:root{--bg-warm:#F9F8F5;--bg-dark:#121212;--bg-subtle:#EFECE7;--text-primary:#1A1A1A;--text-secondary:#555555;--text-light:#E8E6E1;--accent-brass:#9A866C;--accent-brass-hover:#7A6A55;--border-light:rgba(0,0,0,0.08);--border-dark:rgba(255,255,255,0.1);--mat-plaster:#EAE5DC;--mat-stone:#2C2C2C;--mat-walnut:#3A2E28}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',sans-serif;background-color:var(--bg-warm);color:var(--text-primary);line-height:1.7;font-weight:300;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3,h4{font-family:'Cormorant Garamond',serif;font-weight:500;line-height:1.2;letter-spacing:-.5px}.site-header{position:sticky;top:0;width:100%;z-index:1000;padding:1.5rem 0;background-color:var(--bg-dark);border-bottom:1px solid rgb(255 255 255 / .05);transition:background 0.3s ease,box-shadow 0.3s ease}.site-header.scrolled{box-shadow:0 4px 20px rgb(0 0 0 / .3)}nav{max-width:1300px;margin:0 auto;padding:0 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h2{font-size:2.5rem;margin-bottom:.5rem}.materiality-header p{color:var(--text-secondary);font-size:1.1rem}.materiality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.material-card{padding:3rem 2.5rem;border:1px solid var(--border-light);transition:all 0.4s ease;position:relative;overflow:hidden;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}.material-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgb(0 0 0 / .08)}.mat-plaster{background-color:var(--mat-plaster);color:var(--text-primary)}.mat-plaster .mat-tag{color:var(--accent-brass-hover)}.mat-stone{background-color:var(--mat-stone);color:#EAEAEA;border-color:#444}.mat-stone .mat-tag{color:var(--accent-brass)}.mat-stone h3{color:#FFF}.mat-walnut{background-color:var(--mat-walnut);color:#EAEAEA;border-color:#4A3B32}.mat-walnut .mat-tag{color:#D4AF37}.mat-walnut 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