body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f8fbff;
  color: #333;
  scroll-behavior: smooth;
}

header {
  background-color: #1976d2;
  color: white;
  text-align: center;
  padding: 20px 10px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid white;
  margin-bottom: 10px;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
  transition: opacity 0.3s;
}
nav a:hover {
  opacity: 0.8;
}

section {
  padding: 50px 20px;
  max-width: 800px;
  margin: 0 auto;
}

section h2 {
  color: #1976d2;
  border-bottom: 2px solid #1976d2;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

footer {
  text-align: center;
  background-color: #1976d2;
  color: white;
  padding: 15px;
  margin-top: 30px;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

#posts {
  display: grid;
  gap: 15px;
}

.post {
  background: white;
  border-left: 4px solid #1976d2;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.post h3 {
  margin-top: 0;
  color: #1976d2;
}