/* --- CSS VARIABLES & RESET --- */

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

        html {
            scroll-behavior: smooth;
        }

        /* --- UTILITIES --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            margin-left: 10px;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }

        h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px auto;
        }

        .section-padding {
            padding: 100px 0;
        }

        /* --- NAVIGATION --- */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 20px 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }

        nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary);
        }
        
        /* --- FOOTER --- */
        footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: white;
            margin-bottom: 20px;
        }

        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col a { color: #94a3b8; text-decoration: none; }
        .footer-col a:hover { color: white; }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        #tw:hover{
            color: #1C9CEA;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(79, 70, 229, 0.3);
        }
        #lin:hover{
            color:#0B63BD;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(79, 70, 229, 0.3);
        }
        #inst:hover{
            color: #E34173;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(79, 70, 229, 0.3);
        }
        /* --- ANIMATION CLASS --- */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        a{
            text-decoration: none;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .about-wrapper { flex-direction: column; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .price-card.featured { transform: scale(1); }
            nav .nav-links { display: none; } /* Simplified for mobile */
        }

        nav.sticky {
            background: rgba(255, 255, 255, 1);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            padding: 15px 0; 
        }

        #typewriter {
            border-right: 3px solid var(--primary);
            padding-right: 5px;
            animation: blink 0.7s infinite;
        }

        @keyframes blink {
            50% { border-color: transparent; }
        }
        /* --- RESPONSIVE NAVIGATION --- */

    /* New Button Style for Navbar */
    .btn-sm {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    .login-link {
        color: var(--primary); 
        font-weight: 700; 
        margin-right: 15px;
    }

    /* Hamburger Icon (Hidden on Desktop) */
    .hamburger {
        display: none;
        cursor: pointer;
    }

    .bar {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        transition: all 0.3s ease-in-out;
        background-color: var(--dark);
        border-radius: 3px;
    }

        .to-top{
            background: #0B63BD;
            position: fixed;
            bottom: 16px;
            right: 32px;
            width: 45px;
            height: 45px;
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: #ffffff;
            text-decoration: none;
            opacity: 0;
            pointer-events: none;
            transition: all .3s;
        }

        .to-top.active{
            bottom: 32px;
            pointer-events: auto;
            opacity: 1;
        }

    /* Mobile Styles */
    @media (max-width: 768px) {
        /* Show Hamburger */
        .hamburger {
            display: block;
        }

        /* Animate Hamburger to X when active */
        .hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger.active .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

    /* Mobile Menu Styling */
    .nav-links {
        position: fixed;
        left: -100%; /* Hidden off-screen by default */
        top: 70px; /* Below the navbar */
        gap: 0;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
        display: flex !important; /* Overrides previous 'display: none' */
    }

    /* Class added by JS to show menu */
    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 16px 0;
    }

    /* Stack buttons on mobile */
    .nav-btn-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 10px;
    }
    
    .login-link {
        margin-right: 0;
    }
}

    .featured-gradient-bg {
        width: 100%;
        height: 400px;
        background: linear-gradient(-45deg, #4f46e5, #3b82f6, #0ea5e9, #2dd4bf);
        background-size: 400% 400%;
        animation: gradientAnimation 10s ease infinite;
        border-radius: 20px;
        margin: 30px 0;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 20px 40px rgba(79, 70, 229, 0.2);
    }

    @keyframes gradientAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .overlay-text {
        text-align: center;
        color: white;
    }

    .overlay-text i {
        font-size: 4rem;
        margin-bottom: 15px;
        display: block;
        opacity: 0.8;
    }

    .overlay-text span {
        font-weight: 700;
        letter-spacing: 2px;
        text-transform: uppercase;
    }