:root {
            --primary-blue: #2563eb;
            --primary-navy: #1e3d6f;
            --secondary-teal: #0891b2;
            --accent-cyan: #4fc3f7;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --background-light: #ffffff;
            --background-gray: #f8fafc;
            --border-light: #e5e7eb;
        }

        [data-theme="dark"] {
            --primary-blue: #3b82f6;
            --primary-navy: #1e40af;
            --secondary-teal: #0891b2;
            --accent-cyan: #06b6d4;
            --text-dark: #f9fafb;
            --text-light: #d1d5db;
            --background-light: #111827;
            --background-gray: #1f2937;
            --border-light: #374151;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--background-light);
            transition: all 0.3s ease;
        }

        /* Global H2 dark mode styling - CRITICAL FIX */
        h2 {
            color: var(--text-dark);
        }

        [data-theme="dark"] h2 {
            color: white !important;
        }

        /* Skip to content link for accessibility */
        .skip-to-content {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--primary-blue);
            color: white;
            padding: 0.5rem 1rem;
            text-decoration: none;
            z-index: 9999;
            border-radius: 0 0 4px 0;
        }

        .skip-to-content:focus {
            top: 0;
        }

        /* Header - Standardized */
        .header {
            background: var(--background-light);
            border-bottom: 1px solid var(--border-light);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            height: 62px;
            text-decoration: none;
            display: inline-block;
        }

        .logo-img {
            height: 100%;
            width: auto;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
            margin: 0;
            padding: 0;
        }

        /* Navigation Links - FIXED DARK MODE COLORS */
        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s;
        }

        [data-theme="dark"] .nav-link {
            color: #f0f0f0 !important;
        }

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

        [data-theme="dark"] .nav-link:hover {
            color: var(--primary-blue) !important;
        }

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

        [data-theme="dark"] .nav-link.active {
            color: var(--primary-blue) !important;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-blue) !important;
        }

        /* Theme Toggle */
        .theme-toggle {
            background: transparent;
            border: 2px solid #e5e7eb;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all 0.3s;
        }

        .theme-toggle:hover {
            background: var(--primary-blue);
            color: white;
        }

        [data-theme="dark"] .theme-toggle {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        [data-theme="dark"] .theme-toggle:hover {
            background: var(--accent-cyan);
            color: #1a1a1a;
        }

        /* Mobile Menu Button */
        .mobile-menu-button {
            display: none;
            flex-direction: column;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            gap: 4px;
        }

        .mobile-menu-button span {
            width: 24px;
            height: 2px;
            background: var(--primary-blue);
            display: block;
            transition: all 0.3s;
        }

        .mobile-menu-button.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .mobile-menu-button.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
            color: white;
            padding: 120px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backgrounds/digital-dentistry-collage-light.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 1;
        }

        [data-theme="dark"] .hero::before {
            background-image: url('/assets/images/backgrounds/digital-dentistry-collage-dark.jpg');
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: white;
            max-width: 600px;
            margin: 0 auto;
            text-shadow: 0 1px 2px rgba(0,0,0,0.1);
        }

        [data-theme="dark"] .hero-title {
            text-shadow: 0 4px 8px rgba(0,0,0,0.8), 0 2px 4px rgba(0,0,0,0.6);
            backdrop-filter: blur(1px);
        }

        [data-theme="dark"] .hero-subtitle {
            text-shadow: 0 3px 6px rgba(0,0,0,0.8), 0 1px 3px rgba(0,0,0,0.6);
            backdrop-filter: blur(1px);
        }

        [data-theme="dark"] .hero-content {
            background: rgba(0,0,0,0.3);
            border-radius: 12px;
            padding: 2rem;
        }

        /* Mission Section */
        .mission-section {
            padding: 4rem 0;
            background: var(--background-light);
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        [data-theme="dark"] .section-title {
            color: white !important;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Mission Cards */
        .mission-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .mission-card {
            background: var(--background-light);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.3s ease;
            text-align: left;
        }

        .mission-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .mission-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }

        .mission-card p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Commitment Section */
        .commitment-section {
            padding: 3rem 0;
            background: var(--primary-blue);
            color: white;
            text-align: center;
        }

        .commitment-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .commitment-text {
            font-size: 1.2rem;
            line-height: 1.6;
        }

        /* Facilitators Section */
        .facilitators-section {
            padding: 4rem 0;
            background: var(--background-gray);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .facilitators-section h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 1rem;
        }

        [data-theme="dark"] .facilitators-section h2 {
            color: white !important;
        }

        .facilitators-section > .container > p {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
        }

        .facilitators-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 3rem;
        }

        .facilitator-card {
            background: var(--background-light);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .facilitator-photo {
            width: 200px;
            height: 200px;
            border-radius: 12px;
            margin: 0 auto 1.5rem;
            overflow: hidden;
        }

        .facilitator-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center top;
        }

        .facilitator-name {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .title {
            font-size: 1rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
        }

        .facilitator-background {
            background: #f0f9ff;
            border: 2px solid var(--primary-blue);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        [data-theme="dark"] .facilitator-background {
            background: #1e3a8a;
            border-color: var(--primary-blue);
        }

        .facilitator-background h4 {
            color: var(--text-dark);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .facilitator-background p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }

        .facilitator-description {
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .expertise-bubbles {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .expertise-bubble {
            background: var(--primary-blue);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .facilitator-email {
            color: var(--primary-blue);
            font-weight: 500;
            text-decoration: none;
        }

        /* Symposium Operations Section */
        .symposium-operations-section {
            padding: 4rem 0;
            background: var(--background-light);
        }

        .symposium-operations-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        [data-theme="dark"] .symposium-operations-section h2 {
            color: white !important;
        }

        .symposium-operations-section > .container > p.section-intro {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.05rem;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.75rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .team-card {
            background: var(--background-gray);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 2rem 1.25rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .team-photo {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            margin: 0 auto 1.25rem;
            overflow: hidden;
            border: 4px solid var(--primary-blue);
        }

        .team-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center top;
        }

        .team-name {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        [data-theme="dark"] .team-name {
            color: var(--text-dark);
        }

        .team-title {
            font-size: 0.9rem;
            color: var(--primary-blue);
            font-weight: 500;
            line-height: 1.4;
        }

        /* Approach Section */
        .approach-section {
            padding: 4rem 0;
            background: var(--background-light);
        }

        .approach-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .approach-text h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        [data-theme="dark"] .approach-text h2 {
            color: white !important;
        }

        .approach-text p {
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 2rem;
        }

        .approach-highlight {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
            color: white;
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            font-size: 1.2rem;
            font-weight: 600;
        }

        .comparison-table {
            background: var(--background-light);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .comparison-header {
            background: var(--primary-navy);
            color: white;
            padding: 1rem;
            text-align: center;
            font-weight: 600;
        }

        .comparison-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-bottom: 1px solid var(--border-light);
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-cell {
            padding: 1.5rem;
            border-right: 1px solid var(--border-light);
        }

        .comparison-cell:last-child {
            border-right: none;
        }

        .comparison-cell h4 {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .comparison-cell p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* Difference Section */
        .difference-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
            color: white;
            padding: 3rem 0;
            text-align: center;
        }

        .difference-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .difference-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .difference-text {
            font-size: 1.2rem;
            line-height: 1.6;
        }

        /* Bottom Features */
        .bottom-features {
            padding: 4rem 0;
            background: var(--background-gray);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .feature-card {
            background: var(--background-light);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        .feature-card p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary-navy);
            color: white;
            padding: 4rem 0;
            text-align: center;
        }

        .cta-content {
            max-width: 600px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .cta-button {
            background: var(--primary-blue);
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            background: var(--secondary-teal);
            transform: translateY(-2px);
        }

        /* Footer - STANDARDIZED COLORS */
        .footer {
            background: #1e293b;  /* Explicit darker navy */
            color: white;
            padding: 3rem 0 1rem;
        }

        [data-theme="dark"] .footer {
            background: #0f1419;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h3,
        .footer-section h4 {
            margin-bottom: 1rem;
            color: #4fc3f7;
        }

        .footer-tagline {
            font-style: italic;
            color: #ccc;
            margin-bottom: 1rem;
        }

        .footer-section p {
            color: #ccc;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 0.5rem;
        }

        .footer-section ul li a {
            color: #ccc;
            text-decoration: none;
            line-height: 1.8;
            transition: color 0.3s ease;
            cursor: pointer;
        }

        .footer-section ul li a:hover {
            color: white;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem 0;
            border-top: 1px solid #2c5aa0;
            text-align: center;
            color: #ccc;
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: #4fc3f7;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: white;
            text-decoration: underline;
        }

        /* Founder Quotes */
        .founder-quote {
            margin: 20px 0;
            padding: 20px;
            background: linear-gradient(135deg, #e8f5e8 0%, #f0f8ff 100%);
            border-left: 4px solid #2563eb;
            border-radius: 8px;
            font-style: italic;
        }

        [data-theme="dark"] .founder-quote {
            background: linear-gradient(135deg, #1a2332 0%, #2a3441 100%);
            border-left-color: #60a5fa;
        }

        .founder-quote blockquote {
            margin: 0 0 10px 0;
            font-size: 1.1em;
            line-height: 1.6;
            color: #1e40af;
        }

        [data-theme="dark"] .founder-quote blockquote {
            color: #93c5fd;
        }

        .founder-quote cite {
            display: block;
            text-align: right;
            font-size: 0.9em;
            color: #2563eb;
            font-weight: 600;
        }

        [data-theme="dark"] .founder-quote cite {
            color: #60a5fa;
        }

        /* Mobile Menu Styles */
        .mobile-menu-button {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            font-size: 1.5rem;
            color: var(--text-dark);
        }
        
        .nav-menu.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--background-light);
            border: 1px solid var(--border-light);
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            z-index: 1000;
        }
        
        @media (max-width: 768px) {
            .mobile-menu-button {
                display: block;
            }
            
            .nav-menu {
                display: none;
            }
            
            .nav-menu.mobile-open {
                display: flex;
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            body {
                padding-top: 76px;
            }

            .nav-menu {
                position: fixed;
                left: -100%;
                top: 76px;
                flex-direction: column;
                background: var(--background-light);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                padding: 2rem 0;
                gap: 1rem;
            }

            .nav-menu.mobile-open {
                left: 0;
            }

            .mobile-menu-button {
                display: flex;
            }

            .mission-grid {
                grid-template-columns: 1fr;
            }

            .facilitators-grid {
                grid-template-columns: 1fr;
            }

            .team-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .approach-content {
                grid-template-columns: 1fr;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .cta-title {
                font-size: 1.8rem;
            }

            .team-grid {
                grid-template-columns: 1fr;
            }
        }