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

/* ====================================
   BODY
==================================== */
body {
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2937;
  line-height: 1.6;

  background: linear-gradient(
          135deg,
          #eef2ff,
          #f8fafc
  );

  min-height: 100vh;

  /* sorgt dafür, dass Footer unten bleibt */
  display: flex;
  flex-direction: column;
}

/* ====================================
   NAVIGATION
==================================== */
nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;

  padding: 1.5rem;

  background: white;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

nav div a {
  display: block;
  text-decoration: none;

  background: #2563eb;
  color: white;

  padding: 0.9rem 1.4rem;

  border-radius: 30px;

  font-weight: bold;

  transition: all 0.3s ease;
}

nav div a:hover,
nav div a:focus {
  background: #1d4ed8;
  transform: translateY(-2px);

  outline: 3px solid #f59e0b;
  outline-offset: 2px;
}

/* ====================================
   MAIN
==================================== */
main {
  flex: 1;

  max-width: 900px;
  margin: 3rem auto;
  padding: 2rem;

  background: white;

  border-radius: 20px;

  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* ====================================
   ÜBERSCHRIFT
==================================== */
h1 {
  text-align: center;
  color: #1e3a8a;
  margin-bottom: 2rem;

  font-size: 2.2rem;
}

/* ====================================
   BILD
==================================== */
img {
  display: block;
  margin: 0 auto 2rem auto;

  max-width: 100%;
  height: auto;

  border-radius: 15px;
}

/* ====================================
   TEXT
==================================== */
p {
  font-size: 1.05rem;
}

/* ====================================
   FOOTER
==================================== */
footer {
  background: #1e293b;

  padding: 1.5rem;

  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

footer a {
  color: white;
  text-decoration: none;
}

footer a:hover,
footer a:focus {
  text-decoration: underline;

  outline: 2px solid white;
  outline-offset: 2px;
}

/* ====================================
   RESPONSIVE TABLET
==================================== */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: center;
  }

  main {
    margin: 1rem;
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.8rem;
  }
}

/* ====================================
   RESPONSIVE HANDY
==================================== */
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  nav div a {
    width: 100%;
    text-align: center;
  }

  footer {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}