/* Reset základních marginů/paddingů */
body, h1, h2, h3, p, ul, li, dl, dt, dd {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, sans-serif;
  font-size: 17px;  
  line-height: 1.7;
  color: #222;
  background-color: #fff;
  padding: 0 1rem;
  max-width: 900px;
  margin: auto;
}

hr {
  height: 6px;
  color: #DDD;
  background-color: #DDD;
  border: none;
}

/* Hlavička */
header {
  text-align: center;
  margin: 3rem 0 2rem;
}

header h1 {
  font-size: 2.5rem;
  color: #00957d;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.1rem;
  font-style: italic;
  color: #555;
  margin-bottom: 20px;
}

/* Navigace */
nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

nav a {
  text-decoration: none;
  color: #00957d;
  font-weight: bold;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

nav a:hover {
  border-color: #00957d;
}

/* Sekce */
main section {
  margin: 3rem 0;
}

main section:last-of-type {
  border-bottom: none;
}

article {
  margin-bottom: 2rem;
}

h2 {
  color: #00957d;
  margin-bottom: 2rem;
  font-size: 1.6rem;
  border-left: 6px solid #00957d;
  padding-left: 1rem; /* širší mezera od proužku */
}

h3 {
  margin: 1.5rem 0 0.5rem;
  color: #333;
}

ul {
  list-style-type: square;
  margin-left: 1.5rem;
}

li {
  margin-bottom: 0.75rem;
  margin-right: 0.5rem;
  text-align: justify;
}

dl {
  margin: 1.5rem 0;
}

dt {
  margin: 0 0.5rem 0.25rem 0rem;
  font-weight: bold;
  color: #444;
}

dd {
  margin: 0 0.5rem 1rem 1rem;
  color: #444;
  text-align: justify;
}

/* Zápatí */
footer {
  text-align: center;
  margin: 4rem 0 4rem;
  font-size: 1.2rem;
  color: #555;
}

footer a {
  color: #00957d;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsivita */
@media (max-width: 600px) {
 
  header h1 {
    font-size: 2rem;
  }
}