*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0d0d14;--bg2:#161620;--bg3:#1e1e2a;--surface:#232333;--border:#2e2e42;--text:#e8e8f0;--text-muted:#8888a8;--text-dim:#6a6a88;--gold:#f5a623;--gold-light:#ffc85c;--gold-dim:#f5a6231a;--gold-border:#f5a62340;--amber:#e8963a;--brown:#8b6914;--green:#4ade80;--green-dim:#4ade801a;--green-border:#4ade8040;--red:#f87171;--red-dim:#f871711a;--red-border:#f8717140;--blue:#60a5fa;--blue-dim:#60a5fa1a;--radius:12px;--radius-sm:8px;--radius-lg:16px;--max-width:800px;--nav-height:60px}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.65}a{color:var(--gold);text-decoration:none;transition:color .15s}a:hover{color:var(--gold-light)}.nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--nav-height);background:#0d0d14d9;align-items:center;padding:0 24px;display:flex;position:sticky;top:0}.nav-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;width:100%;margin:0 auto;display:flex}.nav-logo{color:var(--text);align-items:center;gap:8px;font-size:1.15rem;font-weight:700;display:flex}.nav-logo span{color:var(--gold)}.nav-links{gap:24px;list-style:none;display:flex}.nav-links a{color:var(--text-muted);font-size:.9rem;font-weight:500;transition:color .15s}.nav-links a:hover,.nav-links a.active{color:var(--gold)}.page{max-width:var(--max-width);margin:0 auto;padding:40px 24px 80px}.page-wide{max-width:960px}.hero{text-align:center;max-width:var(--max-width);margin:0 auto;padding:80px 24px 60px}.hero-mascot{margin-bottom:16px;font-size:4rem;display:block}.hero-mascot-img{object-fit:cover;border:3px solid var(--gold);border-radius:50%;width:120px;height:120px;margin-bottom:16px;box-shadow:0 0 24px #ffb3004d}.hero 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h3{margin-bottom:2px;font-size:1.1rem;font-weight:600}.module-info p{color:var(--text-muted);font-size:.85rem;line-height:1.5}.module-badge{white-space:nowrap;border-radius:20px;padding:4px 10px;font-size:.75rem;font-weight:600}.module-badge.complete{background:var(--green-dim);color:var(--green);border:1px solid var(--green-border)}.module-badge.in-progress{background:var(--gold-dim);color:var(--gold);border:1px solid var(--gold-border)}.module-lessons{border-top:1px solid var(--border);margin-top:16px;padding-top:12px;list-style:none}.module-lessons li{align-items:center;gap:10px;padding:10px 0;display:flex}.module-lessons li+li{border-top:1px solid #2e2e4280}.lesson-check{border:2px solid var(--border);color:#0000;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:.7rem;display:flex}.lesson-check.done{background:var(--green);border-color:var(--green);color:#0d0d14}.lesson-link{color:var(--text);flex:1;font-size:.95rem}.lesson-link:hover{color:var(--gold)}.lesson-score{color:var(--text-muted);font-size:.8rem}.progress-container{margin-bottom:32px}.progress-label{color:var(--text-muted);justify-content:space-between;margin-bottom:8px;font-size:.85rem;display:flex}.progress-bar{background:var(--bg3);border-radius:4px;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--gold), var(--amber));border-radius:4px;height:100%;transition:width .4s}.breadcrumb{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:24px;font-size:.85rem;display:flex}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--gold)}.breadcrumb 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h3{font-size:1.2rem;font-weight:700}.quiz-progress{color:var(--text-muted);margin-bottom:24px;font-size:.85rem}.quiz-question{margin-bottom:20px;font-size:1.05rem;font-weight:600;line-height:1.5}.quiz-options{flex-direction:column;gap:10px;margin-bottom:24px;display:flex}.quiz-option{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer;text-align:left;padding:14px 18px;font-family:inherit;font-size:.95rem;line-height:1.5;transition:all .15s}.quiz-option:hover:not(.selected):not(.correct):not(.incorrect){border-color:var(--gold-border);background:var(--gold-dim)}.quiz-option.selected{border-color:var(--gold);background:var(--gold-dim)}.quiz-option.correct{border-color:var(--green);background:var(--green-dim)}.quiz-option.incorrect{border-color:var(--red);background:var(--red-dim)}.quiz-explanation{background:var(--bg3);border-radius:var(--radius-sm);color:var(--text-muted);border-left:3px solid var(--gold);margin-bottom:20px;padding:16px 18px;font-size:.9rem;line-height:1.6}.quiz-actions{flex-wrap:wrap;gap:12px;display:flex}.quiz-results{text-align:center;padding:24px 0}.quiz-score{margin-bottom:8px;font-size:3rem;font-weight:900}.quiz-score.perfect{background:linear-gradient(135deg, var(--gold), var(--amber));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.quiz-score.good{color:var(--green)}.quiz-score.okay{color:var(--gold)}.quiz-score.needs-work{color:var(--red)}.quiz-message{color:var(--text-muted);margin-bottom:24px;font-size:1.1rem}.quiz-results-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.lesson-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:48px;padding-top:24px;display:flex}.footer{border-top:1px solid var(--border);text-align:center;margin-top:60px;padding:32px 24px}.footer p{color:var(--text-dim);font-size:.85rem;line-height:1.8}.quiz-celebrate{position:relative;overflow:hidden}.quiz-celebrate:before,.quiz-celebrate:after{content:"";pointer-events:none;background-image:radial-gradient(circle, var(--gold) 1.5px, transparent 1.5px), radial-gradient(circle, var(--amber) 1.5px, transparent 1.5px), radial-gradient(circle, var(--green) 1px, transparent 1px), radial-gradient(circle, var(--gold-light) 1px, transparent 1px);opacity:0;background-position:10px 0,40px 30px,20px 50px,55px 15px;background-size:60px 80px,80px 60px,50px 70px,70px 50px;animation:2s ease-out forwards confetti-fall;position:absolute;inset:0}.quiz-celebrate:after{background-position:30px 10px,60px 40px,5px 25px,45px 55px;animation-delay:.15s}@keyframes confetti-fall{0%{opacity:.9;transform:translateY(-100%)scaleY(1.2)}60%{opacity:.6}to{opacity:0;transform:translateY(20%)scaleY(1)}}.certificate{background:var(--bg2);border:2px solid var(--gold);border-radius:var(--radius-lg);text-align:center;margin-bottom:32px;padding:40px 32px;animation:3s ease-in-out infinite cert-glow;position:relative;overflow:hidden}@keyframes cert-glow{0%,to{box-shadow:0 0 20px #f5a62326,0 0 40px #f5a6230d}50%{box-shadow:0 0 30px #f5a6234d,0 0 60px #f5a6231a}}.certificate-trophy{margin-bottom:16px;font-size:3.5rem;display:block}.certificate h2{background:linear-gradient(135deg, var(--gold), var(--amber));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:1.5rem;font-weight:800}.certificate p{color:var(--text-muted);font-size:.95rem}.glossary-search{margin-bottom:28px}.glossary-input{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);outline:none;padding:12px 16px;font-family:inherit;font-size:.95rem;transition:border-color 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var(--gold-border);color:var(--gold);border-radius:20px;padding:6px 14px;font-size:.85rem;font-weight:500;transition:all .15s;display:inline-block}.key-term-chip:hover{color:var(--gold-light);background:#f5a62333}@media (width<=768px){.video-clip{max-width:100%}.quiz-option{width:100%}.module-header{flex-wrap:wrap}.module-badge{margin-left:auto}.certificate{padding:28px 20px}.certificate h2{font-size:1.25rem}}@media (width<=640px){.hero{padding:48px 20px 40px}.hero h1{font-size:1.85rem}.hero-mascot{font-size:3rem}.hero-mascot-img{width:90px;height:90px}.hero p{font-size:1rem}.features{grid-template-columns:1fr;padding:0 20px 40px}.page{padding:24px 16px 60px}.lesson-title{font-size:1.45rem}.lesson-section{margin-bottom:24px}.lesson-text{font-size:.95rem}.callout{gap:10px;padding:16px}.quiz-container{padding:18px}.quiz-question{font-size:1rem}.quiz-option{padding:12px 14px;font-size:.9rem}.quiz-results-actions{flex-direction:column}.lesson-nav{flex-direction:column;gap:12px}.lesson-nav .btn{justify-content:center;width:100%}.nav-links{gap:16px}.breadcrumb{gap:4px;font-size:.8rem}}