ok, i want you to chnage this codes (<!-- Tailwind CSS and Font Awesome -->
<script src="https://cdn.tailwindcss.com"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" integrity="sha512-pZN8VdPGXzlPKhrJtEnEywbN/nXdv87mgzkzajtR5o8LUGqC/P0KWCwURoytGhBQXXNTmD3mW6K5lzNlfJitheg==" crossorigin="anonymous" referrerpolicy="no-referrer" />

<!-- Custom Styles -->
<style>
    @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

    :root {
        --c-gradient: linear-gradient(135deg, #D1C287, #4F3F02);
        --c-gray: #4a4a4a;
        --c-light-gray: #f5f5f5;
        --c-white: #ffffff;
        --c-text-light: #d9d9d9;
        --c-bg-primary: rgba(43, 43, 43, 0.5);
        --f-primary: 'Poppins', sans-serif;
        --s-border-radius: 12px;
        --transition-speed: 0.3s;
        --fade-in-duration: 0.6s;
    }

    body {
        font-family: var(--f-primary);
        color: var(--c-white);
        background-color: #0a0a0a;
    }

    .hero-title {
        font-size: 3rem;
        font-weight: 800;
        text-align: center;
        margin-bottom: 2rem;
        background: var(--c-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
        font-size: 1.5rem;
        font-weight: 600;
        color: #d9d9d9;
    }

    .hero-description {
        font-size: 1.125rem;
        margin-bottom: 1.5rem;
        color: #b0b0b0;
    }

    .cta-button {
        background: var(--c-gradient);
        color: #0a0a0a;
        border-radius: var(--s-border-radius);
        font-weight: 700;
        text-transform: uppercase;
        padding: 12px 24px;
        text-decoration: none;
        cursor: pointer;
        transition: all var(--transition-speed) ease;
    }

    .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(209, 194, 135, 0.4);
    }

    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeIn var(--fade-in-duration) forwards;
    }

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

    @media (max-width: 768px) {
        .hero-title {
            font-size: 2.5rem;
        }
    }
</style>
<!-- Tailwind CSS CDN -->
<script src="https://cdn.tailwindcss.com"></script>

<!-- Font Awesome for Icons -->
<link
  rel="stylesheet"
  href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"
  integrity="sha512-pZN8VdPGXzlPKhrJtEnEywbN/nXdv87mgzkzajtR5o8LUGqC/P0KWCwURoytGhBQXXNTmD3mW6K5lzNlfJitheg=="
  crossorigin="anonymous"
  referrerpolicy="no-referrer"
/>

<!-- Custom Styles -->
<style>
    @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');
    
    :root {
        --c-gradient: linear-gradient(135deg, #D1C287, #4F3F02);
        --c-gray: #4a4a4a;
        --c-light-gray: #f5f5f5;
        --c-white: #ffffff;
        --c-text-light: #d9d9d9;
        --c-bg-primary: rgba(43, 43, 43, 0.5); /* #2b2b2b with 0.5 opacity */
        --c-text-primary: #ffffff;
        --c-gold: #D1C287;
        --c-accent: #4F3F02;
        --f-primary: 'Poppins', sans-serif;
        --s-border-radius: 12px;
        --transition-speed: 0.3s;
        --container-max-width: 1200px;
        --fade-in-duration: 0.6s;
        --section-padding: 20px 0px; /* Added default padding */
    }

    body {
        font-family: var(--f-primary);
        color: var(--c-text-primary);
        background-color: #0a0a0a; /* Dark background for contrast */
    }

    /* Gradient Text */
    .golden-gradient {
        background: var(--c-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        color: transparent;
    }

    /* Card Styles */
    .card {
        background: rgba(209, 194, 135, 0.1);
        backdrop-filter: blur(10px);
        border-radius: var(--s-border-radius);
        border: 1px solid rgba(209, 194, 135, 0.3);
        transition: all var(--transition-speed) ease;
        position: relative;
        overflow: hidden;
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(209, 194, 135, 0.2);
    }

    /* Primary Button */
    .btn-primary {
        background: var(--c-gradient);
        color: #0a0a0a;
        transition: all var(--transition-speed) ease;
        border-radius: 4px;
        font-weight: 600;
        text-transform: uppercase;
        display: inline-block;
        text-align: center;
        text-decoration: none;
        cursor: pointer;
        padding: 12px 24px;
        margin-top: 1rem;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 6px rgba(209, 194, 135, 0.25);
    }

    /* Package Box Styles */
    .package-box {
        display: block;
        width: 100%;
        padding: 24px;
        background: var(--c-gradient);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        border-radius: var(--s-border-radius);
        text-decoration: none;
        color: var(--c-text-primary);
        font-family: var(--f-primary);
        position: relative;
        overflow: hidden;
        transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        margin: 1rem 0;
    }

    .package-box:hover {
        transform: translateY(-8px);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    }

    /* Background Overlay */
    .package-box::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--c-bg-primary);
        opacity: 0.3;
        z-index: 0;
        transition: opacity var(--transition-speed);
    }

    .package-box:hover::before {
        opacity: 0.1;
    }

    /* Header: Title and Icon */
    .package-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 16px;
        position: relative;
        z-index: 1;
    }

    .package-title {
        font-size: 1.625rem; /* 26px */
        font-weight: 700;
        color: var(--c-white);
        position: relative;
        z-index: 1;
    }

    .package-icon {
        width: 28px;
        height: 28px;
        transition: transform var(--transition-speed);
        filter: brightness(0) invert(1); /* Ensures the icon is visible on dark backgrounds */
        position: relative;
        z-index: 1;
    }

    .package-box:hover .package-icon {
        transform: rotate(45deg);
    }

    /* Description */
    .package-description {
        font-size: 1.25rem; /* 20px */
        font-weight: 600;
        position: relative;
        z-index: 1;
        color: var(--c-white);
        margin-bottom: 24px;
    }

    /* Decorative Elements */
    .package-box::after {
        content: "";
        position: absolute;
        top: -60px;
        right: -60px;
        width: 150px;
        height: 150px;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 50%;
        z-index: 0;
        transform: rotate(45deg);
        transition: background var(--transition-speed);
    }

    .package-box:hover::after {
        background: rgba(255, 255, 255, 0.25);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .package-box {
            padding: 20px;
        }

        .package-header {
            flex-direction: row;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .package-title {
            font-size: 1.375rem; /* 22px */
        }

        .package-description {
            font-size: 1.125rem; /* 18px */
            margin-bottom: 20px;
        }

        /* Ensuring the external link icon stays at the top-right on mobile */
        .package-header {
            position: relative;
        }

        .package-icon {
            position: absolute;
            top: 0;
            right: 0;
            transform: rotate(0);
        }

        .package-box:hover .package-icon {
            transform: rotate(0);
        }
    }

    @media (max-width: 480px) {
        .package-box {
            padding: 16px;
        }

        .package-title {
            font-size: 1.25rem; /* 20px */
        }

        .package-description {
            font-size: 1rem; /* 16px */
            margin-bottom: 16px;
        }
    }

    /* Additional Styling for Enhanced Visuals */
    .section-title {
        font-size: 3rem; /* 48px */
        font-weight: 700;
        text-align: center;
        margin-bottom: 2rem;
        background: var(--c-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        color: transparent;
    }

    .section-subtitle {
        font-size: 1.25rem;
        text-align: center;
        margin-bottom: 2rem;
        color: var(--c-gray);
    }

    .packages-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .btn-play-video {
        background: var(--c-accent);
        color: var(--c-white);
        padding: 12px 24px;
        border-radius: 4px;
        text-decoration: none;
        font-weight: 600;
        transition: background var(--transition-speed), transform var(--transition-speed);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-play-video:hover {
        background: var(--c-gold);
        transform: translateY(-2px);
        box-shadow: 0 4px 6px rgba(79, 63, 2, 0.3);
    }

    /* Animation on Scroll */
    .animate-fade-in {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeIn var(--fade-in-duration) forwards;
    }

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

    /* Icon Styles */
    .icon-feature {
        font-size: 2rem;
        color: var(--c-gold);
        margin-bottom: 1rem;
    }

    /* Responsive iframe */
    .responsive-iframe {
        position: relative;
        width: 100%;
        height: 800px; /* Adjust height as needed to fit the form without scroll */
        overflow: hidden;
        border-radius: var(--s-border-radius);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        margin-top: 1rem;
    }

    .responsive-iframe iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 0;
        border-radius: var(--s-border-radius);
    }

    /* Testimonials Section */
    .testimonial-card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: var(--s-border-radius);
        padding: 1.5rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
        margin: 1rem 0;
    }

    .testimonial-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .testimonial-text {
        font-size: 1rem;
        color: var(--c-light-gray);
        margin-bottom: 1rem;
    }

    .testimonial-author {
        font-size: 1.125rem;
        font-weight: 600;
        color: var(--c-gold);
    }
</style>

<main class="w-full my-5 px-4 sm:px-6 lg:px-8">
    <!-- Hero Section -->
    <section class="hero-section text-center py-20 fade-in">
        <h1 class="hero-title">
            Transform Your Health Journey
        </h1>
        <p class="hero-subtitle mb-4">
            Empowering Lives with Advanced Cellular Medicine
        </p>
        <p class="hero-description max-w-2xl mx-auto mb-8">
            Experience a new level of personalized care with Longeva. Our commitment is to enhance your vitality and well-being through innovative, research-driven approaches to health. Join us in discovering how to manage chronic conditions effectively and rejuvenate your life.
        </p>
        <a href="https://info.longevacare.com/appointment/public_appointment.php" class="cta-button text-lg hover:opacity-90 transition-opacity duration-300">
            Begin Your Transformation Today
        </a>
        <!-- Add a decorative element (optional) -->
        <div class="mt-8">
            <i class="fas fa-heartbeat fa-3x text-gray-500"></i>
        </div>
    </section>
</main>
) and first this section is part of landing page, this landing page is called begin your jounrey, so i want users when see it it takes action and change the content this part , mkae it clean codes, and add more codes to make it repssoivne desing and change the classes names different and make it for SEO great