body{overflow:hidden}.particle{position:absolute;background:rgba(255,255,255,.2);border-radius:50%;pointer-events:none;animation:floatParticle linear infinite}@keyframes floatParticle{0%{transform:translateY(0) rotate(0deg);opacity:0}10%{opacity:.6}90%{opacity:.4}to{transform:translateY(-100vh) rotate(1turn);opacity:0}}.btn-glow:hover{box-shadow:0 0 20px rgba(139,92,246,.6);transition:box-shadow .3s ease}.input-focus:focus{box-shadow:0 0 0 3px rgba(139,92,246,.3);border-color:#8b5cf6;outline:none}.card-appear{animation:fadeSlideUp .8s cubic-bezier(.2,.9,.4,1.1) forwards}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.glass-card{background:rgba(0,0,0,.55);backdrop-filter:blur(12px);border-radius:2rem;border:1px solid rgba(139,92,246,.3)}.link-premium{background:linear-gradient(120deg,#c084fc,#a855f7);background-clip:text;-webkit-background-clip:text;color:transparent;font-weight:600;transition:all .2s}.link-premium:hover{letter-spacing:.3px;text-shadow:0 0 6px rgba(168,85,247,.5)}