body {
  font-family: Arial, Helvetica, sans-serif;
  background: url("snow-6898585_1920.jpg") no-repeat center center fixed;
  background-size: cover;
  margin: 0;
  min-height: 100vh;

  display: flex;
  justify-content: center;   
  align-items: flex-start;   
}


.container {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 10px;
  max-width: 1000px;
  width: 90%;
  margin-top: 2rem;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
}

.projekty {
  list-style: none;
  padding: 0;
  margin: 0;

  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.projekty li a {
  display: block;
  padding: 1rem;
  text-align: center;
  text-decoration: none;
  color: #222;
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
}

.projekty li a:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

header a {
  position: absolute;   
  top: 20px;            
  left: 20px;           
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #000000;
  background: #ffffff;
  border: none;
  border-radius: 20px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

header a:hover {
  background: #e0e0e0;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}