/* Header styles */
header {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

header.scrolled {
  padding: 0.5rem 0;
  background-color: #4CAF50;
  backdrop-filter: blur(10px);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-image {
  width: 60px;
  height: 60px;
  border-radius: 5%;
}

.logo h1 {
  font-size: 2rem;
  font-weight: bold;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  position: relative;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--primary-dark);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile menu button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Footer */
footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-section {
  flex: 1;
  min-width: 250px;
  margin-bottom: 1.5rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--primary-light);
}

.footer-section img {
  width: 120px;
  height: 120px;
  border: 2px solid var(--primary-light);
  border-radius: 5px;
}

.footer-nav {
  margin-top: 1.5rem;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.footer-nav ul li {
  margin-bottom: 0.5rem;
}

.footer-nav ul li a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
  display: block;
  padding: 0.5rem;
  text-align: center;
  border-radius: 4px;
}

.footer-nav ul li a:hover {
  color: var(--primary-light);
  background-color: rgba(46, 204, 113, 0.1);
}

/* QR Codes section */
.qr-codes {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  justify-content: center;
}

.qr-code-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.qr-code-item img {
  width: 150px;
  height: 150px;
  border: 2px solid var(--primary-light);
  border-radius: 10px;
}

.qr-code-item p {
  margin: 0;
  font-size: 1rem;
  color: var(--white);
}

.copyright {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid #555;
  font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .logo h1 {
    font-size: 1.2rem;
    font-weight: bold;
  }

  header .container {
    flex-direction: column;
  }

  .menu-toggle {
    display: block;
    position: absolute;
    top: 1.8rem;
    right: 1rem;
  }

  nav ul {
    margin-top: 1rem;
    flex-direction: column;
    width: 100%;
    background-color: rgba(46, 204, 113, 0.95);
    border-radius: 5px;
    padding: 1rem;
    display: none;
  }

  nav ul.show {
    display: flex;
  }

  nav ul li {
    margin: 0.5rem 0;
    text-align: center;
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
  }

  .footer-section {
    margin-bottom: 1.5rem;
    text-align: center;
  }
  
  .qr-code-item {
    justify-content: center;
  }
  
  .qr-codes {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .qr-code-item img {
    width: 120px;
    height: 120px;
  }
}