/* Cyber-White Neon Style (Sharp & Light) */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Rajdhani:wght@400;600&display=swap');

body {
    margin: 0;
    padding: 0;
    font-family: 'Rajdhani', sans-serif;
    background-color: #f0f5f9; /* Very Light Ice Blue */
    color: #1a1a1a;
    min-height: 100vh;
}

/* Background Pattern: Subtle Tech Grid */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(#e1e8ed 1px, transparent 1px), 
                      linear-gradient(90deg, #e1e8ed 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
}

/* Header: Sharp Blue Gradient */
.main-header {
    background: #ffffff;
    padding: 60px 20px;
    text-align: center;
    border-bottom: 5px solid #00d4ff; /* Neon Cyan Border */
    box-shadow: 0 10px 0 #0056b3; /* Solid Flat Shadow */
}

.main-header h1 {
    font-family: 'Orbitron', sans-serif;
    color: #0056b3;
    font-size: 3rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 5px;
}

.main-header p {
    color: #555;
    font-weight: 600;
    letter-spacing: 2px;
    margin-top: 10px;
}

/* Container: Ultra Sharp & White */
.main-container {
    max-width: 600px;
    width: 90%;
    margin: 60px auto;
    background: #ffffff;
    padding: 40px;
    border: 3px solid #1a1a1a; /* Thick Sharp Border */
    border-radius: 0; /* No Round Corners */
    position: relative;
}

/* Corner Accents (Cyan and Pink) */
.main-container::after {
    content: "";
    position: absolute;
    top: -10px; right: -10px;
    width: 50px; height: 50px;
    border-top: 6px solid #ff007f; /* Neon Pink */
    border-right: 6px solid #ff007f;
}

.main-container::before {
    content: "";
    position: absolute;
    bottom: -10px; left: -10px;
    width: 50px; height: 50px;
    border-bottom: 6px solid #00d4ff; /* Neon Cyan */
    border-left: 6px solid #00d4ff;
}

/* Dropdowns: Industrial Look */
select {
    width: 100%;
    padding: 15px;
    margin: 20px 0;
    background: #f8f9fa;
    border: 2px solid #1a1a1a;
    color: #1a1a1a;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

select:focus {
    background: #ffffff;
    border-color: #00d4ff;
}

/* Chapter Buttons: High Contrast Minimalist */
.chapter-btn {
    display: block;
    padding: 20px;
    margin: 15px 0;
    background: #1a1a1a;
    color: #ffffff;
    text-decoration: none;
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    letter-spacing: 2px;
    transition: all 0.2s ease;
    border: none;
}

.chapter-btn:hover {
    background: #00d4ff;
    color: #1a1a1a;
    transform: translate(5px, -5px);
    box-shadow: -5px 5px 0 #1a1a1a;
}

/* Latest Updates: Tag Style */
.latest-updates a {
    display: inline-block;
    padding: 10px 15px;
    margin: 5px;
    background: #ffffff;
    border: 2px solid #1a1a1a;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.85rem;
}

.latest-updates a:hover {
    background: #ff007f;
    color: white;
    border-color: #ff007f;
}
/* Mobile Responsiveness - मोबाइल के लिए सुधार */
@media (max-width: 600px) {
    .main-header {
        padding: 40px 15px; /* मोबाइल पर हेडर थोड़ा छोटा */
    }

    .main-header h1 {
        font-size: 1.8rem; /* मोबाइल पर फोंट का साइज छोटा */
        letter-spacing: 2px;
    }

    .main-container {
        width: 85%; /* स्क्रीन के हिसाब से चौड़ाई */
        margin: 30px auto;
        padding: 25px 20px;
        border: 2px solid #1a1a1a; /* मोबाइल पर बॉर्डर थोड़ी पतली */
    }

    /* मोबाइल पर कोनों के डिजाइन (Corners) को छोटा करें */
    .main-container::after, .main-container::before {
        width: 30px;
        height: 30px;
        border-width: 4px;
    }

    .main-container::after { top: -6px; right: -6px; }
    .main-container::before { bottom: -6px; left: -6px; }

    select {
        font-size: 0.9rem;
        padding: 12px;
    }

    .chapter-btn {
        padding: 15px;
        font-size: 0.9rem;
    }
}
/* Header Link Styling */
.header-link {
    text-decoration: none; /* Underline हटाने के लिए */
    color: inherit;       /* Header का जो रंग है वही रखने के लिए */
    display: inline-block;
}

.header-link:hover {
    color: #ff007f; /* Hover करने पर Magenta रंग (आपकी थीम के अनुसार) */
    transform: scale(1.02); /* हल्का सा ज़ूम इफेक्ट */
    transition: 0.3s;
}