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

    body {
        font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
        min-height: 100vh;
        margin: 0;
        padding: 0;
        direction: rtl;
        overflow-x: hidden;
    }

    /* Main Content */
    .main-content {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    /* Header */
    .header {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(20px);
        padding: 20px 0;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        color: white;
        font-size: 24px;
        font-weight: 700;
        text-decoration: none;
    }

    .nav-links {
        display: flex;
        gap: 30px;
        list-style: none;
    }

    .nav-links a {
        color: white;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .nav-links a:hover {
        color: #fbbf24;
        transform: translateY(-2px);
    }

    /* Hero Section */
    .hero {
        padding: 120px 20px 80px;
        text-align: center;
        color: white;
    }

    .hero-content {
        max-width: 800px;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 20px;
        line-height: 1.2;
    }

    .hero p {
        font-size: 20px;
        line-height: 1.6;
        margin-bottom: 40px;
        opacity: 0.9;
    }

    .hero-buttons {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn {
        padding: 15px 30px;
        border-radius: 12px;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
        font-size: 16px;
    }

    .btn-primary {
        background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
        color: white;
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(251, 191, 36, 0.4);
    }

    .btn-secondary {
        background: rgba(255, 255, 255, 0.2);
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }

    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-3px);
    }

    /* Features Section */
    .features {
        padding: 80px 20px;
        background: rgba(255, 255, 255, 0.05);
    }

    .features-container {
        max-width: 1200px;
        margin: 0 auto;
    }

    .section-title {
        text-align: center;
        color: white;
        font-size: 36px;
        font-weight: 600;
        margin-bottom: 60px;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 40px;
    }

    .feature-card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(20px);
        border-radius: 20px;
        padding: 40px 30px;
        text-align: center;
        color: white;
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }

    .feature-icon {
        font-size: 48px;
        margin-bottom: 20px;
        display: block;
    }

    .feature-card h3 {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 15px;
    }

    .feature-card p {
        font-size: 16px;
        line-height: 1.6;
        opacity: 0.9;
    }

    /* Chat Widget */
    .chat-widget {
        position: fixed;
        bottom: 30px;
        right: 30px;
        z-index: 1000;
    }

    .chat-toggle {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        transition: all 0.3s ease;
        position: relative;
        border: 3px solid white;
    }

    .chat-toggle:hover {
        transform: scale(1.1);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }

    .chat-toggle .icon {
        font-size: 28px;
        color: white;
    }

    /* Chat Tooltip */
    .chat-tooltip {
        position: absolute;
        bottom: 80px;
        right: 0;
        background: white;
        color: #333;
        padding: 12px 16px;
        border-radius: 12px;
        font-size: 14px;
        font-weight: 500;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease;
        white-space: nowrap;
        border: 1px solid #e2e8f0;
    }

    .chat-tooltip::after {
        content: '';
        position: absolute;
        top: 100%;
        right: 20px;
        border: 8px solid transparent;
        border-top-color: white;
    }

    .chat-toggle:hover .chat-tooltip {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Chat Window */
    .chat-window1{
        position: fixed;
        bottom: 120px;
        right: 30px;
        width: 400px;
        height: 600px;
        background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
        border-radius: 28px;
        box-shadow: 
            0 32px 64px -12px rgba(0, 0, 0, 0.3),
            0 0 0 1px rgba(255, 255, 255, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.9),
            0 8px 32px rgba(102, 126, 234, 0.1);
        display: none;
        flex-direction: column;
        overflow: hidden;
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px) scale(0.95);
        transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        backdrop-filter: blur(30px);
        border: 1px solid rgba(255, 255, 255, 0.25);
        position: relative;
    }

    .chat-window1::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(248, 250, 252, 0.05) 100%);
        border-radius: 28px;
        pointer-events: none;
        z-index: -1;
    }

    .chat-window1.show {
        display: flex;
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    .chat-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 28px 24px 24px;
        text-align: center;
        position: relative;
        border-radius: 28px 28px 0 0;
        box-shadow: 
            0 8px 32px rgba(102, 126, 234, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
        overflow: hidden;
    }

    .chat-header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
            linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
        border-radius: 28px 28px 0 0;
    }

    .chat-header::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    }

    .chat-header h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 8px;
        position: relative;
        z-index: 1;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        letter-spacing: -0.5px;
    }

    .chat-header p {
        font-size: 14px;
        opacity: 0.95;
        position: relative;
        z-index: 1;
        font-weight: 400;
        text-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }

    .chat-close {
        position: absolute;
        top: 20px;
        left: 24px;
        background: rgba(255, 255, 255, 0.15);
        border: none;
        color: white;
        font-size: 18px;
        cursor: pointer;
        padding: 10px;
        border-radius: 50%;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        backdrop-filter: blur(15px);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .chat-close:hover {
        background: rgba(255, 255, 255, 0.25);
        transform: scale(1.1) rotate(90deg);
        box-shadow: 
            0 8px 24px rgba(0, 0, 0, 0.2),
            0 0 0 1px rgba(255, 255, 255, 0.3);
    }

    .chat-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
        position: relative;
        overflow: hidden;
    }

    .chat-content::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent 0%, rgba(102, 126, 234, 0.15) 50%, transparent 100%);
    }

    .chat-content::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 10% 20%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
            radial-gradient(circle at 90% 80%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
        pointer-events: none;
    }

    #chatai {
        flex: 1;
        display: flex;
        flex-direction: column;
        height: 100%;
        background: transparent;
        position: relative;
        z-index: 1;
    }

    /* Enhanced n8n chat styling for Persian */
    .chat-layout {
        height: 100%;
        direction: rtl;
        background: transparent;
    }

    .chat-body {
        background: transparent;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .chat-messages-list {
        padding: 24px;
        direction: rtl;
        flex: 1;
        overflow-y: auto;
        background: transparent;
        position: relative;
    }

    .chat-messages-list::-webkit-scrollbar {
        width: 8px;
    }

    .chat-messages-list::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.03);
        border-radius: 4px;
        margin: 4px;
    }

    .chat-messages-list::-webkit-scrollbar-thumb {
        background: linear-gradient(180deg, rgba(102, 126, 234, 0.4) 0%, rgba(118, 75, 162, 0.4) 100%);
        border-radius: 4px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .chat-messages-list::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(180deg, rgba(102, 126, 234, 0.6) 0%, rgba(118, 75, 162, 0.6) 100%);
    }

    .chat-message {
        margin-bottom: 24px;
        max-width: 88%;
        text-align: right;
        animation: messageSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        position: relative;
    }

    @keyframes messageSlideIn {
        from {
            opacity: 0;
            transform: translateY(15px) scale(0.95);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .chat-message-from-bot {
        background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
        border: 1px solid rgba(226, 232, 240, 0.8);
        box-shadow: 
            0 8px 24px rgba(0, 0, 0, 0.08),
            0 2px 8px rgba(0, 0, 0, 0.06),
            inset 0 1px 0 rgba(255, 255, 255, 0.8);
        margin-left: 0;
        margin-right: auto;
        border-radius: 20px 20px 20px 6px;
        padding: 18px 22px;
        position: relative;
        backdrop-filter: blur(10px);
    }

    .chat-message-from-bot::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
        border-radius: 20px 20px 20px 6px;
        z-index: -1;
    }

    .chat-message-from-bot::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
        border-radius: 20px 20px 20px 6px;
        pointer-events: none;
    }

    .chat-message-from-user {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        margin-right: 0;
        margin-left: auto;
        border-radius: 20px 20px 6px 20px;
        padding: 18px 22px;
        box-shadow: 
            0 8px 24px rgba(102, 126, 234, 0.35),
            0 4px 12px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
        position: relative;
        border: 1px solid rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(10px);
    }

    .chat-message-from-user::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
            radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
            linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
        border-radius: 20px 20px 6px 20px;
        z-index: -1;
    }

    .chat-input {
        background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
        border-top: 1px solid rgba(226, 232, 240, 0.8);
        padding: 24px;
        direction: rtl;
        position: relative;
        box-shadow: 
            0 -8px 32px rgba(0, 0, 0, 0.08),
            inset 0 1px 0 rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(15px);
    }

    .chat-input::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent 0%, rgba(102, 126, 234, 0.15) 50%, transparent 100%);
    }

    .chat-input::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 20% 0%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
            radial-gradient(circle at 80% 100%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
        pointer-events: none;
    }

    .chat-inputs textarea {
        border: 2px solid rgba(226, 232, 240, 0.8);
        border-radius: 18px;
        padding: 16px 20px;
        font-size: 16px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        direction: rtl;
        text-align: right;
        font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(15px);
        box-shadow: 
            0 4px 16px rgba(0, 0, 0, 0.06),
            inset 0 1px 0 rgba(255, 255, 255, 0.9),
            0 0 0 1px rgba(255, 255, 255, 0.1);
        resize: none;
        min-height: 54px;
        max-height: 120px;
        position: relative;
        color: #1a202c;
    }

    .chat-inputs textarea:focus {
        border-color: #667eea;
        outline: none;
        box-shadow: 
            0 0 0 4px rgba(102, 126, 234, 0.1),
            0 8px 24px rgba(102, 126, 234, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.95),
            0 0 0 1px rgba(102, 126, 234, 0.2);
        background: rgba(255, 255, 255, 0.98);
        transform: translateY(-1px);
    }

    .chat-inputs textarea::placeholder {
        text-align: right;
        direction: rtl;
        color: rgba(107, 114, 128, 0.6);
        font-weight: 400;
    }

    .chat-input-send-button {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        border-radius: 18px !important;
        color: white !important;
        border: none !important;
        padding: 14px 24px !important;
        font-weight: 600 !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: 
            0 8px 24px rgba(102, 126, 234, 0.35),
            0 4px 12px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
        position: relative !important;
        overflow: hidden !important;
        backdrop-filter: blur(10px) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
    }

    .chat-input-send-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
            radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
            linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .chat-input-send-button:hover {
        transform: translateY(-3px) scale(1.02) !important;
        box-shadow: 
            0 12px 32px rgba(102, 126, 234, 0.45),
            0 6px 16px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
    }

    .chat-input-send-button:hover::before {
        opacity: 1;
    }

    .chat-input-send-button:active {
        transform: translateY(-1px) scale(0.98) !important;
        box-shadow: 
            0 4px 16px rgba(102, 126, 234, 0.3),
            0 2px 8px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    }

    /* Rotate send button */
    button.chat-input-send-button {
        transform: rotate(180deg) !important;
    }

    .chat-message-markdown {
        direction: rtl;
        text-align: right;
        line-height: 1.6;
        color: #374151;
    }

    .chat-message-markdown p {
        text-align: right;
        direction: rtl;
        margin-bottom: 8px;
    }

    .chat-message-markdown p:last-child {
        margin-bottom: 0;
    }

    .chat-message-markdown ul,
    .chat-message-markdown ol {
        text-align: right;
        direction: rtl;
        padding-right: 20px;
        padding-left: 0;
        margin: 8px 0;
    }

    .chat-message-markdown li {
        text-align: right;
        direction: rtl;
        margin-bottom: 4px;
    }

    .chat-message-markdown blockquote {
        border-right: 4px solid #667eea;
        border-left: none;
        padding-right: 16px;
        padding-left: 0;
        margin: 16px 0;
        direction: rtl;
        background: rgba(102, 126, 234, 0.05);
        border-radius: 0 8px 8px 0;
        font-style: italic;
    }

    .chat-message-markdown code {
        direction: ltr;
        text-align: left;
        font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
        background: rgba(0, 0, 0, 0.05);
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 0.9em;
    }

    .chat-message-markdown pre {
        direction: ltr;
        text-align: left;
        background: rgba(0, 0, 0, 0.05);
        padding: 16px;
        border-radius: 8px;
        overflow-x: auto;
        margin: 12px 0;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }

    .chat-message-markdown pre code {
        background: none;
        padding: 0;
        border-radius: 0;
    }

    .chat-message-markdown h1,
    .chat-message-markdown h2,
    .chat-message-markdown h3,
    .chat-message-markdown h4,
    .chat-message-markdown h5,
    .chat-message-markdown h6 {
        text-align: right;
        direction: rtl;
        color: #1f2937;
        margin: 16px 0 8px 0;
        font-weight: 600;
    }

    .chat-message-markdown h1:first-child,
    .chat-message-markdown h2:first-child,
    .chat-message-markdown h3:first-child,
    .chat-message-markdown h4:first-child,
    .chat-message-markdown h5:first-child,
    .chat-message-markdown h6:first-child {
        margin-top: 0;
    }

    .chat-message-markdown strong {
        font-weight: 700;
        color: #1f2937;
    }

    .chat-message-markdown em {
        font-style: italic;
        color: #6b7280;
    }

    .chat-message-markdown a {
        color: #667eea;
        text-decoration: none;
        border-bottom: 1px solid transparent;
        transition: all 0.3s ease;
    }

    .chat-message-markdown a:hover {
        border-bottom-color: #667eea;
        color: #5a67d8;
    }

    /* Welcome screen styling */
    .chat-welcome-screen {
        background: linear-gradient(145deg, #f8fafc 0%, #ffffff 100%);
        padding: 40px 20px;
        text-align: center;
        direction: rtl;
        border-radius: 0 0 24px 24px;
    }

    .chat-welcome-screen h2 {
        color: #1f2937;
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .chat-welcome-screen p {
        color: #6b7280;
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 24px;
    }

    .chat-welcome-screen .btn {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        padding: 12px 24px;
        border-radius: 12px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    }

    .chat-welcome-screen .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    }

    /* Loading animation */
    .chat-loading {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
        direction: rtl;
    }

    .chat-loading .spinner {
        width: 24px;
        height: 24px;
        border: 3px solid rgba(102, 126, 234, 0.2);
        border-top: 3px solid #667eea;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-left: 12px;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    .chat-loading .text {
        color: #6b7280;
        font-size: 14px;
    }

    /* Chat Support Popup */
    .chat-support-popup {
        position: absolute;
        top: -60px;
        right: 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 12px 16px;
        border-radius: 12px;
        font-size: 13px;
        font-weight: 500;
        box-shadow: 
            0 8px 24px rgba(102, 126, 234, 0.4),
            0 4px 12px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px) scale(0.9);
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        z-index: 1000;
        max-width: 200px;
        text-align: center;
        direction: rtl;
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
    }

    .chat-support-popup::before {
        content: '';
        position: absolute;
        top: 100%;
        right: 20px;
        border: 6px solid transparent;
        border-top-color: #667eea;
    }

    .chat-support-popup::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: 
            radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
            radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        border-radius: 12px;
        pointer-events: none;
    }

    .chat-support-popup.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
    }

    .chat-support-popup.hide {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(0.9);
    }

    .chat-support-popup .popup-content {
        position: relative;
        z-index: 1;
        line-height: 1.4;
    }

    .chat-support-popup .popup-icon {
        display: inline-block;
        margin-left: 6px;
        font-size: 14px;
        animation: pulse 2s infinite;
    }

    @keyframes pulse {
        0%, 100% {
            transform: scale(1);
        }
        50% {
            transform: scale(1.1);
        }
    }

    /* Footer */
    .footer {
        background: rgba(0, 0, 0, 0.3);
        color: white;
        text-align: center;
        padding: 40px 20px;
        margin-top: auto;
    }

    .footer-content {
        max-width: 1200px;
        margin: 0 auto;
    }

    .footer p {
        font-size: 16px;
        opacity: 0.8;
        margin-bottom: 10px;
    }

    .footer a {
        color: #fbbf24;
        text-decoration: none;
        font-weight: 500;
    }

    .footer a:hover {
        text-decoration: underline;
    }
    .chat-window {
    border: none !important;
}
    /* Responsive Design */
    @media (max-width: 768px) {
        .hero h1 {
            font-size: 32px;
        }

        .hero p {
            font-size: 18px;
        }

        .hero-buttons {
            flex-direction: column;
            align-items: center;
        }

        .btn {
            width: 100%;
            max-width: 300px;
        }

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

        .chat-window1 {
            width: calc(100vw - 40px);
            height: calc(100vh - 200px);
            right: 20px;
            left: 20px;
            bottom: 100px;
        }

        .nav-links {
            display: none;
        }
        
        /* Mobile responsive for new sections */
        .hero-section h2 {
            font-size: 2em;
        }
        
        .hero-section p {
            font-size: 1.1em;
        }
        
        .features-section h2,
        .services-section h2,
        .how-to-use-section h2,
        .benefits-section h2,
        .about-gstp-section h2,
        .contact-section h2 {
            font-size: 1.8em;
        }
        
        .features-grid,
        .services-grid,
        .steps-grid,
        .benefits-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        
        .feature-item,
        .service-item,
        .step-item,
        .benefit-item {
            padding: 20px;
        }
        
        .contact-info {
            grid-template-columns: 1fr;
        }
        
        .container {
            padding: 15px;
        }
        
        .hero-section,
        .services-section,
        .benefits-section,
        .about-gstp-section,
        .contact-section {
            padding: 30px 20px;
            margin: 30px 0;
        }
    }
    
    @media (max-width: 480px) {
        .hero-section h2 {
            font-size: 1.8em;
        }
        
        .hero-section p {
            font-size: 1em;
        }
        
        .features-section h2,
        .services-section h2,
        .how-to-use-section h2,
        .benefits-section h2,
        .about-gstp-section h2,
        .contact-section h2 {
            font-size: 1.6em;
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            font-size: 1.2em;
        }
        
        .feature-item,
        .service-item,
        .step-item,
        .benefit-item {
            padding: 15px;
        }
    }