/* =====================================================
   HEADER STYLES
   ===================================================== */

/* Emergency Banner */
.vc-emergency-banner {
    background: linear-gradient(135deg, var(--vc-error), hsl(0, 70%, 45%));
    color: white;
    padding: var(--vc-space-2) 0;
    font-size: var(--vc-text-sm);
}

.vc-emergency-icon {
    display: flex;
    animation: pulse 2s infinite;
}

.vc-emergency-phone {
    color: white;
    font-weight: var(--vc-font-bold);
    text-decoration: underline;
}

.vc-emergency-available {
    display: none;
    align-items: center;
    gap: var(--vc-space-2);
    margin-left: var(--vc-space-4);
    padding-left: var(--vc-space-4);
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}

@media (min-width: 768px) {
    .vc-emergency-available {
        display: flex;
    }
}

.vc-pulse-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

/* Main Header */
.vc-header {
    position: sticky;
    top: 0;
    z-index: var(--vc-z-sticky);
    background: var(--vc-glass-bg);
    backdrop-filter: var(--vc-glass-blur);
    -webkit-backdrop-filter: var(--vc-glass-blur);
    border-bottom: 1px solid var(--vc-border-light);
    transition: all var(--vc-transition-base);
}

.vc-header.scrolled {
    box-shadow: var(--vc-shadow-md);
}

.vc-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--vc-header-height-mobile);
    gap: var(--vc-space-4);
}

@media (min-width: 1024px) {
    .vc-header-inner {
        height: var(--vc-header-height);
    }
}

/* Logo */
.vc-header-brand {
    flex-shrink: 0;
}

.vc-logo {
    display: flex;
    align-items: center;
    gap: var(--vc-space-3);
    text-decoration: none;
}

.vc-logo-icon {
    flex-shrink: 0;
}

.vc-logo-text {
    display: flex;
    flex-direction: column;
}

.vc-logo-name {
    font-family: var(--vc-font-heading);
    font-size: var(--vc-text-xl);
    font-weight: var(--vc-font-bold);
    color: var(--vc-text-primary);
    line-height: 1.2;
}

.vc-logo-tagline {
    display: none;
    font-size: var(--vc-text-xs);
    color: var(--vc-text-tertiary);
}

@media (min-width: 768px) {
    .vc-logo-tagline {
        display: block;
    }
}

/* Main Navigation */
.vc-main-nav {
    display: none;
    flex: 1;
    justify-content: center;
}

@media (min-width: 1024px) {
    .vc-main-nav {
        display: flex;
    }
}

.vc-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--vc-space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.vc-nav-menu>li {
    position: relative;
}

.vc-nav-menu>li>a {
    display: flex;
    align-items: center;
    gap: var(--vc-space-2);
    padding: var(--vc-space-3) var(--vc-space-4);
    font-size: var(--vc-text-sm);
    font-weight: var(--vc-font-medium);
    color: var(--vc-text-primary);
    border-radius: var(--vc-radius-lg);
    transition: all var(--vc-transition-fast);
}

.vc-nav-menu>li>a:hover,
.vc-nav-menu>li.current-menu-item>a {
    color: var(--vc-primary);
    background: var(--vc-primary-alpha);
}

/* Mega Menu */
.vc-mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 600px;
    background: var(--vc-surface);
    border-radius: var(--vc-radius-xl);
    box-shadow: var(--vc-shadow-2xl);
    border: 1px solid var(--vc-border-light);
    padding: var(--vc-space-6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--vc-transition-fast);
    z-index: var(--vc-z-dropdown);
}

.vc-nav-menu>li:hover>.vc-mega-menu,
.vc-nav-menu>li:focus-within>.vc-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.vc-mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--vc-space-6);
}

@media (max-width: 1200px) {
    .vc-mega-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vc-mega-menu {
        min-width: 400px;
    }
}

.vc-mega-menu-column h4 {
    font-size: var(--vc-text-sm);
    font-weight: var(--vc-font-semibold);
    color: var(--vc-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--vc-tracking-wide);
    margin-bottom: var(--vc-space-4);
}

.vc-mega-menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.vc-mega-menu-links li {
    margin-bottom: var(--vc-space-2);
}

.vc-mega-menu-links a {
    display: flex;
    align-items: center;
    gap: var(--vc-space-3);
    padding: var(--vc-space-2);
    margin: 0 calc(-1 * var(--vc-space-2));
    border-radius: var(--vc-radius-md);
    color: var(--vc-text-primary);
    font-size: var(--vc-text-sm);
    transition: all var(--vc-transition-fast);
}

.vc-mega-menu-links a:hover {
    background: var(--vc-bg-secondary);
    color: var(--vc-primary);
}

.vc-mega-menu-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--vc-primary-alpha);
    border-radius: var(--vc-radius-md);
    color: var(--vc-primary);
}

/* Header Actions */
.vc-header-actions {
    display: flex;
    align-items: center;
    gap: var(--vc-space-2);
}

.vc-header-cta {
    display: none;
}

@media (min-width: 1024px) {
    .vc-header-cta {
        display: inline-flex;
    }
}

/* Theme Toggle */
.vc-theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
}

.vc-theme-toggle .vc-icon-sun,
.vc-theme-toggle .vc-icon-moon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--vc-transition-base);
}

.vc-theme-toggle .vc-icon-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg) scale(0);
}

[data-theme="dark"] .vc-theme-toggle .vc-icon-sun {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scale(0);
}

[data-theme="dark"] .vc-theme-toggle .vc-icon-moon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0) scale(1);
}

/* Hamburger Menu */
.vc-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.vc-hamburger span {
    display: block;
    height: 2px;
    background: var(--vc-text-primary);
    border-radius: 2px;
    transition: all var(--vc-transition-fast);
}

.vc-hamburger span:nth-child(1) {
    width: 100%;
}

.vc-hamburger span:nth-child(2) {
    width: 75%;
}

.vc-hamburger span:nth-child(3) {
    width: 50%;
}

.vc-mobile-menu-toggle:hover .vc-hamburger span,
.vc-mobile-menu-toggle[aria-expanded="true"] .vc-hamburger span {
    width: 100%;
}

.vc-mobile-menu-toggle[aria-expanded="true"] .vc-hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.vc-mobile-menu-toggle[aria-expanded="true"] .vc-hamburger span:nth-child(2) {
    opacity: 0;
}

.vc-mobile-menu-toggle[aria-expanded="true"] .vc-hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Reading Progress Bar */
.vc-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--vc-bg-tertiary);
    z-index: calc(var(--vc-z-sticky) + 1);
}

.vc-reading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--vc-primary), var(--vc-secondary));
    transition: width 50ms linear;
}