/**
 * ============================================================================
 * HEADER STYLES — Navigation, sticky header, mobile menu
 * ============================================================================
 *
 * Styles for:
 * 1. Announcement bar
 * 2. Main header bar (logo, nav, donate button)
 * 3. Desktop navigation with dropdowns
 * 4. Mobile hamburger button
 * 5. Mobile menu overlay
 * 6. Sticky header scroll state
 *
 * @package Oraculi
 * @since   1.0.0
 * ============================================================================
 */


/* =================================================================
   1. ANNOUNCEMENT BAR
   ================================================================= */

.announcement-bar {
    background-color: var(--color-maroon);
    color: var(--color-white);
    text-align: center;
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

.announcement-bar__link {
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: opacity var(--transition-fast);
}

.announcement-bar__link:hover {
    color: var(--color-white);
    opacity: 0.85;
}

.announcement-bar__text {
    margin: 0;
}


/* =================================================================
   2. MAIN HEADER BAR
   ================================================================= */

.site-header {
    background-color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-base),
                background-color var(--transition-base);
}

/* Scrolled state — adds shadow for depth (class toggled by JS) */
.site-header--scrolled {
    box-shadow: var(--shadow-md);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    gap: var(--space-xl);
}


/* =================================================================
   3. LOGO
   ================================================================= */

.site-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

/* Logo image (set in Customize → Site Identity) */
.site-header__logo img,
.site-header__logo .custom-logo {
    max-height: 120px; /* Large logo on the left */
    width: auto;
}

/* Text fallback when no logo image is set */
.site-header__site-name {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-maroon);
    letter-spacing: var(--tracking-tight);
}

/* =================================================================
   4. DESKTOP NAVIGATION
   ================================================================= */

.site-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* Top-level menu list */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Top-level menu items */
.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-black);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
    color: var(--color-dark-red);
}

/* Underline indicator on hover and active */
.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background-color: var(--color-burnt-orange);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: center;
}

.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after {
    transform: scaleX(1);
}

/* --- DROPDOWN MENUS --- */

/* Dropdown container */
.nav-menu > li > .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
    list-style: none;
}

/* Show dropdown on hover */
.nav-menu > li:hover > .sub-menu,
.nav-menu > li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown items */
.nav-menu .sub-menu li a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-menu .sub-menu li a:hover {
    background-color: var(--color-cream);
    color: var(--color-dark-red);
    border-left-color: var(--color-burnt-orange);
}


/* =================================================================
   5. DONATE BUTTON (Header)
   ================================================================= */

.site-header__donate {
    flex-shrink: 0;
}


/* =================================================================
   6. MOBILE HAMBURGER BUTTON
   ================================================================= */

.site-header__menu-toggle {
    display: none;              /* Hidden on desktop — shown via responsive.css */
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: calc(var(--z-modal) + 1);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.hamburger__line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-black);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

/* Animated X state when menu is open */
.site-header__menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(2) {
    opacity: 0;
}

.site-header__menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* =================================================================
   7. MOBILE MENU OVERLAY
   ================================================================= */

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;           /* Hidden off-screen to the right */
    width: 85%;
    max-width: 380px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: var(--z-modal);
    overflow-y: auto;
    transition: right var(--transition-smooth);
    box-shadow: var(--shadow-xl);
}

/* Open state */
.mobile-menu.is-open {
    right: 0;
}

.mobile-menu__inner {
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

/* Close button */
.mobile-menu__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-black);
    padding: var(--space-xs);
}

.mobile-menu__close:hover {
    color: var(--color-dark-red);
}

/* Mobile nav links */
.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
}

.mobile-nav-menu > li {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-menu > li > a {
    display: block;
    padding: var(--space-md) 0;
    font-family: var(--font-heading);
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--color-black);
}

.mobile-nav-menu > li > a:hover {
    color: var(--color-dark-red);
}

/* Mobile dropdown */
.mobile-nav-menu .sub-menu {
    list-style: none;
    padding: 0 0 var(--space-sm) var(--space-lg);
}

.mobile-nav-menu .sub-menu li a {
    display: block;
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    color: var(--color-dark-gray);
}

/* Mobile donate button */
.mobile-menu__donate {
    width: 100%;
    margin-bottom: var(--space-xl);
}

/* Mobile social icons */
.mobile-menu__social {
    justify-content: center;
}

/* Overlay behind mobile menu */
.mobile-menu__overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu__overlay.is-visible {
    opacity: 1;
    visibility: visible;
}


/* =================================================================
   8. SOCIAL ICONS (shared between header/footer)
   ================================================================= */

.social-icons {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.social-icons__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    color: var(--color-dark-gray);
    transition: all var(--transition-fast);
}

.social-icons__link:hover {
    color: var(--color-white);
    background-color: var(--color-burnt-orange);
    transform: translateY(-2px);
}