:root{
    --navy-950:#060912;
    --navy-900:#0b1020;
    --navy-800:#121a33;
    --navy-700:#1a2547;
    --blue-600:#2b5fe0;
    --blue-500:#3f6fed;
    --blue-400:#6fa0ff;
    --blue-200:#c3d7ff;
    --ink-100:#f2f4f8;
    --slate-400:#93a0be;
    --slate-500:#6c7796;
    --line:rgba(147,160,190,0.16);
    --line-strong:rgba(147,160,190,0.3);
  }

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

  html{scroll-behavior:smooth;}

  body{
    background:var(--navy-900);
    color:var(--ink-100);
    font-family:'Inter', sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3,.brand-word{
    font-family:'Sora', sans-serif;
  }

  a{color:inherit; text-decoration:none;}

  img{max-width:100%; display:block;}

  .wrap{
    max-width:1120px;
    margin:0 auto;
    padding:0 32px;
  }

  @media (max-width:640px){
    .wrap{padding:0 20px;}
  }

  /* -------- Nav -------- */
  header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(11,16,32,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }

  nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 0;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
  }

  .brand img{
    height:34px;
    width:34px;
    object-fit:contain;
  }

  .brand-word{
    font-size:18px;
    font-weight:700;
    letter-spacing:0.01em;
  }

  .brand-word span{color:var(--blue-400);}

  .nav-links{
    display:flex;
    gap:32px;
    font-size:14px;
    color:var(--slate-400);
  }

  .nav-links a:hover{color:var(--ink-100);}

  .nav-cta{
    background:var(--blue-600);
    color:#fff;
    padding:10px 20px;
    border-radius:6px;
    font-size:14px;
    font-weight:600;
    transition:background 0.2s ease;
  }

  .nav-cta:hover{background:var(--blue-500);}

  @media (max-width:780px){
    .nav-links{display:none;}
  }

  /* -------- Hero -------- */
  .hero{
    position:relative;
    padding:96px 0 88px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }

  .hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse 60% 60% at 70% 20%, black, transparent);
    opacity:0.5;
    pointer-events:none;
  }

  .hero-inner{
    position:relative;
    max-width:680px;
  }

  .hero-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--blue-400);
    background:rgba(63,111,237,0.1);
    border:1px solid rgba(63,111,237,0.3);
    padding:6px 14px;
    border-radius:999px;
    margin-bottom:24px;
    opacity:0;
    animation:fadeUp 0.6s ease forwards;
  }

  .hero h1{
    font-size:44px;
    font-weight:700;
    line-height:1.15;
    letter-spacing:-0.01em;
    margin-bottom:22px;
    opacity:0;
    animation:fadeUp 0.6s ease 0.1s forwards;
  }

  .hero p{
    font-size:18px;
    color:var(--slate-400);
    max-width:520px;
    margin-bottom:36px;
    opacity:0;
    animation:fadeUp 0.6s ease 0.2s forwards;
  }

  @keyframes fadeUp{
    from{opacity:0; transform:translateY(14px);}
    to{opacity:1; transform:translateY(0);}
  }

  @media (prefers-reduced-motion: reduce){
    .hero-tag, .hero h1, .hero p, .hero-cta{
      animation:none !important;
      opacity:1 !important;
      transform:none !important;
    }
  }

  .hero-cta{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    opacity:0;
    animation:fadeUp 0.6s ease 0.3s forwards;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:14px 26px;
    border-radius:6px;
    font-size:15px;
    font-weight:600;
    transition:transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  }

  .btn:focus-visible{
    outline:2px solid var(--blue-400);
    outline-offset:3px;
  }

  .btn-primary{
    background:var(--blue-600);
    color:#fff;
  }

  .btn-primary:hover{
    background:var(--blue-500);
    transform:translateY(-1px);
  }

  .btn-ghost{
    background:transparent;
    color:var(--ink-100);
    border:1px solid var(--line-strong);
  }

  .btn-ghost:hover{
    border-color:var(--blue-400);
    color:var(--blue-200);
  }

  @media (max-width:640px){
    .hero h1{font-size:32px;}
    .hero p{font-size:16px;}
  }

  /* -------- Risk list -------- */
  .risks{
    padding:72px 0;
    border-bottom:1px solid var(--line);
  }

  .section-label{
    font-size:14px;
    color:var(--blue-400);
    font-weight:600;
    margin-bottom:12px;
  }

  .section-heading{
    font-size:28px;
    font-weight:700;
    max-width:560px;
    margin-bottom:48px;
    line-height:1.3;
  }

  .risk-row{
    display:flex;
    gap:24px;
    padding:24px 0;
    border-top:1px solid var(--line);
    align-items:flex-start;
  }

  .risk-row:last-child{border-bottom:1px solid var(--line);}

  .risk-icon{
    flex-shrink:0;
    width:20px;
    height:20px;
    color:var(--blue-400);
    margin-top:3px;
  }

  .risk-text strong{
    display:block;
    font-size:16px;
    margin-bottom:4px;
    font-weight:600;
  }

  .risk-text p{
    font-size:15px;
    color:var(--slate-400);
    max-width:640px;
  }

  /* -------- Services -------- */
  .services{
    padding:72px 0;
    border-bottom:1px solid var(--line);
  }

  .service{
    display:grid;
    grid-template-columns:220px 1fr;
    gap:40px;
    padding:40px 0;
    border-top:1px solid var(--line);
  }

  .service:last-child{border-bottom:1px solid var(--line);}

  .service-name{
    font-size:22px;
    font-weight:700;
    color:var(--blue-200);
  }

  .service-body p{
    color:var(--slate-400);
    font-size:15.5px;
    max-width:560px;
    margin-bottom:14px;
  }

  .service-body ul{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:8px;
  }

  .service-body li{
    font-size:14.5px;
    color:var(--ink-100);
    padding-left:18px;
    position:relative;
  }

  .service-body li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:6px;
    height:6px;
    background:var(--blue-400);
    border-radius:1px;
  }

  @media (max-width:700px){
    .service{grid-template-columns:1fr; gap:12px;}
  }

  /* -------- Process -------- */
  .process{
    padding:72px 0;
    border-bottom:1px solid var(--line);
  }

  .process-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }

  .process-step{
    background:var(--navy-900);
    padding:32px 24px;
  }

  .process-num{
    font-family:'Sora', sans-serif;
    font-size:14px;
    color:var(--blue-400);
    font-weight:600;
    margin-bottom:16px;
  }

  .process-step h3{
    font-size:17px;
    margin-bottom:8px;
    font-weight:600;
  }

  .process-step p{
    font-size:14px;
    color:var(--slate-400);
  }

  @media (max-width:780px){
    .process-grid{grid-template-columns:1fr;}
  }

  /* -------- Diagnostic banner -------- */
  .diagnostic{
    background:var(--blue-200);
    color:var(--navy-950);
    padding:72px 0;
  }

  .diagnostic-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
  }

  .diagnostic h2{
    font-size:30px;
    font-weight:700;
    max-width:460px;
    line-height:1.3;
    margin-bottom:12px;
  }

  .diagnostic p{
    color:#2f3f66;
    max-width:440px;
    font-size:15.5px;
  }

  .diagnostic .btn-primary{
    background:var(--navy-950);
    white-space:nowrap;
  }

  .diagnostic .btn-primary:hover{
    background:#0d1424;
  }

  /* -------- Trust -------- */
  .trust{
    padding:72px 0;
    border-bottom:1px solid var(--line);
  }

  .trust-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:40px;
  }

  .trust-item h3{
    font-size:16px;
    font-weight:600;
    margin-bottom:8px;
  }

  .trust-item p{
    font-size:14.5px;
    color:var(--slate-400);
  }

  @media (max-width:700px){
    .trust-grid{grid-template-columns:1fr; gap:28px;}
  }

  /* -------- Final CTA -------- */
  .final-cta{
    padding:96px 0;
    text-align:center;
  }

  .final-cta h2{
    font-size:32px;
    font-weight:700;
    max-width:520px;
    margin:0 auto 16px;
    line-height:1.3;
  }

  .final-cta p{
    color:var(--slate-400);
    margin-bottom:32px;
  }

  .final-cta .hero-cta{
    justify-content:center;
    opacity:1;
    animation:none;
  }

  /* -------- Contact form -------- */
  .contact{
    padding:72px 0;
    border-bottom:1px solid var(--line);
  }

  .contact-layout{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:start;
  }

  .contact-intro p{
    color:var(--slate-400);
    font-size:15.5px;
    max-width:400px;
    margin-top:4px;
  }

  form{
    display:flex;
    flex-direction:column;
    gap:18px;
  }

  .field label{
    display:block;
    font-size:13.5px;
    color:var(--slate-400);
    margin-bottom:7px;
  }

  .field input,
  .field textarea{
    width:100%;
    background:var(--navy-800);
    border:1px solid var(--line-strong);
    border-radius:6px;
    padding:12px 14px;
    color:var(--ink-100);
    font-family:'Inter', sans-serif;
    font-size:14.5px;
  }

  .field textarea{
    resize:vertical;
    min-height:90px;
  }

  .field input:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--blue-400);
  }

  .field input::placeholder,
  .field textarea::placeholder{
    color:var(--slate-500);
  }

  .form-status{
    font-size:14px;
    min-height:20px;
  }

  .form-status[data-state="success"]{color:#7fd99a;}
  .form-status[data-state="error"]{color:#f28b8b;}

  .btn[disabled]{
    opacity:0.6;
    cursor:not-allowed;
    transform:none;
  }

  @media (max-width:780px){
    .contact-layout{grid-template-columns:1fr; gap:32px;}
  }

  /* -------- Footer -------- */
  footer{
    border-top:1px solid var(--line);
    padding:36px 0;
  }

  .footer-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:16px;
  }

  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--slate-500);
    font-size:14px;
  }

  .footer-brand img{height:22px; width:22px; object-fit:contain;}

  .footer-links{
    display:flex;
    gap:24px;
    font-size:14px;
    color:var(--slate-400);
  }

  .footer-links a:hover{color:var(--ink-100);}
