* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%);
            overflow-x: hidden;
        }
        
        /* Modern Glassmorphism Background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 15% 50%, rgba(200, 16, 46, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 85% 30%, rgba(200, 16, 46, 0.05) 0%, transparent 35%),
                radial-gradient(circle at 50% 80%, rgba(44, 62, 80, 0.05) 0%, transparent 40%);
            z-index: -1;
            pointer-events: none;
        }

        /* Floating orbs for modern effect */
        body::after {
            content: '';
            position: fixed;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 16, 46, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            top: -100px;
            right: -100px;
            z-index: -1;
            animation: float 8s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(-30px, 30px) scale(1.1); }
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        
        /* Header - Modern Glassmorphism */
        header {
            padding: 20px 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(200, 16, 46, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: 700;
            color: #c8102e; /* Japanese-inspired deep red */
            position: relative;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            height: 40px;
            width: auto;
            display: block;
            object-fit: contain;
        }
        
        .nav-links {
            display: flex;
            gap: 35px;
            list-style: none;
        }

        /* Mobile Menu Button */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 24px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 101;
        }

        .hamburger-line {
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #2c3e50, #c8102e);
            transition: all 0.3s ease;
            transform-origin: center;
            border-radius: 2px;
        }

        .mobile-menu-btn:hover .hamburger-line {
            background: linear-gradient(90deg, #c8102e, #e74c3c);
        }

        /* Mobile menu button active state (X animation) */
        .mobile-menu-btn.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        
        .nav-links a {
            text-decoration: none;
            color: #495057;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #c8102e, #e74c3c);
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: #c8102e;
        }

        .nav-links a:hover::after {
            width: 100%;
        }
        
        /* Hero Section - Modern Glassmorphism */
        .hero {
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 16, 46, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: -1;
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
            50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
        }

        .hero h1 {
            font-size: 52px;
            margin-bottom: 20px;
            color: #2c3e50;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .hero .highlight {
            background: linear-gradient(135deg, #c8102e 0%, #e74c3c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }

        .hero .highlight::before {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #c8102e, #e74c3c, #c8102e);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .hero:hover .highlight::before {
            transform: scaleX(1);
        }

        .hero p {
            font-size: 20px;
            color: #495057;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .store-badge {
            height: 55px;
            cursor: pointer;
            opacity: 0.9;
            transition: all 0.3s ease;
            filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
            position: relative;
        }

        .store-badge::before {
            content: '';
            position: absolute;
            top: -5px;
            left: -5px;
            right: -5px;
            bottom: -5px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(200, 16, 46, 0.1), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .store-badge:hover {
            opacity: 1;
            transform: translateY(-4px);
            filter: drop-shadow(0 8px 20px rgba(200, 16, 46, 0.2));
        }

        .store-badge:hover::before {
            opacity: 1;
        }

        .hero-trust {
            margin-top: 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: rgba(255, 255, 255, 0.65);
            text-transform: uppercase;
        }

        /* Modern Glass Card Style */
        .glass-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 16px;
            padding: 40px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }

        .glass-card:hover {
            background: rgba(255, 255, 255, 0.85);
            border-color: rgba(200, 16, 46, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(200, 16, 46, 0.15);
        }

        /* Problem Section - Modern Glassmorphism */
        .problem-section {
            padding: 60px 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.7) 100%);
            backdrop-filter: blur(10px);
        }

        .problem-section h2 {
            text-align: center;
            font-size: 36px;
            margin-bottom: 50px;
            color: #2c3e50;
            font-weight: 700;
        }

        .problem-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .problem-card {
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            padding: 32px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            position: relative;
            overflow: hidden;
        }

        .problem-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #c8102e, #e74c3c, #c8102e);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .problem-card:hover {
            background: rgba(255, 255, 255, 0.8);
            border-color: rgba(200, 16, 46, 0.3);
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 60px rgba(200, 16, 46, 0.2);
        }

        .problem-card:hover::before {
            opacity: 1;
        }

        .problem-card .icon {
            width: 52px;
            height: 52px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 16, 46, 0.07);
            border-radius: 14px;
            transition: all 0.3s ease;
        }

        .problem-card .icon svg {
            width: 26px;
            height: 26px;
            color: #c8102e;
        }

        .problem-card:hover .icon {
            transform: scale(1.1) rotate(5deg);
            background: rgba(200, 16, 46, 0.13);
        }
        
        .problem-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #2c3e50;
            font-weight: 600;
        }

        .problem-card p {
            color: #495057;
            line-height: 1.6;
            font-size: 16px;
        }
        
        /* Features Section - Modern Glassmorphism */
        .features {
            padding: 60px 0;
            background: linear-gradient(180deg, rgba(248, 249, 250, 0.6) 0%, rgba(255, 255, 255, 0.4) 100%);
        }

        .features h2 {
            text-align: center;
            font-size: 36px;
            margin-bottom: 50px;
            color: #2c3e50;
            font-weight: 700;
        }

        .feature-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
            align-items: center;
            background: rgba(255, 255, 255, 0.65);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 24px;
            padding: 40px;
            transition: all 0.4s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
        }

        .feature-item:hover {
            background: rgba(255, 255, 255, 0.85);
            border-color: rgba(200, 16, 46, 0.2);
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(200, 16, 46, 0.15);
        }

        .smart-tagline {
            font-size: 18px !important;
            font-weight: 600;
            color: #c8102e !important;
            margin-bottom: 16px !important;
        }

        .smart-bullets {
            list-style: none;
            margin: 16px 0 0 0;
            padding: 0;
        }

        .smart-bullets li {
            position: relative;
            padding: 12px 16px 12px 48px;
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(200, 16, 46, 0.1);
            border-radius: 14px;
            color: #495057;
            font-size: 16px;
            line-height: 1.6;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .smart-bullets li::before {
            content: '✓';
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            background: rgba(200, 16, 46, 0.08);
            border-radius: 50%;
            color: #c8102e;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .smart-bullets li:hover {
            transform: translateX(2px);
            border-color: rgba(200, 16, 46, 0.2);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }

        .feature-item:nth-child(even) .feature-content {
            order: 2;
        }

        .feature-item:nth-child(even) .feature-visual {
            order: 1;
        }

        .feature-content h3 {
            font-size: 28px;
            margin-bottom: 16px;
            color: #2c3e50;
            font-weight: 700;
        }

        .feature-content p {
            color: #495057;
            font-size: 17px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-visual {
            background: linear-gradient(135deg, rgba(200, 16, 46, 0.05) 0%, rgba(200, 16, 46, 0.1) 100%);
            height: 350px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 16px;
            text-align: center;
            padding: 24px;
            border: 1px solid rgba(200, 16, 46, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .feature-visual::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                45deg,
                transparent 40%,
                rgba(255, 255, 255, 0.3) 50%,
                transparent 60%
            );
            animation: shine 3s ease-in-out infinite;
        }

        @keyframes shine {
            0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
            100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
        }

        /* Feature videos — 720x1614 portrait phone mockups */
        .feature-visual.feature-video {
            background: none;
            border: none;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
            padding: 0;
            height: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: visible;
        }

        .feature-visual.feature-video::before {
            display: none;
        }

        .feature-visual.feature-video video {
            width: auto;
            max-width: 100%;
            height: auto;
            max-height: 560px;
            aspect-ratio: 720 / 1430;
            object-fit: cover;
            object-position: center 45%;
            border-radius: 28px;
            background: #000;
            display: block;
        }

        .feature-visual.feature-video.read video {
            box-shadow: 0 20px 60px rgba(129, 212, 250, 0.35);
        }

        .feature-visual.feature-video.smart video {
            box-shadow: 0 20px 60px rgba(200, 16, 46, 0.4);
        }

        .feature-visual.feature-video.dict video {
            box-shadow: 0 20px 60px rgba(0, 172, 193, 0.35);
        }

        .feature-visual.feature-video.coll video {
            box-shadow: 0 20px 60px rgba(238, 90, 90, 0.35);
        }
        
        /* How It Works - compact strip */
        .how-it-works {
            padding: 24px 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(248, 249, 250, 0.5) 100%);
        }

        .steps-strip {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px 16px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 50px;
            padding: 14px 32px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .strip-label {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #c8102e;
            margin-right: 8px;
        }

        .step-strip-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: #2c3e50;
        }

        .step-num {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #c8102e 0%, #e74c3c 100%);
            color: #fff;
            border-radius: 7px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
        }

        .step-arrow {
            color: rgba(45, 106, 159, 0.45);
            font-size: 16px;
            line-height: 1;
        }
        
        /* Roadmap - Modern Glassmorphism */
        .roadmap {
            padding: 60px 0;
            background: linear-gradient(180deg, rgba(248, 249, 250, 0.6) 0%, rgba(255, 255, 255, 0.4) 100%);
        }

        .roadmap h2 {
            text-align: center;
            font-size: 36px;
            margin-bottom: 16px;
            color: #2c3e50;
            font-weight: 700;
        }

        .roadmap-intro {
            text-align: center;
            color: #495057;
            margin-bottom: 50px;
            font-size: 18px;
            line-height: 1.6;
        }

        .roadmap-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 24px;
        }

        .roadmap-column {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 20px;
            padding: 32px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
        }

        .roadmap-column:hover {
            background: rgba(255, 255, 255, 0.85);
            border-color: rgba(200, 16, 46, 0.3);
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(200, 16, 46, 0.15);
        }

        .roadmap-column h3 {
            font-size: 24px;
            margin-bottom: 24px;
            color: #2c3e50;
            font-weight: 700;
        }

        .roadmap-column.live h3 {
            color: #28a745;
        }

        .roadmap-column.soon h3 {
            color: #2d6a9f;
        }

        .roadmap-column.soon:hover {
            border-color: rgba(45, 106, 159, 0.3);
            box-shadow: 0 16px 48px rgba(45, 106, 159, 0.15);
        }
        
        .roadmap-list {
            list-style: none;
        }

        .roadmap-list > li {
            padding: 12px 0;
            padding-left: 32px;
            position: relative;
            color: #495057;
            line-height: 1.5;
            font-size: 16px;
        }

        .roadmap-list > li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #28a745;
            font-weight: 700;
            font-size: 18px;
        }

        .roadmap-column.soon .roadmap-list > li:before {
            content: "→";
            color: #2d6a9f;
        }

        .roadmap-sublist {
            list-style: none;
            margin: 8px 0 4px;
            padding-left: 4px;
        }

        .roadmap-sublist li {
            padding: 6px 0 6px 20px;
            position: relative;
            color: #6c757d;
            line-height: 1.5;
            font-size: 15px;
        }

        .roadmap-sublist li:before {
            content: "•";
            position: absolute;
            left: 4px;
            top: 4px;
            color: rgba(45, 106, 159, 0.55);
            font-size: 18px;
            line-height: 1;
        }

        .dict-note {
            font-size: 0.78em;
            color: #6c757d;
            font-weight: 400;
            margin-left: 4px;
        }

        /* Support Section - Modern Glassmorphism */
        .support {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 24px;
            padding: 50px 40px;
            text-align: center;
            margin: 60px 0;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .support::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #c8102e, #e74c3c, #c8102e);
        }

        .support:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 50px rgba(200, 16, 46, 0.15);
        }

        .support h2 {
            font-size: 32px;
            margin-bottom: 16px;
            color: #2c3e50;
            font-weight: 700;
        }

        .support p {
            font-size: 18px;
            margin-bottom: 32px;
            color: #495057;
            line-height: 1.6;
        }
        
        /* Footer - Modern Glassmorphism */
        footer {
            background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(200, 16, 46, 0.3), transparent);
        }

        footer p {
            color: #adb5bd;
            line-height: 1.6;
            font-size: 15px;
        }

        footer a {
            color: #fff;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
        }

        footer a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: #c8102e;
            transition: width 0.3s ease;
        }

        footer a:hover {
            color: #c8102e;
        }

        footer a:hover::after {
            width: 100%;
        }
        
        /* Responsive - clean mobile experience */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 17px;
            }

            .feature-item {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 24px;
            }

            .feature-item:nth-child(even) .feature-content,
            .feature-item:nth-child(even) .feature-visual {
                order: 0;
            }

            .feature-visual.feature-video video {
                max-height: 70vh;
                max-width: 280px;
            }

            /* Mobile Menu Styles */
            .mobile-menu-btn {
                display: flex;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(255, 255, 255, 0.9);
                backdrop-filter: blur(25px);
                -webkit-backdrop-filter: blur(25px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 30px;
                padding: 80px 20px;
                z-index: 100;
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

            .nav-links.active {
                display: flex;
                opacity: 1;
                visibility: visible;
            }

            .nav-links li {
                opacity: 0;
                transform: translateY(20px);
                transition: all 0.3s ease;
            }

            .nav-links.active li {
                opacity: 1;
                transform: translateY(0);
            }

            .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
            .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
            .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
            .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }
            .nav-links.active li:nth-child(5) { transition-delay: 0.5s; }

            .nav-links a {
                font-size: 24px;
                color: #2c3e50;
                font-weight: 600;
            }

            .nav-links a:hover {
                color: #c8102e;
                transform: scale(1.05);
            }

            .lang-icons {
                margin-left: 0 !important;
                margin-top: 20px;
            }

            .lang-icons img {
                width: 32px;
                height: 24px;
            }

            .problem-section h2,
            .features h2,
            .how-it-works h2,
            .roadmap h2 {
                font-size: 28px;
            }
        }