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

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

.site-header {
  background: white;
  border-bottom: 1px solid #ccc;
  position: relative;
  z-index: 1000;
  height: 80px;
  margin-top: 10px;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4em 1em; 
  width: 100%;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  padding-left: 550px; 
  gap: 20px;
}

.nav-menu a {
  text-decoration: none;
  color: black;
  font-weight: 600;
  padding: 0.5em 0;
  transition: color 0.3s;
  margin-top:10px;
}

.nav-menu a:hover {
  color: #61dafb;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: black;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1002;
  padding: 0.5rem;
  transition: transform 0.3s ease;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
  }

  .nav-menu.active + .mobile-menu-btn {
    color: white;
  }

  .nav-menu {
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -200%;
    width: 70%;
    height: 100vh;
    background: #282c34;
    padding-top: 4em;
    align-items: flex-start;
    padding-left: 2em;
    z-index: 1001;
  }

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

  .nav-menu a {
    color: white;
    width: 100%;
    padding: 1em 0;
    border-bottom: 1px solid #444;
  }
}

@media (max-width: 480px) {
  .mobile-menu-btn {
    right: 1rem;
    font-size: 1.3rem;
  }
}