html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #000;
      color: #fff;
      min-height: 100vh;
      margin: 0;
      padding-top: 0;
      background-color: #000;
      color: #fff;
      min-height: 100vh;
      margin: 0;
      padding-top: 0;
      min-height: 100vh;
      margin: 0;
      padding-top: 0;
      font-family: Arial, Helvetica, sans-serif; 
    }
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 1s ease forwards;
    }
    .fade-in-delay {
      animation-delay: 0.5s;
    }
    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes pulse {
      0% { transform: translate(-50%, -50%) scale(1); }
      50% { transform: translate(-50%, -50%) scale(1.3); }
      100% { transform: translate(-50%, -50%) scale(1); }
    }
    .timeline-container {
      display: flex;
      justify-content: center;
      margin-top: 50px;
      width: 100%;
    }
    .timeline {
      position: relative;
      width: 80%;
      height: 80px;
    }
    .timeline::after {
      content: '';
      position: absolute;
      width: 100%;
      height: 4px;
      background-color: #555;
      top: 30%;
      left: 0;
      transform: translateY(-50%);
      z-index: 1;
    }
    .progress-line {
      position: absolute;
      height: 4px;
      background-color: green;
      top: 30%;
      right: 0;
      width: 100%;
      transform: translateY(-50%);
      z-index: 2;
      transition: width 0.2s linear;
    }
    .milestone {
      position: absolute;
      top: 30%;
      transform: translate(-50%, -50%);
      width: 20px;
      height: 30px;
      background-color: grey;
      border-radius: 50%;
      z-index: 3;
      transition: background-color 0.5s, box-shadow 0.5s;
    }
    .milestone.reached {
      background-color: green;
      animation: pulse 0.6s ease;
      box-shadow: 0 0 10px green;
    }
    .milestone.active {
      background-color: #2ecc71;
    }
    .milestone-label {
      position: absolute;
      top: 50%;
      transform: translateX(-50%);
      margin-top: 20px;
      font-size: 0.9rem;
    }
    .sticky-top {
      z-index: 1030;
    }
    .stock-bar-container {
      width: 80%;
      margin: 30px auto;
      background-color: #444;
      border-radius: 10px;
      height: 30px;
      overflow: hidden;
    }
    .stock-bar {
      height: 100%;
      background: linear-gradient(90deg, #ff4d4d, #cc0000);
      width: 100%;
      transition: width 1s linear;
      border-radius: 10px 0 0 10px;
    }
    img { 
      max-width: 100%;
      height: auto;
      display: block;
    }
    .modal-img {
      display: none;
      position: fixed;
      z-index: 2000;
      padding-top: 80px;
      left: 0; top: 0;
      width: 100%; height: 100%;
      background-color: rgba(0,0,0,0.9);
    }
    .modal-content-img {
      display: block;
      margin: auto;
      max-width: 90%;
      max-height: 90%;
    }
    .close {
      position: absolute;
      top: 20px; right: 35px;
      color: #fff;
      font-size: 40px;
      cursor: pointer;
    }