.uranus-scene{position:absolute;inset:0;overflow:hidden;z-index:4;background:#020811;opacity:0}.uranus-scene[hidden]{display:none}.uranus-space-haze{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 66% 44%,rgba(79,160,177,.16),transparent 48%),radial-gradient(ellipse at 42% 67%,rgba(32,71,94,.18),transparent 62%)}.uranus-viewport{position:absolute;inset:0;pointer-events:none}.uranus-viewport canvas{display:block;width:100%;height:100%}.uranus-edge-shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(2,8,17,.74),transparent 19%,transparent 80%,rgba(2,8,17,.24))}.uranus-caption{position:absolute;left:7.5%;bottom:14%;z-index:7;width:min(710px,77vw);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .8s ease,transform .8s cubic-bezier(.22,.78,.2,1)}.uranus-caption.is-visible{opacity:1;transform:none;pointer-events:auto}.uranus-caption .eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 12px;color:#8ed4d8;font-size:8px;letter-spacing:3.5px;text-transform:uppercase}.uranus-caption .eyebrow span{display:block;width:31px;height:1px;background:#91d9dc88}.uranus-caption h2{margin:0;color:#edf9f7;font-family:Georgia,"Times New Roman",serif;font-size:clamp(70px,8.4vw,126px);font-weight:400;line-height:.92;letter-spacing:-.045em}.uranus-caption h2 span{color:#91d9dc}.uranus-whisper{margin:14px 0 22px;color:#a4b7c1;font-size:12px;letter-spacing:.6px}.uranus-arrival-actions{display:grid;grid-template-columns:minmax(130px,1fr) auto minmax(130px,1fr);align-items:center;gap:14px;width:min(690px,73vw)}.uranus-planet-nav{min-height:48px;display:flex;align-items:center;gap:10px;padding:0 4px;border:0;border-top:1px solid #d5e8ea21;border-bottom:1px solid #d5e8ea21;background:transparent;color:#91a2ae;text-align:left;transition:color .25s ease,border-color .25s ease,opacity .25s ease,transform .12s ease}.uranus-planet-nav svg{flex:0 0 auto;width:16px;height:16px;stroke:currentColor;stroke-width:1.25}.uranus-planet-nav span{display:grid;gap:3px;min-width:0}.uranus-planet-nav small,.uranus-planet-nav strong{display:block;font-weight:500;text-transform:uppercase;white-space:nowrap}.uranus-planet-nav small{color:#718591;font-size:6px;letter-spacing:1.45px}.uranus-planet-nav strong{color:inherit;font-size:8px;letter-spacing:1.15px}.uranus-planet-prev{justify-content:flex-start}.uranus-planet-next{justify-content:flex-end;text-align:right}.uranus-planet-nav:hover:not(:disabled){color:#a9e6e5;border-color:#91d9dc62}.uranus-planet-nav:active:not(:disabled){transform:scale(.985)}.uranus-planet-nav:disabled{opacity:.34;cursor:default}.uranus-explore-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:48px;padding:0 18px 0 21px;border-radius:2px;border:1px solid #a8dfdf;background:linear-gradient(120deg,#a8dfe0,#6fb6bf);color:#10202a;font-size:10px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;white-space:nowrap;box-shadow:0 7px 28px #4db4bd26,inset 0 1px #e9ffff;transition:transform .28s ease,background .28s ease,box-shadow .28s ease}.uranus-explore-button svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.5}.uranus-explore-button:hover{transform:translateY(-2px);background:#beecee;box-shadow:0 9px 34px #4db4bd3d,inset 0 1px #f2ffff}.uranus-context-media{position:absolute;z-index:7;top:clamp(100px,15vh,165px);right:clamp(32px,5vw,88px);width:min(390px,31vw);pointer-events:auto;opacity:0;transform:translateX(14px);transition:opacity .55s ease,transform .55s ease}.uranus-scene.is-exploring .uranus-context-media:not([hidden]){opacity:1;transform:none}.uranus-scene:not(.is-exploring) .uranus-context-media{opacity:0;pointer-events:none}.uranus-exploration{position:absolute;z-index:9;top:20%;left:6.5%;width:min(390px,34vw);height:clamp(440px,60vh,575px);max-height:calc(100dvh - 170px);padding:24px 25px 22px;display:flex;flex-direction:column;overflow:hidden;border:1px solid #9bd9dd25;border-left-color:#91d9dc77;border-radius:2px;background:linear-gradient(145deg,#06131eea,#04101acc);box-shadow:0 25px 90px #0000003d;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);opacity:0;transform:translate3d(-14px,8px,0);pointer-events:none;visibility:hidden;transition:opacity .65s ease,transform .8s cubic-bezier(.2,.75,.2,1),visibility 0s linear .8s}.uranus-scene.is-exploring .uranus-exploration{opacity:1;transform:none;pointer-events:auto;visibility:visible;transition-delay:.18s,.18s,0s}.uranus-scene.is-exploring .uranus-caption{opacity:0!important;transform:translateY(14px)!important;pointer-events:none!important;visibility:hidden}.uranus-scene.is-exploring .uranus-credit{opacity:0!important;pointer-events:none!important}.uranus-exploration-topline{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:15px;border-bottom:1px solid #d8e9ea14}.uranus-topic-kicker,.uranus-topic-count{font-size:7px;letter-spacing:2.4px;color:#8fd8db;text-transform:uppercase}.uranus-topic-count{color:#8fa0aa;letter-spacing:1.7px;font-variant-numeric:tabular-nums}.uranus-topic-count #uranus-topic-current{color:#91d9dc}.uranus-exploration h3{margin:20px 0 5px;color:#effaf8;font-family:Georgia,"Times New Roman",serif;font-size:clamp(31px,3vw,43px);line-height:1.03;font-weight:400;letter-spacing:-1px}.uranus-topic-subtitle{margin:0 0 17px;color:#8acdd1;font-size:8px;line-height:1.5;letter-spacing:2.1px;text-transform:uppercase}.uranus-topic-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:14px;scrollbar-width:thin;scrollbar-color:#699aa16e transparent}.uranus-topic-summary{margin:0;color:#c0cbd1;font-size:12px;line-height:1.65}.uranus-topic-facts{display:grid;gap:9px;margin:18px 0 17px;padding:0;list-style:none}.uranus-topic-facts li{position:relative;padding-left:15px;color:#9eafb8;font-size:10px;line-height:1.55}.uranus-topic-facts li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1px;background:#91d9dcaa}.uranus-topic-source{display:inline-flex;align-self:flex-start;margin-top:12px;color:#718894;font-size:7px;letter-spacing:1.25px;text-decoration:none;text-transform:uppercase}.uranus-topic-source:hover{color:#9ee2e1}.uranus-exploration-controls{display:grid;grid-template-columns:38px 1fr 38px;align-items:center;gap:13px;margin-top:22px}.uranus-topic-nav{width:38px;height:38px;display:grid;place-items:center;padding:0;border:1px solid #d5e7e829;border-radius:50%;background:#06131e99;color:#d6e2e6;cursor:pointer;transition:border-color .25s ease,color .25s ease,transform .25s ease,opacity .25s ease}.uranus-topic-nav:hover:not(:disabled){border-color:#91d9dc88;color:#91d9dc;transform:scale(1.055)}.uranus-topic-nav:disabled{opacity:.24;cursor:default}.uranus-topic-nav svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.35}.uranus-topic-progress{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px}.uranus-topic-progress span{height:1px;background:#8798a129;transition:background .35s ease,transform .35s ease;transform-origin:left}.uranus-topic-progress span.is-active{background:#91d9dc;transform:scaleY(2)}.uranus-exploration-close{display:block;width:fit-content;min-width:188px;margin:17px auto 0;padding:8px 14px;border:1px solid #7fb9bd4a;border-radius:2px;background:#06131e66;color:#7f929b;font:inherit;font-size:7px;letter-spacing:1.2px;text-transform:uppercase;cursor:pointer}.uranus-exploration-close:hover{border-color:#91d9dc7a;color:#cad8dc}.uranus-credit{position:absolute;right:3.5%;bottom:80px;z-index:8;color:#728891;font-size:7px;letter-spacing:.5px;text-decoration:none;opacity:0;transition:opacity .3s ease}.uranus-credit:hover{color:#9adadd}.uranus-axis-overlay,.uranus-season-overlay,.uranus-ring-annotation{position:absolute;inset:0;z-index:6;pointer-events:none}.uranus-axis-overlay[hidden],.uranus-season-overlay[hidden],.uranus-ring-annotation[hidden]{display:none}.uranus-axis-line{position:absolute;left:65%;top:21%;width:2px;height:57%;background:linear-gradient(transparent,#b9ecea 14%,#b9ecea 86%,transparent);transform:rotate(82deg);transform-origin:center;box-shadow:0 0 12px #80dce4aa}.uranus-axis-line::before,.uranus-axis-line::after{content:"";position:absolute;left:50%;width:8px;height:8px;border:1px solid #b9ecea;transform:translateX(-50%) rotate(45deg)}.uranus-axis-line::before{top:7%}.uranus-axis-line::after{bottom:7%}.uranus-axis-label{position:absolute;left:73%;top:27%;display:grid;gap:4px;color:#b9ecea;font-size:9px;letter-spacing:1.5px}.uranus-axis-label b{font-size:20px;font-weight:400;letter-spacing:.04em}.uranus-season-sun{position:absolute;left:47%;top:45%;width:14px;height:14px;border-radius:50%;background:#ecd58d;box-shadow:0 0 25px #e2c76f}.uranus-season-ray{position:absolute;left:23%;top:47%;width:31%;height:1px;background:linear-gradient(90deg,transparent,#ecd58d88)}.uranus-ring-annotation .ring-label{position:absolute;color:#9ebfc0;font-size:7px;letter-spacing:1.4px;text-transform:uppercase}.uranus-ring-annotation .ring-label::after{content:"";position:absolute;top:50%;height:1px;background:#7ca2a455}.uranus-ring-annotation .epsilon{left:70%;top:35%}.uranus-ring-annotation .epsilon::after{right:calc(100% + 8px);width:72px}.uranus-ring-annotation .beta{left:72%;top:43%}.uranus-ring-annotation .beta::after{right:calc(100% + 8px);width:82px}.uranus-ring-annotation .alpha{left:71%;top:50%}.uranus-ring-annotation .alpha::after{right:calc(100% + 8px);width:76px}.uranus-exploration.is-switching-next .uranus-topic-scroll,.uranus-exploration.is-switching-next h3,.uranus-exploration.is-switching-next .uranus-topic-subtitle{animation:uranusSlideNext .54s cubic-bezier(.22,.75,.2,1)}.uranus-exploration.is-switching-prev .uranus-topic-scroll,.uranus-exploration.is-switching-prev h3,.uranus-exploration.is-switching-prev .uranus-topic-subtitle{animation:uranusSlidePrev .54s cubic-bezier(.22,.75,.2,1)}@keyframes uranusSlideNext{0%{opacity:.25;transform:translateX(18px)}100%{opacity:1;transform:none}}@keyframes uranusSlidePrev{0%{opacity:.25;transform:translateX(-18px)}100%{opacity:1;transform:none}}.uranus-scene.is-leaving .uranus-caption,.uranus-scene.is-leaving .uranus-credit{pointer-events:none}.is-uranus .masthead{opacity:1;transition:opacity 2s}.is-uranus .preparation{opacity:0}.mission.is-planet-transitioning .uranus-caption{pointer-events:none}.mission.is-planet-transitioning .is-nav-pressed{transform:scale(.975)!important;filter:brightness(1.15)}
@media(max-width:900px) and (min-width:701px){.uranus-caption{left:5%;width:min(690px,88vw)}.uranus-exploration{left:4.5%;width:min(350px,43vw);padding:20px}.uranus-context-media{right:26px;width:min(330px,38vw)}.uranus-axis-line{left:66%}}
@media(max-width:700px){.uranus-caption{left:18px;right:18px;bottom:24px;width:auto;text-align:center}.uranus-caption .eyebrow{justify-content:center}.uranus-caption .eyebrow span{display:none}.uranus-caption h2{font-size:clamp(58px,18vw,84px)}.uranus-whisper{margin:10px 0 15px;font-size:10px}.uranus-arrival-actions{grid-template-columns:minmax(0,1fr) minmax(0,1.18fr) minmax(0,1fr);gap:6px;width:100%}.uranus-arrival-actions>*{min-width:0}.uranus-planet-nav,.uranus-explore-button{min-width:0;min-height:50px;padding:8px 6px;gap:5px}.uranus-planet-nav small,.uranus-planet-nav strong{white-space:normal}.uranus-planet-nav small{font-size:5.5px;letter-spacing:.9px}.uranus-planet-nav strong{font-size:7.5px;letter-spacing:.8px}.uranus-explore-button{font-size:7.5px;letter-spacing:.05em}.uranus-exploration{top:auto;left:5%;right:5%;bottom:5.5%;width:auto;height:min(46dvh,340px);max-height:calc(100dvh - 48px);transform:translateY(18px);padding:16px 17px 14px}.uranus-scene.is-exploring .uranus-exploration{transform:none}.uranus-exploration h3{margin-top:15px;font-size:29px}.uranus-exploration-controls{margin-top:14px}.uranus-exploration-close{margin-top:10px}.uranus-context-media{top:70px;right:14px;width:190px}.uranus-credit{display:none}.uranus-axis-line{left:50%;top:14%;height:36%;transform:rotate(82deg)}.uranus-axis-label{left:65%;top:14%}.uranus-ring-annotation .ring-label{display:none}}
@media(prefers-reduced-motion:reduce){.uranus-caption,.uranus-exploration,.uranus-context-media,.uranus-planet-nav,.uranus-explore-button{transition:none}.uranus-exploration.is-switching-next .uranus-topic-scroll,.uranus-exploration.is-switching-next h3,.uranus-exploration.is-switching-next .uranus-topic-subtitle,.uranus-exploration.is-switching-prev .uranus-topic-scroll,.uranus-exploration.is-switching-prev h3,.uranus-exploration.is-switching-prev .uranus-topic-subtitle{animation:none}}


/* 2026-10-03 CHILD EDUCATION MOBILE READABILITY
   Keep the longer child-friendly lessons readable without turning the mobile
   exploration sheet into tiny textbook text. */
@media(max-width:700px){
  .uranus-exploration{height:min(56dvh,420px)!important;max-height:calc(100dvh - 48px)!important}
  .uranus-exploration h3{font-size:clamp(25px,7.4vw,29px)!important;line-height:1.05!important}
  .uranus-topic-summary{font-size:12px!important;line-height:1.62!important}
  .uranus-topic-facts li{font-size:10px!important;line-height:1.5!important}
  .uranus-topic-facts{gap:8px!important;margin:15px 0 14px!important}
}
@media(max-width:340px){
  .uranus-exploration{height:min(58dvh,420px)!important;left:4%!important;right:4%!important;padding:15px 15px 13px!important}
  .uranus-exploration h3{font-size:24px!important}
  .uranus-exploration-controls{margin-top:11px!important}
  .uranus-exploration-close{margin-top:8px!important}
}

.uranus-focus-reticle{position:absolute;z-index:8;width:1px;height:1px;pointer-events:none;opacity:0;transition:opacity .3s ease}
.uranus-focus-reticle.is-marker-visible{opacity:1}
.uranus-focus-ring{position:absolute;left:-24px;top:-24px;width:48px;height:48px;border:1px solid #d6f0ee77;border-radius:50%;box-shadow:0 0 18px #80dce455}
.uranus-focus-dot{position:absolute;left:-3px;top:-3px;width:6px;height:6px;border-radius:50%;background:#efffff;box-shadow:0 0 10px #91d9dc}
.uranus-focus-line{position:absolute;left:20px;top:0;width:86px;height:1px;background:linear-gradient(90deg,#c7f1eeaa,transparent)}
.uranus-focus-label{position:absolute;left:112px;top:-14px;display:grid;gap:3px;min-width:155px}
.uranus-focus-title{color:#edf9f7;font-size:8px;letter-spacing:1.7px}.uranus-focus-context{color:#89a4aa;font-size:6px;letter-spacing:1.2px}
@media(max-width:700px){.uranus-focus-label{display:none}}

/* Location/object marker readability: flip labels inward when a moon sits near the right edge. */
.uranus-focus-reticle.is-left .uranus-focus-line{left:auto;right:20px;background:linear-gradient(270deg,#c7f1eeaa,transparent)}
.uranus-focus-reticle.is-left .uranus-focus-label{left:auto;right:112px;text-align:right}