body {
      margin: 0;
      padding: 0;
      font-family: Arial, sans-serif;
      background-image: url('https://clashofclans.inbox.supercell.com/lqe2co20rkhw/3Gvizhit5hChH2O4nf5LJb/ea510fc497e9d8ec21cb6e9d040e6034/Hero_Rush_Thumbnail.png?fm=webp');
      background-size: cover;
      background-attachment: fixed;
      background-position: center;
    }

    .center-container {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
    }

    .button-group {
      display: flex;
      flex-direction: column;
      gap: 20px;
      background-color: rgba(255, 255, 255, 0.8);
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 6px 10px rgba(0,0,0,0.3);
    }

    .custom-button {
      display: flex;
      align-items: center;
      gap: 10px;
      background-color: rgba(255, 255, 255, 0.95);
      border: none;
      padding: 12px 20px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: bold;
      text-decoration: none;
      color: #333;
      box-shadow: 0 4px 6px rgba(0,0,0,0.2);
      transition: background-color 0.3s, transform 0.2s;
    }

    .custom-button:hover {
      background-color: white;
      transform: scale(1.05);
    }

    .custom-button img {
      width: 30px;
      height: 30px;
      object-fit: contain;
    }

    .button-war-container {
      display: flex;
      justify-content: center;
      margin-top: 40px;
    }

    .button-war {
      display: flex;
      align-items: center;
      gap: 10px;
      background-color: rgba(255, 200, 0, 0.95);
      border: none;
      padding: 14px 24px;
      border-radius: 10px;
      font-size: 18px;
      font-weight: bold;
      color: #333;
      text-decoration: none;
      box-shadow: 0 4px 6px rgba(0,0,0,0.2);
      transition: background-color 0.3s, transform 0.2s;
    }

    .button-war:hover {
      background-color: #ffdb4d;
      transform: scale(1.05);
    }

    .button-war img {
      width: 32px;
      height: 32px;
      object-fit: contain;
    }

        /* Nút chiến tranh rực lửa */
    .button-war {
      position: relative;
      background-color: #ff5500;
      color: white;
      box-shadow: 0 0 20px rgba(255, 100, 0, 0.8), 0 0 40px rgba(255, 50, 0, 0.6);
      animation: fireGlow 2s infinite ease-in-out;
      overflow: hidden;
    }

    .button-war::before,
    .button-war::after {
      content: '';
      position: absolute;
      width: 150%;
      height: 150%;
      background: radial-gradient(circle, rgba(255, 200, 0, 0.4) 0%, transparent 70%);
      top: -25%;
      left: -25%;
      transform: rotate(0deg);
      animation: pulseFire 3s infinite linear;
      pointer-events: none;
      z-index: 0;
    }

    .button-war:hover {
      transform: scale(1.08);
      background-color: #ff3300;
      box-shadow: 0 0 25px rgba(255, 100, 0, 0.9), 0 0 50px rgba(255, 50, 0, 0.8);
    }

    /* Ánh sáng bập bùng */
    @keyframes fireGlow {
      0%, 100% {
        box-shadow: 0 0 20px rgba(255, 100, 0, 0.7), 0 0 40px rgba(255, 50, 0, 0.6);
      }
      50% {
        box-shadow: 0 0 30px rgba(255, 150, 0, 1), 0 0 60px rgba(255, 80, 0, 0.9);
      }
    }

    /* Ngọn lửa tỏa sáng */
    @keyframes pulseFire {
      0% {
        transform: rotate(0deg) scale(1);
        opacity: 0.4;
      }
      50% {
        transform: rotate(180deg) scale(1.05);
        opacity: 0.6;
      }
      100% {
        transform: rotate(360deg) scale(1);
        opacity: 0.4;
      }
    }

    /* hiệu ứng khi bấm vào sẽ rung nhẹ nút */

        @keyframes shakeButton {
        0% { transform: translateX(0); }
        25% { transform: translateX(-3px); }
        50% { transform: translateX(3px); }
        75% { transform: translateX(-3px); }
        100% { transform: translateX(0); }
      }
    
      .shake {
        animation: shakeButton 0.3s;
      }
    /* asdasdasd */

    .hidden-sections {
      opacity: 0;
      transform: translateY(50px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .hidden-sections.show {
      opacity: 1;
      transform: translateY(0);
    }

    .section {
      display: flex;
      flex-wrap: wrap;
      padding: 40px 10%;
      align-items: center;
    }

    .section:nth-child(even) {
      flex-direction: row-reverse;
    }

    .section img {
      width: 100%;
      max-width: 400px;
      border-radius: 12px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.3);
      cursor: pointer;
      transition: transform 0.3s ease;
    }

    .section img:hover {
      transform: scale(1.03);
    }

    .section .text {
      flex: 1;
      padding: 20px;
      color: white;
      font-size: 20px;
      font-weight: bold;
    }

    @media (max-width: 768px) {
      .section {
        flex-direction: column !important;
        text-align: center;
      }

      .section .text {
        padding: 20px 0;
      }
    }

    .image-popup {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-color: rgba(0,0,0,0.85);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 1000;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .image-popup.show {
      opacity: 1;
      pointer-events: auto;
    }

    .image-popup img {
      max-width: 90%;
      max-height: 90%;
      border-radius: 12px;
      box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
      transform: scale(0.8);
      transition: transform 0.3s ease;
    }

    .image-popup.show img {
      transform: scale(1);
    }