:root {
            --bg-dark: #050505;
            --card-bg: #121212;
            --accent-blue: #2563eb;
            /* iOS Blue */
            --accent-green: #00dc82;
            /* Android Green */
            --accent-gradient: linear-gradient(135deg, #2563eb 0%, #db2777 100%);
            --text-white: #ffffff;
            --text-gray: #9ca3af;
        }

        body {
            background-color: var(--bg-dark);
            font-family: 'Outfit', sans-serif;
            color: var(--text-white);
            overflow-x: hidden;
        }

        /* --- HERO SECTION --- */
        .app-hero {
            position: relative;
            padding: 120px 0 80px;
            background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.15), transparent 60%);
            overflow: hidden;
        }

        .btn-outline-data {
            border: 2px solid #2563eb;
            color: var(--text-white);
            padding: 12px 35px;
            border-radius: 0;
            font-weight: 700;
            text-decoration: none;
            transition: 0.3s;
        }

        .btn-outline-data:hover {
            background: #2563eb;
            color: black;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 20px;
        }

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

        /* PHONE MOCKUP ANIMATION */
        .phone-mockup {
            width: 280px;
            height: 550px;
            background: #000;
            border: 8px solid #333;
            border-radius: 40px;
            position: relative;
            margin: 0 auto;
            box-shadow: 0 0 50px rgba(37, 99, 235, 0.3);
            animation: floatPhone 6s ease-in-out infinite;
            overflow: hidden;
        }

        .screen-content {
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1551650975-87deedd944c3?w=500&q=80') center/cover;
            position: relative;
        }

        .notification {
            position: absolute;
            top: 50px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255, 255, 255, 0.9);
            color: #000;
            padding: 10px 15px;
            border-radius: 12px;
            width: 80%;
            font-size: 0.8rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            animation: popIn 1s ease-out infinite alternate;
        }

        @keyframes floatPhone {

            0%,
            100% {
                transform: translateY(0);
            }

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

        @keyframes popIn {
            0% {
                transform: translateX(-50%) scale(0.9);
            }

            100% {
                transform: translateX(-50%) scale(1);
            }
        }

        /* --- SPLIT SECTION (FRONTEND vs BACKEND) --- */
        .split-card {
            background: var(--card-bg);
            border: 1px solid #333;
            border-radius: 20px;
            padding: 40px;
            height: 100%;
            transition: 0.3s;
        }

        .split-card:hover {
            transform: translateY(-10px);
            border-color: var(--accent-blue);
        }

        .icon-box {
            width: 70px;
            height: 70px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 25px;
        }

        .icon-fe {
            background: rgba(37, 99, 235, 0.1);
            color: var(--accent-blue);
        }

        .icon-be {
            background: rgba(0, 220, 130, 0.1);
            color: var(--accent-green);
        }

        .skill-tag {
            background: #222;
            padding: 5px 12px;
            border-radius: 5px;
            font-size: 0.85rem;
            margin-right: 5px;
            margin-bottom: 8px;
            display: inline-block;
            border: 1px solid #333;
        }

        /* --- CLONE PROJECTS --- */
        .project-card {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            height: 300px;
            group: hover;
        }

        .project-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.5s;
            filter: brightness(0.6);
        }

        .project-card:hover .project-bg {
            transform: scale(1.1);
            filter: brightness(0.3);
        }

        .project-info {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 20px;
            background: linear-gradient(to top, #000, transparent);
        }

        /* --- CTA --- */
        .btn-glow {
            background: var(--accent-blue);
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
            transition: 0.3s;
        }

        .btn-glow:hover {
            box-shadow: 0 0 40px rgba(37, 99, 235, 0.8);
            transform: scale(1.05);
            color: white;
        }

        /* Navbar & Footer tweaks from main CSS */
        .navbar {
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
        }