/*
 * Header Styles
 * 
 * @package Viva_Magenta_V1
 */

.site-header {
  background-color: var(--background-light);
  box-shadow: var(--shadow-light);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.site-logo {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-weight: 500;
  color: var(--text-dark);
  padding: 10px 0;
  transition: var(--transition);
}

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

.nav-menu a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--background-light);
  box-shadow: var(--shadow-medium);
  border-radius: var(--border-radius);
  padding: 15px 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
}

.sub-menu li {
  padding: 0;
}

.sub-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--text-dark);
}

.sub-menu a:hover {
  background-color: var(--background-gray);
  color: var(--primary-color);
}

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

.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition);
}

/* --- NEW: Mobile / responsive navigation behaviour --- */
@media (max-width: 900px) {
  .mobile-menu-toggle { display:flex; }
  .nav-menu-wrapper { 
    position: absolute; 
    top: 100%; 
    left: 0; right: 0; 
    background: var(--background-light); 
    padding: 20px 25px; 
    box-shadow: var(--shadow-medium); 
    display: none; 
  }
  .main-navigation.menu-open .nav-menu-wrapper { display:block; animation: fadeDown .25s ease; }
  .nav-menu { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .nav-menu a { width:100%; }
  /* Submenus become accordion style */
  .sub-menu { 
    position: static; top:auto; left:auto; 
    background: none; box-shadow: none; border-radius:0; 
    padding: 0 0 0 15px; min-width: 0; 
    opacity:1; visibility:visible; transform:none; 
    display:none; 
  }
  .menu-item-has-children.open > .sub-menu { display:block; }
  .menu-item-has-children > a::after { content:'▾'; font-size:.75em; margin-left:6px; }
}
@keyframes fadeDown { from { opacity:0; transform: translateY(-8px);} to { opacity:1; transform: translateY(0);} }