/* CSS Variables with Dark Theme */
        :root {
            --primary-color: #121212;
            --secondary-color: #1e1e1e;
            --accent-color: #0f3460;
            --highlight-color: #e94560;
            --light-color: #f1f1f1;
            --dark-color: #0a0a0a;
            --text-light: #ffffff;
            --text-dark: #e6e6e6;
            --header-height: 80px;
            --chat-color: #1a1a2e;
            --forum-color: #16213e;
            --feature-1: #0f3460;
            --feature-2: #1a3e72;
            --feature-3: #1f4b7a;
            --feature-4: #245582;
            --feature-5: #29608a;
            --feature-6: #2e6b92;
            --nav-icon-bg: #e94560;
            --nav-icon-color: #ffffff;
        }

        /* Base Styles with Performance Optimizations */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            background-color: var(--primary-color);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        /* Skip to Content Link for Accessibility */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--highlight-color);
            color: white;
            padding: 8px;
            z-index: 100;
            transition: top 0.3s;
        }

        .skip-link:focus {
            top: 0;
        }

        /* Header with Unique Navbar */
        header {
            background: rgba(18, 18, 18, 0.95);
            color: var(--text-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform, background;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 2rem;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-light);
            font-weight: 700;
            font-size: 1.7rem;
            transition: all 0.3s ease;
            height: 100%;
        }

        .logo-img {
            height: 42px;
            width: auto;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
            will-change: transform;
        }

        .logo:hover .logo-img {
            transform: rotate(15deg) scale(1.1);
            filter: drop-shadow(0 0 8px rgba(233, 69, 96, 0.6));
        }

        /* Unique Navbar Design */
        nav {
            display: flex;
            align-items: center;
            height: 100%;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            height: 100%;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            padding: 0 1.5rem;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            height: 100%;
            will-change: transform, background-color;
        }

        .nav-links a i {
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }

        .nav-links a:hover {
            background-color: rgba(233, 69, 96, 0.15);
        }

        .nav-links a:hover i {
            transform: scale(1.2);
            color: var(--highlight-color);
        }

        .nav-links a::before {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background-color: var(--highlight-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            transition: width 0.3s ease;
            border-radius: 3px 3px 0 0;
        }

        .nav-links a:hover::before {
            width: 80%;
        }

        .nav-links a.active {
            background-color: rgba(233, 69, 96, 0.1);
        }

        .nav-links a.active::before {
            width: 100%;
        }

        /* Custom Animated Hamburger Menu */
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            position: relative;
            width: 40px;
            height: 40px;
            z-index: 1001;
            padding: 0;
            transition: all 0.4s ease;
        }

        .hamburger span {
            display: block;
            position: absolute;
            height: 3px;
            width: 100%;
            background: var(--highlight-color);
            border-radius: 3px;
            opacity: 1;
            left: 0;
            transform: rotate(0deg);
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .hamburger span:nth-child(1) {
            top: 10px;
            transform-origin: left center;
        }

        .hamburger span:nth-child(2) {
            top: 18px;
            transform-origin: left center;
        }

        .hamburger span:nth-child(3) {
            top: 26px;
            transform-origin: left center;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg);
            top: 9px;
            left: 5px;
        }

        .hamburger.active span:nth-child(2) {
            width: 0%;
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg);
            top: 27px;
            left: 5px;
        }

        .hamburger:hover span {
            background: white;
        }

        /* Hero Section with Performance Optimizations */
        .hero {
            background: 
                linear-gradient(135deg, rgba(18, 18, 18, 0.95), rgba(10, 10, 10, 0.98)),
                url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            height: calc(100vh - var(--header-height));
            min-height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--text-light);
            padding: 0 2rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                to bottom,
                rgba(18, 18, 18, 0.7) 0%,
                rgba(18, 18, 18, 0.3) 50%,
                rgba(18, 18, 18, 0.7) 100%
            );
        }

        .hero-content {
            max-width: 900px;
            position: relative;
            z-index: 2;
            transform: translateY(30px);
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.3s forwards;
            background: rgba(30, 30, 30, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 3rem;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 
                0 20px 50px rgba(0, 0, 0, 0.3),
                inset 0 0 20px rgba(255, 255, 255, 0.05);
            will-change: transform, opacity;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            background: linear-gradient(to right, #fff, #e0e0e0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            font-weight: 700;
        }

        .hero p {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            margin-bottom: 3rem;
            opacity: 0;
            line-height: 1.7;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeIn 0.8s ease-out 0.8s forwards;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            opacity: 0;
            animation: fadeIn 0.8s ease-out 1s forwards;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2.2rem;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            text-align: center;
            font-size: 1.1rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
            z-index: 1;
            will-change: transform;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
            z-index: -1;
        }

        .btn:hover::before {
            transform: translateX(100%);
        }

        .btn-chat {
            background-color: var(--highlight-color);
            color: white;
        }

        .btn-chat:hover {
            background-color: #d43a58;
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 30px rgba(233, 69, 96, 0.5);
        }

        .btn-forum {
            background-color: var(--accent-color);
            color: white;
        }

        .btn-forum:hover {
            background-color: #0d2b4d;
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 30px rgba(15, 52, 96, 0.5);
        }

        /* Features Section with Updated Items */
        .features {
            padding: 7rem 2rem;
            max-width: 1600px;
            margin: 0 auto;
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 5rem;
            font-size: clamp(2rem, 5vw, 3rem);
            color: var(--text-light);
            position: relative;
            font-weight: 700;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s ease-out 0.4s forwards;
        }

        .section-title::after {
            content: '';
            position: absolute;
            width: 120px;
            height: 4px;
            background: linear-gradient(to right, var(--highlight-color), var(--accent-color));
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 4px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
        }

        .feature-card {
            background-color: rgba(30, 30, 30, 0.7);
            border-radius: 16px;
            padding: 3rem 2.5rem;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0;
            transform: translateY(30px);
            will-change: transform, box-shadow;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .feature-card:nth-child(1) { 
            animation: fadeInUp 0.6s ease-out 0.6s forwards;
            --feature-color: var(--feature-1);
        }
        .feature-card:nth-child(2) { 
            animation: fadeInUp 0.6s ease-out 0.8s forwards;
            --feature-color: var(--feature-2);
        }
        .feature-card:nth-child(3) { 
            animation: fadeInUp 0.6s ease-out 1s forwards;
            --feature-color: var(--feature-3);
        }
        .feature-card:nth-child(4) { 
            animation: fadeInUp 0.6s ease-out 1.2s forwards;
            --feature-color: var(--feature-4);
        }
        .feature-card:nth-child(5) { 
            animation: fadeInUp 0.6s ease-out 1.4s forwards;
            --feature-color: var(--feature-5);
        }
        .feature-card:nth-child(6) { 
            animation: fadeInUp 0.6s ease-out 1.6s forwards;
            --feature-color: var(--feature-6);
        }

        .feature-card:hover {
            transform: translateY(-15px) !important;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
            border-color: var(--highlight-color);
            background-color: rgba(30, 30, 30, 0.9);
        }

        .feature-icon {
            font-size: 3rem;
            color: var(--highlight-color);
            margin-bottom: 2rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 90px;
            height: 90px;
            background-color: rgba(233, 69, 96, 0.1);
            border-radius: 50%;
            transition: all 0.5s ease;
            position: relative;
            z-index: 1;
        }

        .feature-icon::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--highlight-color), var(--accent-color));
            opacity: 0;
            transition: all 0.5s ease;
            z-index: -1;
        }

        .feature-card:hover .feature-icon {
            color: white;
            transform: scale(1.1);
        }

        .feature-card:hover .feature-icon::before {
            opacity: 1;
            transform: scale(1.1);
        }

        .feature-card h3 {
            margin-bottom: 1.5rem;
            color: var(--text-light);
            font-size: 1.6rem;
            font-weight: 600;
        }

        .feature-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            line-height: 1.7;
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
            color: var(--text-light);
            padding: 6rem 2rem 2rem;
            position: relative;
            clip-path: polygon(0 5%, 100% 0, 100% 100%, 0% 100%);
        }

        .footer-container {
            max-width: 1600px;
            margin: 0 auto;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .footer-column h3 {
            margin-bottom: 1.8rem;
            position: relative;
            display: inline-block;
            font-size: 1.4rem;
            font-weight: 600;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            width: 60%;
            height: 3px;
            background: linear-gradient(to right, var(--highlight-color), transparent);
            bottom: -8px;
            left: 0;
            border-radius: 3px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 1rem;
        }

        .footer-links a {
            color: #e0e0e0;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
        }

        .footer-links a i {
            font-size: 1.1rem;
            width: 20px;
            color: var(--highlight-color);
        }

        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }

        .copyright {
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            font-size: 0.95rem;
            color: #e0e0e0;
            text-align: center;
            background: rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
            border-radius: 12px;
            backdrop-filter: blur(5px);
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Styles with More Breakpoints */
        @media (max-width: 1920px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 1600px;
            }
        }

        @media (max-width: 1600px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 1400px;
            }
        }

        @media (max-width: 1440px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 1200px;
            }
            
            .hero h1 {
                font-size: 3.2rem;
            }
        }

        @media (max-width: 1280px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 1100px;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
            
            .section-title {
                font-size: 2.7rem;
            }
            
            .hero-content {
                padding: 2.5rem;
            }
        }

        @media (max-width: 1200px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .section-title {
                font-size: 2.5rem;
            }
            
            .feature-card {
                padding: 2.5rem 2rem;
            }
            
            .hero-content {
                padding: 2rem;
                width: 90%;
            }
            
            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
        }

        @media (max-width: 1024px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 900px;
            }
            
            .hero h1 {
                font-size: 2.6rem;
            }
            
            .section-title {
                font-size: 2.3rem;
            }
            
            .nav-links a {
                padding: 0 1.2rem;
                font-size: 1rem;
            }
        }

        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.4rem;
            }
            
            .section-title {
                font-size: 2.2rem;
                margin-bottom: 4rem;
            }
            
            .feature-card {
                padding: 2.2rem 1.8rem;
            }
            
            .hero-content {
                padding: 1.8rem;
            }
            
            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 2rem;
            }
        }

        @media (max-width: 880px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 800px;
            }
            
            .nav-links a {
                padding: 0 1rem;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: -100%;
                width: 100%;
                height: calc(100vh - var(--header-height));
                background: rgba(18, 18, 18, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                gap: 0;
                transition: left 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
                padding-top: 3rem;
                overflow-y: auto;
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                width: 100%;
                text-align: center;
            }
            
            .nav-links a {
                font-size: 1.3rem;
                padding: 1.5rem;
                justify-content: center;
                background: rgba(233, 69, 96, 0.1);
                margin: 0.5rem 1rem;
                border-radius: 8px;
            }
            
            .hero {
                height: auto;
                padding: 6rem 2rem;
                min-height: auto;
                background-attachment: scroll;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 1.5rem;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
                padding: 1rem;
            }
            
            .section-title {
                font-size: 2rem;
                margin-bottom: 3.5rem;
            }
            
            .features {
                padding: 5rem 2rem;
            }
            
            footer {
                clip-path: polygon(0 3%, 100% 0, 100% 100%, 0% 100%);
                padding-top: 5rem;
            }
            
            .feature-card {
                padding: 2rem 1.5rem;
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 680px) {
            .header-container,
            .features,
            .footer-container {
                max-width: 100%;
                padding: 0 1.5rem;
            }
            
            .hero h1 {
                font-size: 2.1rem;
            }
        }

        @media (max-width: 576px) {
            .header-container {
                padding: 0 1.5rem;
            }
            
            .logo {
                font-size: 1.5rem;
            }
            
            .logo-img {
                height: 40px;
            }
            
            .hero {
                padding: 5rem 1.5rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .hero-content {
                padding: 1.5rem;
                width: 100%;
                border-radius: 16px;
            }
            
            .section-title {
                font-size: 1.8rem;
                margin-bottom: 3rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 4rem 1rem;
            }
            
            .hero-content {
                padding: 1.5rem 1rem;
            }
            
            .btn {
                font-size: 1rem;
                padding: 0.8rem 1.5rem;
            }
            
            .feature-card {
                padding: 1.8rem 1.2rem;
            }
            
            .footer-column h3 {
                font-size: 1.2rem;
            }
            
            .footer-links a {
                font-size: 0.95rem;
            }
            
            .hamburger {
                width: 36px;
                height: 36px;
            }
            
            .hamburger span {
                height: 2.5px;
            }
            
            .hamburger span:nth-child(1) {
                top: 11px;
            }
            
            .hamburger span:nth-child(2) {
                top: 18px;
            }
            
            .hamburger span:nth-child(3) {
                top: 25px;
            }
        }

        @media (max-width: 400px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .logo {
                font-size: 1.3rem;
                gap: 8px;
            }
            
            .logo-img {
                height: 36px;
            }
        }

        @media (max-width: 360px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            
            .hero p {
                font-size: 0.95rem;
            }
            
            .btn {
                font-size: 0.9rem;
            }
            
            .feature-card h3 {
                font-size: 1.4rem;
            }
            
            .feature-card p {
                font-size: 1rem;
            }
            
            .header-container {
                padding: 0 1rem;
            }
        }

        @media (max-width: 320px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            
            .hero p {
                font-size: 0.9rem;
            }
            
            .btn {
                padding: 0.7rem 1.2rem;
                font-size: 0.85rem;
            }
            
            .feature-card {
                padding: 1.5rem 1rem;
            }
            
            .logo {
                font-size: 1.2rem;
            }
            
            .logo-img {
                height: 32px;
            }
        }