/* Algemene stijlen */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 16px;
}

/* Header stijlen */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: #222;
  color: #fff;
}

h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 1px;
}

nav ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  list-style: none;
}

nav li {
  margin-left: 1.5rem;
}

nav a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  letter-spacing: 1px;
}

nav a:hover {
  border-bottom: 2px solid #fff;
}

/* Hero stijlen */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80vh;
  background-color: #333;
  color: #fff;
}

.hero-text {
  text-align: center;
}

h2 {
  margin-top: 0;
  font-size: 3rem;
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 2rem;
  background-color: #fff;
  color: #333;
  border: none;
  border-radius: 5px;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Diensten stijlen */
.services {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #fff;
}

.services h2 {
  margin-top: 0;
}

.services li {
  margin-top: 2rem;
  font-size: 1.2rem;
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.services li i {
  margin-right: 1rem;
  font-size: 2rem;
}

/* Portfolio stijlen */
.portfolio {
  padding: 4rem 2rem;
  text-align: center;
}

.portfolio h2 {
  margin-top: 0;
}

.portfolio p {
  margin-top: 2rem;
}

.portfolio-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.portfolio-items img {
  width: 100%;
  height: auto;
}

/* Over stijlen */
.about {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #fff;
}

.about h2 {
  margin-top: 0;
}

.about p {
  margin-top: 2rem;
}

/* Footer stijlen */
footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: center;
  padding: 2rem;
  background-color: #222;
  color: #fff;
}

footer p {
  margin: 0;
}

/* Contact stijlen */
.contact {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #fff;
}

.contact h2 {
  margin-top: 0;
}

.contact p {
  margin-top: 2rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.form-group textarea {
  height: 150px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #333;
}

.form-group button {
  padding: 1rem 2rem;
  background-color: #333;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-group button:hover {
  background-color: #fff;
  color: #333;
}

/* Media queries */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav li {
    margin-top: 1rem;
    margin-left: 0;
  }

  .hero {
    height: 60vh;
  }

  .hero-text {
    max-width: 80%;
  }

  .services {
    padding: 2rem;
  }

  .portfolio-items {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .contact-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.5rem;
  }

  nav a {
    font-size: 0.9rem;
  }

  .hero-text {
    max-width: 100%;
  }

  .btn {
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
  }

  .services li {
    font-size: 1rem;
  }

  .about p {
    font-size: 1rem;
  }

  .form-group input,
  .form-group textarea {
    font-size: 1rem;
  }

  .form-group button {
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
  }
}