* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  .hero {
    height: 100vh;
    background: url("../assets/hero.jpg") center/contain no-repeat;
    position: relative;
    background-size: cover;
    margin-bottom: 5%;
    font-family: "Poppins", sans-serif;
  }
  
  /* 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: 1%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 10px 30px;
    background: rgba(255,255,255,0.75);
    border-radius: 10px;             /* 👈 rounded border */
    z-index: 1000;
    border: 1px solid rgb(131, 116, 116);
    font-family: "Poppins", sans-serif;

    transition: transform 0.3s ease-in-out;
  }
  
  .navbar.nav-hidden {
    transform: translate3d(0, -130%, 0);
  }
  

  .border-menu {
    border: 2px solid rgb(26, 80, 226); /* or left/right/top */
    border-radius: 50px;
    padding: 0.5%;
    text-align: center;
  }
  
  /* end new */
  .logo {
    height: 25px;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
    text-align: center;
    font-size: 90%;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #000;
  }
  
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
  }

  .hero-overlay {
    display: none;
  }
  .titre {
    display: none;
  }
  .divider {
    display: none;
  }
  .sous-titre {
    display: none;
  }

  /* EVENT OVERLAY */
  .hero-overlay {
    /* position: absolute; */
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 30px;
    display: flex;
    font-family: "Chonburi", serif;
    color: white;
    text-align: center;
  }

  .divider {
    width: 70%;
    height: 1px;
    background-color: #ccc;
    margin: 1rem auto;
  }

  /* 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: 50px;
    font-family: "Poppins", sans-serif;
  }
  
  /* PRESENTER */
  .milieu {
    margin-top: 5%;
  }

  .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: linear-gradient(to top, #000000, #a25a21, white);
  }
  
  .presenter-image img {
    width: 60%;      /* 👈 control size here */
    height: auto;
    /* object-fit: contain; */
    border-radius: 50%;
    object-fit: cover;
  }
/* 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 */
    font-family: "Poppins", sans-serif;
    /* commented to align differently 
    text-align: left;        /* 👈 right-align text */
    /*
    align-items: flex-start;    /* 👈 align content to the right */
  } 

  .presenter-text h4 {
    color:#bfbfbf
  }

  .presenter-text P{
    color:#0a0a0a
  }

  .presenter-text--right {
    text-align: right;
    align-items: flex-end;
  }

  .presenter-text--left {
    text-align: left;
    align-items: flex-start;
  }
  
  /* ABOUT */
  .about {
    padding: 100px 20px;
    text-align: center;
    width: 50%;
    font-family: "Poppins", sans-serif;
  }
  
  .about h1 {
    font-size: 48px;
    margin-bottom: 20px;
  }
  
  /* AGENDA */
  .agenda {
    padding: 5px 20px;
    font-family: "Poppins", sans-serif;
  }
  
  .agenda-row {
    display: flex;
    align-items: center;
    border: 2px solid #ccc;
    padding: 20px;
    margin-bottom: 20px;
    transition: border-color 0.3s;
    border-radius: 10px; 
  }
  
  .agenda-row:hover {
    border-color: #ff0000;
    border-radius: 10px; 
  }
  
  .agenda-date {
    width: 120px;
    display: flex;
    gap: 10px;
    align-items: center;
    margin-right: 5%;
  }
  
  .agenda-content {
    flex: 1;
  }
  
  .agenda-link {
    font-size: 28px;
    color: red;
  }
  
  /* RESPONSIVE */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background: rgb(200 100 49);
      position: absolute;
      top: 70px;
      right: 20px;
      padding: 20px;
      border: 1px solid #fff;
    }

    .nav-links.show {
      display: flex;
    }

    .nav-toggle {
      display: block;
    }

    .hero-overlay {
      display: block;
      position: absolute;
    }

    .titre {
      display: block;
    }

    .divider {
      display: block;
    }

    .sous-titre {
      display: block;
    }
  
    .presenter
     {
      flex-direction: column;
    }
  
    .presenter-image,
    .presenter-text {
      width: 100%;
    }
    /* new */
    .presenter-text--right {
      text-align: right;
      align-items: flex-end;
    }

    .presenter-text--left {
      text-align: left;
      align-items: flex-start;
    }
    .agenda-row {
      max-width: 100%;
    }
    /* commented
    .presenter-text--right,
    .presenter-text--left {
      text-align: center;
      align-items: center;
    }
    */
    li {
      border-bottom: 1px solid white;
    }
    .about h1 {
      font-size: 30px;
    }
    .hero {
      margin-bottom: 5%;
      background-position: left;
    }
  }
  
  span {
    display: inline-block; /* or block */
    text-align: center;
  }

  section {
    width: 70%;
    margin: 0 auto; /* center on desktop */
  }
  
  @media (max-width: 768px) {
    section {
      width: 100%;
    }
    .about {
      width: 100%;
    }
    .presenter-image img {
      width: 80%;      /* 👈 control size here */
      padding: 5%;
    }
  }

  /* footer */
  .footer {
    background: #0f172a;
    color: #fff;
    padding: 24px 0;
  }
  
  .footer-content {
    width: 80%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .footer-links {
    list-style: none;
    display: flex;
    gap: 16px;
    padding: 0;
    margin: 0;
  }
  .footer-content p {
    color: #fff;
  }
  .footer-links a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
  }
  
  .footer-links a:hover {
    text-decoration: underline;
  }
  
  /* Mobile */
  @media (max-width: 768px) {
    .footer-content {
      width: 100%;
      padding: 0 16px;
      flex-direction: column;
      gap: 12px;
    }
  }

  .social-links {
    display: flex;
    gap: 16px;
  }
  
  .social-links a {
    color: white;
    font-size: 20px;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
  }
  
  .social-links a:hover {
    transform: scale(1.1);
    opacity: 0.8;
  }
  
  .btn {
    padding: 1%;
    border-radius: 30px;
  }
  
  hr {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, rgb(244, 192, 72), transparent);
    box-shadow: 0 0 8px rgb(244, 192, 72);
  }