body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #333;
  line-height: 1.6;
}

.modern-header {
  background: #fff;
  color: #111;
}

.hero-wrapper {
  position: relative;
  overflow: hidden;
}

.hero {
  width: 100%;
  height: 45vh;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
}

.site-title {
  color: #fff;
  font-size: 2.5rem;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.main-nav {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.main-nav li {
  margin: 0;
}


.main-nav a {
  display: block;
  padding: 1rem 1.5rem;
  color: #111;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: #0070f3;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.galerie {
  max-width: 100%;
  height: auto;
  margin: 10px 0 20px;
}

.modern-footer {
  text-align: center;
  padding: 2rem;
  background: #111;
  color: #eee;
  font-size: 0.9em;
}

.modern-footer a {
  color: #fff;
  text-decoration: none;
}

.ruzova { color: #ed497b; }
.zluta { color: #e2cf00; }
.zelena { color: #93bd33; }
.modra { color: #3393bd; }