.demo-screen{width:100%;max-width:1200px;margin:0 auto;padding:40px 20px}.demo-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.demo-header h2{flex:1;text-align:center;color:var(--secondary);margin:0}.demo-badge{background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #f59e0b;border-radius:12px;color:#92400e;font-size:14px;font-weight:600;padding:12px 20px;text-align:center;margin-bottom:32px}.demo-subtitle{text-align:center;color:#6b7280;font-size:18px;font-weight:500;margin:-10px 0 16px}.demo-description{text-align:center;color:#4b5563;font-size:16px;line-height:1.6;max-width:700px;margin:0 auto 40px}.demo-tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin:40px 0;max-width:1000px;margin-left:auto;margin-right:auto}.demo-tool-card{background:linear-gradient(135deg,#fff,#f8fafc);border:2px solid #e5e7eb;border-radius:16px;box-shadow:0 4px 12px rgba(0,0,0,.08);padding:32px 24px;text-align:center;transition:all .3s ease}.demo-tool-card:hover{border-color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.12);transform:translateY(-4px)}.demo-tool-icon{font-size:48px;margin-bottom:16px}.demo-tool-card h3{color:var(--primary);font-size:22px;font-weight:700;margin:0 0 12px}.demo-tool-card p{color:#6b7280;font-size:15px;line-height:1.5;margin:0 0 24px}.demo-start-btn{background:linear-gradient(135deg,var(--primary),var(--primary-hover));border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;padding:12px 24px;transition:all .3s ease;width:100%}.demo-start-btn:hover{box-shadow:0 4px 12px rgba(37,99,235,.4);transform:translateY(-2px)}.demo-back-btn,.demo-exit-btn{background:linear-gradient(135deg,#6b7280,#4b5563);border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:14px;font-weight:600;padding:10px 20px;transition:all .3s ease}.demo-back-btn:hover,.demo-exit-btn:hover{box-shadow:0 4px 12px rgba(107,114,128,.3);transform:translateY(-1px)}.demo-footer-actions{text-align:center;margin-top:40px}.demo-content{margin-top:32px}.demo-image-container{position:relative;width:100%;max-width:900px;margin:0 auto 32px;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.15);background:#f8fafc}.demo-image-container img{width:100%;height:auto;display:block}.demo-highlight{position:absolute;border:3px solid #f59e0b;border-radius:8px;box-shadow:0 0 0 4px rgba(245,158,11,.3),0 0 20px rgba(245,158,11,.5);pointer-events:none;display:none;animation:highlightPulse 2s ease-in-out infinite}@keyframes highlightPulse{0%,100%{box-shadow:0 0 0 4px rgba(245,158,11,.3),0 0 20px rgba(245,158,11,.5)}50%{box-shadow:0 0 0 6px rgba(245,158,11,.4),0 0 30px rgba(245,158,11,.7)}}.demo-step-info{text-align:center;margin-bottom:32px}.demo-step-counter{color:var(--primary);font-size:18px;font-weight:700;margin-bottom:16px}.demo-step-text{color:#374151;font-size:20px;font-weight:500;line-height:1.6;max-width:700px;margin:0 auto}.demo-navigation{display:flex;justify-content:center;gap:16px;margin-top:32px}.demo-nav-btn{background:linear-gradient(135deg,#6b7280,#4b5563);border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;padding:12px 24px;transition:all .3s ease;min-width:140px}.demo-nav-btn:hover:not(:disabled){box-shadow:0 4px 12px rgba(107,114,128,.3);transform:translateY(-2px)}.demo-nav-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.demo-nav-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover))}.demo-nav-btn-primary:hover:not(:disabled){box-shadow:0 4px 12px rgba(37,99,235,.4)}@media (max-width:768px){.demo-screen{padding:24px 16px}.demo-header{flex-direction:column;align-items:stretch}.demo-header h2{order:2}.demo-back-btn{order:1;width:100%}.demo-exit-btn{order:3;width:100%}.demo-tool-grid{grid-template-columns:1fr;gap:20px}.demo-tool-card{padding:24px 20px}.demo-tool-icon{font-size:40px}.demo-tool-card h3{font-size:20px}.demo-step-text{font-size:18px}.demo-navigation{flex-direction:column}.demo-nav-btn{width:100%}.demo-image-container{border-radius:8px}}@media (max-width:480px){.demo-screen{padding:20px 12px}.demo-subtitle{font-size:16px}.demo-description{font-size:14px}.demo-tool-card{padding:20px 16px}.demo-tool-icon{font-size:36px}.demo-tool-card h3{font-size:18px}.demo-tool-card p{font-size:14px}.demo-step-text{font-size:16px}.demo-badge{font-size:12px;padding:10px 16px}}.demo-placeholder{align-items:center;background:linear-gradient(135deg,#f3f4f6,#e5e7eb);border:2px dashed #9ca3af;border-radius:12px;color:#6b7280;display:flex;flex-direction:column;height:500px;justify-content:center;min-height:400px;padding:40px;text-align:center;width:100%}.demo-placeholder-icon{font-size:64px;margin-bottom:16px;opacity:.5}.demo-placeholder-text{font-size:20px;font-weight:600;margin-bottom:8px}.demo-placeholder-note{font-size:14px;opacity:.7}@media (prefers-reduced-motion:reduce){.demo-back-btn,.demo-exit-btn,.demo-highlight,.demo-nav-btn,.demo-start-btn,.demo-tool-card{transition:none;animation:none}}