@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');
:root{--ink:#020510;--panel:#071326e8;--line:#1b4566;--cyan:#58e5ff;--blue:#3878ff;--violet:#9d62ff;--white:#edfaff;--muted:#8ca9bd;--good:#52ffc3;--danger:#ff6f91}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--ink);color:var(--white);font-family:Inter,sans-serif}body{overflow-x:hidden;background:radial-gradient(circle at 70% 10%,#111951 0,transparent 33%),radial-gradient(circle at 15% 80%,#082c44 0,transparent 35%),#020510}button{font:inherit;color:inherit}#stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}.screen{position:relative;z-index:1;display:none;min-height:100vh;padding:110px clamp(20px,5vw,80px) 50px}.screen.active{display:block}#start{padding-top:7vh;align-content:center;max-width:780px;margin:auto;text-align:center}.signal,.eyebrow,.panel-kicker{font-family:'Chakra Petch';letter-spacing:.22em;color:var(--cyan);font-size:12px}.signal{display:inline-block;padding:8px 14px;border:1px solid #1f5870;background:#071c2b99;margin-bottom:30px}.title-lockup h1{font-family:'Chakra Petch';font-size:clamp(75px,16vw,150px);letter-spacing:-.06em;line-height:.75;margin:20px 0 25px;text-shadow:0 0 35px #2f8cff88;background:linear-gradient(180deg,#fff,#85dcff 60%,#4487ff);-webkit-background-clip:text;color:transparent}.title-lockup p{font-family:'Chakra Petch';font-weight:600;letter-spacing:.35em;color:#9ec3d6}.start-copy{max-width:610px;margin:30px auto;line-height:1.7;color:#9bb4c5}.start-copy b{color:#fff}.menu{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:560px;margin:auto}.menu button,.planet-panel button,.choice,.action-btn{border:1px solid #244a65;background:#07172acc;padding:15px 18px;letter-spacing:.08em;font-family:'Chakra Petch';font-weight:600;cursor:pointer;transition:.2s}.menu button:hover,.choice:hover,.action-btn:hover{border-color:var(--cyan);background:#0b2940;transform:translateY(-2px)}button.primary{background:linear-gradient(100deg,#2465ff,#5b45df);border-color:#618dff;box-shadow:0 0 25px #315cff44}.menu .primary{grid-column:1/-1}.continue-note{font-size:12px;color:var(--muted);margin-top:16px}#hud{position:fixed;z-index:10;top:0;left:0;right:0;height:68px;display:flex;align-items:center;gap:28px;padding:0 clamp(16px,4vw,55px);background:#030914eF;border-bottom:1px solid #17354d;backdrop-filter:blur(18px)}#hud.hidden{display:none}.brand{background:transparent;border:0;font-family:'Chakra Petch';font-size:20px;font-weight:700;letter-spacing:.09em;cursor:pointer}.brand span{font-size:9px;color:var(--cyan);margin-left:5px}.hud-stats{display:flex;gap:18px;margin-left:auto;font-family:'Chakra Petch';font-size:13px}.hud-stats span{color:var(--muted)}.hud-stats b{color:#fff}.rank{padding:4px 10px;border:1px solid #674fb3;color:#c2aaff!important}#hud nav{display:flex;gap:6px}#hud nav button,.back{background:transparent;border:0;color:#9eb1c3;font-family:'Chakra Petch';font-weight:600;font-size:12px;cursor:pointer;padding:10px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;max-width:1400px;margin:0 auto 24px}.section-head h2{font-family:'Chakra Petch';font-size:clamp(35px,5vw,60px);margin:7px 0 0}.objective{max-width:310px;padding:13px 17px;border-left:2px solid var(--cyan);background:#08182c}.objective,.objective b{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em}.objective b{font-size:13px;color:#fff;margin-top:4px}.map-layout{max-width:1400px;margin:auto;display:grid;grid-template-columns:minmax(500px,1fr) 330px;gap:25px}.solar-map{height:650px;position:relative;overflow:hidden;border:1px solid #163850;background:radial-gradient(circle at 11% 50%,#55380022 0 5%,transparent 25%),linear-gradient(150deg,#030a18dd,#06091bdd);box-shadow:inset 0 0 80px #000;border-radius:4px}.sun{position:absolute;left:-75px;top:50%;transform:translateY(-50%);width:160px;height:160px;border-radius:50%;background:radial-gradient(circle at 65%,#fff9b0,#ffa721 40%,#ff5b00 72%);box-shadow:0 0 40px #ff8a00,0 0 100px #ff6a0077}.map-body label,.planet label{position:absolute;color:#d2edff;font:10px 'Chakra Petch';letter-spacing:.08em;white-space:nowrap}.sun label{left:110px;top:70px}.orbit{position:absolute;left:8px;top:50%;transform:translateY(-50%);border:1px solid #21415b88;border-radius:50%;pointer-events:none}.o1{width:190px;height:190px}.o2{width:290px;height:270px}.o3{width:400px;height:350px}.o4{width:530px;height:430px}.o5{width:690px;height:515px}.o6{width:850px;height:580px}.o7{width:1020px;height:625px}.o8{width:1190px;height:665px}.planet{position:absolute;right:-10px;top:50%;transform:translate(50%,-50%);background:transparent;border:0;padding:0;pointer-events:auto;cursor:pointer}.planet span{display:block;width:22px;height:22px;border-radius:50%;background:#bbb;box-shadow:0 0 14px currentColor;transition:.25s}.planet label{left:50%;top:30px;transform:translateX(-50%)}.planet:hover span,.planet.available span{outline:2px solid var(--cyan);outline-offset:5px;transform:scale(1.2)}.planet.locked{filter:grayscale(.8);opacity:.45}.planet.locked:after{content:'◆';position:absolute;font-size:8px;top:-11px;right:-14px;color:#95a5b2}.mercury span{background:#a69583}.venus span{background:#eab065}.earth span{width:34px;height:34px;background:radial-gradient(circle at 35% 30%,#6fd69a 0 12%,#3789d6 15% 55%,#163354)}.mars span{background:#ce6544}.jupiter span{width:49px;height:49px;background:repeating-linear-gradient(#d8b28c 0 6px,#8d604c 7px 11px)}.saturn span{width:42px;height:42px;background:#d5bd79}.saturn:before{content:'';position:absolute;width:68px;height:18px;border:3px solid #c8ae6d;border-radius:50%;left:-13px;top:10px;transform:rotate(-15deg)}.uranus span{width:36px;height:36px;background:#84e0dc}.neptune span{width:35px;height:35px;background:#3c67d9}.planet-panel{border:1px solid #20445f;background:linear-gradient(160deg,#0b1a31ee,#06101fee);padding:28px;height:max-content;min-height:420px;box-shadow:0 20px 50px #0008}.planet-panel h3{font:700 38px 'Chakra Petch';margin:14px 0 0}.planet-type{color:var(--cyan)!important;font:11px 'Chakra Petch';letter-spacing:.08em}.planet-panel p{color:#9db0c1;line-height:1.6;font-size:14px}.fact{border-top:1px solid #193a53;padding:15px 0}.fact span,.fact b{display:block;font-size:10px;color:var(--muted);letter-spacing:.09em}.fact b{font-size:13px;color:#fff;margin-top:5px}.planet-panel .primary{width:100%;margin-top:14px}.mission-top{max-width:1100px;margin:auto;display:flex;justify-content:space-between;color:var(--muted);font:12px 'Chakra Petch'}.mission-content{max-width:1100px;margin:35px auto}.mission-hero{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}.mission-copy h2{font:700 clamp(40px,7vw,75px) 'Chakra Petch';line-height:.94;margin:12px 0}.mission-copy .chapter{color:var(--cyan);font:12px 'Chakra Petch';letter-spacing:.18em}.dialogue{border-left:2px solid var(--violet);padding:16px 20px;background:#0d1230aa;margin:25px 0;color:#afbdd1;line-height:1.65}.dialogue b{display:block;color:#c8aeff;font:12px 'Chakra Petch';letter-spacing:.1em;margin-bottom:5px}.game-panel{border:1px solid #255579;background:#051227e8;padding:25px;box-shadow:0 0 60px #1b58a322 inset}.game-panel h3{font:600 20px 'Chakra Petch';margin-top:0}.game-panel p{color:#a1b7c9;line-height:1.6}.trajectory{height:250px;position:relative;background:radial-gradient(circle at 50%,#173b6e,#020713 65%);overflow:hidden;border:1px solid #21476b;margin:18px 0}.trajectory .core{position:absolute;width:105px;height:105px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(circle at 30%,#80e6a5,#2474ba 45%,#061c3d);box-shadow:0 0 30px #339cff77}.ship{position:absolute;left:50%;top:50%;font-size:25px;transform-origin:-100px 0;animation:orbitShip 4s linear infinite}.trajectory.crash .ship{animation:crashShip 1.5s forwards}.trajectory.escape .ship{animation:escapeShip 1.5s forwards}@keyframes orbitShip{from{transform:translate(100px,-50%) rotate(0)}to{transform:rotate(360deg) translate(100px,-50%) rotate(-360deg)}}@keyframes crashShip{to{left:48%;top:48%;transform:scale(.2)}}@keyframes escapeShip{to{left:110%;top:0%;transform:scale(.6)}}.control label{display:flex;justify-content:space-between;font:12px 'Chakra Petch';color:var(--muted)}input[type=range]{width:100%;accent-color:var(--cyan);margin:14px 0}.feedback{min-height:46px;padding:12px;border:1px solid #1f415a;color:#a5bbcb;font-size:13px;line-height:1.5}.feedback.good{border-color:#328f78;color:var(--good);background:#0a342c}.feedback.bad{border-color:#943c58;color:#ff9bb0;background:#35101c}.choices{display:grid;gap:9px;margin-top:16px}.choice{text-align:left}.choice.correct{border-color:var(--good);background:#0b3b31}.choice.wrong{border-color:var(--danger);background:#3c1421}.action-btn{margin-top:15px}.action-btn:disabled{opacity:.4;cursor:not-allowed}.concept-visual{min-height:360px;display:flex;align-items:center;justify-content:center;position:relative;border:1px solid #204969;background:radial-gradient(circle,#14234e,#020713 68%);overflow:hidden}.big-orbit{width:300px;height:190px;border:2px dashed #39708e;border-radius:50%;position:relative}.big-orbit .visual-sun{position:absolute;width:75px;height:75px;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;background:#ffb326;box-shadow:0 0 40px #ff8d00}.orbiter{position:absolute;top:50%;left:0;transform:translate(-50%,-50%);font-size:42px;transition:.6s}.alignment{display:flex;gap:40px;align-items:center;font-size:70px}.alignment .moveable{cursor:pointer;filter:drop-shadow(0 0 16px #51dfff)}.moon-wheel{width:310px;height:310px;border:1px dashed #39708e;border-radius:50%;position:relative}.moon-earth{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:70px}.moon-pos{position:absolute;font-size:38px;cursor:pointer;left:50%;top:2%;transform:translate(-50%,-50%)}.mission-progress{display:flex;gap:6px;margin:25px 0}.mission-progress i{height:4px;flex:1;background:#19364b}.mission-progress i.done{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}.library-screen{max-width:1400px;margin:auto}.sub{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{min-height:180px;border:1px solid #1c3a54;background:#071326df;padding:22px}.card.locked{filter:grayscale(1);opacity:.35}.card .icon{font-size:32px}.card h3{font:600 18px 'Chakra Petch';margin:18px 0 8px}.card p{font-size:13px;color:#9cb0c2;line-height:1.6}.profile{display:flex;align-items:center;gap:18px;padding:25px;border:1px solid #234b67;background:#071426;margin-bottom:24px}.avatar{width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#2f87ff,#7c3de5);font:700 25px 'Chakra Petch'}.profile span{display:block;color:var(--muted);margin-top:4px;font-size:13px}.xpbar{height:8px;background:#172a3a;flex:1;margin-left:30px;overflow:hidden}.xpbar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));width:0}.achievement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.achievement{border:1px solid #1a3a54;background:#071326;padding:20px;display:flex;gap:14px;align-items:center}.achievement.locked{opacity:.3}.achievement .badge{font-size:30px}.achievement b{font:600 14px 'Chakra Petch'}.achievement span{display:block;font-size:11px;color:var(--muted);margin-top:4px}#toast{position:fixed;z-index:50;right:25px;bottom:25px;padding:15px 20px;border:1px solid var(--cyan);background:#07192cf0;transform:translateY(120px);opacity:0;transition:.3s;font:13px 'Chakra Petch';box-shadow:0 0 25px #23bce044}#toast.show{transform:none;opacity:1}
@media(max-width:850px){#hud{height:auto;min-height:64px;flex-wrap:wrap;padding:12px 18px}.hud-stats{order:2;width:100%;justify-content:center}.hud-stats .rank{display:none}#hud nav{display:none}.screen{padding:130px 16px 30px}.menu{grid-template-columns:1fr}.menu .primary{grid-column:auto}.map-layout,.mission-hero{grid-template-columns:1fr}.solar-map{height:500px}.planet-panel{min-height:0}.section-head{align-items:start}.objective{display:none}.mission-hero{gap:20px}.mission-copy h2{font-size:45px}.concept-visual{min-height:280px}.alignment{gap:10px;font-size:45px}}
@media(max-width:520px){.title-lockup h1{font-size:72px}.title-lockup p{font-size:11px;letter-spacing:.16em}.solar-map{height:390px}.orbit{transform:translateY(-50%) scale(.7);transform-origin:left center}.planet-panel{padding:20px}.section-head h2{font-size:38px}.alignment{font-size:34px}.hud-stats{font-size:11px}}

/* Cinematic orbital traffic */
.orbital-scene{perspective:900px;min-height:430px}.mission-earth{position:absolute;z-index:4;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle at 28% 23%,#d3fbff 0 3%,#77de9e 5% 17%,#2f88d0 22% 55%,#07182c 80%);box-shadow:inset -25px -15px 35px #000b,0 0 45px #2f9cff77}.rocket-orbit{position:absolute;left:50%;top:50%;border:1px solid #4fcbff66;border-radius:50%;transform-style:preserve-3d}.rocket-orbit i{position:absolute;font-style:normal;font-size:25px;left:50%;top:0;filter:drop-shadow(-10px 3px 5px #36ddff)}.rocket-orbit-a{width:330px;height:170px;animation:spinOrbitA 5s linear infinite}.rocket-orbit-b{width:270px;height:250px;animation:spinOrbitB 7s linear infinite reverse}.rocket-orbit-c{width:390px;height:220px;animation:spinOrbitC 9s linear infinite}.rocket-orbit-b i{font-size:19px}.rocket-orbit-c i{font-size:16px}.orbit-scan{position:absolute;width:250px;height:250px;border-radius:50%;border:1px dashed #55e4ff44;animation:pulseScan 2.4s ease-out infinite}.orbit-label{position:absolute;bottom:22px;color:#70dfff;font:10px 'Chakra Petch';letter-spacing:.16em}.orbital-scene:after{content:'';position:absolute;z-index:8;width:160px;height:65px;left:50%;top:50%;transform:translate(-50%,0);background:linear-gradient(transparent,#020713cc);border-radius:0 0 90px 90px;pointer-events:none}.trajectory{perspective:600px}.trajectory .core{z-index:4;background:radial-gradient(circle at 28% 24%,#b8f4ff 0 3%,#5acf91 5% 18%,#2474ba 28% 57%,#061c3d 78%);box-shadow:inset -18px -12px 25px #020817aa,0 0 30px #339cff77}.orbit-ring{position:absolute;left:50%;top:50%;border:1px solid #68dfff66;border-radius:50%;transform:translate(-50%,-50%) rotateX(63deg);box-shadow:0 0 12px #2ad5ff22}.ring-one{width:245px;height:155px}.ring-two{width:185px;height:118px;transform:translate(-50%,-50%) rotateX(68deg) rotateZ(48deg)}.trajectory .ship{z-index:6;font-size:27px;filter:drop-shadow(-8px 3px 5px #20cfff)}.ship em{position:absolute;width:25px;height:4px;right:20px;top:14px;background:linear-gradient(90deg,transparent,#49e9ff);filter:blur(2px)}.support-ship{position:absolute;z-index:2;left:50%;top:50%;font-size:17px;filter:drop-shadow(-5px 2px 4px #9b6cff)}.support-one{transform-origin:-78px 0;animation:orbitShipSmall 6s linear infinite}.support-two{transform-origin:-125px 0;animation:orbitShipWide 8s linear infinite reverse}@keyframes spinOrbitA{from{transform:translate(-50%,-50%) rotateX(66deg) rotateZ(0)}to{transform:translate(-50%,-50%) rotateX(66deg) rotateZ(360deg)}}@keyframes spinOrbitB{from{transform:translate(-50%,-50%) rotateX(73deg) rotateZ(60deg)}to{transform:translate(-50%,-50%) rotateX(73deg) rotateZ(420deg)}}@keyframes spinOrbitC{from{transform:translate(-50%,-50%) rotateX(58deg) rotateZ(130deg)}to{transform:translate(-50%,-50%) rotateX(58deg) rotateZ(490deg)}}@keyframes pulseScan{0%{transform:scale(.5);opacity:0}35%{opacity:.6}100%{transform:scale(1.5);opacity:0}}@keyframes orbitShipSmall{from{transform:rotate(30deg) translate(78px) rotate(90deg) scale(.65)}to{transform:rotate(390deg) translate(78px) rotate(90deg) scale(.65)}}@keyframes orbitShipWide{from{transform:rotate(190deg) translate(125px) rotate(90deg) scale(.75)}to{transform:rotate(550deg) translate(125px) rotate(90deg) scale(.75)}}