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

body
{
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: #313131;
  color: #f5f5f5;
}

header
{
  background-color: #1f1f1f;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 17px 310px;
}

header .logo
{
  height: 45px;
  transition: 0.3s ease;
}

header .logo:hover
{
  filter: drop-shadow(0 0 3px #ffffff);
}

header nav ul
{
  list-style: none;
  display: flex;
  gap: 17px;
}

header nav a
{
  text-decoration: none;
  color: #ffd857;
  padding: 10px 15px;
  border-radius: 7px;
  transition: 0.3s ease;
}

header nav a:hover,
header nav a.active-link
{
  color: #555555;
}

footer
{
  background-color: #1f1f1f;
  color: #aaaaaa;
}

.footer-content
{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 30px 310px;
}

.footer-section .about-us
{
  font-size: 14px;
  line-height: 1.6;
  margin-top: 10px;
  max-width: 470px;
}

.footer-bottom
{
  text-align: center;
  padding: 20px;
  border-top: 1px solid #555;
  margin: 0 310px;
}

.footer-bottom p
{
  font-size: 14px;
  color: #aaaaaa;
}

.footer-section .logo
{
  height: 45px;
  margin-bottom: 10px;
  transition: 0.3s ease;
}

.footer-section .logo:hover
{
  filter: drop-shadow(0 0 3px #ffffff);
}

.footer-section h4
{
  color: #ffffff;
  margin-bottom: 15px;
}

.footer-section ul
{
  list-style: none;
}

.footer-section a
{
  text-decoration: none;
  color: #aaaaaa;
  display: inline-block;
  margin-bottom: 5px;
  transition: 0.3s;
}

.footer-section a:hover
{
  color: #ffffff;
}

.footer-section.social a img
{
  height: 30px;
  margin-right: 10px;
  transition: 0.3s;
}

.footer-section.social a img:hover
{
  filter: drop-shadow(0 0 2px #ffffff);
}

.usluge
{
  margin-left: 310px;
  margin-right: 310px;
}

#o-nama
{
  margin-top: 30px;
}

h2
{
  color: #ffd857;
  margin-top: 60px;
  padding-bottom: 15px;
  font-size: 27px;
  padding-left: 25px;
  transform-origin: left;
  transition: transform 0.3s ease-in-out;
}

main p
{
  line-height: 1.7;
  margin-bottom: 1.5em;
  background-color: #1f1f1f;
  border-radius: 20px;
  padding: 15px 23px 20px 20px;
  text-align: justify;
}

.slider-container
{
  position: relative;
  overflow: hidden;
  height: 600px;
  margin: 50px 310px;
}

.slider-wrapper
{
  display: flex;
  height: 100%;
  justify-content: center;
  align-items: center;
}

.slider-item
{
  position: absolute;
  height: 100%;
  width: 800px;
  border-radius: 15px;
  overflow: hidden;
}

.slider-item img
{
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 15px;
}

.slider-item:not(.active)
{
  filter: brightness(40%);
}

.slider-item.hidden
{
  display: none;
}

.slider-item.prev2,
.slider-item.next2 {
    width: calc(800px - 40px);
    height: calc(100% - 40px);
}

.slider-item.prev1,
.slider-item.next1 {
    width: calc(800px - 20px);
    height: calc(100% - 20px);
}

.slider-item.prev2
{
  left: 0;
  top: 20px;
  z-index: 5;
}
.slider-item.prev1
{
  left: 120px;
  top: 10px;
  z-index: 6;
}
.slider-item.active
{
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}
.slider-item.next1
{
  right: 120px;
  top: 10px;
  z-index: 6;
}
.slider-item.next2
{
  right: 0;
  top: 20px;
  z-index: 5;
}

.slider-nav button
{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 2rem;
  color: #ffd857;
  cursor: pointer;
  z-index: 20;
  transition: color 0.3s ease-in-out;
  background-color: rgba(155, 155, 155, 0.7);
  padding: 10px 20px 15px 20px;
  transition: background-color 0.3s ease;
}

.slider-nav button:hover
{
  background-color: rgba(216, 216, 216, 0.7);
}

#prevBtn
{
  left: 0;
  border-radius: 0 10px 10px 0;
}

#nextBtn
{
  right: 0;
  border-radius: 10px 0 0 10px;
}

.slider-dots
{
  text-align: center;
  position: absolute;
  left: 50%;
  bottom: 17px;
  z-index: 17;
  transform: translateX(-50%);
}

.dot
{
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #888;
  border-radius: 50%;
  margin: 0 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.dot.active, .dot:hover
{
  background-color: white;
}

.hamburger-menu
{
  display: none;
  margin-right: 20px;
  font-size: 55px;
  color: #ffd857;
  cursor: pointer;
  transition: 0.3s;
}

.hamburger-menu:hover
{
  color: #ffffff;
}

.side-menu
{
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100%;
  background-color: #1f1f1f;
  padding-top: 60px;
  z-index: 200;
  transition: right 0.4s ease;
  box-shadow: -2px 0 5px rgba(0,0,0,0.5);
}

.side-menu.active
{
  right: 0;
}

.side-menu ul
{
  list-style: none;
  padding: 0;
  margin: 0;
}

.side-menu li {
  margin-top: 130px;
  margin-bottom: 80px;
  text-align: center;
}

.side-menu a
{
  padding: 15px 25px;
  text-decoration: none;
  color: #ffd857 !important;
  font-size: 2.7rem;
  display: block;
  transition: 0.3s;
}

.side-menu a:hover
{
  background-color: #333;
}

.close-side-menu-btn
{
  position: absolute;
  top: 15px;
  right: 25px !important;
  font-size: 100px !important;
  color: #ffffff !important;
  cursor: pointer;
}

.hide-on-mobile {
    display: block;
}

.hide-on-desktop {
    display: none;
}

@media (max-width: 1024px) {
    header {
        height: 150px;
        padding: 0 20px !important;
    }

    header .logo {
        height: 90px !important;
    }

    header nav {
        display: none;
    }

    header .desktop-nav {
        display: none;
    }

    .hamburger-menu {
        display: block;
    }
    
    .usluge {
        margin: 0 20px !important;
    }

    h2 {
        font-size: 45px;
        padding-left: 10px !important;
    }

    main p {
        padding: 25px !important;
        font-size: 25px;
    }

    .slider-container {
        height: 700px !important;
        margin: 70px 20px !important;
    }

    .slider-item {
        width: 100% !important;
        height: 100% !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    
    .slider-item:not(.active) {
        display: none !important;
    }

    .slider-nav button {
        background-color: transparent !important;
    }

    .hide-on-mobile {
        display: none !important;
    }

    .hide-on-desktop {
        display: flex !important;
    }
    
    .footer-content {
        flex-direction: column;
        padding: 30px 20px !important;
    }

    .footer-mobile-header {
        justify-content: space-between;
        align-items: center;
        width: 100%;
        margin-bottom: 30px;
    }

    .footer-mobile-header .logo {
        height: 110px !important;
        margin-left: 20px;
    }

    .social-mobile img {
        height: 80px;
        margin-left: 15px;
        margin-right: 60px;
    }

    .footer-mobile-contact {
        justify-content: flex-start;
        width: 100%;
        gap: 0px;
        margin-bottom: 20px;
    }

    .footer-mobile-contact .footer-section {
        width: 50%;
    }

    .footer-mobile-contact .footer-section:first-child {
        margin-right: -40px;
    }

    .footer-mobile-contact .footer-section h4 {
        margin-top: 30px;
        font-size: 45px;
        margin-left: 20px;
    }

    .footer-mobile-contact .footer-section ul,
    .footer-mobile-contact .footer-section p {
        font-size: 40px;
        line-height: 1.5;
        padding: 20px 0;
    }

    .footer-section a {
        margin-left: 20px;
        padding: 20px 0;
        font-size: 44px;
    }
    
    .footer-bottom p {
      font-size: 30px;
      margin-top: 10px;
      margin-bottom: 25px;
    }

    #copyright-text {
    font-size: 10px !important;
    }
}