:root {
            /* Dark Theme (Default) */
            --primary-dark: #0a0e2b;
            --primary-blue: #7c3aed;
            --primary-light: #38bdf8;
            --accent-gold: #eab308;
            --accent-magenta: #d946ef;
            --text-light: #e2e8f0;
            --text-muted: #94a3b8;
            --glow-shadow: 0 0 15px rgba(124, 58, 237, 0.5);
            --background-gradient: linear-gradient(180deg, #0a0e2b, #1e1b4b);
            --card-bg: rgba(30, 27, 75, 0.9);
            --card-hover-bg: rgba(49, 46, 129, 0.95);
        }

        [data-theme="light"] {
            /* Light Theme */
            --primary-dark: #f8fafc;
            --primary-blue: #6d28d9;
            --primary-light: #0ea5e9;
            --accent-gold: #ca8a04;
            --accent-magenta: #c026d3;
            --text-light: #1f2937;
            --text-muted: #4b5563;
            --glow-shadow: 0 0 15px rgba(109, 40, 217, 0.3);
            --background-gradient: linear-gradient(180deg, #f8fafc, #e2e8f0);
            --card-bg: rgba(255, 255, 255, 0.9);
            --card-hover-bg: rgba(243, 244, 246, 0.95);
        }

        body {
            font-family: 'Roboto', sans-serif;
            background: var(--background-gradient);
            color: var(--text-light);
            scroll-behavior: smooth;
            overflow-x: hidden;
            transition: background 0.3s ease, color 0.3s ease;
        }

        /* Glassmorphism */
        .glass {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            box-shadow: var(--glow-shadow);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .glass:hover {
            box-shadow: 0 0 25px rgba(124, 58, 237, 0.7);
        }

        /* Animations */
        .fade-in {
            animation: fadeIn 1.5s ease-in-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .pulse {
            animation: pulse 2s infinite ease-in-out;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.02); }
        }

        /* Button Styling */
        .btn-primary {
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
            border-radius: 10px;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            box-shadow: var(--glow-shadow);
            color: var(--text-light);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(124, 58, 237, 0.8);
            background: linear-gradient(90deg, var(--primary-light), var(--primary-blue));
        }

        .btn-secondary {
            background: linear-gradient(90deg, var(--accent-gold), #facc15);
            color: var(--primary-dark);
            border-radius: 10px;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            box-shadow: 0 0 15px rgba(234, 179, 8, 0.5);
        }

        .btn-secondary:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(234, 179, 8, 0.8);
            background: linear-gradient(90deg, #facc15, var(--accent-gold));
        }

        /* Card Styling */
        .card {
            background: var(--card-bg);
            border-radius: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            box-shadow: var(--glow-shadow);
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(124, 58, 237, 0.7);
            background: var(--card-hover-bg);
        }

        /* Slider */
        .slider-container {
            display: flex;
            animation: slide 18s linear infinite;
        }

        .slider img {
            width: 100%;
            max-width: 300px;
            height: auto;
            aspect-ratio: 3/2;
            object-fit: cover;
            margin-right: 20px;
            border-radius: 12px;
            flex-shrink: 0;
            border: 3px solid var(--accent-magenta);
            box-shadow: 0 0 15px rgba(217, 70, 239, 0.5);
            transition: transform 0.3s ease;
        }

        .slider img:hover {
            transform: scale(1.05);
        }

        @keyframes slide {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--primary-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary-blue);
            border-radius: 8px;
            border: 2px solid var(--primary-dark);
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-magenta);
        }

        /* Section Styling */
        section {
            background: var(--background-gradient);
            padding: 2rem 0;
            position: relative;
        }

        section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(124, 58, 237, 0.2), transparent);
            z-index: 0;
        }

        section > * {
            position: relative;
            z-index: 1;
        }

        /* Typography Enhancements */
        h1, h2, h3 {
            text-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            cursor: pointer;
        }

        .hamburger div {
            width: 25px;
            height: 3px;
            background: var(--text-light);
            margin: 5px 0;
            transition: all 0.3s ease;
        }

        .nav-menu {
            transition: all 0.3s ease;
        }

        /* Theme Toggle Button */
        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .theme-toggle:hover {
            color: var(--accent-magenta);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }

            .nav-menu {
                display: none;
                justify-content: center;
                flex-direction: row;
                width: 100%;
                position: absolute;
                top: 100%;
                left: 0;
                background: var(--card-bg);
                backdrop-filter: blur(10px);
                padding: 1rem;
                border-radius: 0 0 12px 12px;
                box-shadow: var(--glow-shadow);
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-menu a {
                margin: 0.5rem 0;
                font-size: 0.8rem;
            }

            .slider img {
                max-width: 200px;
            }

            .text-5xl { font-size: 2rem; }
            .text-4xl { font-size: 1.75rem; }
            .text-3xl { font-size: 1.5rem; }
            .text-2xl { font-size: 1.25rem; }
            .btn-primary, .btn-secondary {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 1rem;
            }

            /* Adjust Hero Section for mobile */
            .hero-section {
                padding-top: 3rem; /* Increased padding to move content down */
            }

            .hero-section h2 {
                margin-top: 2rem; /* Additional margin to push heading lower */
            }

            /* Two Plans Side by Side (30 Days Left, 60 Days Right) */
            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.5rem;
                max-width: 100%;
                padding: 0 0.5rem;
            }

            .card.plan-card {
                padding: 0.5rem;
                border-radius: 10px;
                max-width: 160px;
                margin: 0 auto;
            }

            .card.plan-card h3 {
                font-size: 0.85rem;
                margin-bottom: 0.4rem;
                line-height: 1.2;
            }

            .card.plan-card p.text-2xl {
                font-size: 0.9rem;
                margin-bottom: 0.4rem;
            }

            .card.plan-card ul {
                font-size: 0.6rem;
                margin-bottom: 0.5rem;
                line-height: 1.1;
            }

            .card.plan-card ul li {
                display: flex;
                align-items: flex-start;
            }

            .card.plan-card .btn-primary {
                padding: 0.3rem 0.6rem;
                font-size: 0.65rem;
            }

            .card.plan-card .fa-arrow-right {
                font-size: 0.65rem;
            }

            /* 30 Days and 60 Days side by side, 90 Days below and stretched */
            .card.plan-card:nth-child(1) {
                grid-column: 1 / 2;
            }

            .card.plan-card:nth-child(2) {
                grid-column: 2 / 3;
            }

            .card.plan-card:nth-child(3) {
                grid-column: 1 / -1;
                max-width: 100%;
                width: calc(100% - 1rem);
                margin: 0.5rem auto;
                padding: 0.75rem;
            }

            .card.plan-card:nth-child(3) h3 {
                font-size: 1rem;
                margin-bottom: 0.5rem;
            }

            .card.plan-card:nth-child(3) p.text-2xl {
                font-size: 1.1rem;
                margin-bottom: 0.5rem;
            }

            .card.plan-card:nth-child(3) ul {
                font-size: 0.7rem;
                margin-bottom: 0.75rem;
                line-height: 1.2;
            }

            .card.plan-card:nth-child(3) .btn-primary {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }

            .card.plan-card:nth-child(3) .fa-arrow-right {
                font-size: 0.75rem;
            }
        }

        @media (max-width: 360px) {
            .slider img {
                max-width: 140px;
            }

            .text-5xl { font-size: 1.5rem; }
            .text-4xl { font-size: 1.25rem; }
            .text-3xl { font-size: 1.125rem; }
            .text-2xl { font-size: 1rem; }

            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.4rem;
                padding: 0 0.4rem;
            }

            .card.plan-card {
                padding: 0.4rem;
                max-width: 140px;
            }

            .card.plan-card h3 {
                font-size: 0.8rem;
            }

            .card.plan-card p.text-2xl {
                font-size: 0.85rem;
            }

            .card.plan-card ul {
                font-size: 0.55rem;
            }

            .card.plan-card .btn-primary {
                padding: 0.25rem 0.5rem;
                font-size: 0.6rem;
            }

            .card.plan-card .fa-arrow-right {
                font-size: 0.6rem;
            }

            .card.plan-card:nth-child(3) {
                max-width: 100%;
                width: calc(100% - 0.8rem);
                padding: 0.6rem;
            }

            .card.plan-card:nth-child(3) h3 {
                font-size: 0.9rem;
            }

            .card.plan-card:nth-child(3) p.text-2xl {
                font-size: 1rem;
            }

            .card.plan-card:nth-child(3) ul {
                font-size: 0.65rem;
            }

            .card.plan-card:nth-child(3) .btn-primary {
                padding: 0.35rem 0.7rem;
                font-size: 0.7rem;
            }

            .card.plan-card:nth-child(3) .fa-arrow-right {
                font-size: 0.7rem;
            }
        }

        @media (max-width: 768px) {
            .plans-grid .card.plan-card:nth-child(3) {
                grid-column: span 2 / span 2;
                justify-self: center;
                width: 95%;
                padding: 2rem;
            }
        }