make this codes (<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  
  <title>Your Journey at Longeva</title>
  
  <!-- Font Awesome CDN for Icons -->
  <link
    rel="stylesheet"
    href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"
    crossorigin="anonymous"
    referrerpolicy="no-referrer"
  />
  
  <!-- Styles -->
  <style>
    /* ====================================================
       Global Styles
    ===================================================== */
    :root {
      --journey-primary-color: #ffffff; /* White */
      --journey-accent-color: #D1C287; /* Gold Accent */
      --journey-accent-dark: #4F3F02; /* Dark Gold/Brown Accent */
      --journey-font-primary: 'Poppins', sans-serif;
      --journey-font-secondary: 'Roboto', sans-serif;
      --journey-border-radius: 8px;
      --journey-transition-speed: 0.3s;
      --journey-max-container-width: 1200px;
      --journey-background-color: #121212; /* Dark Background for Contrast */
      --journey-section-padding: 4rem 1rem;
      --journey-content-padding: 2rem;
      --journey-shadow-light: rgba(0, 0, 0, 0.1);
      --journey-shadow-dark: rgba(0, 0, 0, 0.2);
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--journey-background-color);
      font-family: var(--journey-font-primary);
      color: var(--journey-primary-color);
    }

    /* ====================================================
       Section: Your Journey at Longeva
       Unique Class Prefix: journey-
    ===================================================== */

    /* Container for the Your Journey Section */
    .journey-section {
      width: 100%;
      padding: var(--journey-section-padding);
      font-family: var(--journey-font-primary);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      max-width: var(--journey-max-container-width);
      margin: 0 auto;
      position: relative;
      color: var(--journey-primary-color);
    }

    /* Section Title */
    .journey-title {
      font-size: 2.8rem;
      color: var(--journey-accent-color);
      margin-bottom: 1rem;
      text-align: center;
      position: relative;
      display: inline-block;
      transition: color var(--journey-transition-speed);
    }

    /* Decorative Line Below Title */
    .journey-title::after {
      content: '';
      width: 70px;
      height: 4px;
      background: var(--journey-accent-color);
      display: block;
      margin: 0.5rem auto 0 auto;
      border-radius: var(--journey-border-radius);
      transition: width var(--journey-transition-speed), background var(--journey-transition-speed);
    }

    /* Hover Effect on Title Line */
    .journey-title:hover::after {
      width: 120px;
      background: linear-gradient(135deg, #4F3F02, #D1C287);
    }

    /* Horizontal Divider */
    .journey-divider {
      margin: 2rem 0;
      border: none;
      height: 2px;
      background: var(--journey-accent-color);
      width: 60px;
      border-radius: var(--journey-border-radius);
      transition: background var(--journey-transition-speed);
    }

    /* Hover Effect on Divider */
    .journey-divider:hover {
      background: linear-gradient(135deg, #4F3F02, #D1C287);
    }

    /* Timeline Container */
    .journey-timeline {
      position: relative;
      width: 100%;
      max-width: var(--journey-max-container-width);
      padding: 0 2rem;
    }

    /* Vertical Line */
    .journey-timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 4px;
      height: 100%;
      background: var(--journey-accent-color);
    }

    /* Journey Item */
    .journey-item {
      position: relative;
      width: 50%;
      padding: 1rem 2rem;
      box-sizing: border-box;
    }

    /* Left Side */
    .journey-item-left {
      left: 0;
      text-align: right;
    }

    /* Right Side */
    .journey-item-right {
      left: 50%;
      text-align: left;
    }

    /* Connector Arrow */
    .journey-item::after {
      content: '';
      position: absolute;
      top: 1.5rem;
      width: 0;
      height: 0;
      border: 10px solid transparent;
    }

    .journey-item-left::after {
      right: -20px;
      border-left-color: var(--journey-accent-color);
    }

    .journey-item-right::after {
      left: -20px;
      border-right-color: var(--journey-accent-color);
    }

    /* Journey Content Box */
    .journey-content {
      background: transparent;
      padding: 1.5rem;
      border-radius: var(--journey-border-radius);
      box-shadow: 0 4px 15px var(--journey-shadow-light);
      border: 2px solid var(--journey-accent-color);
      transition: transform var(--journey-transition-speed), box-shadow var(--journey-transition-speed), border-color var(--journey-transition-speed);
      position: relative;
      overflow: hidden;
    }

    /* Hover Effect on Journey Content */
    .journey-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--journey-shadow-dark);
      border-color: linear-gradient(135deg, #4F3F02, #D1C287);
    }

    /* Journey Icon */
    .journey-icon {
      font-size: 3rem;
      color: var(--journey-accent-color);
      margin-bottom: 1rem;
      transition: color var(--journey-transition-speed);
      position: relative;
      z-index: 1;
    }

    .journey-content:hover .journey-icon {
      color: #ffffff;
    }

    /* Journey Title */
    .journey-title-item {
      font-size: 1.75rem;
      color: var(--journey-primary-color);
      margin-bottom: 0.5rem;
      font-weight: 700;
      transition: color var(--journey-transition-speed);
    }

    /* Journey Description */
    .journey-description {
      font-size: 1rem;
      color: var(--journey-primary-color);
      line-height: 1.6;
    }


    /* Responsive Design */
    @media (max-width: 768px) {
      .journey-timeline::before {
        left: 8px;
      }

      .journey-item {
        width: 100%;
        padding-left: 3rem;
        padding-right: 1rem;
        text-align: left;
      }

      .journey-item-left,
      .journey-item-right {
        left: 0%;
      }

      .journey-item::after {
        left: 28px;
        border: 10px solid transparent;
        border-right-color: var(--journey-accent-color);
        top: 1.5rem;
      }
    }

    @media (min-width: 1024px) {
      .journey-title {
        font-size: 3.8rem;
      }

      .journey-title-item {
        font-size: 2.2rem;
      }

      .journey-description {
        font-size: 1.2rem;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .journey-title {
        font-size: 3.2rem;
      }

      .journey-title-item {
        font-size: 1.9rem;
      }

      .journey-description {
        font-size: 1.1rem;
      }
    }
  </style>
</head>
<body>
  
  <!-- Your Journey at Longeva Section -->
  <section class="journey-section" id="your-journey" aria-labelledby="your-journey-title">
    <h2 id="your-journey-title" class="journey-title">Your Journey at Longeva</h2>
    <hr class="journey-divider">

    <div class="journey-timeline">

      <!-- Subsection 1: Comprehensive Personal Consultation & Advanced Diagnostic Testing -->
      <div class="journey-item journey-item-left">
        <div class="journey-content">
          <i class="journey-icon fas fa-user-md" aria-hidden="true"></i>
          <h3 class="journey-title-item">Comprehensive Personal Consultation & Advanced Diagnostic Testing</h3>
          <p class="journey-description">
            In-depth personal consultation, home visits, telomere testing to evaluate cellular age.
          </p>
        </div>
      </div>

      <!-- Subsection 2: Targeted Interventions & Continuous Outcome Monitoring -->
      <div class="journey-item journey-item-right">
        <div class="journey-content">
          <i class="journey-icon fas fa-bolt" aria-hidden="true"></i>
          <h3 class="journey-title-item">Targeted Interventions & Continuous Outcome Monitoring</h3>
          <p class="journey-description">
            Personalized health strategies, home delivery by licensed professionals under DHA supervision.
          </p>
        </div>
      </div>

      <!-- Subsection 3: Enhanced Vitality & Progress Tracking -->
      <div class="journey-item journey-item-left">
        <div class="journey-content">
          <i class="journey-icon fas fa-heartbeat" aria-hidden="true"></i>
          <h3 class="journey-title-item">Enhanced Vitality & Progress Tracking</h3>
          <p class="journey-description">
            Follow-up assessments, repeat telomere testing to showcase health improvements.
          </p>
        </div>
      </div>

      <!-- Subsection 4: Ongoing Support & Maintenance -->
      <div class="journey-item journey-item-right">
        <div class="journey-content">
          <i class="journey-icon fas fa-life-ring" aria-hidden="true"></i>
          <h3 class="journey-title-item">Ongoing Support & Maintenance</h3>
          <p class="journey-description">
            Continuous support, follow-up consultations to sustain health advancements.
          </p>
        </div>
      </div>

    </div>
    

  </section>
  
</body>
</html>) repsoinve desing and i want in the mobile version only, change the desing and don't add lin verticle and make boxes expand and take screen and type ful cdoes