.card{background:rgba(20,20,30,.8);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.card:hover{border-color:rgba(255,255,255,.2);transform:translateY(-4px)}.card-glow{box-shadow:0 0 20px rgba(102,126,234,.3)}.card-glow:hover{box-shadow:0 0 30px rgba(102,126,234,.5)}