/* ==========================================================================
   INOVA Energy - Mobile Menu Styles
   Modern, Professional, RTL-Optimized Mobile Navigation
   ========================================================================== */

/* --- CSS Custom Properties --- */
:root {
    /* Mobile Menu Z-Index */
    --z-mobile-overlay: 1100;
    --z-mobile-container: 1110;
    
    /* Mobile Menu Colors */
    --mobile-bg: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--primary-color) 100%);
    --mobile-backdrop: rgba(0, 0, 0, 0.6);
    --mobile-text: rgba(255, 255, 255, 0.95);
    --mobile-accent: rgba(255, 255, 255, 0.1);
    --mobile-hover: rgba(255, 255, 255, 0.15);
    
    /* Mobile Menu Dimensions */
    --mobile-width: min(350px, 90vw);
    --mobile-padding: 1.5rem;
    --mobile-header-height: 80px;
    
    /* Mobile Menu Animations */
    --mobile-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --mobile-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* --- Mobile Menu Overlay --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-mobile-overlay);
    visibility: hidden;
    opacity: 0;
    transition: all var(--mobile-transition);
    pointer-events: none;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    display: block;
}

.mobile-menu-overlay.active {
    visibility: visible;
    opacity: 1;
    pointer-events: all;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* --- Mobile Menu Backdrop --- */
.mobile-menu-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--mobile-backdrop);
    transition: all var(--mobile-transition);
    cursor: pointer;
}

/* --- Mobile Menu Container --- */
.mobile-menu-container {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--mobile-width);
    height: 100%;
    background: var(--mobile-bg);
    transform: translateX(100%);
    transition: transform var(--mobile-transition);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    box-shadow: -10px 0 30px rgba(1, 106, 110, 0.3);
    border-left: 1px solid rgba(243, 189, 1, 0.2);
    z-index: var(--z-mobile-container);
    display: flex;
    flex-direction: column;
    visibility: visible;
    opacity: 1;
}

.mobile-menu-overlay.active .mobile-menu-container {
    transform: translateX(0);
}

/* --- Mobile Menu Header --- */
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--mobile-padding);
    min-height: var(--mobile-header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.mobile-menu-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
}

.mobile-menu-title span {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--mobile-transition);
    position: relative;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.mobile-menu-close:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.close-icon {
    position: relative;
    width: 24px;
    height: 24px;
}

.close-line {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--mobile-transition);
}

.close-line:nth-child(1) {
    transform: translate(-50%, -50%) rotate(45deg);
}

.close-line:nth-child(2) {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* --- Mobile Navigation --- */
.mobile-navigation {
    flex: 1;
    padding: var(--mobile-padding) 0;
    overflow-y: auto;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-item {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.4s var(--mobile-bounce);
}

.mobile-menu-overlay.active .mobile-nav-item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-nav-item:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav-item:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav-item:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav-item:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav-item:nth-child(5) { transition-delay: 0.3s; }

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem var(--mobile-padding);
    color: var(--mobile-text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--mobile-transition);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    transition: height var(--mobile-transition);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    background: var(--mobile-hover);
    color: var(--white);
    transform: translateX(-8px);
}

.mobile-nav-link:hover::before,
.mobile-nav-link:focus::before {
    height: 100%;
}

.mobile-nav-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}

.nav-icon {
    font-size: 1.25rem;
    width: 28px;
    text-align: center;
    transition: transform var(--mobile-transition);
    flex-shrink: 0;
}

.mobile-nav-link:hover .nav-icon {
    transform: scale(1.2);
}

.nav-text {
    flex: 1;
    text-align: right;
    font-weight: 600;
}

/* --- Mobile Language Section --- */
.mobile-language-section {
    padding: var(--mobile-padding);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
    background: rgba(0, 0, 0, 0.1);
}

.mobile-section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 1rem 0;
    color: var(--mobile-text);
    font-size: 1rem;
    font-weight: 600;
}

.section-icon {
    font-size: 1.25rem;
}

.mobile-lang-options {
    display: flex;
    gap: 0.75rem;
}

.mobile-lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--mobile-accent);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    color: var(--mobile-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mobile-transition);
    flex: 1;
    justify-content: center;
    min-height: 44px;
}

.mobile-lang-option:hover {
    background: var(--mobile-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.mobile-lang-option:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.mobile-lang-option.active {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    color: var(--primary-color);
    border-color: var(--accent-color);
    font-weight: 600;
}

.lang-flag {
    font-size: 1.1rem;
}

/* --- Mobile Menu Footer --- */
.mobile-menu-footer {
    padding: var(--mobile-padding);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.mobile-contact-info {
    margin-bottom: 1.5rem;
}

.mobile-contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--mobile-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--mobile-transition);
    border-radius: 8px;
}

.mobile-contact-link:hover {
    color: var(--white);
    transform: translateX(-3px);
    background: rgba(255, 255, 255, 0.05);
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.mobile-contact-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.contact-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* --- Body Scroll Lock --- */
body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* --- Animation Enhancements --- */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mobile-nav-item.animate-in {
    animation: slideInRight 0.4s var(--mobile-bounce) forwards;
}

/* --- Responsive Adjustments --- */
@media (max-width: 480px) {
    :root {
        --mobile-width: 100%;
        --mobile-padding: 1.25rem;
    }
    
    .mobile-menu-container {
        border-left: none;
        box-shadow: none;
    }
    
    .mobile-nav-link {
        padding: 1.25rem var(--mobile-padding);
        font-size: 1.1rem;
    }
    
    .mobile-menu-header {
        padding: 1rem var(--mobile-padding);
    }
}

@media (max-width: 360px) {
    :root {
        --mobile-padding: 1rem;
    }
    
    .mobile-nav-link {
        padding: 1rem var(--mobile-padding);
        font-size: 1rem;
    }
}

/* --- Landscape Mode --- */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-menu-header {
        padding: 0.75rem var(--mobile-padding);
        min-height: 60px;
    }
    
    .mobile-nav-link {
        padding: 0.75rem var(--mobile-padding);
        font-size: 0.95rem;
    }
    
    .mobile-menu-footer {
        padding: 1rem var(--mobile-padding);
    }
    
    .mobile-contact-info {
        display: flex;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .mobile-contact-link {
        padding: 0.5rem 0;
        flex: 1;
    }
}

/* --- RTL Specific Adjustments --- */
[dir="rtl"] .mobile-menu-container {
    right: 0;
    left: auto;
    transform: translateX(100%);
    box-shadow: -10px 0 30px rgba(1, 106, 110, 0.3);
    border-left: 1px solid rgba(243, 189, 1, 0.2);
    border-right: none;
}

[dir="rtl"] .mobile-menu-overlay.active .mobile-menu-container {
    transform: translateX(0);
}

[dir="rtl"] .mobile-nav-link::before {
    right: 0;
    left: auto;
}

[dir="rtl"] .mobile-nav-link:hover {
    transform: translateX(-8px);
}

/* --- LTR Specific Adjustments --- */
.ltr .mobile-menu-container,
[dir="ltr"] .mobile-menu-container,
.ltr-section .mobile-menu-container {
    left: 0;
    right: auto;
    transform: translateX(-100%);
    box-shadow: 10px 0 30px rgba(1, 106, 110, 0.3);
    border-right: 1px solid rgba(243, 189, 1, 0.2);
    border-left: none;
}

.ltr .mobile-menu-overlay.active .mobile-menu-container,
[dir="ltr"] .mobile-menu-overlay.active .mobile-menu-container,
.ltr-section .mobile-menu-overlay.active .mobile-menu-container {
    transform: translateX(0);
}

.ltr .mobile-nav-link::before,
[dir="ltr"] .mobile-nav-link::before,
.ltr-section .mobile-nav-link::before {
    left: 0;
    right: auto;
}

.ltr .mobile-nav-link:hover,
[dir="ltr"] .mobile-nav-link:hover,
.ltr-section .mobile-nav-link:hover {
    transform: translateX(8px);
}

.ltr .nav-text,
[dir="ltr"] .nav-text,
.ltr-section .nav-text {
    text-align: left;
}

.ltr .mobile-nav-link,
[dir="ltr"] .mobile-nav-link,
.ltr-section .mobile-nav-link {
    direction: ltr;
}

.ltr .mobile-menu-header,
[dir="ltr"] .mobile-menu-header,
.ltr-section .mobile-menu-header {
    direction: ltr;
}

.ltr .mobile-language-section,
[dir="ltr"] .mobile-language-section,
.ltr-section .mobile-language-section {
    direction: ltr;
}

.ltr .mobile-menu-footer,
[dir="ltr"] .mobile-menu-footer,
.ltr-section .mobile-menu-footer {
    direction: ltr;
}

/* --- Dark Mode Support --- */
@media (prefers-color-scheme: dark) {
    :root {
        --mobile-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
        --mobile-backdrop: rgba(0, 0, 0, 0.8);
    }
}

/* --- Accessibility Enhancements --- */
@media (prefers-reduced-motion: reduce) {
    .mobile-menu-overlay,
    .mobile-menu-container,
    .mobile-nav-link,
    .mobile-nav-item,
    .mobile-lang-option,
    .mobile-contact-link {
        transition: none !important;
        animation: none !important;
    }
    
    .mobile-nav-item {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* --- Touch Optimizations --- */
@media (hover: none) and (pointer: coarse) {
    .mobile-nav-link {
        padding: 1.25rem var(--mobile-padding);
        min-height: 56px;
    }
    
    .mobile-menu-close,
    .mobile-lang-option {
        min-height: 48px;
        min-width: 48px;
    }
    
    .mobile-contact-link {
        padding: 1rem 0;
        min-height: 48px;
    }
}

/* --- High Contrast Mode --- */
@media (prefers-contrast: high) {
    .mobile-menu-container {
        background: #000000;
        border-left: 3px solid var(--accent-color);
    }
    
    .mobile-nav-link {
        border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    }
    
    .mobile-nav-link:hover,
    .mobile-nav-link:focus {
        background: var(--primary-color);
        border-color: var(--accent-color);
    }
}

/* --- Print Styles --- */
@media print {
    .mobile-menu-overlay {
        display: none !important;
    }
}

/* --- Hide on Desktop --- */
@media (min-width: 992px) {
    .mobile-menu-overlay {
        display: none !important;
    }
}