/* Body Lock when Menu Open */
body.menu-open {
    overflow: hidden;
}
/* ==========================================================================
   Header Architecture
   ========================================================================== */
.site-header-wrapper {
    --header-surface: rgba(255, 255, 255, 0.85);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth), backdrop-filter var(--transition-smooth);
    background-color: var(--header-surface);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

/* Scrolled/Active Header State */
.site-header-wrapper.scrolled {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.site-header-wrapper.scrolled .site-header {
    border-bottom: 1px solid var(--color-border-light);
}

/* Top Bar / Upper Header */
.top-header {
    height: 36px;
    border-bottom: 1px solid rgba(17, 17, 17, 0.05);
    display: flex;
    align-items: center;
    transition: border-color var(--transition-smooth), background-color var(--transition-smooth);
}

.top-header-container {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-6);
}

.top-header-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: var(--tracking-button);
    transition: color var(--transition-fast);
}

.top-header-link:hover {
    color: var(--color-primary);
}

.top-header-link i,
.top-header-link svg {
    width: 12px;
    height: 12px;
}

/* Main Header Menu Bar */
.site-header {
    width: 100%;
    height: 72px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    height: 100%;
    text-decoration: none;
}

.header-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* ==========================================================================
   Main Navigation (Desktop)
   ========================================================================== */
.main-nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-menu-wrapper {
    height: 100%;
    display: flex;
    align-items: center;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-8);
    height: 100%;
}

.main-nav ul li {
    display: flex;
    align-items: center;
    height: 100%;
}

.main-nav ul li a {
    position: relative;
    display: inline-flex;
    align-items: center;
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-button);
    padding: var(--space-2) 0;
    overflow: hidden;
    height: 36px;
}

/* Premium Text Swap Hover Animation */
.main-nav ul li a span {
    display: inline-block;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.main-nav ul li a::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: var(--space-2);
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    opacity: 0;
    transform: translateY(var(--space-6));
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

/* Active page text only; no underline marker. */
.main-nav ul li a.active span {
    color: var(--color-primary);
}

@media (hover: hover) {
    .main-nav ul li a:hover span {
        transform: translateY(calc(var(--space-6) * -1));
        opacity: 0;
    }

    .main-nav ul li a:hover::after {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile-only menu items container (Hidden on Desktop) */
.nav-actions-mobile {
    display: none;
}

/* ==========================================================================
   Mobile Toggle Button
   ========================================================================== */
.mobile-menu-toggle {
    display: none;
    position: relative;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    z-index: var(--z-top);
    border-radius: var(--radius-full);
    transition: color var(--transition-fast);
}

.mobile-menu-toggle svg {
    position: absolute;
    top: calc(50% - 12px);
    left: calc(50% - 12px);
    width: 24px;
    height: 24px;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.mobile-menu-toggle .close-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* Active Toggle Animating Burger -> X */
.mobile-menu-toggle.active .menu-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.mobile-menu-toggle.active .close-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ==========================================================================
   Mobile Menu Overlay / Backdrop
   ========================================================================== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: rgba(17, 17, 17, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    z-index: var(--z-overlay);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Responsive Architecture & Mobile Drawer
   ========================================================================== */
@media (max-width: 991px) {
    :root {
        --header-height: 72px;
    }

    .site-header-wrapper {
        --header-surface: rgba(255, 255, 255, 0.96);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .mobile-menu-overlay {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background-color: rgba(17, 17, 17, 0.65);
    }

    .top-header {
        display: none; /* Hide top header bar on tablet/mobile */
    }

    .mobile-menu-toggle {
        display: block; /* Show menu toggle */
    }

    /* Mobile Sidebar Menu Drawer */
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(340px, 85vw);
        height: 100vh;
        height: 100dvh;
        background-color: var(--color-bg);
        box-shadow: -10px 0 40px rgba(17, 17, 17, 0.08);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 0; /* Clear padding from drawer level */
        transition: right var(--transition-smooth);
        z-index: var(--z-nav);
        overflow: hidden; /* Lock general scroll, scrolling handled by wrapper */
        display: flex;
    }

    .nav-menu-wrapper {
        flex: 1;
        width: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: calc(var(--header-height) + var(--space-4)) var(--space-6) var(--space-4);
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
        gap: 0;
        margin-bottom: var(--space-8);
    }

    .main-nav ul li {
        display: block; /* Override display: flex from desktop to stack sub-menus vertically */
        width: 100%;
        height: auto;
        position: relative;
        opacity: 0;
        transform: translateY(15px);
        transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    }

    /* Staggered Loading Animations for Menu Items when Opened */
    .main-nav.active ul li:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
    .main-nav.active ul li:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
    .main-nav.active ul li:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .main-nav.active ul li:nth-child(4) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
    .main-nav.active ul li:nth-child(5) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

    .main-nav ul li a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: var(--space-4) 0;
        font-size: var(--text-md);
        font-weight: var(--font-semibold);
        color: var(--color-text);
        border-bottom: 1px solid var(--color-border-light);
        text-transform: none;
        letter-spacing: normal;
        height: auto;
        overflow: visible;
        transition: color var(--transition-fast);
    }

    /* Disable hover text-swap animations on mobile */
    .main-nav ul li a span,
    .main-nav ul li a:hover span {
        transition: none;
        transform: none;
        opacity: 1;
    }

    .main-nav ul li a::after {
        display: none;
    }

    .main-nav ul li a.active {
        color: var(--color-primary);
    }

    .main-nav ul li.menu-item-has-children > a .nav-chevron {
        display: none;
    }

    /* Mobile Secondary Buttons Container */
    .nav-actions-mobile {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        width: 100%;
        padding: var(--space-4) var(--space-6) calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
        background-color: var(--color-bg); /* Solid white background to block menus scrolling behind */
        border-top: 1px solid var(--color-border-light);
        margin-top: 0; /* Override auto margin */
        z-index: 5; /* Keep above scrolling menu lists */
        opacity: 0;
        transform: translateY(15px);
        transition: opacity var(--transition-smooth) 0.35s, transform var(--transition-smooth) 0.35s;
        flex-shrink: 0; /* Prevent buttons from shrinking or being cut off */
    }

    .main-nav.active .nav-actions-mobile {
        opacity: 1;
        transform: translateY(0);
    }

    /* Custom Mobile Actions styling */
    .mobile-action-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-2);
        width: 100%;
        padding: var(--space-3) var(--space-6);
        border-radius: var(--radius-pill);
        font-size: var(--text-sm);
        font-weight: var(--font-semibold);
        text-transform: uppercase;
        text-decoration: none;
        letter-spacing: var(--tracking-button);
        transition: none; /* Avoid sticky mobile states */
    }

    .mobile-action-link:nth-child(1) {
        background-color: transparent;
        color: var(--color-text);
        border: 2px solid var(--color-border);
    }

    .mobile-action-link:nth-child(2) {
        background-color: var(--color-primary);
        color: var(--color-bg);
        border: 2px solid var(--color-primary);
    }

    /* Prevent hover state issues on touch screens */
    .mobile-action-link:hover,
    .mobile-action-link:active {
        transform: none;
    }
}

/* ========================================================================== 
   Dropdown & Mega Menu (WordPress-Ready)
   ========================================================================== */

/* Parent Menu Item containing sub-menu */
.menu-item-has-children {
    position: relative;
}

/* Hide mobile sub-menu toggle buttons on desktop */
.sub-menu-toggle {
    display: none;
}

/* Nav Chevron Indicator (Desktop) */
.main-nav ul li.menu-item-has-children > a {
    padding-right: var(--space-4);
}

.main-nav ul li.menu-item-has-children > a .nav-chevron {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    color: var(--color-text-muted);
    transition: transform var(--transition-base), color var(--transition-base);
}

.main-nav ul li.menu-item-has-children:hover > a .nav-chevron {
    transform: translateY(-50%) rotate(180deg);
    color: var(--color-primary);
}

/* 1. Standard Dropdown (Masaüstü) */
@media (min-width: 992px) {
    .site-header-wrapper.scrolled {
        transform: translateY(-36px);
    }

    .main-nav ul li.menu-item-has-children:not(.has-megamenu) {
        position: relative;
    }

    .main-nav ul li.menu-item-has-children:not(.has-megamenu) .sub-menu {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 260px;
        background-color: var(--header-surface);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-md);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        padding: var(--space-4) 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
        z-index: var(--z-dropdown);
        display: block;
        height: auto;
    }

    /* Hover state for Dropdown */
    .main-nav ul li.menu-item-has-children:not(.has-megamenu):hover .sub-menu,
    .main-nav ul li.menu-item-has-children:not(.has-megamenu):focus-within .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav ul li.menu-item-has-children:not(.has-megamenu) .sub-menu li {
        width: 100%;
        display: block;
        height: auto;
    }

    .main-nav ul li.menu-item-has-children:not(.has-megamenu) .sub-menu li a {
        display: block;
        padding: var(--space-3) var(--space-6);
        color: var(--color-text-muted);
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        text-transform: none;
        letter-spacing: normal;
        height: auto;
        border: none;
        transition: color var(--transition-fast), background-color var(--transition-fast), padding-left var(--transition-fast);
    }

    .main-nav ul li.menu-item-has-children:not(.has-megamenu) .sub-menu li a:hover {
        background-color: rgba(17, 17, 17, 0.04);
        color: var(--color-primary);
        padding-left: calc(var(--space-6) + 6px);
    }

    /* 2. Mega Menu (Masaüstü) */
    /* Mega menu triggers full width header relative position */
    .site-header {
        position: relative;
    }

    .main-nav ul li.has-megamenu {
        position: static;
    }

    .main-nav ul li.has-megamenu .mega-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--header-surface);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border-top: 1px solid var(--color-border-light);
        border-bottom: 1px solid var(--color-border-light);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.05);
        padding: var(--space-8) 0;
        max-height: calc(100vh - var(--header-height));
        max-height: calc(100dvh - var(--header-height));
        overflow-y: auto;
        overscroll-behavior: contain;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
        z-index: var(--z-dropdown);
    }

    .main-nav ul li.has-megamenu:hover .mega-menu,
    .main-nav ul li.has-megamenu:focus-within .mega-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Tek liste; kolon sayısı mevcut genişliğe göre kendiliğinden ölçeklenir. */
    .mega-menu-container {
        display: block;
    }

    .main-nav .mega-menu-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
        gap: var(--space-2) var(--space-8);
        margin: 0;
        padding: 0;
        list-style: none;
        height: auto;
    }

    .main-nav .mega-menu-list > li {
        display: block;
        width: 100%;
        height: auto;
        min-width: 0;
    }

    .main-nav .mega-menu-list > li::after {
        content: '';
        display: block;
        width: 72%;
        height: 1px;
        background-color: var(--color-border-light);
    }

    .main-nav .mega-menu-list > li > a {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        color: var(--color-text-muted);
        text-transform: none;
        letter-spacing: normal;
        padding: var(--space-1) 0;
        height: auto;
        overflow-wrap: anywhere;
        transition: color var(--transition-fast), padding-left var(--transition-fast);
    }

    .main-nav .mega-menu-list > li > a:hover {
        color: var(--color-primary);
        padding-left: var(--space-2);
    }
}

/* 3. Mobile Dropdowns & Accordions (Mobil & Tablet) */
@media (max-width: 991px) {
    /* Indicators next to menu items */
    .main-nav ul li.menu-item-has-children > a {
        position: relative;
        padding-right: var(--space-12); /* Make room for the toggle arrow on mobile */
    }

    /* Dropdown Toggle Button */
    .sub-menu-toggle {
        position: absolute;
        right: 0;
        top: 0; /* Keep aligned to the top of menu item so it doesn't scroll with alt menu height */
        width: 50px;
        height: 50px; /* Exact height matching link height */
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: var(--color-text);
        cursor: pointer;
        z-index: 2;
    }

    .sub-menu-toggle svg {
        width: 16px;
        height: 16px;
        color: var(--color-text-muted);
        transition: transform var(--transition-smooth), color var(--transition-fast);
    }

    /* Rotate arrow when sub-menu is open */
    .menu-item-has-children.open > .sub-menu-toggle svg {
        transform: rotate(180deg);
        color: var(--color-primary);
    }

    /* Sub menu list & Mega menu container on mobile (Closed State - Reset all space) */
    .menu-item-has-children .sub-menu,
    .has-megamenu .mega-menu {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background-color: transparent;
        border-radius: var(--radius-md);
        padding: 0; /* Explicitly reset padding to 0 when closed */
        margin: 0;  /* Explicitly reset margin to 0 when closed */
        border: none; /* Remove borders (including border-left) when closed */
        transition: max-height var(--transition-smooth), margin var(--transition-smooth), padding var(--transition-smooth);
        display: block;
    }

    /* Expand when parent is open (Open State) */
    .menu-item-has-children.open > .sub-menu,
    .has-megamenu.open > .mega-menu {
        max-height: 1200px;
        margin-top: var(--space-2);
        margin-bottom: var(--space-4);
        padding: var(--space-3) 0;
        border: none;
    }

    .has-megamenu.open > .mega-menu {
        max-height: 65vh;
        max-height: 65dvh;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .menu-item-has-children .sub-menu li {
        width: 100%;
        opacity: 1;
        transform: none;
    }

    .menu-item-has-children .sub-menu li a {
        padding: var(--space-2) var(--space-6);
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        color: var(--color-text-muted);
        border-bottom: none;
    }

    .menu-item-has-children .sub-menu li a:active,
    .menu-item-has-children .sub-menu li a.active {
        color: var(--color-primary);
    }

    /* Mobil mega menu: tüm kategoriler tek, taranabilir listede. */
    .mega-menu-container {
        padding: 0 var(--space-4);
    }

    .main-nav .mega-menu-list {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .main-nav .mega-menu-list > li {
        opacity: 1;
        transform: none;
    }

    .main-nav .mega-menu-list > li::after {
        width: 88%;
        margin-left: var(--space-4);
    }

    .main-nav .mega-menu-list > li:last-child::after {
        display: none;
    }

    .main-nav .mega-menu-list > li > a {
        display: block;
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-sm);
        color: var(--color-text-muted);
        border-bottom: none;
        overflow-wrap: anywhere;
    }

    .main-nav .mega-menu-list > li > a:active {
        color: var(--color-primary);
    }
}

/* ==========================================================================
   Desktop Megamenu Backdrop Blur Overlay
   ========================================================================== */
.megamenu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: rgba(17, 17, 17, 0.12); /* Soft dark tint */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    z-index: 99; /* Higher than page content, but below header (1000) */
    pointer-events: none; /* Allows hover/mouseenter events on target elements behind it */
}

.megamenu-overlay.active {
    opacity: 1;
    visibility: visible;
}