/* Header styles */
header {
  background-color: #164145;
  color: #99cad0;
  padding: 1rem 0rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

nav {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 68px;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  justify-content: flex-end;
  gap: 0rem;
  align-items: center;
}

.nav-menu li a {
  font-size: 1.3rem;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 1rem;
}

.nav-menu li a:hover {
  color: #ffffff;
}

/* Hamburger menu - hidden by default */
.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 0;
  width: 32px;
  height: 24px;
  position: relative;
}

.hamburger span {
  position: absolute;
  left: 2px;
  width: 28px;
  height: 3px;
  background-color: #99cad0;
  transition: all 0.3s ease;
  border-radius: 2px;
  transform-origin: center;
}

.hamburger span:nth-child(1) {
  top: 2px;
}

.hamburger span:nth-child(2) {
  top: 10px;
}

.hamburger span:nth-child(3) {
  top: 18px;
}

.hamburger:hover span {
  background-color: #ffffff;
}

/* Mobile styles */
@media (max-width: 576px) {
  header {
    padding: 0.75rem 1rem;
  }

  nav {
    padding: 0 0.5rem;
  }

  .logo img {
    height: 50px;
  }

  .hamburger {
    display: flex;
    z-index: 101;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: #164145;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
  }

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

  .nav-menu li a {
    font-size: 1.5rem;
    padding: 1rem 2rem;
  }
}