.sustain-hero{padding:160px 0 60px;background:linear-gradient(135deg,#1b5e20 0,var(--brand-primary-dark) 100%);text-align:center}.sustain-hero h1{color:#fff;margin-bottom:var(--spacing-sm)}.sustain-hero p{color:rgba(255,255,255,.85);font-size:1.1rem;max-width:640px;margin:0 auto}.sustain-pillars{padding:var(--spacing-2xl) 0}.pillar-card{border:1px solid var(--brand-bg-alt);border-radius:var(--brand-radius);padding:var(--spacing-lg);height:100%;background:var(--brand-white);transition:box-shadow .3s}.pillar-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}.pillar-number{width:40px;height:40px;border-radius:50%;background:#1b5e20;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:var(--spacing-sm);font-size:1.1rem}.pillar-card h3{font-size:1.15rem;margin-bottom:var(--spacing-xs)}.pillar-card p{color:var(--brand-text-muted);font-size:.95rem}.sustain-commitment{padding:var(--spacing-2xl) 0;background:var(--brand-bg-light)}.sustain-commitment ai-img{width:100%;border-radius:var(--brand-radius)}.sustain-targets{padding:var(--spacing-2xl) 0}.target-item{text-align:center;padding:var(--spacing-md);border:1px solid var(--brand-bg-alt);border-radius:var(--brand-radius);height:100%}.target-year{font-size:2rem;font-weight:700;color:#1b5e20;display:block}.target-goal{font-size:.95rem;color:var(--brand-text);margin-top:var(--spacing-xs)}