* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 :root {
     --primary-cyan: #3ff7ff;
     --primary-blue: #0ea5e9;
     --dark-blue: #0369a1;
     --light-blue: #e0f2fe;
     --text-dark: #1e293b;
     --text-light: #64748b;
 }

 body {
     font-family: 'Poppins', sans-serif;
     background: linear-gradient(to bottom, #ffffff 0%, #f0f9ff 50%, #e0f2fe 100%);
     min-height: 100vh;
     color: var(--text-dark);
     overflow-x: hidden;
     position: relative;
 }

 /* Subtle Grid Background */
 .grid-background {
     position: fixed;
     width: 100%;
     height: 100%;
     top: 0;
     left: 0;
     z-index: 0;
     background-image:
         linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
         linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
     background-size: 40px 40px;
 }

 /* Subtle Blue Orbs */
 .blue-orbs {
     position: fixed;
     width: 100%;
     height: 100%;
     top: 0;
     left: 0;
     z-index: 0;
     overflow: hidden;
     pointer-events: none;
 }

 .orb {
     position: absolute;
     border-radius: 50%;
     filter: blur(100px);
     opacity: 0.15;
     animation: floatOrb 20s infinite ease-in-out;
 }

 .orb:nth-child(1) {
     width: 500px;
     height: 500px;
     background: radial-gradient(circle, var(--primary-cyan), transparent);
     top: -15%;
     right: -10%;
     animation-delay: 0s;
 }

 .orb:nth-child(2) {
     width: 400px;
     height: 400px;
     background: radial-gradient(circle, var(--primary-blue), transparent);
     bottom: -10%;
     left: -5%;
     animation-delay: 5s;
 }

 @keyframes floatOrb {

     0%,
     100% {
         transform: translate(0, 0);
     }

     50% {
         transform: translate(50px, 50px);
     }
 }

 .container {
     max-width: 1400px;
     margin: 0 auto;
     padding: 2rem;
     position: relative;
     z-index: 1;
 }

 /* Clean White Header with Blue Accent */
 .header {
     display: flex;
     align-items: center;
     justify-content: space-between;
     margin-bottom: 3rem;
     padding: 2rem 3rem;
     background: #ffffff;
     border-radius: 25px;
     border: 2px solid var(--light-blue);
     box-shadow: 0 4px 20px rgba(14, 165, 233, 0.08);
     position: relative;
     overflow: hidden;
     opacity: 0;
     animation: slideDown 1s ease forwards 0.2s;
 }

 .header::before {
     content: '';
     position: absolute;
     top: 0;
     left: -100%;
     width: 100%;
     height: 100%;
     background: linear-gradient(90deg, transparent, rgba(63, 247, 255, 0.08), transparent);
     animation: shimmer 4s infinite;
 }

 @keyframes shimmer {
     0% {
         left: -100%;
     }

     100% {
         left: 100%;
     }
 }

 @keyframes slideDown {
     from {
         opacity: 0;
         transform: translateY(-60px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .header-left {
     display: flex;
     align-items: center;
     gap: 2.5rem;
 }

 .logos-container {
     display: flex;
     align-items: center;
     gap: 1.2rem;
 }

 /* Clickable Logo Box */
 .logo-link {
     text-decoration: none;
     display: block;
 }

 .logo-box {
     width: 100px;
     height: 100px;
     background: linear-gradient(135deg, #ffffff, var(--light-blue));
     border-radius: 22px;
     display: flex;
     align-items: center;
     justify-content: center;
     border: 2px solid var(--primary-cyan);
     position: relative;
     transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
     box-shadow: 0 4px 15px rgba(14, 165, 233, 0.15);
     overflow: hidden;
     cursor: pointer;
 }

 .logo-box::before {
     content: '';
     position: absolute;
     inset: 0;
     background: linear-gradient(135deg, rgba(63, 247, 255, 0.1), transparent);
     opacity: 0;
     transition: opacity 0.5s ease;
 }

 .logo-link:hover .logo-box {
     transform: translateY(-10px) scale(1.08);
     box-shadow: 0 15px 35px rgba(63, 247, 255, 0.25);
     border-color: var(--primary-blue);
 }

 .logo-link:hover .logo-box::before {
     opacity: 1;
 }

 .logo-link:active .logo-box {
     transform: translateY(-5px) scale(1.05);
 }

 .logo-box img {
     width: 100%;
     height: 100%;
     object-fit: contain;
     padding: 12px;
     transition: all 0.4s ease;
 }

 .logo-link:hover .logo-box img {
     transform: scale(1.1) rotate(3deg);
 }

 .logo-placeholder {
     width: 100%;
     height: 100%;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     font-size: 10px;
     text-align: center;
     color: var(--primary-blue);
     font-weight: 700;
     line-height: 1.4;
 }

 .logo-connector {
     width: 50px;
     height: 2px;
     background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
     border-radius: 10px;
     position: relative;
 }

 .logo-connector::after {
     content: '';
     position: absolute;
     left: 0;
     top: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
     animation: pulse 2s ease-in-out infinite;
 }

 @keyframes pulse {

     0%,
     100% {
         opacity: 0.3;
         transform: scaleX(0.8);
     }

     50% {
         opacity: 1;
         transform: scaleX(1.2);
     }
 }

 .university-info h1 {
     font-size: 2.5rem;
     font-weight: 800;
     background: linear-gradient(135deg, var(--dark-blue), var(--primary-cyan));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     margin-bottom: 0.5rem;
     position: relative;
 }

 .university-info h1::after {
     content: '';
     position: absolute;
     bottom: -8px;
     left: 0;
     width: 70px;
     height: 4px;
     background: var(--primary-cyan);
     border-radius: 10px;
 }

 .university-info p {
     font-size: 1.05rem;
     color: var(--text-light);
     font-weight: 400;
 }

 /* Welcome Section */
 .welcome-section {
     text-align: center;
     margin-bottom: 4.5rem;
     padding: 3rem 2rem;
     opacity: 0;
     animation: fadeInUp 1.2s ease forwards 0.5s;
 }

 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(60px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .welcome-section h2 {
     font-size: 3.8rem;
     font-weight: 900;
     background: linear-gradient(135deg, var(--dark-blue), var(--primary-cyan));
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     margin-bottom: 1.5rem;
     position: relative;
     display: inline-block;
     letter-spacing: -0.5px;
 }

 .welcome-section h2::after {
     content: '';
     position: absolute;
     bottom: -15px;
     left: 50%;
     transform: translateX(-50%);
     width: 0;
     height: 4px;
     background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
     animation: lineExpand 2s ease forwards 1.2s;
 }

 @keyframes lineExpand {
     to {
         width: 50%;
     }
 }

 .welcome-section p {
     font-size: 1.25rem;
     color: var(--text-light);
     font-weight: 400;
     max-width: 800px;
     margin: 0 auto;
     line-height: 1.8;
 }

 /* White Cards with Blue Accent */
 .apps-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 2rem;
     margin-bottom: 4rem;
     perspective: 1000px;
 }

 .app-card {
     background: #ffffff;
     border-radius: 25px;
     padding: 2.8rem 2.2rem;
     text-align: center;
     border: 2px solid var(--light-blue);
     transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
     cursor: pointer;
     position: relative;
     overflow: hidden;
     opacity: 0;
     transform: translateY(60px);
     box-shadow: 0 4px 20px rgba(14, 165, 233, 0.08);
     text-decoration: none;
     display: block;
     color: var(--text-dark);
 }

 .app-card.show {
     opacity: 1;
     transform: translateY(0);
 }

 .app-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(135deg, rgba(63, 247, 255, 0.05), rgba(14, 165, 233, 0.05));
     opacity: 0;
     transition: opacity 0.5s ease;
     z-index: 0;
 }

 .app-card::after {
     content: '';
     position: absolute;
     top: 50%;
     left: 50%;
     width: 0;
     height: 0;
     border-radius: 50%;
     background: radial-gradient(circle, rgba(63, 247, 255, 0.15), transparent);
     transform: translate(-50%, -50%);
     transition: all 0.6s ease;
 }

 .app-card:hover::after {
     width: 400%;
     height: 400%;
 }

 .app-card:hover {
     transform: translateY(-15px) scale(1.02);
     border-color: var(--primary-cyan);
     box-shadow: 0 20px 50px rgba(63, 247, 255, 0.2);
 }

 .app-card:hover::before {
     opacity: 1;
 }

 .app-card:active {
     transform: translateY(-12px) scale(1.01);
 }

 /* Blue Gradient Icon */
 .app-icon {
     width: 90px;
     height: 90px;
     margin: 0 auto 1.8rem;
     background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
     border-radius: 23px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 2.8rem;
     position: relative;
     z-index: 1;
     transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
     box-shadow: 0 10px 30px rgba(63, 247, 255, 0.25);
 }

 .app-icon::before {
     content: '';
     position: absolute;
     inset: -2px;
     background: linear-gradient(45deg, var(--primary-cyan), transparent, var(--primary-blue));
     border-radius: 25px;
     z-index: -1;
     opacity: 0;
     transition: opacity 0.5s ease;
     animation: rotate 3s linear infinite;
 }

 @keyframes rotate {
     0% {
         transform: rotate(0deg);
     }

     100% {
         transform: rotate(360deg);
     }
 }

 .app-card:hover .app-icon {
     transform: rotateY(360deg) scale(1.12);
     box-shadow: 0 15px 40px rgba(63, 247, 255, 0.4);
 }

 .app-card:hover .app-icon::before {
     opacity: 1;
 }

 .app-card h3 {
     font-size: 1.4rem;
     font-weight: 700;
     color: var(--text-dark);
     margin-bottom: 0.9rem;
     position: relative;
     z-index: 1;
     transition: all 0.4s ease;
 }

 .app-card:hover h3 {
     color: var(--primary-blue);
     transform: scale(1.05);
 }

 .app-card p {
     font-size: 0.95rem;
     color: var(--text-light);
     font-weight: 400;
     position: relative;
     z-index: 1;
     transition: all 0.4s ease;
     line-height: 1.7;
 }

 /* Coming Soon Cards Style */
 .app-card.coming-soon {
     background: #f8f9fa;
     border-color: #dee2e6;
     cursor: not-allowed;
     opacity: 0.7;
 }

 .app-card.coming-soon:hover {
     transform: translateY(0) scale(1);
     border-color: #dee2e6;
     box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
 }

 .app-card.coming-soon::before,
 .app-card.coming-soon::after {
     display: none;
 }

 .app-card.coming-soon .app-icon {
     background: linear-gradient(135deg, #adb5bd, #6c757d);
     box-shadow: 0 10px 30px rgba(108, 117, 125, 0.15);
     filter: grayscale(100%);
 }

 .app-card.coming-soon:hover .app-icon {
     transform: none;
     box-shadow: 0 10px 30px rgba(108, 117, 125, 0.15);
 }

 .app-card.coming-soon .app-icon::before {
     display: none;
 }

 .app-card.coming-soon h3 {
     color: #6c757d;
 }

 .app-card.coming-soon:hover h3 {
     color: #6c757d;
     transform: none;
 }

 .app-card.coming-soon p {
     color: #adb5bd;
 }

 .coming-soon-badge {
     position: absolute;
     top: 20px;
     right: 20px;
     background: linear-gradient(135deg, #6c757d, #495057);
     color: white;
     padding: 0.5rem 1rem;
     border-radius: 20px;
     font-size: 0.75rem;
     font-weight: 600;
     letter-spacing: 0.5px;
     z-index: 2;
     text-transform: uppercase;
     box-shadow: 0 4px 10px rgba(108, 117, 125, 0.3);
 }

 .app-card:hover p {
     color: var(--text-dark);
 }

 /* Ripple Effect */
 .ripple {
     position: absolute;
     border-radius: 50%;
     background: rgba(63, 247, 255, 0.3);
     transform: scale(0);
     animation: rippleEffect 0.7s ease-out;
     pointer-events: none;
 }

 @keyframes rippleEffect {
     to {
         transform: scale(5);
         opacity: 0;
     }
 }

 /* Toast Notification */
 .toast {
     position: fixed;
     bottom: -150px;
     right: 30px;
     background: #ffffff;
     color: var(--text-dark);
     padding: 1.4rem 2.3rem;
     border-radius: 18px;
     font-weight: 600;
     font-size: 1rem;
     z-index: 10000;
     transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
     box-shadow: 0 10px 40px rgba(14, 165, 233, 0.2);
     display: flex;
     align-items: center;
     gap: 1rem;
     border: 2px solid var(--light-blue);
 }

 .toast.show {
     bottom: 40px;
     animation: bounce 0.6s ease;
 }

 @keyframes bounce {

     0%,
     100% {
         transform: translateY(0);
     }

     50% {
         transform: translateY(-10px);
     }
 }

 .toast i {
     font-size: 1.7rem;
     color: var(--primary-cyan);
     animation: iconPulse 1s ease infinite;
 }

 @keyframes iconPulse {

     0%,
     100% {
         transform: scale(1);
     }

     50% {
         transform: scale(1.15);
     }
 }

 /* Footer */
 .footer {
     text-align: center;
     padding: 2.8rem 2rem;
     color: var(--text-light);
     font-size: 0.95rem;
     background: #ffffff;
     border-radius: 25px;
     position: relative;
     margin-top: 4rem;
     border: 2px solid var(--light-blue);
     box-shadow: 0 4px 20px rgba(14, 165, 233, 0.08);
 }

 .footer::before {
     content: '';
     position: absolute;
     top: 0;
     left: 50%;
     transform: translateX(-50%);
     width: 0;
     height: 2px;
     background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
     animation: lineGlow 3s ease infinite;
 }

 @keyframes lineGlow {

     0%,
     100% {
         width: 0;
     }

     50% {
         width: 50%;
     }
 }

 .footer p {
     margin-bottom: 0.5rem;
 }

 .footer .hashtag {
     color: var(--primary-cyan);
     font-weight: 700;
     font-size: 1.2rem;
 }

 /* Scroll Indicator */
 .scroll-indicator {
     position: fixed;
     top: 0;
     left: 0;
     height: 4px;
     background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
     z-index: 9999;
     transition: width 0.1s ease;
     box-shadow: 0 2px 10px rgba(63, 247, 255, 0.3);
 }

 /* Loading Animation */
 .loading-screen {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(to bottom, #ffffff, #e0f2fe);
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     gap: 2rem;
     z-index: 10001;
     transition: opacity 0.6s ease, visibility 0.6s ease;
 }

 .loading-screen.hidden {
     opacity: 0;
     visibility: hidden;
 }

 .loader {
     width: 70px;
     height: 70px;
     border: 5px solid var(--light-blue);
     border-top-color: var(--primary-cyan);
     border-radius: 50%;
     animation: spin 1s linear infinite;
 }

 @keyframes spin {
     to {
         transform: rotate(360deg);
     }
 }

 .loading-text {
     font-size: 1.5rem;
     font-weight: 600;
     color: var(--text-dark);
 }

 /* Floating Action Button */
 .fab {
     position: fixed;
     bottom: 30px;
     right: 30px;
     width: 58px;
     height: 58px;
     background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     box-shadow: 0 8px 25px rgba(63, 247, 255, 0.3);
     cursor: pointer;
     transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
     z-index: 9998;
 }

 .fab:hover {
     transform: scale(1.12) rotate(90deg);
     box-shadow: 0 12px 35px rgba(63, 247, 255, 0.5);
 }

 .fab i {
     color: #ffffff;
     font-size: 1.4rem;
 }

 /* Responsive */
 @media (max-width: 968px) {
     .header {
         flex-direction: column;
         padding: 1.8rem;
     }

     .header-left {
         flex-direction: column;
         gap: 2rem;
     }

     .logos-container {
         flex-wrap: wrap;
         justify-content: center;
     }

     .logo-box {
         width: 85px;
         height: 85px;
     }

     .welcome-section h2 {
         font-size: 2.5rem;
     }

     .welcome-section p {
         font-size: 1.1rem;
     }

     .apps-grid {
         grid-template-columns: 1fr;
         gap: 1.8rem;
     }

     .app-card {
         padding: 2.5rem 2rem;
     }
 }

 @media (max-width: 480px) {
     .university-info h1 {
         font-size: 1.8rem;
     }

     .welcome-section h2 {
         font-size: 2rem;
     }

     .logo-box {
         width: 70px;
         height: 70px;
     }

     .logo-connector {
         width: 35px;
     }
 }