.course-overview{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#000;max-width:1000px;margin:0 auto;padding:50px 20px;background-color:#fff}.course-header{text-align:center;margin-bottom:30px}.course-header h1{margin-top:1rem;font-size:2.2rem;font-weight:700;color:#000;margin-bottom:20px}.course-header h1 span{font-size:2.2rem}.instructors{display:flex;font-weight:700;justify-content:center;flex-wrap:wrap;gap:20px;margin-bottom:10px}.instructor{text-align:center}.instructor img{width:150px;height:150px;border-radius:50%;padding:8px;object-fit:contain;border:2px solid #ccc;margin-bottom:15px}.instructor p{font-size:.98rem;color:#000}.course-details,.course-summary,.curriculum-preview,.enrollment-actions,.instructor-bio{background-color:#fff;padding:25px;margin-bottom:35px;border-radius:12px}.course-details h2,.course-summary h2,.curriculum-preview h2,.enrollment-actions h2,.instructor-bio h2{font-size:1.6rem;color:#000;margin-bottom:15px;border-bottom:2px solid #000;display:inline-block;padding-bottom:5px}.course-summary ul,.curriculum-preview ul{padding-left:20px;list-style-type:disc}.course-summary ul li,.curriculum-preview ul li{margin-bottom:8px;line-height:1.5}.course-details p,.course-summary p,.instructor-bio p{margin:8px 0;font-size:1rem;line-height:1.6;color:#444}.instructor-bio img{width:120px;padding:8px;height:120px;border-radius:50%;object-fit:cover;float:left;margin-right:20px;border:2px solid #adaaaa}.instructor-bio:after{content:"";display:table;clear:both}.enrollment-actions button{margin-top:30px;background-color:#7c3aed;color:white;padding:12px 25px;border:none;border-radius:8px;cursor:pointer;font-size:1.1rem;font-weight:600;transition:transform .3s ease-in-out}.enrollment-actions button:hover{background-color:#6631c2;transform:scale(1.05)}.enrollment-actions p{margin-top:15px;margin-left:10px;font-size:1rem;color:#000}.enrollment-actions .share{margin-top:15px;margin-left:12px;font-size:.9rem;color:#000}.share a{margin-left:15px;color:#3b3b3b;text-decoration:none;font-size:1.4rem;transition:color .3s}@media (max-width:768px){.instructors{flex-direction:column;align-items:center}.instructor-bio img{float:none;display:block;margin:0 auto 15px}}