body {
            font-family: 'Noto Sans SC', sans-serif;
            color: #666666;
            background-color: #f5f5f5;
        }
        
        /* Gradient background for hero section */
        .hero-gradient {
            background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 50%, #c9151e 100%);
        }
        
        /* Particle container */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }
        
        /* Ripple effect */
        .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            transform: scale(0);
            pointer-events: none;
            animation: ripple 1s linear;
            z-index: 2;
        }
        
        @keyframes ripple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }
        
        /* Client logo carousel */
        .client-logos {
            animation: scroll 30s linear infinite;
        }
        
        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        
        /* Card hover effects */
        .card-hover {
            transition: all 0.3s ease;
            transform-style: preserve-3d;
        }
        
        .card-hover:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        /* Case study hover effect */
        .case-logo {
            transition: all 0.3s ease;
            filter: grayscale(100%) opacity(70%);
        }
        
        .case-logo:hover, .case-logo.active {
            filter: grayscale(0%) opacity(100%);
            transform: scale(1.2);
        }
        
        /* Modal styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background-color: white;
            padding: 2rem;
            border-radius: 0.5rem;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            animation: modalFadeIn 0.3s ease-out;
        }
        
        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Enhanced Start Free Button */
        .start-free-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 18px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            background: linear-gradient(135deg, #c9151e 0%, #e53e3e 100%);
            color: white;
            border: none;
            cursor: pointer;
        }
        
        .start-free-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            background: linear-gradient(135deg, #e53e3e 0%, #c9151e 100%);
        }
        
        .start-free-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
        }
        
        .start-free-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }
        
        .start-free-btn:hover::before {
            left: 100%;
        }
        
        
        /* mobile-menu */
        .mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        
        .mobile-menu.open {
            transform: translateX(0);
        }


        /* Header active state */
        header {
            transition: all 0.3s ease;
        }
        
        header.active {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        /* Mega dropdown styles */
        .mega-dropdown {
            position: static;
            padding-bottom: 8px;
        }
        
        .mega-dropdown-content {
            display: none;
            position: absolute;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            padding: 1.5rem;
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            transition: opacity 200ms ease, transform 200ms ease;
            border-radius: 0 0 12px 12px;
            min-width: 1000px;
            margin-top: 0;
        }
        
        .mega-dropdown:hover .mega-dropdown-content,
        .mega-dropdown:focus-within .mega-dropdown-content,
        .mega-dropdown.active .mega-dropdown-content {
            display: block; 
            opacity: 1; 
            visibility: visible;
            transform: translateX(-50%) translateY(0); 
        }
        
        /* Active nav indicator */
        .nav-highlight {
            position: relative;
            z-index: 100;
        }


        .nav-highlight::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #c9151e, #e53e3e);
            transition: width 0.3s ease;
        }
        
        
        /* Dropdown items */
        .dropdown-item {
            padding: 8px 0;
            transition: all 0.2s ease;
        }
        
        .dropdown-item:hover {
            color: #c9151e;
            transform: translateX(4px);
        }
        
        .dropdown-item-title {
            font-weight: 600;
            color: #111827;
            margin-bottom: 4px;
        }
        
        .dropdown-item-desc {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.4;
        }
        
        .mega-dropdown-title {
            font-size: 16px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(201, 21, 30, 0.2);
        }
        
        .featured-dropdown-card {
            background: linear-gradient(135deg, rgba(201, 21, 30, 0.03), rgba(201, 21, 30, 0.08));
            border-radius: 12px;
            padding: 16px;
            margin-top: 16px;
        }
        
        .featured-dropdown-card-title {
            font-weight: 600;
            color: #111827;
            margin-bottom: 8px;
        }
        
        .featured-dropdown-card-desc {
            font-size: 14px;
            color: #6b7280;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        .cat-button {
            display: inline-block;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        
        .cat-button-primary {
            background-color: rgba(201, 21, 30, 0.1);
            color: #c9151e;
        }
        
        .cat-button-primary:hover {
            background-color: rgba(201, 21, 30, 0.2);
        }
        
        .cat-button-secondary {
            background-color: rgba(201, 21, 30, 0.05);
            color: #6b7280;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .cat-button-secondary:hover {
            background-color: rgba(201, 21, 30, 0.1);
        }
        
        /* Main title styles */
        .main-title {
            font-size: 56px;
            font-weight: 700;
            color: #111827;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        .sub-title {
            font-size: 24px;
            font-weight: 400;
            color: #333;
            line-height: 1.4;
        }
        
        .large-title {
            font-size: 36px;
            font-weight: 600;
            color: #111827;
            line-height: 1.3;
        }
        
        .card-title {
            font-size: 24px;
            font-weight: 600;
            color: #111827;
            line-height: 1.4;
        }
        
        .body-text {
            font-size: 18px;
            line-height: 1.6;
        }
        
        /* Section spacing */
        .section-spacing {
            padding-top: 100px;
            padding-bottom: 100px;
        }
        
        /* Search bar styles */
        .search-bar {
            transition: all 0.3s ease;
            width: 40px;
            overflow: hidden;
        }
        
        .search-bar.expanded {
            width: 240px;
        }
        
        

        /* AI section styles */
        .ai-section {
            background: linear-gradient(135deg, #f8f9fa, #f1f3f5);
        }
        
        .ai-container {
            max-width: 1400px;
        }
        
        /* Product card styles */
        .product-card {
            background: linear-gradient(135deg, #f8f9fa, #f1f3f5);
            transition: all 0.3s ease;
        }
        
        .product-card:hover {
            background: linear-gradient(135deg, #f1f3f5, #e9ecef);
        }
        
        /* Contact experts section */
        .experts-section {
            background: linear-gradient(135deg, #f8f9fa, #f1f3f5);
        }
        
        .expert-card {
            transition: all 0.3s ease;
        }
        
        .expert-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #c9151e, #e53e3e);
        }
        
        /* Footer styles */
        .footer {
            background-color: #111827;
        }
        
        .footer-link {
            transition: all 0.2s ease;
        }
        
        .footer-link:hover {
            color: #c9151e;
            transform: translateX(4px);
        }


        /* Floating Assistant */
        .floating-assistant {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .assistant-button {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #c9151e, #e53e3e);
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 24px;
            box-shadow: 0 5px 15px rgba(201, 21, 30, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .assistant-button:hover {
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 8px 20px rgba(201, 21, 30, 0.5);
        }
        
        .assistant-chat {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 300px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            display: none;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .assistant-chat.active {
            display: block;
            transform: translateY(0);
            opacity: 1;
        }
        
        .chat-header {
            background: linear-gradient(135deg, #c9151e, #e53e3e);
            color: white;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .chat-messages {
            height: 250px;
            padding: 15px;
            overflow-y: auto;
            background: #f8f9fa;
        }
        
        .message {
            margin-bottom: 10px;
            padding: 10px;
            border-radius: 10px;
            max-width: 80%;
        }
        
        .bot-message {
            background: white;
            align-self: flex-start;
            border: 1px solid #e5e7eb;
        }
        
        .user-message {
            background: #c9151e;
            color: white;
            align-self: flex-end;
            margin-left: auto;
        }
        
        .chat-input {
            display: flex;
            padding: 10px;
            background: white;
            border-top: 1px solid #e5e7eb;
        }
        
        .chat-input input {
            flex: 1;
            padding: 10px;
            border: 1px solid #e5e7eb;
            border-radius: 20px;
            outline: none;
        }
        
        .chat-input button {
            background: #c9151e;
            color: white;
            border: none;
            border-radius: 20px;
            padding: 8px 15px;
            margin-left: 10px;
            cursor: pointer;
        }

        /* Particle container */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }
        /* Contact Form */
        .contact-form {
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 40px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #111827;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: #c9151e;
            box-shadow: 0 0 0 3px rgba(201, 21, 30, 0.2);
            outline: none;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, #c9151e, #e53e3e);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 12px 20px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(201, 21, 30, 0.4);
        }
        
        /* Contact Card */
        .contact-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 30px;
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .contact-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(201, 21, 30, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        .contact-icon i {
            font-size: 28px;
            color: #c9151e;
        }
                
        /* Map Container */
        .map-container {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            height: 100%;
        }        

        /* Section spacing */
        .section-spacing {
            padding-top: 100px;
            padding-bottom: 100px;
        }

        /* Responsive adjustments */
        @media (max-width: 1024px) {
            .main-title {
                font-size: 42px;
            }
            
            .sub-title {
                font-size: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .main-title {
                font-size: 32px;
            }
            
            .sub-title {
                font-size: 18px;
            }
            
            .large-title {
                font-size: 28px;
            }
            
            .section-spacing {
                padding-top: 60px;
                padding-bottom: 60px;
            }
            
            .ai-container {
                flex-direction: column;
            }
        }
          .tech-chip {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            padding: 4px 12px;
            margin: 0 5px 10px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
           }
        
        .tech-chip i {
            margin-right: 5px;
            color: #c9151e;
           }