:root{--ink:#183a2a;--muted:#53645b;--line:#d5ddd6;--paper:#fff;--panel:#f0f4ee;--accent:#d0ed8b}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.road-diagram .diagram-mesh{min-height:8px;height:8px;padding:0}.diagram-mesh .mesh-line{width:100%;margin:0;height:8px}.road-diagram figcaption strong{font-size:14px;color:var(--ink)}

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.construction-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:38px 32px}.construction-grid figure{min-width:0}.construction-grid img{width:100%;height:auto}.construction-grid figcaption{padding-top:20px}.construction-grid figcaption p{margin-top:12px}.construction-grid .text-link{margin-top:15px}@media(max-width:700px){.construction-grid{grid-template-columns:1fr;gap:32px}.construction-grid h3{font-size:25px}}

/* Contact action is immediate; section navigation occupies the left margin. */
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@media(max-width:560px){.header-contact .button{font-size:12px}.content-frame .container{width:calc(100% - 40px)}.section-menu>summary{padding-inline:20px}.section-menu .page-nav{margin-inline:20px}.section-menu{top:137px}html{scroll-padding-top:190px}}

@media(max-width:1100px){.section-menu{top:var(--header-height,96px)}html{scroll-padding-top:calc(var(--header-height,96px) + 54px)}}

/* Plain section links; the current section is orange while scrolling. */
.section-menu{border:0}.section-menu .page-nav{border:0;background:transparent}.section-menu .page-nav a{border:0;padding:12px 0;background:transparent;color:var(--ink);transition:color .18s ease}.section-menu .page-nav a:hover{background:transparent;color:#bd4f1a}.section-menu .page-nav a[aria-current="location"]{background:transparent;color:#bd4f1a;font-weight:700}@media(prefers-reduced-motion:reduce){.section-menu .page-nav a{transition:none}}
