@property --sun-y{syntax:"<length>";inherits:true;initial-value:35vh}@property --atmo-o{syntax:"<number>";inherits:true;initial-value:1}.edu-horizon{--hz-warm:#ff822d;--hz-violet:#5227ff;--hz-space:#000;--hz-next:#0f0a2e;--R:150vh;--edge:12vw;--sun-y:35vh;isolation:isolate;background:var(--hz-space);overflow:hidden}@media(min-width:768px){.edu-horizon{--edge:30vw}}.edu-horizon__stage{pointer-events:none;position:absolute;inset:0}.edu-horizon__stage>*{position:absolute}.edu-horizon__planet,.edu-horizon__atmo,.edu-horizon__rim{left:calc(var(--edge) - var(--R) * 2);top:calc(50vh - var(--R));width:calc(var(--R) * 2);height:calc(var(--R) * 2);border-radius:50%}.edu-horizon__planet{background:radial-gradient(circle,#000 0,#000 calc(var(--R) - 6vh),#1a0d06 calc(var(--R) - .6vh),#2a1408 var(--R),transparent calc(var(--R) + 1px))}.edu-horizon__atmo{left:calc(var(--edge) - var(--R) * 2 - 25vw);top:calc(50vh - var(--R) - 25vw);width:calc(var(--R) * 2 + 50vw);height:calc(var(--R) * 2 + 50vw);background:radial-gradient(circle,transparent calc(var(--R) - 1px),color-mix(in oklab,var(--hz-warm) 90%,white) var(--R),color-mix(in oklab,var(--hz-warm) 60%,var(--hz-violet)) calc(var(--R) + 2vw),color-mix(in oklab,var(--hz-violet) 55%,transparent) calc(var(--R) + 8vw),color-mix(in oklab,var(--hz-violet) 18%,transparent) calc(var(--R) + 16vw),transparent calc(var(--R) + 25vw));opacity:calc(.78 * var(--atmo-o))}.edu-horizon__rim{background:radial-gradient(circle,transparent calc(var(--R) - 1.5px),#fff4ea calc(var(--R) - .5px),transparent calc(var(--R) + 1px));opacity:.7}.edu-horizon__hot{left:calc(var(--edge) - 14vw);top:calc(var(--sun-y) - 34vh);background:radial-gradient(ellipse closest-side at 41% 50%,color-mix(in oklab,var(--hz-warm) 45%,transparent),color-mix(in oklab,var(--hz-violet) 18%,transparent) 60%,transparent);mix-blend-mode:screen;width:34vw;height:68vh}.edu-horizon__sun{left:calc(var(--edge) - 1vh - 9vw);top:calc(var(--sun-y) - 9vw);background:radial-gradient(circle,#fff6ece6 0,color-mix(in oklab,var(--hz-warm) 55%,transparent) 12%,color-mix(in oklab,var(--hz-warm) 12%,transparent) 40%,transparent 70%);mix-blend-mode:screen;border-radius:50%;width:18vw;height:18vw}.edu-horizon__stars{-webkit-mask-image:linear-gradient(90deg,transparent calc(var(--edge) + 4vw),#000 calc(var(--edge) + 18vw));mask-image:linear-gradient(90deg,transparent calc(var(--edge) + 4vw),#000 calc(var(--edge) + 18vw));background-size:400px 400px;inset:0}.edu-horizon__stars--1{background-position:137px 61px}.edu-horizon__stars--2{background-position:251px 199px}.edu-horizon__grain{opacity:.06;background-size:160px 160px;inset:0}.edu-horizon__fade{background:linear-gradient(to bottom,transparent,var(--hz-next));height:120px;inset:auto 0 0}@keyframes hz-sunrise{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}@keyframes hz-sunrise-fade{0%{opacity:0}}@keyframes hz-twinkle{0%,to{opacity:1}50%{opacity:.45}}@keyframes hz-drift{0%,to{--sun-y:31vh}50%{--sun-y:39vh}}@keyframes hz-breathe{0%,to{--atmo-o:.92}50%{--atmo-o:1.08}}@media(prefers-reduced-motion:no-preference){.edu-horizon__atmo,.edu-horizon__rim{animation:1.5s ease-out both hz-sunrise}.edu-horizon__hot{left:calc(var(--edge) - 14vw);top:calc(var(--sun-y) - 34vh);background:radial-gradient(ellipse closest-side at 41% 50%,color-mix(in oklab,var(--hz-warm) 45%,transparent),color-mix(in oklab,var(--hz-violet) 18%,transparent) 60%,transparent);mix-blend-mode:screen;width:34vw;height:68vh}.edu-horizon__sun,.edu-horizon__hot{animation:1.5s ease-out both hz-sunrise-fade}.edu-horizon__stars--0{animation:5s ease-in-out infinite hz-twinkle}.edu-horizon__stars--1{animation:7s ease-in-out 1.5s infinite hz-twinkle}.edu-horizon__stars--2{animation:9s ease-in-out 3s infinite hz-twinkle}}@media(prefers-reduced-motion:no-preference)and (min-width:768px){.edu-horizon{animation:20s ease-in-out infinite hz-drift,8s ease-in-out infinite hz-breathe}}