body {
  font-family: "DM Sans", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  text-align: center;
  color: #1a73e8;
  font-size: 2.5rem;
  border-bottom: 4px solid #1a73e8;
  display: inline-block;
  padding-bottom: 10px;
  margin-bottom: 40px;
  text-transform: uppercase;
}

.content {
  display: flex;
  gap: 30px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.main-section {
  flex: 3;
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease-in-out;
}

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

.main-title {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #1a73e8;
  text-transform: capitalize;
  border-bottom: 2px solid #1a73e8;
  padding-bottom: 5px;
}

.main-description {
  margin-bottom: 25px;
  font-size: 1.1rem;
  color: #555;
}

.requirements h3,
.stack h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #333;
  font-weight: 600;
}

ul {
  list-style: disc;
  margin: 10px 0;
  padding-left: 20px;
}

ul li {
  font-size: 1rem;
  margin-bottom: 8px;
}

.sidebar {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar > div {
  background: #f0f8ff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease-in-out;
}

.sidebar > div:hover {
  transform: translateY(-10px);
}

.sidebar h3 {
  font-size: 1.3rem;
  color: #1a73e8;
  margin-bottom: 15px;
}

.contacts ul,
.offers ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contacts li,
.offers li {
  margin: 12px 0;
  color: #333;
  font-size: 1.1rem;
}

a {
  text-decoration: none;
  color: #ffffff;
  background: #1a73e8;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1.1rem;
  display: inline-block;
  margin-top: 20px;
  transition: background 0.3s ease;
}

a:hover {
  background: #155c8a;
}

@media (max-width: 768px) {
  .content {
    flex-direction: column;
    align-items: center;
  }

  .main-section {
    margin-bottom: 30px;
  }
}