:root{--bg-color:#232323;--text-main:#fff2e8;--text-light:#d8c8bd;--primary-color:#f0391a;--primary-hover:#cc2321;--white:#2d2d2d;--shadow-light:#2d2d2d;--shadow-dark:#191919;--convex-light:#2d2d2d;--convex-dark:#1a1a1a;--logo-color:#fff2e8;--font-main:'Inter',sans-serif;--container-width:1200px;--border-radius:20px;--transition-speed:0.3s;}.neu-flat{background:var(--bg-color);box-shadow:9px 9px 16px var(--shadow-dark),-9px -9px 16px var(--shadow-light);border-radius:var(--border-radius);border:1px solid rgba(255,255,255,0.03);transition:background var(--transition-speed),box-shadow var(--transition-speed),color var(--transition-speed),border-color var(--transition-speed);}.neu-pressed{background:var(--bg-color);box-shadow:inset 6px 6px 10px var(--shadow-dark),inset -6px -6px 10px var(--shadow-light);border-radius:var(--border-radius);transition:background var(--transition-speed),box-shadow var(--transition-speed),color var(--transition-speed);}.neu-convex{background:linear-gradient(145deg,var(--convex-light),var(--convex-dark));box-shadow:9px 9px 16px var(--shadow-dark),-9px -9px 16px var(--shadow-light);border-radius:var(--border-radius);transition:background var(--transition-speed),box-shadow var(--transition-speed),color var(--transition-speed);}.neu-concave{background:linear-gradient(145deg,var(--convex-dark),var(--convex-light));box-shadow:9px 9px 16px var(--shadow-dark),-9px -9px 16px var(--shadow-light);border-radius:var(--border-radius);transition:background var(--transition-speed),box-shadow var(--transition-speed),color var(--transition-speed);}