/* Header & Navigation Styles */

.site-header {
    background: linear-gradient(to bottom, var(--color-bg-secondary), rgba(0, 0, 0, 0.9));
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(10px);
}

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

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
}

.site-title a {
    color: var(--color-text-on-dark);
}

.site-description {
    display: none;
    /* Often hidden in headers, but available if needed */
}

/* Desktop Navigation */
.main-navigation ul {
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-navigation ul li {
    position: relative;
}

.main-navigation ul li a {
    color: var(--color-nav-default);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
    display: block;
}

.main-navigation ul li a:hover,
.main-navigation ul li.current-menu-item>a,
.main-navigation ul li.current_page_item>a {
    color: var(--color-nav-active);
}

/* Dropdown Menus */
.main-navigation ul ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-bg-secondary);
    min-width: 200px;
    padding: 0.5rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    flex-direction: column;
    gap: 0;
    z-index: 1100;
}

.main-navigation ul li:hover>ul,
.main-navigation ul li:focus-within>ul {
    display: block;
}

.main-navigation ul ul li a {
    padding: 0.75rem 1rem;
    color: var(--color-text-on-dark);
}

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

/* Mobile Toggle - Hidden by default on desktop */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-on-dark);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hide submenus by default */
.main-navigation .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(10, 15, 25, 0.95);
  min-width: 220px;
  padding: 0.5rem 0;
  z-index: 999;
}

/* Show submenu on hover (desktop) */
.main-navigation li:hover > .sub-menu {
  display: block;
}

/* Ensure proper positioning */
.main-navigation li {
  position: relative;
}