body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f0f2f5;
  color: #2c3e50;
  line-height: 1.6;
}

.wrapper {
  display: flex; 
  max-width: 1100px;
  margin: 40px auto; 
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  min-height: 100vh;
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
}

.sidebar {
  background-color: #1e272e; 
  color: #ffffff;
  padding: 50px 30px;
  width: 320px;
  flex-shrink: 0; 
}

.main-content {
  padding: 60px 70px;
  flex-grow: 1; 
  background-color: #ffffff;
}

.my-photo {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 40px;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.my-photo:hover {
  filter: grayscale(0%);
}

h1 { 
  font-size: 48px; 
  margin-bottom: 10px; 
  color: #1e272e;
  font-weight: 800;
}

h2 { 
  font-size: 18px; 
  color: #3498db; 
  margin-top: 0; 
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

h3 { 
  text-transform: uppercase; 
  margin-top: 40px; 
  margin-bottom: 20px;
  color: #1e272e; 
  font-size: 16px;
  border-bottom: 2px solid #3498db;
  display: block;
  padding-bottom: 8px;
}

.sidebar h3 {
  color: #3498db;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

a {
  color: #3498db;
  text-decoration: none;
  font-weight: 500;
}

a:hover { 
  text-decoration: underline; 
}

ul {
  list-style: none;
  padding: 0;
}

li { 
  margin-bottom: 12px; 
}

.work-experience-place, .education-container {
  margin-bottom: 30px;
}

.work-experience-position {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 8px;
  color: #2c3e50;
}

@media (max-width: 850px) {
  .wrapper {
    flex-direction: column;
    margin: 0;
    border-radius: 0;
  }
  .sidebar {
    width: 100%;
    padding: 40px;
  }
  .main-content {
    padding: 40px;
  }
}