* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* General */
  body {
    font-family: Arial, sans-serif;
    background-color: #fff;
    overflow-x: hidden;
  }
  
  /* Header */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #001f3f;
    padding: 15px 30px;
    color: white;
    flex-wrap: wrap;
  }
  
  .logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .logo-container img {
    height: 60px;
    width: 60px;
    border-radius: 10px;
    border: 2px solid white;
  }
  
  .text-container h1 {
    font-size: 20px;
    margin: 0;
  }
  
  .text-container p {
    font-size: 12px;
    color: #ccc;
    margin: 0;
  }
  
  .menu {
    display: flex;
    gap: 20px;
  }
  
  .menu a {
    color: white;
    text-decoration: none;
    font-weight: bold;
  }
  
  .menu a:hover {
    color: #FFD700;
  }
  
  /* Hero / Slider */
  .hero {
    position: relative;
    width: 100%;
    height: 560px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    background: black;
  }
  
  .slider {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  
  .slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: slider 25s infinite;
  }
  
  .slide:nth-child(1) { animation-delay: 0s; }
  .slide:nth-child(2) { animation-delay: 5s; }
  .slide:nth-child(3) { animation-delay: 10s; }
  .slide:nth-child(4) { animation-delay: 15s; }
  .slide:nth-child(5) { animation-delay: 20s; }
  
  @keyframes slider {
    0% { opacity: 0; }
    20% { opacity: 1; }
    40% { opacity: 1; }
    60% { opacity: 0; }
    100% { opacity: 0; }
  }
  
  .hero h2 {
    color: white;
    font-size: 20px;
    background: rgba(0,0,0,0.5);
    padding: 8px 16px;
    border-radius: 5px;
    z-index: 1;
    margin-bottom: 10px;
  }
  
  .hero button {
    background-color: white;
    color: #001f3f;
    border: none;
    padding: 10px 20px;
    margin-bottom: 20px;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.3s;
    z-index: 1;
  }
  
  .hero button::after {
    content: "\25BE";
    margin-left: 8px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
  }
  
  .hero button:hover::after {
    opacity: 1;
  }
  
  .hero button:hover {
    background-color: #FFD700;
  }
  
  /* Expanded Content */
  .expanded-content {
    display: none;
    padding: 30px 20px;
    background-color: #f7f7f7;
    color: #333;
    line-height: 1.6;
    animation: fadeIn 0.4s ease-in-out;
  }
  
  .expanded-content.active {
    display: block;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .collapse-btn {
    margin-top: 20px;
    background: none;
    border: 1px solid #001f3f;
    color: #001f3f;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
  }
  
  .collapse-btn:hover {
    background-color: #001f3f;
    color: white;
  }
  
  /* Footer */
  .footer {
    background-color: #001f3f;
    color: white;
    display: flex;
    justify-content: space-between;
    padding: 30px 30px;
    flex-wrap: wrap;
  }
  
  .footer .social-icons {
    display: flex;
    gap: 10px;
    align-items: center;
  }
  
  .footer .social-icons img {
    height: 25px;
  }
  
  .footer .social-icons span {
    color: white;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .header {
      flex-direction: column;
      text-align: center;
    }
  
    .menu {
      flex-direction: column;
      margin-top: 10px;
    }
  
    .hero h2 {
      font-size: 16px;
      max-width: 90%;
    }
  
    .hero button {
      font-size: 14px;
    }
  
    .footer {
      flex-direction: column;
      text-align: center;
    }
  }