:root {
            --bg-color: linear-gradient(180deg, #040404 0%, #0c0c0c 100%);
            --text-color: #ffffff;
            --accent-color: #bb86fc;
            --accent-hover: #9a67ea;
            --box-bg: linear-gradient(135deg, #323232, #202020);
            --box-text: #d0d0d0;
            --footer-bg: rgba(26, 26, 26, 0.9);
            --sidebar-bg: linear-gradient(180deg, rgba(24, 24, 24, 0.9) 0%, rgba(8, 8, 8, 0.9) 100%);
            --border-color: #ffffff1a;
            --scrollbar-bg: #2a2a2a;
            --scrollbar-thumb: #bb86fc;
        }

        [data-theme="light"] {
            --bg-color: linear-gradient(180deg, #f5f7fa 0%, #ffffff 100%);
            --text-color: #2d2d2d;
            --accent-color: #7b4db0;
            --accent-hover: #6a3c9a;
            --box-bg: linear-gradient(135deg, #ffffff, #f7f7f7);
            --box-text: #555555;
            --footer-bg: rgba(240, 240, 240, 0.9);
            --sidebar-bg: linear-gradient(180deg, rgba(245, 245, 245, 0.9) 0%, rgba(230, 230, 230, 0.9) 100%);
            --border-color: #e0e0e0;
            --scrollbar-bg: #e0e0e0;
            --scrollbar-thumb: #7b4db0;
        }

        [data-performance="optimized"] {
            --bg-color: #040404;
            --text-color: #ffffff;
            --accent-color: #bb86fc;
            --accent-hover: #bb86fc;
            --box-bg: #202020;
            --box-text: #d0d0d0;
            --footer-bg: #1a1a1a;
            --sidebar-bg: #181818;
            --border-color: #ffffff1a;
            --scrollbar-bg: #2a2a2a;
            --scrollbar-thumb: #bb86fc;
        }

        [data-performance="optimized"][data-theme="light"] {
            --bg-color: #f5f7fa;
            --text-color: #2d2d2d;
            --accent-color: #7b4db0;
            --accent-hover: #7b4db0;
            --box-bg: #f7f7f7;
            --box-text: #555555;
            --footer-bg: #f0f0f0;
            --sidebar-bg: #e6e6e6;
            --border-color: #e0e0e0;
            --scrollbar-bg: #e0e0e0;
            --scrollbar-thumb: #7b4db0;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background: var(--bg-color);
            color: var(--text-color);
            overflow-x: hidden;
            line-height: 1.6;
            transition: background 0.5s ease, color 0.5s ease;
        }

        [data-performance="optimized"] body {
            transition: none;
        }

        body::-webkit-scrollbar {
            width: 8px;
        }

        body::-webkit-scrollbar-track {
            background: var(--scrollbar-bg);
        }

        body::-webkit-scrollbar-thumb {
            background: var(--scrollbar-thumb);
            border-radius: 4px;
            transition: background 0.3s ease;
        }

        [data-performance="optimized"] body::-webkit-scrollbar-thumb {
            transition: none;
        }

        body::-webkit-scrollbar-thumb:hover {
            background: var(--accent-hover);
            box-shadow: 0 0 8px var(--accent-color);
        }

        [data-performance="optimized"] body::-webkit-scrollbar-thumb:hover {
            background: var(--scrollbar-thumb);
            box-shadow: none;
        }

        .stars-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: radial-gradient(circle at center, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 1) 100%);
            animation: cosmic-drift 120s linear infinite;
            display: none;
        }

        [data-theme="dark"] .stars-container {
            display: block;
        }

        [data-performance="optimized"] .stars-container {
            display: none;
        }

        .star {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 10%, rgba(255, 255, 255, 0) 70%);
            box-shadow: 0 0 11px rgba(255, 255, 255, 0.7);
            animation: twinkle 3s ease-in-out infinite alternate, drift 30s linear infinite;
        }

        .shooting-star {
            position: absolute;
            width: 150px;
            height: 2px;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
            box-shadow: 0 0 30px rgba(255, 255, 255, 1);
            animation: shooting-star linear forwards;
            opacity: 0;
        }

        @keyframes twinkle {
            0% { opacity: 0.2; transform: scale(0.5); }
            100% { opacity: 0.9; transform: scale(1); }
        }

        @keyframes drift {
            0% { transform: translate(0, 0); }
            100% { transform: translate(var(--drift-x), var(--drift-y)); }
        }

        @keyframes shooting-star {
            0% { transform: translate(0, 0) rotate(45deg); opacity: 0; }
            20% { opacity: 1; }
            100% { transform: translate(1200px, 1200px) rotate(45deg); opacity: 0; }
        }

        @keyframes cosmic-drift {
            0% { background-position: 0 0; }
            100% { background-position: 700% 700%; }
        }

        [data-performance="optimized"] .star,
        [data-performance="optimized"] .shooting-star {
            animation: none;
        }

        .top-bar {
            position: fixed;
            top: 10px;
            left: 10px;
            right: 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            z-index: 1000;
            padding: 6px 15px;
            border-radius: 8px;
            background-color: transparent;
            backdrop-filter: blur(0);
            box-shadow: none;
            transition: all 0.6s ease;
        }

        .top-bar.scrolled {
            background-color: var(--footer-bg);
            backdrop-filter: blur(5px);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }

        [data-performance="optimized"] .top-bar,
        [data-performance="optimized"] .top-bar.scrolled {
            transition: none;
            backdrop-filter: none;
        }

        .top-bar .logo {
            display: flex;
            align-items: center;
        }

        .top-bar .logo img {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--accent-color);
            margin-right: 6px;
            transition: transform 0.6s ease, box-shadow 0.3s ease;
        }

        .top-bar .logo img:hover {
            transform: rotate(360deg);
            box-shadow: 0 0 15px var(--accent-color);
        }

        [data-performance="optimized"] .top-bar .logo img {
            transition: none;
        }

        [data-performance="optimized"] .top-bar .logo img:hover {
            transform: none;
            box-shadow: none;
        }

        .top-bar .nexus-text {
            font-size: 18px;
            font-weight: 700;
            background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 10px var(--accent-color);
            animation: pulse-text 2.5s infinite;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

        @keyframes pulse-text {
            0% { text-shadow: 0 0 10px var(--accent-color); }
            50% { text-shadow: 0 0 20px var(--accent-hover); }
            100% { text-shadow: 0 0 10px var(--accent-color); }
        }

        [data-performance="optimized"] .top-bar .nexus-text {
            animation: none;
            text-shadow: none;
        }

        .sidebar-toggle {
            background: var(--accent-color);
            border: none;
            color: var(--text-color);
            padding: 6px;
            border-radius: 50%;
            cursor: pointer;
            transition: transform 0.6s ease, background 0.3s ease, scale 0.3s ease;
        }

        .sidebar-toggle.active {
            transform: rotate(180deg);
            background: var(--accent-hover);
            scale: 1.15;
        }

        [data-performance="optimized"] .sidebar-toggle,
        [data-performance="optimized"] .sidebar-toggle.active {
            transition: none;
            background: var(--accent-color);
            transform: none;
            scale: 1;
        }

        .sidebar {
            position: fixed;
            top: 50px;
            right: 10px;
            width: 220px;
            background: var(--sidebar-bg);
            backdrop-filter: blur(8px);
            padding: 10px;
            z-index: 999;
            transform: translateX(100%) scale(0.95);
            transition: transform 0.7s cubic-bezier(0.68, -0.55, 0.265, 1.55), scale 0.7s ease;
            box-shadow: -2px 0 12px rgba(0, 0, 0, 0.9);
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .sidebar.open {
            transform: translateX(0) scale(1);
        }

        [data-performance="optimized"] .sidebar,
        [data-performance="optimized"] .sidebar.open {
            transition: none;
            backdrop-filter: none;
        }

        .sidebar button {
            display: flex;
            align-items: center;
            width: 100%;
            background: var(--accent-color);
            color: var(--text-color);
            border: none;
            padding: 8px 12px;
            margin: 6px 0;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
            opacity: 0;
            transform: translateY(12px);
        }

        .sidebar button i {
            margin-right: 8px;
        }

        .sidebar.open button {
            animation: bounce-in 0.6s ease forwards;
        }

        .sidebar button:nth-child(1) { animation-delay: 0.2s; }
        .sidebar button:nth-child(2) { animation-delay: 0.3s; }
        .sidebar button:nth-child(3) { animation-delay: 0.4s; }
        .sidebar button:nth-child(4) { animation-delay: 0.5s; }
        .sidebar button:nth-child(5) { animation-delay: 0.6s; }
        .sidebar button:nth-child(6) { animation-delay: 0.7s; }
        .sidebar button:nth-child(7) { animation-delay: 0.8s; }
        .sidebar button:nth-child(8) { animation-delay: 0.9s; }
        .sidebar button:nth-child(9) { animation-delay: 1.0s; }

        .sidebar button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .sidebar button:hover::before {
            width: 200px;
            height: 200px;
        }

        .sidebar button:hover {
            background: var(--accent-hover);
            transform: scale(1.06);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        [data-performance="optimized"] .sidebar button,
        [data-performance="optimized"] .sidebar.open button {
            animation: none;
            transition: none;
            opacity: 1;
            transform: none;
            box-shadow: none;
        }

        [data-performance="optimized"] .sidebar button::before {
            display: none;
        }

        [data-performance="optimized"] .sidebar button:hover {
            background: var(--accent-color);
            transform: none;
            box-shadow: none;
        }

        .theme-toggle i {
            transition: transform 0.3s ease;
        }

        .theme-toggle.active i {
            transform: rotate(180deg);
        }

        [data-performance="optimized"] .theme-toggle i,
        [data-performance="optimized"] .theme-toggle.active i {
            transition: none;
            transform: none;
        }

        .performance-toggle i {
            transition: transform 0.3s ease;
        }

        .performance-toggle.active i {
            transform: rotate(360deg);
        }

        [data-performance="optimized"] .performance-toggle i,
        [data-performance="optimized"] .performance-toggle.active i {
            transition: none;
            transform: none;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 1;
        }

        .header {
            text-align: center;
            padding: 120px 0;
            position: relative;
            perspective: 1000px;
        }

        .header h1 {
            font-size: clamp(48px, 8vw, 80px);
            font-weight: 700;
            background: linear-gradient(45deg, var(--accent-color), var(--text-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            opacity: 0;
            transform: translateY(100px) rotateX(-20deg);
        }

        .header .subtitle {
            font-size: clamp(18px, 2.6vw, 22px);
            color: var(--box-text);
            margin: 20px 0;
            opacity: 0;
            transform: scale(0.8);
            letter-spacing: 1px;
            transition: all 0.8s ease;
        }

        .header .login-button {
            background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
            color: var(--text-color);
            border: none;
            padding: 12px 40px;
            font-size: clamp(16px, 2.2vw, 18px);
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 0 12px var(--accent-color);
            animation: pulse 1.8s infinite;
            opacity: 0;
            transform: translateY(50px);
        }

        .header .login-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .header .login-button:hover::before {
            width: 300px;
            height: 300px;
        }

        .header .login-button:hover {
            transform: scale(1.15) translateY(-4px);
            box-shadow: 0 0 15px var(--accent-hover);
        }

        [data-performance="optimized"] .header .subtitle {
            transition: none;
        }

        [data-performance="optimized"] .header .login-button {
            animation: none;
            transition: none;
            background: var(--accent-color);
            box-shadow: none;
        }

        [data-performance="optimized"] .header .login-button::before {
            display: none;
        }

        [data-performance="optimized"] .header .login-button:hover {
            transform: none;
            box-shadow: none;
        }

        .section {
            margin: 80px 0;
            padding: 50px 0;
            position: relative;
        }

        .section h2 {
            font-size: clamp(32px, 4.5vw, 40px);
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            opacity: 0;
            transform: translateY(50px);
        }

        .why-nexus .content, .benefits-section .content, .future-section .content, .feature-breakdown .content, .blog-section .content, .team-section .content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            padding: 20px;
        }

        .reason-card, .benefit-card, .future-card, .feature-detail, .blog-card, .team-card {
            background: var(--box-bg);
            padding: 25px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.6s ease, box-shadow 0.6s ease;
            opacity: 0;
            transform: translateY(50px) rotateX(-10deg);
            perspective: 1000px;
        }

        .reason-card:hover, .benefit-card:hover, .future-card:hover, .feature-detail:hover, .blog-card:hover, .team-card:hover {
            transform: translateY(-10px) rotateX(0deg);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }

        [data-performance="optimized"] .reason-card,
        [data-performance="optimized"] .benefit-card,
        [data-performance="optimized"] .future-card,
        [data-performance="optimized"] .feature-detail,
        [data-performance="optimized"] .blog-card,
        [data-performance="optimized"] .team-card {
            transition: none;
            box-shadow: none;
        }

        [data-performance="optimized"] .reason-card:hover,
        [data-performance="optimized"] .benefit-card:hover,
        [data-performance="optimized"] .future-card:hover,
        [data-performance="optimized"] .feature-detail:hover,
        [data-performance="optimized"] .blog-card:hover,
        [data-performance="optimized"] .team-card:hover {
            transform: none;
            box-shadow: none;
        }

        .reason-card i, .benefit-card i, .future-card i, .feature-detail i {
            font-size: 28px;
            color: var(--accent-color);
            margin-bottom: 10px;
        }

        .reason-card h3, .benefit-card h3, .future-card h3, .feature-detail h3, .blog-card h3, .team-card h3 {
            font-size: clamp(18px, 2.4vw, 20px);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .reason-card p, .benefit-card p, .future-card p, .feature-detail p, .blog-card p, .team-card p {
            font-size: clamp(14px, 2vw, 16px);
            color: var(--box-text);
        }

        .features-section .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .feature-card {
            background: var(--box-bg);
            padding: 20px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.6s ease, box-shadow 0.6s ease;
            opacity: 0;
            transform: translateY(50px) scale(0.95);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
            transition: left 0.4s ease;
            opacity: 0;
        }

        .feature-card:hover::before {
            left: 100%;
            opacity: 0.4;
        }

        .feature-card:hover {
            transform: translateY(-10px) scale(1);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
        }

        [data-performance="optimized"] .feature-card {
            transition: none;
            box-shadow: none;
        }

        [data-performance="optimized"] .feature-card::before {
            display: none;
        }

        [data-performance="optimized"] .feature-card:hover {
            transform: none;
            box-shadow: none;
        }

        [data-performance="optimized"] .feature-card:hover::before {
            display: none;
        }

        .feature-card i {
            font-size: 24px;
            color: var(--accent-color);
            margin-bottom: 10px;
        }

        .feature-card h3 {
            font-size: clamp(16px, 2.2vw, 18px);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: clamp(12px, 1.8vw, 14px);
            color: var(--box-text);
        }

        .feature-detail ul {
            list-style: none;
            padding: 0;
        }

        .feature-detail li {
            font-size: clamp(14px, 2vw, 16px);
            color: var(--box-text);
            margin: 10px 0;
            position: relative;
            padding-left: 25px;
            opacity: 0;
            transform: translateX(-20px);
        }

        .feature-detail li::before {
            content: '\\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent-color);
            position: absolute;
            left: 0;
            top: 2px;
        }

        .future-card {
            text-align: center;
        }

        .team-card {
            text-align: center;
        }

        .team-card img {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            margin-bottom: 10px;
            border: 2px solid var(--accent-color);
        }

        .team-card .role {
            font-size: clamp(12px, 1.8vw, 14px);
            color: var(--accent-color);
            margin-bottom: 5px;
        }

        .blog-card .date {
            font-size: clamp(12px, 1.8vw, 14px);
            color: var(--accent-color);
            margin-bottom: 5px;
        }

        .faq-section .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--box-bg);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            cursor: pointer;
            opacity: 0;
            transform: translateY(20px);
        }

        .faq-item:hover {
            background: linear-gradient(135deg, #3a3a3a, #252525);
        }

        [data-performance="optimized"] .faq-item:hover {
            background: var(--box-bg);
        }

        .faq-item h3 {
            font-size: clamp(16px, 2.2vw, 18px);
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item h3 i {
            transition: transform 0.3s ease;
        }

        .faq-item.active h3 i {
            transform: rotate(180deg);
        }

        [data-performance="optimized"] .faq-item h3 i,
        [data-performance="optimized"] .faq-item.active h3 i {
            transition: none;
            transform: none;
        }

        .faq-item p {
            font-size: clamp(14px, 2vw, 16px);
            color: var(--box-text);
            display: none;
        }

        .faq-item.active p {
            display: block;
        }

        .cta-section, .extended-cta {
            text-align: center;
            padding: 60px 0;
            background: var(--box-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            margin: 80px 0;
        }

        .cta-section p, .extended-cta p {
            font-size: clamp(16px, 2.4vw, 20px);
            color: var(--box-text);
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(50px);
        }

        .extended-cta .invite-button {
            background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
            color: var(--text-color);
            border: none;
            padding: 12px 40px;
            font-size: clamp(16px, 2.2vw, 18px);
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 0 12px var(--accent-color);
            animation: pulse 1.8s infinite;
            opacity: 0;
            transform: translateY(50px);
        }

        .extended-cta .invite-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .extended-cta .invite-button:hover::before {
            width: 300px;
            height: 300px;
        }

        .extended-cta .invite-button:hover {
            transform: scale(1.15) translateY(-4px);
            box-shadow: 0 0 15px var(--accent-hover);
        }

        [data-performance="optimized"] .extended-cta .invite-button {
            animation: none;
            transition: none;
            background: var(--accent-color);
            box-shadow: none;
        }

        [data-performance="optimized"] .extended-cta .invite-button::before {
            display: none;
        }

        [data-performance="optimized"] .extended-cta .invite-button:hover {
            transform: none;
            box-shadow: none;
        }

        .extended-cta .features-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin: 30px 0;
        }

        .extended-cta .feature-item {
            background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
            color: var(--text-color);
            padding: 10px 20px;
            border-radius: 25px;
            font-size: clamp(14px, 2vw, 16px);
            font-weight: 600;
            opacity: 0;
            transform: scale(0.8);
        }

        [data-performance="optimized"] .extended-cta .feature-item {
            background: var(--accent-color);
        }

        .footer {
            text-align: center;
            padding: 20px 0;
            background: var(--footer-bg);
            border-radius: 20px;
            margin: 20px 0;
            opacity: 0;
            transform: translateY(50px);
        }

        .footer p {
            font-size: clamp(10px, 1.5vw, 12px);
            color: var(--box-text);
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .footer p:hover {
            text-decoration: underline;
            text-decoration-color: var(--accent-color);
            text-shadow: 0 0 8px var(--accent-color);
        }

        [data-performance="optimized"] .footer p {
            transition: none;
        }

        [data-performance="optimized"] .footer p:hover {
            text-decoration: none;
            text-shadow: none;
        }

        @keyframes slide-in {
            0% { opacity: 0; transform: translateY(100px) rotateX(-20deg); }
            100% { opacity: 1; transform: translateY(0) rotateX(0deg); }
        }

        @keyframes fade-in-scale {
            0% { opacity: 0; transform: scale(0.8); letter-spacing: 1px; }
            100% { opacity: 1; transform: scale(1); letter-spacing: 2px; }
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 12px var(--accent-color); }
            50% { box-shadow: 0 0 25px var(--accent-hover); }
            100% { box-shadow: 0 0 12px var(--accent-color); }
        }

        @keyframes bounce-in {
            0% { opacity: 0; transform: translateY(12px); }
            60% { opacity: 1; transform: translateY(-4px); }
            100% { opacity: 1; transform: translateY(0); }
        }

        @keyframes stagger-in {
            0% { opacity: 0; transform: scale(0.8); }
            100% { opacity: 1; transform: scale(1); }
        }

        @keyframes stagger-slide {
            0% { opacity: 0; transform: translateX(-20px); }
            100% { opacity: 1; transform: translateX(0); }
        }

        [data-performance="optimized"] * {
            animation: none !important;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 15px;
            }

            .header h1 {
                font-size: 48px;
            }

            .header .subtitle {
                font-size: 18px;
            }

            .why-nexus .content, .benefits-section .content, .features-section .features-grid, .future-section .content, .feature-breakdown .content, .blog-section .content, .team-section .content {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .header {
                padding: 80px 0;
            }

            .header h1 {
                font-size: 36px;
            }

            .header .subtitle {
                font-size: 16px;
            }

            .why-nexus .content, .benefits-section .content, .features-section .features-grid, .future-section .content, .feature-breakdown .content, .blog-section .content, .team-section .content {
                grid-template-columns: 1fr;
            }

            .sidebar {
                width: 180px;
            }
        }

        @media (max-width: 360px) {
            .header h1 {
                font-size: 28px;
            }

            .header .subtitle {
                font-size: 14px;
            }

            .top-bar .logo img {
                width: 28px;
                height: 28px;
            }

            .top-bar .nexus-text {
                font-size: 14px;
            }

            .sidebar button {
                padding: 6px;
                font-size: 12px;
            }
        }