body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background 0.5s;
  position: relative;
  z-index: 1;
}

/* Nền động particles */
#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #141E30, #243B55);
  z-index: -1;
}

.profile-card {
  display: flex;
  flex-direction: row;
  width: 900px;
  height: 600px;
  background: #2c3e50;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  animation: fadeIn 1s ease-out;
  overflow: hidden;
  color: #ecf0f1;
}

/* LEFT PANEL */
.left-panel {
  flex: 1;
  background: #34495e;
  padding: 30px 20px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 4px solid #2980b9;
}

.left-panel h1 {
  margin: 10px 0 5px;
  font-size: 24px;
  color: #ecf0f1;
}

.left-panel p {
  color: #bdc3c7;
  font-size: 16px;
  margin-bottom: 20px;
}

.links button {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  background: #2980b9;
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

.links button:hover {
  background: #3498db;
}

/* RIGHT PANEL */
.right-panel {
  flex: 2;
  padding: 25px 30px;
  overflow-y: auto;
  color: #ecf0f1;
}

/* Custom scrollbar */
.right-panel::-webkit-scrollbar {
  width: 8px;
}

.right-panel::-webkit-scrollbar-thumb {
  background-color: #2980b9;
  border-radius: 10px;
}

.right-panel h2,
.right-panel h3 {
  color: #3498db;
  margin-top: 20px;
}

.right-panel ul {
  padding-left: 20px;
  list-style: disc;
}

.right-panel li {
  margin-bottom: 10px;
  color: #bdc3c7;
}

.right-panel p {
  color: #bdc3c7;
  line-height: 1.6;
  margin-bottom: 15px;
}
.project h4 {
  margin-top: 15px;
  font-size: 18px;
  color: #1abc9c;
}

.project ul {
  padding-left: 20px;
  margin-top: -15px;
  margin-bottom: 15px;
  list-style: disc;
}

.project li {
  margin-bottom: 8px;
  color: #bdc3c7;
}


/* Animation xuất hiện */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}