.sources-section{margin-top:70px}.section-caption{color:var(--muted);font-size:13px}.mode-grid,.source-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.mode-card,.source-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-height:165px;padding:22px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);text-align:left;text-decoration:none;transition:.2s}.mode-card:hover,.source-card:hover{border-color:var(--cyan);background:var(--surface-2);transform:translateY(-3px)}.mode-card.mode-primary{border-color:#668f22;background:linear-gradient(135deg,#142b22,#0d1b2d)}.mode-card.exam-card{border-color:#b9f227;background:linear-gradient(135deg,#202b16,#0d1b2d)}.mode-card strong,.source-card strong{font:600 23px 'Space Grotesk'}.mode-card span:not(.mode-kicker),.source-card span:not(.source-chip){color:var(--muted);font-size:14px}.mode-card b,.source-card b{margin-top:auto;color:var(--cyan);font-size:13px}.mode-kicker,.source-chip{font:600 11px 'Space Grotesk';letter-spacing:.1em;color:var(--cyan);text-transform:uppercase}.source-chip.lime{color:var(--lime)}.exam-mode{border-color:#789c28;background:linear-gradient(145deg,#14251b,#0a1727)}.exam-mode .progress-track span{background:linear-gradient(90deg,var(--lime),#ffe66d)}.result-mode .quiz-content{text-align:center;max-width:680px;margin:auto}.result-score{font:700 86px/1 'Space Grotesk';color:var(--lime);margin:12px 0}.result-copy{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:16px}.result-copy strong{color:var(--text);font:600 21px 'Space Grotesk'}.result-actions{display:flex;justify-content:center;gap:14px;margin-top:28px}.result-actions .ghost-button{border:1px solid var(--line);padding:13px 17px}@media(max-width:1100px){.mode-grid,.source-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.mode-grid,.source-grid{grid-template-columns:1fr}.section-caption{display:block;margin-top:10px}.result-score{font-size:64px}.result-actions{flex-direction:column}}
 .disclaimer-strip{margin:0 0 28px;padding:16px 20px;border-left:2px solid #00d4ff;background:rgba(0,212,255,.06);color:#aebac7;font-size:13px;line-height:1.6}.disclaimer-strip strong{color:#fff}