.lego-brick{background:linear-gradient(135deg,#f44,#f66);border-radius:8px;position:relative;box-shadow:0 4px 8px rgba(0,0,0,.2),inset 0 2px 4px rgba(255,255,255,.2)}.lego-brick:before{content:"";background:radial-gradient(circle at 25% 25%,transparent 20%,rgba(255,255,255,.1) 21%,rgba(255,255,255,.1) 40%,transparent 41%),radial-gradient(circle at 75% 25%,transparent 20%,rgba(255,255,255,.1) 21%,rgba(255,255,255,.1) 40%,transparent 41%),radial-gradient(circle at 25% 75%,transparent 20%,rgba(255,255,255,.1) 21%,rgba(255,255,255,.1) 40%,transparent 41%),radial-gradient(circle at 75% 75%,transparent 20%,rgba(255,255,255,.1) 21%,rgba(255,255,255,.1) 40%,transparent 41%);border-radius:4px;position:absolute;top:10%;bottom:10%;left:10%;right:10%}.lego-yellow{background:linear-gradient(135deg,gold,#ffed4e)}.lego-blue{background:linear-gradient(135deg,#06c,#39f)}.lego-red{background:linear-gradient(135deg,#c00,#f33)}.lego-green{background:linear-gradient(135deg,#0a0,#3c3)}.lego-white{background:linear-gradient(135deg,#fff,#f0f0f0)}.lego-black{background:linear-gradient(135deg,#333,#666)}.lego-orange{background:linear-gradient(135deg,#f60,#f93)}.lego-purple{background:linear-gradient(135deg,#83c,#a5f)}.lego-card{transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.lego-card:before{content:"";z-index:-1;border-radius:inherit;opacity:0;background:linear-gradient(45deg,red 0%,#ff0 14%,#0f0 28%,#0ff 42%,#00f 57%,#f0f 71%,red 85%,#ff0 100%);transition:opacity .3s;position:absolute;top:-2px;bottom:-2px;left:-2px;right:-2px}.lego-card:hover:before{opacity:1}.lego-card:hover{transform:translateY(-8px)scale(1.02);box-shadow:0 20px 40px rgba(0,0,0,.1),0 0 20px rgba(255,255,255,.5)}.lego-btn{color:#fff;text-transform:uppercase;letter-spacing:1px;background:linear-gradient(135deg,#f44,#c00);border:none;border-radius:8px;padding:12px 24px;font-weight:700;transition:all .2s;position:relative;overflow:hidden;box-shadow:0 4px 8px rgba(0,0,0,.2),inset 0 2px 4px rgba(255,255,255,.2)}.lego-btn:before{content:"";background:rgba(255,255,255,.2);border-radius:50%;width:20px;height:20px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lego-btn:hover{transform:translateY(-2px);box-shadow:0 6px 12px rgba(0,0,0,.3),inset 0 2px 4px rgba(255,255,255,.3)}.lego-btn:active{transform:translateY(0);box-shadow:0 2px 4px rgba(0,0,0,.2)}.lego-btn-yellow{color:#333;background:linear-gradient(135deg,gold,#c90)}.lego-btn-blue{background:linear-gradient(135deg,#06c,#049)}.lego-btn-green{background:linear-gradient(135deg,#0a0,#070)}.lego-grid{background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0,transparent 2px,transparent 20px,rgba(255,255,255,.05) 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0,transparent 2px,transparent 20px,rgba(255,255,255,.05) 22px)}@keyframes legoStack{0%{opacity:0;transform:translateY(-20px)scale(.8)}50%{opacity:.8;transform:translateY(-5px)scale(1.1)}to{opacity:1;transform:translateY(0)scale(1)}}.lego-stack{animation:.5s cubic-bezier(.34,1.56,.64,1) legoStack}@keyframes legoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.lego-float{animation:3s ease-in-out infinite legoFloat}@keyframes legoPulse{0%,to{transform:scale(1);box-shadow:0 0 rgba(255,68,68,.7)}50%{transform:scale(1.05);box-shadow:0 0 0 10px rgba(255,68,68,0)}}.lego-pulse{animation:2s infinite legoPulse}.lego-text{text-transform:uppercase;letter-spacing:2px;text-shadow:2px 2px 4px rgba(0,0,0,.3);font-family:Arial Black,Helvetica,sans-serif;font-weight:900}.lego-title{background:linear-gradient(45deg,#f44,#ff0,#4f4,#44f) 0 0/400% 400%;-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;animation:3s infinite legoGradient}@keyframes legoGradient{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.lego-icon{filter:drop-shadow(2px 2px 4px rgba(0,0,0,.3));font-size:2rem;transition:transform .2s;display:inline-block}.lego-icon:hover{transform:scale(1.2)rotate(5deg)}@media (max-width:768px){.lego-card{margin:8px}.lego-btn{padding:10px 20px;font-size:.9rem}.lego-title{font-size:2rem}}@media (max-width:480px){.lego-btn{padding:8px 16px;font-size:.8rem}.lego-title{font-size:1.5rem}}