* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body.dark {
    font-family: Arial, sans-serif;
    color: #fff;
    background-color: #000;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  body.light {
    font-family: Arial, sans-serif;
    color: #333;
    min-height: 100vh;
    
    background: url("HeredityBackground.jpg") center center/cover no-repeat;
    padding-top: 100px; 
  }
  header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    position: fixed;
    width: 100%;
    opacity: 100%;
    z-index: 10;
    top: 0;
  left: 0;
  }
  .logo {
    width: 170px;
    height: auto;
  }
  nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
  }
  nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    padding: 6px 8px;
    border-radius: 4px;
  }
  .waitlist-button {
    background-color: #fff;
    color: #333;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
  }
  .waitlist-button:hover {
    background-color: #ddd;
  }
  .hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
  }
  .hero.home-hero {
    background: url("HeredityBackground.jpg") center center/cover no-repeat;
  }
  .hero.waitlist-hero {
    background: url("Join\ Our\ Waitlist\ Hero.png") center center/cover no-repeat;
    padding-top: 80px;
  }
  .hero .hero-content {
    position: relative;
    max-width: 600px;
    margin: 80px auto;
    padding: 16px;
  }
  .hero.home-hero .hero-content h1 {
    font-size: 40px;
    margin-bottom: 16px;
    line-height: 1;
  }
  .hero.home-hero .hero-content p {
    font-size: 19px;
    margin-bottom: 32px;
  }
  .hero.waitlist-hero .hero-content h1 {
    font-size: 28px;
    margin-bottom: 16px;
  }
  .hero.waitlist-hero .hero-content p {
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.5;
  }
  .signup-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
  }
  .signup-form input[type="email"] {
    padding: 12px;
    border: none;
    border-radius: 4px;
    width: 250px;
    max-width: 100%;
  }
  .signup-form button {
    padding: 12px 16px;
    border: 1px solid #FFF;
    border-radius: 50px;
    color: #ffffff;
    font-weight: bold;
    cursor: pointer;
    background: #2B2E1C;
  }
  .content {
    max-width: 800px;
    margin: 120px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
  }
  .content {
    text-align: center; 
  }
  .content h1, .content h2 {
    margin-bottom: 20px;
  }
  .content p {
    margin-bottom: 16px;
    line-height: 1.6;
  }
  .timeline-item, .team-member {
    margin-bottom: 20px;
  }
  ul.tutorial-list {
    list-style: none;
    padding-left: 0;
  }
  ul.tutorial-list li {
    margin-bottom: 16px;
  }
  .post {
    margin-bottom: 40px;
  }
  .post h2 {
    margin-bottom: 8px;
  }
  .post .date {
    font-size: 0.9em;
    color: #777;
    margin-bottom: 12px;
  }
  .post p {
    margin-bottom: 12px;
    line-height: 1.6;
  }
  .social-icons {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    gap: 16px;
  }
  .social-icons img {
    width: 24px;
    height: 24px;
  }
.team {
  text-align: center;
  margin: 20px 0;
}

.team-member {
  text-align: center;
  margin: 20px;
}
.Family-Photo {
  display: block;
  margin: 10px auto;
  max-width: 200px; 
  width: 100%;
  height: auto;
  border-radius: 5px; 
}
.tutorial-section {
  display: none;
  margin-left: 20px;
  transition: all 0.3s ease-in-out;
}
.tutorial-list li {
  cursor: pointer;
  margin-bottom: 10px;
}
.tutorial-list li:hover {
  background-color: #f0f0f0;
}