body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 800px;
  margin: auto;
}
.intro {
  margin-bottom: 20px;
}
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.tab-button {
  padding: 10px 20px;
  border: none;
  background: #ddd;
  cursor: pointer;
}
.tab-button.active {
  background: #333;
  color: white;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}
.card {
  background: white;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.content-item h2 {
  border-bottom: 2px solid #42a5f5;
  padding-bottom: 5px;
  margin-top: 30px;
  color: #2c3e50;
}
.about-me {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.about-me h1 {
  font-size: 2.2em;
  margin-bottom: 10px;
  color: #2c3e50;
}

.about-me p {
  font-size: 1.1em;
  color: #555;
  margin-bottom: 20px;
}

.about-section {
  margin-bottom: 25px;
}

.about-section h2 {
  font-size: 1.4em;
  color: #2c3e50;
  margin-bottom: 10px;
}

.about-section ul {
  padding-left: 20px;
  color: #444;
}

.skill {
  margin-bottom: 12px;
}

.skill span {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
  color: #444;
}

.bar {
  height: 10px;
  background: #ddd;
  border-radius: 6px;
  overflow: hidden;
}

.bar div {
  height: 100%;
  background: #42a5f5;
  border-radius: 6px;
}