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#0000001a}.pdf-button:hover{background-color:var(--primary);transform:translateY(-2px)}.exam-button{display:inline-block;padding:12px 25px;background-color:var(--secondary);color:#fff!important;text-decoration:none;border-radius:8px;font-weight:600;transition:background-color .3s ease,transform .2s ease;border:none;cursor:pointer;box-shadow:0 4px 10px #0000001a}.exam-button:hover{background-color:var(--primary);transform:translateY(-2px)}.video-container{margin-bottom:30px}.video-container iframe{width:100%;height:315px;border-radius:12px;border:none}.content-grid,.videos-grid,.exams-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;margin-top:25px}.content-card,.video-card,.exam-card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 5px 15px #0000000d;transition:transform .3s ease}.content-card:hover,.video-card:hover,.exam-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001a}.content-card h4,.video-card h4,.exam-card h4{color:var(--primary);margin-bottom:10px;font-size:1.2rem}.content-card p,.video-card p,.exam-card p{color:#6c757d;margin-bottom:20px;line-height:1.5}.video-container{margin-top:20px;border-radius:12px;overflow:hidden;background:#000}.video-container iframe{width:100%;height:315px;border:none}.btn-secondary{background-color:#6c757d;color:#fff;padding:10px 20px;border:none;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;transition:background-color .3s ease;font-weight:500}.btn-secondary:hover{background-color:#5a6268;transform:translateY(-2px)}.mask{background-color:#00000080}.tour{border-radius:8px;box-shadow:0 4px 20px #0003}.tour .reactour__popover{background:#fff;color:#333;font-size:1rem;padding:1rem;border-radius:8px;box-shadow:0 4px 20px #0003}.tour .reactour__button{background:#4361ee;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;margin:.5rem}.tour 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