* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: #fff;
}

/* Sekcja 1: Nagłówek */
.header {
  height: 10vh;
  background-color: #000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4vw;
}

.logo {
  font-size: 2.2em;
  text-decoration: none;
  color: #fff;
}

.highlight {
  background-color: #800080;
  padding: 0 6px;
  border-radius: 4px;
  color: #fff;
}

.right a {
  margin-left: 1em;
}

.right img {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.right img[alt="Nowy blog"] {
  width: 40px;
  height: 20px;
}

.right img:hover {
  transform: scale(1.2);
}

.right a:focus,
.right img:focus {
  outline: none;
}

/* Sekcja 2: Baner */
.banner {
  height: 85vh;
  width: 100%;
  overflow: hidden;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Sekcja 3: Stopka */
.footer {
  height: 5vh;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  font-size: 0.9em;
  color: #888;
}

.footer-right {
  position: absolute;
  right: 4vw;
  color: #aaa;
}