@import url('https://fonts.googleapis.com/css?family=Rubik:400,700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #0dabfa;
  margin-top: 20px;
  margin-bottom: 5px;
}

body {
  font-family: 'Rubik', sans-serif;
  background: linear-gradient(135deg, #1a2238 0%, #283e51 100%);
  color: #e0e6f7;
  padding: 20px;
}

.grid-container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 24px;
  background: rgba(24, 34, 56, 0.97);
  box-shadow: 0 4px 32px rgba(20,30,60,0.25);
  border: 4px solid #283e51;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "banner banner"
    "titel titel"
    "fotos uitleg"
    "video links"
    "footer footer";
  grid-gap: 32px;
}

.banner {
  grid-area: banner;
  position: relative;
  height: 260px;
  margin-bottom: 18px;
  background: linear-gradient(90deg, #387796 0%, #2b3b67 100%);
  overflow: hidden;
  padding: 0 40px;
  box-shadow: 0 4px 24px rgba(20,30,60,0.18);
}

.banner img {
  position: absolute;
  width: 240px;
  height: 160px;
  object-fit: cover;
  border: 4px solid #283e51;
  box-shadow: 0 2px 18px 2px #0a0f1c, 0 0 24px 4px #3b5bdb55;
  left: 50%;
  transform: translateX(-50%);
}

.img1 { z-index: 4; top: 45px; margin-left: -340px; }
.img2 { z-index: 3; top: 30px; margin-left: -120px; }
.img3 { z-index: 2; top: 60px; margin-left: 170px; }
.img4 { z-index: 1; top: 35px; margin-left: 340px; }

.titel {
  grid-area: titel;
  font-size: 2.3rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #0dabfa;
  letter-spacing: 1px;
  text-align: center;
  text-shadow: 0 2px 8px #0a0f1c;
}

.fotos {
  grid-area: fotos;
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: stretch;
  justify-content: center;
  height: 100%;
}

.fotos img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  aspect-ratio: 16/9;
  margin: 0;
  box-shadow: 0 2px 16px #1a2238cc;
  border: 2px solid #283e51;
  background: #232e4c;
  display: block;
  object-fit: cover;
}

.uitleg {
  grid-area: uitleg;
  background: rgba(34, 44, 80, 0.92);
  box-shadow: 0 2px 12px #1a2238cc;
  padding: 18px;
  margin-bottom: 10px;
  border: 1.5px solid #3b5bdb;
}

.uitleg h2, .uitleg h3 {
  color: #0dabfa;
  text-shadow: 0 2px 8px #0a0f1c;
}

.uitleg p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #e0e6f7;
}

.video {
  grid-area: video;
  background: rgba(34, 44, 80, 0.92);
  box-shadow: 0 2px 12px #1a2238cc;
  padding: 18px;
  margin-bottom: 10px;
  border: 1.5px solid #3b5bdb;
}

.video iframe {
  border: none;
  box-shadow: 0 2px 12px #0a0f1c;
}

.links {
  grid-area: links;
  background: rgba(34, 44, 80, 0.92);
  box-shadow: 0 2px 12px #1a2238cc;
  padding: 18px;
  margin-bottom: 10px;
  border: 1.5px solid #3b5bdb;
}

.links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 0;
  margin: 0;
  height: 100%;
}

.links li {
  background: rgba(24,34,56,0.7);
  padding: 12px 18px;
  border-left: 3px solid #3b5bdb;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  margin: 0;
}

.links li:hover {
  background: rgba(61, 90, 150, 0.85);
}

.links a {
  color: #7eaaff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s, text-shadow 0.2s;
  text-shadow: 0 2px 8px #0a0f1c;
  display: block;
}

.links a:hover {
  color: #fff;
  text-shadow: 0 0 12px #3b5bdb, 0 2px 8px #0a0f1c;
}

footer {
  grid-area: footer;
  text-align: center;
  color: #b7c0e6;
  font-size: 1rem;
  background-color: #232e4c;
  border: 1.5px solid #3b5bdb;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}

@media screen and (max-width: 1100px) {
  .grid-container {
    grid-template-columns: 1fr;
    grid-template-areas:
      "banner"
      "titel"
      "fotos"
      "uitleg"
      "video"
      "links"
      "footer";
    padding: 12px;
    grid-gap: 18px;
  }
  .banner {
    height: 140px;
    padding: 0 10px;
  }
  .banner img {
    width: 110px;
    height: 70px;
  }
  .img1 { top: 30px; margin-left: -150px; }
  .img2 { top: 20px; margin-left: -55px; }
  .img3 { top: 40px; margin-left: 95px; }
  .img4 { top: 20px; margin-left: 150px; }
}

@media screen and (max-width: 600px) {
  .grid-container {
    padding: 6px;
    grid-gap: 12px;
  }
  .titel {
    font-size: 1.3rem;
  }
  .banner {
    height: 70px;
    padding: 0 2px;
  }
  .banner img {
    width: 55px;
    height: 35px;
  }
  .img1 { top: 10px; margin-left: -75px; }
  .img2 { top: 5px; margin-left: -30px; }
  .img3 { top: 20px; margin-left: 50px; }
  .img4 { top: 10px; margin-left: 75px; }
}