body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #121212 100%);
            color: #fff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* Performance optimization */
        .animation-layer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        /* Animated stars background */
        .stars-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .star {
            position: absolute;
            background-color: #fff;
            border-radius: 50%;
            animation: twinkle 4s infinite ease-in-out;
            will-change: opacity;
        }

        .golden-star {
            position: absolute;
            background: radial-gradient(circle, #ffd700, #ffed4e);
            clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
            animation: float 8s infinite ease-in-out;
            opacity: 0.8;
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
            will-change: transform, opacity;
        }

        /* Crypto symbols animation */
        .crypto-symbol {
            position: absolute;
            font-size: 24px;
            color: rgba(255, 215, 0, 0.7);
            animation: moveCrypto 15s infinite linear;
            z-index: -1;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
            will-change: transform, opacity;
        }

        @keyframes moveCrypto {
            0% {
                transform: translateX(-100px) translateY(0) rotate(0deg);
                opacity: 0;
            }

            10% {
                opacity: 1;
            }

            90% {
                opacity: 1;
            }

            100% {
                transform: translateX(calc(100vw + 100px)) translateY(-50px) rotate(360deg);
                opacity: 0;
            }
        }

        /* Neural network animation - optimized */
        .neural-network {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
            opacity: 0.4;
        }

        .neural-node {
            position: absolute;
            width: 8px;
            height: 8px;
            background: radial-gradient(circle, #ffd700, #ffed4e);
            border-radius: 50%;
            box-shadow: 0 0 15px #ffd700;
            animation: pulseNode 3s infinite ease-in-out;
            will-change: transform, opacity;
        }

        .neural-connection {
            position: absolute;
            height: 2px;
            background: linear-gradient(90deg, transparent, #ffd700, transparent);
            transform-origin: left center;
            animation: pulseConnection 3s infinite ease-in-out;
            will-change: opacity;
        }

        @keyframes pulseNode {
            0%, 100% {
                transform: scale(1);
                opacity: 0.5;
            }

            50% {
                transform: scale(1.8);
                opacity: 1;
            }
        }

        @keyframes pulseConnection {
            0%, 100% {
                opacity: 0.2;
            }

            50% {
                opacity: 0.8;
            }
        }

        /* Moving particles - optimized */
        .particle {
            position: absolute;
            width: 5px;
            height: 5px;
            background: rgba(255, 215, 0, 0.8);
            border-radius: 50%;
            animation: moveParticle 20s infinite linear;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
            will-change: transform, opacity;
        }

        @keyframes moveParticle {
            0% {
                transform: translate(0, 100vh) scale(0);
                opacity: 0;
            }

            10% {
                opacity: 1;
                transform: translate(10vw, 80vh) scale(1);
            }

            90% {
                opacity: 1;
                transform: translate(90vw, 20vh) scale(1);
            }

            100% {
                transform: translate(100vw, 0) scale(0);
                opacity: 0;
            }
        }

        @keyframes twinkle {
            0%, 100% {
                opacity: 0.2;
            }

            50% {
                opacity: 1;
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }

            50% {
                transform: translateY(-20px) rotate(180deg);
            }
        }

        /* Earth element - fixed positioning */
        .earth {
            position: fixed;
            width: 350px;
            height: 350px;
            background: url('https://picsum.photos/seed/earth/350/350.jpg') no-repeat center center;
            background-size: cover;
            border-radius: 50%;
            top: 50%;
            right: 5%;
            transform: translateY(-50%);
            box-shadow: 0 0 50px rgba(255, 215, 0, 0.3), inset -20px -20px 40px rgba(0, 0, 0, 0.5);
            opacity: 0.3;
            z-index: -1;
            animation: rotateEarth 60s infinite linear;
            will-change: transform;
        }

        @keyframes rotateEarth {
            0% {
                transform: translateY(-50%) rotate(0deg);
            }

            100% {
                transform: translateY(-50%) rotate(360deg);
            }
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            position: relative;
            z-index: 1;
        }

        /* Header */
        header {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .logo-container {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .coin-icon {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, #ffd700, #ffed4e, #ffd700);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            box-shadow: 0 0 40px rgba(255, 215, 0, 0.6), inset 0 0 20px rgba(255, 255, 255, 0.3);
            animation: pulse 2s infinite, rotateCoin 10s infinite linear;
            position: relative;
            overflow: hidden;
            will-change: transform, box-shadow;
        }

            .coin-icon::before {
                content: '';
                position: absolute;
                top: -50%;
                left: -50%;
                width: 200%;
                height: 200%;
                background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
                animation: shine 3s infinite;
                will-change: transform;
            }

        @keyframes shine {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        @keyframes rotateCoin {
            0% {
                transform: rotateY(0deg);
            }

            100% {
                transform: rotateY(360deg);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 0 40px rgba(255, 215, 0, 0.6);
            }

            50% {
                transform: scale(1.05);
                box-shadow: 0 0 50px rgba(255, 215, 0, 0.8);
            }
        }

        .bitcoin-symbol {
            font-size: 45px;
            color: #000;
            font-weight: bold;
            z-index: 1;
            position: relative;
        }

        h1 {
            font-size: 3.5rem;
            margin-bottom: 10px;
            background: linear-gradient(90deg, #ffd700, #ffed4e, #ffd700);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradient 3s ease infinite;
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
        }

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

            50% {
                background-position: 100% 50%;
            }

            100% {
                background-position: 0% 50%;
            }
        }

        .tagline {
            font-size: 1.5rem;
            color: #d0c0a0;
            font-weight: 300;
            letter-spacing: 2px;
            animation: fadeInUp 1s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Main content */
        main {
            text-align: center;
            margin-bottom: 60px;
        }

        .description {
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 1.2rem;
            line-height: 1.6;
            color: #e0d0b0;
            animation: fadeInUp 1s ease-out 0.3s both;
        }

        .highlight {
            color: #ffd700;
            font-weight: 600;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }

        /* Social platforms */
        .social-platforms {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 40px;
            animation: fadeInUp 1s ease-out 0.6s both;
        }

        .platform {
            background: rgba(255, 215, 0, 0.05);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: 15px;
            padding: 15px 20px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

            .platform::before {
                content: '';
                position: absolute;
                top: 0;
                left: -100%;
                width: 100%;
                height: 100%;
                background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.2), transparent);
                transition: left 0.5s ease;
            }

            .platform:hover::before {
                left: 100%;
            }

            .platform:hover {
                background: rgba(255, 215, 0, 0.1);
                border-color: rgba(255, 215, 0, 0.3);
                transform: translateY(-5px) scale(1.05);
                box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
            }

            .platform i {
                font-size: 1.5rem;
                margin-right: 10px;
                color: #ffd700;
                transition: transform 0.3s ease;
            }

            .platform:hover i {
                transform: rotate(360deg) scale(1.2);
            }

            .platform span {
                font-size: 1rem;
                font-weight: 500;
            }

        /* Floating data streams */
        .data-stream {
            position: absolute;
            width: 3px;
            height: 60px;
            background: linear-gradient(to bottom, transparent, #ffd700, transparent);
            animation: dataFlow 8s infinite linear;
            opacity: 0.7;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
            will-change: transform, opacity;
        }

        @keyframes dataFlow {
            0% {
                transform: translateY(-100vh);
                opacity: 0;
            }

            10% {
                opacity: 0.7;
            }

            90% {
                opacity: 0.7;
            }

            100% {
                transform: translateY(100vh);
                opacity: 0;
            }
        }

        /* Golden grid lines */
        .grid-line {
            position: absolute;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
            z-index: -2;
            will-change: transform;
        }

            .grid-line.horizontal {
                width: 100%;
                height: 1px;
                animation: moveHorizontal 20s infinite linear;
            }

            .grid-line.vertical {
                width: 1px;
                height: 100%;
                animation: moveVertical 20s infinite linear;
            }

        @keyframes moveHorizontal {
            0% {
                transform: translateY(-100%);
            }

            100% {
                transform: translateY(100%);
            }
        }

        @keyframes moveVertical {
            0% {
                transform: translateX(-100%);
            }

            100% {
                transform: translateX(100%);
            }
        }

        /* Error message */
        .error-message {
            position: fixed;
            top: 20px;
            right: 20px;
            background: rgba(255, 215, 0, 0.8);
            color: #000;
            padding: 10px 20px;
            border-radius: 5px;
            display: none;
            z-index: 1000;
        }

        /* Responsive */
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }

            .tagline {
                font-size: 1.2rem;
            }

            .earth {
                width: 250px;
                height: 250px;
                right: -50px;
            }

            .social-platforms {
                gap: 10px;
            }

            .platform {
                padding: 10px 15px;
            }

            .crypto-symbol {
                font-size: 18px;
            }

            .logo-container {
                flex-direction: column;
            }

            .coin-icon {
                margin-right: 0;
                margin-bottom: 10px;
            }
        }

        /* Reduced motion for accessibility */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }