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

body {
  font-family: Arial, sans-serif;
}

.highlight {
  color: deepskyblue !important;
  font-weight: bold;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  flex-wrap: wrap;
}

.logo {
  height: 60px;
  margin: 0 auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 15px;
  position: relative;
  width: 100%;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
  padding: 0;
}

.nav-links li {
  position: relative;
}

.nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  padding: 8px;
  display: block;
  font-size: 0.9rem;
}

.nav-links li a:hover {
  color: #007bff;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  border: 1px solid #ddd;
  list-style: none;
  padding: 0;
  min-width: 150px;
  z-index: 10;
}

.dropdown-menu li a {
  padding: 10px 15px;
  color: #333;
}

.dropdown-menu li a:hover {
  background-color: #f0f0f0;
  color: #007bff;
}

.nav-links li:hover .dropdown-menu {
  display: block;
}

.nadpis {
  background: linear-gradient(to right, #00b8d4, #00838f);
  width: 100%;
  padding: 20px 0;
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nadpisPartner {
  text-align: center;
  width: 100%;
  font-size: 28px;
  font-weight: bold;
}

.partners {
  text-align: center;
  padding: 0;
  width: 100%;
}

.partners p {
  font-size: 1rem;
  margin-bottom: 30px;
  color: #555;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.partner-item {
  background: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  aspect-ratio: 1 / 1;
  border: 1px solid #ddd;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  padding: 20px;
}

.partner-item:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.partner-item img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.partner-item:hover img {
  filter: grayscale(0%);
}

/* Small devices (landscape phones) */
@media (min-width: 576px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .nadpisPartner {
    font-size: 32px;
  }
}

/* Medium devices (tablets) */
@media (min-width: 768px) {
  .navbar {
    flex-wrap: nowrap;
  }

  .logo {
    height: 75px;
    margin: 0;
  }

  .nav-links {
    width: auto;
    margin-top: 0;
    gap: 20px;
    justify-content: flex-end;
  }

  .nav-links li a {
    padding: 10px;
    font-size: 1rem;
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }

  .nadpis {
    padding: 25px 0;
  }

  .nadpisPartner {
    font-size: 36px;
  }

  .partner-item {
    padding: 25px;
  }
}

/* Large devices (desktops) */
@media (min-width: 992px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }

  .nadpis {
    padding: 30px 0;
  }

  .nadpisPartner {
    font-size: 40px;
  }

  .partner-item {
    padding: 30px;
  }

  .partner-item img {
    max-width: 85%;
    max-height: 85%;
  }
}

/* Extra large devices */
@media (min-width: 1200px) {
  .partners-grid {
    gap: 40px;
  }

  .partner-item {
    padding: 35px;
  }

  .partner-item img {
    max-width: 90%;
    max-height: 90%;
  }
}

/* Footer styles */
.footer {
  width: 100%;
  background-color: #000;
  color: #fff;
  border-top: 1px solid #333;
  bottom: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.footer-section {
  margin-bottom: 0px;
}

.footer-heading {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 0px;
  color: #fff;
}

.footer-text {
  font-size: 14px;
  color: #ccc;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color 0.2s;
}

.social-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.social-icon {
  width: 20px;
  height: 20px;
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #333;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.copyright {
  font-size: 14px;
  color: #aaa;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .copyright {
    margin-bottom: 0;
  }
}

.footer-policies {
  display: flex;
  gap: 16px;
}

.footer-policies a {
  font-size: 14px;
  color: #aaa;
  text-decoration: none;
}

.footer-policies a:hover {
  text-decoration: underline;
  color: #fff;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main{
  flex: 1 0 auto;
}

.footer{
  flex-shrink: 0;
}