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0;border-top:1px solid var(--border);font-size:13px}.tc-lesson-row:first-child{border-top:none}.tc-question-row{padding:10px 0;border-top:1px solid var(--border);font-size:13px}.tc-question-row:first-child{border-top:none}.impact-band{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}@media (max-width:768px){.impact-band{grid-template-columns:1fr}}.impact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:24px;text-align:center}.impact-card .num{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--royal-2)}.impact-card .lbl{font-size:12.5px;color:var(--text-soft);margin-top:6px}.brand-logo-img{height:58px;width:auto;max-width:220px;-o-object-fit:contain;object-fit:contain;flex-shrink:0}.app-topbar .brand-logo-img{height:40px;max-width:150px}.brand-mark-spacer{width:34px;height:34px;flex-shrink:0}.nav-social{gap:8px;margin-left:2px}.nav-social,.nav-social 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