/* CSS Reset & Base */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --primary-blue: #3b82f6;
            --deep-blue: #1d4ed8;
            --light-blue: #60a5fa;
            --accent-blue: #2563eb;
            --dark-blue: #1e3a8a;
            --text-primary: #ffffff;
            --text-secondary: #e5e7eb;
            --text-muted: #9ca3af;
            --background: #0f172a;
            --surface: #1e293b;
            --border: rgba(59, 130, 246, 0.2);
            --success: #10b981;
            --warning: #f59e0b;
        }

        /* Mobile-First Responsive Base */
        html {
            scroll-behavior: smooth;
            font-size: clamp(14px, 2.5vw, 16px);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--background);
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* Container */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        /* Header - Enhanced Responsive */
        .header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: clamp(0.5rem, 2vw, 1rem) clamp(1rem, 4vw, 2rem);
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--text-primary);
        }

        .logo-img {
            width: auto;
            height: clamp(35px, 8vw, 60px);
            border-radius: 12px;
            object-fit: contain;
        }

        .nav-links {
            display: flex;
            gap: clamp(1rem, 3vw, 2rem);
            list-style: none;
        }

        .nav-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 0.5rem 0;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 0.25rem;
        }

        /* Hero Section - Fully Responsive */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            position: relative;
            overflow: hidden;
            padding: clamp(80px, 15vh, 120px) 0 clamp(2rem, 5vh, 4rem);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
            z-index: 1;
        }

        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: clamp(1rem, 4vw, 2rem);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(2rem, 6vw, 4rem);
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text {
            max-width: 100%;
        }

        .trial-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            padding: clamp(0.5rem, 2vw, 0.75rem) clamp(1rem, 3vw, 1.5rem);
            border-radius: 2rem;
            font-size: clamp(0.75rem, 2vw, 0.875rem);
            font-weight: 700;
            margin-bottom: clamp(1rem, 3vw, 1.5rem);
            animation: pulse 2s infinite;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: clamp(1.8rem, 6vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: clamp(0.5rem, 2vw, 1rem);
            background: linear-gradient(135deg, var(--text-primary), var(--light-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 3vw, 1.5rem);
            color: var(--text-secondary);
            margin-bottom: clamp(1rem, 3vw, 2rem);
            line-height: 1.5;
            font-weight: 500;
        }

        .trial-features {
            list-style: none;
            margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
        }

        .trial-feature {
            padding: clamp(0.5rem, 1.5vw, 0.75rem) 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1rem);
            font-size: clamp(1rem, 2.5vw, 1.125rem);
        }

        .trial-feature::before {
            content: '✓';
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            width: clamp(24px, 5vw, 28px);
            height: clamp(24px, 5vw, 28px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: clamp(0.75rem, 2vw, 0.875rem);
            flex-shrink: 0;
        }

        .cta-buttons {
            display: flex;
            gap: clamp(0.5rem, 2vw, 1rem);
            flex-wrap: wrap;
            margin-bottom: clamp(1rem, 3vw, 2rem);
            justify-content: flex-start;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            padding: clamp(1rem, 2.5vw, 1.25rem) clamp(1.5rem, 4vw, 2.5rem);
            border-radius: 0.75rem;
            text-decoration: none;
            font-weight: 700;
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            min-width: 160px;
            justify-content: center;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            padding: clamp(1rem, 2.5vw, 1.25rem) clamp(1.5rem, 4vw, 2.5rem);
            border: 2px solid var(--border);
            border-radius: 0.75rem;
            text-decoration: none;
            font-weight: 600;
            font-size: clamp(1rem, 2.5vw, 1.125rem);
            transition: all 0.3s ease;
            cursor: pointer;
            min-width: 160px;
            text-align: center;
        }

        .btn-secondary:hover {
            border-color: var(--primary-blue);
            background: rgba(59, 130, 246, 0.1);
        }

        .guarantee {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--text-muted);
            font-size: clamp(0.85rem, 2vw, 0.95rem);
            flex-wrap: wrap;
        }

        .guarantee::before {
            content: '🔒';
            font-size: 1.25rem;
        }

        /* Trial Form - Enhanced Responsive */
        .trial-form {
            background: rgba(59, 130, 246, 0.05);
            border: 1px solid var(--border);
            border-radius: clamp(1rem, 3vw, 1.5rem);
            padding: clamp(1.5rem, 4vw, 2.5rem);
            backdrop-filter: blur(10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
        }

        .form-header {
            text-align: center;
            margin-bottom: clamp(1.5rem, 4vw, 2rem);
        }

        .form-title {
            font-size: clamp(1.25rem, 4vw, 1.75rem);
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .form-subtitle {
            color: var(--text-secondary);
            font-size: clamp(0.9rem, 2.5vw, 1rem);
        }

        .form-group {
            margin-bottom: clamp(1.25rem, 3vw, 1.5rem);
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-primary);
            font-size: clamp(0.9rem, 2vw, 1rem);
        }

        .form-input {
            width: 100%;
            padding: clamp(0.875rem, 2.5vw, 1rem);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            color: var(--text-primary);
            font-size: clamp(14px, 2.5vw, 16px); /* Minimum 14px prevents zoom on iOS */
            transition: all 0.3s ease;
            box-sizing: border-box;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary-blue);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .form-select {
            width: 100%;
            padding: clamp(0.875rem, 2.5vw, 1rem);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            color: var(--text-primary);
            font-size: clamp(14px, 2.5vw, 16px);
            transition: all 0.3s ease;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2360a5fa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            background-size: 1rem;
            padding-right: 3rem;
            box-sizing: border-box;
        }

        .form-select:focus {
            outline: none;
            border-color: var(--primary-blue);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-select option {
            background: var(--surface);
            color: var(--text-primary);
            padding: 0.5rem;
        }

        .form-checkbox {
            display: flex;
            align-items: flex-start;
            gap: clamp(0.5rem, 2vw, 0.75rem);
            margin-bottom: clamp(1.25rem, 3vw, 1.5rem);
        }

        .checkbox-input {
            width: 18px;
            height: 18px;
            accent-color: var(--primary-blue);
            margin-top: 0.1rem;
            flex-shrink: 0;
        }

        .checkbox-label {
            color: var(--text-secondary);
            font-size: clamp(0.85rem, 2vw, 0.95rem);
            line-height: 1.5;
        }

        .submit-button {
            width: 100%;
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            padding: clamp(1rem, 3vw, 1.25rem);
            border: none;
            border-radius: 0.75rem;
            font-weight: 700;
            font-size: clamp(1rem, 2.5vw, 1.125rem);
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            min-height: 44px; /* Touch-friendly */
        }

        .submit-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(16, 185, 129, 0.3);
        }

        .form-note {
            text-align: center;
            margin-top: 1rem;
            color: var(--text-muted);
            font-size: clamp(0.8rem, 2vw, 0.875rem);
            line-height: 1.4;
        }

        /* Success Message - Responsive */
        .success-message {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: clamp(1rem, 3vw, 1.5rem);
            padding: clamp(1.5rem, 4vw, 2rem);
            margin-bottom: clamp(1.5rem, 4vw, 2rem);
        }

        .success-header {
            text-align: center;
            margin-bottom: clamp(1.5rem, 4vw, 2rem);
        }

        .success-icon {
            width: clamp(60px, 12vw, 80px);
            height: clamp(60px, 12vw, 80px);
            background: linear-gradient(135deg, var(--success), #059669);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: clamp(1.5rem, 4vw, 2rem);
        }

        .success-title {
            font-size: clamp(1.25rem, 4vw, 1.5rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .success-subtitle {
            color: var(--text-secondary);
            font-size: clamp(0.9rem, 2.5vw, 1rem);
        }

        .contact-message-box {
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid rgba(59, 130, 246, 0.3);
            border-radius: clamp(0.75rem, 2vw, 1rem);
            padding: clamp(1.5rem, 4vw, 2rem);
            margin-bottom: clamp(1.5rem, 4vw, 2rem);
            text-align: center;
        }

        .contact-title {
            font-size: clamp(1rem, 3vw, 1.25rem);
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }

        .contact-description {
            color: var(--text-secondary);
            font-size: clamp(0.95rem, 2.5vw, 1.1rem);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .contact-info {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 0.5rem;
            padding: clamp(0.75rem, 2vw, 1rem);
            margin-top: 1rem;
            text-align: left;
        }

        .contact-info p {
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
            font-size: clamp(0.85rem, 2vw, 0.95rem);
        }

        .contact-info strong {
            color: var(--text-primary);
        }

        .quick-contact {
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: clamp(0.75rem, 2vw, 1rem);
            padding: clamp(1.5rem, 4vw, 2rem);
            text-align: center;
        }

        .quick-contact-title {
            font-size: clamp(1rem, 3vw, 1.2rem);
            font-weight: 600;
            color: var(--success);
            margin-bottom: 0.5rem;
        }

        .quick-contact-subtitle {
            color: var(--text-secondary);
            font-size: clamp(0.85rem, 2vw, 0.95rem);
            margin-bottom: 1.5rem;
        }

        .contact-buttons {
            display: flex;
            gap: clamp(0.5rem, 2vw, 1rem);
            justify-content: center;
            flex-wrap: wrap;
        }

        .contact-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: clamp(0.75rem, 2vw, 1rem) clamp(1.5rem, 4vw, 2rem);
            border-radius: 0.75rem;
            text-decoration: none;
            font-weight: 600;
            font-size: clamp(0.9rem, 2vw, 1rem);
            transition: all 0.3s ease;
            color: white;
            min-width: 140px;
            justify-content: center;
            flex: 1;
            max-width: 200px;
            min-height: 44px;
        }

        .whatsapp-btn {
            background: linear-gradient(135deg, #25D366, #128C7E);
        }

        .whatsapp-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
        }

        .telegram-btn {
            background: linear-gradient(135deg, #0088cc, #005580);
        }

        .telegram-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0, 136, 204, 0.4);
        }

        .btn-icon {
            font-size: clamp(1rem, 2.5vw, 1.2rem);
        }

        /* Error Messages */
        .error-messages {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 0.5rem;
            padding: clamp(0.75rem, 2vw, 1rem);
            margin-bottom: 1rem;
        }

        .error-message {
            color: #ef4444;
            font-size: clamp(0.8rem, 2vw, 0.875rem);
            margin-bottom: 0.25rem;
        }

        .error-message:last-child {
            margin-bottom: 0;
        }

        /* FAQ Section - Responsive */
        .faq {
            padding: clamp(4rem, 10vw, 6rem) clamp(1rem, 4vw, 2rem);
            background: var(--background);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-header {
            text-align: center;
            margin-bottom: clamp(2rem, 6vw, 3rem);
        }

        .faq-title {
            font-size: clamp(1.8rem, 5vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: clamp(0.75rem, 2vw, 1rem);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            padding: clamp(1rem, 3vw, 1.5rem);
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: clamp(1rem, 2.5vw, 1.125rem);
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
            min-height: 44px;
        }

        .faq-question:hover {
            background: rgba(59, 130, 246, 0.05);
        }

        .faq-answer {
            padding: 0 clamp(1rem, 3vw, 1.5rem) clamp(1rem, 3vw, 1.5rem);
            color: var(--text-secondary);
            line-height: 1.6;
            display: none;
            font-size: clamp(0.9rem, 2vw, 1rem);
        }

        .faq-answer.active {
            display: block;
        }

        .faq-icon {
            transition: transform 0.3s ease;
            font-size: clamp(0.9rem, 2vw, 1rem);
        }

        .faq-question.active .faq-icon {
            transform: rotate(180deg);
        }

        /* Footer - Responsive */
        .footer {
            background: var(--surface);
            padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 4vw, 2rem) clamp(1rem, 2vw, 1rem);
            border-top: 1px solid var(--border);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: clamp(0.8rem, 2vw, 0.9rem);
        }

        /* Tablet Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-content {
                gap: 3rem;
            }
            
            .nav {
                padding: 0.75rem 1.5rem;
            }
            
            .trial-form {
                max-width: 450px;
            }

           .cta-buttons {
               justify-content: center;
           }
       }

       /* Enhanced Tablet Portrait */
       @media (max-width: 768px) {
           .nav-links {
               display: none;
               position: absolute;
               top: 100%;
               left: 0;
               right: 0;
               background: rgba(15, 23, 42, 0.98);
               backdrop-filter: blur(10px);
               flex-direction: column;
               padding: 1rem;
               border-top: 1px solid var(--border);
               box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
           }

           .nav-links.active {
               display: flex;
           }

           .mobile-menu-toggle {
               display: block;
           }

           .hero-content {
               grid-template-columns: 1fr;
               gap: 2rem;
               text-align: center;
           }

           .trial-form {
               order: -1;
               margin-bottom: 2rem;
               max-width: 100%;
           }

           .hero {
               padding-top: 70px;
           }

           .cta-buttons {
               flex-direction: column;
               align-items: center;
               max-width: 300px;
               margin: 0 auto 2rem;
           }

           .btn-primary,
           .btn-secondary {
               width: 100%;
               max-width: 280px;
           }

           .guarantee {
               justify-content: center;
               text-align: center;
           }
       }

       /* Enhanced Mobile Responsive */
       @media (max-width: 480px) {
           .nav {
               padding: 0.5rem 1rem;
               min-height: 50px;
           }

           .logo-img {
               width: auto;
               height: 35px;
           }

           .hero {
               padding: 60px 0 2rem;
               min-height: auto;
           }

           .hero-content {
               padding: 0.75rem;
               gap: 1.5rem;
           }

           .trial-form {
               padding: 1.25rem;
               border-radius: 1rem;
           }

           .form-group {
               margin-bottom: 1.25rem;
           }

           .form-input,
           .form-select {
               padding: 0.875rem;
               font-size: 16px; /* Prevents zoom on iOS */
           }

           .trial-features {
               margin-bottom: 1.5rem;
           }

           .trial-feature {
               padding: 0.5rem 0;
               font-size: 1rem;
           }

           .trial-feature::before {
               width: 24px;
               height: 24px;
               font-size: 0.75rem;
           }

           .contact-buttons {
               flex-direction: column;
               gap: 0.75rem;
           }
           
           .contact-btn {
               width: 100%;
               max-width: none;
               padding: 1rem;
           }

           .faq,
           .contact {
               padding: 3rem 1rem;
           }

           .faq-question {
               padding: 1.25rem;
               font-size: 1rem;
           }

           .faq-answer {
               padding: 0 1.25rem 1.25rem;
               font-size: 0.95rem;
           }

           .contact-message-box,
           .quick-contact {
               padding: 1.5rem;
           }
       }

       /* Very Small Mobile Devices */
       @media (max-width: 360px) {
           html {
               font-size: 14px;
           }

           .hero-title {
               font-size: 1.75rem;
           }

           .hero-subtitle {
               font-size: 0.95rem;
           }

           .trial-form {
               padding: 1rem;
           }

           .btn-primary {
               padding: 0.875rem 1.5rem;
               font-size: 1rem;
           }

           .contact-btn {
               padding: 0.875rem;
               font-size: 0.9rem;
           }

           .form-input,
           .form-select {
               padding: 0.75rem;
           }
       }

       /* Landscape Mobile Orientation */
       @media (max-height: 500px) and (orientation: landscape) {
           .hero {
               min-height: auto;
               padding: 70px 0 1rem;
           }

           .hero-content {
               grid-template-columns: 1fr 1fr;
               gap: 2rem;
               align-items: start;
           }

           .trial-form {
               order: 0;
               margin-bottom: 0;
           }

           .hero-title {
               font-size: 2rem;
               margin-bottom: 0.5rem;
           }

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

           .trial-features {
               margin-bottom: 1rem;
           }

           .trial-badge {
               margin-bottom: 0.75rem;
               padding: 0.5rem 1rem;
           }
       }

       /* High DPI / Retina Display Optimization */
       @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
           .logo-img {
               image-rendering: -webkit-optimize-contrast;
               image-rendering: crisp-edges;
           }
       }

       /* Touch-friendly improvements */
       @media (hover: none) and (pointer: coarse) {
           .btn-primary,
           .btn-secondary,
           .submit-button,
           .contact-btn {
               min-height: 44px;
           }

           .faq-question {
               min-height: 44px;
           }

           .nav-link {
               padding: 0.75rem 0;
               display: block;
           }

           .checkbox-input {
               width: 20px;
               height: 20px;
           }

           .mobile-menu-toggle {
               min-height: 44px;
               min-width: 44px;
           }
       }

       /* Improve focus states for keyboard navigation */
       @media (hover: hover) and (pointer: fine) {
           .btn-primary:hover,
           .btn-secondary:hover {
               transform: translateY(-2px);
           }

           .submit-button:hover {
               transform: translateY(-2px);
               box-shadow: 0 12px 25px rgba(16, 185, 129, 0.3);
           }

           .contact-btn:hover {
               transform: translateY(-2px);
           }

           .faq-question:hover {
               background: rgba(59, 130, 246, 0.08);
           }
       }

       /* Print styles */
       @media print {
           .header,
           .mobile-menu-toggle,
           .contact-buttons,
           .cta-buttons {
               display: none;
           }

           .hero {
               background: white;
               color: black;
               padding: 1rem 0;
               min-height: auto;
           }

           .trial-form {
               border: 2px solid #000;
               background: white;
           }

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

       /* Accessibility improvements */
       @media (prefers-reduced-motion: reduce) {
           * {
               animation-duration: 0.01ms !important;
               animation-iteration-count: 1 !important;
               transition-duration: 0.01ms !important;
           }

           .trial-badge {
               animation: none;
           }

           html {
               scroll-behavior: auto;
           }
       }

       /* Dark mode support for devices that prefer it */
       @media (prefers-color-scheme: dark) {
           :root {
               --background: #0a0a0a;
               --surface: #1a1a1a;
               --text-primary: #ffffff;
               --text-secondary: #e0e0e0;
           }
       }

       /* Focus visible for better accessibility */
       .btn-primary:focus-visible,
       .btn-secondary:focus-visible,
       .submit-button:focus-visible,
       .contact-btn:focus-visible,
       .form-input:focus-visible,
       .form-select:focus-visible,
       .checkbox-input:focus-visible,
       .faq-question:focus-visible {
           outline: 2px solid var(--primary-blue);
           outline-offset: 2px;
       }

       /* Animations */
       @keyframes pulse {
           0%, 100% {
               opacity: 1;
           }
           50% {
               opacity: 0.8;
           }
       }

       /* Container queries for modern browsers */
       @container (max-width: 400px) {
           .trial-form {
               padding: 1rem;
           }
       }

       /* Safe area insets for devices with notches */
       @supports (padding-top: env(safe-area-inset-top)) {
           .header {
               padding-top: env(safe-area-inset-top);
           }
           
           .hero {
               padding-top: calc(80px + env(safe-area-inset-top));
           }
       }

       /* Improved contrast for high contrast mode */
       @media (prefers-contrast: high) {
           :root {
               --border: #ffffff;
               --text-secondary: #ffffff;
               --text-muted: #cccccc;
           }
           
           .form-input,
           .form-select {
               border-width: 2px;
           }
       }