/* === Header Styles === */
header {
    background-color: var(--header-bg-color);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    color: #f0f0f0;
    padding: 15px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .logo-area img {
    height: 50px;
}
header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 32px;
}
header nav ul li a {
    color: #becada;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.25s ease-in-out, border-bottom-color 0.25s ease-in-out;
    font-size: 1.05em;
    padding-bottom: 8px;
    border-bottom: 3px solid transparent;
}
header nav ul li a:hover,
header nav ul li a.active {
    color: #ffffff;
    border-bottom-color: var(--link-active-border-color);
}
.language-switcher {
    position: relative;
}
.language-switcher .current-lang {
    background-color: rgba(55, 65, 81, 0.85);
    color: white;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
}
.language-switcher .dropdown-content {
    display: none;
    position: absolute;
    background-color: #1e293b;
    min-width: 160px;
    box-shadow: 0px 10px 25px rgba(0,0,0,0.5);
    z-index: 1001;
    border-radius: 8px;
    overflow: hidden;
    top: 100%;
    right: 0;
    border: 1px solid rgba(100, 116, 139, 0.4);
}
.language-switcher:hover .dropdown-content {
    display: block;
}
.language-switcher .dropdown-content a.lang-option {
    color: var(--secondary-text-color);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.9em;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.language-switcher .dropdown-content a.lang-option:hover {
    background-color: #4f46e5;
    color: #ffffff;
}
header nav ul li.contact-dropdown {
    position: relative;
}
header nav ul li.contact-dropdown .dropdown-contact-content {
    display: none;
    position: absolute;
    background-color: rgba(30, 41, 59, 0.95);
    min-width: 250px;
    box-shadow: 0px 10px 25px rgba(0,0,0,0.5);
    z-index: 1002;
    border-radius: 8px;
    padding: 10px 0;
    top: 100%;
    left: 0;
    margin-top: 8px;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color-soft);
}
html[dir="rtl"] header nav ul li.contact-dropdown .dropdown-contact-content {
    left: auto;
    right: 0;
}
header nav ul li.contact-dropdown:hover .dropdown-contact-content {
    display: block !important;
}
header nav ul li.contact-dropdown .dropdown-contact-content a {
    color: var(--secondary-text-color);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.9em;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-bottom: none !important;
}
header nav ul li.contact-dropdown .dropdown-contact-content a:hover {
    background-color: #4f46e5;
    color: #ffffff;
}
header nav ul li.contact-dropdown > a[data-lang-key="nav_contact"] {
    cursor: default;
}
header nav ul li.contact-dropdown > a[data-lang-key="nav_contact"]:hover {
    border-bottom-color: transparent;
    background-color: transparent;
}

/* ========================================= */
/* === HAMBURGER MENU & MOBILE NAV STYLES === */
/* ========================================= */

.hamburger-menu {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1100; /* Increased z-index */
}

.hamburger-menu span {
    width: 2rem;
    height: 0.25rem;
    background: var(--primary-text-color);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

/* --- Styles for the open state (X icon) --- */
.hamburger-menu.open span:nth-child(1) {
    transform: rotate(45deg);
}

.hamburger-menu.open span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.hamburger-menu.open span:nth-child(3) {
    transform: rotate(-45deg);
}


/* --- Responsive Styles for Header --- */
@media (max-width: 900px) {
    header nav {
        position: fixed;
        top: 0;
        left: -100%; /* Initially hidden */
        width: 100%;
        height: 100vh;
        background: rgba(var(--primary-bg-color-rgb), 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        transition: transform 0.3s ease-in-out;
    z-index: 1099; /* Increased z-index */
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
    }
    
    html[dir="rtl"] header nav {
        left: auto;
        right: -100%;
        transform: translateX(-100%);
    }

    header nav.open {
        transform: translateX(0);
    }
    
    html[dir="rtl"] header nav.open {
        transform: translateX(0);
    }

    header nav ul {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    header nav ul li a {
        font-size: 1.5rem;
        padding-bottom: 10px;
    }

    .hamburger-menu {
        display: flex;
    }
}