* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: #ffffff;
      color: #333;
      padding-top: 73px;
    }
    header {
      background: #0c2b66;
      color: white;
      padding: 20px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      transition: all 0.3s ease;
    }
    .logo-section {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .logo {
      width: 50px;
      height: 50px;
      background: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: #0c2b66;
      font-size: 1.2rem;
    }
    header h1 {
      margin: 0;
      font-size: 1.3rem;
      letter-spacing: 1px;
    }
    nav {
      display: flex;
      align-items: center;
      gap: 5px;
      padding-right: 15px;
    }
    nav li{
      list-style: none;
      width: 125px;
    }
    nav a {
      color: white;
      padding: 0 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      text-decoration: none;
      text-align: center;
      font-size: 1rem;
      font-weight: 500;
      border-radius: 6px;
      transition: all 0.3s ease;
      position: relative;
      height: 43px;
    }
    nav a:hover {
      background: rgba(255,255,255,0.1);
    }
    .dropdown {
      position: relative;
      display: inline-block;
    }
    .dropdown-toggle {
      color: white;
      text-decoration: none;
      padding: 12px 20px;
      font-size: 1rem;
      font-weight: 500;
      border-radius: 6px;
      transition: all 0.3s ease;
      cursor: pointer;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .dropdown-toggle:hover {
      background: rgba(255,255,255,0.1);
    }
    .dropdown-toggle::after {
      content: "▼";
      font-size: 0.7rem;
      transition: transform 0.3s ease;
    }
    .dropdown.active .dropdown-toggle::after {
      transform: rotate(180deg);
    }
    .dropdown-menu {
      position: absolute;
      top: 100%;
      background: #0c2b66;
      min-width: 200px;
      /* border-radius: 6px; */
      margin-top: 5px;
      /* box-shadow: 0 8px 20px rgba(0,0,0,0.3); */
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: all 0.3s ease;
      z-index: 1000;
    }
    .dropdown.active .dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .dropdown-menu a {
      display: block;
      width: 100%;
      text-align: left;
      padding: 12px 20px;
      color: white;
      text-decoration: none;
      border-radius: 0;
      transition: all 0.3s ease;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .dropdown-menu a:last-child {
      border-bottom: none;
    }
    .dropdown-menu a:hover {
      background: rgba(255,255,255,0.15);
      padding-left: 25px;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
      padding: 5px 10px;
    }
    @media (max-width: 900px) {
      header h1 {
        font-size: 1rem;
      }
      .logo {
        width: 40px;
        height: 40px;
        font-size: 1rem;
      }
      nav {
        position: fixed;
        top: 78px;
        left: 0;
        right: 0;
        background: #0c2b66;
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
        max-height: calc(100vh - 78px);
        overflow-y: auto;
      }
      nav li{
        width: 100%;
      }
      nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
      }
      nav a {
        padding: 15px;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        width: 100%;
      }
      .dropdown {
        width: 100%;
      }
      .dropdown-toggle {
        width: 100%;
        justify-content: center;
        padding: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }
      .dropdown-menu {
        position: relative;
        margin-top: 0;
        box-shadow: none;
        background: rgba(255,255,255,0.05);
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
      }
      .dropdown.active .dropdown-menu {
        max-height: 500px;
      }
      .dropdown-menu a {
        font-size: 0.95rem;
        text-align: center;
      }
      .dropdown-menu a:hover {
        padding-left: 35px;
      }
      .menu-toggle {
        display: block;
      }
    }
    .hero {
      height: 500px;
      background: url('https://media.licdn.com/dms/image/v2/C5612AQEncIYfz13tnA/article-cover_image-shrink_600_2000/article-cover_image-shrink_600_2000/0/1520199621457?e=2147483647&v=beta&t=3WrFyLlHECn6viHolCWyE1lCVrdxuBeyOP1kQ_zQat8') center/cover no-repeat;
      filter: blur(0px);
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: white;
      padding: 20px;
    }

    @media (max-width: 850px) {
      .hero {
        background-position: 65% center;
      }
    }
    .hero::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      backdrop-filter: blur(4px);
      background: rgba(0,0,0,0.45);
    }
    .hero h2 { 
      position: relative; 
      z-index: 1; 
      font-size: 2.1rem; 
      max-width: 700px; 
      text-shadow: 0 0 15px rgba(0,0,0,0.6); 
      color: #f0f4ff; 
    }
    .container {
      max-width: 1100px;
      margin: auto;
      padding: 40px 20px;
    }
    h3 {
      font-size: 2rem;
      color: #0c2b66;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .section {
      margin-bottom: 60px;
    }
    .speakers {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 30px;
    }
    .speaker-card {
      background: linear-gradient(145deg, #f0f4ff, #ffffff);
      border-radius: 16px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
      transition: all 0.3s ease;
      border: 1px solid #dbe2f0;
    }
    .speaker-card ul{
        margin-left: 25px;
    }
    .speaker-card img {
      width: 150px;
      height: 150px;
      border-radius: 50%;
      object-fit: cover;
      margin-bottom: 15px;
      border: 4px solid #0c2b66;
    }
    .schedule table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 10px;
    }
    .schedule th,
    .schedule td {
      padding: 15px;
      border-bottom: 1px solid #ddd;
    }
    .schedule th {
      background: #0c2b66;
      color: white;
      font-weight: 600;
    }
    .registration {
      background: #eef2f7;
      padding: 30px;
      border-radius: 12px;
    }
    .registration input,
    .registration textarea {
      width: 100%;
      padding: 12px;
      margin-bottom: 15px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 1rem;
    }
    button {
      background: #0c2b66;
      color: white;
      border: none;
      padding: 12px 25px;
      border-radius: 6px;
      font-size: 1rem;
      cursor: pointer;
    }
    footer {
      text-align: center;
      padding: 20px;
      background: #0c2b66;
      color: white;
      margin-top: 40px;
    }
    .speaker-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 28px rgba(0,0,0,0.12);
    }
    a[href*="forms.gle"]:hover {
      transform: scale(1.05);
      box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    }
    .event-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
      align-items: start;
    }
    .event-card {
      background: white;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.3s ease;
      border: 1px solid #dbe2f0;
      display: flex;
      flex-direction: column;
    }
    .event-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    }
    .event-card-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      flex-shrink: 0;
    }
    .event-card-content {
      padding: 25px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .event-card-year {
      display: inline-block;
      /* background: linear-gradient(135deg, #0c2b66, #1a4d99); */
      color: #0c2b66;
      /* padding: 8px 20px; */
      /* border-radius: 20px; */
      font-weight: 600;
      font-size: 2rem;
      margin-bottom: 15px;
    }
    .event-card h4 {
      color: #0c2b66;
      font-size: 1.3rem;
      margin-bottom: 15px;
      line-height: 1.4;
    }
    .event-card p {
      color: #555;
      line-height: 1.7;
      font-size: 0.95rem;
    }
    .event-card-text {
      color: #555;
      line-height: 1.7;
      font-size: 0.95rem;
      margin-bottom: 15px;
      transition: max-height 0.3s ease;
      overflow: hidden;
    }
    .event-card-text.collapsed {
      max-height: 4.5em;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
    }
    .read-more-btn {
      background: linear-gradient(135deg, #0c2b66, #1a4d99);
      color: white;
      border: none;
      padding: 8px 20px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      margin-top: 10px;
    }
    .read-more-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 5px 15px rgba(12, 43, 102, 0.3);
    }