.cse-container{font-family:Poppins,sans-serif;color:#fff;background:linear-gradient(135deg,#0e153a,#1b2845);padding-bottom:50px}.hero-section{position:relative;height:60vh;display:flex;align-items:center;justify-content:center;text-align:center}.hero-overlay{position:absolute;width:100%;height:100%;background:rgba(0,0,0,.6)}.hero-content{position:relative;z-index:2;animation:fadeIn 2s ease-in-out}.hero-title{font-size:3.5rem;font-weight:700;text-transform:uppercase;text-shadow:0 0 15px rgba(0,198,255,.8);animation:slideInDown 1.5s ease-in-out}.hero-subtitle{font-size:1.5rem;font-weight:300;margin-top:10px;animation:fadeInUp 1.5s ease-in-out}.labs-section{width:85%;margin:0 auto}.section-title{font-size:2.2rem;text-align:center;margin:50px 0 20px;font-weight:700;text-transform:uppercase;background:linear-gradient(90deg,#007bff,#00c6ff);-webkit-background-clip:text;color:transparent;text-shadow:0 0 15px rgba(0,198,255,.7)}.lab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;justify-content:center;margin-top:20px}.lab-card{perspective:1200px}.lab-card-inner{position:relative;width:100%;height:220px;transform-style:preserve-3d;transition:transform .7s ease-in-out}.lab-card:hover .lab-card-inner{transform:rotateY(180deg)}.lab-card-back,.lab-card-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;transition:background .5s ease-in-out}.lab-card-front{background:rgba(0,0,0,.6);box-shadow:0 4px 12px hsla(0,0%,100%,.2)}.lab-card-back{transform:rotateY(180deg);background-size:cover;background-position:50%}.lab-title{font-size:1.3rem;font-weight:700}.lab-institute{font-size:1rem;font-style:italic;color:#ddd}.lab-buttons{margin-top:15px}.lab-btn{background:linear-gradient(135deg,#007bff,#00c6ff);color:#fff;padding:10px 18px;font-weight:700;border-radius:6px;margin:5px;border:none;transition:transform .3s,background .3s;cursor:pointer}.lab-btn:hover{transform:scale(1.1);background:linear-gradient(135deg,#00c6ff,#007bff)}@keyframes slideInDown{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeInUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.clickable{cursor:pointer;color:#3061bd;font-weight:700;transition:all .3s ease-in-out}.clickable:hover{text-decoration:underline;transform:scale(1.05);color:#ff4500}.lab-card-back .clickable{position:relative;z-index:5}.lab-announcements-container{width:90%;max-width:800px;margin:50px auto;padding:20px;background:hsla(0,0%,100%,.1);backdrop-filter:blur(15px);border-radius:12px;box-shadow:0 4px 20px rgba(0,198,255,.3);text-align:center;color:#fff}.lab-announcements-title{font-size:2rem;font-weight:700;text-transform:uppercase;background:linear-gradient(90deg,#00c6ff,#007bff);-webkit-background-clip:text;color:transparent;text-shadow:0 0 15px rgba(0,198,255,.7);margin-bottom:20px}.lab-announcements-box{width:100%;height:120px;overflow:hidden;position:relative;background:rgba(0,0,0,.3);border-radius:10px;padding:10px}.lab-announcements-scroll{display:flex;flex-direction:column;gap:20px;animation:scrollLabAnnouncements 7s linear infinite}.lab-announcement-link{color:#00c6ff;font-weight:700;text-decoration:none;transition:color .3s ease-in-out}.lab-announcement-link:hover{color:#fc0;text-decoration:underline}@keyframes scrollLabAnnouncements{0%{transform:translateY(100%)}to{transform:translateY(-100%)}}.nptel-container{text-align:center;margin-top:20px}.nptel-link{font-size:1.2rem;font-weight:700;text-transform:uppercase;color:#fc0;text-decoration:none;padding:10px 15px;border-radius:5px;display:inline-block;opacity:0;animation:blinkEffect 4s ease-in-out infinite;transition:transform .3s ease,color .3s ease}.nptel-link:hover{transform:scale(1.1);color:#00c6ff;text-shadow:0 0 10px rgba(0,198,255,.8)}@keyframes blinkEffect{0%{opacity:0}25%{opacity:1}50%{opacity:1}75%{opacity:0}to{opacity:0}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-in-out}.modal-content{background:hsla(0,0%,100%,.1);backdrop-filter:blur(10px);padding:20px;border-radius:12px;width:400px;color:#fff;text-align:center;box-shadow:0 0 15px rgba(0,198,255,.7);transform:scale(.9);animation:scaleUp .3s ease-in-out forwards}.modal-content h2{margin-bottom:10px;font-size:20px;text-shadow:0 0 5px rgba(0,198,255,.8)}.modal-content ul{list-style:none;padding:0}.modal-content li{margin:10px 0;font-size:16px}.close-btn{position:absolute;top:10px;right:15px;font-size:22px;background:transparent;border:none;color:#fff;cursor:pointer}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.9)}to{transform:scale(1)}}