:root {
    --bg: #ffffff;
    --text: #111827;
    --muted: #4b5563;
    --border: #e5e7eb;
    --alt: #f9fafb; 
    --max: 960px;
    --accent: #1F3A5F; /* steel blue */  
}

  .divider {
    width: 48px;
    height: 2px;
    background: var(--accent);
    margin: 18px 0;
  }
  
   .credibility {
    font-size:0.95rem;
    color: var(--muted);
    margin-bottom: 20pm;
   }

  * { box-sizing: border-box; }
  body {  
    margin: 0; 
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);  
    background: var(--bg);  
    line-height: 1.6;
}
    
  .container {
    width: min(var(--max), calc(100% - 40px)); 
    margin: 0 auto;
  
}
  
  .hero {
    padding: 72px 0 56px; 
    border-bottom: 1px solid var(--border);
  
}
  .brand {
    font-weight: 700;
    letter-spacing: 0.2px;  
    margin-bottom: 14px;
  
}
    h1 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.15; 
    margin: 0 0 14px;  
}  
  .hero p {
    max-width: 70ch;
    color: var(--muted);
    margin: 0 0 20px; 
}
   
  .section { 
    padding: 52px 0; 
} 
  .section.alt {
    background: var(--alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
  
  h2 {
    margin: 0 0 14px;
    font-size: 24px;  

}
    h3 {
      margin: 0 0 8px;
  
}
  .list, .specs {
    margin: 0;  
    padding-left: 18px;
}
  .specs li { margin: 8px 0; }
  
  .card {
    border: 1px solid var(--border);
    background: #fff;
    padding: 18px;
    border-radius: 10px;
    max-width: 720px;
}
  
  .cta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
  
  .button {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid var(--accent);
    color: #ffffff;
    font-weight: 600;
    background: var(--accent);
}
  .button.secondary {
    background: transparent;
    border-color: var(--accent);
    color: var(--accent);
}

.form {  
  max-width: 720px;
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
 label { display: grid; gap: 6px; font-weight: 600; }
 input, textarea {
  width: 100%; 
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
}
.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.footer {
  padding: 22px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
}