in this codes (<!-- Hero Section -->
<section class="hero-container" aria-label="Welcome to Longeva" role="banner">
  <div class="hero-content">
    <!-- Subtitle -->
    <p class="hero-subtitle">Advanced Health Solutions</p>
    
    <!-- Horizontal Rule -->
    <hr class="hero-hr" aria-hidden="true">
    
    <!-- Divider Line -->
    <div class="divider" aria-hidden="true"></div>

    <!-- Main Title -->
    <h1 class="hero-title">
      We Care For You, One Cell at A Time
    </h1>

    <!-- Description -->
    <p class="hero-description">
      Luxury Concierge Medicine. <br>
      Discover personalized solutions to reverse chronic conditions and break free from disease and aging with Longeva.
    </p>
    
    <!-- Call to Action Button -->
    <a href="#scrollDown" class="hero-cta" aria-label="Scroll down to learn more about our services">
      Transform Your Future
      <span class="shimmer"></span>
    </a>
  </div>
  
  <!-- Decorative Particle Background -->
  <div class="particle-container" aria-hidden="true"></div>
</section>

<!-- Styles -->
<style>
  /* Global Styles within the Hero Section */
  :root {
    --c-gold: #D1C287;
    --c-white: #ffffff;
    --c-black: #000000;
    --c-gradient: linear-gradient(135deg, #4F3F02, #D1C287);
    --f-primary: 'Poppins', sans-serif;
    --f-secondary: 'Roboto', sans-serif;
    --s-border-radius: 8px;
    --transition-speed: 0.3s;
    --hr-color: var(--c-gold);
    --max-width: 1200px;
  }

  /* Hero Container */
  .hero-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    padding: 4rem 1rem;
    overflow: hidden;
  }

  /* Particle Background */
  .particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 0;
    pointer-events: none;
  }

  /* Particle Styles */
  .particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--c-gold);
    border-radius: 50%;
    opacity: 0.7;
    animation: moveParticle 10s linear infinite;
  }

  /* Generate Particles */
  .particle-container::before,
  .particle-container::after {
    content: '';
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: 50px 50px;
  }

  /* Example: Implementing Animated Particles */
  @keyframes moveParticle {
    from {
      transform: translateY(0) translateX(0);
      opacity: 0.7;
    }
    to {
      transform: translateY(-100vh) translateX(100px);
      opacity: 0;
    }
  }

  /* Interactive Icons */
  .interactive-icons {
    position: absolute;
    bottom: 10%;
    left: 5%;
    display: flex;
    gap: 2rem;
    z-index: 1;
    animation: slideIn 1s ease-out forwards;
  }

  .interactive-icons svg {
    width: 60px;
    height: 60px;
    fill: none;
    stroke: var(--c-gold);
  }

  .inner-cell {
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { r: 10; fill: var(--c-gold); }
    50% { r: 15; fill: var(--c-gold); }
  }

  @keyframes slideIn {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
  }

  /* Hero Content */
  .hero-content {
    position: relative;
    text-align: center;
    max-width: var(--max-width);
    margin: auto;
    z-index: 2;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
  }

  /* Subtitle */
  .hero-subtitle {
    color: var(--c-gold);
    font-family: var(--f-secondary);
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.7s;
  }

  /* Horizontal Rule */
  .hero-hr {
    border: none;
    height: 2px;
    background: var(--hr-color);
    width: 60px;
    margin: 0.5rem auto 1.5rem auto;
    opacity: 0;
    transform: scaleX(0);
    animation: growX 1s ease forwards;
    animation-delay: 0.85s;
  }

  /* Divider Line */
  .divider {
    width: 40px;
    height: 2px;
    background: var(--c-gold);
    margin: 0 auto 1.5rem auto;
    opacity: 0;
    transform: scaleX(0);
    animation: growX 1s ease forwards;
    animation-delay: 0.95s;
  }

  /* Main Title */
  .hero-title {
    font-family: var(--f-primary);
    font-size: 3rem;
    line-height: 1.2;
    color: var(--c-white);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.1s;
    font-weight: 700;
  }

  /* Description */
  .hero-description {
    font-family: var(--f-secondary);
    font-size: 1.1rem;
    color: var(--c-white);
    opacity: 0;
    margin-bottom: 2rem;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.3s;
    line-height: 1.6;
  }

  /* Call-to-Action Button */
  .hero-cta {
    position: relative;
    display: inline-block;
    background: var(--c-gradient);
    color: var(--c-white);
    padding: 0.8rem 2.5rem;
    font-family: var(--f-primary);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--s-border-radius);
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background 0.5s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: scale(0.9);
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
  }

  .hero-cta:hover,
  .hero-cta:focus {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    background: var(--c-gold);
    outline: none;
  }

  /* Shimmer Effect */
  .shimmer {
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    animation: shimmer 2s infinite;
  }

  @keyframes shimmer {
    0% {
      left: -75%;
    }
    100% {
      left: 125%;
    }
  }

  /* Fade In Animation */
  @keyframes fadeIn {
    to { opacity: 1; }
  }

  /* Fade In Up Animation */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Grow X Animation for Divider and HR */
  @keyframes growX {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }

  /* Responsive Design */
  @media (min-width: 768px) {
    .hero-title { font-size: 3.5rem; }
    .hero-description { font-size: 1.3rem; }
    .hero-hr {
      width: 80px;
      height: 3px;
      animation-delay: 0.85s;
    }
    .divider {
      width: 60px;
      height: 3px;
      animation-delay: 0.95s;
    }
    .hero-cta { padding: 0.8rem 3rem; font-size: 1.1rem; }
    .interactive-icons { bottom: 15%; left: 10%; }
    .interactive-icons svg { width: 80px; height: 80px; }
  }

  @media (min-width: 1024px) {
    .hero-title { font-size: 4rem; }
    .hero-description { font-size: 1.4rem; }
    .hero-hr {
      width: 100px;
      height: 3px;
      animation-delay: 0.85s;
    }
    .divider {
      width: 80px;
      height: 3px;
      animation-delay: 0.95s;
    }
    .hero-cta { padding: 0.9rem 3.5rem; font-size: 1.2rem; }
    .interactive-icons { bottom: 20%; left: 15%; }
    .interactive-icons svg { width: 100px; height: 100px; }
  }

  @media (max-width: 480px) {
    .hero-content {
      padding: 2rem 1rem;
    }
    .hero-title {
      font-size: 2.5rem;
    }
    .hero-description {
      font-size: 1rem;
    }
    .hero-cta {
      padding: 0.6rem 1.5rem;
      font-size: 0.9rem;
    }
    .hero-hr {
      width: 40px;
      height: 2px;
      animation-delay: 0.85s;
    }
    .divider {
      width: 30px;
      height: 2px;
      animation-delay: 0.95s;
    }
    .interactive-icons {
      display: none; /* Hide interactive icons on small screens */
    }
  }
</style>

<!-- Smooth Scroll Behavior and Interactive Particles -->
<script>
  document.addEventListener('DOMContentLoaded', () => {
    // Smooth scrolling for all internal links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
      anchor.addEventListener('click', function(e) {
        e.preventDefault();
        const target = document.querySelector(this.getAttribute('href'));
        if (target) {
          target.scrollIntoView({ behavior: 'smooth' });
          // Update URL hash without default jump
          history.pushState(null, null, this.getAttribute('href'));
        }
      });
    });

    // Keyboard accessibility for CTA button
    const ctaButton = document.querySelector('.hero-cta');
    ctaButton.addEventListener('keydown', (e) => {
      if (e.key === 'Enter' || e.key === ' ') {
        e.preventDefault();
        ctaButton.click();
      }
    });

    // Generate particles for particle background
    const particleContainer = document.querySelector('.particle-container');
    const particleCount = 20;

    for (let i = 0; i < particleCount; i++) {
      const particle = document.createElement('div');
      particle.classList.add('particle');
      // Randomize particle position and animation duration
      particle.style.left = `${Math.random() * 100}%`;
      particle.style.top = `${Math.random() * 100}%`;
      particle.style.animationDuration = `${5 + Math.random() * 10}s`;
      particleContainer.appendChild(particle);
    }
  });
</script>) please make hr line working and showing, and make the center and type full codes without head and html tags, just fix hr