/* Základní reset a proměnné */
:root {
    --primary: #5851e1;
    --secondary: #3ae3dc;
    --dark: #1e1e2c;
    --light: #f7f9fc;
    --accent: #ff6b6b;
    --transition: all 0.4s ease;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
  }

  body {
    background-color: var(--light);
    color: var(--dark);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  /* Navigace */
  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.7); /* Zvýšená průhlednost - hodnota 0.7 místo původních 0.9 */
    /* Můžete také zkusit hodnoty jako 0.5 nebo 0.6 pro větší průhlednost */
    backdrop-filter: blur(10px); /* Tato vlastnost je už nastavena a pomáhá s čitelností při průhlednosti */
  }

  .logo {
    font-weight: 800;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
    transition: var(--transition);
  }

  /* Coming Soon sekce */
  .coming-soon {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem 5%;
    position: relative;
    overflow: hidden;
  }

  .coming-soon-content {
    max-width: 700px;
    z-index: 2;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
  }

  .coming-soon-content.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .coming-soon h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
  }

  .coming-soon p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    color: #555;
  }

  /* Countdown */
  .countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
  }

  .countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .countdown-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  }

  .countdown-label {
    font-size: 1rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  /* Newsletter */
  .newsletter {
     margin-top: 2rem;
    width: 100%;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .newsletter-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
  }

  .newsletter-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 1rem;
    transition: var(--transition);
  }

  .newsletter-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(88, 81, 225, 0.2);
  }

  .cta-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
  }

  .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(88, 81, 225, 0.2);
  }

  /* Sociální sítě */
  .social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    justify-content: center;
  }

  .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  }

  .social-links a:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(88, 81, 225, 0.2);
  }

  .social-links svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
  }

  /* Animované pozadí */
  .bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
  }

  .bg-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 100% 0%, rgba(88, 81, 225, 0.08) 0%, rgba(58, 227, 220, 0.08) 50%, rgba(255, 255, 255, 0) 70%);
  }

  .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
  }

  .blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background-color: var(--primary);
    animation: blob-move 20s infinite linear alternate;
  }

  .blob-2 {
    bottom: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background-color: var(--secondary);
    animation: blob-move 15s infinite linear alternate-reverse;
  }

  @keyframes blob-move {
    0% {
      transform: translate(0, 0) scale(0.8);
    }

    100% {
      transform: translate(50px, 50px) scale(1.2);
    }
  }

  /* Footer */
  footer {
    background-color: var(--dark);
    padding: 2rem 5%;
    color: white;
    text-align: center;
    margin-top: auto;
  }

  /* Responzivita */
  @media (max-width: 768px) {
    .coming-soon h1 {
      font-size: 2.8rem;
    }

    .coming-soon p {
      font-size: 1.2rem;
    }

    .countdown {
      gap: 1rem;
    }

    .countdown-number {
      font-size: 2.2rem;
      width: 60px;
      height: 60px;
    }

    .countdown-label {
      font-size: 0.8rem;
    }

    .newsletter-form {
      flex-direction: column;
    }

    .newsletter-input, .cta-btn {
      width: 100%;
    }
  }

  /* Pulzující animace */
  .pulse {
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
    100% {
      transform: scale(1);
    }
  }