/* src/main/resources/templates/landing-demo.html */

    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: 'Outfit', sans-serif;
      background: #020306; min-height: 100vh; color: #fff; overflow-x: hidden;
    }
    
    .hero-container {
      max-width: 900px; margin: 0 auto; padding: 140px 40px 60px; text-align: center; position: relative; z-index: 10;
    }
    .hero-title {
      font-size: 5rem; font-weight: 900; margin-bottom: 24px; letter-spacing: -4px; font-style: italic; line-height: 0.9;
    }
    .hero-subtitle {
      font-size: 1.4rem; color: rgba(255,255,255,0.5); max-width: 600px; margin: 0 auto 60px; line-height: 1.6;
    }

    .demo-card {
      background: rgba(255,255,255,0.02); backdrop-filter: blur(50px); border: 1px solid rgba(255,255,255,0.1);
      border-radius: 50px; padding: 80px 40px; text-align: center; position: relative; transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
      box-shadow: 0 50px 120px rgba(0,0,0,0.8);
    }
    .telegram-badge {
      display: inline-flex; align-items: center; gap: 8px; background: rgba(42,171,238,0.12); color: #2aabee;
      padding: 8px 16px; border-radius: 100px; font-weight: 800; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px;
      margin-bottom: 30px; border: 1px solid rgba(42,171,238,0.28);
    }
    
    .btn-telegram-premium {
      display: inline-flex; align-items: center; gap: 16px; padding: 26px 60px; border-radius: 24px;
      background: #fff; color: #000; text-decoration: none; font-weight: 900; font-size: 1.4rem;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); margin-top: 40px; box-shadow: 0 15px 40px rgba(255,255,255,0.2);
    }
    .btn-telegram-premium:hover { transform: scale(1.1) rotate(2deg); background: #f0f0f0; box-shadow: 0 20px 50px rgba(255,255,255,0.4); }
    .btn-telegram-premium svg { width: 30px; height: 30px; fill: #2aabee; flex: 0 0 auto; }

    .starfield { position: fixed; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; z-index: 0; }
    .star { position: absolute; width: 2px; height: 2px; background: #fff; border-radius: 50%; animation: twinkle var(--dur, 4s) var(--delay, 0s) infinite; }
    @keyframes twinkle { 0%, 100% { opacity: 0.2; } 50% { opacity: 0.8; } }

    @media (max-width: 992px) {
      .hero-title { font-size: 3.5rem; }
      .demo-card { padding: 60px 20px; }
      .btn-telegram-premium { padding: 20px 40px; font-size: 1.1rem; }
    }