* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        .content {
    padding-top: 130px; /* adjust if needed */
    text-align: center;
}


        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
            background: #0a0a0a;
            color: #fff;
        }

        /* Animated Background */
        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(45deg, #1a1a2e, #16213e, #0f3460);
            overflow: hidden;
        }

        .particle {
            position: absolute;
            border-radius: 50%;
            background: rgba(0, 255, 255, 0.3);
            animation: float 15s infinite ease-in-out;
        }

        .particle:nth-child(1) { width: 80px; height: 80px; left: 10%; animation-delay: 0s; }
        .particle:nth-child(2) { width: 60px; height: 60px; left: 30%; animation-delay: 2s; }
        .particle:nth-child(3) { width: 100px; height: 100px; left: 50%; animation-delay: 4s; }
        .particle:nth-child(4) { width: 70px; height: 70px; left: 70%; animation-delay: 6s; }
        .particle:nth-child(5) { width: 90px; height: 90px; left: 85%; animation-delay: 8s; }

        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
                opacity: 0.3;
            }
            50% {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0.8;
            }
        }

        /* Lightning effect */
        .lightning {
            position: absolute;
            width: 2px;
            height: 100px;
            background: linear-gradient(to bottom, transparent, #00ffff, transparent);
            animation: lightning 3s infinite;
            opacity: 0;
        }

        @keyframes lightning {
            0%, 100% { opacity: 0; }
            50% { opacity: 1; transform: translateY(100vh); }
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            padding: 20px 0;
            z-index: 1000;
            box-shadow: 0 5px 30px rgba(0, 255, 255, 0.2);
        }
        .go-btn {
    background: #ffcc00;
    color: black;
    font-weight: 700;
    font-size: 20px;
    padding: 15px 35px;
    border-radius: 10px;
    text-decoration: none;
}
        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, #00ffff, #0080ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 40px;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-links a:hover {
            color: #00ffff;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00ffff, #0080ff);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 20px;
            position: relative;
        }

        .hero-content {
            z-index: 2;
            animation: fadeInUp 1s ease;
        }

        .hero h1 {
            font-size: 72px;
            font-weight: 800;
            background: linear-gradient(135deg, #00ffff, #0080ff, #00ffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            text-shadow: 0 0 50px rgba(0, 255, 255, 0.5);
            animation: glow 2s ease-in-out infinite;
        }

        @keyframes glow {
            0%, 100% { filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.5)); }
            50% { filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.8)); }
        }

        .hero p {
            font-size: 24px;
            margin-bottom: 40px;
            color: #00ffff;
            opacity: 0.9;
        }

        .cta-button {
            padding: 18px 50px;
            font-size: 18px;
            font-weight: 600;
            background: linear-gradient(135deg, #00ffff, #0080ff);
            color: #000;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
            position: relative;
            overflow: hidden;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .cta-button:hover::before {
            width: 300px;
            height: 300px;
        }

        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 50px rgba(0, 255, 255, 0.6);
        }

        /* Sections */
        .section {
            padding: 100px 20px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 48px;
            text-align: center;
            margin-bottom: 60px;
            background: linear-gradient(135deg, #00ffff, #0080ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 255, 255, 0.2);
            border-radius: 20px;
            padding: 40px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(0, 255, 255, 0.1), transparent);
            transform: rotate(45deg);
            transition: all 0.6s ease;
        }

        .card:hover::before {
            left: 100%;
        }

        .card:hover {
            transform: translateY(-10px);
            border-color: rgba(0, 255, 255, 0.6);
            box-shadow: 0 20px 60px rgba(0, 255, 255, 0.3);
        }

        .card-icon {
            font-size: 60px;
            margin-bottom: 20px;
            filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
        }

        .card h3 {
            font-size: 28px;
            margin-bottom: 15px;
            color: #00ffff;
        }

        .card p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        /* Features Section */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .feature {
            background: rgba(0, 255, 255, 0.05);
            padding: 30px;
            border-radius: 15px;
            border-left: 4px solid #00ffff;
            transition: all 0.3s ease;
        }

        .feature:hover {
            background: rgba(0, 255, 255, 0.1);
            transform: translateX(10px);
        }

        .feature h4 {
            color: #00ffff;
            font-size: 20px;
            margin-bottom: 10px;
        }

        /* Stats Section */
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
            margin: 80px 0;
        }

        .stat {
            padding: 30px;
            background: rgba(0, 255, 255, 0.05);
            border-radius: 15px;
            border: 1px solid rgba(0, 255, 255, 0.2);
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: #00ffff;
            margin-bottom: 10px;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Footer */
        footer {
            background: rgba(10, 10, 10, 0.95);
            padding: 60px 20px 20px;
            border-top: 1px solid rgba(0, 255, 255, 0.2);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .footer-col h3 {
            color: #00ffff;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-col a:hover {
            color: #00ffff;
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 42px;
            }
            
            .nav-links {
                gap: 20px;
                font-size: 14px;
            }
            
            .section-title {
                font-size: 32px;
            }
        }

        /* ===== TOPIC LIST ===== */

.topic-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

/* Row */
.topic-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;

    background: #1b2552;
    padding: 14px 18px;
    margin-bottom: 14px;
    border-radius: 10px;

    transition: background 0.25s ease, transform 0.25s ease;
}

/* Hover row */
.topic-list li:hover {
    background: #24307a;
    transform: translateX(8px);
}

/* LEFT LINK — topic title (first <a>) */
.topic-list li a:first-child {
    color: #ffd24d;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;

    max-width: 75%;
    white-space: normal;
}

.topic-list li a:first-child:hover {
    text-decoration: underline;
}

/* RIGHT BUTTON */
.test-btn {
    background: #0b66b2;
    color: #ffffff;
    padding: 7px 14px;
    border-radius: 6px;

    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;

    transition: background 0.2s ease;
}

.test-btn:hover {
    background: #094f88;
}

/* MOBILE FIX */
@media (max-width: 768px) {
    .topic-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .topic-list li a:first-child {
        max-width: 100%;
    }
}

.test-btn {
    background: linear-gradient(135deg, #0b66b2, #0094ff);
    color: white;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.test-btn:hover {
    opacity: 0.9;
}