html{
  overflow-x:hidden;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
a{
    color: #fff;
    text-decoration: none;
}
body {
    background-color: #000000;
    color: white;
    line-height: 1.6;
}
nav {
    background: linear-gradient(to right, #1e3b72, #2a52981b, #2a529800, #2a52981b, #1e3b72);
    width: 100vw;
    height: 7.1%;
    display: flex;
    justify-content: flex-start; /* rozdělí logo vlevo a zbytek vpravo */
    align-items: center;
    position: fixed;
    z-index: 11;
    border-bottom: 1px solid #ffffff;
    padding: 0 ; /* přidá trochu prostoru po stranách */
}

nav a:hover {
    transform: translateY(-3px);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 5px; /* mezery mezi ikonami */
    padding-right: 3%;
    width: 25%;
    height: 100%;
      margin-left: 0.5%;
          transition: all ease-in-out 0.3s;
}
.nav-links a{

  width: 10%;
  height: 100%;
}
.nav-links a img{
  width: 100%;
  height: 100%;
}

header {

    padding: 2rem;
    text-align: center;

}


header h1 {
    margin-top: 3%;
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    color: #ffffff;
}

.container {
    max-width: 1000px;
    margin: auto;
    padding: 2rem;
    
}
.container img{
    object-fit: contain;
   width: 50px;
   height: 300px;
}

.screenshot img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 2rem;
    z-index: 3;
    position: relative;
}

.description, .features {
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 1rem;
    border-bottom: 1px solid #ffffff9c;
}

ul {
    list-style-type: square;
    padding-left: 1.5rem;
}

.download {
    text-align: center;
    margin-top: 2rem;
}

.download a {
    background: #1e3c72;
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.download a:hover {
    background: #2a5298;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #071221;
    color: #999;
    margin-top: 3rem;
}


@media (min-width: 320px){
  .nav-links{
    width: 100%;
  }
  header h1{
    font-size: 2rem;
  }
  header{
    padding: 3rem;
  }
}
@media (min-width: 800px){
  .nav-links a img{
    width: 100%;
  }
  .nav-links a{
    width: 3%;
  }
}

.starry-background {
    overflow-x: hidden;
    overflow-y: hidden;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw; /* bigger than viewport for smooth rotation */
    height: 100vh;

    background:
      /* Layer 1: Small bright stars */
      radial-gradient(1.5px 1.5px at 20px 30px, white 90%, transparent 100%),
      radial-gradient(1.3px 1.3px at 50px 90px, #eee 90%, transparent 100%),
      radial-gradient(1.8px 1.8px at 130px 60px, white 90%, transparent 100%),
      radial-gradient(1.2px 1.2px at 180px 200px, #ddd 90%, transparent 100%),
      radial-gradient(1.6px 1.6px at 220px 150px, white 90%, transparent 100%),
      radial-gradient(1.1px 1.1px at 300px 300px, #ccc 90%, transparent 100%),
      radial-gradient(1.7px 1.7px at 370px 120px, white 90%, transparent 100%),
      radial-gradient(1.3px 1.3px at 410px 410px, #eee 90%, transparent 100%),
      radial-gradient(1.0px 1.0px at 450px 220px, white 90%, transparent 100%),
      radial-gradient(1.5px 1.5px at 490px 80px, #ddd 90%, transparent 100%),
      /* Layer 2: Medium stars */
      radial-gradient(2.5px 2.5px at 70px 120px, #fff 90%, transparent 100%),
      radial-gradient(2.0px 2.0px at 150px 180px, #eee 90%, transparent 100%),
      radial-gradient(2.6px 2.6px at 230px 250px, #fff 90%, transparent 100%),
      radial-gradient(2.3px 2.3px at 320px 100px, #ddd 90%, transparent 100%),
      radial-gradient(2.4px 2.4px at 400px 290px, #fff 90%, transparent 100%),
      radial-gradient(2.1px 2.1px at 480px 160px, #ccc 90%, transparent 100%),
      /* Layer 3: Larger stars for depth */
      radial-gradient(3.5px 3.5px at 90px 310px, #fff 90%, transparent 100%),
      radial-gradient(3.0px 3.0px at 170px 350px, #eee 90%, transparent 100%),
      radial-gradient(3.6px 3.6px at 250px 400px, #fff 90%, transparent 100%),
      radial-gradient(3.2px 3.2px at 340px 220px, #ddd 90%, transparent 100%),
      radial-gradient(3.4px 3.4px at 420px 350px, #ffe100 90%, transparent 100%),
      radial-gradient(3.3px 3.3px at 510px 300px, #ccc 90%, transparent 100%);
    background-repeat: repeat;
    background-size: 600px 600px;
     animation: spin 250s linear infinite;
    z-index: 0;
    pointer-events: none;
  }
  @keyframes spin{
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(360deg);
    }
}