* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }

    body {
      background: linear-gradient(135deg, #0a192f, #112240);
      color: white;
      overflow-x: hidden;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header */
    header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(10, 25, 47, 0.95);
      backdrop-filter: blur(10px);
      padding: 1rem 20px;
    }

    .header-content {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      font-size: 1.5rem;
      font-weight: bold;
      background: linear-gradient(45deg, #64ffda, #00bfff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    nav a {
      color: #8892b0;
      text-decoration: none;
      margin-left: 2rem;
      font-size: 0.9rem;
      transition: color 0.3s;
    }

    /* Hero Section */
    .hero {
      padding-top: 80px;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-content {
      max-width: 600px;
      text-align: center;
      padding: 2rem 0;
    }

    .hero-title {
      font-size: clamp(2rem, 5vw, 3.5rem);
      line-height: 1.2;
      margin-bottom: 1.5rem;
      background: linear-gradient(45deg, #64ffda, #00bfff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-description {
      font-size: clamp(1rem, 2vw, 1.2rem);
      line-height: 1.6;
      color: #8892b0;
      margin-bottom: 2rem;
      padding: 0 1rem;
    }

    /* Slider Section */
    .slider-section {
      padding: 2rem 0;
      margin-top: 2rem;
    }

    .slider-container {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
      aspect-ratio: 16/9;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    .slider {
      width: 100%;
      height: 100%;
      position: relative;
    }

    .slide {
      position: absolute;
      width: 100%;
      height: 100%;
      opacity: 0;
      transition: opacity 0.5s ease-in-out;
    }

    .slide.active {
      opacity: 1;
    }

    .slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .slider-nav {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 10px;
      z-index: 10;
    }

    .slider-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.5);
      cursor: pointer;
      transition: background 0.3s;
    }

    .slider-dot.active {
      background: #64ffda;
    }

    /* Download Buttons */
    .download-buttons {
      display: flex;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .download-btn {
      padding: 0.8rem 1.5rem;
      border-radius: 8px;
      border: 1px solid rgba(100, 255, 218, 0.3);
      background: rgba(100, 255, 218, 0.1);
      color: #64ffda;
      font-size: 0.9rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
      min-width: 150px;
      max-width: 200px;
    }

    .download-btn:hover {
      background: rgba(100, 255, 218, 0.2);
      transform: translateY(-2px);
    }

    /* Features Section */
    .features {
      padding: 4rem 0;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
    }

    .feature-card {
      background: rgba(255, 255, 255, 0.05);
      padding: 2rem;
      border-radius: 16px;
      backdrop-filter: blur(10px);
      transition: transform 0.3s;
    }

    .feature-card:hover {
      transform: translateY(-5px);
    }

    /* Mobile Styles */
    @media (max-width: 768px) {
      .container {
        padding: 0 15px;
      }

      header {
        padding: 0.8rem 5px;
      }

      nav {
        display: none;
      }

      .hero {
        padding-top: 30px;
      }

      .slider-container {
        aspect-ratio: 3/4;
        margin: 1rem 15px;
      }

      .slide img {
        object-fit: contain;
        background: rgba(10, 25, 47, 0.9);
      }

      .download-buttons {
        padding: 0 15px;
      }

      .download-btn {
        padding: 0.7rem 1.2rem;
        min-width: 130px;
        font-size: 0.85rem;
      }
    }

    /* Mobile Menu */
    .menu-btn {
      display: none;
      font-size: 1.5rem;
      color: #64ffda;
      cursor: pointer;
    }

    .mobile-nav {
      display: none;
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      background: rgba(10, 25, 47, 0.98);
      padding: 1rem;
      transform: translateY(-100%);
      transition: transform 0.3s ease;
      z-index: 99;
    }

    @media (max-width: 768px) {
      .menu-btn {
        display: block;
      }

      .mobile-nav {
        display: block;
      }

      .mobile-nav.active {
        transform: translateY(0);
      }

      .mobile-nav a {
        display: block;
        padding: 0.8rem 1rem;
        color: #8892b0;
        text-decoration: none;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      }
    }

    .download-guide {
      padding: 5rem 0;
      background: rgba(10, 25, 47, 0.5);
    }
    
    .section-title {
      text-align: center;
      font-size: 2.5rem;
      margin-bottom: 3rem;
      background: linear-gradient(45deg, #64ffda, #00bfff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    
    .download-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin-bottom: 4rem;
    }
    
    .step-card {
      background: rgba(255, 255, 255, 0.05);
      padding: 2rem;
      border-radius: 16px;
      text-align: center;
      position: relative;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    
    .step-card:hover {
      transform: translateY(-10px);
    }
    
    .step-number {
      position: absolute;
      top: -15px;
      left: -15px;
      width: 40px;
      height: 40px;
      background: linear-gradient(45deg, #64ffda, #00bfff);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2rem;
    }
    
    .step-icon {
      font-size: 2.5rem;
      color: #64ffda;
      margin-bottom: 1.5rem;
    }
    
    .step-card h3 {
      margin-bottom: 1rem;
      color: #fff;
    }
    
    .step-card p {
      color: #8892b0;
      line-height: 1.6;
      margin-bottom: 1.5rem;
    }
    
    .step-buttons {
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
    }
    
    .step-btn {
      display: inline-block;
      padding: 0.8rem 1.5rem;
      border-radius: 8px;
      text-decoration: none;
      transition: all 0.3s ease;
      font-weight: 500;
    }
    
    .step-btn.primary {
      background: linear-gradient(45deg, #64ffda, #00bfff);
      color: #0a192f;
    }
    
    .step-btn.secondary {
      background: rgba(100, 255, 218, 0.1);
      color: #64ffda;
      border: 1px solid rgba(100, 255, 218, 0.3);
    }
    
    .step-btn:hover {
      transform: translateY(-2px);
      opacity: 0.9;
    }
    
    .download-cta {
      text-align: center;
      margin-top: 4rem;
      padding: 2rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 16px;
    }
    
    .download-cta h3 {
      font-size: 1.8rem;
      margin-bottom: 1rem;
      color: #fff;
    }
    
    .download-cta p {
      color: #8892b0;
      margin-bottom: 2rem;
    }
    
    .store-buttons {
      display: flex;
      justify-content: center;
    }
    
    .store-btn {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 2rem;
      background: linear-gradient(45deg, #64ffda, #00bfff);
      border-radius: 12px;
      color: #0a192f;
      text-decoration: none;
      transition: all 0.3s ease;
    }
    
    .store-btn:hover {
      transform: translateY(-2px);
      opacity: 0.9;
    }
    
    .store-btn i {
      font-size: 2rem;
    }
    
    .btn-text {
      text-align: left;
    }
    
    .btn-text span {
      display: block;
      font-size: 0.8rem;
      opacity: 0.8;
    }
    
    .btn-text strong {
      font-size: 1.2rem;
    }
    
    @media (max-width: 768px) {
      .download-guide {
        padding: 3rem 1rem;
      }
      
      .section-title {
        font-size: 2rem;
      }
      
      .download-steps {
        gap: 1.5rem;
      }
      
      .step-card {
        padding: 1.5rem;
      }
      
      .store-btn {
        width: 100%;
        justify-content: center;
        padding: 0.8rem 1.5rem;
      }
    }