* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

header {
  background: #512bd4;
  color: #fff;
  padding: 2rem;
  text-align: center;
}

header h1 {
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1rem;
}

main {
  padding: 2rem;
  max-width: 1000px;
  margin: auto;
}

section {
  margin-bottom: 3rem;
}

h2 {
  color: #512bd4;
  margin-bottom: 1rem;
}

.about-cta {
  margin-top: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  margin-right: 1rem;
  background-color: #512bd4;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background-color: #341c8c;
  transform: translateY(-2px);
}

.btn-cv {
  background-color: #28a745;
}

.btn-cv:hover {
  background-color: #1e7e34;
}

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

.card {
  flex: 1 1 calc(25% - 20px);
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background-color: #fff;
  min-width: 250px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card a {
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
  color: #fff;
  background: #512bd4;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background 0.3s;
}

.card a:hover {
  background: #341c8c;
}

footer {
  text-align: center;
  padding: 2rem;
  background: #eee;
}

footer a {
  color: #512bd4;
  text-decoration: none;
}

@media (max-width: 768px) {
  .card {
    flex: 1 1 calc(50% - 20px);
  }
}

@media (max-width: 480px) {
  .card {
    flex: 1 1 100%;
  }
}