:root{--cyan-accent:#00a8e8;--sky-blue:#70c1e8;--lime-green:#ac0;--soft-lime:#d4e157;--bg-light:#f7f9fa;--text-dark:#1e293b;--text-muted:#64748b;--white:#fff;--unicamp-red:#c00}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-light);color:var(--text-dark);line-height:1.6}a{color:inherit}header{background-color:var(--white);z-index:100;border-bottom:2px solid #e2e8f0;position:sticky;top:0}nav{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:1rem 2rem;display:flex}.logo{color:var(--cyan-accent);font-size:1.8rem;font-weight:800;text-decoration:none}.logo span{color:var(--lime-green)}.nav-links{gap:1.5rem;list-style:none;display:flex}.nav-links a{color:var(--text-dark);font-size:1.05rem;font-weight:600;text-decoration:none;transition:color .2s}.nav-links a:hover,.nav-links a.active{color:var(--cyan-accent)}.tag-extensao{color:var(--cyan-accent);background-color:#e0f2fe;border-radius:20px;padding:.4rem .9rem;font-size:.85rem;font-weight:700}.hero,.page-header{background:linear-gradient(135deg, var(--sky-blue) 0%, var(--cyan-accent) 100%);color:var(--white);text-align:center}.hero{padding:4.5rem 2rem}.page-header{padding:3rem 2rem}.hero-badge{background-color:#fff3;border-radius:15px;margin-bottom:1rem;padding:.3rem 1rem;font-size:.9rem;font-weight:600;display:inline-block}.hero h1{margin-bottom:1rem;font-size:2.6rem;font-weight:800}.hero p{opacity:.95;max-width:750px;margin:0 auto;font-size:1.2rem}.page-header h1{margin-bottom:.5rem;font-size:2.3rem;font-weight:800}.page-header p{opacity:.95;max-width:700px;margin:0 auto;font-size:1.1rem}.container{max-width:1100px;margin:3.5rem auto;padding:0 2rem}.section-title{text-align:center;color:var(--text-dark);margin-bottom:.5rem;font-size:1.8rem}.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:2.5rem;font-size:1rem}.grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.card{background:var(--white);border:1px solid #e2e8f0;border-top:5px solid var(--cyan-accent);border-radius:12px;padding:2rem;box-shadow:0 4px 15px #0000000a}.card:nth-child(2){border-top-color:var(--sky-blue)}.card:nth-child(3){border-top-color:var(--lime-green)}.card-tag{background-color:var(--soft-lime);color:var(--text-dark);border-radius:6px;margin-bottom:1rem;padding:.2rem .6rem;font-size:.8rem;font-weight:700;display:inline-block}.card h3{margin-bottom:.75rem;font-size:1.3rem}.card p{color:var(--text-muted);font-size:.95rem}.card img,.topic-content img{border-radius:8px;width:100%;margin-top:1rem;display:block}.about-section{background-color:var(--white);border:1px solid #e2e8f0;border-radius:16px;margin-top:4rem;padding:2.5rem}.about-section h2{color:var(--cyan-accent);margin-bottom:1rem;font-size:1.5rem}.team-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem;display:grid}.team-member{background-color:var(--bg-light);color:var(--text-dark);border-radius:8px;padding:.8rem 1rem;font-size:.9rem;font-weight:600}.lessons-container{max-width:900px;margin:3rem auto;padding:0 1.5rem}.module-section{background:var(--white);border:1px solid #e2e8f0;border-left:6px solid var(--cyan-accent);border-radius:12px;margin-bottom:2rem;padding:2rem;box-shadow:0 4px 15px #0000000a}.module-section:nth-of-type(2){border-left-color:var(--sky-blue)}.module-section:nth-of-type(3){border-left-color:var(--lime-green)}.module-header{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.module-badge{background-color:var(--soft-lime);color:var(--text-dark);border-radius:6px;padding:.3rem .8rem;font-size:.85rem;font-weight:800}.module-title{color:var(--text-dark);font-size:1.5rem}details{background-color:var(--bg-light);border:1px solid #e2e8f0;border-radius:8px;margin-bottom:1rem;transition:all .2s;overflow:hidden}details[open]{background-color:var(--white);border-color:var(--sky-blue)}summary{cursor:pointer;color:var(--text-dark);-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:1rem 1.2rem;font-weight:700;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--cyan-accent);font-size:1.3rem;font-weight:800}details[open] summary:after{content:"−"}.topic-content{color:var(--text-muted);border-top:1px solid #e2e8f0;padding:1.2rem;font-size:.95rem}.topic-content p{margin-bottom:.8rem}.topic-content ul{margin:0 0 .8rem 1.2rem}.highlight-box{border-left:4px solid var(--lime-green);color:#166534;background-color:#f0fdf4;border-radius:4px;margin-top:1rem;padding:.8rem 1rem;font-size:.9rem}.state-message{text-align:center;color:var(--text-muted);padding:2rem 1rem;font-size:.95rem}footer{background-color:var(--text-dark);color:var(--white);margin-top:4rem;padding:3rem 2rem 1.5rem}.footer-content{flex-wrap:wrap;justify-content:space-between;gap:2rem;max-width:1100px;margin:0 auto;display:flex}.footer-info h4{color:var(--sky-blue);margin-bottom:.5rem;font-size:1.2rem}.footer-info p{color:#94a3b8;max-width:450px;font-size:.9rem}.footer-disclaimer{text-align:center;color:#94a3b8;border-top:1px solid #334155;max-width:1100px;margin:2rem auto 0;padding-top:1.5rem;font-size:.85rem}