<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>ProTeamSec</title>
<style>
  :root {
    --ink: #10151b;
    --paper: #f6f5f2;
    --line: #d8d4cb;
    --accent: #1f6f5c;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.5;
  }
  header {
    border-bottom: 1px solid var(--line);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .mark {
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 1.1rem;
  }
  nav a {
    color: var(--ink);
    text-decoration: none;
    margin-left: 24px;
    font-size: 0.95rem;
  }
  nav a:hover { color: var(--accent); }
  main {
    max-width: 720px;
    margin: 0 auto;
    padding: 96px 32px 64px;
  }
  h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 20px;
  }
  p.lead {
    font-size: 1.15rem;
    color: #4a4f56;
    max-width: 60ch;
    margin: 0 0 36px;
  }
  .cta {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 12px 22px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
  }
  .cta:hover { opacity: 0.9; }
  footer {
    border-top: 1px solid var(--line);
    padding: 24px 32px;
    color: #7a7f86;
    font-size: 0.85rem;
  }
</style>
</head>
<body>

<header>
  <div class="mark">ProTeamSec</div>
  <nav>
    <a href="#">About</a>
    <a href="#">Services</a>
    <a href="#">Contact</a>
  </nav>
</header>

<main>
  <h1>Placeholder headline goes here</h1>
  <p class="lead">
    This is starter content. Replace this paragraph with a short description
    of what the site or page is actually for.
  </p>
  <a class="cta" href="#">Call to action</a>
</main>

<footer>
  &copy; 2026 ProTeamSec. All rights reserved.
</footer>

</body>
</html>