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

body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f7fa;
  color: #333;
  line-height: 1.6;
}

.hero {
  background: linear-gradient(135deg, #007bff, #6610f2);
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 3rem;
}

.hero h1 span {
  color: #ffdd57;
}

.hero p {
  font-size: 1.2rem;
  margin: 10px 0;
}

.btn {
  background: #fff;
  color: #007bff;
  padding: 10px 20px;
  margin-top: 15px;
  display: inline-block;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}

section {
  max-width: 1100px;
  margin: 50px auto;
  padding: 20px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  color: #007bff;
  font-size: 2rem;
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.skill {
  background: #fff;
  padding: 15px;
  border-radius: 10px;
  width: 120px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.skill:hover {
  transform: translateY(-10px);
}

.skill i {
  font-size: 2rem;
  color: #007bff;
}

.timeline {
  border-left: 4px solid #007bff;
  margin: 20px;
  padding-left: 20px;
  text-align: left;
}

.timeline-item {
  margin-bottom: 20px;
}

.timeline-item h3 {
  color: #333;
}

.projects-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.project-card {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  width: 300px;
  text-align: left;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.certifications-list {
  list-style: none;
  text-align: left;
  max-width: 600px;
  margin: auto;
}

.certifications-list li {
  margin: 10px 0;
  font-size: 1.1rem;
}

.certifications-list i {
  color: #007bff;
  margin-right: 10px;
}

#contact a {
  color: #007bff;
  text-decoration: none;
}

footer {
  background: #222;
  color: white;
  padding: 15px;
  text-align: center;
  margin-top: 30px;
}