html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: url('../images/tlo.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #6b5a4a;
}

.logo-csvk {
  position: absolute;
  top: 12px;
  left: 12px;
  height: 60px;
  width: auto;
  z-index: 2;
}

.center-container {
  max-width: 620px;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  box-sizing: border-box;
}

.center-logo {
  margin-bottom: 1px;
  margin-left: -20px;
  height: 80px;
  width: auto;
}

/* Wygląd dla tekstu polskiego */
.desc {
  font-size: 48px;
  font-weight: 600;
  text-align: center;
  margin-top: 10px;
  color: #5a4a3a;
}

/* Wygląd dla tekstu angielskiego */
.desc-eng {
  font-size: 36px;
  font-weight: 400;
  margin-top: 6px;
  text-align: center;
  color: #7a6a5a;
  font-style: italic;
}

/* Styl linka z logo (opcjonalnie usuwa podkreślenie) */
#logo-link {
  text-decoration: none;
  display: block;
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

/* (opcjonalnie) responsywność */
@media (max-width: 500px) {
  .center-logo {
    height: 80px;
    margin-left: -10px;
  }
  .desc {
    font-size: 16px;
  }
  .desc-eng {
    font-size: 12px;
  }
}