.fixed-nav-header.scrolled{background:#1E2B45!important;box-shadow:0 2px 40px rgba(0,0,0,0.15);transition:background 0.4s ease}.philosophy-circle{position:relative;overflow:hidden}.philosophy-circle::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;border:1px solid rgba(200,200,216,0.05);border-radius:50%;pointer-events:none;z-index:0}