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i:nth-child(8){width:19rem;animation-delay:-4s;top:62%;right:-4%}.planet-environment__horizon{transform-origin:50% 100%;width:124%;transition:translate 1s var(--ease-out);border-radius:50% 50% 0 0/34% 34% 0 0;animation:12s ease-in-out infinite terrain-breathe;left:-12%}.planet-environment__horizon:after{content:"";border-radius:inherit;opacity:.32;mix-blend-mode:soft-light;background:radial-gradient(circle at 18% 22%,#ffffff21 0 1px,#0000 1.5px) 0 0/3.8rem 3.8rem,radial-gradient(circle at 68% 38%,#0003 0 2px,#0000 2.8px) 0 0/5.6rem 5.6rem;position:absolute;inset:0}.planet-environment__horizon--far{z-index:1;background:linear-gradient(180deg, color-mix(in srgb, var(--ground-far) 82%, white), var(--ground-far));height:35%;translate:var(--parallax-far-x) var(--parallax-far-y);bottom:-7%}.planet-environment__horizon--mid{z-index:1;background:linear-gradient(165deg, color-mix(in srgb, var(--ground-mid) 78%, var(--light)), var(--ground-mid) 55%);height:38%;translate:var(--parallax-mid-x) 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0}.planet-environment[data-planet=sun]{--sky-top:#080101;--sky-horizon:#521002;--light:#fff1a3;--haze:#ff9b2f;--weather:#ff9d2f9e;--ground-far:#d45108;--ground-mid:#8f1e02;--ground-near:#250300}.planet-environment[data-planet=mercury]{--sky-top:#010102;--sky-horizon:#15171b;--light:#f1e1be;--haze:#b9aa92;--weather:#e0dace1a;--ground-far:#8a8177;--ground-mid:#4d4945;--ground-near:#171719}.planet-environment[data-planet=venus]{--sky-top:#1e0d02;--sky-horizon:#b4691d;--light:#ffe9a6;--haze:#eaa84c;--weather:#ffd381a3;--ground-far:#85502b;--ground-mid:#5b2d16;--ground-near:#241007}.planet-environment[data-planet=earth]{--sky-top:#020817;--sky-horizon:#1886b7;--light:#dff9ff;--haze:#70dfff;--weather:#f4fcff9e;--ground-far:#1e7187;--ground-mid:#2f7755;--ground-near:#0a2d23}.planet-environment[data-planet=mars]{--sky-top:#140704;--sky-horizon:#c06d38;--light:#ffd4a2;--haze:#e18a4f;--weather:#e6996180;--ground-far:#b26037;--ground-mid:#71351f;--ground-near:#2d120b}.planet-environment[data-planet=jupiter]{--sky-top:#0c0807;--sky-horizon:#9a6b54;--light:#ffe2c6;--haze:#c99677;--weather:#ffddc773;--ground-far:#c39a7d;--ground-mid:#8a5742;--ground-near:#39241f}.planet-environment[data-planet=saturn]{--sky-top:#0b0906;--sky-horizon:#a48b56;--light:#fff0bd;--haze:#dec78d;--weather:#ffefbf61;--ground-far:#d3bb7f;--ground-mid:#9d8050;--ground-near:#3b3020}.planet-environment[data-planet=uranus]{--sky-top:#011014;--sky-horizon:#4ba8b2;--light:#ccfbff;--haze:#6ee9ef;--weather:#d3ffff61;--ground-far:#82cbd0;--ground-mid:#3e8d96;--ground-near:#123c45}.planet-environment[data-planet=neptune]{--sky-top:#02051a;--sky-horizon:#1745a3;--light:#7eb8ff;--haze:#376aff;--weather:#9dcdff75;--ground-far:#3158b6;--ground-mid:#173487;--ground-near:#071442}.planet-environment[data-planet=jupiter] .planet-environment__horizon,.planet-environment[data-planet=saturn] .planet-environment__horizon,.planet-environment[data-planet=uranus] .planet-environment__horizon,.planet-environment[data-planet=neptune] .planet-environment__horizon{background-image:repeating-linear-gradient(178deg, #ffffff21 0 .45rem, transparent .55rem 1.4rem), linear-gradient(180deg, var(--ground-far), var(--ground-near))}.planet-environment[data-planet=saturn] .planet-environment__light{filter:blur(.45rem);background:linear-gradient(90deg,#0000,#ffecb540,#0000);border-radius:0;width:130%;height:3rem;top:10%;left:-14%;rotate:-13deg}.planet-environment[data-planet=mars] .planet-environment__weather i,.planet-environment[data-planet=venus] .planet-environment__weather i{opacity:.54}.observe-caption{z-index:6;background:linear-gradient(140deg,#ffffff13,#0000 48%),#04070c5c;border-radius:1.5rem;align-items:end;width:min(58rem,100% - 6rem);margin:0;padding:1.2rem 1.35rem;position:absolute;bottom:7.3rem;left:clamp(1.5rem,3vw,3rem)}.observe-name h1{letter-spacing:-.045em;font-size:clamp(3.6rem,5.5vw,5.7rem)}.observe-name p{max-width:42ch}.hotspot-pill{z-index:7;-webkit-backdrop-filter:blur(.35rem);backdrop-filter:blur(.35rem);background:#04080d33;border-color:#0000;bottom:7.3rem;right:clamp(1.5rem,3vw,3rem)}.hotspot-pill:hover{-webkit-backdrop-filter:blur(1.2rem)saturate(1.4);backdrop-filter:blur(1.2rem)saturate(1.4);background:#ffffff0e;border-color:#ffffff1f;box-shadow:0 1rem 3rem #0003}.planet-rail{z-index:7;-webkit-backdrop-filter:blur(1.5rem)saturate(1.45);backdrop-filter:blur(1.5rem)saturate(1.45);background:linear-gradient(150deg,#fff1,#0000 42%),#04070c75;border:1px solid #ffffff17;border-radius:1.55rem;width:min(100% - 4rem,82rem);margin:0;padding:.4rem .55rem;position:absolute;bottom:1rem;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:inset 0 1px #ffffff14,0 1.4rem 4rem #00000042}.planet-rail button{border-color:#0000;border-radius:1rem;min-height:4.15rem}.planet-rail button:hover{background:radial-gradient(circle at 50% 20%, rgba(var(--body-accent-rgb), .13), #ffffff09);box-shadow:inset 0 0 0 1px #ffffff13}.planet-rail button[aria-pressed=true]{box-shadow:inset 0 -2px 0 var(--body-accent);background:0 0;border-color:#0000}.primary-nav button:focus-visible,.planet-rail button:focus-visible{outline:1px solid rgba(var(--body-accent-rgb), .58);outline-offset:1px}.mode-view:not(.galaxy-view){padding-top:clamp(4.5rem,7vw,7rem)}.mode-head h2{font-family:var(--sans);letter-spacing:-.055em;font-size:clamp(2.6rem,4vw,4.2rem);font-weight:600}.mode-head p{max-width:46rem;font-size:1.02rem}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.chapter-card{border-radius:1.4rem;min-height:12.5rem;padding:1.5rem}.chapter-card strong,.question-card strong{font-family:var(--sans);letter-spacing:-.025em;font-weight:500}.archive-side,.keyword-block,.moon-ledger{padding:1.4rem 1.5rem}.compare-picker button,.keyword-cloud button,.moon-list button{border-color:#0000;border-radius:999px}.compare-picker button:hover,.keyword-cloud button:hover,.moon-list button:hover{background:#ffffff0e;border-color:#0000;box-shadow:inset 0 0 0 1px #ffffff17}.compare-picker button.is-active{color:var(--ink);box-shadow:inset 0 -2px 0 var(--body-accent);background:0 0;border-color:#0000}.comparison-board{gap:1.3rem}.comparison-body{background:radial-gradient(circle at 50% 25%, color-mix(in srgb, var(--compare-accent) 15%, transparent), transparent 44%), linear-gradient(145deg, #ffffff0e, #ffffff03), #04070c66;border-radius:1.7rem;min-height:31rem;padding:1.6rem}.comparison-orb{width:min(18vw,14rem)}.question-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.question-card{border-radius:1.4rem;min-height:10.5rem}.question-card>span{background:rgba(var(--body-accent-rgb), .075);border-color:#0000}.chapter-drawer{background:#05080da3;border-left:0;border-radius:2rem 0 0 2rem}.search-palette{background:#05080dad;border-color:#ffffff1f;border-radius:1.65rem}.search-results>button:hover{background:radial-gradient(circle at 24% 50%, rgba(var(--body-accent-rgb), .11), #ffffff06 50%, transparent)}}@media (prefers-reduced-motion:reduce){.gravity-field{opacity:.42}.liquid-glass{transform:none!important}.planet-environment__light,.planet-environment__weather,.planet-environment__horizon{translate:0!important}}@keyframes planet-surface-rise{0%{opacity:0;filter:blur(1.8rem)brightness(.42)saturate(.55);transform:translate(-50%)translateY(48%)scale(.88)}24%{opacity:.14}72%{opacity:.88;filter:blur(.18rem)brightness(.96)saturate(.9);transform:translate(-50%)translateY(4%)scale(.985)}to{opacity:1;filter:blur()brightness();transform:translate(-50%)translateY(0)scale(1)}}@keyframes water-ripple{0%{opacity:.34;scale:.58}to{opacity:0;scale:1.42}}@keyframes landing-planet-buoyancy{0%,to{translate:0}50%{translate:0 -.28rem}}@media (width>=64rem){.landing--water{background:radial-gradient(ellipse 44% 58% at 49% 58%, #ffffff0f, transparent 70%), radial-gradient(ellipse 70% 36% at 50% 72%, rgba(var(--body-accent-rgb), .035), transparent 74%), linear-gradient(180deg, #0d0e11d1, #020305e6);transform-origin:50% 58%;min-height:100svh;transition:opacity 1.02s,filter 1.08s,transform 1.18s cubic-bezier(.22,1,.36,1);display:block;position:relative;overflow:hidden}.landing--water:before{content:"";z-index:0;pointer-events:none;mix-blend-mode:screen;background:linear-gradient(106deg,#0000 20%,#ffffff09 48%,#0000 63%),repeating-linear-gradient(90deg,#0000 0 7rem,#ffffff03 7rem 7.05rem);position:absolute;inset:0}.landing--water:after{content:"";z-index:4;pointer-events:none;-webkit-backdrop-filter:blur(.24rem)saturate(.7);backdrop-filter:blur(.24rem)saturate(.7);background:linear-gradient(#080a0d0f,#010204b8);position:absolute;inset:69% 0 0;-webkit-mask-image:linear-gradient(#000c,#000 22%);mask-image:linear-gradient(#000c,#000 22%)}.landing-wordmark{z-index:8;transform-origin:0 0;transition:opacity .55s ease, translate .75s var(--ease-out), filter .55s ease;position:absolute;top:clamp(4rem,10vh,7rem);left:clamp(4rem,7vw,8rem)}.landing-wordmark p{color:#f5f5f785;letter-spacing:.24em;margin:0 0 .8rem;font-size:.72rem;font-weight:600}.landing-wordmark h1{color:#f5f5f7;transform-origin:0 0;filter:drop-shadow(0 1.6rem 5rem #0000008c);width:clamp(36rem,56vw,56rem);margin:0;line-height:0;transform:scaleY(.76)}.landing-planet-stage{z-index:3;position:absolute;inset:0}.landing-planet{bottom:31%;left:var(--planet-x);width:var(--planet-size);aspect-ratio:1;opacity:1;filter:blur()brightness();transform-origin:50% 100%;animation:2.65s cubic-bezier(.22,1,.36,1) both planet-surface-rise;animation-delay:var(--planet-delay);will-change:transform, opacity, filter;transition:opacity .9s,transform 1.08s cubic-bezier(.22,1,.36,1),filter .9s;position:absolute;transform:translate(-50%)translateY(0)scale(1)}.landing-planet__body{z-index:3;background:var(--planet-gradient);box-shadow:inset -2.4rem -1.4rem 4rem #000000ad, inset 1.2rem .8rem 2.7rem #ffffff12, 0 0 0 1px #ffffff14, 0 2.3rem 5rem #00000094, 0 0 3.5rem rgba(var(--body-accent-rgb), .08);animation:8s ease-in-out infinite landing-planet-buoyancy;animation-delay:calc(var(--planet-delay) + 2.5s);border-radius:50%;display:block;position:absolute;inset:0;overflow:visible}.landing-planet__body:before{content:"";mix-blend-mode:screen;background:radial-gradient(circle at 33% 24%,#ffffff57,#0000 10%),repeating-radial-gradient(at 62% 38%,#0000 0 1.1rem,#ffffff06 1.2rem 1.28rem);border-radius:50%;position:absolute;inset:0}.landing-planet[data-planet=saturn] .landing-planet__body:after{content:"";border:.7rem solid #e2c685a3;border-color:#e2c685a3 #f8e0a9d6 #e2c685a3 #78623a4d;border-radius:50%;width:176%;height:28%;position:absolute;top:42%;left:-38%;transform:rotate(-12deg);box-shadow:0 0 1.5rem #ddc07a29}.landing-planet__reflection{z-index:1;background:var(--planet-gradient);filter:blur(.35rem)saturate(.72);opacity:.16;transform-origin:top;border-radius:50%;width:68%;height:72%;display:block;position:absolute;top:calc(100% + .6rem);left:16%;transform:scaleY(-1.1)skew(-4deg);-webkit-mask-image:linear-gradient(#000000b3,#0000 76%);mask-image:linear-gradient(#000000b3,#0000 76%)}.landing-planet__ripple{z-index:5;width:150%;height:18%;animation:4s ease-out infinite water-ripple;animation-delay:calc(var(--planet-delay) + 1.35s);border:1px solid #ffffff2e;border-radius:50%;position:absolute;top:calc(100% - .2rem);left:50%;transform:translate(-50%)}.landing-waterline{z-index:6;width:100%;height:1px;transition:scale .8s var(--ease-out), opacity .55s ease, filter .8s ease;background:linear-gradient(90deg,#0000,#ffffff1f 16%,#ffffff52 50%,#ffffff1f 84%,#0000);position:absolute;top:69%;left:0;box-shadow:0 0 2rem #ffffff17}.landing-waterline i{border:1px solid #ffffff13;border-radius:50%;width:34rem;height:4rem;position:absolute;top:50%;left:49%;transform:translate(-50%,-50%)}.landing-waterline i:nth-child(2){opacity:.55;width:58rem;height:7rem}.landing-waterline i:nth-child(3){opacity:.26;width:82rem;height:10rem}.landing-enter{z-index:9;color:#f5f5f794;cursor:pointer;min-height:2.75rem;transition:color .25s ease, translate .3s var(--ease-out), opacity .45s ease;background:0 0;border:0;grid-template-columns:auto 2.5rem auto;align-items:center;gap:.65rem;padding:0;display:grid;position:absolute;bottom:2.4rem;right:clamp(3rem,6vw,7rem)}.landing-enter span,.landing-enter small{letter-spacing:.08em;font-size:.72rem}.landing-enter i{transform-origin:100%;height:1px;transition:scale .35s var(--ease-out);background:currentColor}.landing-enter:hover{color:var(--ink);translate:0 -2px}.landing-enter:hover i{scale:1.22 1}.landing--water.is-entering .landing-wordmark{opacity:0;filter:blur(.6rem);translate:0 -2rem}.landing--water.is-entering{opacity:0;filter:blur(.85rem)brightness(1.08);transform:scale(1.022)}.landing--water.is-entering .landing-planet{animation-play-state:running}.landing--water.is-entering .landing-waterline{opacity:0;filter:blur(.8rem);scale:1.35 15}.landing--water.is-entering .landing-enter{opacity:0}}