.main{background-color:#f9fafb;min-height:100vh;padding:2rem 0}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.heading{color:#111827;text-align:center;margin-bottom:.75rem;font-size:2.25rem;font-weight:700}.heading-highlight{color:#3b5cb8}.subheading{color:#4b5563;text-align:center;max-width:800px;margin:0 auto 3rem;font-size:1.1rem;line-height:1.6}.section-heading{color:#111827;text-align:center;margin-bottom:2rem;font-size:1.75rem;font-weight:600;position:relative}.section-heading:after{content:"";background-color:#3b5cb8;border-radius:2px;width:80px;height:3px;position:absolute;bottom:-.75rem;left:50%;transform:translate(-50%)}.speakers-section{margin-bottom:4rem}.keynote-section{margin-bottom:5rem}.keynote-speakers-grid,.speakers-grid{flex-direction:column;gap:2rem;width:100%;display:flex}.speaker-card{cursor:pointer;background-color:#fff;border-radius:.75rem;width:100%;transition:all .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 6px #0000000d,0 1px 3px #0000001a}.speaker-card:hover,.speaker-card.hovered{background-color:#f9fafb;border-left:3px solid #3b5cb8;transform:translateY(-4px);box-shadow:0 10px 15px #0000001a,0 4px 6px #0000001a}.speaker-image-container{flex-shrink:0;width:200px;height:220px;position:relative}.speaker-image{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;transition:all .3s}.speaker-image.hovered{transform:scale(1.05)}.speaker-content{flex-direction:column;flex-grow:1;padding:1.5rem;display:flex}.speaker-name{color:#111827;margin:0 0 .25rem;font-size:1.25rem;font-weight:700;transition:color .3s}.speaker-card:hover .speaker-name,.speaker-card.hovered .speaker-name{color:#3b5cb8}.speaker-affiliation{color:#4b5563;margin-bottom:.15rem;font-size:.9rem}.speaker-country{color:#6b7280;margin-bottom:.5rem;font-size:.85rem}.speaker-social-links-container{margin-bottom:.75rem}.speaker-bio{color:#4b5563;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;flex-grow:1;margin-top:.5rem;margin-bottom:1rem;font-size:.9rem;line-height:1.6;display:-webkit-box;overflow:hidden}.speaker-footer{justify-content:space-between;align-items:center;margin-top:auto;display:flex}.speaker-talk-title{color:#3b5cb8;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:.85rem;font-weight:600;overflow:hidden}.speaker-keynote-tag{color:#fff;z-index:2;background-color:#3b5cb8;border-top-right-radius:.5rem;border-bottom-right-radius:.5rem;padding:.25rem .75rem;font-size:.75rem;font-weight:600;position:absolute;top:1rem;left:0}.speaker-social-links{gap:.5rem;display:flex}.social-link{cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.social-link.email-link{background-color:#f3f4f6}.social-link.scholar-link{background-color:#eef2ff}.social-link:hover,.social-link.hovered{transform:translateY(-2px);box-shadow:0 2px 5px #0000001a}.social-icon{width:16px;height:16px}.email-link .social-icon{color:#6b7280}.scholar-link .social-icon{color:#3b5cb8}.loading-container{flex-direction:column;justify-content:center;align-items:center;min-height:300px;display:flex}.spinner{border:3px solid #3b5cb833;border-top-color:#3b5cb8;border-radius:50%;width:48px;height:48px;margin-bottom:1rem;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{color:#6b7280;font-size:1rem;font-weight:500}.empty-container{text-align:center;background-color:#fff;border-radius:.75rem;max-width:700px;margin:0 auto;padding:3rem 2rem;box-shadow:0 4px 6px #0000000d}.empty-heading{color:#111827;margin-bottom:1rem;font-size:1.5rem;font-weight:600}.empty-text{color:#4b5563;font-size:1rem;line-height:1.6}@media (max-width:768px){.section-heading{font-size:1.5rem}.heading{font-size:2rem}}@media (max-width:640px){.speaker-card{flex-direction:column}.speaker-image-container{width:100%;height:200px}.speaker-content{padding:1.25rem}}