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

        body {
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #000;
            min-height: 100vh;
            color: #fff;
            position: relative;
            overflow-x: hidden;
        }

        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .circle {
            position: absolute;
            border-radius: 50%;
            animation: float 20s infinite ease-in-out;
        }

        .circle1 {
            width: 600px;
            height: 600px;
            top: -150px;
            left: -200px;
            background: radial-gradient(circle, rgba(45, 65, 145, 0.4) 0%, rgba(45, 65, 145, 0.25) 30%, rgba(45, 65, 145, 0.15) 60%, transparent 100%);
            filter: blur(100px);
            animation-delay: 0s;
            animation-duration: 25s;
        }

        .circle2 {
            width: 550px;
            height: 550px;
            top: 40%;
            right: -180px;
            background: radial-gradient(circle, rgba(66, 86, 175, 0.35) 0%, rgba(45, 65, 145, 0.2) 30%, rgba(45, 65, 145, 0.1) 60%, transparent 100%);
            filter: blur(90px);
            animation-delay: -5s;
            animation-duration: 30s;
        }

        .circle3 {
            width: 500px;
            height: 500px;
            bottom: -120px;
            left: 20%;
            background: radial-gradient(circle, rgba(45, 65, 145, 0.38) 0%, rgba(66, 86, 175, 0.22) 30%, rgba(45, 65, 145, 0.12) 60%, transparent 100%);
            filter: blur(95px);
            animation-delay: -10s;
            animation-duration: 28s;
        }

        .circle4 {
            width: 450px;
            height: 450px;
            top: 20%;
            left: 40%;
            background: radial-gradient(circle, rgba(45, 65, 145, 0.32) 0%, rgba(45, 65, 145, 0.18) 30%, rgba(45, 65, 145, 0.08) 60%, transparent 100%);
            filter: blur(85px);
            animation-delay: -15s;
            animation-duration: 22s;
        }

        .circle5 {
            width: 480px;
            height: 480px;
            bottom: 10%;
            right: 10%;
            background: radial-gradient(circle, rgba(45, 65, 145, 0.36) 0%, rgba(45, 65, 145, 0.2) 30%, rgba(45, 65, 145, 0.1) 60%, transparent 100%);
            filter: blur(92px);
            animation-delay: -8s;
            animation-duration: 26s;
        }

        @keyframes float {

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

            25% {
                transform: translate(80px, -60px) scale(1.15) rotate(90deg);
                opacity: 0.8;
            }

            50% {
                transform: translate(-50px, 70px) scale(0.85) rotate(180deg);
                opacity: 0.9;
            }

            75% {
                transform: translate(60px, 90px) scale(1.1) rotate(270deg);
                opacity: 0.85;
            }
        }

        /* ============================================ */
        /* MOBILE APP DESIGN */
        /* ============================================ */

        .mobile-content {
            display: none;
            position: relative;
            z-index: 1;
            flex-direction: column;
            width: 100%;
            min-height: 100vh;
            padding: 0;
            justify-content: center;
        }

        .mobile-content .logo-section {
            text-align: center;
            padding: 30px 20px 10px;
        }

        .mobile-content .logo-icon {
            width: 80px;
            height: 80px;
            object-fit: contain;
            margin-bottom: 15px;
        }

        .mobile-content .app-name {
            font-size: 32px;
            font-weight: 700;
            color: #2D4191;
            text-shadow: 0 2px 10px rgba(45, 65, 145, 0.5);
            margin-bottom: 5px;
        }

        .mobile-content .app-tagline {
            font-size: 16px;
            color: #ccc;
            font-weight: 300;
        }

        /* Feature Slider */
        .feature-slider {
            padding: 20px 15px;
            overflow: hidden;
            flex: 1;
        }

        .slider-container {
            position: relative;
            max-width: 400px;
            margin: 0 auto;
            overflow: hidden;
        }

        .slider {
            display: flex;
            transition: transform 0.5s ease-in-out;
            width: 100%;
        }

        .slide {
            min-width: 100%;
            padding: 20px;
            text-align: center;
            background: rgba(20, 20, 20, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(45, 65, 145, 0.25);
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .slide-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #2D4191 0%, #4256AF 100%);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: #fff;
            box-shadow: 0 4px 20px rgba(45, 65, 145, 0.4);
        }

        .slide-icon i {
            font-size: 32px;
            color: #fff;
        }

        .slide h3 {
            font-size: 22px;
            font-weight: 600;
            color: #2D4191;
            margin-bottom: 12px;
        }

        .slide p {
            font-size: 15px;
            color: #ccc;
            line-height: 1.6;
            margin: 0;
        }

        /* Slider Dots */
        .slider-dots {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 20px;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: #2D4191;
            box-shadow: 0 0 20px rgba(45, 65, 145, 0.6);
            width: 30px;
            border-radius: 6px;
        }

        /* Login Section */
        .login-section {
            padding: 20px 25px 30px;
            text-align: center;
        }

        .login-btn {
            display: inline-block;
            padding: 14px 50px;
            background: linear-gradient(135deg, #2D4191 0%, #4256AF 100%);
            color: #fff;
            font-weight: 600;
            font-size: 18px;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(45, 65, 145, 0.4);
            width: 100%;
            max-width: 300px;
            border: none;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(45, 65, 145, 0.6);
            color: #fff;
            background: linear-gradient(135deg, #1a2d6b 0%, #2D4191 100%);
        }

        .signup-link {
            margin-top: 15px;
            font-size: 14px;
            color: #ccc;
        }

        .signup-link a {
            color: #2D4191;
            text-decoration: none;
            font-weight: 600;
        }

        .signup-link a:hover {
            text-decoration: underline;
            color: #4256AF;
        }

        /* ============================================ */
        /* DESKTOP DESIGN */
        /* ============================================ */

        .desktop-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 40px;
            background: transparent;
        }

        .desktop-navbar .navbar-brand-box {
            background: transparent;
            padding: 8px 16px;
            border-radius: 8px;
        }

        .desktop-navbar .navbar-brand-box img {
            height: 50px;
            width: auto;
            max-width: 150px;
        }

        .desktop-navbar .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .desktop-navbar .nav-links a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .desktop-navbar .nav-links a:hover {
            background: rgba(45, 65, 145, 0.1);
            color: #ffffff;
        }

        .desktop-navbar .btn-login {
            background: linear-gradient(135deg, #2D4191 0%, #4256AF 100%);
            color: #FFD700;
            padding: 20px 50px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(45, 65, 145, 0.4);
            display: inline-block;
            border: none;
        }

        .desktop-navbar .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(45, 65, 145, 0.6);
            color: #fff;
            background: linear-gradient(135deg, #1a2d6b 0%, #2D4191 100%);
        }

        .desktop-content {
            position: relative;
            z-index: 1;
            padding: 60px 40px 60px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .desktop-hero-section {
            text-align: center;
            margin-bottom: 60px;
        }

        .desktop-hero-section h1 {
            font-size: 56px;
            font-weight: 700;
            color: #2D4191;
            margin-bottom: 15px;
            text-shadow: 0 2px 10px rgba(45, 65, 145, 0.5);
        }

        .desktop-hero-section .subtitle {
            font-size: 20px;
            color: #ccc;
            font-weight: 300;
        }

        .desktop-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .desktop-feature-card {
            background: rgba(20, 20, 20, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(45, 65, 145, 0.25);
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .desktop-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(45, 65, 145, 0.3);
        }

        .desktop-feature-card .icon-box {
            width: 50px;
            height: 50px;
            margin: 0 auto 25px;
            background: linear-gradient(135deg, #2D4191 0%, #4256AF 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(45, 65, 145, 0.4);
        }

        .desktop-feature-card .icon-box i {
            font-size: 25px;
            color: #fff;
        }

        .desktop-feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: #2D4191;
            margin-bottom: 15px;
        }

        .desktop-feature-card p {
            font-size: 15px;
            color: #ccc;
            line-height: 1.6;
            margin: 0;
        }

        /* ============================================ */
        /* RESPONSIVE BREAKPOINTS */
        /* ============================================ */

        @media (min-width: 769px) {
            .mobile-content {
                display: none !important;
            }
            .desktop-navbar {
                display: flex;
            }
            .desktop-content {
                display: block;
            }
            .desktop-features-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (min-width: 769px) and (max-width: 1200px) {
            .desktop-features-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 769px) and (max-width: 991px) {
            .desktop-features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .desktop-hero-section h1 {
                font-size: 42px;
            }
        }

        @media (max-width: 768px) {
            .desktop-navbar {
                display: none !important;
            }
            .desktop-content {
                display: none !important;
            }
            .mobile-content {
                display: flex !important;
            }
            .circle1,
            .circle2,
            .circle3,
            .circle4,
            .circle5 {
                transform: scale(0.6);
            }
        }

        @media (max-width: 360px) {
            .mobile-content .app-name {
                font-size: 28px;
            }
            .mobile-content .app-tagline {
                font-size: 14px;
            }
            .slide {
                padding: 15px;
            }
            .slide h3 {
                font-size: 19px;
            }
            .login-btn {
                font-size: 16px;
                padding: 12px 30px;
            }
        }

        @media (max-width: 768px) and (orientation: landscape) {
            .mobile-content {
                justify-content: flex-start;
                padding-top: 20px;
            }
            .mobile-content .logo-section {
                padding: 15px 20px 5px;
            }
            .mobile-content .logo-icon {
                width: 60px;
                height: 60px;
                margin-bottom: 10px;
            }
            .mobile-content .app-name {
                font-size: 24px;
            }
            .feature-slider {
                padding: 10px 15px;
            }
            .slide {
                padding: 15px;
            }
            .slide-icon {
                width: 50px;
                height: 50px;
                margin: 0 auto 12px;
                font-size: 24px;
            }
            .login-section {
                padding: 10px 25px 20px;
            }
        }