/* ========================================
   HEADER STYLES
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 0.5px solid var(--dc-border);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 24px;
}

/* Logo */
.logo-text {
    display: flex;
    align-items: center;
    font-family: var(--dc-font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--dc-primary-dark);
    text-decoration: none;
    letter-spacing: -0.3px;
}

.logo-accent { color: var(--dc-accent); }

.custom-logo {
    max-height: 50px;
    width: auto;
}

/* Primary Navigation */
.primary-nav { flex: 1; }

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu .menu-item a {
    display: block;
    padding: 8px 14px;
    font-size: 13.5px;
    font-weight: 400;
    color: var(--dc-muted);
    border-radius: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-menu .menu-item a:hover,
.nav-menu .menu-item.current-menu-item a {
    color: var(--dc-primary);
    background: rgba(26, 111, 168, 0.06);
}

.nav-menu .menu-item.current-menu-item a {
    font-weight: 500;
}

/* Dropdown menus */
.nav-menu .menu-item-has-children {
    position: relative;
}

.nav-menu .menu-item-has-children > a::after {
    content: '▾';
    font-size: 10px;
    margin-left: 4px;
}

.nav-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--dc-white);
    border: 0.5px solid var(--dc-border);
    border-radius: var(--dc-radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    min-width: 200px;
    padding: 8px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-8px);
    transition: all 0.2s;
    z-index: 100;
}

.nav-menu .menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-menu .sub-menu .menu-item a {
    padding: 9px 14px;
    font-size: 13px;
    border-radius: 6px;
    display: block;
    color: var(--dc-text);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--dc-muted);
    white-space: nowrap;
    transition: color 0.2s;
}

.header-phone:hover { color: var(--dc-primary); }

.header-cta { white-space: nowrap; }

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    background: rgba(0,0,0,0.04);
    border-radius: 6px;
    border: 0.5px solid var(--dc-border);
}

.lang-btn {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--dc-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.lang-btn:hover { color: var(--dc-primary); background: rgba(255,255,255,0.8); }
.lang-btn.active {
    background: var(--dc-white);
    color: var(--dc-primary);
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.hamburger:hover { background: rgba(0,0,0,0.05); }

.hamburger-line {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--dc-text);
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.is-active .hamburger-line:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.is-active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.is-active .hamburger-line:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: auto;
    background: var(--dc-white);
    z-index: 999;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-bottom: 0.5px solid var(--dc-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.mobile-menu.is-open {
    transform: translateX(0);
    display: block;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 0.5px solid var(--dc-border);
}

.mobile-nav-menu .menu-item { border: none; }
.mobile-nav-menu .menu-item a {
    display: block;
    padding: 14px 0;
    font-size: 17px;
    color: var(--dc-text);
    font-weight: 400;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 0.5px solid var(--dc-border);
}

.mobile-phone-link {
    text-align: center;
    font-size: 15px;
    color: var(--dc-primary);
    font-weight: 500;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--dc-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    z-index: 9999;
    font-size: 14px;
    transition: top 0.2s;
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .header-phone { display: none; }
    .primary-nav { display: none; }
    .hamburger { display: flex; }
    .nav-menu { flex-direction: column; }
}

@media (max-width: 480px) {
    .header-cta { display: none; }
}

/* ── Language Switcher Dropdown ──────────────────────────────────── */
.lang-switcher {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: rgba(0,0,0,0.04);
    border: 0.5px solid var(--dc-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: background 0.2s;
}

.lang-current:hover {
    background: rgba(0,0,0,0.08);
}

.lang-arrow {
    color: var(--dc-muted);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.lang-switcher.is-open .lang-arrow {
    transform: rotate(180deg);
}

.lang-flag {
    font-size: 20px;
    line-height: 1;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--dc-white);
    border: 0.5px solid var(--dc-border);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    min-width: 150px;
    padding: 6px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.2s;
    z-index: 200;
}

.lang-switcher.is-open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 7px;
    font-size: 13px;
    color: var(--dc-text);
    text-decoration: none;
    transition: background 0.15s;
}

.lang-option:hover {
    background: var(--dc-bg);
    color: var(--dc-primary);
}

.lang-option.lang-active {
    background: #e6f1fb;
    color: var(--dc-primary);
    font-weight: 500;
}