body {
  background-color: #1e1e2f;
  /* font-family: sans-serif; */
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0px;
}

header {
  background-color: rgba(0, 0, 0, 0);
  padding: 10px 10px;
  border-radius: 10px;
  margin: 10px;
}

h1 {
  margin: 0;
  font-size: 30px;
  color: #0a3f5e;
}

p {
  color: #c9c9c9;
  margin-bottom: 0;
  line-height: 0.6;
}

a {
  color: #ffc107;
  text-decoration: none;
  transition: color 0.2s ease, box-shadow 0.2s ease;
}

a:hover {
  color: #60A5FA;
  text-shadow: 0 0 6px rgba(59,130,246,0.45);
}

.logo {
  font-size: 28px;
  font-weight: bold;
  padding-right: 100px;
  margin: 0;
}

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #3B82F6;
  transition: color 0.2s;
}

.logo a:hover {
  color: #60A5FA;
  text-shadow: 0 0 3px rgba(59,130,246,0.45);
}

h2 {
  color: #00bcd4;
}

h3 {
  color: #c9c9c9;
  font-size: 18px;
}

.menu {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 10px 0 0 0;
}

.menu li a {
  text-decoration: none;
  color: #3B82F6;
  font-weight: bold;
}

.head {
  background-color: #252535;
  margin-top: 0;
  display: flex;
  align-items: center;
  border-radius: 10px;
  padding: 20px;
  gap: 12px;
  flex: 1 1 300px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

main {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  padding: 20px;
  margin-top: 0;
  padding-top: 10px;
}

.post {
  background-color: #252535;
  border-radius: 10px;
  margin-bottom: 10px;;
  padding: 20px;
  flex: 1 1 300px;
  position: relative;
  max-width: 600px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.download {
  background-color: #2C2C73;
  border-radius: 10px;
  margin-bottom: 10px;
  padding: 20px;
  flex: 1 1 300px;
  max-width: 1000px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

details {
  cursor: pointer;
  font-size: 18px;
  margin-bottom: 10px;
}

.download-btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #0288d1;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.3s;
}

.download-btn:hover {
  background-color: #0277bd;
}

a.download-btn1 {
  position: absolute;
  bottom: 15px;
  left: 15px;
}

summary {
  color: #c9c9c9;
}

small.version {
  position: fixed;
  bottom: 10px;
  right: 10px;
  z-index: 10;
  color: #143665;
}

small.version:hover {
  color: #1A4279;
  text-shadow: 0 0 3px rgba(32, 82, 150, 0.45);
}

li.infoUp {
  color: #c9c9c9;
}

.contact {
  background-color: #252535;
  border-radius: 10px;
  padding: 20px;
  flex: 0 1 600px;
  box-sizing: border-box;
  /* flex-basis: 100%; */
  margin-top: 0;
  text-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-break {
  flex-basis: 100%;
  height: 0;
}

img {
  width: 100%;
  max-width: 50%;
  height: auto;
  border-radius: 10px;
}

img.logo {
  width: 120px;
  height: auto;
  border-radius: 10px;
  margin-right: 10px;
}

p.copy {
  color: #87CEEB;
  opacity: 0.85;
  text-shadow: 0 0 6px rgba(135, 206, 235, 0.35);
}

img.logo-post {
  width: 40px;
  height: auto;
}

@media (max-width: 600px) {
  .menu {
    flex-direction: column;
    gap: 10px;
  }
  h1 {
    font-size: 24px;
  }
  a.download-btn1 {
    position: static;
    display: inline-block;
    margin-top: 10px;
  }
  .contact {
    flex-basis: 100%;
  }
  .contact p {
    line-height: 1.5;
    margin: 10px 0;
  }
}