:root{
    --ink: 18 18 22;
  
    --radius-lg: 48px;
    --edge: 18px;
    --gap: 18px;
  }
  
  *{ box-sizing: border-box; }
  
  html, body{ height: 100%; }
  
  html{
    background: #CFE3FF;
  }
  
  body{
    margin: 0;
    color: rgb(var(--ink));
    font-family: ui-sans-serif, system-ui, -apple-system,
                 "SF Pro Display", "SF Pro Text",
                 Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  
    background: #CFE3FF;
    overflow-x: hidden;
  }
  
  .page{
    display: flex;
    justify-content: center;
    padding: var(--edge);
  }
  
  .stack{
    width: 100%;
    max-width: 680px;
    display: grid;
    gap: var(--gap);
  }
  
  .card{
    border-radius: var(--radius-lg);
    padding: 32px;
  
    background: rgba(200, 205, 215, 0.45);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
  
    border: 1px solid rgba(255,255,255,0.25);
  
    box-shadow:
      0 12px 35px rgba(0,0,0,0.10),
      inset 0 1px 0 rgba(255,255,255,0.35);
  
    position: relative;
    overflow: hidden;
  
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  
  .card::after{
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(800px 420px at 25% 15%, rgba(255,255,255,.16), transparent 55%);
  }
  
  .card:hover{
    transform: translateY(-6px);
    box-shadow:
      0 20px 55px rgba(0,0,0,0.14),
      inset 0 1px 0 rgba(255,255,255,0.35);
  }
  
  .hero-card{
    padding: 42px;
  }
  
  .back-link{
    display: inline-block;
    margin-bottom: 28px;
  
    text-decoration: none;
    color: #1f2937;
  
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
  }
  
  .page-title{
    margin: 0;
    font-size: 38px;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #111827;
  }
  
  .page-intro{
    margin: 18px 0 0;
    max-width: 560px;
  
    font-size: 16px;
    line-height: 1.6;
    color: #111827;
    opacity: .95;
  }
  
  .service-card h2,
  .contact-card h2{
    margin: 0;
  
    font-size: 24px;
    font-weight: 850;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #111827;
  }
  
  .service-card p{
    margin: 16px 0 0;
  
    font-size: 15px;
    line-height: 1.65;
    color: #111827;
    opacity: .95;
  }
  
  .contact-card{
    display: grid;
    gap: 16px;
  }
  
  .contact-link{
    display: flex;
    align-items: center;
    justify-content: center;
  
    min-height: 56px;
    padding: 14px 18px;
  
    border-radius: 28px;
  
    background: rgba(185, 190, 205, 0.50);
    border: 1px solid rgba(255,255,255,0.25);
  
    text-decoration: none;
    color: #111827;
  
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
  
    -webkit-tap-highlight-color: transparent;
  }
  
  .contact-link:hover{
    transform: translateY(-2px);
  }
  
  .footer-card{
    border-radius: var(--radius-lg);
    padding: 18px 22px;
  
    display: flex;
    justify-content: center;
    align-items: center;
  
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #374151;
  
    background: rgba(200, 205, 215, 0.45);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
  
    border: 1px solid rgba(255,255,255,0.25);
  
    box-shadow:
      0 12px 35px rgba(0,0,0,0.10),
      inset 0 1px 0 rgba(255,255,255,0.35);
  }
  
  @media (max-width: 420px){
  
    .card{
      padding: 26px;
    }
  
    .hero-card{
      padding: 32px 26px;
    }
  
    .page-title{
      font-size: 30px;
      letter-spacing: 3px;
    }
  
    .service-card h2,
    .contact-card h2{
      font-size: 20px;
      letter-spacing: 1.5px;
    }
  
    .page-intro,
    .service-card p{
      font-size: 14px;
    }
  
    .contact-link{
      font-size: 16px;
    }
  }