* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #050505;
    color: white;
    overflow-x: hidden; /* Side scroll band */
    height: 100vh;
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.highlight {
    color: #00f3ff; /* Neon Cyan */
}

.menu a {
    color: #aaa;
    text-decoration: none;
    margin: 0 20px;
    font-weight: 500;
    transition: 0.3s;
}

.menu a:hover {
    color: #00f3ff;
}

.buy-btn {
    padding: 10px 25px;
    background: transparent;
    border: 2px solid #00f3ff;
    color: #00f3ff;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.3s;
}

.buy-btn:hover {
    background: #00f3ff;
    color: #000;
    box-shadow: 0 0 20px #00f3ff;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    height: 100vh;
}

.hero-text {
    width: 50%;
    z-index: 2;
}

.subtitle {
    color: #00f3ff;
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.title {
    font-size: 5rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
}

.description {
    color: #bbb;
    max-width: 450px;
    margin-bottom: 40px;
}

.cta-btn {
    padding: 15px 40px;
    background: linear-gradient(45deg, #00f3ff, #0077ff);
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 243, 255, 0.3);
}

/* Right Side Image Area */
.hero-image {
    width: 50%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-img {
    width: 80%;
    z-index: 2;
    filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
}

/* Glowing Background Circle */
.circle {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,243,255,0.2) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: 1;
}

/* Features Section */
.features {
    padding: 100px 10%;
    background-color: #050505;
    text-align: center;
    position: relative; /* Z-index fix ke liye */
    z-index: 10;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    margin-bottom: 60px;
    color: white;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
}

.feature-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 30%;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s; 
}

.feature-card:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: #00f3ff;
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.2);
}

.feature-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: #00f3ff;
    margin-bottom: 15px;
}

.feature-card p {
    color: #bbb;
    font-size: 0.9rem;
    line-height: 1.6;
}


/* Footer Styling */
footer {
    background: #000;
    padding: 50px 10% 20px 10%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

footer h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 10px;
}

footer p {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.socials a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

.socials a:hover {
    color: #00f3ff;
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.8rem;
}

/* =========================================
   RESPONSIVE DESIGN (Mobile & Tablet) 
   ========================================= */

@media (max-width: 768px) {
    
    /* 1. Navbar Adjustments */
    nav {
        padding: 20px 5%;
        background: rgba(5, 5, 5, 0.95); /* Dark background taaki content mix na ho */
        backdrop-filter: blur(10px);
    }
    
    .logo {
        font-size: 1.2rem;
    }

    .menu {
        display: none; /* Mobile me links chupa denge clean look ke liye */
    }

    .buy-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    /* 2. Hero Section (Image aur Text ko upar-niche karein) */
    .hero {
        flex-direction: column-reverse; /* Image upar, Text neeche */
        height: auto; /* Fixed height hata di taaki content kate nahi */
        padding: 100px 5% 50px 5%;
        text-align: center;
    }

    .hero-text {
        width: 100%;
        margin-top: 30px;
    }

    .hero-image {
        width: 100%;
        margin-bottom: 20px;
    }

    .circle {
        width: 280px;
        height: 280px;
    }

    /* Fonts chote karein mobile ke liye */
    .title {
        font-size: 3rem; 
        margin-bottom: 15px;
    }
    
    .description {
        margin: 0 auto 30px auto; /* Center alignment */
        font-size: 0.9rem;
    }

    /* 3. Features Section (Cards ko ek ke baad ek karein) */
    .features {
        padding: 60px 5%;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .feature-container {
        flex-direction: column; /* Row se Column banaya */
        gap: 20px;
    }

    .feature-card {
        width: 100%; /* Full width cards */
    }
}