*{box-sizing:border-box;margin:0;padding:0}
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body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:18px}.wrap,.app-wrap{width:min(1120px,92%);margin:auto}.app-wrap{max-width:840px;padding:28px 0 60px}.hero{padding:70px 0;background:linear-gradient(135deg,#3157d5,#22a7a7);color:#fff}.hero-grid,.two-column{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}.eyebrow,.mini-label{display:inline-block;color:var(--primary);background:#eaf0ff;padding:7px 12px;border-radius:999px;font-size:.84rem;font-weight:700;margin-bottom:14px}.hero .eyebrow{color:#fff;background:rgba(255,255,255,.18)}.hero h1{font-size:clamp(2.5rem,7vw,5rem);line-height:1;margin-bottom:18px}.tagline{font-size:clamp(1.35rem,3vw,2rem);font-weight:700;max-width:760px;margin-bottom:16px}.hero-text,.section-lead{max-width:680px;margin-bottom:28px}.hero-text{color:rgba(255,255,255,.9)}.section-lead,.card p,.two-column p,.hero-card small{color:var(--muted)}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:14px}.btn,button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:16px;min-height:52px;padding:14px 22px;font-size:1rem;font-weight:800;text-decoration:none;cursor:pointer;transition:.18s}.btn:hover,button:hover{transform:translateY(-2px)}.primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(49,87,213,.24)}.primary:hover{background:var(--primary-dark)}.secondary{background:#fff;color:var(--primary);border:2px solid rgba(49,87,213,.16)}.hero .secondary{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.3)}.full{width:100%}.hero-card,.card,.coach-box,.question-card,.confidence-box,.progress-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{color:var(--text);padding:30px}.hero-card h2{margin-bottom:10px;font-size:1.8rem}.coach-bubble{display:inline-block;color:var(--accent);background:#e6fbfb;font-weight:800;padding:8px 12px;border-radius:999px;margin-bottom:18px}.answer-preview{margin:20px 0;background:var(--success);border:2px solid #bce8ca;border-radius:16px;padding:16px;text-align:center;font-size:2rem;font-weight:900}.section{padding:58px 0}.section.soft{background:var(--soft)}.section h2{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.15;margin-bottom:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.card{padding:26px}.card h3{margin-bottom:10px;font-size:1.25rem}.step-number{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#eaf0ff;color:var(--primary);font-weight:900;margin-bottom:16px}.check-list{list-style:none;margin-top:20px}.check-list li{margin:10px 0;padding-left:30px;position:relative}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:900}.highlight-card{border-top:6px solid var(--accent)}footer{text-align:center;padding:34px 20px;color:var(--muted);background:#fff;border-top:1px solid var(--border)}.lesson-header{text-align:center;padding:12px 0 22px}.lesson-header h1{font-size:clamp(2.3rem,8vw,4rem);line-height:1;margin-bottom:10px}.lesson-subtitle{color:var(--muted);max-width:640px;margin:auto}.back-btn{display:inline-block;color:var(--primary);text-decoration:none;font-weight:800;margin-bottom:16px}.progress-section,.coach-box,.question-card,.confidence-box{padding:24px;margin-top:20px}.progress-top{display:flex;justify-content:space-between;gap:20px;font-weight:900;margin-bottom:12px}.progress-bar{height:18px;background:#dbe5f4;border-radius:999px;overflow:hidden}.progress-fill{width:0;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;transition:width .3s}.coach-box{background:#eefcff;border-color:#bfeef1}.coach-box h2,.confidence-box h3{margin-bottom:10px}.question-card{border-top:6px solid var(--primary)}#questionTitle{font-size:clamp(1.55rem,5vw,2.35rem);line-height:1.15;margin-bottom:12px}#questionText{font-size:clamp(1.25rem,4vw,1.7rem);font-weight:800;margin-bottom:18px}#answerInput{width:100%;min-height:58px;padding:14px 16px;border-radius:16px;border:2px solid #cbd6e8;font-size:1.2rem;margin-bottom:16px;background:#fff}#answerInput:focus{outline:4px solid rgba(49,87,213,.16);border-color:var(--primary)}.confidence-box{background:var(--success);border-color:#c8ecd2}.level-path-box ul{margin:14px 0 20px 22px}.level-path-box li{margin:8px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;white-space:nowrap;border:0}.center{text-align:center}@media(max-width:820px){body{font-size:17px}.hero{padding:46px 0}.hero-grid,.two-column,.steps{grid-template-columns:1fr}.hero-card{padding:24px}.section{padding:42px 0}.button-row,.hero-actions{flex-direction:column;align-items:stretch}.btn,button{width:100%}.progress-section,.coach-box,.question-card,.confidence-box,.card{padding:20px;border-radius:18px}}
