@font-face{font-family:Fredoka;font-style:normal;font-weight:300 700;font-stretch:75% 125%;font-display:swap;src:url(/assets/Fredoka-VariableFont_wdth_wght-DbxtNlKw.ttf)format("truetype-variations"),url(/assets/Fredoka-VariableFont_wdth_wght-DbxtNlKw.ttf)format("truetype")}:root{--lk-blu-notte:#2d325a;--lk-verde-kids:#00d2b4;--lk-rosso-corallo:#ff5252;--lk-giallo-matita:gold;--lk-nuvola-chiara:#f0f4f8;--lk-bianco:#fff;--lk-nero-soft:#1a1d36;--lk-verde-10:#e0f9f5;--lk-verde-20:#c2f4eb;--lk-rosso-10:#ffe5e5;--lk-rosso-20:#fcc;--lk-giallo-10:#fff8cc;--lk-giallo-20:#ffec99;--lk-blu-10:#e5e7ee;--lk-blu-20:#c5c9d9;--lk-gray-50:#f7f9fc;--lk-gray-100:#f0f4f8;--lk-gray-200:#dce3ec;--lk-gray-300:#b8c2d1;--lk-gray-400:#8c97ab;--lk-gray-500:#5e6884;--lk-gray-600:#3f476a;--lk-gray-700:#2d325a;--bg-page:var(--lk-nuvola-chiara);--bg-section:var(--lk-bianco);--bg-section-alt:var(--lk-nuvola-chiara);--bg-card:var(--lk-bianco);--fg-1:var(--lk-blu-notte);--fg-2:var(--lk-gray-600);--fg-3:var(--lk-gray-500);--fg-on-color:var(--lk-bianco);--border-soft:var(--lk-gray-200);--border-strong:var(--lk-gray-300);--accent-primary:var(--lk-verde-kids);--accent-info:var(--lk-blu-notte);--accent-warning:var(--lk-giallo-matita);--accent-danger:var(--lk-rosso-corallo);--accent-success:var(--lk-verde-kids);--link:var(--lk-verde-kids);--link-hover:#00b89d;--font-primary:"Fredoka", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--fw-regular:400;--fw-medium:500;--fw-semi:600;--fw-bold:700;--fw-extra:800;--fw-black:900;--fs-h1:clamp(2.25rem, 4vw, 3.5rem);--fs-h2:clamp(1.75rem, 3vw, 2.5rem);--fs-h3:clamp(1.375rem, 2vw, 1.75rem);--fs-h4:1.25rem;--fs-body:1.0625rem;--fs-sm:.9375rem;--fs-xs:.8125rem;--fs-button:1rem;--lh-tight:1.15;--lh-snug:1.3;--lh-body:1.5;--lh-loose:1.7;--ls-cap:1px;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--radius-pill:9999px;--shadow-card:0 8px 24px #2d325a0d;--shadow-hover:0 14px 34px #2d325a1a;--shadow-pop:0 18px 50px #2d325a26;--shadow-press:0 2px 6px #2d325a14 inset;--shadow-focus:0 0 0 4px #00d2b44d;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-bounce:cubic-bezier(.34, 1.56, .64, 1);--dur-fast:.14s;--dur-base:.22s;--dur-slow:.4s}html{font-family:var(--font-primary);color:var(--fg-1)}body{background:var(--bg-page);color:var(--fg-1);font-family:var(--font-primary);font-size:var(--fs-body);line-height:var(--lh-body);font-weight:var(--fw-regular);-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3,h4{font-family:var(--font-primary);color:var(--lk-blu-notte);line-height:var(--lh-tight);letter-spacing:-.01em;margin:0 0 var(--sp-4)}h1{font-size:var(--fs-h1);font-weight:700;font-stretch:115%}h2{font-size:var(--fs-h2);font-weight:700;font-stretch:110%}h3{font-size:var(--fs-h3);font-weight:700}h4{font-size:var(--fs-h4);font-weight:600}p{margin:0 0 var(--sp-4);color:var(--fg-2);line-height:var(--lh-body)}small,.meta{font-size:var(--fs-sm);color:var(--fg-3)}strong,b{font-weight:var(--fw-bold);color:var(--fg-1)}a{color:var(--link);font-weight:var(--fw-bold);transition:color var(--dur-fast) var(--ease-out);text-decoration:none}a:hover{color:var(--link-hover);text-underline-offset:3px;text-decoration:underline}::selection{background:var(--lk-giallo-20);color:var(--lk-blu-notte)}.lk-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:var(--sp-5);transition:transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out)}.lk-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}.lk-btn{font-family:var(--font-primary);font-weight:var(--fw-bold);font-size:var(--fs-button);letter-spacing:var(--ls-cap);text-transform:uppercase;border-radius:var(--radius-pill);cursor:pointer;transition:transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 30px;display:inline-flex}.lk-btn-primary{background:var(--lk-verde-kids);color:#fff;box-shadow:0 6px #00a78f}.lk-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px #00a78f}.lk-btn-primary:active{transform:translateY(2px);box-shadow:0 2px #00a78f}.lk-btn-secondary{background:var(--lk-bianco);color:var(--lk-blu-notte);box-shadow:inset 0 0 0 2px var(--lk-blu-notte)}.lk-btn-secondary:hover{background:var(--lk-blu-notte);color:#fff}.lk-btn-warning{background:var(--lk-giallo-matita);color:var(--lk-blu-notte);box-shadow:0 6px #c9a800}.lk-btn-danger{background:var(--lk-rosso-corallo);color:#fff;box-shadow:0 6px #c73b3b}.site-banner{background:var(--lk-bianco);border-bottom:1px solid var(--lk-gray-100);justify-content:center;align-items:center;padding:20px 24px;display:flex}.site-banner img{width:auto;max-height:110px;display:block}.lk-nav-wrap{padding:16px 20px 0}.lk-navbar{background:var(--lk-bianco);border-radius:var(--radius-pill);box-shadow:var(--shadow-card);align-items:center;gap:16px;max-width:1200px;margin:0 auto;padding:8px 12px 8px 20px;display:flex}.lk-navbar-brand{flex-shrink:0;align-items:center;gap:10px;display:flex;text-decoration:none!important}.lk-navbar-brand:hover{text-decoration:none!important}.lk-navbar-wordmark{font-weight:var(--fw-bold);color:var(--lk-blu-notte);letter-spacing:-.01em;font-size:1.1rem}.lk-navbar-links{flex:1;justify-content:center;gap:4px;display:flex}.lk-navbar-link{border-radius:var(--radius-pill);font-weight:var(--fw-bold);transition:background var(--dur-base) var(--ease-out);padding:9px 16px;font-size:.875rem;color:var(--lk-blu-notte)!important;text-decoration:none!important}.lk-navbar-link:hover{background:var(--lk-gray-100);text-decoration:none!important}.lk-navbar-link.active{background:var(--lk-gray-100)}.lk-navbar-link.verde{color:var(--lk-verde-kids)!important}.lk-navbar-link.verde:hover{background:var(--lk-verde-10)}.lk-navbar-cta{background:var(--lk-verde-kids);font-weight:var(--fw-bold);letter-spacing:var(--ls-cap);text-transform:uppercase;border-radius:var(--radius-pill);transition:transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);flex-shrink:0;align-items:center;padding:10px 22px;font-size:.8125rem;display:inline-flex;box-shadow:0 5px #00a78f;color:#fff!important;text-decoration:none!important}.lk-navbar-cta:hover{transform:translateY(-2px);box-shadow:0 7px #00a78f}.lk-navbar-cta:active{transform:translateY(2px);box-shadow:0 2px #00a78f}@media (width<=768px){.lk-nav-wrap{display:none}}.lk-footer{background:var(--lk-bianco);border-top:1px solid var(--lk-gray-200);margin-top:auto;padding:40px 24px 24px}.lk-footer-inner{border-bottom:1px solid var(--lk-gray-100);grid-template-columns:1.6fr .8fr .8fr;gap:40px;max-width:1200px;margin:0 auto;padding-bottom:24px;display:grid}.lk-footer-brand .lk-footer-logo{align-items:center;gap:10px;margin-bottom:12px;display:flex;text-decoration:none!important}.lk-footer-brand .lk-footer-logo b{font-size:1.05rem;font-weight:var(--fw-bold);color:var(--lk-blu-notte)}.lk-footer-brand p{color:var(--lk-gray-500);max-width:300px;font-size:.8125rem;line-height:1.6;font-weight:var(--fw-regular);margin:0}.lk-footer-col-heading{color:var(--lk-blu-notte);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:.75rem;font-weight:800}.lk-footer-col-link{transition:color var(--dur-fast) var(--ease-out);margin-bottom:8px;font-size:.875rem;font-weight:600;display:block;color:var(--lk-gray-500)!important;text-decoration:none!important}.lk-footer-col-link:hover{color:var(--lk-verde-kids)!important}.lk-footer-bottom{max-width:1200px;color:var(--lk-gray-400);font-size:.75rem;font-weight:var(--fw-regular);flex-wrap:wrap;justify-content:space-between;gap:8px;margin:20px auto 0;display:flex}@media (width<=768px){.lk-footer-inner{grid-template-columns:1fr;gap:24px}.lk-footer-bottom{flex-direction:column;gap:4px}}.page-hero{background:linear-gradient(135deg,#e0f9f5 0%,#f4fbfa 100%);border:1px solid #c2f4eb;border-radius:28px;margin-bottom:30px;padding:44px 52px;position:relative;overflow:hidden}.page-hero:before{opacity:.18;font-size:9rem;line-height:1;position:absolute;top:50%;right:40px;transform:translateY(-50%)}.page-hero h1{font-family:var(--font-primary);color:var(--lk-blu-notte);margin-bottom:12px;font-size:2.4rem;font-weight:700}.page-hero p{color:var(--lk-gray-600);max-width:520px;margin:0;font-size:1.1rem;line-height:1.6}@media (width<=640px){.page-hero{padding:32px 26px}.page-hero h1{font-size:1.8rem}.page-hero:before{display:none}}:root{--sp-accent:#feca57;--sp-glass-bg:#141428d9;--sp-glass-border:#fff3;--sp-text-light:#f5f6fa;--sp-text-dark:#2d3436}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:radial-gradient(circle at bottom,#192a56,#2f3640,#000);min-height:100vh}.spazio-root{font-family:var(--font-primary);color:var(--sp-text-light);text-transform:uppercase;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.stars-container{z-index:0;pointer-events:none;position:fixed;inset:0}.star{background:#fff;border-radius:50%;animation:linear infinite twinkle;position:absolute}@keyframes twinkle{0%{opacity:.2;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}to{opacity:.2;transform:scale(.8)}}.game-container{width:95%;max-width:900px;height:calc(100vh - var(--lk-nav-h) - 16px);background:var(--sp-glass-bg);z-index:1;border-radius:30px;flex-direction:column;padding:20px;display:flex;box-shadow:0 10px 40px #00000080}.screen{flex-direction:column;height:100%;display:flex}.menu-screen{justify-content:center;align-items:center;gap:30px}header{text-align:center}.btn-portal-link{color:#ffffff73;font-family:var(--font-primary);letter-spacing:.05em;margin-top:8px;font-size:1rem;text-decoration:none;transition:color .15s;display:inline-block}.btn-portal-link:hover{color:var(--sp-accent)}h1{font-family:var(--font-primary);color:var(--sp-accent);text-shadow:0 4px 10px #00000080;margin-bottom:10px;font-size:3rem}.subtitle{color:#dcdde1;font-size:1.2rem;font-weight:800}.settings-panel{border:1px solid var(--sp-glass-border);background:#ffffff1a;border-radius:20px;flex-direction:column;gap:30px;width:100%;max-width:600px;padding:30px;display:flex}.setting-group{text-align:center}.setting-group h2{font-family:var(--font-primary);color:#00cec9;margin-bottom:15px;font-size:1.5rem}.options{justify-content:center;gap:15px;display:flex}.options button{font-size:1.2rem;font-family:var(--font-primary);cursor:pointer;color:var(--sp-text-dark);text-transform:uppercase;background:#fffc;border:3px solid #0000;border-radius:15px;flex:1;padding:15px;transition:all .2s;box-shadow:0 4px #0003}.options button:hover{filter:brightness(1.1);transform:translateY(-2px)}.options button.active{background:var(--sp-accent);box-shadow:0 0 15px var(--sp-accent);border-color:#fff}.big-action-btn{background:var(--lk-verde-kids);color:#fff;font-family:var(--font-primary);border-radius:var(--radius-pill);cursor:pointer;text-transform:uppercase;border:none;margin:0 auto;padding:15px 40px;font-size:2rem;transition:all .2s;display:block;box-shadow:0 8px #00a78f}.big-action-btn:hover{transform:translateY(-3px);box-shadow:0 11px #00a78f}.big-action-btn:active{transform:translateY(6px);box-shadow:0 2px #00a78f}.top-bar{background:#0000004d;border-radius:20px;justify-content:space-between;align-items:center;margin-bottom:15px;padding:10px 20px;display:flex}.nav-btn{height:40px;padding:0 var(--sp-4);background:var(--lk-bianco);color:var(--lk-blu-notte);border:2px solid var(--lk-gray-200);border-radius:var(--radius-pill);font-family:var(--font-primary);font-weight:var(--fw-bold);letter-spacing:.04em;text-transform:uppercase;cursor:pointer;white-space:nowrap;align-items:center;font-size:.95rem;transition:transform .1s,border-color .1s,color .1s;display:inline-flex}.nav-btn:active{transform:translateY(2px)}.score-container{align-items:center;gap:15px;display:flex}.score-text{font-family:var(--font-primary);color:var(--sp-accent);font-size:1.2rem}.progress-bar-bg{background:#fff3;border:2px solid #ffffff80;border-radius:10px;width:200px;height:20px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,#feca57,#ff9f43);width:0%;height:100%;transition:width .3s}.score-display{font-family:var(--font-primary);font-size:1.5rem}.game-area{flex-direction:column;flex:1;align-items:center;gap:20px;display:flex;position:relative}.guide-character{background:#ffffff1a;border-radius:20px;align-items:center;gap:15px;padding:10px 20px;display:flex}.astronaut{font-size:3rem;animation:3s ease-in-out infinite floatChar}@keyframes floatChar{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.speech-bubble{color:var(--sp-text-dark);background:#fff;border:3px solid #00cec9;border-radius:20px;padding:10px 20px;font-size:1.2rem;font-weight:700}.equation-panel{border:4px solid var(--sp-accent);background:#0006;border-radius:20px;padding:20px 50px;box-shadow:0 0 20px #feca574d}.equation-display{font-family:var(--font-primary);color:#fff;text-shadow:0 0 10px #00cec9,0 0 20px #00cec9;letter-spacing:5px;font-size:4rem}.asteroids-container{flex:1;justify-content:space-around;align-items:center;width:100%;padding:20px 0;display:flex}.asteroid{cursor:pointer;background:#7f8fa6;border-radius:40% 60% 70% 30%/40% 50% 60%;justify-content:center;align-items:center;width:120px;height:120px;transition:transform .2s;animation:4s ease-in-out infinite alternate drift;display:flex;box-shadow:inset -10px -10px 20px #00000080,0 10px 20px #0006}.asteroid:nth-child(2){background:#718093;border-radius:60% 40% 30% 70%/60% 30% 70% 40%;animation-duration:5s;animation-delay:-1s}.asteroid:nth-child(3){background:#a4b0be;border-radius:50% 50% 40% 60%/40% 60% 50% 50%;animation-duration:3.5s;animation-delay:-2s}@keyframes drift{0%{transform:translateY(-10px)rotate(-5deg)}to{transform:translateY(10px)rotate(5deg)}}.asteroid:hover{filter:brightness(1.2);transform:scale(1.1)}.asteroid .ast-number{font-family:var(--font-primary);color:#fff;text-shadow:2px 2px #2d3436;font-size:3rem}.rocket-pad{flex-direction:column;justify-content:flex-end;align-items:center;height:100px;display:flex}.rocket{filter:drop-shadow(0 10px 10px #00000080);font-size:5rem;transition:transform .5s}.shake{animation:.4s shake}@keyframes shake{0%{transform:translate(1px,1px)rotate(0)}20%{transform:translate(-3px)rotate(-10deg)}40%{transform:translate(3px,-2px)rotate(10deg)}60%{transform:translate(-3px,2px)rotate(-10deg)}80%{transform:translate(1px,-1px)rotate(10deg)}to{transform:translate(0)rotate(0)}}.pop-out{animation:.4s forwards popOut}@keyframes popOut{0%{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.5)}to{opacity:0;transform:scale(0)}}.fly-away{animation:2s ease-in forwards flyAway}@keyframes flyAway{0%{transform:translateY(0)scale(1)}20%{transform:translateY(10px)scale(.9)}to{transform:translateY(-1000px)scale(1.5)}}.modal{z-index:100;background:#000000bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{text-align:center;color:var(--sp-text-dark);background:#fff;border-radius:30px;padding:40px}.modal-content h2{font-family:var(--font-primary);color:#0984e3;margin-bottom:10px;font-size:2.5rem}.modal-content p{text-transform:none;margin-bottom:5px;font-size:1.1rem}.feedback-emoji{margin:20px 0;font-size:5rem}.confetti-container{pointer-events:none;z-index:99;position:fixed;inset:0}.confetti{width:15px;height:15px;animation:linear forwards fall;position:absolute}@keyframes fall{0%{opacity:1;transform:translateY(-100px)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(720deg)}}.mobile-intro,.mobile-game{display:none}@media (width<=600px){.game-container{display:none}.mobile-intro{min-height:calc(100vh - var(--lk-nav-h));z-index:1;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:20px;display:flex}.mobile-intro.hidden{display:none}.mobile-intro header{text-align:center}.mobile-intro h1{margin-bottom:5px;font-size:1.8rem}.mobile-intro .subtitle{font-size:.85rem}.mobile-intro .settings-panel{gap:16px;max-width:100%;padding:16px}.mobile-intro .setting-group h2{margin-bottom:8px;font-size:1.1rem}.mobile-intro .options button{padding:10px 8px;font-size:.95rem}.mobile-intro .big-action-btn{padding:12px 25px;font-size:1.4rem}.mobile-game{inset:var(--lk-nav-h) 0 0 0;z-index:1;flex-direction:column;display:flex;position:fixed}.mobile-game.hidden{display:none}.mobile-top{background:#141428e6;border-bottom:2px solid #fff3;flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.mobile-top .nav-btn{height:38px;padding:0 var(--sp-3);font-size:.9rem}.mobile-top .score-text{font-size:1.2rem}.mobile-top .progress-bar-bg{width:110px;height:16px}.mobile-top .score-display{font-size:1rem}.mobile-tray{flex-direction:column;flex:1;align-items:center;gap:10px;min-height:0;padding:10px 12px;display:flex;overflow-y:auto}.guide-character{gap:8px;padding:6px 12px}.astronaut{font-size:2rem}.speech-bubble{padding:6px 12px;font-size:.85rem}.equation-panel{padding:10px 20px}.equation-display{letter-spacing:2px;font-size:2.2rem}.asteroids-container{padding:10px 0}.asteroid{width:80px;height:80px}.asteroid .ast-number{font-size:2rem}.rocket-pad{height:60px}.rocket{font-size:3.5rem}.modal-content{margin:15px;padding:20px}.modal-content h2{font-size:1.8rem}.feedback-emoji{margin:10px 0;font-size:3.5rem}}