.grid-pattern{background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 0);background-size:50px 50px;animation:grid-move 20s linear infinite}.floating-orb{position:absolute;border-radius:50%;filter:blur(40px);animation:float 15s ease-in-out infinite}.orb-1{width:200px;height:200px;background:linear-gradient(45deg,rgba(59,130,246,.1),rgba(147,51,234,.1));top:10%;left:10%;animation-delay:0s}.orb-2{width:300px;height:300px;background:linear-gradient(45deg,rgba(147,51,234,.1),rgba(236,72,153,.1));top:60%;right:10%;animation-delay:5s}.orb-3{width:150px;height:150px;background:linear-gradient(45deg,rgba(34,197,94,.1),rgba(59,130,246,.1));bottom:20%;left:30%;animation-delay:10s}.collage-mosaic{position:absolute;top:-10%;left:-10%;width:120%;height:120%;animation:mosaic-drift 35s ease-in-out infinite;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(6,1fr);gap:-2px;transform:rotate(-2deg)}.collage-tile{background-size:cover;background-position:50%;border-radius:4px;box-shadow:0 2px 15px rgba(0,0,0,.3);transition:all .3s ease;border:1px solid rgba(255,255,255,.1)}.tile-1{grid-column:1/3;grid-row:1/2;animation:tile-float-1 18s ease-in-out infinite}.tile-2{grid-column:3/4;grid-row:1/3;animation:tile-float-2 22s ease-in-out infinite}.tile-3{grid-column:4/6;grid-row:1/2;animation:tile-float-3 16s ease-in-out infinite}.tile-4{grid-column:6/7;grid-row:1/3;animation:tile-float-4 25s ease-in-out infinite}.tile-5{grid-column:7/9;grid-row:1/2;animation:tile-float-5 19s ease-in-out infinite}.tile-6{grid-column:1/2;grid-row:2/4;animation:tile-float-6 21s ease-in-out infinite}.tile-7{grid-column:2/4;grid-row:2/3;animation:tile-float-1 24s ease-in-out infinite}.tile-8{grid-column:4/6;grid-row:2/4;animation:tile-float-2 17s ease-in-out infinite}.tile-9{grid-column:6/8;grid-row:2/3;animation:tile-float-3 26s ease-in-out infinite}.tile-10{grid-column:8/9;grid-row:2/4;animation:tile-float-4 15s ease-in-out infinite}.tile-11{grid-column:1/3;grid-row:3/4;animation:tile-float-5 23s ease-in-out infinite}.tile-12{grid-column:3/5;grid-row:3/5;animation:tile-float-6 20s ease-in-out infinite}.tile-13{grid-column:5/6;grid-row:3/4;animation:tile-float-1 27s ease-in-out infinite}.tile-14{grid-column:6/8;grid-row:3/4;animation:tile-float-2 14s ease-in-out infinite}.tile-15{grid-column:8/9;grid-row:3/5;animation:tile-float-3 28s ease-in-out infinite}.tile-16{grid-column:1/2;grid-row:4/6;animation:tile-float-4 18s ease-in-out infinite}.tile-17{grid-column:2/3;grid-row:4/5;animation:tile-float-5 29s ease-in-out infinite}.tile-18{grid-column:3/5;grid-row:4/6;animation:tile-float-6 13s ease-in-out infinite}.tile-19{grid-column:5/7;grid-row:4/5;animation:tile-float-1 30s ease-in-out infinite}.tile-20{grid-column:7/9;grid-row:4/6;animation:tile-float-2 12s ease-in-out infinite}.tile-21{grid-column:1/3;grid-row:5/6;animation:tile-float-3 31s ease-in-out infinite}.tile-22{grid-column:3/4;grid-row:5/6;animation:tile-float-4 11s ease-in-out infinite}.tile-23{grid-column:4/6;grid-row:5/6;animation:tile-float-5 32s ease-in-out infinite}.tile-24{grid-column:6/7;grid-row:5/6;animation:tile-float-6 10s ease-in-out infinite}.tile-25{grid-column:7/9;grid-row:5/6;animation:tile-float-1 33s ease-in-out infinite}.tile-26{top:15%;left:25%;width:180px;height:120px;animation:tile-float-2 34s ease-in-out infinite;transform:rotate(15deg)}.tile-26,.tile-27{position:absolute;z-index:10}.tile-27{top:60%;left:70%;width:200px;height:140px;animation:tile-float-3 9s ease-in-out infinite;transform:rotate(-12deg)}.tile-28{position:absolute;top:35%;left:80%;width:160px;height:100px;animation:tile-float-4 35s ease-in-out infinite;z-index:10;transform:rotate(8deg)}@keyframes grid-move{0%{transform:translate(0)}to{transform:translate(50px,50px)}}@keyframes float{0%,to{transform:translateY(0) rotate(0deg)}33%{transform:translateY(-20px) rotate(120deg)}66%{transform:translateY(10px) rotate(240deg)}}@keyframes mosaic-drift{0%,to{transform:translateX(0) translateY(0) rotate(-2deg)}25%{transform:translateX(-15px) translateY(-10px) rotate(-1.5deg)}50%{transform:translateX(-8px) translateY(-20px) rotate(-2.5deg)}75%{transform:translateX(-20px) translateY(-5px) rotate(-1.8deg)}}@keyframes tile-float-1{0%,to{transform:translateX(0) translateY(0) scale(1)}50%{transform:translateX(3px) translateY(-5px) scale(1.01)}}@keyframes tile-float-2{0%,to{transform:translateX(0) translateY(0) scale(1)}33%{transform:translateX(-4px) translateY(-3px) scale(.99)}66%{transform:translateX(2px) translateY(-7px) scale(1.02)}}@keyframes tile-float-3{0%,to{transform:translateX(0) translateY(0) scale(1)}40%{transform:translateX(5px) translateY(-4px) scale(1.01)}80%{transform:translateX(-3px) translateY(-8px) scale(.98)}}@keyframes tile-float-4{0%,to{transform:translateX(0) translateY(0) scale(1)}25%{transform:translateX(-2px) translateY(-6px) scale(1.02)}75%{transform:translateX(4px) translateY(-2px) scale(.99)}}@keyframes tile-float-5{0%,to{transform:translateX(0) translateY(0) scale(1)}30%{transform:translateX(3px) translateY(-9px) scale(.97)}70%{transform:translateX(-5px) translateY(-1px) scale(1.03)}}@keyframes tile-float-6{0%,to{transform:translateX(0) translateY(0) scale(1)}20%{transform:translateX(-1px) translateY(-7px) scale(1.01)}60%{transform:translateX(6px) translateY(-3px) scale(.98)}}@keyframes slideInLeft{0%{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}@keyframes slideInRight{0%{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}@keyframes bounce-slow{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes iconFloatFast{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-15px) rotate(180deg)}}.animate-slideInLeft{animation:slideInLeft .8s ease-out forwards}.animate-slideInRight{animation:slideInRight .8s ease-out forwards}.animate-bounce-slow{animation:bounce-slow 3s ease-in-out infinite}.floating-icon-fast{animation:iconFloatFast 3s ease-in-out infinite}.delay-100{animation-delay:.1s}.delay-500{animation-delay:.5s}.delay-1000{animation-delay:1s}.course-content{animation:slideInLeft .8s ease-out}