/* Institutional page only; shared header/footer keep the existing visual system. */
.engineering-page{--ec-navy:#08243f;--ec-teal:#007d83;--ec-muted:#50677a;color:var(--ec-navy);background:#fff;line-height:1.7}
.engineering-page *{box-sizing:border-box;min-width:0}
.engineering-page .icon{width:25px;height:25px;flex-shrink:0}
.engineering-page a:focus-visible{outline:3px solid #147dce;outline-offset:5px;border-radius:3px}
.engineering-page :is(section,nav)[id]{scroll-margin-top:110px}
.ec-hero{background:radial-gradient(ellipse at 90% 20%,#18526a 0,transparent 58%),#08243f;color:#fff;border-bottom:4px solid #26c6bd}
.ec-hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.85fr);align-items:center;gap:64px;padding-block:76px}
.ec-eyebrow{margin:0 0 20px;font-size:13px;line-height:1.5;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:#8ce4df}
.ec-hero h1{font-size:clamp(36px,3.8vw,56px);line-height:1.09;letter-spacing:-.045em;font-weight:760;max-width:780px;margin:0 0 26px;color:#fff}
.ec-lead{font-size:17px;line-height:1.8;color:#dbe9f1;margin:0 0 24px;max-width:750px}
.ec-hero-link{display:inline-flex;align-items:center;gap:14px;color:#9aeee7;min-height:48px;font-weight:650;text-underline-offset:5px}
.ec-principles{border:1px solid #638695;border-radius:20px;padding:28px;background:#ffffff08}
.ec-principles-heading{display:block;color:#b5d2df;font-size:12px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:22px;font-weight:700}
.ec-principles>div{display:flex;gap:16px;align-items:center;padding:18px 0;border-top:1px solid #ffffff24}
.ec-principles>div .icon{color:#72dcd3;width:27px;height:27px}
.ec-principles strong,.ec-principles small{display:block}.ec-principles strong{font-size:16px;font-weight:650}.ec-principles small{font-size:13px;color:#c2d9e4;margin-top:2px}
.ec-jump-links{display:flex;flex-wrap:wrap;gap:6px 22px;padding-block:22px;border-bottom:1px solid #dce6ec}
.ec-jump-links a{display:inline-flex;align-items:center;color:#31536a;font-size:13px;min-height:44px;text-decoration:none;border-bottom:1px solid transparent}
.ec-jump-links a:hover{color:#006a70;border-bottom-color:currentColor}
.ec-section{padding-block:60px}
.ec-section-heading{margin-bottom:28px;max-width:820px}
.ec-section-number{display:block;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:750;color:var(--ec-teal);margin-bottom:10px}
.engineering-page h2{font-size:clamp(27px,2.5vw,36px);line-height:1.2;letter-spacing:-.03em;color:var(--ec-navy);margin:0 0 16px}
.ec-section-heading p{font-size:16px;color:var(--ec-muted);margin:0}
.ec-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ec-card{border:1px solid #dce6eb;border-radius:18px;padding:32px;background:#fff;box-shadow:0 6px 22px #133c4c04}
.ec-icon{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:13px;background:#e9f7f6;color:var(--ec-teal);margin-bottom:18px}
.ec-card h3{font-size:21px;line-height:1.35;letter-spacing:-.02em;margin:0 0 16px;color:var(--ec-navy)}
.ec-card p{font-size:15px;color:var(--ec-muted);margin:0 0 16px;line-height:1.8}.ec-card p:last-child{margin-bottom:0}.ec-card strong{font-weight:650;color:#1c4057}
.ec-text-link{display:inline-flex;gap:9px;align-items:center;color:#006c72;min-height:44px;font-size:14px;font-weight:650;text-underline-offset:4px;margin-top:4px}
.ec-text-link .icon{width:18px;height:18px}
.ec-cycle{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:24px}
.ec-cycle span{background:#eef7f8;border:1px solid #d5e9ea;border-radius:8px;padding:10px 4px;text-align:center;color:#18646b;font-size:12px;font-weight:650}
.ec-tinted{background:#f4f8fa;border-block:1px solid #e9eff2}
.ec-table{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0;border:1px solid #d5e3e9;border-radius:16px;overflow:hidden;font-size:14px;line-height:1.65}
.ec-table th,.ec-table td{text-align:left;vertical-align:top;padding:20px 22px;overflow-wrap:anywhere;border-bottom:1px solid #e1e9ed}
.ec-table thead th{background:#0f354e;color:white;font-size:13px;font-weight:650;line-height:1.5;padding-block:18px}.ec-table thead th:nth-child(1){width:23%}.ec-table thead th:nth-child(2){width:32%}
.ec-table tbody th{font-size:14px;font-weight:700;color:#14364e}.ec-table tbody td{color:var(--ec-muted)}
.ec-table tbody tr:nth-child(even){background:#f4f9fa}.ec-table tbody tr:last-child>*{border-bottom:0}
.ec-table a{display:inline-block;min-height:44px;padding-block:8px;color:#006c72;text-decoration:underline;text-underline-offset:3px;font-weight:600}.ec-table a:hover{color:#004b50}.ec-reference-plus{color:#687e8e}
.ec-certification{display:grid;grid-template-columns:64px minmax(0,1fr);gap:26px;padding:36px 40px;margin-top:0;margin-bottom:64px;background:#edf6f7;border:1px solid #d0e5e7;border-radius:20px}
.ec-certification-mark{width:64px;height:64px;display:grid;place-items:center;border-radius:16px;background:#d6eeed;color:#006c72}.ec-certification-mark .icon{width:30px;height:30px}
.ec-certification p{font-size:15px;color:#405d70;margin:0 0 14px}.ec-certification .ec-certification-note{font-weight:650;color:#163e50;margin-bottom:0;border-top:1px solid #cce0e4;padding-top:18px}
@media(max-width:1000px){.ec-hero-grid{gap:30px;grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);padding-block:56px}.ec-hero h1{font-size:42px}.ec-principles{padding:22px}.ec-card{padding:24px}.ec-table th,.ec-table td{padding:16px}.ec-jump-links{gap:4px 18px}}
@media(max-width:700px){.engineering-page .shell{width:calc(100% - 32px)}.ec-hero-grid{grid-template-columns:1fr;padding-block:38px;gap:26px}.ec-hero h1{font-size:36px;line-height:1.12}.ec-eyebrow{font-size:11px;letter-spacing:.1em;margin-bottom:16px}.ec-lead{font-size:15px;line-height:1.8}.ec-principles{padding:20px}.ec-principles-heading{margin-bottom:14px}.ec-principles>div{padding:12px 0}.ec-hero-link{font-size:14px}.ec-jump-links{padding-block:14px;gap:4px 16px}.ec-jump-links a{font-size:12px}.ec-section{padding-block:38px}.ec-section-heading{margin-bottom:22px}.ec-cards{grid-template-columns:1fr;gap:16px}.ec-card{padding:24px 20px}.ec-card h3{font-size:20px}.ec-section-number{font-size:11px}.ec-icon{margin-bottom:14px}.ec-table{display:block;border:0;border-radius:0;overflow:visible}.ec-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.ec-table tbody{display:block}.ec-table tr{display:block;border:1px solid #d5e3e9;border-radius:14px;overflow:hidden;margin-bottom:16px;background:#fff}.ec-table tbody th{display:block;padding:16px 20px;background:#0f354e;color:white;font-size:16px;border-bottom:0}.ec-table tbody td{display:block;padding:16px 20px;font-size:14px;border-bottom:1px solid #e1e9ed}.ec-table td::before{content:attr(data-label);display:block;font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.065em;color:#496275;margin-bottom:8px}.ec-table tbody td:last-child{border-bottom:0}.ec-table a{display:inline-block;padding-block:4px}.ec-certification{grid-template-columns:1fr;gap:18px;padding:26px 22px;margin-bottom:40px}.ec-certification h2{font-size:27px}.ec-certification-mark{width:50px;height:50px}.ec-cycle{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.engineering-page *{scroll-behavior:auto!important;transition:none!important}}
/* The existing mobile header is absolute: reserve its actual 69px height. */
@media(max-width:700px){.engineering-page{padding-top:69px}}