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

body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.7;
  padding: 1.5rem 1rem 3rem;
}

/* HEADER */
header {
  text-align: center;
  padding-bottom: 2rem;
  border-bottom: 2px solid #f44336;
  margin-bottom: 2rem;
}

header img {
  width: 120px;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 4px #f44336);
}

h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #f44336;
  text-shadow: 0 0 8px #f44336cc;
  margin-bottom: 0.3rem;
}

header p {
  font-style: italic;
  font-weight: 500;
  color: #bbb;
  font-size: 1.1rem;
}

/* NAVIGATION */
nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.6rem 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #333;
}

nav a {
  color: #f44336;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s ease;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background-color: #f44336;
  transition: width 0.3s ease;
}

nav a:hover,
nav a:focus {
  color: #ff6659;
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

/* MAIN CONTENT */
main section {
  margin-bottom: 3.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #333;
}

h2 {
  font-weight: 700;
  font-size: 1.9rem;
  color: #f44336;
  margin-bottom: 1rem;
  border-bottom: 3px solid #f44336;
  padding-bottom: 0.4rem;
}

p {
  margin-bottom: 1.1rem;
  font-size: 1.05rem;
  color: #d7d7d7;
}

a {
  color: #f44336;
  text-decoration: none;
  font-weight: 600;
}

a:hover,
a:focus {
  text-decoration: underline;
  color: #ff6659;
}

blockquote {
  border-left: 5px solid #f44336;
  padding-left: 1.2rem;
  margin: 1.8rem 0;
  font-style: italic;
  color: #bbb;
  background-color: #2a2a2a;
  border-radius: 4px;
  box-shadow: 1px 1px 5px #f4433680;
}

ul {
  margin-left: 1.8rem;
  list-style-type: disc;
  color: #ccc;
  font-size: 1.05rem;
}

strong {
  color: #f44336;
}

/* FOOTER */
footer {
  text-align: center;
  padding-top: 2rem;
  border-top: 2px solid #333;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.4;
  user-select: none;
}

/* Responsive */
@media (max-width: 480px) {
  body {
    padding: 1rem 0.8rem 2rem;
  }
  h1 {
    font-size: 2rem;
  }
  nav {
    gap: 1rem 1.5rem;
  }
  nav a {
    font-size: 1rem;
  }
  h2 {
    font-size: 1.5rem;
  }
}