Changed around line 1
+ :root {
+ --primary: #4361ee;
+ --primary-dark: #3a56d4;
+ --secondary: #3f37c9;
+ --accent: #4895ef;
+ --light: #f8f9fa;
+ --dark: #212529;
+ --success: #4cc9f0;
+ --warning: #f72585;
+ --gray: #6c757d;
+ --light-gray: #e9ecef;
+ }
+
+ * {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+ }
+
+ body {
+ font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
+ line-height: 1.6;
+ color: var(--dark);
+ background-color: #fff;
+ overflow-x: hidden;
+ }
+
+ header.hero {
+ background: linear-gradient(135deg, var(--primary), var(--secondary));
+ color: white;
+ padding: 2rem 0;
+ position: relative;
+ overflow: hidden;
+ }
+
+ header.hero::before {
+ content: '';
+ position: absolute;
+ top: -50%;
+ left: -50%;
+ width: 200%;
+ height: 200%;
+ background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
+ animation: pulse 15s infinite linear;
+ }
+
+ @keyframes pulse {
+ 0% { transform: rotate(0deg); }
+ 100% { transform: rotate(360deg); }
+ }
+
+ nav {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ max-width: 1200px;
+ margin: 0 auto;
+ padding: 0 2rem;
+ }
+
+ .logo {
+ font-size: 1.8rem;
+ font-weight: 700;
+ color: white;
+ text-decoration: none;
+ }
+
+ .nav-links {
+ display: flex;
+ gap: 1.5rem;
+ align-items: center;
+ }
+
+ .nav-links a {
+ color: white;
+ text-decoration: none;
+ font-weight: 500;
+ transition: opacity 0.3s;
+ }
+
+ .nav-links a:hover {
+ opacity: 0.8;
+ }
+
+ .cta-button {
+ background: white;
+ color: var(--primary);
+ padding: 0.5rem 1.2rem;
+ border-radius: 50px;
+ font-weight: 600;
+ transition: all 0.3s;
+ }
+
+ .cta-button:hover {
+ transform: translateY(-2px);
+ box-shadow: 0 4px 12px rgba(0,0,0,0.1);
+ }
+
+ .hero-content {
+ max-width: 1200px;
+ margin: 4rem auto;
+ padding: 0 2rem;
+ text-align: center;
+ position: relative;
+ z-index: 1;
+ }
+
+ .hero-content h1 {
+ font-size: 3.5rem;
+ margin-bottom: 1.5rem;
+ line-height: 1.2;
+ }
+
+ .hero-content p {
+ font-size: 1.2rem;
+ max-width: 700px;
+ margin: 0 auto 2.5rem;
+ opacity: 0.9;
+ }
+
+ .hero-buttons {
+ display: flex;
+ gap: 1rem;
+ justify-content: center;
+ }
+
+ .primary-button, .secondary-button {
+ padding: 0.8rem 1.8rem;
+ border-radius: 50px;
+ font-weight: 600;
+ text-decoration: none;
+ transition: all 0.3s;
+ }
+
+ .primary-button {
+ background: white;
+ color: var(--primary);
+ }
+
+ .primary-button:hover {
+ transform: translateY(-2px);
+ box-shadow: 0 4px 12px rgba(0,0,0,0.1);
+ }
+
+ .secondary-button {
+ border: 2px solid white;
+ color: white;
+ }
+
+ .secondary-button:hover {
+ background: rgba(255,255,255,0.1);
+ }
+
+ section {
+ padding: 5rem 2rem;
+ }
+
+ .features {
+ max-width: 1200px;
+ margin: 0 auto;
+ }
+
+ .features h2, .demo-section h2, .pricing h2 {
+ text-align: center;
+ font-size: 2.5rem;
+ margin-bottom: 3rem;
+ color: var(--dark);
+ }
+
+ .feature-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+ gap: 2rem;
+ }
+
+ .feature-card {
+ background: white;
+ border-radius: 12px;
+ padding: 2rem;
+ text-align: center;
+ transition: transform 0.3s, box-shadow 0.3s;
+ border: 1px solid var(--light-gray);
+ }
+
+ .feature-card:hover {
+ transform: translateY(-5px);
+ box-shadow: 0 10px 30px rgba(0,0,0,0.05);
+ }
+
+ .feature-icon {
+ font-size: 2.5rem;
+ margin-bottom: 1.5rem;
+ }
+
+ .feature-card h3 {
+ font-size: 1.3rem;
+ margin-bottom: 1rem;
+ color: var(--dark);
+ }
+
+ .feature-card p {
+ color: var(--gray);
+ }
+
+ .demo-section {
+ background: var(--light);
+ }
+
+ .chat-demo {
+ max-width: 500px;
+ margin: 0 auto;
+ background: white;
+ border-radius: 12px;
+ overflow: hidden;
+ box-shadow: 0 5px 15px rgba(0,0,0,0.05);
+ }
+
+ .chat-header {
+ display: flex;
+ align-items: center;
+ padding: 1rem;
+ background: var(--primary);
+ color: white;
+ }
+
+ .chat-avatar {
+ width: 40px;
+ height: 40px;
+ border-radius: 50%;
+ background: white;
+ margin-right: 1rem;
+ }
+
+ .chat-info h3 {
+ font-size: 1rem;
+ margin-bottom: 0.2rem;
+ }
+
+ .chat-info p {
+ font-size: 0.8rem;
+ opacity: 0.8;
+ }
+
+ .chat-messages {
+ padding: 1.5rem;
+ height: 300px;
+ overflow-y: auto;
+ background: #f9f9f9;
+ }
+
+ .message {
+ max-width: 70%;
+ padding: 0.8rem 1rem;
+ border-radius: 12px;
+ margin-bottom: 1rem;
+ position: relative;
+ }
+
+ .message.received {
+ background: white;
+ border-top-left-radius: 0;
+ margin-right: auto;
+ box-shadow: 0 1px 3px rgba(0,0,0,0.05);
+ }
+
+ .message.sent {
+ background: var(--primary);
+ color: white;
+ border-top-right-radius: 0;
+ margin-left: auto;
+ }
+
+ .chat-input {
+ display: flex;
+ padding: 1rem;
+ background: white;
+ border-top: 1px solid var(--light-gray);
+ }
+
+ .chat-input input {
+ flex: 1;
+ padding: 0.8rem 1rem;
+ border: 1px solid var(--light-gray);
+ border-radius: 50px;
+ outline: none;
+ font-size: 1rem;
+ }
+
+ .send-button {
+ width: 40px;
+ height: 40px;
+ border-radius: 50%;
+ background: var(--primary);
+ color: white;
+ border: none;
+ margin-left: 0.5rem;
+ cursor: pointer;
+ transition: background 0.3s;
+ }
+
+ .send-button:hover {
+ background: var(--primary-dark);
+ }
+
+ .pricing {
+ max-width: 1200px;
+ margin: 0 auto;
+ }
+
+ .pricing-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+ gap: 2rem;
+ }
+
+ .pricing-card {
+ background: white;
+ border-radius: 12px;
+ padding: 2rem;
+ text-align: center;
+ transition: transform 0.3s, box-shadow 0.3s;
+ border: 1px solid var(--light-gray);
+ position: relative;
+ }
+
+ .pricing-card:hover {
+ transform: translateY(-5px);
+ box-shadow: 0 10px 30px rgba(0,0,0,0.05);
+ }
+
+ .pricing-card.featured {
+ border: 2px solid var(--primary);
+ }
+
+ .featured-badge {
+ position: absolute;
+ top: -12px;
+ right: 20px;
+ background: var(--primary);
+ color: white;
+ padding: 0.3rem 1rem;
+ border-radius: 50px;
+ font-size: 0.8rem;
+ font-weight: 600;
+ }
+
+ .pricing-card h3 {
+ font-size: 1.5rem;
+ margin-bottom: 1.5rem;
+ }
+
+ .price {
+ margin-bottom: 1.5rem;
+ }
+
+ .price span:first-child {
+ font-size: 2.5rem;
+ font-weight: 700;
+ color: var(--dark);
+ }
+
+ .price span:last-child {
+ color: var(--gray);
+ font-size: 1rem;
+ }
+
+ .pricing-card ul {
+ list-style: none;
+ margin-bottom: 2rem;
+ }
+
+ .pricing-card ul li {
+ padding: 0.5rem 0;
+ color: var(--gray);
+ }
+
+ .pricing-button {
+ display: inline-block;
+ padding: 0.8rem 1.8rem;
+ border-radius: 50px;
+ font-weight: 600;
+ text-decoration: none;
+ transition: all 0.3s;
+ background: var(--light);
+ color: var(--dark);
+ border: 1px solid var(--light-gray);
+ }
+
+ .pricing-button.primary {
+ background: var(--primary);
+ color: white;
+ }
+
+ .pricing-button:hover {
+ transform: translateY(-2px);
+ box-shadow: 0 4px 12px rgba(0,0,0,0.1);
+ }
+
+ footer {
+ background: var(--dark);
+ color: white;
+ padding: 4rem 2rem 2rem;
+ }
+
+ .footer-content {
+ max-width: 1200px;
+ margin: 0 auto;
+ display: grid;
+ grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+ gap: 2rem;
+ }
+
+ .footer-logo h3 {
+ font-size: 1.5rem;
+ margin-bottom: 1rem;
+ }
+
+ .footer-logo p {
+ opacity: 0.7;
+ }
+
+ .footer-links h4 {
+ font-size: 1.1rem;
+ margin-bottom: 1.5rem;
+ }
+
+ .footer-links a {
+ display: block;
+ color: white;
+ opacity: 0.7;
+ text-decoration: none;
+ margin-bottom: 0.8rem;
+ transition: opacity 0.3s;
+ }
+
+ .footer-links a:hover {
+ opacity: 1;
+ }
+
+ .copyright {
+ max-width: 1200px;
+ margin: 3rem auto 0;
+ padding-top: 2rem;
+ border-top: 1px solid rgba(255,255,255,0.1);
+ text-align: center;
+ opacity: 0.7;
+ }
+
+ @media (max-width: 768px) {
+ .hero-content h1 {
+ font-size: 2.5rem;
+ }
+
+ .hero-buttons {
+ flex-direction: column;
+ align-items: center;
+ }
+
+ .nav-links {
+ display: none;
+ }
+
+ .feature-grid, .pricing-grid {
+ grid-template-columns: 1fr;
+ }
+
+ .message {
+ max-width: 85%;
+ }
+ }
+
+ @media (max-width: 480px) {
+ .hero-content h1 {
+ font-size: 2rem;
+ }
+
+ .hero-content p {
+ font-size: 1rem;
+ }
+
+ section {
+ padding: 3rem 1rem;
+ }
+ }