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

        :root {
            --black: #0A0A0A;
            --white: #FFFFFF;
            --gray: #6B7280;
            --light: #F9FAFB;
            --accent: #0066FF;
            --accent-hover: #0052CC;
            --border: rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
        }

        ::selection {
            background: var(--accent);
            color: var(--white);
        }

        body {
            font-family: 'Inter', -apple-system, system-ui, sans-serif;
            color: var(--black);
            background: var(--white);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        nav.transparent {
            background: transparent;
            border-bottom: none;
        }

        nav.transparent .nav-link,
        nav.transparent .logo {
            color: var(--white);
        }

        .nav-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: 900;
            color: var(--black);
            text-decoration: none;
            transition: transform 0.3s;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .nav-menu {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-link {
            color: var(--black);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.3s;
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-cta {
            padding: 10px 20px;
            background: var(--accent);
            color: var(--white);
            text-decoration: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2);
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, #0A0A0A 0%, #1a1a2e 100%);
            color: var(--white);
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -25%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(10deg); }
        }

        .hero-content {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 102, 255, 0.2);
            border: 1px solid var(--accent);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            border-radius: 100px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(40px, 8vw, 72px);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -2px;
            margin-bottom: 24px;
        }

        .hero h1 .gradient {
            background: linear-gradient(135deg, var(--accent) 0%, #00D4FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            margin-bottom: 60px;
        }

        .btn {
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
        }

        /* Trust badges */
        .trust-badges {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .badge-item {
            text-align: center;
        }

        .badge-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--accent);
            display: block;
        }

        .badge-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Services Section */
        .services {
            padding: 100px 0;
            background: var(--white);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--light);
            color: var(--gray);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            border-radius: 4px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            color: var(--black);
        }

        .section-title-demo {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            color: var(--white);
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--gray);
            max-width: 600px;
            margin: 16px auto 0;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: var(--light);
            padding: 32px;
            border-radius: 16px;
            transition: all 0.3s;
            border: 2px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background: var(--accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .service-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--white);
            fill: none;
            stroke-width: 2;
        }

        .service-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--black);
        }

        .service-desc {
            color: var(--gray);
            font-size: 15px;
            line-height: 1.6;
        }

        /* Live Demo */
        .demo {
            padding: 120px 0;
            background: linear-gradient(135deg, #0A0A0A 0%, #1a1a2e 100%);
            color: var(--white);
        }

        .demo .section-header {
            color: var(--white);
        }

        .demo .section-tag {
            color: var(--gray);
        }

        .email-simulator {
            max-width: 800px;
            margin: 0 auto;
            background: #1A1A1A;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
        }

        .email-header {
            background: #2A2A2A;
            padding: 20px 32px;
            border-bottom: 1px solid #333;
        }

        .email-from {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 8px;
        }

        .email-subject {
            font-size: 18px;
            font-weight: 700;
        }

        .email-body {
            padding: 32px;
            font-size: 15px;
            line-height: 1.8;
            color: #CCC;
        }

        .email-actions {
            padding: 32px;
            background: #1A1A1A;
            border-top: 1px solid #333;
        }

        .action-title {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--gray);
            margin-bottom: 20px;
        }

        .action-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .action-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            background: #2A2A2A;
            border-radius: 12px;
            transition: all 0.3s;
        }

        .action-item:hover {
            background: #333;
        }

        .action-status {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: blink 2s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .action-text {
            flex: 1;
            font-size: 14px;
        }

        .action-time {
            font-size: 12px;
            color: var(--gray);
        }

        /* Solution Section */
        .solution {
            padding: 100px 0;
            background: var(--light);
        }

        .solution-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .solution-left h2 {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 24px;
        }

        .solution-left .lead {
            font-size: 18px;
            color: var(--gray);
            margin-bottom: 32px;
        }

        .feature-list {
            list-style: none;
        }

        .feature-list li {
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .feature-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-icon svg {
            width: 16px;
            height: 16px;
            stroke: var(--white);
            fill: none;
            stroke-width: 2;
        }

        .feature-content {
            flex: 1;
        }

        .feature-title {
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--black);
        }

        .feature-desc {
            font-size: 14px;
            color: var(--gray);
        }

        .solution-visual {
            background: var(--black);
            border-radius: 16px;
            padding: 32px;
            position: relative;
            overflow: hidden;
        }

        .visual-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF5F56;
        }

        .dot:nth-child(2) { background: #FFBD2E; }
        .dot:nth-child(3) { background: #27C93F; }

        .code {
            font-family: 'JetBrains Mono', monospace;
            font-size: 14px;
            line-height: 1.8;
            color: #D4D4D4;
        }

        .code .comment { color: #6A9955; }
        .code .keyword { color: #569CD6; }
        .code .string { color: #CE9178; }
        .code .function { color: #DCDCAA; }

        /* Contact Section */
        .contact {
            padding: 100px 0;
            background: var(--white);
        }

        .contact-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .contact-form {
            background: var(--light);
            padding: 48px;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-bottom: 24px;
        }

        .form-group {
            position: relative;
        }

        .form-group.full {
            grid-column: span 2;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--black);
            margin-bottom: 8px;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            padding: 12px 16px;
            background: var(--white);
            border: 2px solid transparent;
            border-radius: 8px;
            font-size: 15px;
            font-family: inherit;
            transition: all 0.3s;
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
        }

        .form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-select {
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B7280' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .form-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .form-submit {
            padding: 14px 32px;
            background: var(--accent);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .form-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.3);
        }

        .form-note {
            font-size: 14px;
            color: var(--gray);
        }

        /* Interactive elements */
        .automation-preview {
            margin-top: 32px;
            padding: 24px;
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .automation-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .automation-badge {
            padding: 4px 12px;
            background: rgba(0, 102, 255, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 100px;
        }

        .automation-title {
            font-weight: 600;
            color: var(--black);
        }

        .automation-flow {
            display: flex;
            align-items: center;
            gap: 16px;
            overflow-x: auto;
            padding: 16px 0;
        }

        .flow-step {
            padding: 12px 20px;
            background: var(--light);
            border-radius: 8px;
            font-size: 14px;
            white-space: nowrap;
            position: relative;
        }

        .flow-arrow {
            color: var(--gray);
            font-size: 20px;
        }

        /* Footer */
        footer {
            padding: 60px 0 40px;
            background: var(--black);
            color: var(--white);
        }

        .footer-content {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand h3 {
            font-size: 24px;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .social-link:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }

        .social-link svg {
            width: 20px;
            height: 20px;
            fill: var(--white);
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.8);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--white);
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copy {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .footer-legal {
            display: flex;
            gap: 24px;
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .footer-legal a:hover {
            color: var(--white);
        }


        
        /* Mobile */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .trust-badges {
                grid-template-columns: repeat(2, 1fr);
            }

            .solution-content {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }

            .form-group.full {
                grid-column: span 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }