/* ============================================
   MODERN HEADER STYLES
   Clean, professional design with smooth animations
   ============================================ */

/* ============================================
   ANNOUNCEMENT BAR
   ============================================ */
.announcement-bar {
    background: var(--gv-secondary);
    border-bottom: 1px solid rgba(248, 209, 2, 0.2);
    width: 100%;
    padding: 10px 20px;
    position: relative;
    z-index: 1001;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
}

.announcement-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(248, 209, 2, 0.15);
    border-radius: 50%;
    color: var(--gv-primary);
    font-size: 12px;
    animation: pulse 2s infinite;
}

.announcement-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gv-text-muted) !important;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

.announcement-link:hover {
    color: var(--gv-primary) !important;
}

.announcement-text {
    opacity: 0.8;
}

.announcement-cta {
    font-weight: 600;
    color: var(--gv-primary) !important;
    text-decoration: none;
}

.announcement-link:hover .announcement-cta {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.announcement-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.announcement-link:hover .announcement-arrow {
    transform: translateX(4px);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   MAIN HEADER
   ============================================ */
.modern-header {
    position: fixed;
    top: 44px; /* Height of announcement bar */
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--gv-bg-primary);
    transition: all 0.3s ease;
}

.modern-header.scrolled {
    background: rgba(10, 20, 48, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    top: 0;
}

/* Header stays visible - no auto-hide on scroll */
.modern-header.header-hidden {
    transform: none;
}

/* Navigation Container */
.nav-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* ============================================
   LOGO
   ============================================ */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    height: 45px;
    width: auto;
}

.logo-text {
    font-family: var(--gv-font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--gv-text-primary);
    letter-spacing: -0.5px;
    display: none; /* Hidden by default, shown when logo image fails */
}

/* ============================================
   DESKTOP NAVIGATION
   ============================================ */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gv-text-secondary) !important;
    text-decoration: none !important;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--gv-text-primary) !important;
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--gv-text-primary) !important;
}

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

.dropdown-arrow {
    transition: transform 0.3s ease;
}

.nav-item.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* ============================================
   DROPDOWN MENU
   ============================================ */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 320px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 12px;
    padding-top: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* Bridge element to prevent dropdown from closing when moving mouse */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

.dropdown-menu.show,
.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(10, 20, 48, 0.05);
}

.dropdown-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(10, 20, 48, 0.08);
    border-radius: 10px;
    color: var(--gv-secondary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.dropdown-item:hover .dropdown-icon {
    background: rgba(248, 209, 2, 0.2);
    color: var(--gv-secondary);
    transform: scale(1.05);
}

.dropdown-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gv-secondary-dark);
}

.dropdown-desc {
    font-size: 13px;
    color: rgba(10, 20, 48, 0.6);
}

/* ============================================
   CTA BUTTON
   ============================================ */
.nav-cta {
    display: flex;
    align-items: center;
}

.header-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--gv-primary);
    color: var(--gv-primary) !important;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none !important;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.header-cta-btn:hover {
    background: var(--gv-primary);
    color: var(--gv-secondary) !important;
    transform: translateY(-2px);
}

.header-cta-btn svg {
    transition: transform 0.3s ease;
}

.header-cta-btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   MOBILE TOGGLE
   ============================================ */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1002;
}

.hamburger-box {
    position: relative;
    display: inline-block;
    width: 28px;
    height: 20px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    position: absolute;
    width: 28px;
    height: 3px;
    background: var(--gv-text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger-inner {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-inner::before {
    content: '';
    top: -8px;
}

.hamburger-inner::after {
    content: '';
    bottom: -8px;
}

.mobile-toggle.active .hamburger-inner {
    background: transparent;
}

.mobile-toggle.active .hamburger-inner::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--gv-text-primary);
}

.mobile-toggle.active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-45deg);
    background: var(--gv-text-primary);
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

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

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 100px 30px 40px;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.4s ease;
}

.mobile-menu.active .mobile-nav-item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu.active .mobile-nav-item:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-nav-item:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-nav-item:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-nav-item:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-nav-item:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-nav-item:nth-child(6) { transition-delay: 0.35s; }

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    font-size: 24px;
    font-weight: 600;
    color: #111111 !important;
    text-decoration: none !important;
    border-bottom: 1px solid rgba(10, 20, 48, 0.12);
    transition: all 0.3s ease;
}

.mobile-nav-link i {
    width: 24px;
    color: #111111 !important;
    font-size: 20px;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: #0077ff !important;
    padding-left: 10px;
}

/* Submenu toggle indicator */
.mobile-nav-item.has-submenu > .mobile-nav-link::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    margin-left: auto;
    color: #111111 !important;
    transition: transform 0.3s ease;
}

.mobile-nav-item.has-submenu.submenu-open > .mobile-nav-link::after {
    transform: rotate(180deg);
}

/* Mobile Submenu */
.mobile-submenu {
    display: none;
    list-style: none;
    padding: 10px 0 10px 40px;
    margin: 0;
    background: rgba(10, 20, 48, 0.03);
    border-radius: 8px;
}

.mobile-nav-item.submenu-open .mobile-submenu {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-submenu li a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: #111111 !important;
    text-decoration: none !important;
    border-bottom: 1px solid rgba(10, 20, 48, 0.08);
    transition: all 0.2s ease;
}

.mobile-submenu li:last-child a {
    border-bottom: none;
}

.mobile-submenu li a:hover {
    color: #0077ff !important;
    padding-left: 8px;
}

/* Mobile CTA */
.mobile-cta-item {
    margin-top: 30px;
    border-bottom: none !important;
}

.mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px 30px;
    background: var(--gv-secondary);
    color: var(--gv-text-primary) !important;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none !important;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid var(--gv-secondary);
}

.mobile-cta-btn:hover {
    background: transparent;
    color: var(--gv-secondary) !important;
    transform: scale(1.02);
}

/* Body lock when menu open */
body.menu-open {
    overflow: hidden;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 30px;
    }

    .nav-menu {
        gap: 4px;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 14px;
    }
}

@media (max-width: 992px) {
    .modern-header {
        top: 40px;
    }

    .nav-menu,
    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-wrapper {
        height: 70px;
    }

    .nav-container {
        padding: 0 20px;
    }

    .logo-icon {
        height: 40px;
    }

    .announcement-bar {
        padding: 8px 15px;
    }

    .announcement-link {
        font-size: 13px;
    }

    .announcement-text {
        display: none;
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    .modern-header {
        top: 36px;
    }

    .nav-wrapper {
        height: 60px;
    }

    .logo-icon {
        height: 36px;
    }

    .announcement-bar {
        padding: 6px 12px;
    }

    .announcement-content {
        gap: 8px;
    }

    .announcement-icon {
        width: 20px;
        height: 20px;
        font-size: 10px;
    }

    .announcement-link {
        font-size: 12px;
    }

    .mobile-nav-link {
        font-size: 20px;
        padding: 16px 0;
        color: #111111 !important;
    }

    .mobile-nav-link i {
        color: #111111 !important;
    }

    .mobile-menu-content {
        padding: 80px 24px 30px;
    }
}

@media (max-width: 480px) {
    .modern-header {
        top: 32px;
        max-width: inherit;
    }

    .nav-container {
        padding: 0 15px;
    }

    .nav-wrapper {
        height: 56px;
    }

    .logo-icon {
        height: 32px;
    }

    .announcement-bar {
        padding: 5px 10px;
    }

    .announcement-link {
        font-size: 11px;
        gap: 6px;
    }

    .announcement-cta {
        display: inline;
    }

    .mobile-nav-link {
        font-size: 18px;
        padding: 14px 0;
        gap: 12px;
        color: #111111 !important;
    }

    .mobile-nav-link i {
        width: 20px;
        font-size: 16px;
        color: #111111 !important;
    }

    .mobile-cta-btn {
        padding: 16px 24px;
        font-size: 16px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
.nav-link:focus,
.header-cta-btn:focus,
.mobile-nav-link:focus,
.mobile-toggle:focus {
    outline: 2px solid var(--gv-primary);
    outline-offset: 2px;
}