/* CSS Reset and Custom Properties */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            /* Light Theme Colors */
            --primary-navy: #1e293b;
            --primary-blue: #2563eb;
            --primary-cyan: #06b6d4;
            --secondary-teal: #0891b2;
            --accent-cyan: #06b6d4;
            --accent-teal: #14b8a6;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #ffffff;
            --bg-gray: #f8fafc;
            --background-light: #ffffff;
            --background-gray: #f8fafc;
            --border-light: #e5e7eb;
            --success-green: #10b981;
            --warning-yellow: #f59e0b;
            --error-red: #ef4444;
            
            /* Shadows */
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            
            /* Typography */
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }

        [data-theme="dark"] {
            --primary-navy: #0f172a;
            --primary-blue: #3b82f6;
            --primary-cyan: #22d3ee;
            --secondary-teal: #0891b2;
            --accent-cyan: #06b6d4;
            --accent-teal: #2dd4bf;
            --text-dark: #f9fafb;
            --text-light: #d1d5db;
            --bg-light: #111827;
            --bg-gray: #1f2937;
            --background-light: #111827;
            --background-gray: #1f2937;
            --border-light: #374151;
        }

        body {
            font-family: var(--font-primary);
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-light);
            transition: all 0.3s ease;
        }

        /* Global H2 dark mode styling */
        h2 {
            color: var(--primary-navy);
        }

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

        /* Skip to Content Link */
        .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;
            transition: top 0.3s;
        }

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

        /* STANDARDIZED Header Styles */
        .header {
            background: var(--bg-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 Styles - STANDARDIZED */
        .logo {
            height: 62px;
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.05);
        }

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

        /* Navigation */
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        /* Navigation Links */
        .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;
            transition: color 0.3s ease;
            position: relative;
        }

        [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 Button */
        .theme-toggle {
            background: transparent;
            border: 2px solid var(--border-light);
            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 ease;
        }

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

        /* Mobile Menu Button and 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(--bg-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;
            }
        }

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

        .newsletter-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backgrounds/Hero-News.webp');
            background-size: cover;
            background-position: center;
            opacity: 1;
            z-index: 1;
        }

        [data-theme="dark"] .newsletter-hero::before {
            background-image: url('/assets/images/backgrounds/Hero-News.webp');
            opacity: 0.9;
        }

        .newsletter-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(74, 144, 226, 0.5) 0%, rgba(53, 122, 189, 0.5) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .hero-content h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        [data-theme="dark"] .hero-content h1 {
            text-shadow: 0 4px 8px rgba(0,0,0,0.8), 0 2px 4px rgba(0,0,0,0.6);
        }

        .hero-content p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto 2rem;
            text-shadow: 0 1px 2px rgba(0,0,0,0.1);
        }

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

        [data-theme="dark"] .hero-content {
            background: rgba(0,0,0,0.3);
            border-radius: 12px;
            padding: 2rem;
            backdrop-filter: blur(5px);
        }

        .hero-highlight {
            background: var(--accent-cyan);
            color: var(--primary-navy);
            padding: 1rem 2rem;
            border-radius: 25px;
            font-weight: 600;
            display: inline-block;
        }

        /* Value Proposition */
        .value-section {
            padding: 4rem 0;
            background: var(--background-light);
        }

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

        .value-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .value-text h2 {
            font-size: clamp(2rem, 4vw, 2.5rem);
            margin-bottom: 1.5rem;
        }

        .value-text p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .value-features {
            list-style: none;
        }

        .value-features li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .value-features li::before {
            content: '🔧';
            font-size: 1.2rem;
        }

        .newsletter-preview {
            background: var(--background-gray);
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid var(--border-light);
            position: relative;
        }

        .preview-badge {
            position: absolute;
            top: -10px;
            left: 20px;
            background: var(--warning-yellow);
            color: var(--primary-navy);
            padding: 0.5rem 1rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .newsletter-mockup {
            background: var(--background-light);
            border-radius: 12px;
            padding: 2rem;
            border: 1px solid var(--border-light);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .mockup-header {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--accent-cyan);
        }

        .mockup-title {
            font-size: 1.5rem;
            color: var(--primary-navy);
            margin-bottom: 0.5rem;
        }

        .mockup-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .mockup-section {
            margin-bottom: 2rem;
        }

        .mockup-section h3 {
            color: var(--primary-blue);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .mockup-section p {
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        /* Disclaimer */
        .disclaimer {
            background: #fef3c7;
            color: #78350f;
            padding: 1.5rem;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #fcd34d;
        }

        [data-theme="dark"] .disclaimer {
            background: #451a03;
            color: #fef3c7;
            border-color: #92400e;
        }

        .disclaimer h4 {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: inherit;
        }

        .disclaimer p {
            font-size: 0.9rem;
            line-height: 1.5;
            color: inherit;
        }

        .disclaimer strong {
            font-weight: 700;
            color: inherit;
        }

        /* Signup Form */
        .signup-section {
            padding: 4rem 0;
            background: var(--background-gray);
        }

        .signup-container {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .signup-container h2 {
            font-size: clamp(2rem, 4vw, 2.5rem);
            margin-bottom: 1rem;
        }

        .signup-container p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-light);
            margin-bottom: 3rem;
        }

        .signup-form {
            background: var(--background-light);
            padding: 3rem;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
        }

        .form-group {
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .form-group.required label::after {
            content: '*';
            color: #dc2626;
            margin-left: 0.25rem;
        }

        .form-group h4 {
            color: var(--primary-navy);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        [data-theme="dark"] .form-group h4 {
            color: var(--text-dark);
        }

        .form-input {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 1rem;
            background: var(--background-light);
            color: var(--text-dark);
            transition: border-color 0.3s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .form-select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 1rem;
            background: var(--background-light);
            color: var(--text-dark);
        }

        /* Checkbox Styles */
        .checkbox-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
        }

        @media (max-width: 640px) {
            .checkbox-grid {
                grid-template-columns: 1fr;
            }
        }

        .checkbox-group {
            display: flex;
            align-items: start;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }

        .checkbox-grid .checkbox-group {
            margin: 0;
        }

        .checkbox-group input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--primary-blue);
            margin-top: 0.25rem;
            min-width: 18px;
            flex-shrink: 0;
        }

        .checkbox-group label {
            margin-bottom: 0;
            font-weight: 400;
            cursor: pointer;
            font-size: 0.9rem;
            line-height: 1.5;
            color: var(--text-dark);
        }

        [data-theme="dark"] .checkbox-group label {
            color: var(--text-dark);
        }

        .submit-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;
            width: 100%;
        }

        .submit-button:hover {
            background: var(--primary-navy);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .submit-button:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.5);
        }

        .submit-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* Form Messages */
        .form-message {
            animation: slideDown 0.3s ease-out;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

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

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

        .benefits-header h2 {
            font-size: clamp(2rem, 4vw, 2.5rem);
            margin-bottom: 1rem;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .benefit-card {
            background: var(--background-gray);
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .benefit-icon {
            width: 64px;
            height: 64px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: white;
        }

        .benefit-card h3 {
            color: var(--primary-navy);
            margin-bottom: 1rem;
            font-size: 1.25rem;
        }

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

        /* Footer */
        .footer {
            background: #1e293b;
            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;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .value-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .newsletter-preview {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 90px;
                flex-direction: column;
                background: var(--bg-light);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: var(--shadow-lg);
                padding: 2rem 0;
                border-top: 1px solid var(--border-light);
            }

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

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-content p {
                font-size: 1rem;
            }

            .value-text h2 {
                font-size: 2rem;
            }

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

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

            .signup-form {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .header-content {
                padding: 1rem;
            }

            .hero-content {
                padding: 1rem;
            }

            .container {
                padding: 0 1rem;
            }
        }

        /* Print Styles */
        @media print {
            .header,
            .footer,
            .theme-toggle,
            .mobile-menu-button {
                display: none;
            }

            body {
                color: black;
                background: white;
            }
        }

        /* Accessibility */
        *:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

        /* Reduced Motion */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
            }
        }

        /* Screen reader only */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
