* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    
    body, html {
      height: 100%;
      width: 100%;
      overflow-y: auto;
      overflow-x: hidden;
      font-family: "Cairo", sans-serif;
    }

    .bg-img {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -2;
      filter: brightness(0.5) contrast(1.1);
    }

    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.4);
      z-index: -1;
    }

    .main-wrapper {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      position: relative;
    }

    .hero {
      text-align: center;
      margin-top: 40px;
      animation: fadeInUp 0.7s ease-out;
    }

    h1 {
      font-size: 3.2rem;
      margin-bottom: 20px;
      color: #fff;
      text-shadow: 3px 3px 12px rgba(0,0,0,0.9);
      font-weight: 800;
      letter-spacing: 1px;
      background: linear-gradient(135deg, #f9e0a0, #e0b87a);
      background-clip: text;
      -webkit-background-clip: text;
      color: transparent;
      text-shadow: none;
    }
    
    @supports not (background-clip: text) {
      h1 {
        color: #f5d742;
        text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
      }
    }

    .subtitle {
      color: #ddd;
      font-size: 1.1rem;
      margin-bottom: 30px;
      text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    }

    .download-btn {
      padding: 16px 52px;
      font-size: 1.6rem;
      font-weight: bold;
      border: none;
      border-radius: 10px;
      color: white;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.4);
      letter-spacing: 1px;
      border: 1px solid rgba(255,255,255,0.25);
      backdrop-filter: blur(2px);
    }

    .download-btn:hover {
      background: linear-gradient(135deg, #e67e22, #c0392b);
    }

    .download-btn:active {
      transform: translateY(2px);
    }

    .gallery-section {
      margin-top: 55px;
      width: 100%;
      animation: fadeInUp 0.9s ease-out;
    }

    .gallery-title {
      text-align: center;
      color: #fff;
      font-size: 1.2rem;
      margin-bottom: 30px;
      font-weight: 500;
      text-shadow: 1px 1px 6px rgba(0,0,0,0.6);
      letter-spacing: 1px;
      border-bottom: 2px solid rgba(230,126,34,0.6);
      display: inline-block;
      width: auto;
      padding-bottom: 8px;
    }

    .gallery-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 25px;
    }

    .gallery-card {
      flex: 1;
      min-width: 150px;
      max-width: 250px;
      background: rgba(20, 20, 25, 0.75);
      backdrop-filter: blur(8px);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .gallery-card:hover {
      transform: translateY(-12px) scale(1.01);
      box-shadow: 0 24px 40px rgba(0, 0, 0, 0.6);
      border-color: rgba(230, 126, 34, 0.6);
    }

    .gallery-img {
      width: 100%;
      object-fit: fill;
      display: block;
      transition: transform 0.5s ease;
      background-color: #1a1a2e;
    }

    .gallery-card:hover .gallery-img {
      transform: scale(1.03);
    }

    .img-caption {
      padding: 16px 12px;
      text-align: center;
      color: #f0f0f0;
      font-weight: 500;
      background: rgba(0, 0, 0, 0.5);
      font-size: 0.95rem;
      letter-spacing: 0.5px;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    .footer {
      position: relative;
      margin-top: 60px;
      padding: 20px 0;
      background: rgba(0, 0, 0, 0.75);
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 45px;
      z-index: 10;
    }

    .footer a {
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
      opacity: 0.85;
    }

    .footer svg {
      transition: filter 0.2s;
    }

    .footer a:hover svg {
      filter: drop-shadow(0 0 8px rgba(230,126,34,0.8));
    }

    .tabs-container {
      margin-top: 25px;
      text-align: center;
    }

    .tabs {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-bottom: 15px;
    }

    .tab-btn {
      padding: 10px 20px;
      border: none;
      cursor: pointer;
      background: #222;
      color: white;
      border-radius: 8px;
    }

    .tab-btn.active {
      background: black;
    }

    .tab-content {
      display: none;
      padding: 15px;
      width: 400px;
      color: white;
      border-radius: 10px;
      margin-top: 10px;
    }

    .tab-content.active {
      display: block;
    }

    .steps {
      text-align: right;
      line-height: 1.8;
    }

    .code-box {
      background: #111;
      border: 1px solid #333;
      padding: 25px;
      margin-top: 15px;
      font-family: monospace;
    }

    .code-box code {
      color: white;
    }

    @media (max-width: 900px) {
      h1 {
        font-size: 2.4rem;
      }
      .download-btn {
        font-size: 1.3rem;
        padding: 12px 36px;
      }
      .gallery-container {
        gap: 20px;
      }
      .gallery-card {
        min-width: 240px;
      }
      .footer {
        gap: 30px;
        padding: 14px 20px;
      }
      .footer svg {
        width: 28px;
        height: 28px;
      }
    }

    @media (max-width: 680px) {
      .gallery-container {
        flex-direction: column;
        align-items: center;
      }
      .gallery-card {
        max-width: 90%;
        width: 100%;
      }
      .gallery-img {
        height: 190px;
      }
      h1 {
        font-size: 1.9rem;
      }
      .main-wrapper {
        padding-bottom: 100px;
      }
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    html {
      scroll-behavior: smooth;
    }