:root {
  --black: #000000;
  --whiteblue: #f8feff;
  --lightblue: #b7d3fa;
  --darkblue: #5069ad;
  --background-color: #b9defa;
  --yellow: black;
  --default: "Source Code Pro", monospace;
}

/* Default css reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: var(--background-color);
}

/* Slider CSS */
/* Placere slideren in midden via display grid og place items center. */
.slider-container {
  display: grid;
  place-items: center;
  height: 450px;
  /* transform-style: preserve-3d bruges i forbindelse med 3D-transformering for at angive,
hvordan et element og dets børn skal renderes i en 3D-omgivelse */
  transform-style: preserve-3d;
}
.box {
  /* Posistion relativ, så .box span's posistion absolute holder sig inde for .box's dimensioner. */
  position: relative;
  width: 200px;
  height: 200px;
  transform-style: preserve-3d;
  transition: 1s;
  /* transform perspective 1000px, giver den 3d plads. rotateY(0deg) sætter et starts punkt
læs videre i js/script.js */
  transform: perspective(1000px) rotateY(0deg);
  margin-top: 40px;
}
.box span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform-origin: center;
  /* Se Javascript. Men her er css'en som får javascript slideren til at fungere. */
  transform: rotateY(calc(var(--i) * 45deg)) translateZ(300px);
  /* Desværre virker det her ikke i firefox. Men det giver reflections effekten. */
  -webkit-box-reflect: below 0px
    linear-gradient(transparent, transparent, #0004);
}
/* Definere pladsen for billederne i slideren */
.box span img {
  position: absolute;
  border-radius: 2%;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
}
/* knapperne som er under slideren. */
.btns {
  box-sizing: border-box;
  display: flex;
  bottom: 10px;
  gap: 30px;
}
.btns .btn {
  position: relative;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
/* Her brugere jeg css pseudo elementer til at lave knapperne. */
/* Jeg kunne også snildt have brugt font awesome, men jeg synes det var en fed øvelse at */
/* lave iconerne selv. */
.btns .btn::before {
  /* uden content: ""; bliver de ikke defineret */
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  /* Her bliver de lavet */
  border-top: 3px solid var(--black);
  border-right: 3px solid var(--black);
  transform: rotate(45deg);
}
/* Her drejer jeg blot en af knapperne */
.btns .btn.prev::before {
  transform: rotate(225deg);
}
/* javascript slider css stopper her. */

/* Navigations css starter her */
nav {
  position: relative;
  background-color: var(--darkblue);
  height: 170px;
  padding: 25px 0;
}
.icon-container {
  position: absolute;
  right: 3.5%;
  top: 5px;
}
.icon-container i {
  color: var(--whiteblue);
  display: inline-block;
  font-size: 25px;
  padding: 20px;
}
.icon-container i:hover {
  color: var(--yellow);
}
nav h2 {
  position: absolute;
  font-family: var(--default);
  left: 13%;
  top: 10px;
  font-size: 50px;
  text-decoration: none;
  color: var(--whiteblue);
}
nav h2:hover {
  color: var(--yellow);
}
.nav-links {
  width: 100%;
  margin: auto;
}
.nav-links ul {
  text-align: right;
  margin: 0;
  margin-right: 30px;
  padding: 50px 0;
}
.nav-links ul li {
  display: inline-block;
  float: none;
  margin-top: 10px;
  font-family: var(--default);
  font-size: 17px;
}
.nav-links ul li:nth-child(1),
.nav-links ul li:nth-child(2) {
  float: left;
  margin-left: 5.5%;
}
.nav-links ul li:nth-child(3),
.nav-links ul li:nth-child(4) {
  margin-right: 5.5%;
}
.nav-links ul li a {
  margin: 0 25px;
  text-decoration: none;
  color: var(--whiteblue);
}
.nav-links ul li a:hover {
  color: var(--yellow);
}
.logo {
  width: 120px;
  height: 120px;
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
}
.logo img {
  width: 100%;
  z-index: 2;
  filter: invert(100%) sepia(14%) saturate(5156%) hue-rotate(177deg)
    brightness(102%) contrast(108%);
}
.logo img:hover {
  filter: invert(91%) sepia(87%) saturate(701%) hue-rotate(326deg)
    brightness(91%) contrast(94%);
}
.line {
  width: 45%;
  position: relative;
  position: absolute;
  height: 2px;
  margin-top: 50px;
  left: 0;
  z-index: 0;
  background-color: var(--whiteblue);
}
.right-line {
  width: 45%;
  position: absolute;
  height: 2px;
  margin-top: 50px;
  right: 0;
  z-index: 0;
  background-color: var(--whiteblue);
}
.index-news {
  width: 70%;
  margin: 0 auto;
  margin-bottom: 20px;
}
.index-news h2 {
  font-family: var(--default);
  color: var(--yellow);
  margin-bottom: 20px;
}

.items h3 {
  font-family: var(--default);
  color: var(--black);
  padding: 10px;
}
.items p {
  font-family: var(--default);
  color: var(--black);
  padding: 10px;
  line-height: 1.5;
}
.index-news .grid-container {
  display: grid;
  max-height: 100%;
  max-width: 100%;
  /* grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 2fr; */
  gap: 20px;
}
.items {
  border: 1px solid var(--background-color);
  border-radius: 5px;
  background-color: var(--lightblue);
  transition: 0.2s;
}
.items img {
  width: 100%;
  height: auto;
}
.items:hover {
  transform: scale(1.03);
  transition: 0.2s;
  box-shadow: 14px 13px 26px -12px rgba(0, 0, 0, 0.62);
}
.item1 {
  grid-row: 1;
  grid-column: 1;
}
.item2 {
  grid-row: 1;
  grid-column: 2;
}
.item3 {
  grid-row: span 2;
  grid-column: 3;
  transition: 0.2s;
}
.item4 {
  grid-row: 2;
  grid-column: span 2;
  transition: 0.2s;
  display: grid;
}
.item4 img {
  max-width: 100%;
  height: 100%;
  grid-column: 1;
}
.item4 .item4-content {
  grid-column: 2;
}
footer {
  background-color: var(--lightblue);
  width: 100%;
  height: 110px;
}
#footer-bottom {
  position: absolute;
  padding: 20px;
  bottom: 0;
}
.footer-container {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
}
.footer-details {
  font-family: var(--default);
}
.footer-details h3 {
  font-size: 20px;
}
.footer-details ul li {
  font-size: 17px;
}
.social-container {
  font-size: 30px;
  display: flex;
  justify-content: center;
}
.social-container i {
  padding: 10px;
}
.license {
  text-align: right;
}

@media only screen and (max-width: 600px) {
  .item1 {
    grid-row: 1;
    grid-column: 1;
  }
  .item2 {
    grid-row: 2;
    grid-column: 1;
  }
  .item3 {
    grid-row: 3;
    grid-column: 1;
  }
  .item4 {
    grid-row: 4;
    grid-column: 1;
  }
}