/* Algemene reset en basis */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body {
  line-height: 1.6;
  background-color: #FFD700;
  color: #333;
}

/* Container max-width */
main, footer, header {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background-color: #002646;
  border-bottom: 2px solid #eaeaea;
}

header img {
  height: 60px;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

header nav ul li a {
  text-decoration: none;
  color: #f9f9f9;
  font-weight: bold;
}

header nav ul li a:hover {
  color: #0077cc;
}

label {
  display: block;
  font:
    1rem "Fira Sans",
    sans-serif;
    color: #f9f9f9;
}

input,
label {
  margin: 0.4rem 0;
}

/* Hero afbeelding bovenaan */
.hero {
  background: url('https://walksinamsterdam.nl/wp-content/uploads/2024/08/embassy-of-the-free-mind-Amsterdam.jpg') center/cover no-repeat;
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.slideshow {
  position: relative;
  width: 100%;
  height: 100%;
}

.slideshow img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: slideAnimation 12s infinite;
}

/* Elke afbeelding start op een ander tijdstip */
.slideshow img:nth-child(1) {
  animation-delay: 0s;
}
.slideshow img:nth-child(2) {
  animation-delay: 4s;
}
.slideshow img:nth-child(3) {
  animation-delay: 8s;
}

/* Animatie */
@keyframes slideAnimation {
  0% { opacity: 0; }
  8% { opacity: 1; }
  33% { opacity: 1; }
  41% { opacity: 0; }
  100% { opacity: 0; }
}

.hero-text {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: white;
  text-shadow: 0 0 10px rgba(0,0,0,0.7);
}

/* Cards container */
.cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  padding: 40px 0;
}

/* Kaarten */
.card {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  padding: 20px;
  width: 100%;
  max-width: 300px;
  flex: 1 1 300px; /* Flex-grow, flex-shrink, basis */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 12px;
}

.card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 12px 20px rgba(0,0,0,0.15);
}

.cards-container h2 {
  width: 100%;
  margin-bottom: 20px;
  text-align: center;
}

/* Footer */
footer {
  background-color: #002646;;
  color: #fff;
  padding: 40px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

footer ul li a {
  text-decoration: none;
  color: #fff;
}

footer ul li a:hover {
  color: #0077cc;
}

footer section {
  flex: 1 1 200px;
}

footer h3 {
  margin-bottom: 10px;
}

/* Subscribe form */
footer form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

footer input[type="email"] {
  padding: 8px;
  border-radius: 6px;
  border: none;
}

.social-buttons {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

.social-buttons a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  transition: background-color 0.3s;
}

.social-buttons a.facebook { background-color: #3b5998; }
.social-buttons a.instagram { background-color: #e4405f; }
.social-buttons a.youtube { background-color: #ff0000; }

.social-buttons a:hover {
  opacity: 0.8;
}

/* Media Queries voor mobiel */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  header nav ul {
    flex-direction: column;
    gap: 10px;
  }

  .cards-container {
    flex-direction: column;
    padding: 20px 0;
  }

  footer {
    flex-direction: column;
    gap: 30px;
  }

  footer section {
    flex: 1 1 100%;
  }
}

/* Responsive */
@media (min-width: 481px) {
  nav {
    flex-direction: row;
    gap: 0.5rem;
  }

  nav button {
    width: auto;
  }
}

@media (min-width: 769px) {
  section img {
    width: 70%;
  }
}