/* Custom Utilities */
        .glass {
            background: rgba(30, 41, 59, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .hero-bg {
            background-color: #020617;
            background-image: 
                radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
                radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
                radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
            background-size: cover;
            background-attachment: fixed;
        }

        .grid-bg {
            background-size: 40px 40px;
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
        }

        /* Hide Scrollbar but allow scroll */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        
        /* FAQ Details Animation */
        details > summary {
            list-style: none;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary ~ * {
            animation: sweep .3s ease-in-out;
        }
        @keyframes sweep {
            0%    {opacity: 0; transform: translateY(-10px)}
            100%  {opacity: 1; transform: translateY(0)}
        }

        /* Pricing Toggle Switch - Redesigned */
        .pricing-toggle-wrapper {
            position: relative;
            display: inline-block;
            width: 56px;
            height: 28px;
            cursor: pointer;
        }

        .pricing-toggle-input {
            opacity: 0;
            width: 0;
            height: 0;
            position: absolute;
        }

        .pricing-toggle-track {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #374151;
            border-radius: 28px;
            transition: background-color 0.3s ease;
        }

        .pricing-toggle-wrapper:hover .pricing-toggle-track {
            background: #4b5563;
        }

        .pricing-toggle-thumb {
            position: absolute;
            content: "";
            height: 22px;
            width: 22px;
            left: 3px;
            bottom: 3px;
            background: white;
            border-radius: 50%;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }

        .pricing-toggle-input:checked ~ .pricing-toggle-track {
            background: #14b8a6;
        }

        .pricing-toggle-wrapper:hover .pricing-toggle-input:checked ~ .pricing-toggle-track {
            background: #0d9488;
        }

        .pricing-toggle-input:checked ~ .pricing-toggle-track .pricing-toggle-thumb {
            transform: translateX(28px);
        }

        .pricing-toggle-wrapper:active .pricing-toggle-thumb {
            width: 26px;
        }

        /* Pricing Toggle Animation Enhancement */
        #price-amount {
            transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
        }
        #price-amount.updating {
            opacity: 0;
            transform: scale(0.95);
        }
        #monthly-text, #yearly-text {
            transition: color 0.3s ease-in-out, opacity 0.2s ease-in-out;
        }

        /* View Transition */
        .view-section {
            transition: opacity 0.3s ease-in-out;
        }
        .hidden-view {
            display: none;
            opacity: 0;
            pointer-events: none; /* Prevent clicks on hidden elements */
        }

        /* Lang Menu */
        #lang-menu {
            transform-origin: top right;
            transition: transform 0.1s ease-out, opacity 0.1s ease-out;
        }
        #lang-menu.hidden {
            display: none;
        }

        /* Custom Toast */
        #toast-container {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            pointer-events: none;
        }
        .toast {
            background: rgba(30, 41, 59, 0.95);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(45, 212, 191, 0.2);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            opacity: 0;
            transform: translateY(20px);
            animation: toastIn 0.3s forwards, toastOut 0.3s forwards 2.7s;
            backdrop-filter: blur(4px);
        }
        @keyframes toastIn {
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes toastOut {
            to { opacity: 0; transform: translateY(10px); }
        }

        /* Hero iPhone Mockup Animations */
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
        }

        @keyframes slideUp {
            0%, 100% {
                transform: translateY(0);
                opacity: 1;
            }
            50% {
                transform: translateY(-10px);
                opacity: 0.85;
            }
        }

        /* Accessibility - Skip to Content Link */
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #14b8a6;
            color: white;
            padding: 0.75rem 1.5rem;
            text-decoration: none;
            font-weight: 600;
            z-index: 9999;
            border-radius: 0 0 0.5rem 0;
            transition: top 0.3s;
        }

        .skip-link:focus {
            top: 0;
            outline: 3px solid #2dd4bf;
            outline-offset: 2px;
        }

        /* Enhanced Focus Styles for Accessibility */
        *:focus {
            outline: 2px solid #14b8a6;
            outline-offset: 2px;
        }

        /* Focus visible for keyboard navigation only */
        *:focus:not(:focus-visible) {
            outline: none;
        }

        *:focus-visible {
            outline: 3px solid #2dd4bf;
            outline-offset: 3px;
            box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.2);
        }

        /* Enhanced button focus */
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid #2dd4bf;
            outline-offset: 3px;
            box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.3);
        }

        /* Form input focus (override default) */
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid #14b8a6;
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.15);
        }

        /* Error state focus */
        input[aria-invalid="true"]:focus-visible,
        textarea[aria-invalid="true"]:focus-visible {
            outline: 2px solid #ef4444;
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
        }

        /* High Contrast Mode Support */
        @media (prefers-contrast: high) {
            *:focus-visible {
                outline-width: 4px;
                outline-offset: 4px;
            }
        }

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

            .skip-link {
                transition: none;
            }
        }

        /* ===== MICRO-INTERACTIONS & ENHANCED ANIMATIONS ===== */

        /* Enhanced Button Hover Effects */
        button,
        a.button,
        .btn,
        [class*="bg-brand"] {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        button:hover,
        a.button:hover,
        .btn:hover {
            transform: translateY(-2px);
        }

        button:active,
        a.button:active,
        .btn:active {
            transform: translateY(0);
        }

        /* Primary Button Glow Effect */
        .bg-brand-600:hover,
        .bg-brand-500:hover {
            box-shadow: 0 0 20px rgba(20, 184, 166, 0.4),
                        0 0 40px rgba(20, 184, 166, 0.2);
            transform: translateY(-2px) scale(1.02);
        }

        /* Card Hover Effects */
        .glass:hover,
        .bg-dark-900:hover,
        [class*="rounded-"]:hover {
            transform: translateY(-4px);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        /* Link Hover Underline Animation */
        /* Apply to navigation menu links and content area text links */
        /* Exclude buttons (bg-* classes), logo links, and skip links */
        nav #desktop-menu a,
        nav #mobile-menu a,
        nav .hidden.lg\\:flex a:not([class*="bg-"]),
        main a:not([class*="bg-"]):not(.skip-link),
        footer a:not([class*="bg-"]):not(.skip-link),
        article a:not([class*="bg-"]):not(.skip-link) {
            position: relative;
        }

        nav #desktop-menu a::after,
        nav #mobile-menu a::after,
        nav .hidden.lg\\:flex a:not([class*="bg-"])::after,
        main a:not([class*="bg-"]):not(.skip-link)::after,
        footer a:not([class*="bg-"]):not(.skip-link)::after,
        article a:not([class*="bg-"]):not(.skip-link)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #2dd4bf;
            transition: width 0.3s ease;
        }

        nav #desktop-menu a:hover::after,
        nav #mobile-menu a:hover::after,
        nav .hidden.lg\\:flex a:not([class*="bg-"]):hover::after,
        main a:not([class*="bg-"]):not(.skip-link):hover::after,
        footer a:not([class*="bg-"]):not(.skip-link):hover::after,
        article a:not([class*="bg-"]):not(.skip-link):hover::after {
            width: 100%;
        }

        /* Mobile Menu Slide Animation */
        #mobile-menu {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transform: translateY(-10px);
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                        opacity 0.3s ease,
                        transform 0.3s ease;
        }

        #mobile-menu.open {
            max-height: 500px;
            opacity: 1;
            transform: translateY(0);
        }

        #mobile-menu a {
            opacity: 0;
            transform: translateX(-20px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        #mobile-menu.open a {
            opacity: 1;
            transform: translateX(0);
        }

        /* Stagger animation for menu items */
        #mobile-menu.open a:nth-child(1) { transition-delay: 0.05s; }
        #mobile-menu.open a:nth-child(2) { transition-delay: 0.1s; }
        #mobile-menu.open a:nth-child(3) { transition-delay: 0.15s; }
        #mobile-menu.open a:nth-child(4) { transition-delay: 0.2s; }
        #mobile-menu.open a:nth-child(5) { transition-delay: 0.25s; }
        #mobile-menu.open a:nth-child(6) { transition-delay: 0.3s; }

        /* Page Loading Animation */
        #page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #020617;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        #page-loader.loaded {
            opacity: 0;
            visibility: hidden;
        }

        .loader-logo {
            animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.1);
            }
        }

        /* Loading Spinner */
        .loader-spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(45, 212, 191, 0.1);
            border-top-color: #2dd4bf;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* AOS - Animate On Scroll */
        [data-aos] {
            opacity: 0;
            transition-property: opacity, transform;
            transition-duration: 0.6s;
            transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
        }

        [data-aos].aos-animate {
            opacity: 1;
        }

        /* Fade Up */
        [data-aos="fade-up"] {
            transform: translateY(30px);
        }

        [data-aos="fade-up"].aos-animate {
            transform: translateY(0);
        }

        /* Fade Down */
        [data-aos="fade-down"] {
            transform: translateY(-30px);
        }

        [data-aos="fade-down"].aos-animate {
            transform: translateY(0);
        }

        /* Fade Left */
        [data-aos="fade-left"] {
            transform: translateX(-30px);
        }

        [data-aos="fade-left"].aos-animate {
            transform: translateX(0);
        }

        /* Fade Right */
        [data-aos="fade-right"] {
            transform: translateX(30px);
        }

        [data-aos="fade-right"].aos-animate {
            transform: translateX(0);
        }

        /* Zoom In */
        [data-aos="zoom-in"] {
            transform: scale(0.9);
        }

        [data-aos="zoom-in"].aos-animate {
            transform: scale(1);
        }

        /* Zoom Out */
        [data-aos="zoom-out"] {
            transform: scale(1.1);
        }

        [data-aos="zoom-out"].aos-animate {
            transform: scale(1);
        }

        /* Flip */
        [data-aos="flip"] {
            transform: perspective(1000px) rotateY(-20deg);
        }

        [data-aos="flip"].aos-animate {
            transform: perspective(1000px) rotateY(0);
        }

        /* Slide Up */
        [data-aos="slide-up"] {
            transform: translateY(50px);
        }

        [data-aos="slide-up"].aos-animate {
            transform: translateY(0);
        }

        /* AOS Delays */
        [data-aos-delay="100"] { transition-delay: 0.1s; }
        [data-aos-delay="200"] { transition-delay: 0.2s; }
        [data-aos-delay="300"] { transition-delay: 0.3s; }
        [data-aos-delay="400"] { transition-delay: 0.4s; }
        [data-aos-delay="500"] { transition-delay: 0.5s; }
        [data-aos-delay="600"] { transition-delay: 0.6s; }
        [data-aos-delay="700"] { transition-delay: 0.7s; }
        [data-aos-delay="800"] { transition-delay: 0.8s; }

        /* AOS Durations */
        [data-aos-duration="300"] { transition-duration: 0.3s; }
        [data-aos-duration="400"] { transition-duration: 0.4s; }
        [data-aos-duration="500"] { transition-duration: 0.5s; }
        [data-aos-duration="600"] { transition-duration: 0.6s; }
        [data-aos-duration="800"] { transition-duration: 0.8s; }
        [data-aos-duration="1000"] { transition-duration: 1s; }

        /* Icon Rotation on Hover */
        .icon-rotate {
            transition: transform 0.3s ease;
        }

        .icon-rotate:hover {
            transform: rotate(10deg);
        }

        /* Button Ripple Effect */
        .ripple {
            position: relative;
            overflow: hidden;
        }

        .ripple::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .ripple:active::after {
            width: 300px;
            height: 300px;
        }

        /* Smooth Scroll Indicator */
        .scroll-indicator {
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(10px);
            }
        }

        /* Shimmer Loading Effect */
        @keyframes shimmer {
            0% {
                background-position: -1000px 0;
            }
            100% {
                background-position: 1000px 0;
            }
        }

        .shimmer {
            background: linear-gradient(
                90deg,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.05) 50%,
                rgba(255, 255, 255, 0) 100%
            );
            background-size: 1000px 100%;
            animation: shimmer 2s infinite;
        }

        /* Float Animation for Phone Mockup */
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
        }

        /* Float Animation for Phone Mockup - Smaller Range */
        @keyframes floatSmall {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        /* Slide Up Animation for Notification */
        @keyframes slideUp {
            0%, 100% {
                transform: translateY(0px);
                opacity: 1;
            }
            50% {
                transform: translateY(-5px);
                opacity: 0.95;
            }
        }

        /* Hero Section Enhancement - Add bottom fade to separate from trust bar */
        .hero-bg::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 300px;
            background: linear-gradient(to bottom, transparent 0%, rgba(2, 6, 23, 0.6) 40%, rgba(2, 6, 23, 0.95) 80%, rgba(2, 6, 23, 1) 100%);
            pointer-events: none;
            z-index: 10;
        }

        /* ===== HARDWARE WALLET TO PHONE ANIMATION ===== */
        /* Story flow (8s cycle):
           0-2s: Hardware wallet confirms transaction
           2-4s: Signal transfers from wallet to phone
           4-7s: Phone receives notification
           7-8s: Reset for next cycle
        */

        /* Ledger Button Press Animation - Simulates user pressing buttons */
        @keyframes buttonPress {
            0%, 100% {
                transform: scale(1);
                background-color: rgb(55, 65, 81);
            }
            5% {
                transform: scale(0.95);
                background-color: rgb(20, 184, 166);
                box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.3);
            }
            10% {
                transform: scale(1);
            }
            15% {
                background-color: rgb(55, 65, 81);
                box-shadow: 0 0 0 0 rgba(20, 184, 166, 0);
            }
        }

        .button-pulse-left {
            animation: buttonPress 8s ease-in-out infinite;
        }

        .button-pulse-right {
            animation: buttonPress 8s ease-in-out infinite 0.1s;
        }

        /* Ledger Screen Success Flash */
        @keyframes screenFlash {
            0%, 20%, 100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
            }
            22% {
                opacity: 1;
                box-shadow: 0 0 20px 5px rgba(16, 185, 129, 0.6);
            }
            25% {
                opacity: 1;
            }
        }

        .ledger-screen-content {
            animation: screenFlash 8s ease-in-out infinite;
        }

        /* Signal Transfer - Waves moving left to right */
        @keyframes signalWave {
            0%, 20% {
                opacity: 0;
                transform: translateX(-50px) scale(0.5);
            }
            25% {
                opacity: 0.3;
                transform: translateX(-25px) scale(0.8);
            }
            30% {
                opacity: 1;
                transform: translateX(0) scale(1.2);
            }
            35% {
                opacity: 0.3;
                transform: translateX(25px) scale(0.8);
            }
            40%, 100% {
                opacity: 0;
                transform: translateX(50px) scale(0.5);
            }
        }

        .signal-dot {
            animation: signalWave 8s ease-in-out infinite;
        }

        /* Signal Arrow Push */
        @keyframes arrowPush {
            0%, 20% {
                opacity: 0.3;
                transform: translateX(0);
            }
            25% {
                opacity: 0.7;
                transform: translateX(3px);
            }
            30% {
                opacity: 1;
                transform: translateX(6px);
            }
            35% {
                opacity: 0.7;
                transform: translateX(3px);
            }
            40%, 100% {
                opacity: 0.3;
                transform: translateX(0);
            }
        }

        .signal-arrow {
            animation: arrowPush 8s ease-in-out infinite;
        }

        /* Notification Popup with Vibration */
        @keyframes notificationSlide {
            0%, 45% {
                opacity: 0;
                transform: translateY(-100%) scale(0.8);
            }
            50% {
                opacity: 1;
                transform: translateY(0) scale(1.1);
            }
            52% {
                transform: translateY(-3px) scale(1.05);
            }
            54% {
                transform: translateY(0) scale(1.03);
            }
            56% {
                transform: translateY(-2px) scale(1.02);
            }
            58% {
                transform: translateY(0) scale(1);
            }
            85% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
            95% {
                opacity: 0;
                transform: translateY(-15px) scale(0.95);
            }
            100% {
                opacity: 0;
                transform: translateY(-100%) scale(0.8);
            }
        }

        .notification-popup {
            animation: notificationSlide 8s ease-in-out infinite;
        }

        /* ===== MOBILE VERTICAL SIGNAL ANIMATIONS ===== */

        /* Vertical Signal Transfer - Waves moving top to bottom */
        @keyframes signalWaveVertical {
            0%, 20% {
                opacity: 0;
                transform: translateY(-50px) scale(0.5);
            }
            25% {
                opacity: 0.3;
                transform: translateY(-25px) scale(0.8);
            }
            30% {
                opacity: 1;
                transform: translateY(0) scale(1.2);
            }
            35% {
                opacity: 0.3;
                transform: translateY(25px) scale(0.8);
            }
            40%, 100% {
                opacity: 0;
                transform: translateY(50px) scale(0.5);
            }
        }

        .signal-dot-vertical {
            animation: signalWaveVertical 8s ease-in-out infinite;
        }

        /* Vertical Arrow Push Down */
        @keyframes arrowPushVertical {
            0%, 20% {
                opacity: 0.3;
                transform: translateY(0);
            }
            25% {
                opacity: 0.7;
                transform: translateY(3px);
            }
            30% {
                opacity: 1;
                transform: translateY(6px);
            }
            35% {
                opacity: 0.7;
                transform: translateY(3px);
            }
            40%, 100% {
                opacity: 0.3;
                transform: translateY(0);
            }
        }

        .signal-arrow-vertical {
            animation: arrowPushVertical 8s ease-in-out infinite;
        }