/* --- General Styling & CSS Variables --- */
        :root {
            --dark-bg: #0a0a1a;
            --deep-blue: #10102c;
            --card-bg: rgba(22, 22, 45, 0.6);
            --primary-text: #e0e0e0;
            --secondary-text: #a0a0b0;
            --accent-neon: #00f2ff;
            --accent-gradient: linear-gradient(90deg, #00f2ff, #576eff);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        /* --- Custom Scrollbar --- */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--deep-blue);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-neon);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #576eff;
        }

        /* --- Reusable Components --- */
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 100px 0;
        }

        h1, h2, h3 {
            font-weight: 600;
        }
        
        h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            line-height: 1.2;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        h2 {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            text-align: center;
            position: relative;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent-gradient);
            border-radius: 2px;
        }

        p {
            color: var(--secondary-text);
            margin-bottom: 1.5rem;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: #fff;
            box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(0, 242, 255, 0.5);
        }

        /* --- Header / Navigation --- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 20px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 100;
            background: rgba(10, 10, 26, 0.5);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-text);
            text-decoration: none;
        }

        .logo span {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links a {
            color: var(--secondary-text);
            text-decoration: none;
            margin-left: 30px;
            font-weight: 400;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--accent-neon);
        }


        /* --- Hero Section --- */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 100px; /* For fixed header */
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 2rem;
            width: 100%;
        }

        .hero-text {
            z-index: 10;
        }

        .hero-text .subtitle {
            font-size: 1.2rem;
            font-weight: 300;
            color: var(--accent-neon);
            letter-spacing: 2px;
            margin-bottom: 1rem;
        }

        .phone-visual-container {
            display: flex;
            justify-content: center;
            align-items: center;
            perspective: 1500px;
        }

        .phone-3d {
            width: 280px;
            height: 560px;
            transform-style: preserve-3d;
            position: relative;
        }

        .phone-face {
            position: absolute;
            width: 100%;
            height: 100%;
            background-size: cover;
            border-radius: 30px;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
        }

        .phone-front {
            background-color: var(--dark-bg);
            border: 2px solid rgba(255, 255, 255, 0.2);
            transform: translateZ(10px);
            overflow: hidden; /* Crucial: Clips the content to the screen */
        }

        .phone-back {
            background: linear-gradient(135deg, #1a1a3a, var(--deep-blue));
            border: 2px solid rgba(255, 255, 255, 0.1);
            transform: rotateY(180deg) translateZ(10px);
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .phone-back::after { /* Camera module simulation */
            content: '';
            width: 100px;
            height: 100px;
            background: rgba(0,0,0,0.3);
            border-radius: 15px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        
        /* --- Phone Screen Content (NEW) --- */
        .phone-screen-content {
            position: relative;
            width: 100%;
            height: 100%;
            padding: 30px 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
        }
        
        .phone-bg-animated {
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, var(--accent-neon), var(--deep-blue) 60%);
            z-index: 1;
        }

        .phone-lockscreen, .phone-apps, .phone-swipe-hint {
            z-index: 2;
            width: 100%;
        }

        .phone-lockscreen {
            text-align: center;
        }

        .phone-time {
            font-size: 3.5rem;
            font-weight: 600;
            color: #fff;
            line-height: 1;
        }

        .phone-date {
            font-size: 0.9rem;
            font-weight: 300;
            color: var(--secondary-text);
        }

        .phone-apps {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .phone-app-icon {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 1.2rem;
            font-weight: bold;
        }

        .phone-swipe-hint {
            height: 4px;
            width: 100px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 5px;
            margin: 0 auto;
        }

        /* --- Latest Models Section --- */
        #models .models-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .model-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .model-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 242, 255, 0.1);
            border-color: var(--accent-neon);
        }

        .model-card img {
            max-width: 80%;
            height: auto;
            margin-bottom: 1.5rem;
        }

        .model-card h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--primary-text);
        }

        .model-card .specs {
            list-style: none;
            color: var(--secondary-text);
            margin-bottom: 1.5rem;
        }

        .model-card .specs li {
            margin-bottom: 0.5rem;
        }
        
        /* --- Features Section --- */
        #features .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }

        .feature-item {
            text-align: center;
            padding: 1.5rem;
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            display: inline-block;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .feature-item h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-text);
        }

        /* --- Comparison Section --- */
        #comparison {
            background-color: var(--deep-blue);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 3rem;
        }

        .comparison-table th, .comparison-table td {
            padding: 1.5rem 1rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .comparison-table th {
            font-size: 1.2rem;
            color: var(--primary-text);
            background-color: rgba(0,0,0,0.2);
        }

        .comparison-table td {
            color: var(--secondary-text);
        }
        
        .comparison-table tr > td:first-child {
            font-weight: 600;
            color: var(--primary-text);
            text-align: left;
        }

        .comparison-table .highlight {
            color: var(--accent-neon);
            font-weight: 700;
        }

        /* --- Reviews Section --- */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .review-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 2rem;
            backdrop-filter: blur(5px);
        }

        .review-card p {
            font-style: italic;
            margin-bottom: 1.5rem;
        }
        
        .review-author {
            display: flex;
            align-items: center;
        }
        
        .review-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
            border: 2px solid var(--accent-neon);
        }

        .author-info h4 {
            color: var(--primary-text);
        }
        .author-info span {
            color: var(--secondary-text);
            font-size: 0.9rem;
        }

        /* --- CTA Section --- */
        #cta {
            background: var(--deep-blue);
            text-align: center;
        }
        
        #cta h2 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        /* --- Footer --- */
        footer {
            text-align: center;
            padding: 2rem;
            background: var(--dark-bg);
            color: var(--secondary-text);
            font-size: 0.9rem;
        }


        /* --- Responsive Design --- */
        @media (max-width: 992px) {
            h1 { font-size: 3rem; }
            h2 { font-size: 2.2rem; }

            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-text {
                order: 2;
            }
            .phone-visual-container {
                order: 1;
                margin-bottom: 3rem;
            }
            
            .phone-3d {
                width: 240px;
                height: 480px;
            }
        }

        @media (max-width: 768px) {
            header {
                padding: 15px 5%;
                flex-direction: column;
            }
            .logo { margin-bottom: 15px; }
            .nav-links a { margin: 0 10px; }

            .container { padding: 80px 0; }

            #hero {
                padding-top: 150px; /* Adjust for taller mobile header */
            }

            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.8rem; }
            
            .comparison-table { font-size: 0.9rem; }
            .comparison-table th, .comparison-table td { padding: 1rem 0.5rem; }
            
             /* Stack table for mobile */
            .comparison-table thead { display: none; }
            .comparison-table, .comparison-table tbody, .comparison-table tr, .comparison-table td {
                display: block;
                width: 100%;
            }
            .comparison-table tr {
                margin-bottom: 15px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 10px;
            }
            .comparison-table td {
                text-align: right;
                padding-left: 50%;
                position: relative;
                border: none;
            }
            .comparison-table td::before {
                content: attr(data-label);
                position: absolute;
                left: 10px;
                width: 45%;
                padding-right: 10px;
                white-space: nowrap;
                text-align: left;
                font-weight: bold;
                color: var(--primary-text);
            }
        }