:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #fbbf24;
            --bg: #f9fafb;
            --bg-dark: #18181b;
            --text: #18181b;
            --text-light: #f9fafb;
            --muted: #6b7280;
            --border: #e5e7eb;
            --radius: 1rem;
            --shadow: 0 4px 24px 0 rgba(37,99,235,0.08);
        }
        html, body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            scroll-behavior: smooth;
        }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        /* Header/Navbar */
        header {
            background: #fff;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .navbar {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        nav a {
            color: var(--muted);
            font-weight: 500;
            transition: color 0.2s;
        }
        nav a:hover {
            color: var(--primary);
        }
        .cta-btn {
            background: var(--primary);
            color: #fff;
            padding: 0.7em 1.5em;
            border-radius: 999px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            margin-left: 1.5rem;
            transition: background 0.2s;
        }
        .cta-btn:hover {
            background: var(--primary-dark);
        }
        /* Mobile Nav */
        #nav-toggle { display: none; }
        .nav-mobile {
            display: none;
        }
        @media (max-width: 900px) {
            nav { display: none; }
            .nav-mobile {
                display: block;
            }
            .navbar {
                padding: 1rem;
            }
        }
        /* Mobile Menu (Checkbox Trick) */
        #nav-toggle:checked ~ .mobile-menu {
            display: flex;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 64px;
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: var(--shadow);
            z-index: 99;
            padding: 1.5rem 0;
            gap: 1.5rem;
        }
        .mobile-menu a {
            color: var(--muted);
            font-size: 1.1rem;
            padding: 0.5rem 2rem;
        }
        .mobile-menu .cta-btn {
            margin: 0 2rem;
        }
        .nav-mobile label {
            cursor: pointer;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-mobile span, .nav-mobile span:before, .nav-mobile span:after {
            display: block;
            background: var(--primary);
            height: 3px;
            width: 28px;
            border-radius: 2px;
            position: relative;
            transition: all 0.3s;
        }
        .nav-mobile span:before, .nav-mobile span:after {
            content: '';
            position: absolute;
        }
        .nav-mobile span:before { top: -9px; }
        .nav-mobile span:after { top: 9px; }
        /* Hero Section */
        .hero {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem 3rem 2rem;
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1 1 350px;
            min-width: 300px;
        }
        .hero-title {
            font-size: 2.7rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary-dark);
            letter-spacing: -1px;
        }
        .hero-sub {
            font-size: 1.25rem;
            color: var(--muted);
            margin-bottom: 2rem;
            max-width: 420px;
        }
        .hero-cta {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .hero-cta .cta-btn {
            font-size: 1.1rem;
            padding: 0.8em 2em;
        }
        .hero-cta .cta-btn.secondary {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .hero-img {
            flex: 1 1 350px;
            min-width: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-img img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            width: 100%;
            max-width: 420px;
            object-fit: cover;
        }
        /* Trusted By */
        .trusted {
            background: #fff;
            padding: 2rem 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .trusted-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
        }
        .trusted-logo {
            /* filter: grayscale(1) brightness(0.7); */
            opacity: 0.8;
            height: 38px;
            width: auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        /* Features */
        .features {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem 2rem 2rem;
        }
        .features-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: transform 0.15s;
        }
        .feature-card:hover {
            transform: translateY(-6px) scale(1.03);
        }
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            height: 48px;
        }
        .feature-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .feature-desc {
            color: var(--muted);
            font-size: 1rem;
        }
        /* How It Works */
        .how {
            background: linear-gradient(90deg, #f1f5f9 0%, #e0e7ef 100%);
            padding: 4rem 2rem;
        }
        .how-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .how-steps {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            max-width: 900px;
            margin: 0 auto;
        }
        .how-step {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 1.5rem;
            text-align: center;
            flex: 1 1 220px;
            min-width: 220px;
            max-width: 260px;
        }
        .how-icon {
            font-size: 2.2rem;
            margin-bottom: 1rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            height: 44px;
        }
        .how-step-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .how-step-desc {
            color: var(--muted);
            font-size: 1rem;
        }
        /* Analytics Preview */
        .analytics {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem 2rem 2rem;
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
        .analytics-img {
            flex: 1 1 350px;
            min-width: 300px;
        }
        .analytics-img img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            width: 100%;
            max-width: 420px;
            object-fit: cover;
        }
        .analytics-content {
            flex: 1 1 350px;
            min-width: 300px;
        }
        .analytics-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary-dark);
        }
        .analytics-desc {
            color: var(--muted);
            font-size: 1.1rem;
            max-width: 400px;
        }
        /* Pricing */
        .pricing {
            background: #fff;
            padding: 4rem 2rem;
        }
        .pricing-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .pricing-cards {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 900px;
            margin: 0 auto;
        }
        .pricing-card {
            background: #f3f4f6;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2.5rem 2rem;
            text-align: center;
            flex: 1 1 240px;
            min-width: 240px;
            max-width: 300px;
            display: flex;
            flex-direction: column;
            align-items: center;
            border: 2px solid transparent;
            transition: border 0.2s;
        }
        .pricing-card.featured {
            border: 2px solid var(--primary);
            background: #fff;
        }
        .pricing-plan {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--primary-dark);
        }
        .pricing-price {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
            color: var(--muted);
            font-size: 1rem;
            text-align: left;
            min-height: 90px;
        }
        .pricing-features li {
            margin-bottom: 0.5rem;
            padding-left: 1.2em;
            position: relative;
        }
        .pricing-features li:before {
            content: "✓";
            color: var(--primary);
            position: absolute;
            left: 0;
            font-size: 1em;
        }
        .pricing-card .cta-btn {
            width: 100%;
            margin: 0;
        }
        /* Testimonials */
        .testimonials {
            background: linear-gradient(90deg, #f1f5f9 0%, #e0e7ef 100%);
            padding: 4rem 2rem;
        }
        .testimonials-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .testimonials-grid {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 900px;
            margin: 0 auto;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 1.5rem;
            flex: 1 1 320px;
            min-width: 280px;
            max-width: 350px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .testimonial-photo {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 1rem;
            border: 2px solid var(--primary);
        }
        .testimonial-quote {
            font-size: 1.1rem;
            color: var(--muted);
            margin-bottom: 1rem;
            font-style: italic;
        }
        .testimonial-name {
            font-weight: 600;
            color: var(--primary-dark);
        }
        .testimonial-company {
            color: var(--muted);
            font-size: 0.95rem;
            margin-bottom: 0.5rem;
        }
        .testimonial-stars {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        /* Blog */
        .blog {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem 2rem 2rem;
        }
        .blog-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .blog-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.15s;
        }
        .blog-card:hover {
            transform: translateY(-6px) scale(1.03);
        }
        .blog-img {
            height: 160px;
            object-fit: cover;
            width: 100%;
        }
        .blog-content {
            padding: 1.2rem 1.2rem 1.5rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .blog-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--primary-dark);
        }
        .blog-card-excerpt {
            color: var(--muted);
            font-size: 1rem;
            margin-bottom: 1rem;
            flex: 1;
        }
        .blog-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            align-self: flex-start;
            transition: text-decoration 0.2s;
        }
        .blog-card-link:hover {
            text-decoration: underline;
        }
        /* FAQ */
        .faq {
            background: #fff;
            padding: 4rem 2rem;
        }
        .faq-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--primary-dark);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1.2rem 0;
        }
        .faq-q {
            font-weight: 600;
            cursor: pointer;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1.1rem;
        }
        .faq-a {
            color: var(--muted);
            font-size: 1rem;
            margin-top: 0.5rem;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
            animation: fadeIn 0.3s;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        /* Newsletter */
        .newsletter {
            background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
            color: #fff;
            padding: 3rem 2rem;
            text-align: center;
        }
        .newsletter-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .newsletter-form {
            display: flex;
            justify-content: center;
            gap: 1rem;
            max-width: 420px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .newsletter-input {
            padding: 0.8em 1em;
            border-radius: 999px;
            border: none;
            font-size: 1rem;
            outline: none;
            min-width: 180px;
            flex: 1;
        }
        .newsletter-btn {
            background: var(--accent);
            color: #18181b;
            border: none;
            border-radius: 999px;
            padding: 0.8em 1.5em;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .newsletter-btn:hover {
            background: #f59e0b;
        }
        /* Final CTA */
        .final-cta {
            background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
            color: #fff;
            padding: 3rem 2rem;
            text-align: center;
        }
        .final-cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .final-cta .cta-btn {
            background: #fff;
            color: var(--primary);
            font-size: 1.1rem;
            padding: 0.9em 2.2em;
            border: none;
            margin: 0;
        }
        .final-cta .cta-btn:hover {
            background: var(--accent);
            color: #18181b;
        }
        /* Footer */
        footer {
            background: #18181b;
            color: #f3f4f6;
            padding: 2.5rem 2rem 1.5rem 2rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: space-between;
            align-items: flex-start;
        }
        .footer-brand {
            flex: 1 1 220px;
            min-width: 200px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.7rem;
            display: block;
        }
        .footer-desc {
            color: #d1d5db;
            font-size: 1rem;
            margin-bottom: 1.2rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            flex: 1 1 120px;
            min-width: 120px;
        }
        .footer-links a {
            color: #d1d5db;
            font-size: 1rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        .footer-social a {
            color: #d1d5db;
            font-size: 1.3rem;
            transition: color 0.2s;
        }
        .footer-social a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            color: #9ca3af;
            font-size: 0.95rem;
            margin-top: 2rem;
        }
        /* Responsive */
        @media (max-width: 900px) {
            .hero, .analytics {
                flex-direction: column;
                gap: 2rem;
                padding: 3rem 1rem 2rem 1rem;
            }
            .features-grid, .blog-grid {
                grid-template-columns: 1fr;
            }
            .pricing-cards, .testimonials-grid, .how-steps {
                flex-direction: column;
                gap: 1.5rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1.5rem;
            }
        }
        @media (max-width: 600px) {
            .hero-title, .final-cta-title, .features-title, .how-title, .analytics-title, .pricing-title, .testimonials-title, .blog-title, .faq-title {
                font-size: 1.3rem !important;
            }
            .hero, .analytics, .features, .blog, .pricing, .testimonials, .faq {
                padding: 2rem 0.7rem;
            }
            .newsletter, .final-cta, footer {
                padding: 2rem 0.7rem;
            }
            .navbar {
                padding: 0.7rem;
            }
        }