/**
 * Resume Target - Header CSS
 * @version 2.0
 * 
 * Contains:
 * - Top Bar
 * - Main Header
 * - Desktop Navigation
 * - Mobile Navigation
 * - Dropdown Menus
 */

/* ============================================
   HEADER TOP BAR
   ============================================ */

.header-top {
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-sm);
    display: none; /* Hidden on mobile by default */
}

.header-top-inner {
    max-width: var(--container-3xl);
    margin: 0 auto;
    padding: var(--space-2) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-top-tagline {
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.8);
}

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

.header-top-nav li {
    position: relative;
}

.header-top-nav a {
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-1) var(--space-3);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.header-top-nav a:hover {
    color: var(--color-white);
}

.header-top-phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: var(--space-4);
    padding-left: var(--space-4);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.header-top-phone .phone-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
}

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

.phone-icon {
    display: flex;
    align-items: center;
}

@media (min-width: 1025px) {
    .header-top {
        display: block;
    }
}

/* ============================================
   MAIN HEADER
   ============================================ */

.header {
    background: var(--color-white);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
}

/* Header CTA */
.header-cta {
    display: none;
}

@media (min-width: 1025px) {
    .header-cta {
        display: block;
    }
    
    .header-cta .btn {
        padding: var(--space-3) var(--space-6);
    }
}

@media (max-width: 1024px) {
    .header-inner {
        height: 60px;
        padding: 0 var(--space-4);
    }
    
    .logo {
        height: 32px;
    }
}

/* ============================================
   DESKTOP NAVIGATION
   ============================================ */

.nav-desktop {
    display: none;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.nav-item-dropdown:hover .nav-link {
    color: var(--color-primary);
}

@media (min-width: 1025px) {
    .nav-desktop {
        display: block;
    }
}

/* ============================================
   DROPDOWN MENU
   ============================================ */

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.nav-item-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-inner {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-6);
    display: flex;
    gap: var(--space-8);
    min-width: 500px;
}

.nav-dropdown-column {
    min-width: 160px;
}

.nav-dropdown-heading {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.nav-dropdown-column a {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-dropdown-column a:hover {
    color: var(--color-accent);
}

.nav-dropdown-highlight {
    color: var(--color-accent) !important;
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */

.nav-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
}

.nav-mobile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-mobile-icon .icon-close {
    display: none;
}

/* When menu is open */
.header.menu-open .nav-mobile-icon .icon-menu {
    display: none;
}

.header.menu-open .nav-mobile-icon .icon-close {
    display: block;
}

@media (min-width: 1025px) {
    .nav-mobile-toggle {
        display: none;
    }
}

/* ============================================
   MOBILE NAVIGATION
   ============================================ */

.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

.header.menu-open .nav-mobile {
    display: block;
}

.nav-mobile-inner {
    padding: var(--space-4) var(--space-6);
}

/* Mobile Phone Link */
.nav-mobile-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.nav-mobile-phone:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

/* Mobile Nav List */
.nav-mobile-list {
    list-style: none;
    margin: 0 0 var(--space-6);
    padding: 0;
}

.nav-mobile-list li {
    border-bottom: 1px solid var(--color-border);
}

.nav-mobile-list a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-mobile-list a:hover {
    color: var(--color-primary);
}

/* Mobile CTA Buttons */
.nav-mobile-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (min-width: 1025px) {
    .nav-mobile {
        display: none !important;
    }
}

/* ============================================
   BODY LOCK WHEN MENU OPEN
   ============================================ */

body.menu-open {
    overflow: hidden;
}

@media (min-width: 1025px) {
    body.menu-open {
        overflow: auto;
    }
}

/* ============================================
   HEADER SCROLLED STATE (Optional)
   ============================================ */

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

.header.scrolled .header-inner {
    height: 60px;
}

.header.scrolled .logo {
    height: 32px;
}

/* ============================================
   SKIP LINK (Accessibility)
   ============================================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}