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            <title>SerpTrust | SEO & Authority Building</title>
            <style>
                :root {
                    --primary: #2563eb;
                    --primary-hover: #1d4ed8;
                    --navy: #0f172a;
                    --slate: #475569;
                    --bg: #f8fafc;
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                body { 
                    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
                    background: var(--bg);
                    color: var(--navy); 
                    margin: 0; 
                    padding: 0; 
                    min-height: 100vh;
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                .navbar {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    padding: 20px 40px;
                    max-width: 1200px;
                    margin: 0 auto;
                }
                .logo { font-size: 22px; font-weight: 900; letter-spacing: -0.5px; color: var(--navy); text-decoration: none; }
                .logo span { color: var(--primary); }
                .hero { text-align: center; padding: 60px 20px 40px 20px; max-width: 800px; margin: 0 auto; }
                h1 { font-size: 48px; font-weight: 900; line-height: 1.1; margin: 0 0 20px 0; letter-spacing: -1.5px; }
                h1 .highlight { color: var(--primary); }
                .subtitle { font-size: 18px; color: var(--slate); line-height: 1.6; margin-bottom: 40px; font-weight: 500; }
                
                /* 2x2 Grid setup */
                .options-grid {
                    display: grid;
                    grid-template-columns: repeat(2, 1fr);
                    gap: 30px;
                    max-width: 1000px;
                    margin: 0 auto 80px auto;
                    padding: 0 20px;
                }
                .card {
                    background: white;
                    padding: 40px 30px;
                    border-radius: 16px;
                    border: 1px solid #e2e8f0;
                    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
                    text-align: left;
                    display: flex;
                    flex-direction: column;
                }
                .card h3 { font-size: 22px; font-weight: 800; margin: 0 0 12px 0; color: var(--navy); }
                .card .ideal-for { font-size: 13px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 15px; display: block; }
                .card p { font-size: 15px; color: var(--slate); line-height: 1.6; margin: 0 0 25px 0; flex-grow: 1; }
                .card-btn {
                    display: inline-block;
                    background: var(--navy);
                    color: white;
                    text-decoration: none;
                    padding: 12px 24px;
                    border-radius: 6px;
                    font-weight: 700;
                    font-size: 14px;
                    text-align: center;
                    transition: background 0.2s;
                }
                .card-btn:hover { background: var(--primary); }
                
                @media (max-width: 768px) {
                    .options-grid { grid-template-columns: 1fr; }
                    h1 { font-size: 36px; }
                }
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        <body>
            <nav class="navbar">
                <a href="https://serptrust.io" class="logo">SERP<span>TRUST</span></a>
            </nav>

            <header class="hero">
                <h1>Build Authority & Drive <span class="highlight">Measurable Results.</span></h1>
                <p class="subtitle">Select the specific link-building or AI optimization track that fits your current growth stage.</p>
            </header>

            <section class="options-grid">
                <div class="card">
                    <h3>Guest Post Database</h3>
                    <span class="ideal-for">Ideal For: SEO Agencies & Niche Sites</span>
                    <p>Fast access to vetted quality links without the outreach hassle. Get access to 400 highly vetted sites for guest posts and link insertions. Easy white-labeling for agencies seeking quick SEO wins.</p>
                    <a href="https://www.serptrust.io/" target="_blank" class="card-btn">Browse Database</a>
                </div>
                
                <div class="card">
                    <h3>Earned Links</h3>
                    <span class="ideal-for">Ideal For: Enterprise & Mid-Market SaaS</span>
                    <p>High-authority earned link building designed to outrank enterprise competitors. Perfect for clearing procurement and rapidly building domain authority. Trial: 3 links for $497.</p>
                    <a href="https://www.serptrust.io/off-market-links/" target="_blank" class="card-btn">Start Earned Trial</a>
                </div>

                <div class="card">
                    <h3>Local Monthly Off-Page SEO</h3>
                    <span class="ideal-for">Ideal For: Local Legal, Medical & Trades</span>
                    <p>Dominate the organic search results AND local map pack. Intercept high-intent local searchers before competitors do with done-for-you local link building, citations, and press releases.</p>
                    <a href="https://www.serptrust.io/monthly-local-seo/" target="_blank" class="card-btn">View Local Tiers</a>
                </div>

                <div class="card">
                    <h3>LLM/AI/AEO Boosters</h3>
                    <span class="ideal-for">Ideal For: Forward-Thinking Agencies & Freelancers</span>
                    <p>Future-proof your organic traffic against the ChatGPT search shift. We build comparison, review, and "best of" posts designed specifically to capture high-intent leads from AI Overviews.</p>
                    <a href="https://www.serptrust.io/llm-boosters/" target="_blank" class="card-btn">Optimize for AI</a>
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