.sustainability-hero{position:relative}.before-after-grid{display:grid;grid-template-columns:repeat(2,1fr)}.before-after-grid figure{height:620px;margin:0}.before-after-grid img{height:100%;-o-object-fit:cover;object-fit:cover;width:100%}.hero-overlay-card{background:rgba(255,255,255,.94);bottom:54px;left:50%;max-width:860px;padding:34px;position:absolute;transform:translateX(-50%)}.calculator-shell{align-items:stretch;display:grid;grid-gap:24px;gap:24px;grid-template-columns:minmax(280px,0.9fr) minmax(320px,1.1fr)}.calc-panel,.calc-result,.case-grid article{background:var(--brand-bg);border:1px solid var(--brand-border);padding:28px}.calc-panel label{color:var(--brand-primary);display:block;font-weight:700;margin:14px 0 6px}.calc-result b{color:var(--brand-accent);display:block;font-size:1.1rem;margin-bottom:12px}.case-grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}@media (max-width:767px){.before-after-grid,.calculator-shell{grid-template-columns:1fr}.before-after-grid figure{height:360px}.hero-overlay-card{bottom:auto;left:auto;position:relative;transform:none}}