.engineering-hero{background:#111827}.engineering-hero h1,.engineering-hero p{color:#fff}.document-list{list-style:none;padding:0}.document-list li{display:flex;gap:24px;justify-content:space-between;border-bottom:1px solid #d7e0e8;padding:20px 0}.engineering-timeline{border-left:2px solid #0ea5e9;padding-left:32px}.engineering-timeline article{padding:12px 0 24px}@media (max-width:575px){.document-list li{display:grid}}