main.css

html {
  scroll-behavior: smooth;
}

body {
  margin: 0px;
  padding: 0px;
  font-family: Calibri, sans-serif;
}

.header {
  border-bottom: 4px solid #dc0101;
  background-color: #fefefe;
}

.column {
  width: 1000px;
  margin: 0px auto;
}

.page .column {
  height: 100vh;
}

#logo-i-social {
  display: flex;
}

#logo-holder {
  flex-grow: 1;
}

#logo-holder img {
  margin: 5px;
  height: 50px;
}

#social-holder {
  flex-grow: 1;
  text-align: right;
}

#social-holder a {
  text-decoration: none;
}

#social-holder a img {
  margin: 5px;
  height: 24px;
  width: 24px;
}

#main-menu {
  display: flex;
}

#main-menu a {
  flex-grow: 1;
  text-align: center;
  display: block;
  padding: 10px 0;
  text-decoration: none;
  color: #dc0101;
  transition: 300ms;
}

#main-menu a:hover,
#main-menu a:active {
  color: #fff;
  background: #dc0101;
}

#pocetna {
  text-align: center;
  color: #fff;
  background: url('img/bg01.jpg');
  background-size: cover;
  background-attachment: fixed;
}

#pocetna h1 {
  font-size: 72px;
  margin-top: 0px;
  padding-top: calc(50vh - 250px);
}

.dark-box {
  border: 1px solid #fff;
  background-color: #33333350;
  font-size: 24px;
  padding: 40px;
}

#o-nama h2 {
  padding-top: 150px;
}

#usluge {
  text-align: center;
  color: #fff;
  background: url('img/bg02.jpg');
  background-size: cover;
  background-attachment: fixed;
}

#karijera {
  /* text-align: center; */
  /* color: #fff; */
  background: url('img/bg03.jpg');
  background-size: cover;
  background-attachment: fixed;
}

.krugovi {
  display: flex;
  margin: 30px 0;
}

.krug-holder {
  flex-grow: 1;
  text-align: center;
}

.krug {
  background: #dc0101;
  color: #fff;
  font-size: 48px;
  font-weight: bold;
  display: inline-block;
  padding: 25%;
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

.oznaka {
  font-size: 24px;
  font-weight: bold;
  margin-top: 10px;
}

.tehnologije {
  display: flex;
  margin: 30px 0;
}

.tehnologija {
  flex-grow: 1;
  text-align: center;
}

.tehnologija img {
  width: 48px;
  height: 48px;
}

.tehnoligija p {
  font-weight: bold;
}

.usluge {
  color: #fff;
}

#usluge h2 {
  padding-top: 240px;
}

.service-row {
  display: flex;
  margin-bottom: 40px;
  justify-content: space-between;
}

.service-row > div {
  text-align: center;
  position: relative;
  width: 300px;
  height: 150px;
  border: 1px solid #fff;
}

.service-row > div > img {
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  height: 150px;
  width: 300px;
}

.service-row > div > p {
  position: absolute;
  left: 0px;
  right: 0px;
  bottom: 0px;
  padding: 10px;
  background-color: #ffffffc2;
  margin-bottom: 0px;
  color: #000;
  font-weight: bold;
  border-top: 1px solid #fff;
}

#proizvodi h2 {
  padding-top: 50px;
  text-align: center;
}

.matrica {
  margin-top: 40px;
  height: 500px;
  display: grid;
  grid-template:
    'a b c'
    'd b e'
    'f f g';
  align-content: space-between;
  justify-content: space-between;
}

#proizvod-a {
  grid-area: a;
}

#proizvod-b {
  grid-area: b;
}

#proizvod-c {
  grid-area: c;
}

#proizvod-d {
  grid-area: d;
}

#proizvod-e {
  grid-area: e;
}

#proizvod-f {
  grid-area: f;
}

#proizvod-g {
  grid-area: g;
}

.proizvod {
  display: grid;
  grid-template: 'region';
  align-content: stretch;
  justify-content: stretch;
}

.proizvod img {
  grid-area: region;
  justify-self: stretch;
  align-self: stretch;
}

.proizvod .text-holder {
  grid-area: region;
  justify-self: stretch;
  align-self: stretch;
  display: grid;
  align-content: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  background-color: #dc0101dd;
  color: #fff;
  opacity: 0;
  transition: 500ms;
}

.proizvod:hover .text-holder {
  opacity: 1;
}

#karijera h2 {
  padding-top: 50px;
  text-align: center;
  color: #fff;
}

.career-columns {
  display: flex;
}

.job-list {
  flex-grow: 1;
  flex-basis: 0;
}

.job-descriptions {
  flex-grow: 2;
  flex-basis: 0;
}

.job-list label {
  display: block;
  margin-bottom: 10px;
  border: 1px solid #fff;
  background-color: #ffffffc0;
  padding: 10px;
  font-weight: bold;
  font-size: 20px;
}

.job-descriptions input {
  display: none;
}

.job-descriptions .job-description {
  display: none;
}

.job-descriptions input:checked + .job-description {
  display: block;
}

.job-description {
  margin-left: 10px;
  border: 1px solid #fff;
  background-color: #ffffffc0;
  padding: 10px;
  font-size: 20px;
}

#kontakt h2 {
  margin-top: 80px;
  margin-bottom: 40px;
  text-align: center;
}

.kontakt-region {
  display: grid;
  grid-template:
    'adrese mapa'
    'mejlovi mapa';
  grid-template-columns: 300px 1fr;
}

.kontakt-adrese {
  grid-area: adrese;
  padding-bottom: 15px;
  font-size: 14px;
}

.kontakt-mejlovi {
  grid-area: mejlovi;
  font-size: 14px;
}

.kontakt-mapa {
  grid-area: mapa;
}

.footer {
  border-top: 3px solid #dc0101;
  background-color: #fefefe;
  font-size: 13px;
}

.footer > .column {
  display: flex;
}

.footer .footer-column {
  flex-grow: 1;
  flex-basis: 0;
  padding-top: 20px;
  padding-bottom: 50px;
}

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

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

.align-right {
  text-align: right;
}

.red-link {
  text-decoration: none;
  color: #dc0101;
}

.red-link:hover {
  text-decoration: underline;
}