:root{
    --dark-green:#166534;
    --green:#16a34a;
    --light-green:#4ade80;
    --ink:#0f2419;
    --gray:#6b7280;
    --border:#e5e7eb;
    --soft-bg:#f4f9f6;
  }

  *{box-sizing:border-box;margin:0;padding:0;}

  html{scroll-behavior:smooth;}

  body{
    font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color:var(--ink);
    background:#ffffff;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }

  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  img,svg{display:block;max-width:100%;}

  .container{
    max-width:1120px;
    margin:0 auto;
    padding:0 24px;
  }

  /* Buttons */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 26px;
    border-radius:0;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:background .15s ease, border-color .15s ease, color .15s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(90deg, var(--dark-green), var(--green));
    color:#fff;
    border:none;
  }
  .btn-primary:hover{
    background:linear-gradient(90deg, var(--dark-green), var(--dark-green));
  }
  .btn-ghost{
    background:transparent;
    color:var(--ink);
    border:1px solid var(--border);
  }
  .btn-ghost:hover{border-color:var(--green);color:var(--dark-green);}
  .btn-block{width:100%;}

  /* Header */
  header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(255,255,255,0.9);
    backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid var(--border);
  }
  .nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:72px;
  }
  .logo-link{display:flex;align-items:center;gap:10px;}
  .logo-icon{width:32px;height:32px;flex-shrink:0;}
  .logo-word{
    font-size:19px;
    font-weight:700;
    letter-spacing:0.2px;
  }
  .logo-word .cs{color:var(--green);}

  nav.primary-nav{display:flex;align-items:center;gap:36px;}
  .nav-links{display:flex;gap:32px;}
  .nav-links a{
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    transition:color .15s ease;
  }
  .nav-links a:hover{color:var(--green);}

  .hamburger{
    display:none;
    flex-direction:column;
    gap:5px;
    background:none;
    border:none;
    cursor:pointer;
    padding:8px;
  }
  .hamburger span{
    width:24px;
    height:2px;
    background:var(--ink);
    border-radius:0;
    transition:transform .2s ease, opacity .2s ease;
  }
  .mobile-menu{
    display:none;
    flex-direction:column;
    gap:4px;
    padding:8px 24px 20px;
    border-bottom:1px solid var(--border);
    background:#fff;
  }
  .mobile-menu a{
    padding:12px 0;
    font-size:16px;
    font-weight:500;
    border-bottom:1px solid var(--border);
  }
  .mobile-menu a:last-of-type{border-bottom:none;}
  .mobile-menu.open{display:flex;}
  .mobile-cta{margin-top:12px;}

  /* Hero */
  .hero{
    padding:96px 0 88px;
    background:
      radial-gradient(circle at 85% 15%, rgba(74,222,128,0.12), transparent 55%),
      var(--soft-bg);
  }
  .hero-inner{max-width:760px;}
  .hero h1{
    font-size:clamp(34px, 5vw, 52px);
    font-weight:800;
    line-height:1.12;
    letter-spacing:-0.5px;
    margin-bottom:22px;
  }
  .hero p{
    font-size:19px;
    color:var(--gray);
    max-width:600px;
    margin-bottom:34px;
  }
  .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

  /* Section scaffolding */
  section{padding:96px 0;}
  .eyebrow{
    font-size:13px;
    font-weight:700;
    letter-spacing:1.5px;
    text-transform:uppercase;
    color:var(--green);
    margin-bottom:12px;
  }
  .section-head{max-width:640px;margin-bottom:56px;}
  .section-head h2{
    font-size:clamp(28px, 4vw, 38px);
    font-weight:800;
    letter-spacing:-0.4px;
  }

  /* Services */
  .cards{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
  .card{
    border:1px solid var(--border);
    border-radius:0;
    padding:36px 32px;
    display:flex;
    flex-direction:column;
    background:#fff;
  }
  .card.featured{
    border-color:var(--green);
    background:var(--soft-bg);
    position:relative;
  }
  .card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;}
  .card h3{font-size:22px;font-weight:700;}
  .badge{
    background:var(--green);
    color:#fff;
    font-size:12px;
    font-weight:700;
    padding:4px 10px;
    border-radius:0;
    white-space:nowrap;
  }
  .tag{
    display:inline-block;
    font-size:13px;
    font-weight:600;
    color:var(--dark-green);
    background:rgba(22,163,74,0.1);
    padding:5px 12px;
    border-radius:0;
    margin-bottom:16px;
    width:fit-content;
  }
  .card-desc{color:var(--gray);font-size:15px;margin-bottom:22px;}
  .checklist{margin-bottom:28px;flex-grow:1;}
  .checklist li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:15px;
    padding:7px 0;
  }
  .checklist li::before{
    content:"✓";
    color:var(--green);
    font-weight:700;
    flex-shrink:0;
  }

  /* How it works */
  .how-bg{background:var(--soft-bg);}
  .steps{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:28px;
  }
  .step{
    background:#fff;
    border:1px solid var(--border);
    border-radius:0;
    padding:28px 24px;
  }
  .step-num{
    width:36px;
    height:36px;
    border-radius:0;
    background:linear-gradient(135deg, var(--dark-green), var(--green));
    color:#fff;
    font-weight:700;
    font-size:15px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
  }
  .step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
  .step p{font-size:14.5px;color:var(--gray);}

  /* Contact */
  .contact-inner{max-width:720px;margin:0 auto;text-align:center;}
  .contact-inner .section-head{margin:0 auto 40px;text-align:center;}
  .contact-inner .section-head h2{margin-bottom:10px;}
  .contact-inner .section-head p{color:var(--gray);font-size:16px;}

  form{
    text-align:left;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .form-row{display:flex;flex-direction:column;gap:7px;}
  .form-row + .form-row{margin-top:18px;}
  label{font-size:14px;font-weight:600;}
  .optional-label{color:var(--gray);font-weight:400;}
  input, textarea{
    font-family:inherit;
    font-size:15px;
    padding:12px 14px;
    border:1px solid var(--border);
    border-radius:0;
    background:#fff;
    color:var(--ink);
    resize:vertical;
  }
  input:focus, textarea:focus{
    outline:none;
    border-color:var(--green);
    box-shadow:0 0 0 3px rgba(22,163,74,0.15);
  }
  textarea{min-height:120px;}

  .form-success{
    display:none;
    text-align:center;
    padding:40px 20px;
    border:1px solid var(--border);
    border-radius:0;
    background:var(--soft-bg);
  }
  .form-success h3{font-size:20px;margin-bottom:8px;}
  .form-success p{color:var(--gray);}

  /* Wizard */
  .wizard{text-align:left;}

  .wizard-progress{
    height:4px;
    background:var(--border);
    margin-bottom:10px;
    overflow:hidden;
  }
  .wizard-progress-bar{
    height:100%;
    width:16.6667%;
    background:linear-gradient(90deg, var(--dark-green), var(--green));
    transition:width .3s ease;
  }
  .wizard-step-label{
    font-size:13px;
    font-weight:700;
    color:var(--gray);
    letter-spacing:0.3px;
    text-transform:uppercase;
    margin-bottom:28px;
  }

  .wizard-step{display:none;}
  .wizard-step.is-active{display:block;animation:wizardFadeIn .25s ease;}

  @keyframes wizardFadeIn{
    from{opacity:0;transform:translateY(6px);}
    to{opacity:1;transform:translateY(0);}
  }

  .wizard-step h3{font-size:22px;font-weight:700;margin-bottom:8px;}
  .step-sub{color:var(--gray);font-size:14.5px;margin-bottom:24px;}

  .option-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
  }

  .option-input{
    position:absolute;
    opacity:0;
    width:1px;
    height:1px;
    pointer-events:none;
  }

  .option-card{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:3px;
    padding:16px 18px;
    border:1px solid var(--border);
    background:#fff;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    transition:border-color .15s ease, background .15s ease;
    user-select:none;
  }
  .option-card:hover{border-color:var(--green);}
  .option-input:checked + .option-card{
    border-color:var(--green);
    background:var(--soft-bg);
    box-shadow:inset 0 0 0 1px var(--green);
  }
  .option-input:focus-visible + .option-card{
    outline:2px solid var(--green);
    outline-offset:2px;
  }
  .option-sub{
    font-size:12.5px;
    font-weight:500;
    color:var(--gray);
  }

  .wizard-summary{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:28px;
  }
  .wizard-summary-chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 12px;
    background:var(--soft-bg);
    border:1px solid var(--border);
    font-family:inherit;
    font-size:13px;
    color:var(--ink);
    cursor:pointer;
  }
  .wizard-summary-chip:hover{border-color:var(--green);}
  .wizard-summary-chip::after{
    content:"✎";
    font-size:11px;
    color:var(--gray);
  }

  .wizard-nav{
    display:flex;
    justify-content:space-between;
    gap:12px;
    margin-top:32px;
  }
  .is-hidden{display:none;}

  .wizard-error{
    color:#b91c1c;
    font-size:13.5px;
    margin-top:14px;
    text-align:center;
  }

  /* Footer */
  footer{
    padding:48px 0;
    border-top:1px solid var(--border);
    text-align:center;
  }
  .footer-logo{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
  }
  .footer-logo .logo-icon{width:40px;height:40px;}
  footer .copyright{font-size:13px;color:var(--gray);}

  /* Responsive */
  @media (max-width:800px){
    .nav-links, .nav-wrap .btn-primary{display:none;}
    .hamburger{display:flex;}
    .hero{padding:64px 0 56px;}
    section{padding:64px 0;}
    .cards{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr 1fr;}
    .option-grid{grid-template-columns:1fr;}
  }

  @media (max-width:480px){
    .steps{grid-template-columns:1fr 1fr;gap:16px;}
    .step{padding:20px 16px;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .wizard-nav{flex-direction:column-reverse;}
    .wizard-nav .btn{width:100%;}
  }