* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background: #f4f4f4;
  color: #333;
}

/* HEADER */
header {
  background: #ff6a00;
  color: white;
  padding: 20px;
  text-align: center;
}

/* NAV */
nav {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  background: #333;
  padding: 10px;
}

nav a, nav button {
  color: white;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
}

/* KONTEJNER */
.container {
  display: flex;
  gap: 30px;        /* OVO približava div-ove */
  justify-content: center;
  padding: 30px;
  flex-wrap: wrap;
}

/* KARTICE */
.article {
  background: white;
  width: 420px;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  text-align: center;
}

.article img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 15px;
}

/* SEMESTRI */
.semestri {
  display: flex;
  gap: 15px;
  justify-content: space-between;
}

.semestar {
  width: 48%;
  text-align: left;
}

.mini-naslov {
  font-weight: bold;
  margin-bottom: 5px;
}

/* LINK */
.link {
  display: inline-block;
  margin-top: 10px;
  color: #ff6a00;
  font-weight: bold;
  text-decoration: none;
}

/* DARK MODE */
.dark-mode {
  background: #121212;
  color: #eee;
}

.dark-mode header {
  background: #222;
}

.dark-mode .article {
  background: #1e1e1e;
}