:root {
            --vh: 1vh;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'DM Sans', sans-serif;
            background-color: #0a0e1a;
            color: #F8FAFC;
            overflow-x: hidden;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #0a0e1a;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #8B5CF6, #00D4FF);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(180deg, #A78BFA, #0EA5E9);
        }

        /* Glow Effects */
        .glow-primary {
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
        }

        .glow-cta {
            box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
        }

        .text-glow {
            text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
        }

        /* Gradient Background - Tech Blue Theme */
        .hero-gradient {
            background: linear-gradient(135deg, #0a0e1a 0%, #0f172a 30%, #1a1f3a 50%, #0f172a 70%, #0a0e1a 100%);
            min-height: calc(100 * var(--vh, 1vh));
        }

        /* Animated Cyber Grid */
        .grid-bg {
            background-image:
                linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px),
                linear-gradient(rgba(139, 92, 246, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 92, 246, 0.05) 1px, transparent 1px);
            background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
            animation: gridMove 30s linear infinite;
        }

        @keyframes gridMove {
            0% { background-position: 0 0, 0 0, 0 0, 0 0; }
            100% { background-position: 100px 100px, 100px 100px, 20px 20px, 20px 20px; }
        }

        /* Tech Particles */
        .tech-particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.8) 0%, transparent 70%);
            border-radius: 50%;
            animation: particleFloat 15s infinite ease-in-out;
        }

        @keyframes particleFloat {
            0%, 100% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
                transform: scale(1);
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) scale(0);
                opacity: 0;
            }
        }

        /* Floating Animation */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .float-animation {
            animation: float 3s ease-in-out infinite;
        }

        /* Pulse Animation */
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.4); }
            50% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.8), 0 0 60px rgba(245, 158, 11, 0.3); }
        }

        .pulse-glow {
            animation: pulse-glow 2s ease-in-out infinite;
        }

        /* Marquee Animation */
        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .marquee {
            animation: marquee 30s linear infinite;
        }

        /* Card Hover Effect */
        .card-hover {
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .card-hover:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 25px 50px rgba(139, 92, 246, 0.2), 0 0 30px rgba(245, 158, 11, 0.1);
            border-color: rgba(139, 92, 246, 0.5);
        }

        /* Button Shine Effect */
        .btn-shine {
            position: relative;
            overflow: hidden;
        }

        .btn-shine::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }

        .btn-shine:hover::before {
            left: 100%;
        }

        /* Sun Ray Button Effect */
        .btn-sunray {
            position: relative;
            overflow: visible;
            animation: sunPulse 2s ease-in-out infinite;
        }

        .btn-sunray::before,
        .btn-sunray::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            transform: translate(-50%, -50%);
            border-radius: inherit;
            z-index: -1;
        }

        .btn-sunray::before {
            background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, rgba(139, 92, 246, 0) 70%);
            animation: sunGlow 2s ease-in-out infinite;
        }

        .btn-sunray::after {
            background: transparent;
            box-shadow:
                0 0 20px rgba(139, 92, 246, 0.6),
                0 0 40px rgba(139, 92, 246, 0.4),
                0 0 60px rgba(139, 92, 246, 0.2),
                0 0 80px rgba(0, 212, 255, 0.3);
            animation: sunRays 3s linear infinite;
        }

        @keyframes sunPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.02); }
        }

        @keyframes sunGlow {
            0%, 100% {
                opacity: 0.8;
                transform: translate(-50%, -50%) scale(1);
            }
            50% {
                opacity: 1;
                transform: translate(-50%, -50%) scale(1.5);
            }
        }

        @keyframes sunRays {
            0% {
                box-shadow:
                    0 0 20px rgba(139, 92, 246, 0.6),
                    0 0 40px rgba(139, 92, 246, 0.4),
                    0 0 60px rgba(139, 92, 246, 0.2),
                    0 0 80px rgba(0, 212, 255, 0.3);
            }
            50% {
                box-shadow:
                    0 0 30px rgba(139, 92, 246, 0.8),
                    0 0 60px rgba(139, 92, 246, 0.6),
                    0 0 90px rgba(139, 92, 246, 0.4),
                    0 0 120px rgba(0, 212, 255, 0.5),
                    0 0 150px rgba(245, 158, 11, 0.3);
            }
            100% {
                box-shadow:
                    0 0 20px rgba(139, 92, 246, 0.6),
                    0 0 40px rgba(139, 92, 246, 0.4),
                    0 0 60px rgba(139, 92, 246, 0.2),
                    0 0 80px rgba(0, 212, 255, 0.3);
            }
        }

        .btn-sunray:hover {
            transform: scale(1.05);
            box-shadow:
                0 0 30px rgba(139, 92, 246, 1),
                0 0 60px rgba(139, 92, 246, 0.8),
                0 0 90px rgba(0, 212, 255, 0.6),
                0 0 120px rgba(245, 158, 11, 0.4);
        }

        /* Progress Bar Animation */
        @keyframes progressFill {
            from { width: 0%; }
            to { width: var(--progress); }
        }

        .progress-bar {
            animation: progressFill 2s ease-out forwards;
        }

        /* Counter Animation */
        .counter {
            font-variant-numeric: tabular-nums;
        }

        /* Scroll Reveal Animations */
        .reveal {
            opacity: 0;
            transform: translateY(60px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-left {
            opacity: 0;
            transform: translateX(-80px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal-left.active {
            opacity: 1;
            transform: translateX(0);
        }

        .reveal-right {
            opacity: 0;
            transform: translateX(80px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal-right.active {
            opacity: 1;
            transform: translateX(0);
        }

        .reveal-scale {
            opacity: 0;
            transform: scale(0.8);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal-scale.active {
            opacity: 1;
            transform: scale(1);
        }

        /* Video Play Button - Rotating Circle Text */
        .play-btn-wrap {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .play-wrapper {
            position: relative;
            width: 500px;
            height: 500px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
        }

        .round-logo {
            position: absolute;
            width: 100%;
            height: 100%;
            animation: rotateText 12s linear infinite;
        }

        @keyframes rotateText {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .letter {
            position: absolute;
            top: 50%;
            left: 50%;
            font-family: 'Space Grotesk', sans-serif;
            font-size: 20px;
            font-weight: 600;
            color: #00D4FF;
            text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
            transform-origin: 0 0;
        }

        .play-btn {
            width: 280px; /* Increased size */
            height: 280px; /* Increased size */
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(0, 212, 255, 0.2));
            border: 4px solid rgba(0, 212, 255, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .play-btn::before {
            display: none;
        }

        .play-btn img {
            width: 70%; /* Scale image relative to container */
            height: 70%;
            object-fit: contain;
            filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.8));
            transition: all 0.3s ease;
        }

        .play-btn:hover img {
            filter: drop-shadow(0 0 25px rgba(139, 92, 246, 1));
            transform: scale(1.1);
        }

        .play-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(139, 92, 246, 0.5), 0 0 60px rgba(0, 212, 255, 0.3);
            border-color: #00D4FF;
        }

        /* Pulsing rings around play button */
        .pulse-ring {
            position: absolute;
            width: 280px;
            height: 280px;
            border: 2px solid rgba(139, 92, 246, 0.3);
            border-radius: 50%;
            animation: pulseRing 2s ease-out infinite;
        }

        .pulse-ring:nth-child(2) {
            animation-delay: 0.5s;
        }

        .pulse-ring:nth-child(3) {
            animation-delay: 1s;
        }

        @keyframes pulseRing {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(2);
                opacity: 0;
            }
        }

        /* Video Popup */
        .video-popup {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.95);
            z-index: 9999;
            display: none;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .video-popup.active {
            display: flex;
            opacity: 1;
        }

        .video-popup-wrapper {
            position: relative;
            width: 90%;
            max-width: 900px;
        }

        .video-popup-wrapper video {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 0 50px rgba(139, 92, 246, 0.3);
        }

        .close-button {
            position: absolute;
            top: -50px;
            right: 0;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .close-button span {
            position: absolute;
            width: 30px;
            height: 3px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .close-button span:first-child {
            transform: rotate(45deg);
        }

        .close-button span:last-child {
            transform: rotate(-45deg);
        }

        .close-button:hover span {
            background: #F59E0B;
        }

        /* Tech Line Decoration */
        .tech-line {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.5), rgba(245, 158, 11, 0.5), transparent);
        }

        /* Glitch Effect */
        .glitch {
            position: relative;
        }

        .glitch::before,
        .glitch::after {
            content: attr(data-text);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .glitch::before {
            animation: glitch-1 2s infinite linear alternate-reverse;
            color: #00D4FF;
            z-index: -1;
        }

        .glitch::after {
            animation: glitch-2 3s infinite linear alternate-reverse;
            color: #8B5CF6;
            z-index: -2;
        }

        @keyframes glitch-1 {
            0%, 100% { clip-path: inset(0 0 95% 0); transform: translate(-2px, 2px); }
            20% { clip-path: inset(30% 0 60% 0); transform: translate(2px, -2px); }
            40% { clip-path: inset(50% 0 30% 0); transform: translate(-2px, 2px); }
            60% { clip-path: inset(70% 0 10% 0); transform: translate(2px, -2px); }
            80% { clip-path: inset(10% 0 80% 0); transform: translate(-2px, 2px); }
        }

        @keyframes glitch-2 {
            0%, 100% { clip-path: inset(95% 0 0 0); transform: translate(2px, -2px); }
            20% { clip-path: inset(60% 0 30% 0); transform: translate(-2px, 2px); }
            40% { clip-path: inset(30% 0 50% 0); transform: translate(2px, -2px); }
            60% { clip-path: inset(10% 0 70% 0); transform: translate(-2px, 2px); }
            80% { clip-path: inset(80% 0 10% 0); transform: translate(2px, -2px); }
        }

        /* Neon Border Animation */
        @keyframes neonBorder {
            0%, 100% {
                border-color: rgba(0, 212, 255, 0.5);
                box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
            }
            50% {
                border-color: rgba(139, 92, 246, 0.5);
                box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
            }
        }

        .neon-border {
            animation: neonBorder 3s ease-in-out infinite;
        }

        /* ==================== H5 Mobile Responsive Styles ==================== */

        /* Large tablets and small desktops */
        @media (max-width: 1024px) {
            .play-wrapper {
                width: 450px;
                height: 450px;
            }
            .play-btn {
                width: 240px; /* Increased from 220px */
                height: 240px;
            }
            .pulse-ring {
                width: 260px; /* Adjusted */
                height: 260px;
            }
            .letter {
                font-size: 18px;
            }
        }

        /* Tablets */
        @media (max-width: 768px) {
            .play-wrapper {
                width: 360px;
                height: 360px;
            }
            .play-btn {
                width: 200px; /* Increased from 180px */
                height: 200px;
            }
            .pulse-ring {
                width: 220px; /* Adjusted */
                height: 220px;
            }
            .letter {
                font-size: 14px;
            }
            .round-logo .letter {
                transform-origin: 0 0 !important;
            }

            /* Adjust letter positions for tablet */
            .round-logo span[style*="translateX"] {
                /* Will be handled by JS or inline adjustments */
            }

            .btn-sunray::after {
                animation: none;
                box-shadow: 0 0 30px rgba(139, 92, 246, 0.6), 0 0 50px rgba(0, 212, 255, 0.4);
            }
        }

        /* Mobile phones */
        @media (max-width: 640px) {
            .play-btn-wrap {
                transform: scale(1);
            }
            .play-wrapper {
                width: 360px;
                height: 360px;
            }
            .play-btn {
                width: 200px;
                height: 200px;
                border-width: 3px;
            }
            .pulse-ring {
                width: 220px;
                height: 220px;
            }
            .letter {
                font-size: 15px;
            }

            /* Reduce letter radius for mobile */
            .round-logo span {
                --letter-radius: 140px;
            }

            .btn-sunray::before,
            .btn-sunray::after {
                animation: none;
            }

            .btn-sunray {
                box-shadow: 0 0 20px rgba(139, 92, 246, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
            }

            /* Faster marquee on mobile */
            .marquee {
                animation: marquee 8s linear infinite;
            }

            /* ===== Header Mobile Styles (640px) ===== */
            header {
                position: fixed !important;
                top: 0 !important;
                left: 0 !important;
                right: 0 !important;
                width: 100% !important;
                padding: 0 !important;
                background: rgba(10, 14, 26, 0.95) !important;
                backdrop-filter: blur(12px) !important;
                -webkit-backdrop-filter: blur(12px) !important;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
                z-index: 999 !important;
            }
            header nav {
                padding: 0.75rem 1.25rem !important; /* Increased padding */
                background: transparent !important;
                border: none !important;
                border-radius: 0 !important;
                box-shadow: none !important;
                /* Handle Safe Area */
                padding-top: calc(0.75rem + env(safe-area-inset-top)) !important;
                padding-left: calc(1.25rem + env(safe-area-inset-left)) !important;
                padding-right: calc(1.25rem + env(safe-area-inset-right)) !important;
            }
            .nav-inner {
                display: flex !important;
                flex-direction: row !important;
                flex-wrap: nowrap !important;
                justify-content: space-between !important;
                align-items: center !important;
                gap: 0.5rem !important;
                width: 100% !important;
            }
            .nav-logo {
                display: flex !important;
                align-items: center !important;
                gap: 0.5rem !important;
                flex-shrink: 0 !important;
            }
            .nav-logo-icon {
                width: 32px !important;
                height: 32px !important;
                min-width: 32px !important;
            }
            .nav-logo-icon svg {
                width: 18px !important;
                height: 18px !important;
            }
            .nav-logo-text {
                font-size: 1rem !important;
                white-space: nowrap !important;
            }
            .nav-btn {
                font-size: 0.85rem !important; /* Restore font size */
                padding: 0.5rem 1.25rem !important; /* Larger padding */
                width: auto !important; /* Auto width */
                height: auto !important;
                min-width: 80px !important; /* Min width */
                display: inline-flex !important;
                align-items: center !important;
                justify-content: center !important;
                border-radius: 0.75rem !important;
                background: linear-gradient(135deg, #8B5CF6, #00D4FF) !important;
                position: relative !important;
                flex-shrink: 0 !important;
                margin-left: auto !important;
                white-space: nowrap !important;
            }
            /* Reset pseudo-element */
            .nav-btn::after {
                display: none !important;
            }

            /* Hero section padding for mobile header */
            .hero-gradient {
                padding-top: calc(5.5rem + env(safe-area-inset-top)) !important;
            }
        }

        /* Small mobile phones */
        @media (max-width: 400px) {
            .play-btn-wrap {
                transform: scale(1);
            }
            .play-wrapper {
                width: 320px;
                height: 320px;
            }
            .play-btn {
                width: 200px; /* Increased from 180px */
                height: 200px;
            }
            .pulse-ring {
                width: 220px; /* Adjusted */
                height: 220px;
            }
            .letter {
                font-size: 13px;
            }

            .round-logo span {
                --letter-radius: 120px;
            }

            /* Faster marquee on small mobile */
            .marquee {
                animation: marquee 6s linear infinite;
            }

            /* ===== Header Small Mobile Styles (400px) ===== */
            header nav {
                padding: 0.5rem 1rem !important;
                padding-top: calc(0.5rem + env(safe-area-inset-top)) !important;
            }
            .nav-logo-icon {
                width: 28px !important;
                height: 28px !important;
                min-width: 28px !important;
            }
            .nav-logo-text {
                font-size: 0.9rem !important;
            }
            /* Shorten text on very small screens */
            .nav-btn {
                font-size: 0 !important;
                width: 40px !important;
                height: 40px !important;
                min-width: 0 !important;
                padding: 0 !important;
                border-radius: 50% !important;
            }
            .nav-btn::after {
                content: '';
                display: block !important;
                width: 20px;
                height: 20px;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M5 12h14M12 5l7 7-7 7'/%3E%3C/svg%3E");
                background-size: contain;
                background-repeat: no-repeat;
                background-position: center;
            }

            /* Hero section padding for mobile */
            .hero-gradient {
                padding-top: calc(5rem + env(safe-area-inset-top)) !important;
            }
        }

        /* Touch device optimizations */
        @media (hover: none) and (pointer: coarse) {
            .play-btn {
                transition: none;
            }
            .play-btn:active {
                transform: scale(0.95);
            }
            .card-hover:hover {
                transform: none;
            }
            .card-hover:active {
                transform: scale(0.98);
            }
            .btn-shine::before {
                display: none;
            }
            button:active {
                transform: scale(0.97);
            }
        }

        /* Landscape mode on mobile */
        @media (max-height: 500px) and (orientation: landscape) {
            .play-btn-wrap {
                transform: scale(0.8);
            }
            .hero-gradient {
                min-height: 100vh;
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .marquee {
                animation: marquee 6s linear infinite;
            }
        }

        /* High DPI screens */
        @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
            .letter {
                text-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
            }
            .play-btn {
                border-width: 3px;
            }
        }

        /* Safe area for notched phones (iPhone X+) */
        @supports (padding-top: env(safe-area-inset-top)) {
            body {
                padding-top: env(safe-area-inset-top);
                padding-bottom: env(safe-area-inset-bottom);
                padding-left: env(safe-area-inset-left);
                padding-right: env(safe-area-inset-right);
            }
            header {
                padding-top: calc(1rem + env(safe-area-inset-top));
            }
        }

        /* Reduce motion for accessibility */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            .marquee {
                animation: none;
            }
            .round-logo {
                animation: none;
            }
        }

        /* Dark mode preference (already dark, but ensure contrast) */
        @media (prefers-color-scheme: light) {
            /* Keep dark theme regardless of system preference */
            body {
                background-color: #0a0e1a;
                color: #F8FAFC;
            }
        }

        /* Print styles */
        @media print {
            .play-btn-wrap,
            .pulse-ring,
            .tech-particles,
            .video-popup {
                display: none !important;
            }
        }