/* Header - Professional */
        /* Mobile Navigation - Premium Design */
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1001;
            display: flex;
            justify-content: flex-end;
            visibility: hidden;
            opacity: 0;
            transition: visibility 0.3s, opacity 0.3s;
        }

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

        .mobile-nav-container {
            width: 300px;
            max-width: 80%;
            background: var(--md-sys-color-surface);
            transform: translateX(100%);
            transition: transform 0.3s ease-out;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-nav-overlay.active .mobile-nav-container {
            transform: translateX(0);
        }

        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--md-sys-spacing-4);
            border-bottom: 1px solid var(--md-sys-color-outline-variant);
        }

        .mobile-nav-logo img {
            height: 36px;
            width: auto;
        }

        .mobile-nav-close {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--md-sys-color-on-surface);
            padding: var(--md-sys-spacing-2);
            border-radius: var(--md-sys-shape-corner-small);
            transition: background 0.2s;
        }

        .mobile-nav-close:hover {
            background: var(--md-sys-color-surface-container-highest);
        }

        .mobile-nav-content {
            flex-grow: 1;
            padding: var(--md-sys-spacing-4);
            display: flex;
            flex-direction: column;
        }

        .mobile-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex-grow: 1;
        }

        .mobile-nav-item,
        .mobile-nav-group .mobile-nav-toggle {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 12px var(--md-sys-spacing-3);
            margin-bottom: var(--md-sys-spacing-2);
            color: var(--md-sys-color-on-surface);
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            border-radius: var(--md-sys-shape-corner-medium);
            transition: background 0.2s, color 0.2s;
            background: none;
            border: none;
            cursor: pointer;
            text-align: right;
        }

        .mobile-nav-item:hover,
        .mobile-nav-group .mobile-nav-toggle:hover {
            background: var(--md-sys-color-surface-container-highest);
            color: var(--md-sys-color-primary);
        }

        .mobile-nav-icon {
            margin-left: var(--md-sys-spacing-3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--md-sys-color-on-surface-variant);
        }

        .mobile-nav-item:hover .mobile-nav-icon,
        .mobile-nav-group .mobile-nav-toggle:hover .mobile-nav-icon {
            color: var(--md-sys-color-primary);
        }

        .mobile-nav-group {
            margin-bottom: var(--md-sys-spacing-2);
        }

        .mobile-nav-group .mobile-nav-toggle {
            justify-content: space-between;
        }

        .mobile-nav-arrow {
            transition: transform 0.3s;
        }

        .mobile-nav-group.active .mobile-nav-arrow {
            transform: rotate(180deg);
        }

        .mobile-nav-submenu {
            display: none;
            padding-right: var(--md-sys-spacing-6);
            padding-top: var(--md-sys-spacing-1);
            padding-bottom: var(--md-sys-spacing-1);
            border-right: 2px solid var(--md-sys-color-outline-variant);
            margin-right: var(--md-sys-spacing-4);
        }

        .mobile-nav-group.active .mobile-nav-submenu {
            display: block;
        }

        .mobile-nav-submenu a {
            display: block;
            padding: 10px var(--md-sys-spacing-3);
            color: var(--md-sys-color-on-surface-variant);
            text-decoration: none;
            font-size: 0.9375rem;
            border-radius: var(--md-sys-shape-corner-small);
            transition: background 0.2s, color 0.2s;
        }

        .mobile-nav-submenu a:hover {
            background: var(--md-sys-color-primary-container);
            color: var(--md-sys-color-on-primary-container);
        }

        .mobile-nav-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--md-sys-spacing-2);
            padding: 12px 24px;
            background: var(--md-sys-color-primary);
            color: var(--md-sys-color-on-primary);
            text-decoration: none;
            border-radius: var(--md-sys-shape-corner-full);
            font-weight: 600;
            margin-top: var(--md-sys-spacing-4);
            transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
        }

        .mobile-nav-cta:hover {
            background: var(--md-sys-color-tertiary);
            box-shadow: 0 4px 12px rgba(230, 44, 125, 0.3);
            transform: translateY(-2px);
        }

        .mobile-nav-footer {
            padding: var(--md-sys-spacing-4);
            border-top: 1px solid var(--md-sys-color-outline-variant);
            margin-top: var(--md-sys-spacing-4);
        }

        .mobile-social-links {
            display: flex;
            justify-content: center;
            gap: var(--md-sys-spacing-4);
        }

        .mobile-social-links a {
            color: var(--md-sys-color-on-surface-variant);
            transition: color 0.2s;
        }

        .mobile-social-links a:hover {
            color: var(--md-sys-color-primary);
        }

        .site-header {
            background: var(--md-sys-color-surface);
            border-bottom: 1px solid var(--md-sys-color-outline-variant);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--md-sys-spacing-8);
        }

        .site-logo img {
            height: 40px;
            width: auto;
            max-height: 40px;
            display: block;
        }

        /* Desktop Navigation */
        .desktop-nav {
            flex: 1;
            display: none;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--md-sys-spacing-2);
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .nav-menu>li>a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            color: var(--md-sys-color-on-surface);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9375rem;
            border-radius: var(--md-sys-shape-corner-small);
            transition: all 0.2s;
        }

        .nav-menu>li>a:hover {
            background: var(--md-sys-color-surface-container-highest);
            color: var(--md-sys-color-primary);
        }

        .dropdown-icon {
            transition: transform 0.3s;
        }

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

        .sub-menu {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--md-sys-color-surface-container);
            border: 1px solid var(--md-sys-color-outline-variant);
            border-radius: var(--md-sys-shape-corner-medium);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            min-width: 200px;
            padding: 8px;
            list-style: none;
            margin: 4px 0 0 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s;
        }

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

        .sub-menu li {
            margin: 0;
        }

        .sub-menu a {
            display: block;
            padding: 10px 14px;
            color: var(--md-sys-color-on-surface);
            text-decoration: none;
            border-radius: var(--md-sys-shape-corner-small);
            transition: all 0.2s;
            font-size: 0.875rem;
        }

        .sub-menu a:hover {
            background: var(--md-sys-color-primary-container);
            color: var(--md-sys-color-on-primary-container);
        }

        /* CTA Button */
        .nav-cta {
            margin-right: var(--md-sys-spacing-4);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            padding: 10px 24px;
            background: var(--md-sys-color-primary);
            color: var(--md-sys-color-on-primary);
            text-decoration: none;
            border-radius: var(--md-sys-shape-corner-full);
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: var(--md-sys-color-tertiary);
            box-shadow: 0 4px 12px rgba(230, 44, 125, 0.3);
            transform: translateY(-2px);
        }

        /* Mobile Menu Toggle */
        /* Header Actions Container */
        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--md-sys-color-on-surface);
            transition: all 0.3s;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

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

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Mobile Navigation - Premium Design */
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg,
                    rgba(230, 44, 125, 0.97) 0%,
                    rgba(59, 89, 151, 0.97) 100%);
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .mobile-nav-container {
            height: 100%;
            display: flex;
            flex-direction: column;
            transform: translateY(30px);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .mobile-nav-overlay.active .mobile-nav-container {
            transform: translateY(0);
        }

        /* Mobile Nav Header */
        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-nav-logo img {
            height: 32px;
            width: auto;
        }

        .mobile-nav-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            cursor: pointer;
            transition: all 0.3s;
        }

        .mobile-nav-close:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }

        /* Mobile Nav Content */
        .mobile-nav-content {
            flex: 1;
            overflow-y: auto;
            padding: 32px 24px;
        }

        .mobile-nav-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        /* Mobile Nav Items */
        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.3s;
            cursor: pointer;
            backdrop-filter: blur(10px);
        }

        .mobile-nav-item:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateX(-4px);
        }

        .mobile-nav-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            flex-shrink: 0;
        }

        .mobile-nav-item span {
            flex: 1;
        }

        .mobile-nav-arrow {
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        /* Mobile Nav Groups */
        .mobile-nav-group {
            margin-bottom: 4px;
        }

        .mobile-nav-group .mobile-nav-toggle {
            width: 100%;
            border: none;
            text-align: right;
        }

        .mobile-nav-submenu {
            display: none;
            flex-direction: column;
            gap: 2px;
            margin-top: 8px;
            margin-right: 56px;
            padding: 12px 0;
        }

        .mobile-nav-submenu.active {
            display: flex;
        }

        .mobile-nav-submenu a {
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            border-radius: 12px;
            transition: all 0.2s;
            font-size: 0.9375rem;
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-nav-submenu a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateX(-4px);
            color: white;
        }

        .mobile-nav-group.active .mobile-nav-arrow {
            transform: rotate(180deg);
        }

        /* Mobile Nav CTA */
        .mobile-nav-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 18px 32px;
            background: white;
            color: var(--md-sys-color-primary);
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.125rem;
            text-decoration: none;
            margin-top: 24px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
        }

        .mobile-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        /* Mobile Nav Footer */
        .mobile-nav-footer {
            padding-top: 32px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-social-links {
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        .mobile-social-links a {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s;
        }

        .mobile-social-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }

        /* Mobile Only */
        @media (min-width: 969px) {
            .mobile-nav-overlay {
                display: none;
            }
        }

        /* Desktop Only */
        @media (min-width: 969px) {
            .desktop-nav {
                display: block;
            }

            .mobile-menu-toggle {
                display: none;
            }
        }