:root{
    --bg: #f5f6f8;
    --surface: #ffffff;
    --text: #121826;
    --muted: #667085;
    --border: rgba(18, 24, 38, 0.10);
    --shadow: 0 10px 30px rgba(18, 24, 38, 0.05);
    --radius: 22px;
  }
  
  * { box-sizing: border-box; }
  
  html, body {
    margin: 0;
    padding: 0;
  }
  
  body{
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
      system-ui, sans-serif;
    line-height: 1.6;
  }
  
  a{
    color: inherit;
    text-decoration: none;
  }
  
  .page{
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 20px 64px;
  }
  
  /* Header */
  
  .site-header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 52px;
  }
  
  .brand{
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .brand-logo{
    height: 32px;
    width: auto;
    display: block;
  }
  
  .brand-name{
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  
  .site-nav{
    display: flex;
    align-items: center;
    gap: 18px;
  }
  
  .site-nav a{
    font-size: 0.94rem;
    color: var(--muted);
  }
  
  /* Hero */
  
  .hero{
    padding: 26px 0 18px;
    max-width: 760px;
  }
  
  .eyebrow{
    margin: 0 0 10px 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--muted);
  }
  
  .hero h1{
    margin: 0;
    font-size: 4.25rem;
    line-height: 0.9;
    letter-spacing: -0.075em;
  }
  
  .hero-copy{
    margin: 20px 0 0 0;
    max-width: 620px;
    font-size: 1.08rem;
    color: var(--muted);
  }
  
  /* Sections */
  
  .section{
    margin-top: 56px;
  }
  
  .section-head{
    max-width: 760px;
    margin-bottom: 18px;
  }
  
  .section-head h2{
    margin: 0;
    font-size: 2rem;
    line-height: 1.02;
    letter-spacing: -0.05em;
  }
  
  .content-card,
  .product-card{
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  
  .content-card{
    padding: 26px;
    max-width: 760px;
  }
  
  .content-card p{
    margin: 0;
    color: var(--muted);
  }
  
  .content-card p + p{
    margin-top: 14px;
  }
  
  /* Product */
  
  .product-card{
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: 28px;
    align-items: center;
    padding: 26px;
  }
  
  .product-copy h3{
    margin: 0;
    font-size: 1.55rem;
    line-height: 1.05;
    letter-spacing: -0.04em;
  }
  
  .product-copy p{
    margin: 14px 0 0 0;
    color: var(--muted);
    max-width: 520px;
  }
  
  .product-link{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #111827;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
  }
  
  .product-visual{
    display: flex;
    justify-content: center;
  }
  
  .product-visual img{
    display: block;
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: #fff;
    box-shadow: 0 18px 40px rgba(18, 24, 38, 0.08);
  }
  
  /* Footer */
  
  .site-footer{
    margin-top: 64px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
  
  .footer-grid{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  
  .footer-label{
    margin: 0 0 6px 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
  }
  
  .footer-text{
    margin: 0;
    font-size: 0.98rem;
  }
  
  .footer-legal{
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--muted);
  }
  
  /* Responsive */
  
  @media (max-width: 860px){
  
    .site-header{
      flex-direction: column;
      align-items: flex-start;
      margin-bottom: 40px;
    }
  
    .hero h1{
      font-size: 3rem;
    }
  
    .product-card{
      grid-template-columns: 1fr;
    }
  
    .footer-grid{
      grid-template-columns: 1fr;
    }
  
  }
  
  @media (max-width: 560px){
  
    .page{
      padding: 22px 16px 52px;
    }
  
    .hero h1{
      font-size: 2.35rem;
    }
  
    .hero-copy{
      font-size: 1rem;
    }
  
    .content-card,
    .product-card{
      padding: 20px;
      border-radius: 18px;
    }
  
    .product-visual img{
      border-radius: 20px;
    }
  
  }