  :root{
    --bg: #f5f7fb;
    --bg-panel: #ffffff;
    --bg-panel-2: #f0f4ff;
    --midnight: #0a0f1a;
    --midnight-soft: #131c2e;
    --blue: #0f62fe;
    --cyan: #00e5ff;
    --text: #10141f;
    --text-muted: #5b6376;
    --border: #e3e7f0;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  html,body{ margin:0; padding:0; }

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

  .bg-decor{
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
  }
  .bg-decor::before,
  .bg-decor::after{
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .28;
  }
  .bg-decor::before{
    width: 560px; height: 560px;
    top: -220px; right: -180px;
    background: radial-gradient(circle at 30% 30%, var(--cyan), transparent 70%);
  }
  .bg-decor::after{
    width: 500px; height: 500px;
    bottom: -220px; left: -200px;
    background: radial-gradient(circle at 60% 60%, var(--blue), transparent 70%);
    opacity: .16;
  }

  .wrap{
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
  }

  a{ color: inherit; }

  /* Header */
  .site-header{
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(245,247,251,.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }
  .site-header .wrap{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .brand{
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    flex: none;
  }
  .brand-logo{
    height: 30px;
    width: auto;
    display: block;
  }
  .nav-links{
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-links a{
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-muted);
    transition: color .15s ease;
  }
  .nav-links a:hover{ color: var(--midnight); }

  .btn{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 10px;
    padding: 11px 20px;
    border: none;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  }
  .btn-primary{
    background: linear-gradient(100deg, var(--blue), var(--cyan));
    color: #fff;
    box-shadow: 0 10px 22px -10px rgba(15,98,254,.55);
  }
  .btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 14px 26px -10px rgba(15,98,254,.6); }
  .btn-ghost{
    background: transparent;
    color: var(--midnight);
    border: 1px solid var(--border);
  }
  .btn-ghost:hover{ border-color: #c7cfe0; }

  .header-cta{ flex: none; }

  @media (max-width: 760px){
    .nav-links{ display: none; }
  }

  /* Hero */
  main{ display: block; }
  .hero{
    padding: 76px 0 56px;
  }

  .eyebrow{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--blue);
    background: #e8f0ff;
    border: 1px solid #d3e2ff;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
  }
  .eyebrow .dot{
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--blue);
  }

  h1{
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.06;
    margin: 0 0 18px;
    letter-spacing: -0.015em;
    font-weight: 800;
    color: var(--midnight);
  }
  h1 .accent{
    background: linear-gradient(100deg, var(--blue), var(--cyan) 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .lede{
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 0 22px;
  }

  .high-five{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 40px;
    padding: 8px 16px 8px 12px;
    border-radius: 999px;
    background: var(--midnight);
    color: #fff;
  }
  .high-five .hand{ font-size: 16px; line-height: 1; }
  .high-five .grad{
    background: linear-gradient(100deg, var(--cyan), var(--blue) 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-actions{
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
  }

  /* Section shell */
  section{ padding: 56px 0; }
  section + section{ border-top: 1px solid var(--border); }
  .section-eyebrow{
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--blue);
    margin: 0 0 10px;
  }
  .section-title{
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 800;
    color: var(--midnight);
    margin: 0 0 12px;
    letter-spacing: -0.01em;
  }
  .section-lede{
    font-size: 15.5px;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 0 36px;
  }

  /* Services grid */
  .services{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
  }
  .card{
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px 22px 22px;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  }
  .card:hover{
    transform: translateY(-3px);
    border-color: #c7d8ff;
    box-shadow: 0 16px 30px -20px rgba(10,15,26,.25);
  }
  .card-icon{
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #e8f0ff, #e6fbff);
    color: var(--blue);
  }
  .card-icon svg{ width: 20px; height: 20px; }
  .card h3{
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--midnight);
  }
  .card p{
    font-size: 13.5px;
    color: var(--text-muted);
    margin: 0;
  }

  /* Card that links to a dedicated service page */
  a.card{
    display: block;
    text-decoration: none;
  }
  a.card:hover{ border-color: #9dc0ff; }
  .card-more{
    display: inline-block;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--blue);
  }

  /* Additional services */
  .additional{
    background: var(--bg-panel-2);
    border-radius: 22px;
    padding: 48px 32px;
    border-top: none;
  }
  .additional-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
  }
  .additional-grid .card{ background: #fff; }

  /* Why us */
  .why-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
  }
  .stat-tile{
    background: var(--midnight);
    border-radius: 16px;
    padding: 26px 22px;
    color: #fff;
  }
  .stat-tile .num{
    font-size: 30px;
    font-weight: 800;
    background: linear-gradient(100deg, var(--cyan), var(--blue) 85%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 6px;
  }
  .stat-tile .label{
    font-size: 13.5px;
    color: #b9c0d4;
    font-weight: 600;
  }
  .why-closing{
    font-size: 15.5px;
    color: var(--text-muted);
    max-width: 660px;
  }
  .why-closing b{ color: var(--midnight); }

  /* Contact */
  .contact-grid{
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
  }
  @media (max-width: 760px){
    .contact-grid{ grid-template-columns: 1fr; }
  }
  .contact-info p{
    color: var(--text-muted);
    font-size: 15px;
    max-width: 380px;
  }
  .contact-email{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    font-size: 17px;
    font-weight: 700;
    color: var(--midnight);
    text-decoration: none;
  }
  .contact-email:hover{ color: var(--blue); }

  .contact-form{
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 26px;
    display: grid;
    gap: 14px;
  }
  .field{
    display: grid;
    gap: 6px;
  }
  .field label{
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
  }
  .field input,
  .field textarea{
    font-family: inherit;
    font-size: 14.5px;
    padding: 11px 13px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    resize: vertical;
  }
  .field input:focus,
  .field textarea:focus{
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(15,98,254,.15);
  }
  .contact-form .btn-primary{ justify-self: start; margin-top: 4px; }

  /* Footer */
  footer{
    padding: 30px 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
  }
  .footer-brand{
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-brand img{ height: 22px; }
  footer a{
    color: var(--blue);
    text-decoration: none;
  }
  footer a:hover{ text-decoration: underline; }

  #services, #additional, #why, #contact{ scroll-margin-top: 76px; }

  /* Page hero (subpages) */
  .page-hero{ padding: 56px 0 48px; }
  .page-hero p.lede{ margin-bottom: 0; }

  /* Breadcrumb-ish back link */
  .back-link{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 18px;
  }
  .back-link:hover{ color: var(--blue); }

  /* Value / culture grid (About, Careers) */
  .value-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
  }
  .value-card{
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px;
  }
  .value-card h3{
    font-size: 15.5px;
    font-weight: 700;
    color: var(--midnight);
    margin: 0 0 6px;
  }
  .value-card p{
    font-size: 13.5px;
    color: var(--text-muted);
    margin: 0;
  }

  /* Empty state (Projects, Careers openings) */
  .empty-state{
    background: var(--bg-panel);
    border: 1.5px dashed var(--border);
    border-radius: 18px;
    padding: 44px 32px;
    text-align: center;
  }
  .empty-state .icon{
    width: 46px; height: 46px;
    margin: 0 auto 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f0ff, #e6fbff);
    color: var(--blue);
  }
  .empty-state .icon svg{ width: 22px; height: 22px; }
  .empty-state h3{
    font-size: 18px;
    font-weight: 700;
    color: var(--midnight);
    margin: 0 0 8px;
  }
  .empty-state p{
    font-size: 14.5px;
    color: var(--text-muted);
    max-width: 440px;
    margin: 0 auto 20px;
  }

  /* Project card (for when case studies are added) */
  .project-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
  }
  .project-card{
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
  }
  .project-card .thumb{
    height: 140px;
    background: linear-gradient(135deg, var(--midnight), #1c2a45);
  }
  .project-card .body{ padding: 20px; }
  .project-card .tag{
    display: inline-block;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--blue);
    margin-bottom: 8px;
  }
  .project-card h3{
    font-size: 16px;
    font-weight: 700;
    color: var(--midnight);
    margin: 0 0 6px;
  }
  .project-card p{
    font-size: 13.5px;
    color: var(--text-muted);
    margin: 0;
  }

  /* FAQ */
  .faq{
    display: grid;
    gap: 10px;
    max-width: 720px;
  }
  .faq details{
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
  }
  .faq summary{
    font-size: 15px;
    font-weight: 700;
    color: var(--midnight);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .faq summary::-webkit-details-marker{ display: none; }
  .faq summary::after{
    content: "+";
    font-size: 20px;
    font-weight: 400;
    color: var(--blue);
    flex: none;
  }
  .faq details[open] summary::after{ content: "–"; }
  .faq details p{
    font-size: 14px;
    color: var(--text-muted);
    margin: 12px 0 0;
  }

  /* Openings list (Careers) */
  .openings{
    display: grid;
    gap: 12px;
  }
  .opening-row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    flex-wrap: wrap;
  }
  .opening-row h3{
    font-size: 15.5px;
    font-weight: 700;
    color: var(--midnight);
    margin: 0 0 4px;
  }
  .opening-row span{
    font-size: 13px;
    color: var(--text-muted);
  }

  /* CTA banner (bottom of subpages) */
  .cta-banner{
    background: var(--midnight);
    border-radius: 22px;
    padding: 44px 36px;
    text-align: center;
  }
  .cta-banner h2{
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 800;
    color: #fff;
    margin: 0 0 10px;
  }
  .cta-banner p{
    font-size: 15px;
    color: #b9c0d4;
    margin: 0 0 22px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
