body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f7f6;
  margin: 0;
  padding: 0;
  color: #333333;
}
.header {
  background-color: #2c3e50;
  color: #ffffff;
  padding: 30px 20px;
  text-align: center;
}
.header h1 {
  margin: 0;
  font-size: 28px;
}
.header p {
  margin: 10px 0 0 0;
  font-size: 18px;
  color: #bdc3c7;
}
.nav {
  background-color: #34495e;
  padding: 15px;
  text-align: center;
}
.nav a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 20px;
  font-weight: bold;
  font-size: 16px;
}
.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 0 20px;
}
.section-title {
  text-align: center;
  color: #2c3e50;
  margin: 40px 0 30px 0;
  font-size: 24px;
  border-bottom: 2px solid #bdc3c7;
  padding-bottom: 10px;
}
.grid {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.card {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
  width: 250px;
  text-align: center;
}
.card-icon {
  font-size: 45px;
  margin-bottom: 15px;
}
.card-value {
  font-size: 28px;
  font-weight: bold;
  margin: 10px 0;
}
.project-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
  width: calc(50% - 30px);
  min-width: 300px;
  text-align: left;
}
.project-card h3 {
  color: #2980b9;
  margin-top: 0;
}
.center-card {
  margin: auto;
  text-align: center;
}
.footer {
  text-align: center;
  padding: 20px;
  background: #ecf0f1;
  margin-top: 50px;
  color: #7f8c8d;
}
@media (max-width: 768px) {
  .nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  .nav a {
    margin: 0;
  }
  .project-card,
  .card {
    width: 100%;
    min-width: 100%;
  }
}
.kontak-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.foto {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid white;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.info-kontak {
  text-align: center;
}

@media (min-width: 768px) {
  .kontak-card {
    flex-direction: row;
    justify-content: center;
  }

  .info-kontak {
    text-align: left;
  }
}