.bg-layer{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}.synth-sun{position:fixed;bottom:4%;left:50%;transform:translate(-50%);width:clamp(360px,50vw,760px);height:clamp(360px,50vw,760px);border-radius:50%;background:radial-gradient(circle at 50% 115%,#fffdf2,#fff9cb 5%,#ffe774 12%,#ffd24a 22%,#ffbb37 35%,#ff9622 50%,#ff6f12,#ea4a08 82%,#b92a00);box-shadow:0 0 140px #ffec78,0 0 320px #ffc630f2,0 0 520px #ff8e12d9,0 0 800px #ff640fb3,0 0 1100px #e646008c,0 0 1500px #c832004d;z-index:0;pointer-events:none;opacity:0;animation:sunRise 3s ease-out .5s forwards;filter:saturate(1.35) brightness(1.14) blur(.35px)}.synth-sun.burning{animation:sunRise 3s ease-out .5s forwards,sunBurn 14s ease-in-out 3.5s infinite}@keyframes sunBurn{0%{filter:saturate(1.35) brightness(1.14) hue-rotate(0deg) blur(.35px)}12%{filter:saturate(1.45) brightness(1.2) hue-rotate(-4deg) blur(.3px)}25%{filter:saturate(1.55) brightness(1.1) hue-rotate(6deg) blur(.38px)}38%{filter:saturate(1.3) brightness(1.22) hue-rotate(-2deg) blur(.32px)}50%{filter:saturate(1.5) brightness(1.16) hue-rotate(8deg) blur(.35px)}62%{filter:saturate(1.4) brightness(1.24) hue-rotate(-5deg) blur(.3px)}75%{filter:saturate(1.55) brightness(1.08) hue-rotate(4deg) blur(.4px)}88%{filter:saturate(1.3) brightness(1.18) hue-rotate(-3deg) blur(.34px)}to{filter:saturate(1.35) brightness(1.14) hue-rotate(0deg) blur(.35px)}}.sun-rings{position:fixed;bottom:4%;left:50%;transform:translate(-50%);width:clamp(360px,50vw,760px);height:clamp(360px,50vw,760px);z-index:0;pointer-events:none;opacity:0;animation:sunRise 3s ease-out .5s forwards}.sun-ring{position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(255,210,90,0);opacity:0;animation:ringExpand var(--ring-duration, 7s) ease-out var(--ring-delay, 0s) infinite}@keyframes ringExpand{0%{transform:scale(1);opacity:.6;border-color:#ffe67873;box-shadow:0 0 12px 4px #ffdc5059,inset 0 0 12px 4px #ffdc5026}20%{opacity:.45;border-color:#ffc85059;box-shadow:0 0 18px 6px #ffb43240,inset 0 0 10px 3px #ffb4321a}50%{opacity:.22;border-color:#ff962833;box-shadow:0 0 22px 8px #ff8c1e24,inset 0 0 6px 2px #ff8c1e0d}75%{opacity:.08;border-color:#ff6e1414;box-shadow:0 0 16px 5px #ff64140d,inset 0 0 0 0 transparent}to{transform:scale(2.8);opacity:0;border-color:#ff500a00;box-shadow:0 0 0 0 transparent,inset 0 0 0 0 transparent}}.synth-sun:before{content:"";position:absolute;inset:-60px;border-radius:50%;background:radial-gradient(circle,#ffee7da6,#ffb53073 36%,#ff780c38 62%,#ff5a0a00 82%);box-shadow:0 0 90px #ffe246,0 0 200px #ffbe00d1,0 0 360px #ff8c0099,inset 0 0 80px #ffdc464d;z-index:2;filter:blur(10px)}.synth-sun:after{content:"";position:absolute;bottom:-36%;left:-42%;right:-42%;height:68%;background:radial-gradient(ellipse at 50% 0%,rgba(255,232,90,.8) 0%,rgba(255,190,0,.52) 12%,rgba(255,138,0,.34) 30%,rgba(255,98,0,.2) 44%,transparent 72%);z-index:-1;filter:blur(16px)}@keyframes sunRise{0%{opacity:0;transform:translate(-50%) translateY(30px) scale(.8)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}.sun-glow{position:fixed;bottom:14%;left:50%;transform:translate(-50%);width:180vw;height:clamp(420px,56vw,760px);background:radial-gradient(ellipse at 50% 100%,rgba(255,170,45,.28) 0%,rgba(240,96,30,.2) 20%,rgba(190,48,45,.16) 40%,rgba(120,16,56,.12) 56%,rgba(70,8,45,.06) 72%,transparent 88%);z-index:0;pointer-events:none;opacity:0;filter:blur(22px);animation:glowWash 3.5s ease-out .8s forwards}@keyframes glowWash{0%{opacity:0}to{opacity:1}}.horizon-glow{position:fixed;bottom:38%;left:0;right:0;height:2px;z-index:1;pointer-events:none;background:linear-gradient(90deg,transparent 8%,rgba(255,170,72,.2) 22%,rgba(255,194,96,.55) 38%,rgba(255,214,120,.9) 50%,rgba(255,194,96,.55) 62%,rgba(255,170,72,.2) 78%,transparent 92%);box-shadow:0 0 30px #ffaa4859,0 0 80px #ff802847,0 0 170px #ff62192e;opacity:0;filter:blur(.5px);animation:horizonFade 3s ease-out 1s forwards}.skyline{position:fixed;bottom:38%;left:-2%;width:clamp(600px,65vw,1100px);z-index:1;pointer-events:none;opacity:0;animation:horizonFade 3s ease-out 1.2s forwards}.skyline img{display:block;width:100%;height:auto;filter:brightness(.35) contrast(2.2) sepia(.6) saturate(2.5) hue-rotate(-10deg) drop-shadow(0 0 6px rgba(255,160,40,.5)) drop-shadow(0 0 20px rgba(255,120,20,.3));mask-image:linear-gradient(to right,black 40%,black 65%,transparent 95%),linear-gradient(to bottom,black 60%,transparent 100%);mask-composite:intersect;-webkit-mask-image:linear-gradient(to right,black 40%,black 65%,transparent 95%),linear-gradient(to bottom,black 60%,transparent 100%);-webkit-mask-composite:destination-in}.horizon-glow:before{content:"";position:absolute;left:10%;right:10%;top:-16px;height:34px;background:radial-gradient(ellipse at 50% 100%,#ffc15a59,#ff882a2e 45%,#ff641e00);filter:blur(10px)}@keyframes horizonFade{0%{opacity:0}to{opacity:1}}.synth-grid{position:fixed;bottom:0;left:-60%;right:-60%;height:38%;z-index:1;pointer-events:none;background-color:#050014;background-image:linear-gradient(rgba(255,176,78,.24) 1px,transparent 1px),linear-gradient(90deg,rgba(70,156,255,.34) 1px,transparent 1px),linear-gradient(rgba(255,176,78,.02) 5px,transparent 5px),linear-gradient(90deg,rgba(70,156,255,.035) 5px,transparent 5px);background-size:60px 40px;transform:perspective(600px) rotateX(60deg);transform-origin:50% 0%;mask-image:linear-gradient(to bottom,#0000,#0003 3%,#000000b3 10%,#000 25% 55%,#0000004d 78%,#0000 92%);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,0) 0%,rgba(0,0,0,.2) 3%,rgba(0,0,0,.7) 10%,rgba(0,0,0,1) 25%,rgba(0,0,0,1) 55%,rgba(0,0,0,.3) 78%,rgba(0,0,0,0) 92%);animation:gridScroll 1.5s linear infinite}@keyframes gridScroll{0%{background-position:0 0}to{background-position:0 40px}}.aurora{position:absolute;border-radius:50%;filter:blur(100px);opacity:0;will-change:transform,opacity}.aurora-1{width:700px;height:500px;top:-15%;left:-10%;background:radial-gradient(circle,#ff780073,#ff780000 70%);animation:aurora1 10s ease-in-out infinite alternate}.aurora-2{width:600px;height:600px;top:20%;right:-15%;background:radial-gradient(circle,#ff500059,#ff500000 70%);animation:aurora2 13s ease-in-out 2s infinite alternate}.aurora-3{width:650px;height:400px;bottom:25%;left:15%;background:radial-gradient(circle,#ffa00066,#ffa00000 70%);animation:aurora3 16s ease-in-out 4s infinite alternate}.aurora-4{width:500px;height:400px;top:5%;right:10%;background:radial-gradient(circle,#ffc83240,#ffc83200 70%);animation:aurora4 18s ease-in-out 1s infinite alternate}.aurora-5{width:550px;height:550px;bottom:5%;right:-5%;background:radial-gradient(circle,#ff8c1e59,#ff8c1e00 70%);animation:aurora5 12s ease-in-out 3s infinite alternate}@keyframes aurora1{0%{transform:translate(0) scale(1);opacity:.7}50%{transform:translate(80px,50px) scale(1.3);opacity:1}to{transform:translate(-40px,100px) scale(.9);opacity:.6}}@keyframes aurora2{0%{transform:translate(0) scale(1);opacity:.6}50%{transform:translate(-100px,-40px) scale(1.4);opacity:.95}to{transform:translate(50px,-70px) scale(1.1);opacity:.7}}@keyframes aurora3{0%{transform:translate(0) scale(1.1);opacity:.6}50%{transform:translate(60px,-50px) scale(.9);opacity:1}to{transform:translate(-50px,30px) scale(1.3);opacity:.65}}@keyframes aurora4{0%{transform:translate(0) scale(1);opacity:.35}50%{transform:translate(-50px,60px) scale(1.2);opacity:.65}to{transform:translate(35px,-40px) scale(.95);opacity:.4}}@keyframes aurora5{0%{transform:translate(0) scale(1);opacity:.5}50%{transform:translate(-60px,-40px) scale(1.2);opacity:.85}to{transform:translate(25px,50px) scale(.95);opacity:.55}}