@font-face {
  font-family: 'Lato';
  src: url('fonts/lato-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Lato';
  src: url('fonts/lato-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-color: #121212;
  --text-color: #E0E0E0;
  --accent-color: #3279c0;
  --secondary-text: #BBBBBB;
  --border-color: #333333;
  --hover-color: #64AFFF;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Lato', sans-serif;
  line-height: 1.5;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 2rem 1rem;
  text-align: center;
}

img.avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 3px solid var(--accent-color);
  object-fit: cover;
  margin-bottom: 1rem;
}

h1 {
  font-weight: 700;
  margin: 0.2rem 0;
  font-size: 2.5rem;
}

p.slogan {
  font-weight: 400;
  color: var(--secondary-text);
  margin-top: 0;
  margin-bottom: 2rem;
  font-size: 1.25rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  font-size: 2rem;
}

.social-icons a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-icons a:hover,
.social-icons a:focus {
  color: var(--hover-color);
  outline: none;
}

.social-icons a:focus-visible {
  outline: 3px solid var(--hover-color);
  outline-offset: 4px;
  border-radius: 4px;
}

footer {
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--secondary-text);
  text-align: center;
}

footer a {
  color: var(--accent-color);
  text-decoration: underline;
  margin: 0 0.5rem;
}

footer a:hover,
footer a:focus {
  text-decoration: underline !important;
  outline: none;
}

/* Responsive Anpassungen */

@media (max-width: 400px) {
  body.index h1 {
    font-size: 2rem;
  }
  p.slogan {
    font-size: 1rem;
  }
  .social-icons {
    font-size: 1.5rem;
    gap: 1rem;
  }
  img.avatar {
    width: 120px;
    height: 120px;
  }
}

/* Optimierung für Querformat am Smartphone */

@media screen and (max-height: 450px) and (orientation: landscape) {
  body {
    padding: 1rem;
    height: auto;
  }

  img.avatar {
    max-height: 30vh;
    width: auto;
    height: auto;
  }
}