* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
  color: white;
}

.profile-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
}

.main-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h2 {
  color: #667eea;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.tech-tag {
  background: #667eea;
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.social-link {
  background: #667eea;
  color: white;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  border-radius: 25px;
  transition: background 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-link:hover {
  background: #5a6fd8;
}

.article-link {
  display: block;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 1.5rem;
  text-decoration: none;
  border-radius: 10px;
  margin-top: 1rem;
  transition: transform 0.3s ease;
}

.article-link:hover {
  transform: scale(1.02);
}

.article-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.article-description {
  opacity: 0.9;
}

footer {
  text-align: center;
  color: white;
  opacity: 0.8;
  margin-top: 3rem;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .main-content {
    grid-template-columns: 1fr;
  }
}