/**
 * Header Styles
 * Modern navigation with RTL support
 *
 * @package elegant
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    --header-height: 80px;
    --header-bg: transparent;
    --header-bg-scroll: rgba(26, 26, 26, 0.95);
    --header-text-color: #ffffff;
    --primary-color: #f5a623;
    --primary-hover: #e09000;
    --transition-speed: 0.3s;
    --font-family-ar: 'Readex Pro', 'Segoe UI', sans-serif;
}

/* ========================================
   Site Header
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--header-bg);
    transition: all var(--transition-speed) ease;
    height: var(--header-height);
}

.site-header.transparent {
    background: transparent;
}

.site-header.scrolled {
    background: var(--header-bg-scroll);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

/* Header Container */
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ========================================
   Logo
   ======================================== */
.site-logo {
    flex-shrink: 0;
}

.site-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo img {
    max-height: 80px;
    width: auto;
    transition: transform var(--transition-speed) ease;
    padding: 5px;
}

.site-logo:hover img {
    transform: scale(1.05);
}

.site-logo .site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--header-text-color);
    margin: 0;
    font-family: var(--font-family-ar);
}

/* ========================================
   Main Navigation
   ======================================== */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.main-navigation ul li a {
    display: block;
    padding: 10px 20px;
    color: var(--header-text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-family-ar);
    transition: all var(--transition-speed) ease;
    position: relative;
}

.main-navigation ul li a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 30px;
    height: 2px;
    background: var(--primary-color);
    transition: transform var(--transition-speed) ease;
}

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

.main-navigation ul li a:hover::after,
.main-navigation ul li.current-menu-item a::after {
    transform: translateX(-50%) scaleX(1);
}

/* Dropdown Menu */
.main-navigation ul li ul.sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(10px);
    min-width: 200px;
    padding: 15px 0;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.main-navigation ul li:hover ul.sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.main-navigation ul li ul.sub-menu li a {
    padding: 10px 25px;
    font-size: 0.95rem;
}

.main-navigation ul li ul.sub-menu li a::after {
    display: none;
}

/* ========================================
   Contact Button
   ======================================== */
.header-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--primary-color);
    color: #1a1a1a;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-family-ar);
    border-radius: 50px;
    transition: all var(--transition-speed) ease;
    border: none;
    cursor: pointer;
}

.header-contact-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 166, 35, 0.4);
}

.header-contact-btn i {
    font-size: 0.9rem;
}

/* ========================================
   Mobile Menu Toggle
   ======================================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    gap: 6px;
    border-radius: 8px;
    transition: background var(--transition-speed) ease;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--header-text-color);
    transition: all var(--transition-speed) ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Mobile Navigation - Slide Down
   ======================================== */
.mobile-navigation {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    z-index: 999;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s ease;
    box-shadow: none;
}

.mobile-navigation.active {
    max-height: calc(100vh - var(--header-height));
    padding: 20px 30px 30px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scroll on iOS */
    overscroll-behavior: contain; /* Prevent scroll chaining */
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.mobile-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-navigation ul li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-navigation.active ul li {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation for menu items */
.mobile-navigation.active ul li:nth-child(1) { transition-delay: 0.1s; }
.mobile-navigation.active ul li:nth-child(2) { transition-delay: 0.15s; }
.mobile-navigation.active ul li:nth-child(3) { transition-delay: 0.2s; }
.mobile-navigation.active ul li:nth-child(4) { transition-delay: 0.25s; }
.mobile-navigation.active ul li:nth-child(5) { transition-delay: 0.3s; }
.mobile-navigation.active ul li:nth-child(6) { transition-delay: 0.35s; }
.mobile-navigation.active ul li:nth-child(7) { transition-delay: 0.4s; }
.mobile-navigation.active ul li:nth-child(8) { transition-delay: 0.45s; }

.mobile-navigation ul li:last-child {
    border-bottom: none;
}

.mobile-navigation ul li a {
    display: block;
    padding: 18px 0;
    color: var(--header-text-color);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    font-family: var(--font-family-ar);
    transition: color var(--transition-speed) ease,
                padding-right var(--transition-speed) ease;
    position: relative;
}

.mobile-navigation ul li a::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--primary-color);
    border-radius: 3px;
    transition: height var(--transition-speed) ease;
}

.mobile-navigation ul li a:hover,
.mobile-navigation ul li.current-menu-item a {
    color: var(--primary-color);
    padding-right: 15px;
}

.mobile-navigation ul li a:hover::before,
.mobile-navigation ul li.current-menu-item a::before {
    height: 20px;
}

/* Sub Menu in Mobile */
.mobile-navigation ul li ul.sub-menu {
    padding-right: 20px;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-navigation ul li ul.sub-menu li {
    border-bottom: none;
}

.mobile-navigation ul li ul.sub-menu li a {
    font-size: 1rem;
    padding: 12px 0;
    color: rgba(255, 255, 255, 0.7);
}

.mobile-navigation ul li ul.sub-menu li a:hover {
    color: var(--primary-color);
}

/* Mobile Contact Button */
.mobile-navigation .mobile-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 30px;
    margin-top: 25px;
    background: var(--primary-color);
    color: #1a1a1a;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-family-ar);
    border-radius: 50px;
    transition: all var(--transition-speed) ease;
    opacity: 0;
    transform: translateY(-10px);
}

.mobile-navigation.active .mobile-contact-btn {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.mobile-navigation .mobile-contact-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

/* ========================================
   Header Actions (Desktop)
   ======================================== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: max-content;
}

/* ========================================
   RTL Support
   ======================================== */
[dir="rtl"] .header-container {
    flex-direction: row-reverse;
}

[dir="rtl"] .main-navigation ul {
    flex-direction: row-reverse;
}

[dir="rtl"] .header-actions {
    flex-direction: row-reverse;
}

[dir="rtl"] .mobile-navigation ul li a::before {
    right: auto;
    left: 0;
}

[dir="rtl"] .mobile-navigation ul li a:hover,
[dir="rtl"] .mobile-navigation ul li.current-menu-item a {
    padding-right: 0;
    padding-left: 15px;
}

[dir="rtl"] .mobile-navigation ul li ul.sub-menu {
    padding-right: 0;
    padding-left: 20px;
}

[dir="rtl"] .main-navigation ul li ul.sub-menu {
    left: auto;
    right: 50%;
    transform: translateX(50%) translateY(10px);
}

[dir="rtl"] .main-navigation ul li:hover ul.sub-menu {
    transform: translateX(50%) translateY(0);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .main-navigation {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions .header-contact-btn {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .header-container {
        padding: 0 20px;
    }
    
    .site-logo img {
        max-height: 50px;
    }
    
    .mobile-navigation ul li a {
        font-size: 1.1rem;
        padding: 15px 0;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 60px;
    }
    
    .header-container {
        padding: 0 15px;
    }
    
    .site-logo img {
        max-height: 68px;
    }
    
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
    }
    
    .mobile-menu-toggle span {
        width: 22px;
    }
}

/* ========================================
   Accessibility
   ======================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #1a1a1a;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    z-index: 10000;
    transition: top var(--transition-speed) ease;
}

.skip-link:focus {
    top: 0;
}

/* Screen Reader Text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}