* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #1a202c;
            background: #ffffff;
            overflow-x: hidden;
        }

        .header {
            background: rgba(247, 250, 252, 0.7);
            padding: 1.25rem 2rem;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
            border-bottom: 1px solid #e2e8f0;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 3rem;
            position: relative;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            width: 25px;
            height: 3px;
            background: #1a202c;
            transition: all 0.3s ease;
            border-radius: 3px;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        .nav-left {
            display: flex;
            gap: 2.5rem;
            list-style: none;
            flex: 1;
        }

        .logo {
            font-size: 1.75rem;
            font-weight: 700;
            color: #890d26;
            flex: 0 0 auto;
            letter-spacing: -0.5px;
            font-family: 'Midnight Angel', cursive, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        .nav-right {
            display: flex;
            gap: 1rem;
            list-style: none;
            flex: 1;
            justify-content: flex-end;
            align-items: center;
        }

        .mobile-overlay {
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav {
            display: block;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: -2px 0 10px rgba(0,0,0,0.1);
            padding: 80px 0 2rem;
            transition: right 0.3s ease;
            z-index: 999;
            overflow-y: auto;
        }

        .mobile-nav.active {
            right: 0;
        }

        .mobile-nav .nav-section {
            margin-bottom: 1rem;
        }

        .mobile-nav .nav-section-title {
            padding: 1rem 2rem 0.5rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: #718096;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-nav li {
            border-bottom: 1px solid #e2e8f0;
        }

        .mobile-nav li:last-child {
            border-bottom: none;
        }

        .mobile-nav a {
            display: block;
            padding: 1.25rem 2rem;
            color: #1a202c;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.2s;
        }

        .mobile-nav a:hover {
            background: #f7fafc;
            color: #890d26;
            padding-left: 2.5rem;
        }

        .mobile-nav .btn-auth {
            margin: 1rem 2rem;
            text-align: center;
            display: block;
            padding: 0.875rem 1.5rem;
            border-radius: 8px;
        }

        .mobile-nav .btn-login {
            color: #4a5568;
            border: 2px solid #e2e8f0;
            margin-bottom: 0.75rem;
        }

        .mobile-nav .btn-login:hover {
            background: #f7fafc;
            border-color: #890d26;
            color: #890d26;
            padding-left: 1.5rem;
        }

        .mobile-nav .btn-signup {
            background: #890d26;
            color: white;
            border: 2px solid #890d26;
        }

        .mobile-nav .btn-signup:hover {
            background: #6a0a1e;
            padding-left: 1.5rem;
        }

        .nav-left a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.2s;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .nav-left a:hover {
            color: #890d26;
        }

        .btn-auth {
            padding: 0.625rem 1.5rem;
            border-radius: 6px;
            font-size: 0.9375rem;
            font-weight: 500;
            transition: all 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-login {
            color: #4a5568;
            background: transparent;
        }

        .btn-login:hover {
            color: #890d26;
        }

        .btn-signup {
            color: white;
            background: #890d26;
        }

        .btn-signup:hover {
            background: #6a0a1e;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(137, 13, 38, 0.25);
        }

        .hero {
            background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
            padding: 140px 2rem 100px;
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
            color: #1a202c;
            letter-spacing: -1px;
            line-height: 1.1;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 2.5rem;
            color: #4a5568;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: #890d26;
            color: white;
        }

        .btn-primary:hover {
            background: #6a0a1e;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(137, 13, 38, 0.3);
        }

        .btn-secondary {
            background: white;
            color: #1a202c;
            border: 2px solid #e2e8f0;
        }

        .btn-secondary:hover {
            border-color: #890d26;
            color: #890d26;
        }

        .section {
            padding: 100px 2rem;
        }

        .section-alt {
            background: #f7fafc;
        }

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

        .section-title {
            text-align: center;
            font-size: 2.75rem;
            margin-bottom: 1rem;
            color: #1a202c;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.125rem;
            color: #4a5568;
            margin-bottom: 4rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
            transition: all 0.3s;
            border: 1px solid #e2e8f0;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(137, 13, 38, 0.12);
            border-color: #890d26;
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1.25rem;
            display: block;
        }

        .feature-card h3 {
            color: #1a202c;
            margin-bottom: 0.75rem;
            font-size: 1.375rem;
            font-weight: 600;
        }

        .feature-card p {
            color: #4a5568;
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        .use-case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .use-case {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s;
            border: 1px solid #e2e8f0;
        }

        .use-case:hover {
            transform: translateY(-4px);
            border-color: #890d26;
            box-shadow: 0 8px 16px rgba(137, 13, 38, 0.1);
        }

        .use-case-icon {
            font-size: 2.25rem;
            margin-bottom: 1rem;
            display: block;
        }

        .use-case h3 {
            color: #1a202c;
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .use-case p {
            color: #4a5568;
            font-size: 0.875rem;
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .step {
            position: relative;
            background: white;
            padding: 2.5rem 2rem 2rem;
            border-radius: 12px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
            border: 1px solid #e2e8f0;
            transition: border-color 0.3s;
        }

        .step:hover {
            border-color: #890d26;
        }

        .step-number {
            position: absolute;
            top: -18px;
            left: 24px;
            width: 44px;
            height: 44px;
            background: #890d26;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            box-shadow: 0 4px 6px rgba(137, 13, 38, 0.25);
        }

        .step h3 {
            margin-top: 1rem;
            color: #1a202c;
            margin-bottom: 0.75rem;
            font-size: 1.25rem;
            font-weight: 600;
        }

        .step p {
            color: #4a5568;
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        .cta-section {
            padding: 100px 2rem;
            background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
            text-align: center;
            border-top: 1px solid #e2e8f0;
        }

        .cta-section h2 {
            font-size: 2.75rem;
            margin-bottom: 1rem;
            color: #1a202c;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 1.125rem;
            margin-bottom: 2.5rem;
            color: #4a5568;
        }

        .footer {
            background: #f7fafc;
            color: #1a202c;
            padding: 3.5rem 2rem 2rem;
            text-align: center;
            border-top: 1px solid #e2e8f0;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.2s;
            font-size: 0.9375rem;
            font-weight: 500;
        }

        .footer-links a:hover {
            color: #890d26;
        }

        .footer p {
            color: #718096;
            font-size: 0.875rem;
        }

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

        .hero-content > * {
            animation: fadeInUp 0.6s ease-out backwards;
        }

        .hero h1 {
            animation-delay: 0.1s;
        }

        .hero p {
            animation-delay: 0.2s;
        }

        .cta-buttons {
            animation-delay: 0.3s;
        }

        @media (max-width: 768px) {
            .header {
                padding: 1rem 1.5rem;
            }

            .nav-container {
                gap: 1rem;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

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

            .logo {
                font-size: 1.5rem;
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }

            .hero {
                padding: 120px 1.5rem 80px;
            }

            .hero h1 {
                font-size: 2.25rem;
                line-height: 1.2;
            }

            .hero p {
                font-size: 1.0625rem;
            }

            .section {
                padding: 60px 1.5rem;
            }

            .section-title {
                font-size: 2rem;
                line-height: 1.2;
            }

            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 2.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .feature-card {
                padding: 2rem 1.5rem;
            }

            .use-case-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .use-case {
                padding: 1.5rem 1rem;
            }

            .use-case h3 {
                font-size: 1rem;
            }

            .use-case p {
                font-size: 0.8125rem;
            }

            .steps {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .cta-section {
                padding: 60px 1.5rem;
            }

            .cta-section h2 {
                font-size: 2rem;
                line-height: 1.2;
            }

            .cta-section p {
                font-size: 1rem;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .footer {
                padding: 2.5rem 1.5rem 1.5rem;
            }

            .footer-links {
                flex-direction: column;
                gap: 1rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.875rem;
            }

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

            .use-case-grid {
                grid-template-columns: 1fr;
            }

            .feature-icon,
            .use-case-icon {
                font-size: 2rem;
            }

            .mobile-nav {
                width: 100%;
                right: -100%;
            }
        }