/* part 1 hero section css */
    /* =========================================
       1. Light Mode (Default Variables)
       ========================================= */
    #study-hero {
        --st-text-main: #0f172a;        /* Dark text for light mode */
        --st-text-muted: #475569;       /* Gray text for light mode */
        --st-border: rgba(0, 0, 0, 0.1);
        --st-badge-bg: rgba(139, 92, 246, 0.1);
        --st-badge-text: #7e22ce;
        
        background: transparent;        /* Adopts your site's background */
        color: var(--st-text-main);
        padding: clamp(3rem, 5vw, 6rem) 1.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        font-family: 'Inter', sans-serif;
        transition: color 0.3s ease;
    }

    /* =========================================
       2. Dark Mode Variables
       (Ye common dark classes par automatically text white kar dega)
       ========================================= */
    .dark #study-hero,
    .dark-mode #study-hero,
    [data-theme="dark"] #study-hero {
        --st-text-main: #ffffff;        /* White text for dark mode */
        --st-text-muted: #9ca3af;       /* Light gray for dark mode */
        --st-border: rgba(255, 255, 255, 0.1);
        --st-badge-bg: rgba(139, 92, 246, 0.15);
        --st-badge-text: #d8b4fe;
    }

    /* =========================================
       3. Elements Styling
       ========================================= */
    #study-hero * {
        margin: 0; padding: 0; box-sizing: border-box;
    }

    #study-hero .st-badge {
        background: var(--st-badge-bg);
        color: var(--st-badge-text);
        border: 1px solid var(--st-border);
        padding: 0.5rem 1rem;
        border-radius: 50px;
        font-size: clamp(0.75rem, 2vw, 0.9rem);
        font-weight: 600;
        margin-bottom: 1.5rem;
        transition: 0.3s ease;
    }

    #study-hero .st-title {
        font-size: clamp(2rem, 6vw, 4.5rem);
        font-weight: 800;
        line-height: 1.1;
        margin-bottom: 1.2rem;
        color: var(--st-text-main);
    }

    #study-hero .st-gradient {
        background: linear-gradient(90deg, #a855f7, #06b6d4);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    #study-hero .st-desc {
        font-size: clamp(0.9rem, 2vw, 1.1rem);
        color: var(--st-text-muted);
        max-width: 600px;
        line-height: 1.6;
        margin-bottom: 2.5rem;
    }

    #study-hero .st-btn {
        background: #8b5cf6;
        color: #fff;
        text-decoration: none;
        padding: 0.8rem 2rem;
        border-radius: 12px;
        font-weight: 600;
        font-size: 1rem;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 5px 20px rgba(139, 92, 246, 0.4);
        transition: 0.3s;
    }

    #study-hero .st-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6);
        background: #9333ea;
    }

    


/* Part 2  header navbar footer css */


/* --- CSS Variables --- */
:root {
    --bg-main: #f4f6f9;
    --bg-header: rgba(255, 255, 255, 0.5);
    --bg-subnav: rgba(255, 255, 255, 0.7);
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --accent-color: #0056b3;
    --border-glass: rgba(0, 0, 0, 0.1);
    --footer-bg: #e9ecef;
    --footer-text: #333333;
    --footer-heading: #111111;
}

[data-theme="dark"] {
    --bg-main: #0d0d0d;
    --bg-header: rgba(20, 20, 20, 0.5);
    --bg-subnav: rgba(30, 30, 30, 0.7);
    --text-primary: #f8f9fa;
    --text-secondary: #bbbbbb;
    --accent-color: #4da3ff;
    --border-glass: rgba(255, 255, 255, 0.08);
    --footer-bg: #111111;
    --footer-text: #cccccc;
    --footer-heading: #ffffff;
}

/* --- Global Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, sans-serif; transition: background-color 0.3s, color 0.3s, border-color 0.3s; }
body { background-color: var(--bg-main); color: var(--text-primary); }
a { text-decoration: none; color: var(--text-primary); }
li { list-style: none; }

/* --- Floating Header --- */
.header-wrapper { position: sticky; top: 15px; z-index: 1000; padding: 0 20px; }
.main-header {
    background: var(--bg-header); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-glass); border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); height: 70px; display: flex; align-items: center; position: relative;
}
.header-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 25px; display: flex; justify-content: space-between; align-items: center; }
.logo a { font-size: 24px; font-weight: 800; }
.logo span { color: var(--accent-color); }

/* --- Desktop Search Form --- */
.search-container form {
    display: flex; background: var(--bg-main); border: 1px solid var(--border-glass);
    border-radius: 30px; overflow: hidden; width: 350px; box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
}
.search-container input { border: none; padding: 10px 20px; width: 100%; background: transparent; color: var(--text-primary); outline: none; }
.search-container button { background: transparent; color: var(--text-primary); border: none; padding: 10px 20px; cursor: pointer; }
.search-container button:hover { color: var(--accent-color); }

/* --- Header Controls --- */
.header-controls { display: flex; gap: 15px; align-items: center; }
.theme-toggle, .mobile-search-btn { background: transparent; border: none; font-size: 22px; color: var(--text-primary); cursor: pointer; }
.theme-toggle:hover, .mobile-search-btn:hover { color: var(--accent-color); }
.mobile-search-btn { display: none; } /* Hidden on Desktop */

/* Stylish Mobile Menu Toggle Button */
.mobile-toggle-btn {
    display: none; width: 40px; height: 40px; background: var(--bg-main); border: 1px solid var(--border-glass);
    border-radius: 12px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer;
}
.mobile-toggle-btn span { width: 20px; height: 2px; background: var(--text-primary); border-radius: 5px; transition: 0.3s; }

/* --- Sub Navbar (Sticky) --- */
.sub-nav-wrapper { position: sticky; top: 95px; z-index: 999; padding: 0 20px; }
.sub-navbar {
    background: var(--bg-subnav); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass); border-radius: 20px; max-width: 1200px; margin: 10px auto 0;
}
.nav-links { display: flex; justify-content: center; gap: 40px; }
.nav-links > li > a { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; font-weight: 600; }
.nav-links > li > a:hover { color: var(--accent-color); }

/* --- Desktop Dropdown --- */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: 100%; left: 0; background: var(--bg-main); border: 1px solid var(--border-glass);
    min-width: 200px; border-radius: 10px; opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all 0.3s ease; box-shadow: 0 10px 30px rgba(0,0,0,0.1); padding: 10px 0; z-index: 100;
}
/* Desktop hover logic */
@media (min-width: 769px) {
    .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
}
.dropdown-menu li a { display: block; padding: 10px 20px; }
.dropdown-menu li a:hover { background: var(--accent-color); color: white; }

/* --- Footer & Content --- */
.content { max-width: 1200px; margin: 80px auto; padding: 20px; text-align: center; }
.main-footer { background-color: var(--footer-bg); color: var(--footer-text); padding: 60px 20px 20px; border-top: 1px solid var(--border-glass); }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
.footer-col h3 { color: var(--footer-heading); margin-bottom: 20px; font-size: 18px; position: relative; padding-bottom: 10px; }
.footer-col h3::after { content: ''; position: absolute; left: 0; bottom: 0; width: 50px; height: 2px; background: var(--accent-color); }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a:hover { color: var(--accent-color); padding-left: 5px; }
.contact-info li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-bottom { text-align: center; padding-top: 30px; margin-top: 40px; border-top: 1px solid var(--border-glass); }
.animated-copyright {
    font-weight: bold; font-size: 16px; background: linear-gradient(90deg, #ff007f, #7928ca, #007bff, #00d2ff, #ff007f);
    background-size: 300%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: gradientFlow 5s ease-in-out infinite;
}
@keyframes gradientFlow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* =========================================
   MOBILE RESPONSIVENESS (The Magic Happens Here)
   ========================================= */
@media (max-width: 768px) {
    .mobile-toggle-btn { display: flex; }
    .mobile-search-btn { display: block; } /* Show search toggle icon */

    /* Mobile Search Bar Toggle Dropdown */
    .search-container {
        position: absolute; top: 85px; left: 20px; right: 20px; width: auto;
        background: var(--bg-subnav); backdrop-filter: blur(20px); border: 1px solid var(--border-glass);
        border-radius: 20px; padding: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        display: none; opacity: 0; transform: translateY(-10px); transition: all 0.3s ease;
    }
    .search-container.active { display: block; opacity: 1; transform: translateY(0); }
    .search-container form { width: 100%; border: 1px solid var(--border-glass); }

    /* Sleek Mobile Navbar */
    .sub-nav-wrapper { padding: 0 20px; top: 90px; }
    .sub-navbar {
        display: none; flex-direction: column; border-radius: 20px; padding: 10px 0;
        background: var(--bg-subnav); box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    .sub-navbar.active { display: flex; animation: slideDown 0.3s ease; }
    @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

    .nav-links { flex-direction: column; gap: 0; }
    .nav-links > li > a { border-bottom: 1px solid var(--border-glass); padding: 15px 20px; }

    /* Mobile Dropdown Logic */
    .dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
        display: none; /* JS will toggle this */
        padding-left: 20px; background: rgba(0,0,0,0.02); border: none; border-bottom: 1px solid var(--border-glass);
        border-radius: 0;
    }
    [data-theme="dark"] .dropdown-menu { background: rgba(255,255,255,0.02); }
    
    /* Open class added by JS */
    .dropdown.open .dropdown-menu { display: block; animation: fadeIn 0.3s ease; }
    .dropdown.open > a i { transform: rotate(180deg); } /* Rotates arrow */
    
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

    /* Mobile Menu Icon Animation */
    .mobile-toggle-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-toggle-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-toggle-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}






/* Part 3 main css - box contianer css */
 
        /* =========================================  
           ADVANCED CSS VARIABLES & THEME LOGIC  
        ========================================= */  
        :root {  
            --bg-color: #f4f7f6;  
            --text-color: #2d3436;  
            --card-bg: #ffffff;  
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);  
            --border-color: #e1e8ed;  
            --gradient-1: linear-gradient(135deg, #6e8efb, #a777e3);  
            --gradient-2: linear-gradient(135deg, #ff9a9e, #fecfef);  
            --gradient-3: linear-gradient(135deg, #43e97b, #38f9d7);  
            --gradient-4: linear-gradient(135deg, #fa709a, #fee140);  
            --chip-bg: #f0f2f5;  
            --chip-text: #555;  
            --hover-transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);  
        }  [data-theme="dark"] {  
        --bg-color: #0f172a;  
        --text-color: #f1f5f9;  
        --card-bg: #1e293b;  
        --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);  
        --border-color: #334155;  
        --gradient-1: linear-gradient(135deg, #4f46e5, #7c3aed);  
        --gradient-2: linear-gradient(135deg, #e11d48, #fb7185);  
        --gradient-3: linear-gradient(135deg, #059669, #34d399);  
        --gradient-4: linear-gradient(135deg, #d97706, #fbbf24);  
        --chip-bg: #334155;  
        --chip-text: #cbd5e1;  
    }  

    /* =========================================  
       GLOBAL RESET & TYPOGRAPHY  
    ========================================= */  
    * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }  
    body { background-color: var(--bg-color); color: var(--text-color); transition: background-color 0.5s ease, color 0.5s ease; overflow-x: hidden; }  
    a { text-decoration: none; color: inherit; }  
    ul { list-style: none; }  

    /* =========================================  
       HEADER & DARK MODE TOGGLE  
    ========================================= */  
   
    .theme-toggle {  
        background: var(--chip-bg); border: none; padding: 10px 15px; border-radius: 50px;  
        cursor: pointer; color: var(--text-color); font-size: 18px; transition: var(--hover-transition);  
    }  
    .theme-toggle:hover { transform: scale(1.1); }  

    /* =========================================  
       HERO SECTION WITH KEYFRAME ANIMATION  
    ========================================= */  
    .hero { text-align: center; padding: 60px 20px; }  
    .hero h1 { font-size: 3.5rem; margin-bottom: 15px; animation: slideDown 1s ease forwards; opacity: 0; }  
    .hero p { font-size: 1.2rem; color: var(--chip-text); animation: slideUp 1s ease 0.3s forwards; opacity: 0; }  

    /* =========================================  
       MAIN LAYOUT & GRID SYSTEM  
    ========================================= */  
    .container { max-width: 1300px; margin: 0 auto; padding: 20px; }  
    .section-title { font-size: 2rem; margin: 40px 0 20px; padding-bottom: 10px; border-bottom: 2px solid var(--border-color); display: flex; align-items: center; gap: 10px; }  
      
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }  

    /* =========================================  
       MODERN CARDS (UI/UX)  
    ========================================= */  
    .card {  
        background: var(--card-bg); border-radius: 20px; padding: 25px;  
        box-shadow: var(--card-shadow); border: 1px solid var(--border-color);  
        transition: var(--hover-transition); position: relative; overflow: hidden;  
        opacity: 0; transform: translateY(30px);  
    }  
    .card.show { animation: fadeUp 0.8s ease forwards; }  
    .card:hover { transform: translateY(-10px) scale(1.02); border-color: transparent; }  
      
    /* Gradient Top Border Effect */  
    .card::before {  
        content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px;  
        background: var(--gradient-1); transition: height 0.3s ease;  
    }  
    .card:nth-child(2)::before { background: var(--gradient-2); }  
    .card:nth-child(3)::before { background: var(--gradient-3); }  
    .card:nth-child(4)::before { background: var(--gradient-4); }  
      
    .card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }  
    .card-title { font-size: 1.5rem; font-weight: 600; }  
      
    /* =========================================  
       CHIPS / TAGS (For Mediums & Links)  
    ========================================= */  
    .chip-group { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 15px; }  
    .chip {  
        background: var(--chip-bg); color: var(--chip-text); padding: 5px 12px;  
        border-radius: 20px; font-size: 0.85rem; font-weight: 600; text-transform: uppercase;  
    }  
    .chip.gu { border-left: 3px solid #ff9a9e; }  
    .chip.hi { border-left: 3px solid #a777e3; }  
    .chip.en { border-left: 3px solid #38f9d7; }  

    .links-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }  
    .link-item {  
        background: var(--bg-color); padding: 10px; border-radius: 8px; font-size: 0.9rem;  
        display: flex; align-items: center; gap: 8px; transition: var(--hover-transition);  
        border: 1px solid var(--border-color);  
    }  
    .link-item:hover { background: var(--gradient-1); color: white; transform: translateX(5px); }  

    /* =========================================  
       KEYFRAME ANIMATIONS  
    ========================================= */ 
     
    @keyframes slideDown { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }  
    @keyframes slideUp { from { transform: translateY(50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }  
    @keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }  
    @keyframes pulseGlow { 0% { text-shadow: 0 0 10px rgba(110, 142, 251, 0.2); } 100% { text-shadow: 0 0 20px rgba(110, 142, 251, 0.6); } }  

    
    /* Additional css of selecting various fiepd links guj. hindi eng. */
    /* Chips ko clickable dikhane ke liye aur smooth animation ke liye */
.chip {
    cursor: pointer;
    opacity: 0.6; 
    transition: all 0.3s ease;
}

.chip.active-chip {
    opacity: 1;
    font-weight: bold;
    border-bottom: 2px solid #a777e3; 
}






/* Part 4 */