:root{
    --bg-0:#0a0f1c;
    --bg-1:#0e1525;
    --bg-2:#131c30;
    --bg-3:#19233a;
    --hairline: rgba(255,255,255,0.09);
    --hairline-strong: rgba(255,255,255,0.16);
    --text-0:#f4f6fb;
    --text-1:#c4cce0;
    --text-2:#8b96b3;
    --text-3:#5d6885;
    --accent:#5b6cff;
    --accent-soft: rgba(91,108,255,0.14);
    --accent-line: rgba(91,108,255,0.4);
    --warm:#ffb648;
    --radius-s: 8px;
    --radius-m: 14px;
    --radius-l: 22px;
    --maxw: 1180px;
    --ease: cubic-bezier(.16,.84,.32,1);
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  }

  body{
    margin:0;
    background: radial-gradient(circle at 18% -10%, #14203a 0%, var(--bg-0) 45%) , var(--bg-0);
    color: var(--text-1);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  h1,h2,h3,h4{
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    color: var(--text-0);
    margin: 0;
    letter-spacing: -0.01em;
  }

  .mono{
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  a{ color: inherit; text-decoration: none; }
  img{ max-width:100%; display:block; }

  .wrap{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 28px;
  }

  /* Focus visibility */
  a:focus-visible, button:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* ---------- NAV ---------- */
  header.nav{
    position: sticky;
    top:0;
    z-index: 50;
    backdrop-filter: blur(14px) saturate(140%);
    background: rgba(10,15,28,0.72);
    border-bottom: 1px solid var(--hairline);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content: space-between;
    height: 72px;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-family:'Space Grotesk', sans-serif;
    font-weight:600;
    font-size: 1.05rem;
    color: var(--text-0);
  }
  .brand-mark{
    width: 30px; height:30px;
    border-radius: 8px;
    background: linear-gradient(140deg, var(--accent), #3a46c4);
    display:flex; align-items:center; justify-content:center;
    flex-shrink:0;
  }
  .brand-mark svg{ width:16px; height:16px; }

  nav.links{
    display:flex;
    gap: 30px;
    align-items:center;
  }
  nav.links a{
    font-size: 0.92rem;
    color: var(--text-2);
    font-weight: 500;
    transition: color .18s var(--ease);
  }
  nav.links a:hover{ color: var(--text-0); }

  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-weight:600;
    font-size: 0.92rem;
    padding: 11px 20px;
    border-radius: 999px;
    transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
    white-space: nowrap;
  }
  .btn-primary{
    background: var(--accent);
    color: #fff;
    border: 1px solid transparent;
  }
  .btn-primary:hover{ background:#6c7bff; transform: translateY(-1px); }
  .btn-ghost{
    color: var(--text-0);
    border: 1px solid var(--hairline-strong);
    background: transparent;
  }
  .btn-ghost:hover{ border-color: var(--accent-line); background: var(--accent-soft); }

  .brand-logo-img{ height: 42px; width: 42px; object-fit: contain; display:none; }
  .brand-logo-img.loaded{ display:block; }
  .brand-logo-img.loaded ~ .brand-mark{ display:none; }
  .brand-logo-img.loaded ~ .brand-text{ display:none; }

  .nav-cta{ display:flex; }
  .menu-btn{
    display:none;
    background:none;
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    width: 40px; height:40px;
    align-items:center; justify-content:center;
    color:var(--text-0);
    cursor:pointer;
  }
  .mobile-nav{
    display:none;
    flex-direction: column;
    gap: 4px;
    padding: 14px 28px 22px;
    border-top: 1px solid var(--hairline);
  }
  .mobile-nav.open{ display:flex; }
  .mobile-nav a{
    padding: 12px 4px;
    font-size: 0.95rem;
    color: var(--text-1);
    border-bottom: 1px solid var(--hairline);
  }
  .mobile-nav a.btn{ border-bottom:none; }

  /* ---------- HERO ---------- */
  section.hero{
    padding: 96px 0 64px;
    position: relative;
    overflow: hidden;
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size: 0.74rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 22px;
  }
  .eyebrow::before{
    content:'';
    width:7px; height:7px;
    border-radius:50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
  }
  h1.headline{
    font-size: clamp(2.3rem, 4vw, 3.4rem);
    line-height: 1.08;
    font-weight: 700;
    max-width: 600px;
  }
  h1.headline em{
    font-style: normal;
    color: var(--accent);
  }
  .subhead{
    margin-top: 22px;
    font-size: 1.08rem;
    color: var(--text-2);
    max-width: 480px;
    line-height: 1.7;
  }
  .hero-actions{
    display:flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
  }
  .btn-lg{ padding: 14px 26px; font-size: 0.98rem; }

  /* ---------- RADIAL DIAGRAM ---------- */
  .radial-wrap{
    display:flex;
    align-items:center;
    justify-content:center;
    gap: 28px;
  }
  .radial-svg{
    width: min(380px, 100%);
    height: auto;
    flex-shrink:0;
  }
  .ring{
    fill:none;
    stroke-width: 1.6;
    transition: stroke-width .2s var(--ease), opacity .2s var(--ease), filter .2s var(--ease);
    cursor: pointer;
  }
  .ring.active{
    stroke-width: 3;
    filter: drop-shadow(0 0 8px var(--accent-line));
  }
  .ring-hit{ fill:none; stroke: transparent; stroke-width: 14; cursor:pointer; }
  .core-dot{ fill: var(--text-0); }
  .core-pulse{
    fill:none; stroke: var(--accent); stroke-width:1.4; opacity:.5;
    transform-origin: 220px 220px;
    animation: pulse 2.6s var(--ease) infinite;
  }
  @keyframes pulse{
    0%{ transform: scale(1); opacity:.55; }
    100%{ transform: scale(2.2); opacity:0; }
  }

  .legend{
    display:flex;
    flex-direction: column;
    gap: 13px;
  }
  .legend-item{
    display:flex;
    align-items:flex-start;
    gap: 10px;
    padding: 7px 10px 7px 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: background .15s var(--ease);
    max-width: 230px;
  }
  .legend-item:hover, .legend-item.active{ background: var(--bg-2); }
  .legend-dot{
    width:9px; height:9px;
    border-radius:50%;
    margin-top: 6px;
    flex-shrink:0;
  }
  .legend-text strong{
    display:block;
    color: var(--text-0);
    font-size: 0.86rem;
    font-weight: 600;
  }
  .legend-text span{
    display:block;
    font-size: 0.78rem;
    color: var(--text-3);
    margin-top: 2px;
    line-height:1.45;
  }

  /* ---------- TRUST STRIP ---------- */
  .trust{
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 26px 0;
    background: rgba(255,255,255,0.012);
  }
  .trust-inner{
    display:flex;
    align-items:center;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .trust-label{
    font-size: 0.72rem;
    color: var(--text-3);
    white-space: nowrap;
  }
  .partner-row{
    display:flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items:center;
  }
  .partner-chip{
    display:flex;
    align-items:center;
    justify-content:center;
    height: 44px;
    padding: 0 18px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.25);
  }
  .partner-logo-img{
    height: 20px;
    max-width: 120px;
    object-fit: contain;
    display:none;
  }
  .partner-logo-img.loaded{ display:block; }
  .partner-logo-img.loaded ~ .partner-name{ display:none; }
  .partner-chip.img-failed{ background: transparent; box-shadow:none; padding:0; height:auto; }
  .partner-name{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.84rem;
    letter-spacing: 0.04em;
    color: var(--text-1);
    font-weight: 500;
    opacity: 0.85;
    transition: opacity .15s var(--ease), color .15s var(--ease);
  }
  .partner-name:hover{ opacity:1; color: var(--text-0); }

  /* ---------- SECTION SCAFFOLD ---------- */
  section.block{ padding: 96px 0; }
  .section-head{
    max-width: 620px;
    margin-bottom: 56px;
  }
  .section-head h2{
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
    margin-top: 14px;
    line-height: 1.2;
  }
  .section-head p{
    margin-top: 16px;
    color: var(--text-2);
    font-size: 1.02rem;
    line-height: 1.7;
  }

  /* ---------- PROCESS ---------- */
  .process-grid{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--hairline);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-l);
    overflow: hidden;
  }
  .process-step{
    background: var(--bg-1);
    padding: 32px 26px;
    position: relative;
  }
  .process-step .num{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--accent);
    display:block;
    margin-bottom: 18px;
  }
  .process-step h3{
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .process-step p{
    font-size: 0.88rem;
    color: var(--text-2);
    line-height: 1.65;
    margin:0;
  }

  .domain-card.no-link{ cursor: default; }
  .domain-card.no-link:hover{ transform:none; border-color: var(--hairline); background: var(--bg-1); }

  /* ---------- DOMAINS ---------- */
  .domain-grid{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
  }
  .domain-card{
    display:block;
    background: var(--bg-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-m);
    padding: 26px;
    transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
  }
  .domain-card:hover{
    border-color: var(--accent-line);
    background: var(--bg-2);
    transform: translateY(-3px);
  }
  .domain-card:hover .card-link{ color: var(--accent); gap: 8px; }
  .domain-icon{
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--accent-soft);
    display:flex; align-items:center; justify-content:center;
    margin-bottom: 18px;
  }
  .domain-icon svg{ width:18px; height:18px; stroke: var(--accent); }
  .domain-card h3{
    font-size: 1.0rem;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .domain-card p{
    font-size: 0.87rem;
    color: var(--text-2);
    margin:0;
    line-height: 1.6;
  }
  .card-link{
    display:inline-flex;
    align-items:center;
    gap: 5px;
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    color: var(--text-3);
    margin-top: 16px;
    transition: color .18s var(--ease), gap .18s var(--ease);
  }

  /* ---------- INDUSTRIES ---------- */
  .chip-row{ display:flex; gap: 12px; flex-wrap: wrap; }
  .chip{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    padding: 11px 18px;
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    color: var(--text-1);
    transition: border-color .18s var(--ease), color .18s var(--ease);
  }
  .chip:hover{ border-color: var(--accent-line); color: var(--text-0); }

  /* ---------- STATS ---------- */
  .stats-band{
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    background: linear-gradient(180deg, rgba(91,108,255,0.05), transparent);
  }
  .stats-grid{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 56px 0;
  }
  .stat{ text-align:left; padding-right: 20px; border-left: 1px solid var(--hairline); padding-left: 24px; }
  .stat:first-child{ border-left:none; padding-left:0; }
  .stat .num{
    font-family:'Space Grotesk', sans-serif;
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    color: var(--text-0);
    font-weight: 700;
    display:block;
  }
  .stat .label{
    font-size: 0.8rem;
    color: var(--text-3);
    margin-top: 6px;
    line-height: 1.5;
  }

  /* ---------- CLIENT LOGOS ---------- */
  .client-logo-row{
    display:flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .client-logo-slot{
    width: 150px;
    height: 64px;
    border: 1px dashed var(--hairline-strong);
    border-radius: var(--radius-s);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
  }
  .client-logo-slot img{ max-height: 32px; max-width: 80%; display:none; filter: grayscale(1) brightness(2.2); opacity:.7; }
  .client-logo-slot img.loaded{ display:block; }
  .client-logo-slot.empty{ display:none; }

  /* ---------- TESTIMONIALS ---------- */
  .testi-grid{
    display:grid;
    grid-template-columns: repeat(3,1fr);
    gap: 18px;
  }
  .testi-card{
    background: var(--bg-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-m);
    padding: 28px;
    display:flex;
    flex-direction:column;
    justify-content: space-between;
  }
  .testi-card p.quote{
    font-size: 0.92rem;
    color: var(--text-1);
    line-height: 1.7;
    margin:0 0 20px 0;
  }
  .testi-card p.quote::before{ content:'"'; color: var(--accent); }
  .testi-card p.quote::after{ content:'"'; color: var(--accent); }
  .testi-card .who{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    color: var(--text-3);
    border-top: 1px solid var(--hairline);
    padding-top: 14px;
  }

  /* ---------- CONTACT ---------- */
  .contact-panel{
    background: var(--bg-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-l);
    padding: 56px;
    display:grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
  }
  .contact-panel h2{ font-size: clamp(1.6rem,2.4vw,2rem); }
  .contact-panel .subhead{ margin-top:14px; max-width: 420px; }
  .contact-details{ display:flex; flex-direction:column; gap: 22px; }
  .cd-item .label{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-3);
    margin-bottom: 6px;
    display:block;
  }
  .cd-item .value{
    color: var(--text-0);
    font-size: 0.96rem;
    font-weight: 500;
  }
  .cd-item .value.muted{ color: var(--text-2); font-weight:400; font-size:0.88rem; }

  /* ---------- FOOTER ---------- */
  footer{
    border-top: 1px solid var(--hairline);
    padding: 48px 0 36px;
  }
  .footer-inner{
    display:flex;
    justify-content: space-between;
    align-items:flex-start;
    flex-wrap: wrap;
    gap: 24px;
  }
  .footer-links{ display:flex; gap: 24px; flex-wrap: wrap; }
  .footer-links a{ font-size: 0.86rem; color: var(--text-2); }
  .footer-links a:hover{ color: var(--text-0); }
  .footer-bottom{
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid var(--hairline);
    display:flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.78rem;
    color: var(--text-3);
  }

  .process-grid.cols-3{ grid-template-columns: repeat(3,1fr); }
  @media (max-width: 760px){ .process-grid.cols-3{ grid-template-columns: 1fr; } }

  /* ---------- DETAIL PAGE TEMPLATE ---------- */
  .detail-hero{
    padding: 64px 0 56px;
    border-bottom: 1px solid var(--hairline);
  }
  .detail-hero .back-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    margin-bottom: 26px;
    transition: color .15s var(--ease);
  }
  .detail-hero .back-link:hover{ color: var(--accent); }
  .detail-hero h1{
    font-size: clamp(2rem, 3.6vw, 2.9rem);
    line-height: 1.1;
    max-width: 700px;
  }
  .detail-hero .subhead{ max-width: 620px; margin-top: 20px; font-size: 1.05rem; }

  .detail-section{ padding: 60px 0; border-bottom: 1px solid var(--hairline); }
  .detail-section:last-of-type{ border-bottom:none; }
  .detail-section-inner{ display:grid; grid-template-columns: 220px 1fr; gap: 48px; }
  .detail-label{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.76rem;
    color: var(--accent);
  }
  .detail-body h2{ font-size: 1.5rem; margin-bottom: 18px; }
  .detail-body p{ color: var(--text-1); font-size: 1rem; line-height: 1.75; max-width: 680px; }
  .detail-body p + p{ margin-top: 16px; }

  .detail-list{ list-style:none; margin: 22px 0 0; padding:0; display:grid; gap: 14px; max-width: 680px; }
  .detail-list li{
    display:flex;
    gap: 12px;
    align-items:flex-start;
    color: var(--text-1);
    font-size: 0.96rem;
    line-height: 1.6;
  }
  .detail-list li::before{
    content:'';
    width: 7px; height:7px;
    border-radius:2px;
    background: var(--accent);
    margin-top: 8px;
    flex-shrink:0;
  }

  .gap-list{ list-style:none; margin: 22px 0 0; padding:0; display:grid; gap: 14px; max-width: 680px; }
  .gap-list li{
    display:flex;
    gap: 12px;
    align-items:flex-start;
    color: var(--text-1);
    font-size: 0.96rem;
    line-height: 1.6;
    background: var(--bg-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-s);
    padding: 14px 16px;
  }
  .gap-list li::before{
    content:'?';
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: var(--warm);
    border: 1px solid rgba(255,182,72,0.4);
    border-radius: 4px;
    width: 20px; height:20px;
    display:flex; align-items:center; justify-content:center;
    flex-shrink:0;
  }

  .tech-note{
    margin-top: 24px;
    padding: 16px 18px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
    border-radius: var(--radius-s);
    font-size: 0.9rem;
    color: var(--text-1);
    max-width: 680px;
    line-height: 1.6;
  }
  .tech-note strong{ color: var(--text-0); }

  .detail-cta{
    background: linear-gradient(135deg, rgba(91,108,255,0.12), transparent);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-l);
    padding: 44px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 24px;
    flex-wrap: wrap;
  }
  .detail-cta h3{ font-size: 1.3rem; margin-bottom: 8px; }
  .detail-cta p{ color: var(--text-2); font-size: 0.92rem; margin:0; }
  .detail-cta-actions{ display:flex; gap: 12px; flex-wrap: wrap; }

  @media (max-width: 760px){
    .detail-section-inner{ grid-template-columns: 1fr; gap: 14px; }
    .detail-cta{ padding: 30px; }
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 920px){
    nav.links{ display:none; }
    .nav-cta{ display:none; }
    .menu-btn{ display:flex; }
    .hero-grid{ grid-template-columns: 1fr; }
    .radial-wrap{ margin-top: 30px; }
    .process-grid{ grid-template-columns: repeat(2,1fr); }
    .domain-grid{ grid-template-columns: repeat(2,1fr); }
    .testi-grid{ grid-template-columns: 1fr; }
    .stats-grid{ grid-template-columns: repeat(2,1fr); row-gap: 28px; }
    .stat:nth-child(3){ border-left:none; padding-left:0; }
    .contact-panel{ grid-template-columns: 1fr; padding: 36px 26px; }
  }
  @media (max-width: 600px){
    .wrap{ padding: 0 20px; }
    section.hero{ padding-top: 110px; }
    .process-grid{ grid-template-columns: 1fr; }
    .domain-grid{ grid-template-columns: 1fr; }
    .stats-grid{ grid-template-columns: repeat(2,1fr); }
    h1.headline{ font-size: 2.1rem; }
  }