.demo-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;padding:20px}.demo-nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;border-radius:15px;justify-content:space-between;align-items:center;margin-bottom:20px;padding:15px 30px;display:flex;box-shadow:0 4px 15px #0000001a}.nav-home{color:#fff;background:#ffffff1a;border-radius:8px;padding:8px 20px;font-size:1em;font-weight:600;text-decoration:none;transition:all .3s}.nav-home:hover{background:#ffffff40;transform:translate(-3px)}.nav-logo{color:#fff;letter-spacing:.5px;font-size:1.5em;font-weight:700}.demo-splash{justify-content:center;align-items:center;min-height:100vh;display:flex}.splash-content{text-align:center;background:#fff;border-radius:20px;max-width:700px;padding:60px 40px;box-shadow:0 20px 60px #0000004d}.splash-title{color:#333;margin-bottom:15px;font-size:3.5em;font-weight:700}.title-icon{margin-bottom:10px;font-size:1.2em;display:block}.splash-subtitle{color:#667eea;margin-bottom:30px;font-size:1.5em;font-weight:600}.splash-description{color:#666;margin-bottom:40px;font-size:1.1em;line-height:1.8}.splash-description p{margin:15px 0}.highlight{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-weight:600}.splash-features{justify-content:center;gap:30px;margin-top:40px;display:flex}.feature{color:#555;align-items:center;gap:8px;font-size:.95em;display:flex}.feature-icon{font-size:1.5em}.btn-primary,a.btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:50px;padding:15px 40px;font-size:1.1em;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 4px 15px #667eea66}.btn-primary:hover,a.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #667eea99}.btn-primary.large,a.btn-primary.large{padding:18px 50px;font-size:1.2em}.btn-secondary,a.btn-secondary{color:#667eea;cursor:pointer;background:#fff;border:2px solid #667eea;border-radius:50px;padding:15px 40px;font-size:1.1em;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.btn-secondary:hover,a.btn-secondary:hover{color:#fff;background:#667eea;transform:translateY(-2px)}.btn-secondary.large,a.btn-secondary.large{padding:18px 50px;font-size:1.2em}.demo-header{background:#fff;border-radius:15px;margin-bottom:30px;padding:30px;box-shadow:0 4px 15px #0000001a}.progress-bar{justify-content:space-between;align-items:flex-start;display:flex;position:relative}.progress-bar:before{content:"";z-index:0;background:#e0e0e0;height:3px;position:absolute;top:22px;left:30px;right:30px}.progress-step{z-index:1;flex-direction:column;flex:1;align-items:center;gap:10px;max-width:150px;display:flex;position:relative}.progress-dot{color:#999;background:#e0e0e0;border-radius:50%;justify-content:center;align-items:center;width:45px;height:45px;font-size:1.1em;font-weight:700;transition:all .3s;display:flex}.progress-step.active .progress-dot{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);box-shadow:0 4px 15px #667eea66}.progress-step.current .progress-dot{transform:scale(1.2);box-shadow:0 6px 25px #667eea99}.progress-label{color:#999;text-align:center;font-size:.75em;font-weight:500}.progress-step.active .progress-label{color:#667eea;font-weight:600}.demo-content{background:#fff;border-radius:15px;min-height:500px;padding:40px;box-shadow:0 10px 30px #0003}.step-header{text-align:center;border-bottom:2px solid #f0f0f0;margin-bottom:40px;padding-bottom:20px}.step-icon{margin-bottom:15px;font-size:4em;display:block}.step-header h2{color:#333;margin-bottom:10px;font-size:2.2em;font-weight:700}.step-header p{color:#666;font-size:1.1em}.step-body{margin-bottom:40px}.step-footer{text-align:center;border-top:2px solid #f0f0f0;padding-top:20px}.welcome-content{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;display:grid}.welcome-card{background:#f8f9fa;border-left:4px solid #667eea;border-radius:12px;padding:30px}.welcome-card h3{color:#667eea;margin-bottom:20px;font-size:1.5em}.welcome-card p{color:#555;margin:10px 0;line-height:1.8}.checklist{padding:0;list-style:none}.checklist li{color:#555;padding:12px 0;font-size:1.05em}.participants-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;display:grid}.participant-card{text-align:center;background:#f8f9fa;border:3px solid #0000;border-radius:15px;padding:30px;transition:all .3s}.participant-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.participant-card.university{border-color:#667eea}.participant-card.student{border-color:#764ba2}.participant-card.verifier{border-color:#28a745}.participant-avatar{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;justify-content:center;align-items:center;width:100px;height:100px;margin:0 auto 20px;font-size:3.5em;display:flex}.participant-card h3{color:#333;margin-bottom:8px;font-size:1.5em}.participant-role{color:#667eea;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;font-size:.85em;font-weight:600}.participant-details{text-align:left;background:#fff;border-radius:10px;padding:20px}.participant-details p{color:#555;margin:10px 0;font-size:.95em}.status-active{color:#28a745;font-weight:600}.issue-content{max-width:600px;margin:0 auto}.visualization{background:#f8f9fa;border-radius:15px;margin-bottom:30px;padding:40px}.vis-step{text-align:center;background:#fff;border-radius:12px;padding:25px;box-shadow:0 2px 10px #0000000d}.vis-step.highlight{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.vis-icon{margin-bottom:15px;font-size:3em}.vis-label{margin-bottom:10px;font-size:1.2em;font-weight:600}.vis-step.highlight .vis-label{color:#fff}.vis-description{color:#666;font-size:.95em;line-height:1.6}.vis-step.highlight .vis-description{color:#ffffffe6}.vis-arrow{text-align:center;color:#667eea;margin:20px 0;font-size:2.5em}.info-card{background:#f8f9fa;border-left:4px solid #667eea;border-radius:12px;padding:25px}.info-card.success{background:#f0f9f4;border-left-color:#28a745}.info-card h4{color:#28a745;margin-bottom:15px;font-size:1.3em}.token-info p{color:#555;margin:10px 0;font-size:1.05em}.transcript-view{max-width:800px;margin:0 auto}.transcript-document{background:#fff;border:2px solid #e0e0e0;border-radius:15px;padding:40px;box-shadow:0 4px 20px #0000001a}.transcript-header-doc{text-align:center;border-bottom:3px solid #667eea;margin-bottom:30px;padding-bottom:25px}.university-seal{margin-bottom:20px}.seal-icon{margin-bottom:10px;font-size:4em}.seal-text{color:#667eea;font-size:1.3em;font-weight:600}.blockchain-badge{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:20px;align-items:center;gap:8px;margin-top:15px;padding:8px 20px;font-size:.9em;font-weight:600;display:inline-flex}.transcript-section{margin:30px 0}.transcript-section h3{color:#667eea;border-bottom:2px solid #f0f0f0;margin-bottom:15px;padding-bottom:10px;font-size:1.3em}.info-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;display:grid}.info-item{background:#f8f9fa;border-radius:8px;padding:15px}.info-item label{color:#999;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:.85em;display:block}.info-item .value{color:#333;font-size:1.1em;font-weight:600}.courses-table{border-collapse:collapse;background:#fff;width:100%}.courses-table th{color:#fff;text-align:left;background:#667eea;padding:15px;font-size:.95em;font-weight:600}.courses-table td{color:#555;border-bottom:1px solid #e0e0e0;padding:15px}.courses-table tr:hover{background:#f8f9fa}.grade-a{color:#28a745;font-size:1.1em;font-weight:700}.verify-content{max-width:700px;margin:0 auto}.verify-intro{text-align:center;background:#f8f9fa;border-radius:12px;margin-bottom:30px;padding:25px}.verify-intro h3{color:#667eea;margin-bottom:10px;font-size:1.6em}.verify-intro p{color:#666;font-size:1.05em}.verification-checks{flex-direction:column;gap:20px;display:flex}.check-item{background:#f8f9fa;border-left:5px solid #e0e0e0;border-radius:12px;padding:20px;transition:all .3s}.check-item.verified{border-left-color:#28a745;animation:.5s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.check-header{align-items:center;gap:15px;margin-bottom:15px;display:flex}.check-icon{font-size:2em}.check-header h4{color:#333;margin:0;font-size:1.2em}.check-details p{color:#666;margin:8px 0;line-height:1.6}.check-details strong{color:#333}.result{border-radius:8px;margin-top:12px;padding:12px;font-weight:600}.result.success{color:#155724;background:#d4edda;border-left:4px solid #28a745}.complete-content{max-width:900px;margin:0 auto}.success-animation{text-align:center;color:#fff;background:linear-gradient(135deg,#28a745 0%,#20c997 100%);border-radius:15px;margin-bottom:40px;padding:40px}.success-icon{margin-bottom:20px;font-size:5em;animation:1s infinite bounce}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.success-animation h2{margin-bottom:10px;font-size:2.5em}.success-subtitle{opacity:.95;font-size:1.2em}.comparison-section{margin:40px 0}.comparison-section h3{text-align:center;color:#333;margin-bottom:30px;font-size:1.8em}.comparison-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;display:grid}.comparison-card{border-radius:15px;padding:30px;box-shadow:0 4px 15px #0000001a}.comparison-card.old{background:#fff5f5;border:2px solid #dc3545}.comparison-card.new{background:#f0f9f4;border:2px solid #28a745}.comparison-card h4{margin-bottom:20px;font-size:1.3em}.comparison-card ul{padding:0;list-style:none}.comparison-card li{color:#555;padding:10px 0;line-height:1.6}.cta-section{text-align:center;background:#f8f9fa;border-radius:15px;padding:40px}.cta-section h3{color:#333;margin-bottom:15px;font-size:2em}.cta-section p{color:#666;margin-bottom:30px;font-size:1.1em}.cta-buttons{flex-wrap:wrap;justify-content:center;gap:20px;display:flex}@media (max-width:768px){.demo-nav{padding:12px 20px}.nav-logo{font-size:1.2em}.nav-home{padding:6px 15px;font-size:.9em}.splash-title{font-size:2.2em}.splash-subtitle{font-size:1.2em}.splash-features{flex-direction:column;gap:15px}.progress-bar{flex-wrap:wrap}.progress-step{max-width:100px}.progress-label{font-size:.65em}.participants-grid,.comparison-grid{grid-template-columns:1fr}.cta-buttons{flex-direction:column}.info-grid{grid-template-columns:1fr}.demo-content,.transcript-document{padding:25px}}@media (max-width:480px){.splash-content{padding:40px 25px}.btn-primary.large,.btn-secondary.large{padding:15px 30px;font-size:1em}}
