* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  
  .hero {
    height: 100vh;
    background: url("../assets/hero.jpg") center/contain no-repeat;
    position: relative;
    background-size: cover;
  }
  
  /* NAVBAR */
  /* old
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(255,255,255,0.7);
  }
  */
  /* new */
  .navbar {
    position: fixed;                 /* 👈 stays visible on scroll */
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 40px;
  
    padding: 15px 30px;
    background: rgba(255,255,255,0.75);
    border-radius: 50px;             /* 👈 rounded border */
    z-index: 1000;
    border: 1px solid rgb(131, 116, 116);
  }
  
  /* end new */
  .logo {
    height: 25px;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #000;
  }
  
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
  }
  
  /* EVENT OVERLAY */
  .event-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.7);
    border: 1px solid white;
    padding: 15px 30px;
    display: flex;
    gap: 30px;
    border-radius: 20px;
  }
  
  /* PRESENTER */
  .presenter {
    display: flex;
    min-height: 50vh;
  }
  
  .presenter--reverse {
    flex-direction: row-reverse;   /* 👈 flip image & text */
  }
  
  
  /* old
  .presenter-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  */
/* new */
  .presenter-image {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: lightgray;
  }
  
  .presenter-image img {
    width: 60%;      /* 👈 control size here */
    height: auto;
    object-fit: contain;
  }
/* end new */
  .presenter-image,
  .presenter-text {
    width: 50%;
  }
  
  /* old
  .presenter-text {
    padding: 60px;
  }
  */
  .presenter-text {
    width: 50%;
    padding: 60px;
  
    display: flex;
    flex-direction: column;
    justify-content: center;   /* 👈 vertical centering */
    text-align: right;        /* 👈 right-align text */
    align-items: flex-end;    /* 👈 align content to the right */
  }  

  .presenter--reverse .presenter-text {
    text-align: left;
    align-items: flex-start;
  }
  
  
  /* ABOUT */
  .about {
    padding: 100px 20px;
    text-align: center;
  }
  
  .about h1 {
    font-size: 48px;
    margin-bottom: 20px;
  }
  
  /* AGENDA */
  .agenda {
    padding: 5px 20px;
  }
  
  .agenda-row {
    display: flex;
    align-items: center;
    border: 2px solid #ccc;
    padding: 20px;
    margin-bottom: 20px;
    transition: border-color 0.3s;
    border-radius: 20px; 
  }
  
  .agenda-row:hover {
    border-color: #ff0000;
    border-radius: 20px; 
  }
  
  .agenda-date {
    width: 120px;
    display: flex;
    gap: 10px;
    align-items: center;
  }
  
  .agenda-content {
    flex: 1;
  }
  
  .agenda-link {
    font-size: 28px;
    color: red;
  }
  
  /* RESPONSIVE */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background: rgba(255,255,255,0.9);
      position: absolute;
      top: 70px;
      right: 20px;
      padding: 20px;
    }
  
    .nav-toggle {
      display: block;
    }
  
    .presenter,
    .presenter--reverse /* new */
     {
      flex-direction: column;
    }
  
    .presenter-image,
    .presenter-text {
      width: 100%;
    }
    /* new */
    .presenter-text {
      text-align: center;
      align-items: center;
    }
  }