.planet-container{max-width:1200px;margin:0 auto;padding:100px 20px 80px;position:relative;z-index:10}.hero-section{display:flex;align-items:center;justify-content:space-between;min-height:60vh;margin-bottom:80px;gap:40px}.planet-info{flex:1;max-width:500px;z-index:2;padding:40px}.planet-info h1{font-size:5rem;color:var(--accent-color);margin-bottom:15px;text-transform:uppercase;letter-spacing:8px;font-weight:800;text-shadow:0 0 30px rgba(160,32,240,.3)}.planet-info h2{font-size:1.8rem;margin-bottom:20px;opacity:.8;font-weight:400}#single-planet-canvas{flex:1.5;height:50vh;width:100%;display:block;position:relative;z-index:1}.tabs-section{margin-bottom:100px;padding:50px}.tab-buttons{display:flex;border-bottom:1px solid var(--glass-border);margin-bottom:40px;gap:20px}.tab-btn{background:transparent;border:none;color:var(--text-secondary);padding:20px 40px;font-size:1.2rem;cursor:pointer;transition:all .3s ease;border-bottom:3px solid transparent;font-weight:500}.tab-btn:hover{color:var(--text-primary);background:#ffffff08}.tab-btn.active{color:var(--accent-color);border-bottom-color:var(--accent-color)}.tab-content{display:none;line-height:1.8;font-size:1.15rem;color:var(--text-secondary)}.tab-content p{margin-bottom:25px}.tab-content ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.tab-content ul li{background:#ffffff08;padding:20px;border-radius:12px;border:1px solid var(--glass-border)}.tab-content ul li strong{color:var(--accent-color);display:block;margin-bottom:5px;font-size:.9rem;text-transform:uppercase;letter-spacing:1px}.tab-content.active{display:block;animation:fadeIn .6s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.quiz-section{text-align:center;margin-top:120px;padding:60px}.quiz-section h2{font-size:2.5rem;margin-bottom:40px;letter-spacing:4px}.moons-section-title{width:100%;font-size:1.4rem;color:var(--accent-color);margin:20px 0 15px;letter-spacing:2px;text-transform:uppercase;border-left:4px solid var(--accent-color);padding-left:15px}.major-moons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:40px}.major-moon-card{background:var(--glass-bg);border:1px solid var(--glass-border);padding:25px;border-radius:20px;display:flex;align-items:center;gap:15px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);cursor:default}.major-moon-card:hover{background:#ffffff14;transform:translateY(-5px) scale(1.02);border-color:var(--accent-color);box-shadow:0 10px 30px #0000004d}.minor-moons-container{background:#0003;border-radius:20px;padding:25px;border:1px solid var(--glass-border)}.minor-moons-list{display:flex;flex-wrap:wrap;gap:10px;padding-right:10px}.minor-moons-list::-webkit-scrollbar{width:6px}.minor-moons-list::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:10px}.minor-moon-tag{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:8px 16px;border-radius:30px;font-size:.9rem;color:#fff9;transition:all .3s ease}.minor-moon-tag:hover{background:#ffffff1a;color:#fff;border-color:var(--accent-color)}.moon-cta-card{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#ffffff1a,#a020f01a);border:2px solid var(--accent-color);padding:50px;border-radius:30px;text-decoration:none;color:#fff;position:relative;overflow:hidden;transition:all .5s cubic-bezier(.4,0,.2,1);animation:moonPulse 3s infinite ease-in-out;max-width:500px;margin:40px auto}.moon-cta-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(160,32,240,.2) 0%,transparent 70%);opacity:0;transition:opacity .5s ease}.moon-cta-card:hover{transform:scale(1.05) translateY(-10px);box-shadow:0 0 50px #a020f080,inset 0 0 20px #a020f04d;border-color:#d8b4fe}.moon-cta-card:hover:before{opacity:1}.moon-cta-card h3{font-size:2.5rem;margin-bottom:10px;letter-spacing:5px;text-transform:uppercase;font-weight:800}.moon-cta-card .cta-text{font-size:1.1rem;opacity:.8;display:flex;align-items:center;gap:10px;letter-spacing:2px}.moon-cta-card .cta-icon{font-size:1.5rem;transition:transform .3s ease}.moon-cta-card:hover .cta-icon{transform:translate(10px)}@keyframes moonPulse{0%{box-shadow:0 0 20px #a020f033}50%{box-shadow:0 0 40px #a020f066}to{box-shadow:0 0 20px #a020f033}}.side-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:100;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);color:#fff;width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:28px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);cursor:pointer}.side-nav:hover{background:var(--accent-color);transform:translateY(-50%) scale(1.15);box-shadow:0 0 30px #a020f099;border-color:transparent}.side-nav.prev{left:40px}.side-nav.next{right:40px}@media(max-width:1024px){.hero-section{flex-direction:column-reverse;text-align:center;height:auto}.planet-info{max-width:100%}#single-planet-canvas{width:100%;height:400px}}@media(max-width:768px){.planet-container{padding:80px 10px 40px}.hero-section{flex-direction:column-reverse;text-align:center;gap:20px;margin-bottom:40px;position:relative}.planet-info{max-height:45vh;overflow-y:auto;background:linear-gradient(to bottom,#000c,#0006);position:absolute;bottom:0;left:0;width:100%;z-index:10;padding-top:25px;padding-bottom:20px;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-top:1px solid rgba(255,255,255,.1)}.planet-info.glass-panel{background:#0000008c!important;backdrop-filter:blur(30px)!important;-webkit-backdrop-filter:blur(30px)!important;border:1px solid rgba(255,255,255,.2)!important}.description-text{color:#f0f0f0;text-shadow:0 1px 3px rgba(0,0,0,.8)}.planet-info h1{font-size:3rem;letter-spacing:5px;font-weight:700;text-shadow:0 2px 10px rgba(0,0,0,.9)}.planet-info h2{font-size:1.4rem}.planet-info p{font-size:1rem}#single-planet-canvas{height:65vh;width:100%}.tabs-section{padding:20px;margin-bottom:50px}.tab-buttons{flex-direction:column;gap:10px;border-bottom:none}.tab-btn{padding:10px;border:1px solid var(--glass-border);border-radius:10px;width:100%;text-align:center}.tab-btn.active{background:#a020f033;border-color:var(--accent-color)}.quiz-section{padding:30px 15px;margin-top:50px}.quiz-section h2{font-size:1.8rem;letter-spacing:2px;margin-bottom:20px}.options-grid{display:flex;flex-direction:column;gap:10px;margin:20px auto}.option-label{font-size:1rem;padding:15px}.option-label input{margin-right:15px;transform:scale(1.2)}.side-nav{width:44px;height:44px;font-size:20px}.side-nav.prev{left:8px}.side-nav.next{right:8px}.cards-grid{display:flex;flex-direction:column;gap:15px}}.quiz-progress{display:flex;justify-content:center;gap:12px;margin:30px 0}.progress-dot{width:14px;height:14px;border-radius:50%;background:var(--glass-border);transition:.4s}.progress-dot.active{background:var(--accent-color);box-shadow:0 0 15px var(--accent-color);transform:scale(1.2)}.options-grid{display:grid;grid-template-columns:1fr;gap:20px;max-width:700px;margin:40px auto}.option-label{background:var(--glass-bg);border:1px solid var(--glass-border);padding:20px 30px;border-radius:15px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;font-size:1.1rem}.option-label:hover{background:#a020f026;border-color:var(--accent-color);transform:translate(10px)}.option-label input{margin-right:20px;accent-color:var(--accent-color);transform:scale(1.4)}.option-label.correct{border-color:#4caf50;background:#4caf5033;box-shadow:0 0 20px #4caf5033}.option-label.wrong{border-color:#f44336;background:#f4433633;box-shadow:0 0 20px #f4433633}.option-label.correct,.option-label.wrong{transition:background .3s ease,border-color .3s ease,box-shadow .3s ease}.planet-container{animation:pageFadeIn .6s ease-out}@keyframes pageFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}