/* CSS Reset and Variables */
        :root {
            --color-primary: #6b30e3; /* Indigo/Purple */
            --color-secondary: #1a1d23; /* Dark background */
            --color-card: #24272c;
            --color-text-light: #ffffff;
            --color-text-gray: #e5e7eb;
            --color-text-muted: #9ca3af;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        /* --- Keyframes & Animations --- */

        /* General Fade In on Load */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Erase and Reappear (Used for FAANG/Date) */
        @keyframes eraseReappear {
            0%, 100% { opacity: 1; filter: blur(0px); }
            40% { opacity: 0; filter: blur(4px); }
            60% { opacity: 0; filter: blur(4px); }
        }

        /* Pulse for Icons (Subtle effect) */
        @keyframes pulseGlow {
            0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(107, 48, 227, 0.4); }
            70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(107, 48, 227, 0); }
            100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(107, 48, 227, 0); }
        }
        
        /* Base Body and Layout */
        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--color-secondary);
            color: var(--color-text-light);
            min-height: 100vh;
            margin: 0;
            line-height: 1.6;
        }

        /* Initial Load Animations */
        header, main, footer {
            opacity: 0;
            animation: fadeIn 1s ease-out forwards;
        }
        header { animation-delay: 0.1s; }
        main { animation-delay: 0.3s; }
        footer { animation-delay: 0.5s; }
        
        /* Containers and Responsiveness */
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        /* Added display flex for header layout */
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        @media (min-width: 640px) {
            .container { padding-left: 1.5rem; padding-right: 1.5rem; }
        }
        @media (min-width: 1024px) {
            .container { padding-left: 2rem; padding-right: 2rem; }
        }
        
        /* General Utilities */
        .text-primary { color: var(--color-primary); }
        .bg-primary { background-color: var(--color-primary); }
        .bg-card { background-color: var(--color-card); }
        
        .rounded-full { border-radius: 9999px; }
        .rounded-xl { border-radius: 0.75rem; }
        .rounded-2xl { border-radius: 1rem; }
        .text-center { text-align: center; }
        .font-extrabold { font-weight: 800; }
        .font-black { font-weight: 900; }
        .font-bold { font-weight: 700; }
        .transition { transition: all 0.3s ease; }
        .mb-2rem { margin-bottom: 2rem; }

        .highlight {
            color: var(--color-primary);
            font-weight: 700;
        }
        
        /* Animated Text */
        .animated-faang {
            display: inline-block;
            color: var(--color-primary);
            animation: eraseReappear 3s infinite alternate;
        }
        
        /* Header specific styling */
        .header {
            position: sticky; /* Changed from fixed to sticky for smoother scroll on mobile */
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            padding-top: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #374151;
            background-color: var(--color-secondary);
            transition: box-shadow 0.3s ease;
        }
        .header-tagline {
            font-size: 0.75rem; /* Slightly smaller for mobile */
            font-weight: 500;
            color: var(--color-text-muted);
            margin-top: -0.5rem;
        }
        .header-cta {
            text-decoration: none;
            color: white;
            padding: 0.5rem 1rem; /* Adjusted padding for better mobile fit */
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: 9999px;
            opacity: 1;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(107, 48, 227, 0.5); /* Added shadow for pop */
        }
        .header-cta:hover {
            opacity: 0.95;
            transform: scale(1.05);
            box-shadow: 0 4px 20px rgba(107, 48, 227, 0.8);
        }

        /* Padding for Main Content to account for sticky header */
        main {
            padding-top: 2rem; 
        }
        
        /* Hero Section */
        .hero-section {
            padding-top: 3rem;
            padding-bottom: 4.5rem;
        }
        /* Adjusted Pre-Heading Placement for better flow */
        .hero-pre-heading {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }
        .hero-heading {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .hero-heading { font-size: 4.5rem; }
        }
        @media (min-width: 1024px) {
            .hero-heading { font-size: 6rem; }
        }
        .hero-subtitle {
            font-size: 1rem;
            color: var(--color-text-gray);
            max-width: 48rem;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 640px) {
             .hero-subtitle { font-size: 1.25rem; }
        }
        
        /* Main CTA Button */
        .main-cta {
            font-size: 1.25rem;
            font-weight: 700;
            padding: 1rem 3rem;
            border-radius: 0.75rem;
            display: inline-block;
            text-decoration: none;
            color: var(--color-text-light);
            transition: transform 0.2s, box-shadow 0.3s;
            box-shadow: 0 10px 15px -3px rgba(107, 48, 227, 0.5), 0 4px 6px -2px rgba(107, 48, 227, 0.5); 
        }
        .main-cta:hover {
            transform: scale(1.03) translateY(-2px);
            box-shadow: 0 10px 30px rgba(107, 48, 227, 0.7);
        }

        /* --- Updated Launch Date Container --- */
        .countdown-container {
            display: block; /* Changed from flex for single item centering */
            background-color: var(--color-card);
            padding: 1.5rem 2rem;
            border-radius: 1rem;
            border: 1px solid var(--color-primary);
            box-shadow: 0 0 25px rgba(107, 48, 227, 0.3);
            max-width: fit-content;
            margin: 0 auto 3rem auto;
            text-align: center;
        }
        .launch-date-text {
            /* padding-bottom:20px ; */
            margin-bottom:10px;
            font-size: 1.4rem;
            font-weight: 500;
            color: var(--color-text-gray);
            display: block;
        }
        .highlight-date-animated {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            display: inline-block;
            animation: eraseReappear 4s infinite alternate; /* Applied animation here */
        }
        @media (min-width: 640px) {
            .launch-date-text { font-size: 1.8rem; }
            .highlight-date-animated { font-size: 2.5rem; }
        }

        /* --- Section Cards (Responsiveness & 3D Hover) --- */
        .section-padding {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        .section-heading {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 3rem;
        }
        @media (min-width: 768px) {
            .section-heading { font-size: 3rem; }
        }

        .two-col-grid, .three-col-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .two-col-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
            .three-col-grid { grid-template-columns: repeat(3, 1fr); }
        }
        
        .course-card, .instructor-card, .support-card {
            padding: 2rem;
            border-radius: 0.75rem;
            background-color: var(--color-card);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        .course-card { border-top: 4px solid var(--color-primary); }
        .course-card ul { 
            list-style: none; 
            padding-left: 0; 
            margin-top: 1rem;
        }
        .course-card ul li {
            margin-bottom: 0.5rem;
            padding-left: 1.5rem;
            position: relative;
            color: var(--color-text-gray);
        }
        .course-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: 700;
        }

        .course-card:hover, .instructor-card:hover, .support-card:hover {
            transform: perspective(1000px) rotateX(1deg) rotateY(1deg) scale(1.02);
            box-shadow: 0 20px 40px rgba(107, 48, 227, 0.5);
            z-index: 10;
        }

        /* Registration Form Section (Highly Refined and Responsive) */
        .register-section {
            padding: 3rem 1.5rem; /* Reduced vertical padding slightly */
            text-align: center;
            background-color: var(--color-card);
            border-radius: 1rem;
            border: 1px solid var(--color-primary);
            margin-bottom: 4rem;
        }
        
        /* Registration Form Styling for Appeal and Responsiveness */
        .registration-form {
            display: flex;
            flex-direction: column; /* Stack vertically on mobile */
            gap: 1.5rem;
            max-width: 500px; /* Constrain form width */
            margin: 2rem auto 0 auto;
        }
        .registration-form input {
            padding: 1rem 1.25rem;
            border: 2px solid #374151;
            border-radius: 0.75rem;
            background-color: #1a1d23;
            color: var(--color-text-light);
            font-size: 1rem;
            width: 100%;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .registration-form input::placeholder {
            color: var(--color-text-muted);
        }
        .registration-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(107, 48, 227, 0.5);
        }
        .registration-form button {
            cursor: pointer;
            font-size: 1.25rem;
            padding: 1rem 2rem;
            border: none;
            border-radius: 0.75rem;
            font-weight: 700;
            text-decoration: none;
            color: var(--color-text-light);
            transition: transform 0.2s, box-shadow 0.3s;
            /* Inheriting glow-effect styles */
        }
        .registration-form button:hover {
            transform: scale(1.02);
        }

        /* Scarcity Notice (Marketing/Scarcity) */
        .scarcity-notice {
            color: #f87171; 
            font-weight: 700;
            font-size: 1rem; /* Adjusted for mobile */
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        @media (min-width: 640px) {
            .scarcity-notice { font-size: 1.125rem; }
        }
        
        /* Footer Specifics */
        .footer {
            margin-top: 50px;
            text-align: center;
            padding-top: 2rem;
            padding-bottom: 2rem;
            border-top: 1px solid #374151;
            color: #6b7280;
        }
        .contact-links a {
            color: #6b7280;
            margin: 0 10px;
            text-decoration: none;
            display: inline-block;
            transition: color 0.3s;
        }
        .contact-links a:hover {
            color: var(--color-primary);
        }

        img{
            border-radius: 10px;
        }