/* ==========================================================
   Header — Transparent → Solid on Scroll
   ========================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

/* Push header below WP admin bar when logged in */
.admin-bar .site-header {
    top: 32px;
}

@media (max-width: 782px) {
    .admin-bar .site-header {
        top: 46px;
    }
}

/* Transparent state (over hero) */
.header--transparent {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header--transparent .nav-brand-logo {
    filter: brightness(0) invert(1) drop-shadow(0 1px 3px rgba(0,0,0,0.3));
}

.header--transparent .nav-brand-name {
    color: #fff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.header--transparent .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.header--transparent .nav-link:hover,
.header--transparent .nav-link.active {
    color: #fff;
}

.header--transparent .lang-toggle {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
}

.header--transparent .lang-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

/* Scrolled state */
.header--scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid var(--jemira-border-light);
}

.header--scrolled .nav-brand-logo {
    filter: none;
}

.header--scrolled .nav-brand-name {
    color: var(--jemira-text);
}

.header--scrolled .nav-link {
    color: var(--jemira-text-secondary);
}

.header--scrolled .nav-link:hover,
.header--scrolled .nav-link.active {
    color: var(--jemira-primary);
}

.header--scrolled .lang-toggle {
    color: var(--jemira-text-secondary);
    border-color: var(--jemira-border);
}

.header--scrolled .lang-toggle:hover {
    background: var(--jemira-bg);
    color: var(--jemira-primary);
}


/* ==========================================================
   Nav Inner
   ========================================================== */

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--space-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.nav-brand-logo {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-circle);
    object-fit: contain;
    transition: filter var(--transition-base);
}

.nav-brand-name {
    font-size: var(--text-lg);
    font-weight: 700;
    transition: color var(--transition-base), text-shadow var(--transition-base);
}


/* ==========================================================
   Desktop Nav
   ========================================================== */

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(13, 107, 79, 0.06);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--jemira-primary);
    border-radius: 1px;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}


/* ==========================================================
   Nav Actions
   ========================================================== */

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 36px;
    padding: 0 var(--space-md);
    border: 1px solid;
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}


/* ==========================================================
   Mobile Toggle (Hamburger)
   ========================================================== */

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    cursor: pointer;
    z-index: calc(var(--z-mobile-menu) + 1);
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}


/* ==========================================================
   Mobile Overlay & Side Menu
   ========================================================== */

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: var(--jemira-bg-white);
    z-index: var(--z-mobile-menu);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
}

[dir="ltr"] .mobile-menu {
    right: auto;
    left: 0;
    transform: translateX(-100%);
}

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

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--jemira-border-light);
}

.mobile-menu__header .nav-brand-name {
    color: var(--jemira-text);
    font-size: var(--text-base);
}

.mobile-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-circle);
    font-size: var(--text-xl);
    transition: background var(--transition-fast);
}

.mobile-close:hover {
    background: var(--jemira-bg);
}

.mobile-menu__links {
    flex: 1;
    padding: var(--space-lg) 0;
}

.mobile-menu__link {
    display: block;
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--jemira-text);
    transition: background var(--transition-fast), color var(--transition-fast);
    border-inline-start: 3px solid transparent;
}

.mobile-menu__link:hover {
    background: var(--jemira-bg);
    color: var(--jemira-primary);
    border-inline-start-color: var(--jemira-primary);
}

.mobile-menu__footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--jemira-border-light);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-menu__phones a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--jemira-text-secondary);
    font-size: var(--text-sm);
}

.mobile-menu__phones a:hover {
    color: var(--jemira-primary);
}


/* ==========================================================
   Responsive
   ========================================================== */

@media (max-width: 991px) {
    .nav-menu,
    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-inner {
        height: 64px;
    }
}

@media (max-width: 575px) {
    .nav-brand-name {
        font-size: var(--text-base);
    }

    .nav-brand-logo {
        width: 38px;
        height: 38px;
    }
}