.site-header {
  background: var(--primary);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 999;
}

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

.logo img {
  height: auto;
  width: 306px;
  max-width: 100%;
  display: block;
}

.nav .menu {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav .menu li {
  position: relative;
}

.nav .menu a {
  font-family: var(--font-heading);
  color: var(--white);
  font-weight: 500;
  line-height: 24px;
  padding: 12px 0;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.arrow-icon {
  font-size: 18px;
  display: none;
  transition: transform 0.3s ease;
}

.has-dropdown {
  padding: 10px 0;
}

.nav .menu a:hover {
  color: var(--yellow);
}

.has-dropdown:hover > a,
.has-dropdown.open > a {
  color: var(--yellow);
}

.nav .donate {
  padding: 12px 28px !important;
  background: var(--secondary);
  color: var(--white);
  cursor: pointer;
  border-radius: 8px;
  justify-content: center;
}

.has-dropdown:hover > a.donate,
.has-dropdown.open > a.donate {
  background: var(--yellow);
  color: var(--white);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  border-radius: 12px;
  background: var(--secondary);
  min-width: 180px;
  padding: 15px 12px;
  display: none;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.dropdown li a {
  padding: 5px 0 !important;
  white-space: nowrap;
}

.has-dropdown:hover .dropdown {
  display: block;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white, var(--white));
  transition: all 0.3s ease;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: var(--yellow);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: var(--yellow);
}

@media (max-width: 900px) {
  .site-header {
    padding: 24px 0;
  }

  .logo img {
    width: 200px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary);
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  .nav.active {
    display: block;
  }

  .nav .menu {
    flex-direction: column;
    gap: 0;
    padding: 20px;
    align-items: stretch;
  }

  .nav .menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
  }

  .nav .menu li:last-child {
    border-bottom: none;
  }

  .nav .menu li:last-child a {
    margin: 0;
  }

  .nav .menu a {
    padding: 15px 10px;
    color: var(--white);
    justify-content: space-between;
  }

  .arrow-icon {
    display: inline-block;
  }

  .has-dropdown {
    padding: 0;
  }

  .has-dropdown.open .arrow-icon {
    transform: rotate(180deg);
  }

  .dropdown {
    position: relative;
    top: 0;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin: 5px 10px 15px 10px;
    padding: 10px 15px;
  }

  .dropdown li {
    border-bottom: none !important;
  }

  .dropdown li a {
    padding: 10px 0 !important;
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
  }

  .nav .donate {
    text-align: center;
    margin: 15px 10px;
    padding: 12px !important;
  }

  .has-dropdown:hover .dropdown {
    display: none;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }
}