:root {
     --primary-blue: #2196F3;
     --primary-dark: #1976D2;
     --primary-light: hsl(207, 89%, 68%);
     --accent-purple: #3a8de0;
     --accent-cyan: #00E5FF;
     --dark-bg: #0a0a1a;
     --darker-bg: #050510;
     --card-bg: rgba(255, 255, 255, 0.03);
     --text-primary: #ffffff;
     --text-secondary: rgba(255, 255, 255, 0.7);
     --gradient-1: linear-gradient(135deg, #2196F3 0%, #1e6cba 50%, #00E5FF 100%);
     --gradient-2: linear-gradient(45deg, #00E5FF 0%, #2196F3 100%);
     --glass-bg: rgba(255, 255, 255, 0.05);
     --glass-border: rgba(255, 255, 255, 0.1);
     
     /* Primary Colors */
     --plumb5-blue: #0066FF;
     --plumb5-blue-light: #3385FF;
     --plumb5-blue-dark: #0052CC;
     --plumb5-cyan: #00D4FF;
     --plumb5-teal: #00C9A7;

     /* Secondary Colors */
     --success: #00C9A7;
     --warning: #FFC107;
     --danger: #FF4757;

     /* Dark Theme */
     --dark-bg: #0a1628;
     --dark-bg-light: #111d32;
     --dark-bg-lighter: #1a2744;
     --card-bg: rgba(255, 255, 255, 0.03);

     /* Text Colors */
     --text-primary: #ffffff;
     --text-secondary: rgba(255, 255, 255, 0.7);
     --text-muted: rgba(255, 255, 255, 0.5);
     --bg-main: #050b18;
     --bg-section: #0a1628;
     --bg-section-light: #111d32;
     --bg-card: #0f1f3f;
     /* Gradients */
     --gradient-primary: linear-gradient(135deg, var(--plumb5-blue) 0%, var(--plumb5-cyan) 100%);
     --gradient-dark: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-bg-light) 100%);
     --gradient-glow: radial-gradient(circle, rgba(0, 102, 255, 0.3) 0%, transparent 70%);

     /* Shadows */
     --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
     --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
     --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
     --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
     --shadow-glow-cyan: 0 0 40px rgba(0, 212, 255, 0.3);

     /* Transitions */
     --transition-fast: 0.2s ease;
     --transition-normal: 0.3s ease;
     --transition-slow: 0.5s ease;

     /* Border Radius */
     --radius-sm: 8px;
     --radius-md: 12px;
     --radius-lg: 20px;
     --radius-xl: 30px;
 }


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

 body {
     font-family: 'Inter', sans-serif;
     background: var(--darker-bg);
     color: var(--text-primary);
     overflow-x: hidden;
     line-height: 1.6;
 }

 h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
     font-family: 'Space Grotesk', sans-serif;
     font-weight: 700;
 }

 ::-webkit-scrollbar {
     width: 8px;
 }

 ::-webkit-scrollbar-track {
     background: var(--dark-bg);
 }

 ::-webkit-scrollbar-thumb {
     background: var(--primary-blue);
     border-radius: 4px;
 }


 .navbar {
     background: linear-gradient(180deg,
             rgba(5, 11, 24, 0.95) 0%,
             rgba(7, 26, 51, 0.95) 100%);
     backdrop-filter: blur(20px);
     border-bottom: 1px solid var(--glass-border);
     padding: 15px 0;
     transition: all 0.3s ease;
 }

 .navbar.scrolled {
     background: #050B18;
     padding: 10px 0;
 }

 .navbar-brand img {
     height: 45px;
     filter: drop-shadow(0 0 20px rgba(33, 150, 243, 0.5));
 }

 .nav-link {
     color: var(--text-secondary) !important;
     font-weight: 500;
     margin: 0 15px;
     position: relative;
     transition: all 0.3s ease;
 }

 .nav-link:hover {
     color: var(--text-primary) !important;
 }

 .nav-link::after {
     content: '';
     position: absolute;
     bottom: -5px;
     left: 0;
     width: 0;
     height: 2px;
     background: var(--gradient-2);
     transition: width 0.3s ease;
 }

 .nav-link:hover::after {
     width: 100%;
 }

 .btn-primary-custom {
     background: var(--gradient-1);
     border: none;
     padding: 12px 30px;
     border-radius: 50px;
     color: white;
     font-weight: 600;
     position: relative;
     overflow: hidden;
     transition: all 0.3s ease;
     box-shadow: 0 4px 30px rgba(33, 150, 243, 0.4);
 }

 .btn-primary-custom:hover {
     transform: translateY(-3px);
     box-shadow: 0 10px 40px rgba(33, 150, 243, 0.6);
     color: white;
 }

 .btn-primary-custom::before {
     content: '';
     position: absolute;
     top: 0;
     left: -100%;
     width: 100%;
     height: 100%;
     background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
     transition: left 0.5s ease;
 }

 .btn-primary-custom:hover::before {
     left: 100%;
 }

 .btn-outline-custom {
     background: transparent;
     border: 2px solid var(--primary-blue);
     padding: 10px 28px;
     border-radius: 50px;
     color: var(--primary-blue);
     font-weight: 600;
     transition: all 0.3s ease;
 }

 .btn-outline-custom:hover {
     background: var(--primary-blue);
     color: white;
     transform: translateY(-3px);
     box-shadow: 0 10px 30px rgba(33, 150, 243, 0.4);
 }

 /* Hero Section */
 .hero-section {
     min-height: 100vh;
     position: relative;
     display: flex;
     align-items: center;
     overflow: hidden;
     padding: 120px 0 80px;
     background: radial-gradient(circle at 40% 10%, #0E2A55 0%, #050B18 60%);

 }

 #hero-canvas {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     z-index: 0;
 }

 .hero-content {
     position: relative;
     z-index: 2;
 }

 .hero-badge {
     display: inline-flex;
     align-items: center;
     gap: 10px;
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
     padding: 10px 20px;
     border-radius: 50px;
     font-size: 14px;
     color: var(--accent-cyan);
     margin-bottom: 25px;
     animation: fadeInUp 0.8s ease;
 }

 .hero-badge i {
     animation: pulse 2s infinite;
 }

 @keyframes pulse {

     0%,
     100% {
         opacity: 1;
     }

     50% {
         opacity: 0.5;
     }
 }

 .hero-title {
     font-size: clamp(2.4rem, 5vw, 4.5rem);
     font-weight: 800;
     line-height: 1.1;
     margin-bottom: 25px;
     animation: fadeInUp 0.8s ease 0.2s both;
 }

 .hero-title .gradient-text {
     background: var(--gradient-1);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     position: relative;
 }

 .hero-subtitle {
     font-size: 1.2rem;
     color: var(--text-secondary);
     margin-bottom: 35px;
     max-width: 600px;
     animation: fadeInUp 0.8s ease 0.4s both;
 }

 .hero-buttons {
     display: flex;
     gap: 20px;
     flex-wrap: wrap;
     animation: fadeInUp 0.8s ease 0.6s both;
 }

 /* 3D Chatbot Interface */
 .chatbot-3d-container {
     position: relative;
     perspective: 1000px;
     animation: fadeInUp 0.8s ease 0.8s both;
 }

 .chatbot-interface {
     background: var(--glass-bg);
     backdrop-filter: blur(20px);
     border: 1px solid var(--glass-border);
     border-radius: 25px;
     overflow: hidden;
     box-shadow:
         0 25px 80px rgba(33, 150, 243, 0.3),
         0 0 0 1px rgba(255, 255, 255, 0.05),
         inset 0 1px 0 rgba(255, 255, 255, 0.1);
     transform-style: preserve-3d;
     animation: float 6s ease-in-out infinite;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0) rotateX(5deg) rotateY(-5deg);
     }

     50% {
         transform: translateY(-20px) rotateX(5deg) rotateY(-5deg);
     }
 }

 .chatbot-header {
     background: var(--gradient-1);
     padding: 20px;
     display: flex;
     align-items: center;
     gap: 15px;
 }

 .chatbot-avatar {
     width: 50px;
     height: 50px;
     background: white;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 24px;
     animation: avatarPulse 2s ease-in-out infinite;
 }

 @keyframes avatarPulse {

     0%,
     100% {
         box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
     }

     50% {
         box-shadow: 0 0 0 15px rgba(255, 255, 255, 0);
     }
 }

 .chatbot-info h5 {
     margin: 0;
     font-size: 16px;
 }

 .chatbot-info span {
     font-size: 12px;
     opacity: 0.8;
 }

 .chatbot-messages {
     padding: 20px;
     height: 350px;
     overflow-y: auto;
     background: linear-gradient(180deg, rgba(10, 10, 26, 0.5) 0%, rgba(5, 5, 16, 0.8) 100%);
 }

 .message {
     display: flex;
     gap: 12px;
     margin-bottom: 20px;
     opacity: 0;
     transform: translateY(20px);
     animation: messageSlide 0.5s ease forwards;
 }

 .message:nth-child(1) {
     animation-delay: 1s;
 }

 .message:nth-child(2) {
     animation-delay: 2.5s;
 }

 .message:nth-child(3) {
     animation-delay: 4s;
 }

 .message:nth-child(4) {
     animation-delay: 5.5s;
 }

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

 .message-avatar {
     width: 35px;
     height: 35px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 14px;
     flex-shrink: 0;
 }

 .message-avatar.vee {
     background: var(--gradient-1);
 }

 .message-avatar.user {
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
 }

 .message-content {
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
     padding: 15px;
     border-radius: 18px;
     border-bottom-left-radius: 5px;
     max-width: 80%;
 }

 .message.user-message {
     flex-direction: row-reverse;
 }

 .message.user-message .message-content {
     background: var(--gradient-1);
     border-bottom-left-radius: 18px;
     border-bottom-right-radius: 5px;
 }

 .typing-indicator {
     display: flex;
     gap: 5px;
     padding: 15px 20px;
 }

 .typing-indicator span {
     width: 8px;
     height: 8px;
     background: var(--primary-blue);
     border-radius: 50%;
     animation: typing 1.4s ease-in-out infinite;
 }

 .typing-indicator span:nth-child(2) {
     animation-delay: 0.2s;
 }

 .typing-indicator span:nth-child(3) {
     animation-delay: 0.4s;
 }

 @keyframes typing {

     0%,
     60%,
     100% {
         transform: translateY(0);
     }

     30% {
         transform: translateY(-10px);
     }
 }

 .chatbot-input {
     padding: 15px 20px;
     background: rgba(0, 0, 0, 0.3);
     display: flex;
     gap: 10px;
     align-items: center;
 }

 .chatbot-input input {
     flex: 1;
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
     border-radius: 25px;
     padding: 12px 20px;
     color: white;
     outline: none;
 }

 .chatbot-input input::placeholder {
     color: var(--text-secondary);
 }

 .chatbot-input button {
     width: 45px;
     height: 45px;
     border-radius: 50%;
     background: var(--gradient-1);
     border: none;
     color: white;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all 0.3s ease;
 }

 .chatbot-input button:hover {
     transform: scale(1.1);
     box-shadow: 0 5px 20px rgba(33, 150, 243, 0.5);
 }

 /* Section Styles */
 .section-padding {
     padding: 100px 0;
 }

 .section-header {
     text-align: center;
     margin-bottom: 30px;
 }

 .section-label {
     display: inline-block;
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
     padding: 8px 20px;
     border-radius: 50px;
     font-size: 13px;
     color: var(--accent-cyan);
     text-transform: uppercase;
     letter-spacing: 2px;
     margin-bottom: 20px;
 }

 .section-title {
     font-size: clamp(2rem, 4vw, 3rem);
     margin-bottom: 20px;
 }

 .section-subtitle {
     color: var(--text-secondary);
     max-width: 600px;
     margin: 0 auto;
 }

 /* Features Section */
 .features-section {
     background: #0a1628;
     position: relative;
 }

 .features-section::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     height: 1px;
     background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
 }

 .feature-card {
     background: var(--card-bg);
     border: 1px solid var(--glass-border);
     border-radius: 24px;
     padding: 40px 30px;
     height: 100%;
     position: relative;
     overflow: hidden;
     transition: all 0.5s ease;
     transform-style: preserve-3d;
 }

 .feature-card::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     height: 3px;
     background: var(--gradient-1);
     transform: scaleX(0);
     transition: transform 0.5s ease;
 }

 .feature-card:hover {
     transform: translateY(-10px) rotateX(5deg);
     border-color: var(--primary-blue);
     box-shadow:
         0 30px 60px rgba(33, 150, 243, 0.2),
         0 0 100px rgba(33, 150, 243, 0.1);
 }

 .feature-card:hover::before {
     transform: scaleX(1);
 }

 .feature-icon {
     width: 70px;
     height: 70px;
     background: var(--gradient-1);
     border-radius: 20px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 28px;
     margin-bottom: 25px;
     position: relative;
     overflow: hidden;
 }

 .feature-icon::after {
     content: '';
     position: absolute;
     top: -50%;
     left: -50%;
     width: 200%;
     height: 200%;
     background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
     animation: shimmer 3s infinite;
 }

 @keyframes shimmer {
     0% {
         transform: translateX(-100%) translateY(-100%) rotate(45deg);
     }

     100% {
         transform: translateX(100%) translateY(100%) rotate(45deg);
     }
 }

 .feature-card h4 {
     font-size: 1.3rem;
     margin-bottom: 15px;
 }

 .feature-card p {
     color: var(--text-secondary);
     font-size: 0.95rem;
     line-height: 1.7;
 }

 /* Benefits Section */
 .benefits-section {
     position: relative;
     overflow: hidden;
     background: linear-gradient(180deg, #050b18 0%, #0a1628 100%);
 }

 .benefit-item {
     display: flex;
     align-items: flex-start;
     gap: 20px;
     padding: 25px;
     background: var(--glass-bg);
     border: 1px solid var(--glass-border);
     border-radius: 20px;
     margin-bottom: 20px;
     transition: all 0.4s ease;
     opacity: 0;
     transform: translateX(-50px);
 }

 .benefit-item.visible {
     opacity: 1;
     transform: translateX(0);
 }

 .benefit-item:hover {
     background: rgba(33, 150, 243, 0.1);
     border-color: var(--primary-blue);
     transform: translateX(10px);
 }

 .benefit-icon {
     width: 50px;
     height: 50px;
     min-width: 50px;
     background: var(--gradient-1);
     border-radius: 15px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 20px;
 }

 .benefit-content h5 {
     margin-bottom: 8px;
     font-size: 1.1rem;
 }

 .benefit-content p {
     color: var(--text-secondary);
     font-size: 0.9rem;
     margin: 0;
 }

 /* 3D Visual */
 .visual-3d-container {
     position: relative;
     height: 500px;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .orbit-container {
     position: relative;
     width: 500px;
     height: 500px;
     perspective: 1000px;
 }

 .orbit-center {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     width: 170px;
     height: 170px;
     background: var(--gradient-1);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 50px;
     box-shadow:
         0 0 60px rgba(33, 150, 243, 0.5),
         0 0 100px rgba(124, 77, 255, 0.3);
     animation: centerPulse 3s ease-in-out infinite;
 }

 @keyframes centerPulse {

     0%,
     100% {
         transform: translate(-50%, -50%) scale(1);
     }

     50% {
         transform: translate(-50%, -50%) scale(1.1);
     }
 }

 .orbit-ring {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     border: 2px dashed rgba(33, 150, 243, 0.3);
     border-radius: 50%;
 }

 .orbit-ring-1 {
     width: 250px;
     height: 250px;
     animation: orbitRotate 20s linear infinite;
 }

 .orbit-ring-2 {
     width: 410px;
     height: 410px;
     animation: orbitRotate 30s linear infinite reverse;
 }

 @keyframes orbitRotate {
     from {
         transform: translate(-50%, -50%) rotate(0deg);
     }

     to {
         transform: translate(-50%, -50%) rotate(360deg);
     }
 }

 .orbit-item {
     position: absolute;
     width: 50px;
     height: 50px;
     background: var(--glass-bg);
     border: 2px solid var(--primary-blue);
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 20px;
     box-shadow: 0 5px 20px rgba(33, 150, 243, 0.3);
 }

 .orbit-item:nth-child(2) {
     top: -25px;
     left: 50%;
     transform: translateX(-50%);
 }

 .orbit-item:nth-child(3) {
     bottom: -25px;
     left: 50%;
     transform: translateX(-50%);
 }

 .orbit-item:nth-child(4) {
     left: -25px;
     top: 50%;
     transform: translateY(-50%);
 }

 .orbit-item:nth-child(5) {
     right: -25px;
     top: 50%;
     transform: translateY(-50%);
 }

 /* How It Works Section */
 .how-it-works-section {
     background: linear-gradient(180deg, #0a1628 0%, #111d32 100%);
 }

 .step-card {
     text-align: center;
     padding: 40px 30px;
     position: relative;
 }

 .step-number {
     width: 80px;
     height: 80px;
     background: var(--gradient-1);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 2rem;
     font-weight: 800;
     margin: 0 auto 25px;
     position: relative;
     box-shadow: 0 10px 40px rgba(33, 150, 243, 0.4);
 }

 .step-number::before {
     content: '';
     position: absolute;
     inset: -10px;
     border: 2px dashed var(--primary-blue);
     border-radius: 50%;
     animation: spin 10s linear infinite;
 }

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

     to {
         transform: rotate(360deg);
     }
 }

 .step-card h4 {
     margin-bottom: 15px;
 }

 .step-card p {
     color: var(--text-secondary);
 }

 .step-connector {
     position: absolute;
     top: 80px;
     right: -50%;
     width: 100%;
     height: 2px;
     background: linear-gradient(90deg, var(--primary-blue), transparent);
 }

 /* CTA Section */
 .cta-section {
     background: linear-gradient(180deg,
             #071A33 0%,
             #0A1F3F 100%);

     position: relative;
     padding: 120px 0;
     overflow: hidden;
 }

 .cta-bg {
     position: absolute;
     inset: 0;
     background: var(--gradient-1);
     opacity: 0.1;
 }

 .cta-content {
     position: relative;
     z-index: 2;
     text-align: center;
 }

 .cta-title {
     font-size: clamp(2rem, 4vw, 3.5rem);
     margin-bottom: 20px;
 }

 .cta-subtitle {
     color: var(--text-secondary);
     margin-bottom: 40px;
     font-size: 1.1rem;
 }

 /* Demo Form */
 .demo-form-container {
     background: var(--glass-bg);
     backdrop-filter: blur(20px);
     border: 1px solid var(--glass-border);
     border-radius: 30px;
     padding: 50px;
     max-width: 600px;
     margin: 0 auto;
     box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
 }

 .form-floating {
     margin-bottom: 20px;
 }

 .form-floating input,
 .form-floating textarea {
     background: rgba(0, 0, 0, 0.3);
     border: 1px solid var(--glass-border);
     border-radius: 15px;
     color: white;
     padding: 20px;
 }

 .form-floating input:focus,
 .form-floating textarea:focus {
     background: rgba(0, 0, 0, 0.5);
     border-color: var(--primary-blue);
     box-shadow: 0 0 20px rgba(33, 150, 243, 0.2);
     color: white;
 }

 .form-floating label {
     color: var(--text-secondary);
     padding-left: 20px;
 }

 .form-floating input:focus~label,
 .form-floating input:not(:placeholder-shown)~label,
 .form-floating textarea:focus~label,
 .form-floating textarea:not(:placeholder-shown)~label {
     color: var(--primary-blue);
     transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
 }

 /* Footer */
 .footer {
     background: #030812;
     border-top: 1px solid var(--glass-border);
     padding: 70px 0 30px;
 }

 .footer-logo {
     height: 50px;
     margin-bottom: 20px;
 }

 .footer-text {
     color: var(--text-secondary);
     font-size: 15px;
     line-height: 1.7;
     max-width: 360px;
 }

 /* Footer Links */

 .footer-links h5 {
     font-size: 16px;
     margin-bottom: 18px;
     color: #ffffff;
     font-weight: 600;
 }

 .footer-links ul {
     list-style: none;
     padding: 0;
     margin: 0;
 }

 .footer-links li {
     margin-bottom: 10px;
 }

 .footer-links a {
     color: var(--text-secondary);
     text-decoration: none;
     font-size: 14px;
     transition: all .3s ease;
 }

 .footer-links a:hover {
     color: #00c6ff;
     padding-left: 4px;
 }


 /* Contact Section */

 .footer-contact li {
     display: flex;
     gap: 12px;
     align-items: flex-start;
     margin-bottom: 14px;
     font-size: 14px;
     color: var(--text-secondary);
 }

 .footer-contact i {
     color: #00c6ff;
     font-size: 15px;
     margin-top: 4px;
 }

 .footer-contact a {
     color: var(--text-secondary);
     text-decoration: none;
 }

 .footer-contact a:hover {
     color: #00c6ff;
 }


 /* Social Icons */

 .social-links {
     display: flex;
     gap: 14px;
 }

 .social-links a {
     width: 42px;
     height: 42px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 50%;
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.1);
     color: #cbd5e1;
     font-size: 16px;
     transition: all .3s ease;
 }

 .social-links a:hover {
     background: linear-gradient(135deg, #0066ff, #00c6ff);
     border-color: transparent;
     color: white;
     transform: translateY(-4px);
 }


 /* Footer Bottom */

 .footer-bottom {
     border-top: 1px solid rgba(255, 255, 255, 0.05);
     margin-top: 40px;
     padding-top: 25px;
     text-align: center;
     color: var(--text-secondary);
     font-size: 14px;
 }

 .footer-bottom a {
     color: var(--text-secondary);
     text-decoration: none;
     margin: 0 6px;
 }

 .footer-bottom a:hover {
     color: #00c6ff;
 }

 /* Particles */
 .particles {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     pointer-events: none;
     z-index: 1;
 }

 .particle {
     position: absolute;
     width: 4px;
     height: 4px;
     background: var(--primary-blue);
     border-radius: 50%;
     opacity: 0.5;
     animation: particleFloat 15s infinite;
 }

 @keyframes particleFloat {

     0%,
     100% {
         transform: translateY(100vh) rotate(0deg);
         opacity: 0;
     }

     10% {
         opacity: 0.5;
     }

     90% {
         opacity: 0.5;
     }

     100% {
         transform: translateY(-100vh) rotate(720deg);
         opacity: 0;
     }
 }

 /* Animations */
 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(30px);
     }

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

 .fade-in-up {
     opacity: 0;
     transform: translateY(30px);
     transition: all 0.8s ease;
 }

 .fade-in-up.visible {
     opacity: 1;
     transform: translateY(0);
 }

 /* Responsive */
 @media (max-width: 991px) {
     .hero-section {
         padding: 100px 0 60px;
     }

     .chatbot-3d-container {
         margin-top: 50px;
     }

     .orbit-container {
         transform: scale(0.7);
     }

     .visual-3d-container {
         height: 350px;
     }

     .step-connector {
         display: none;
     }
 }

 @media (max-width: 768px) {
     .hero-buttons {
         justify-content: center;
     }

     .demo-form-container {
         padding: 30px 20px;
     }

     .section-padding {
         padding: 60px 0;
     }
 }

 /* Loading Animation */
 .loader {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: var(--darker-bg);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 9999;
     transition: opacity 0.5s ease, visibility 0.5s ease;
 }

 .loader.hidden {
     opacity: 0;
     visibility: hidden;
 }

 .loader-content {
     text-align: center;
 }

 .loader-logo {
     width: 100px;
     height: 100px;
     margin-bottom: 20px;
     animation: loaderPulse 1.5s ease-in-out infinite;
 }

 @keyframes loaderPulse {

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

     50% {
         transform: scale(1.1);
         opacity: 0.7;
     }
 }

 .loader-bar {
     width: 200px;
     height: 4px;
     background: var(--glass-bg);
     border-radius: 2px;
     overflow: hidden;
     margin: 0 auto;
 }

 .loader-progress {
     height: 100%;
     background: var(--gradient-1);
     border-radius: 2px;
     animation: loaderProgress 2s ease-in-out infinite;
 }

 @keyframes loaderProgress {
     0% {
         width: 0%;
         margin-left: 0;
     }

     50% {
         width: 100%;
         margin-left: 0;
     }

     100% {
         width: 0%;
         margin-left: 100%;
     }
 }




 /* ============================================
     ROI SECTION
   ============================================ */
 .roi-section {
     background: radial-gradient(circle at center,
             rgba(33, 110, 255, 0.18) 0%,
             #0b1f3d 35%,
             #071a33 70%,
             #050b18 100%);
     position: relative;
     overflow: hidden;
 }

 .roi-section::before {
     content: "";
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     width: 700px;
     height: 350px;
     background: radial-gradient(circle, rgba(0, 170, 255, 0.25) 0%, transparent 70%);
     filter: blur(80px);
     pointer-events: none;
 }

 .roi-content {
     position: relative;
     z-index: 1;
 }

 .roi-subtitle {
     font-size: 1.125rem;
     color: var(--text-secondary);
     margin-bottom: 2rem;
 }

 .roi-ctas {
     display: flex;
     flex-wrap: wrap;
     gap: 0.5rem;
     margin-bottom: 1rem;
 }

 .roi-stats {
     display: flex;
     flex-direction: column;
     gap: 1.5rem;
 }

 .roi-stat-card {
     background: rgba(15, 34, 63, 0.85);
     border: 1px solid rgba(255, 255, 255, 0.06);
     border-radius: var(--radius-lg);
     padding: 1.5rem;
     display: flex;
     align-items: center;
     gap: 1.25rem;
     transition: var(--transition-normal);
 }

 .roi-stat-card:hover {
     border-color: rgba(0, 102, 255, 0.3);
     transform: translateX(10px);
 }

 .stat-icon {
     width: 60px;
     height: 60px;
     background: linear-gradient(135deg, rgba(0, 102, 255, 0.2) 0%, rgba(0, 102, 255, 0.1) 100%);
     border-radius: var(--radius-md);
     display: flex;
     align-items: center;
     justify-content: center;
     flex-shrink: 0;
 }

 .stat-icon i {
     font-size: 1.5rem;
     color: var(--plumb5-blue-light);
 }

 .stat-icon.icon-2 {
     background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
 }

 .stat-icon.icon-2 i {
     color: var(--plumb5-cyan);
 }

 .stat-icon.icon-3 {
     background: linear-gradient(135deg, rgba(0, 201, 167, 0.2) 0%, rgba(0, 201, 167, 0.1) 100%);
 }

 .stat-icon.icon-3 i {
     color: var(--success);
 }

 .stat-icon.icon-4 {
     background: linear-gradient(135deg, rgba(255, 193, 7, 0.2) 0%, rgba(255, 193, 7, 0.1) 100%);
 }

 .stat-icon.icon-4 i {
     color: var(--warning);
 }

 .stat-content {
     display: flex;
     flex-direction: column;
 }

 .stat-content .stat-number {
     font-size: 1.75rem;
     font-weight: 800;
     color: white;
 }

 .stat-content .stat-label {
     font-size: 0.9rem;
     color: var(--text-muted);
 }



 /* ============================================
  HOW IT WORKS SECTION
   ============================================ */

 .how-it-works-section {
     padding: 6rem 0;
     background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);

 }

 .process-flow {
     display: flex;
     justify-content: space-between;
     align-items: flex-start;
     position: relative;
     margin-top: 3rem;
 }

 .process-flow::before {
     content: '';
     position: absolute;
     top: 35px;
     left: 10%;
     right: 10%;
     height: 3px;
     background: linear-gradient(90deg, var(--plumb5-blue), var(--plumb5-light));
     z-index: 0;
 }

 .process-step {
     text-align: center;
     position: relative;
     z-index: 1;
     flex: 1;
     max-width: 180px;
 }

 .step-number {
     width: 70px;
     height: 70px;
     background: white;
     border: 3px solid var(--plumb5-blue);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.5rem;
     font-weight: 700;
     color: var(--plumb5-blue);
     margin: 0 auto 1rem;
     position: relative;
 }

 .step-number::after {
     content: '';
     position: absolute;
     inset: -5px;
     border: 2px dashed var(--plumb5-light);
     border-radius: 50%;
     animation: rotate 20s linear infinite;
 }

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

     to {
         transform: rotate(360deg);
     }
 }

 .process-step h4 {
     font-size: 1rem;
     font-weight: 600;
     margin-bottom: 0.5rem;
 }

 .process-step p {
     font-size: 0.85rem;
     color: var(--text-secondary);
 }


 @media (max-width:768px) {

     .process-flow {
         flex-direction: column;
         align-items: center;
         gap: 30px;
     }

     .process-flow::before {
         display: none;
     }

     .process-step {
         max-width: 100%;
         width: 100%;
         text-align: center;
     }

     .step-number {
         width: 60px;
         height: 60px;
         font-size: 1.2rem;
     }

     .process-step h4 {
         font-size: 16px;
     }

     .process-step p {
         font-size: 14px;
         max-width: 260px;
         margin: 0 auto;
     }

 }



 /* ============================================
   USE CASES SECTION
   ============================================ */
 .use-cases-section {
     background: radial-gradient(circle at 50% 20%,
             rgba(0, 150, 255, 0.18) 0%,
             rgba(10, 22, 40, 1) 45%,
             rgba(5, 11, 24, 1) 100%);
 }

 .use-cases-tabs {
     background: #0A1930;
     border-radius: var(--radius-lg);
     padding: 2rem;
     border: 1px solid rgba(0, 102, 255, 0.1);
 }

 .nav-pills {
     gap: 1rem;
     margin-bottom: 0px;
 }

 .nav-pills .nav-link {
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.1);
     color: var(--text-secondary);
     padding: 0.875rem 1.5rem;
     border-radius: var(--radius-xl);
     font-weight: 500;
     display: flex;
     align-items: center;
     gap: 0.5rem;
     transition: var(--transition-normal);
 }

 .nav-pills .nav-link i {
     font-size: 1.1rem;
 }

 .nav-pills .nav-link:hover {
     background: rgba(0, 102, 255, 0.1);
     border-color: rgba(0, 102, 255, 0.3);
     color: var(--text-primary);
 }

 .nav-pills .nav-link.active {
     background: var(--gradient-primary);
     border-color: transparent;
     color: white;
     box-shadow: var(--shadow-glow);
 }

 .use-case-content {
     padding: 1rem 0;
 }

 .chat-preview {
     background: rgba(0, 0, 0, 0.4);
     border-radius: var(--radius-lg);
     overflow: hidden;
     border: 1px solid rgba(0, 102, 255, 0.2);
 }

 .chat-header {
     background: var(--gradient-1);
     padding: 1rem 1.25rem;
     color: white;
     font-weight: 600;
     display: flex;
     align-items: center;
     gap: 0.5rem;
 }

 .chat-messages {
     background: linear-gradient(180deg,
             #0B1C3A 0%,
             #071A33 100%);
     padding: 1.25rem;
     display: flex;
     flex-direction: column;
     gap: 0.75rem;
 }

 .msg {
     padding: 0.875rem 1rem;
     border-radius: 15px;
     font-size: 0.9rem;
     max-width: 85%;
 }

 .msg.bot {
     background: linear-gradient(135deg, var(--plumb5-blue), var(--plumb5-blue-dark));
     color: white;
     align-self: flex-start;
     border-bottom-left-radius: 4px;
 }

 .msg.user {
     background: rgba(255, 255, 255, 0.1);
     color: white;
     align-self: flex-end;
     border-bottom-right-radius: 4px;
 }

 .msg.qualification {
     background: #111D32;
     border: 1px solid #00ABFF;
     color: whitesmoke;
     font-size: 0.8rem;
 }

 .msg.success {
     background: rgba(0, 201, 167, 0.2);
     border: 1px solid var(--success);
     color: var(--success);
 }

 .use-case-info h3 {
     font-size: 1.75rem;
     color: white;
     margin-bottom: 1rem;
     display: flex;
     align-items: center;
     gap: 0.75rem;
 }

 .use-case-info h3 i {
     color: var(--plumb5-cyan);
 }

 .use-case-info p {
     font-size: 1.1rem;
     color: var(--text-secondary);
     margin-bottom: 1.5rem;
 }

 .use-case-benefits {
     list-style: none;
     padding: 0;
     margin: 0;
 }

 .use-case-benefits li {
     display: flex;
     align-items: center;
     gap: 0.75rem;
     padding: 0.75rem 0;
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
     color: var(--text-secondary);
 }

 .use-case-benefits li:last-child {
     border-bottom: none;
 }

 .use-case-benefits li i {
     color: var(--success);
 }


 .use-cases-tabs .nav-pills .nav-link,
 .use-cases-tabs .nav-pills .nav-link.active {
     border: none !important;
     border-bottom: none !important;
     box-shadow: none !important;
 }


 .use-cases-tabs .nav-pills .nav-link::after,
 .use-cases-tabs .nav-pills .nav-link.active::after {
     display: none !important;
     content: none !important;
 }


 .use-cases-tabs .nav-pills .nav-link {
     position: relative;
 }


 @media (max-width:768px) {

     .use-case {
         padding: 0px 0px 40px 0px;
     }
 }


 /* ============================================
COMPARISON SECTION
============================================ */

 .comparison-section {
     padding: 100px 0;
     background: linear-gradient(180deg,
             #0a152d 0%,
             #071A33 100%);
 }

 /* TABLE WRAPPER */

 .comparison-table {
     background: linear-gradient(180deg, #0e1e3a, #0b1a32);
     border-radius: 18px;
     overflow: hidden;

     border: 1px solid rgba(0, 140, 255, .2);

     box-shadow:
         0 0 60px rgba(0, 120, 255, .08),
         inset 0 0 20px rgba(255, 255, 255, .02);
 }

 /* TABLE */

 .comparison-table table {
     width: 100%;
     border-collapse: collapse;
 }

 /* HEADER */

 .comparison-table th {

     background: #0b1b3a;

     color: #fff;

     padding: 20px 24px;

     font-weight: 600;

     font-size: 15px;

     letter-spacing: .3px;
 }

 /* VEE COLUMN */

 .comparison-table th:last-child {

     background: linear-gradient(135deg,
             #1e6bff,
             #00c6ff);

     color: #fff;

 }

 .check-icon {
     color: #00ff9c;
     margin-right: 6px;
 }

 .cross-icon {
     color: #ff4d4d;
     margin-right: 6px;
 }

 /* BODY */

 .comparison-table td {

     padding: 18px 24px;

     font-size: 15px;

     color: #d4e4ff;

     border-bottom: 1px solid rgba(255, 255, 255, .06);
 }

 /* ROW HOVER */

 .comparison-table tbody tr {

     transition: .25s;
 }

 .comparison-table tbody tr:hover td {

     background: rgba(0, 140, 255, .08);
 }

 /* VEE COLUMN HIGHLIGHT */

 .comparison-table td:last-child {

     color: #fff;

     font-weight: 500;

 }

 /* CHECK ICON */

 .check-icon {

     color: #00ffa6;

     font-size: 18px;
 }

 /* CROSS ICON */

 .cross-icon {

     color: #ff4d4f;

     font-size: 18px;
 }

 /* LAST ROW */

 .comparison-table tr:last-child td {
     border-bottom: none;
 }

 /* MOBILE */

 @media(max-width:768px) {

     .comparison-table {
         overflow-x: auto;
     }

     .comparison-table table {
         min-width: 650px;
     }

     .comparison-table th,
     .comparison-table td {
         padding: 14px 16px;
         font-size: 14px;
     }

 }

 /* =========================================
   FEATURES GRID SECTION
========================================= */
 .features-grid-section {

     background: #0a1628;
 }

 .features-layers {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 30px;
     margin-top: 50px;
     perspective: 1200px;
 }

 /* Card */

 .feature-layer {
     background: linear-gradient(145deg, #0b162b, #0f1f3f);
     border: 1px solid rgba(0, 150, 255, 0.2);
     border-radius: 22px;
     padding: 32px;
     position: relative;
     overflow: hidden;

     transition: all .35s ease;
 }

 .feature-layer:hover {
     transform: translateY(-8px);
     border-color: #00b7ff;

     box-shadow:
         0 20px 50px rgba(0, 140, 255, .25),
         0 0 40px rgba(0, 180, 255, .2);
 }

 /* ICON STYLE (Smaller + Clean) */

 .layer-icon {

     width: 50px;
     height: 50px;

     display: flex;
     align-items: center;
     justify-content: center;

     border-radius: 14px;

     background: linear-gradient(135deg,
             #1f6dff,
             #00c6ff);

     position: relative;

     box-shadow:
         0 6px 18px rgba(0, 140, 255, .35);

 }

 /* rotating ring */

 .layer-icon::before {

     content: "";
     position: absolute;

     width: 70px;
     height: 70px;

     border-radius: 50%;

     border: 2px dashed rgba(0, 180, 255, .5);

     animation: iconRotate 12s linear infinite;

 }

 /* glow */

 .layer-icon::after {

     content: "";
     position: absolute;

     width: 85px;
     height: 85px;

     border-radius: 50%;

     background: radial-gradient(circle,
             rgba(0, 180, 255, .25),
             transparent 70%);

     filter: blur(10px);

 }

 /* icon */

 .layer-icon i {
     font-size: 18px;
     color: white;
     position: relative;
     z-index: 2;
 }

 /* =========================================
   HEADER
========================================= */

 .layer-header {
     display: flex;
     align-items: center;
     gap: 24px;
     margin-bottom: 20px;
 }

 .feature-layer h4 {
     font-size: 22px;
     color: white;
 }

 /* =========================================
   FEATURES
========================================= */

 .layer-features {
     display: flex;
     margin-top: 38px;
     flex-direction: column;
     gap: 12px;
 }

 .feature-tag {
     display: flex;
     align-items: center;
     gap: 8px;
     font-size: 17px;
     color: var(--text-secondary);
 }

 .feature-tag i {
     color: #00ffa6;
     font-size: 13px;
 }

 /* =========================================
   ICON ROTATION
========================================= */

 @keyframes iconRotate {

     from {
         transform: rotate(0deg);
     }

     to {
         transform: rotate(360deg);
     }

 }

 /* =========================================
   MOBILE
========================================= */

 @media(max-width:992px) {

     .features-layers {
         grid-template-columns: 1fr;
     }

 }


 .problem-statement {
     text-align: center;
     padding: 2.5rem;
     background: var(--dark-bg);
     border-radius: 20px;
     color: white;
 }

 .problem-statement h3 {
     font-size: 1.5rem;
     font-weight: 700;
     margin-bottom: 0.5rem;
 }

 .problem-statement p {
     color: rgba(255, 255, 255, 0.7);
     margin: 0;
 }