0}
.archive-item img{width:100%;height:205px;object-fit:contain;background:#fff;padding:12px;transition:transform .22s ease}
.archive-item:hover img{transform:scale(1.015)}
.archive-item span{display:block;border-top:1px solid var(--line);padding:11px 13px;font-size:12px;font-weight:500;color:#44595f}
.archive-item b{display:none}
.archive-note{font-size:12px;color:#65777c;margin-top:14px}

/* Team */
.team-head{max-width:860px;margin-bottom:52px}
.team-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.team-member{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.team-member:nth-child(odd){padding-right:32px;border-right:1px solid var(--line)}
.team-member:nth-child(even){padding-left:32px}
.team-photo-wrap{height:245px;background:#fff;overflow:hidden}
.team-photo-wrap img{width:100%;height:100%;object-fit:cover;background:#fff}
.team-copy h3{font-size:29px;margin:2px 0 4px}
.team-role{font-weight:600;margin-bottom:10px}
.team-copy p{font-size:14px;color:#55686d}
.team-copy .kicker{margin-bottom:8px;font-size:11px;color:#577069}
.team-copy .text-link{font-size:13px}

/* Contact */
.contact{padding-top:110px;padding-bottom:90px}
.contact-main{max-width:1050px}
.contact-main h2{font-size:clamp(50px,6.7vw,92px);max-width:1030px}
.contact-main>p:not(.eyebrow){font-size:19px;color:#d0dad7;max-width:650px}
.contact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px;margin-top:78px;padding-top:32px;border-top:1px solid var(--line-dark)}
.contact-grid .kicker{color:var(--green);margin-bottom:14px}
.contact-grid address{font-style:normal;color:#cbd5d2;margin-bottom:14px}
.contact-grid a{display:block;color:#fff;margin:6px 0;overflow-wrap:anywhere}

/* Lightbox */
.lightbox[hidden]{display:none}
.lightbox{position:fixed;z-index:3000;inset:0;background:rgba(8,14,16,.96);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 7vw;color:#fff}
.lightbox img{max-height:78vh;max-width:90vw;background:#fff;object-fit:contain}
.lightbox p{font-size:13px;font-weight:500;margin-top:14px}
.lightbox-close{position:absolute;right:24px;top:22px;min-width:48px;min-height:44px;background:none;border:1px solid #75878b;color:#fff;padding:9px 13px;border-radius:4px;cursor:pointer}

/* Tablet */
@media(max-width:1120px){
  .site-header{grid-template-columns:185px minmax(0,1fr) 165px;gap:16px}
  .nav{gap:16px;font-size:13px}
  .header-cta{font-size:13px}
  .hero{grid-template-columns:1fr;gap:26px;padding-top:132px;min-height:auto}
  .hero-copy{max-width:900px}
  .hero-visual{height:540px;margin-top:8px}
  .capability-row{grid-template-columns:4fr 3fr;gap:32px}
  .capability-list{grid-column:1/-1;grid-template-columns:repeat(3,1fr)}
  .workflow{grid-template-columns:1fr 1.15fr;gap:42px}
  .workflow-media img{height:460px}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .drawing-feature{grid-template-columns:1fr 1.35fr}
  .drawing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .drawing-grid figure:nth-child(odd){border-left:1px solid var(--line)}
  .drawing-grid figure.wide{grid-column:1/-1}
  .archive-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .team-list{grid-template-columns:1fr}
  .team-member:nth-child(odd),.team-member:nth-child(even){padding:26px 0;border-right:0}
  .contact-grid{grid-template-columns:1fr 1fr}
}

/* Mobile navigation and layout */
@media(max-width:820px){
  :root{--gutter:22px}
  .site-header{height:70px;grid-template-columns:minmax(0,1fr) auto;padding:0 20px}
  .brand{height:48px;gap:9px}
  .brand-mark{width:34px;height:34px}
  .brand span{font-size:13px}
  .header-cta{display:none}
  .menu-toggle{display:block;justify-self:end}
  .nav{display:none;position:fixed;inset:70px 0 0;background:var(--ink-2);color:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:24px 22px 40px;font-size:26px;overflow-y:auto}
  .nav.open{display:flex}
  .nav a{padding:18px 4px;border-bottom:1px solid rgba(255,255,255,.16)}
  .nav a::after{display:none}
  .section,.dark-section{padding:78px 22px}
  .hero{padding-top:108px;padding-bottom:58px}
  h1{font-size:clamp(50px,13vw,72px)}
  h2{font-size:clamp(38px,10vw,54px)}
  .hero-lead{font-size:17px}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:18px}
  .hero-visual{height:430px}
  .hero-img-a{width:58%;height:33%;left:0}
  .hero-img-b{width:52%;height:52%;right:0}
  .hero-img-c{width:74%;height:35%;left:8%}
  .capabilities-head{margin-bottom:36px}
  .capability-row{grid-template-columns:1fr;padding:34px 0;gap:24px}
  .capability-row figure{height:270px}
  .capability-list{grid-column:auto;grid-template-columns:1fr 1fr}
  .workflow{grid-template-columns:1fr;gap:28px}
  .workflow-media{position:relative;top:auto;order:-1;padding:12px}
  .workflow-media img{height:360px}
  .workflow-step{padding:18px 0}
  .workflow-step.active{padding-left:12px}
  .work-grid{grid-template-columns:1fr 1fr}
  .work-item{padding:20px}
  .work-item figure{height:215px}
  .drawing-feature{grid-template-columns:1fr;gap:22px}
  .drawing-feature img{height:280px}
  .drawing-grid{grid-template-columns:1fr 1fr}
  .drawing-grid img{height:210px}
  .drawing-grid figure.wide img{height:280px}
  .archive-grid{grid-template-columns:1fr 1fr}
  .archive-item img{height:190px}
  .team-member{grid-template-columns:150px 1fr}
  .team-photo-wrap{height:205px}
  .contact{padding-top:86px;padding-bottom:72px}
  .contact-grid{grid-template-columns:1fr 1fr;gap:30px 24px;margin-top:58px}
}

@media(max-width:560px){
  .section,.dark-section{padding:68px 18px}
  .site-header{padding:0 16px}
  .brand span{letter-spacing:.17em}
  .hero{padding-top:100px;padding-bottom:52px}
  .hero-visual{height:350px}
  .hero-img figcaption{display:none}
  .capability-row figure{height:235px}
  .capability-list{grid-template-columns:1fr}
  .workflow-media img{height:285px}
  .work-grid{grid-template-columns:1fr}
  .work-item{padding:18px 0 28px;border-left:0;border-right:0}
  .work-item figure{height:250px}
  .drawing-grid{grid-template-columns:1fr}
  .drawing-grid figure,.drawing-grid figure:nth-child(odd),.drawing-grid figure.wide{border-left:1px solid var(--line);grid-column:auto}
  .drawing-grid figure.wide img{height:240px}
  .standards-strip span{font-size:11px}
  .archive-grid{grid-template-columns:1fr}
  .archive-item img{height:245px}
  .team-member{grid-template-columns:1fr;gap:16px}
  .team-photo-wrap{height:360px}
  .contact-grid{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}