/* Approach follows the shared inner-page axes: 4% / equal columns / 24px. */
.approach-hero{padding:112px 4% 38px;background:#d7e1ec;}
.approach-heading,.approach-zone-copy,.approach-thesis,.approach-system-notes,.approach-economy-detail{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.approach-heading{align-items:end;margin-top:36px;}
.approach-heading h1{font-size:clamp(54px,7.3vw,112px);line-height:.98;letter-spacing:-.06em;font-weight:400;margin-top:22px;}
.approach-lead{max-width:560px;padding-bottom:5px;}
.approach-lead p{font-size:clamp(16px,1.45vw,21px);line-height:1.55;color:#536a80;}
.approach-lead .plain-link{display:inline-block;margin-top:24px;}
.approach-world{position:relative;width:100%;height:clamp(340px,52svh,680px);margin:26px 0 12px;overflow:hidden;}
.approach-world canvas{width:100%;height:100%;display:block;position:absolute;inset:0;opacity:0;}
.approach-world[data-scene-ready=true] canvas{opacity:1;}
.approach-fallback{visibility:hidden;position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#536a80;gap:12px;}
.approach-fallback :is(svg,img){max-height:80%;max-width:85%;}
.approach-world[data-webgl=fallback] .approach-fallback{visibility:visible;}
.approach-loading{position:absolute;inset:0;display:grid;place-items:center;font-size:12px;color:#536a80;}
.approach-loading::after{content:"";position:absolute;top:calc(50% + 20px);width:48px;height:2px;background:#0030cf;animation:approach-progress 1.4s ease-in-out infinite;}
@keyframes approach-progress{0%,100%{transform:scaleX(.3);opacity:.35;}50%{transform:scaleX(1);opacity:1;}}
@media(prefers-reduced-motion:reduce){.approach-loading::after{animation:none;}}
.approach-loading[hidden]{display:none;}
.approach-zone-bar,.approach-economy-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;}
.approach-zone-bar button,.approach-economy-tabs button{min-height:56px;padding:12px 10px;font:inherit;font-size:15px;color:#152641;border:1px solid #a8bcd0;background:transparent;cursor:pointer;}
.approach-zone-bar button:hover,.approach-economy-tabs button:hover{background:#edf3f8;}
.approach-zone-bar button[aria-pressed=true],.approach-economy-tabs button[aria-pressed=true]{background:#0030cf;border-color:#0030cf;color:white;}
.approach-zone-bar button:focus-visible,.approach-economy-tabs button:focus-visible{outline:2px solid #0030cf;outline-offset:3px;}
.approach-zone-copy{margin-top:32px;min-height:118px;}
.approach-zone-copy h2{font-size:clamp(26px,2.8vw,40px);max-width:540px;}
.approach-zone-copy p{color:#536a80;line-height:1.65;max-width:560px;}
.approach-zone-copy .plain-link{display:inline-block;margin-top:14px;}
.approach-model-note{font-size:11px;color:#536a80;margin-top:28px;}
.approach-index{gap:24px;flex-wrap:wrap;}
.approach-hero~.section{padding-top:96px;padding-bottom:96px;}
.approach-hero~.section .section-heading{margin-bottom:52px;}
.approach-thesis{padding:32px 0;border-top:1px solid #c3d1df;border-bottom:1px solid #c3d1df;}
.approach-thesis p{max-width:560px;font-size:clamp(18px,1.7vw,24px);line-height:1.55;}
.approach-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:44px;}
.approach-principles h3,.approach-system-notes h3{font-size:23px;line-height:1.2;letter-spacing:-.025em;margin-bottom:20px;}
.approach-principles p,.approach-system-notes p{font-size:15px;line-height:1.75;color:#536a80;max-width:560px;}
.approach-system{background:#f5f8fa;}
.approach-system .product-viewer{max-width:none;margin:0;}
.approach-system .viewer-canvas-wrap{height:480px;}
.approach-system-notes{margin-top:48px;}
.approach-system-notes .plain-link{display:inline-block;margin-top:22px;}
.approach-economy-tabs{grid-template-columns:repeat(4,minmax(0,1fr));}
.approach-economy-detail{padding:44px 0 36px;min-height:320px;border-bottom:1px solid #c3d1df;}
.approach-economy-detail span{font-size:12px;color:#536a80;}
.approach-economy-detail h3{font-size:clamp(26px,2.7vw,38px);font-weight:400;line-height:1.15;letter-spacing:-.04em;max-width:540px;margin:20px 0;}
.approach-economy-detail p{font-size:16px;line-height:1.7;max-width:560px;color:#536a80;}
.approach-economy-limit{max-width:760px;font-size:14px;line-height:1.7;margin-top:24px;color:#536a80;}
.approach-budget{margin:48px 0 32px;}
.approach-budget h3{font-size:24px;margin-bottom:28px;}
.approach-budget ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.approach-budget li{border-top:1px solid #c3d1df;padding-top:18px;font-size:16px;line-height:1.5;}
.site-page .button.approach-engineer{background:#c3f84a;color:#152641;border:1px solid #c3f84a;justify-content:center;}
.site-page .button.approach-engineer:hover{background:#b3e63d;border-color:#b3e63d;}
.approach-delivery{background:#edf3f8;}
.approach-process{list-style:none;padding:0;margin:0 0 36px;}
.approach-process li{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;padding:30px 0;border-top:1px solid #bdcfdf;}
.approach-process li>span{font-size:12px;color:#0030cf;}
.approach-process h3{font-size:24px;line-height:1.2;letter-spacing:-.025em;}
.approach-process p{font-size:15px;line-height:1.7;color:#536a80;}
.approach-process strong{font-size:15px;font-weight:500;line-height:1.7;}
@media(min-width:761px) and (max-width:1200px){
 .approach-process li{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px;}
 .approach-process li>span{grid-column:1;grid-row:1;margin-top:5px;}
 .approach-process h3{grid-column:1;grid-row:1;padding-left:44px;}
 .approach-process p{grid-column:2;grid-row:1;}
 .approach-process strong{grid-column:2;grid-row:2;}
}
.approach-evidence .button{margin-top:40px;}
.approach-faq h2{margin-bottom:40px;}
.approach-final{background:#edf3f8;}
@media(max-width:760px){
 .approach-hero{padding-top:95px;}
 .approach-heading,.approach-zone-copy,.approach-thesis,.approach-system-notes,.approach-economy-detail{grid-template-columns:minmax(0,1fr);gap:26px;}
 .approach-heading{margin-top:28px;}.approach-heading h1{font-size:clamp(50px,10.8vw,76px);margin-top:18px;}
 .approach-lead p{font-size:16px;}.approach-lead .plain-link{margin-top:18px;font-size:13px;}
 .approach-world{height:clamp(270px,44svh,420px);margin:16px 0;}
 .approach-zone-bar{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;}.approach-zone-bar button:first-child{grid-column:1/-1;}
 .approach-zone-bar button,.approach-economy-tabs button{font-size:13px;min-height:48px;padding:10px 5px;}
 .approach-zone-copy{min-height:0;gap:18px;}.approach-zone-copy h2{font-size:28px;}.approach-zone-copy p{font-size:14px;}
 .approach-hero~.section{padding-top:64px;padding-bottom:64px;}.approach-hero~.section .section-heading{margin-bottom:32px;}
 .approach-principles{grid-template-columns:minmax(0,1fr);gap:32px;margin-top:32px;}
 .approach-thesis p{font-size:20px;}.approach-principles h3,.approach-system-notes h3{font-size:22px;margin-bottom:12px;}
 .approach-system .viewer-canvas-wrap{height:320px;}
 .approach-economy-tabs{grid-template-columns:repeat(2,minmax(0,1fr));}
 .approach-economy-detail{padding:28px 0;min-height:0;gap:32px;}.approach-economy-detail h3{font-size:28px;margin:14px 0;}.approach-economy-detail p{font-size:15px;}
 .approach-budget ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px;}.approach-budget li{font-size:14px;}
 .approach-process li{grid-template-columns:32px minmax(0,1fr);gap:14px 16px;}.approach-process h3{font-size:22px;}.approach-process p,.approach-process strong{grid-column:2;}
 .approach-index{gap:16px;font-size:12px;}
}
@media(max-width:600px){.approach-heading,.approach-zone-copy,.approach-thesis,.approach-system-notes,.approach-economy-detail{column-gap:16px;}.approach-hero~.section .button{width:100%;font-size:13px;}}
/* Keep the site plane and editorial background the same exact colour. */
.site-page:not(.home-page) .approach-hero .breadcrumbs{margin-bottom:28px;}
.approach-heading{margin-top:0;}
.approach-heading h1{font-size:clamp(54px,5.8vw,88px);}
@media(min-width:761px){.approach-world{height:clamp(300px,calc(100svh - 410px),620px);margin-top:20px;}}
@media(max-width:760px){
 .approach-hero{display:flex;flex-direction:column;}
 .approach-heading{display:contents;}.approach-heading>div:first-child{order:1;}
 .approach-heading h1{font-size:clamp(46px,10.8vw,76px);}
 .approach-world{order:2;}.approach-zone-bar{order:3;}
 .approach-lead{order:4;margin-top:28px;}.approach-zone-copy{order:5;}.approach-model-note{order:6;}
}
.approach-system .viewer-topline{padding:18px 24px;}
.approach-system .viewer-explanation{padding:24px 24px 8px;min-height:0;}
.approach-system .viewer-explanation p{font-size:14px;line-height:1.7;}
.approach-system .viewer-disclaimer{padding:0 24px 24px;}
@media(max-width:760px){
 .approach-hero{padding-top:calc(var(--site-header-height,128px) + 24px);}
 .site-page:not(.home-page) .approach-hero .breadcrumbs{display:none;}
 .approach-system .viewer-topline{padding:16px;}
 .approach-system .viewer-explanation{padding:20px 16px 8px;}
 .approach-system .viewer-disclaimer{padding:0 16px 20px;}
}