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

        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #7c3aed;
            --accent: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --error: #ef4444;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --gray-900: #0f172a;
            --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #06b6d4 100%);
            --gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 50%, rgba(6, 182, 212, 0.1) 100%);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --border-radius: 16px;
        }

        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--gray-800);
            background: var(--gray-50);
            overflow-x: hidden;
        }

        /* Navigation - Enhanced */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--gray-200);
            padding: 1rem 2rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
        }

        .logo-icon {
            background: var(--gradient);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            color: var(--gray-700);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--gray-100);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray-700);
            padding: 0.5rem;
        }

        /* Hero Section - Enhanced */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            overflow: hidden;
            color: white;
        }

        #bg-canvas {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
            line-height: 1.1;
        }

        .subtitle {
            font-size: clamp(1.1rem, 2.5vw, 1.3rem);
            margin-bottom: 3rem;
            opacity: 0.95;
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(20px);
        }

        .btn-primary:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(20px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* Stats Section - Enhanced */
        .stats {
            background: white;
            padding: 4rem 2rem;
            margin-top: -2rem;
            position: relative;
            z-index: 3;
            border-radius: 24px 24px 0 0;
            box-shadow: var(--shadow-lg);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
        }

        .stat-number {
            display: block;
            font-size: 1.9rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--gray-600);
            font-weight: 500;
            font-size: 1.1rem;
        }

        /* Section Styling - Enhanced */
        .section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            text-align: center;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .section-subtitle {
            font-size: 1.25rem;
            text-align: center;
            color: var(--gray-600);
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Problem/Solution Cards */
        .problem, .solution {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            margin: 3rem auto;
            max-width: 800px;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
        }

        .problem {
            border-left: 4px solid var(--error);
        }

        .solution {
            border-left: 4px solid var(--success);
            background: var(--gradient-subtle);
        }

        .problem h2, .solution h2 {
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
        }

        .problem-list, .solution-list {
            list-style: none;
            display: grid;
            gap: 1.5rem;
        }

        .problem-list li, .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.5rem;
            background: var(--gray-50);
            border-radius: 12px;
            border: 1px solid var(--gray-200);
        }

        .solution-list li {
            background: rgba(255, 255, 255, 0.8);
        }

        .problem-icon, .solution-icon {
            font-size: 1.5rem;
            width: 2.5rem;
            height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .problem-icon {
            background: rgba(239, 68, 68, 0.1);
        }

        .solution-icon {
            background: rgba(16, 185, 129, 0.1);
        }

        .problem-text strong, .solution-text strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 0.25rem;
        }

        .problem-text small, .solution-text small {
            color: var(--gray-600);
            font-size: 0.9rem;
        }

        /* Features Grid - Enhanced */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            filter: grayscale(0.2);
        }

        .feature-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .feature-card p {
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Use Cases - Enhanced */
        .use-case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .use-case-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            transition: all 0.3s ease;
        }

        .use-case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .use-case-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .use-case-icon {
            font-size: 2rem;
            width: 3rem;
            height: 3rem;
            background: var(--gradient-subtle);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .use-case-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--gray-900);
        }

        .use-case-examples {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .use-case-examples li {
            padding: 0.5rem 0;
            color: var(--gray-600);
            border-bottom: 1px solid var(--gray-200);
            font-size: 0.9rem;
        }

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

        .results-highlight {
            background: var(--gradient);
            color: white;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* Compare Section - Enhanced */
        .compare {
            background: var(--gradient-subtle);
            border-radius: var(--border-radius);
            padding: 3rem;
            margin: 3rem auto;
            max-width: 1000px;
        }

        .compare h2 {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .compare p {
            text-align: center;
            color: var(--gray-600);
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .compare-card {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
        }

        .compare-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .compare-card ul {
            list-style: none;
            margin-top: 1rem;
        }

        .compare-card li {
            padding: 0.5rem 0;
            color: var(--gray-600);
            border-bottom: 1px solid var(--gray-200);
        }

        .compare-card li:before {
            content: "→";
            color: var(--primary);
            font-weight: bold;
            margin-right: 0.5rem;
        }

        /* Callout Section */
        .callout {
            background: var(--gradient);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            margin: 3rem auto;
            border-radius: var(--border-radius);
            position: relative;
            overflow: hidden;
        }

        .callout::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.1);
            pointer-events: none;
        }

        .callout h2 {
            position: relative;
            z-index: 2;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .callout p {
            position: relative;
            z-index: 2;
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.95;
        }

        /* Keywords Section */
        .keywords-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .keyword-category {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
        }

        .keyword-category h4 {
            color: var(--primary);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary);
        }

        .keyword-list {
            list-style: none;
        }

        .keyword-list li {
            padding: 0.5rem 0;
            color: var(--gray-600);
            border-bottom: 1px solid var(--gray-200);
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 0.9rem;
        }

        .keyword-list li:last-child {
            border-bottom: none;
        }

        /* Benefits Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .benefit-item {
            text-align: center;
            padding: 2rem;
        }

        .benefit-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        .benefit-item h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--gray-900);
        }

        .benefit-item p {
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Modal Styles */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal.active {
            opacity: 1;
            visibility: visible;
        }

  

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--gray-600);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: var(--gray-100);
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: white;
            box-shadow: var(--shadow-lg);
            z-index: 1500;
            transition: right 0.3s ease;
            padding: 2rem;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-close {
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            margin-bottom: 2rem;
            color: var(--gray-600);
        }

        .mobile-menu a {
            display: block;
            padding: 1rem 0;
            color: var(--gray-700);
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid var(--gray-200);
        }

        .mobile-menu a:hover {
            color: var(--primary);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-content {
                padding: 1rem;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 1rem;
            }

            .btn {
                padding: 0.875rem 1.5rem;
                font-size: 1rem;
            }

            .stats {
                padding: 3rem 1rem;
            }

            .stats-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 2rem;
            }

            .section {
                padding: 3rem 1rem;
            }

            .problem, .solution, .compare {
                padding: 2rem 1.5rem;
                margin: 2rem 1rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .use-case-grid {
                grid-template-columns: 1fr;
            }

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

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

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

            .modal-content {
                margin: 1rem;
                padding: 1.5rem;
            }
        }

        /* Animation Classes */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

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

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Loading state */
        body {
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        body.loaded {
            opacity: 1;
        }


        /* Enhanced Modal Styles for Video Overlay */
        .modal-content {
            background: transparent;
            border-radius: 0;
            padding: 0;
            max-width: 90vw;
            max-height: 90vh;
            position: relative;
            box-shadow: none;
            overflow: visible;
        }

        /* YouTube-style Video Container */
        .video-container {
            width: 100%;
            max-width: 1120px; /* YouTube standard width */
            aspect-ratio: 16/9; /* YouTube aspect ratio */
            margin: 0 auto;
        }

        /* Ensure video fits properly */
        .video-container video {
            object-fit: contain;
        }

        /* Enhanced close button styling */
        .modal-close {
            transition: all 0.3s ease;
        }

        .modal-close:hover {
            background: rgba(0,0,0,0.9) !important;
            transform: scale(1.1);
        }

        /* Mobile adjustments */
        @media (max-width: 768px) {
            .modal-content {
                margin: 1rem;
                padding: 0;
                max-height: 85vh;
                width: calc(100% - 2rem);
            }
            
            .video-container {
                max-width: 100%;
            }
            
            .modal-close {
                top: 10px !important;
                right: 10px !important;
                width: 40px !important;
                height: 40px !important;
                font-size: 20px !important;
            }
        }


/* Logo */
.logo-img {
    height: 40px;
    width: auto;
}
.logo-img-mobile {
    display: block;
    margin: 1rem auto;
    height: 36px;
    width: auto;
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}
.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 0.5rem 0;
    list-style: none;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li {
    margin: 0;
}
.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    background: none;
    border-radius: 0;
}
.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* Mobile Support Section */
.mobile-support-section {
    margin-top: 0rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}
.mobile-support-section a {
    padding-left: 1rem;
    font-size: 0.95rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .dropdown {
        display: none;
    }
}

/* Ensure dropdown works on touch devices */
@media (hover: none) {
    .dropdown-toggle {
        pointer-events: auto;
    }
    .dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* 1. Layout for logo + close button */
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* if you want a little extra space around them: */
  margin-bottom: 1rem;
}

/* 2. Scrollable mobile menu */
.mobile-menu {
  /* you already have height:100vh; */  
  overflow-y: auto;                       /* enable vertical scrolling */
  -webkit-overflow-scrolling: touch;      /* smooth scrolling on iOS */
  padding-bottom: 2rem;                   /* give some breathing room at bottom */
}