:root {
      --primary: #0066cc;
      --secondary: #004080;
      --accent: #ff6600;
      --light: #f8f9fa;
      --dark: #212529;
    }

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

    body {
      font-family: 'Segoe UI', sans-serif;
      background-color: var(--light);
      color: var(--dark);
      line-height: 1.6;
      position: relative;
      min-height: 100vh;
    }

    header {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      padding: 15px 20px;
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

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

    .logo {
      font-family: 'Fredoka One', cursive;
      font-size: 24px;
    }

    nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
    }

    .nav-links {
      display: flex;
      list-style: none;
      gap: 20px;
    }

    .nav-links a {
      color: white;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
    }

    .nav-links a:hover {
      color: var(--accent);
    }

    .cta-button {
      background-color: var(--accent);
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 25px;
      font-weight: 600;
      cursor: pointer;
      margin-left: 15px;
      transition: all 0.3s ease;
    }

    .cta-button:hover {
      transform: scale(1.05);
    }

    .hero {
      padding: 150px 20px 80px;
      text-align: center;
      background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    }

    .hero h1 {
      font-size: 3.5rem;
      font-family: 'Fredoka One', cursive;
      color: var(--secondary);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    }

    .hero h1 span {
      color: var(--accent);
      display: inline-block;
      animation: bounce 2s ease infinite;
    }

    .hero p {
      font-size: 1.2rem;
      margin-top: 20px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .app-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .app-button {
      display: flex;
      align-items: center;
      background-color: black;
      color: white;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 500;
      font-size: 1rem;
      transition: all 0.3s ease;
    }

    .app-button i {
      font-size: 24px;
      margin-right: 10px;
    }

    .app-button:hover {
      background-color: var(--accent);
      transform: translateY(-2px);
    }

    .phone-mockup {
      max-width: 300px;
      margin: 40px auto;
      animation: float 6s ease-in-out infinite;
    }

    .floating-popup {
      position: fixed;
      bottom: 100px;
      right: 20px;
      background: #212529;
      color: #fff;
      padding: 15px 25px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      font-weight: 500;
      display: none;
      z-index: 2000;
      animation: fadeIn 0.5s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.6);
      display: none;
      justify-content: center;
      align-items: center;
      z-index: 2000;
      overflow-y: auto;
      padding: 20px;
      min-height: 100vh;
      height: 100%;
    }

    .qr-modal {
      background: white;
      border-radius: 12px;
      padding: 25px;
      text-align: center;
      max-width: 350px;
      width: 90%;
      position: relative;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      animation: modalFadeIn 0.3s ease;
      margin: 20px auto;
    }

    @keyframes modalFadeIn {
      from { opacity: 0; transform: scale(0.9); }
      to { opacity: 1; transform: scale(1); }
    }

    .close-btn {
      position: absolute;
      top: 15px;
      right: 20px;
      font-size: 24px;
      cursor: pointer;
      color: #666;
      transition: color 0.2s;
    }

    .close-btn:hover {
      color: var(--accent);
    }

    .qr-modal h2 {
      font-size: 1.6rem;
      color: var(--secondary);
      margin-bottom: 15px;
      font-family: 'Fredoka One', cursive;
    }

    .qr-modal p {
      font-size: 1rem;
      margin-bottom: 20px;
      color: #555;
    }

    .qr-container {
      position: relative;
      display: inline-block;
      margin-bottom: 15px;
    }

    .qr-modal img {
      width: 160px;
      height: auto;
      border: 8px solid #fff;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
      border-radius: 12px;
      transition: transform 0.3s ease;
    }

    .qr-scanner {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background-color: rgba(255, 102, 0, 0.8);
      box-shadow: 0 0 8px rgba(255, 102, 0, 0.5);
      animation: scan 2s ease-in-out infinite;
    }

    @keyframes scan {
      0% { top: 0; }
      100% { top: calc(100% - 4px); }
    }

    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
      100% { transform: translateY(0px); }
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    .mobile-menu {
      display: none;
      font-size: 24px;
      cursor: pointer;
      margin-left: auto;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        flex-direction: column;
        background-color: var(--primary);
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        padding: 10px 0;
        z-index: 1001;
      }

      .nav-links.show {
        display: flex;
      }

      .nav-links li {
        padding: 10px 20px;
      }

      .mobile-menu {
        display: block;
      }

      nav {
        justify-content: flex-end;
        width: auto;
      }

      .cta-button {
        margin: 10px 20px;
      }

      .hero h1 {
        font-size: 2.5rem;
      }

      .app-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        width: 100%;
        max-width: 280px;
        margin: 30px auto 0;
      }

      .app-button {
        width: 100%;
        justify-content: center;
      }

      .qr-modal {
        padding: 20px 15px;
        max-width: 300px;
      }

      .qr-modal h2 {
        font-size: 1.4rem;
      }
      
      .qr-modal img {
        width: 140px;
      }
    }

    @media (max-width: 480px) {
      .phone-mockup {
        max-width: 230px;
      }

      .hero h1 {
        font-size: 2rem;
      }

      .hero p {
        font-size: 1rem;
      }
      
      .qr-modal {
        max-width: 280px;
      }
    }
    
    #installPrompt {
      display: none;
      position: fixed;
      bottom: 10%;
      left: 50%;
      transform: translateX(-50%);
      background: #fff;
      border: 1px solid #ccc;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0,0,0,0.3);
      text-align: center;
      z-index: 9999;
    }
    
    #installPrompt button {
      padding: 10px 20px;
      margin-top: 10px;
      background: #007bff;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
    
    /* Watermark overlay */
    .watermark {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 9998;
      background: repeating-linear-gradient(
        45deg,
        rgba(255,0,0,0.05),
        rgba(255,0,0,0.05) 10px,
        rgba(0,0,255,0.05) 10px,
        rgba(0,0,255,0.05) 20px
      );
      display: flex;
      justify-content: center;
      align-items: center;
    }
    
    .watermark-text {
      color: rgba(0,0,0,0.03);
      font-size: 5rem;
      font-weight: bold;
      transform: rotate(-30deg);
      user-select: none;
      pointer-events: none;
    }