/* Floating Card Background */
        .floating-card-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -5;
            background: transparent;
            overflow: hidden;
            pointer-events: none;
        }

        .floating-card-background::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(45deg);
            width: 90vw;
            height: 90vh;
            background: rgba(255, 255, 255, 0.005);
            border: 1px solid rgba(64, 224, 208, 0.03);
            border-radius: 30px;
            box-shadow:
                0 0 50px rgba(64, 224, 208, 0.01),
                inset 0 0 50px rgba(0, 255, 255, 0.005),
                0 0 100px rgba(138, 43, 226, 0.008);
            backdrop-filter: blur(1px);
            animation: floatingCardPulse 8s ease-in-out infinite;
        }

        .floating-card-background::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(-45deg);
            width: 70vw;
            height: 70vh;
            background: rgba(138, 43, 226, 0.003);
            border: 1px solid rgba(255, 0, 255, 0.02);
            border-radius: 25px;
            box-shadow:
                0 0 30px rgba(255, 0, 255, 0.008),
                inset 0 0 30px rgba(64, 224, 208, 0.005);
            animation: floatingCardPulse 12s ease-in-out infinite reverse;
        }

        @keyframes floatingCardPulse {
            0%, 100% {
                transform: translate(-50%, -50%) rotate(45deg) scale(1);
                opacity: 0.15;
            }
            25% {
                transform: translate(-50%, -50%) rotate(46deg) scale(1.02);
                opacity: 0.25;
            }
            50% {
                transform: translate(-50%, -50%) rotate(45deg) scale(1.05);
                opacity: 0.3;
            }
            75% {
                transform: translate(-50%, -50%) rotate(44deg) scale(1.02);
                opacity: 0.25;
            }
        }

        /* Navigation Bar Styles */
        .main-navigation {
            position: relative;
            z-index: 100;
            background: rgba(0, 20, 40, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(64, 224, 208, 0.3);
            padding: 0;
            margin-bottom: 2rem;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .nav-left,
        .nav-center,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: #40E0D0;
            font-weight: 700;
            font-size: 1.2rem;
            transition: all 0.3s ease;
        }

        .nav-logo:hover {
            color: #00FFFF;
            transform: scale(1.05);
        }

        .logo-icon {
            font-size: 1.5rem;
            animation: logoSpin 8s linear infinite;
        }

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

        .nav-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            font-weight: 500;
            position: relative;
            overflow: hidden;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(64, 224, 208, 0.1), transparent);
            transition: left 0.3s ease;
        }

        .nav-link:hover {
            color: #40E0D0;
            background: rgba(64, 224, 208, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(64, 224, 208, 0.2);
        }

        .nav-link:hover::before {
            left: 100%;
        }

        .login-link {
            background: rgba(64, 224, 208, 0.1);
            border: 1px solid rgba(64, 224, 208, 0.3);
        }

        .signup-link {
            background: linear-gradient(45deg, #40E0D0, #00BFFF);
            color: #001122;
            font-weight: 600;
            border: none;
        }

        .signup-link:hover {
            background: linear-gradient(45deg, #00FFFF, #40E0D0);
            color: #000000;
            transform: translateY(-3px) scale(1.05);
        }

        .dashboard-link {
            background: rgba(138, 43, 226, 0.2);
            border: 1px solid rgba(138, 43, 226, 0.4);
            color: #DA70D6;
        }

        .dashboard-link:hover {
            background: rgba(138, 43, 226, 0.3);
            color: #FF69B4;
        }

        /* Mobile Navigation */
        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
                gap: 1rem;
                padding: 1rem;
            }

            .nav-center,
            .nav-right {
                gap: 0.5rem;
            }

            .nav-link {
                padding: 0.4rem 0.8rem;
                font-size: 0.9rem;
            }
        }

        /* QR Code Styles */
        .qr-code-container {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 120px;
            height: 120px;
            background: rgba(0, 20, 40, 0.95);
            border: 2px solid rgba(64, 224, 208, 0.4);
            border-radius: 15px;
            padding: 10px;
            backdrop-filter: blur(20px);
            z-index: 1000;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .qr-code-container:hover {
            transform: scale(1.1);
            border-color: rgba(64, 224, 208, 0.8);
            box-shadow: 0 10px 30px rgba(64, 224, 208, 0.3);
        }

        .qr-code-container svg {
            width: 100%;
            height: 100%;
            border-radius: 8px;
        }

        /* Mobile QR Code */
        @media (max-width: 768px) {
            .qr-code-container {
                width: 80px;
                height: 80px;
                bottom: 20px;
                right: 20px;
            }
        }

        /* Main Content Styles */
        .main-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            position: relative;
            z-index: 1;
        }

        .hero-section {
            text-align: center;
            margin-bottom: 4rem;
            padding: 4rem 0;
            position: relative;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, #40E0D0, #00BFFF, #FF69B4);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(64, 224, 208, 0.3);
            margin-bottom: 1.5rem;
            animation: heroGlow 3s ease-in-out infinite alternate;
        }

        @keyframes heroGlow {
            0% {
                filter: brightness(1) drop-shadow(0 0 20px rgba(64, 224, 208, 0.3));
            }
            100% {
                filter: brightness(1.2) drop-shadow(0 0 30px rgba(64, 224, 208, 0.5));
            }
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .hero-cta {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 3rem;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            background: linear-gradient(45deg, #40E0D0, #00BFFF);
            color: #001122;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .cta-button:hover {
            transform: translateY(-3px) scale(1.05);
            background: linear-gradient(45deg, #00FFFF, #40E0D0);
            box-shadow: 0 15px 40px rgba(64, 224, 208, 0.4);
        }

        .cta-button:hover::before {
            left: 100%;
        }

        .cta-secondary {
            background: rgba(64, 224, 208, 0.1);
            border: 2px solid rgba(64, 224, 208, 0.3);
            color: #40E0D0;
        }

        .cta-secondary:hover {
            background: rgba(64, 224, 208, 0.2);
            color: #00FFFF;
            border-color: rgba(64, 224, 208, 0.6);
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }

        .feature-card {
            background: rgba(0, 20, 40, 0.7);
            border: 1px solid rgba(64, 224, 208, 0.2);
            border-radius: 20px;
            padding: 2.5rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(64, 224, 208, 0.05), rgba(138, 43, 226, 0.05));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px) scale(1.02);
            border-color: rgba(64, 224, 208, 0.5);
            box-shadow: 0 20px 50px rgba(64, 224, 208, 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            font-size: 3rem;
            color: #40E0D0;
            margin-bottom: 1.5rem;
            display: block;
            animation: featureIconFloat 6s ease-in-out infinite;
        }

        @keyframes featureIconFloat {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            25% { transform: translateY(-5px) rotate(2deg); }
            50% { transform: translateY(0px) rotate(0deg); }
            75% { transform: translateY(-3px) rotate(-2deg); }
        }

        .feature-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #40E0D0;
            margin-bottom: 1rem;
        }

        .feature-description {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .feature-link {
            color: #00BFFF;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .feature-link:hover {
            color: #40E0D0;
        }

        /* Stats Section */
        .stats-section {
            background: rgba(0, 10, 30, 0.8);
            border: 1px solid rgba(64, 224, 208, 0.2);
            border-radius: 25px;
            padding: 3rem;
            margin: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, #40E0D0, #00BFFF, #FF69B4, #40E0D0);
            border-radius: 25px;
            z-index: -1;
            animation: borderGlow 4s linear infinite;
        }

        @keyframes borderGlow {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #40E0D0;
            display: block;
            margin-bottom: 0.5rem;
            animation: countUp 2s ease-out;
        }

        @keyframes countUp {
            from {
                opacity: 0;
                transform: scale(0.5);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            font-weight: 500;
        }

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }

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

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

            .feature-card {
                padding: 2rem;
            }

            .main-content {
                padding: 1rem;
            }

            .stats-section {
                padding: 2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 2rem;
            }

            .cta-button {
                padding: 0.8rem 1.5rem;
                font-size: 1rem;
            }

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