<style>
  /* ===== Section Title Bar (Products) ===== */
  .bt-section-titlebar {
    background: #0b0b0b;
    padding: 70px 0 46px;
    /* 위/아래 여백 */
    position: relative;
  }

  .bt-section-titlebar .bt-title {
    color: #fff;
    font-weight: 300;
    letter-spacing: .2px;
    font-size: clamp(36px, 4vw, 56px);
    line-height: 1.05;
    margin: 0;
    text-align: center;
  }

  .bt-section-titlebar .bt-subtitle {
    color: rgba(255, 255, 255, .85);
    font-size: 13px;
    margin-top: 10px;
    text-align: center;
  }

  .bt-section-titlebar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: rgba(255, 255, 255, .18);
    /* 아래 얇은 라인 */
  }
</style>

<section class="bt-section-titlebar" id="products">
  <div class="container">
    <h2 class="bt-title">Producs</h2>
    <div class="bt-subtitle">Providing Everything You Need</div>
  </div>
</section>