:root{
    --ink:#0B1E33;
    --blueprint:#12395C;
    --steel:#5C7A99;
    --amber:#E8873A;
    --paper:#F6F5F2;
    --white:#FFFFFF;
    --line: rgba(92,122,153,0.35);
    --grid: rgba(255,255,255,0.06);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'IBM Plex Sans', sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
  }
  h1,h2,h3,h4,h5,h6{
    font-family:'Space Grotesk', sans-serif;
    margin:0 0 0.5em;
    line-height:1.15;
    font-weight:600;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--amber);
    display:flex;
    align-items:center;
    gap:0.6em;
    margin-bottom:0.9em;
  }
  .eyebrow::before{
    content:"";
    width:22px; height:1px;
    background:var(--amber);
    display:inline-block;
  }
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
  section{padding:96px 0;}

  /* ---------- Header ---------- */
  .topbar{
    background:var(--ink);
    color:var(--paper);
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem;
  }
  .topbar .wrap{
    display:flex; justify-content:space-between; align-items:center;
    padding:8px 28px; gap:16px; flex-wrap:wrap;
  }
  .topbar .contact-line{display:flex; gap:22px; flex-wrap:wrap;}
  .topbar .contact-line a{opacity:0.85;}
  .topbar .socials{display:flex; gap:14px;}
  .topbar .socials a{opacity:0.7; transition:opacity .2s;}
  .topbar .socials a:hover{opacity:1; color:var(--amber);}

  header.main-nav{
    position:sticky; top:0; z-index:100;
    background:var(--ink);
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .main-nav .wrap{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 28px;
  }
  .logo{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:1.4rem;
    color:var(--white);
    letter-spacing:0.01em;
  }
  .logo span{color:var(--amber);}
  nav.primary{display:flex; align-items:center; gap:34px;}
  nav.primary ul{list-style:none; display:flex; gap:30px; margin:0; padding:0;}
  nav.primary > ul > li{position:relative;}
  nav.primary > ul > li > a{
    color:var(--paper); font-size:0.92rem; font-weight:500;
    padding:8px 0; display:inline-block;
  }
  nav.primary > ul > li:hover > a{color:var(--amber);}
  .dropdown{
    display:block;
    position:absolute; top:100%; left:0;
    background:var(--white);
    min-width:240px;
    box-shadow:0 18px 40px rgba(11,30,51,0.18);
    padding:10px 0;
    border-top:2px solid var(--amber);
    opacity:0;
    visibility:hidden;
    transform:translateY(-6px);
    transition:opacity .15s ease, transform .15s ease, visibility .15s;
    pointer-events:none;
  }
  .has-dropdown.open .dropdown{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
  }
  .dropdown li a{
    display:block; padding:11px 20px;
    color:var(--ink); font-size:0.88rem; font-weight:400;
  }
  .dropdown li a:hover{background:var(--paper); color:var(--blueprint);}
  .btn{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.8rem;
    letter-spacing:0.04em;
    text-transform:uppercase;
    padding:11px 22px;
    border:1px solid var(--amber);
    color:var(--amber);
    transition:all .2s;
    white-space:nowrap;
  }
  .btn:hover{background:var(--amber); color:var(--ink);}
  .btn.solid{background:var(--amber); color:var(--ink); border-color:var(--amber);}
  .btn.solid:hover{background:transparent; color:var(--amber);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    background:var(--ink);
    color:var(--white);
    overflow:hidden;
    padding:0;
  }
  .hero-inner{
    position:relative; z-index:2;
    max-width:1180px; margin:0 auto;
    padding:150px 28px 130px;
  }
  .hero-grid-bg{
    position:absolute; inset:0;
    background-image:
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size:48px 48px;
    z-index:1;
    animation:gridshift 40s linear infinite;
  }
  .hero-flow-canvas{
    position:absolute; inset:0;
    z-index:1;
    width:100%; height:100%;
    display:block;
    pointer-events:none;
  }
  @keyframes gridshift{
    from{background-position:0 0;}
    to{background-position:480px 480px;}
  }
  .hero h1{
    font-size:clamp(2.2rem, 5vw, 3.6rem);
    max-width:760px;
    margin-bottom:0.4em;
  }
  .hero h1 em{font-style:normal; color:var(--amber);}
  .hero p.lead{
    max-width:560px;
    font-size:1.1rem;
    color:rgba(246,245,242,0.78);
    margin-bottom:2.2em;
  }
  .hero-actions{display:flex; gap:16px; flex-wrap:wrap;}
  .hud{
    position:absolute; right:28px; bottom:28px; z-index:2;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem;
    color:rgba(246,245,242,0.45);
    text-align:right;
    display:none;
  }
  @media(min-width:900px){.hud{display:block;}}

  /* ---------- Services ---------- */
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
  .service-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .service-card{
    background:var(--white);
    padding:34px 30px;
    position:relative;
  }
  .service-card::before{
    content:"";
    position:absolute; top:0; left:0;
    width:14px; height:14px;
    border-top:2px solid var(--amber);
    border-left:2px solid var(--amber);
    opacity:0; transition:opacity .2s;
  }
  .service-card:hover::before{opacity:1;}
  .service-card h3{font-size:1.08rem; margin-bottom:0.5em;}
  .service-card p{font-size:0.92rem; color:var(--blueprint); margin:0;}
  .service-card a.stretched{position:absolute; inset:0;}

  /* ---------- About ---------- */
  .about{background:var(--white);}
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
  .about p{color:var(--blueprint); max-width:52ch;}
  .stat-row{
    display:grid; grid-template-columns:repeat(4,1fr); gap:0;
    margin-top:40px;
    border-top:1px solid var(--line);
  }
  .stat{padding:24px 18px 0; border-right:1px solid var(--line);}
  .stat:last-child{border-right:none;}
  .stat .num{
    font-family:'Space Grotesk', sans-serif;
    font-size:2.1rem; font-weight:700; color:var(--blueprint);
    display:block;
  }
  .stat .label{font-size:0.82rem; color:var(--steel);}

  /* ---------- Skills ---------- */
  .skills{background:var(--ink); color:var(--white);}
  .skills .eyebrow{color:var(--amber);}
  .skills .section-head h2{color:var(--white);}
  .skills .section-head p{color:rgba(246,245,242,0.65);}
  .skill-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:rgba(255,255,255,0.08);}
  .skill-card{
    background:var(--ink);
    padding:30px 26px;
    border-top:2px solid transparent;
    transition:border-color .2s, background .2s;
  }
  .skill-card:hover{border-top-color:var(--amber); background:var(--blueprint);}
  .skill-card h4{font-size:0.98rem; color:var(--white); margin-bottom:0.5em;}
  .skill-card p{font-size:0.86rem; color:rgba(246,245,242,0.65); margin:0;}

  /* ---------- Case studies ---------- */
  .cases{background:var(--paper);}
  .case-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
  .case-card{
    background:var(--white); border:1px solid var(--line);
    display:flex; flex-direction:column; overflow:hidden;
  }
  .case-thumb{
    aspect-ratio:4/3;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
    overflow:hidden;
  }
  .case-thumb .preview-svg{width:100%; height:100%; padding:18px; box-sizing:border-box;}
  .case-card-body{
    padding:20px 22px; display:flex; justify-content:space-between; align-items:center; gap:12px;
    flex:1;
  }
  .case-card h4{font-size:0.95rem; margin:0; line-height:1.35;}
  .case-card .btn{font-size:0.7rem; padding:9px 16px; white-space:nowrap;}

  /* ---------- Trust / locations ---------- */
  .trust{background:var(--blueprint); color:var(--white);}
  .trust .section-head h2{color:var(--white);}
  .trust p.desc{max-width:640px; color:rgba(246,245,242,0.8);}
  .loc-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:44px;}
  .loc-card{border:1px solid rgba(255,255,255,0.2); padding:28px; }
  .loc-card .eyebrow{color:var(--amber);}
  .loc-card a{display:block; margin-top:6px; color:var(--paper);}
  .loc-card .phone{font-family:'IBM Plex Mono', monospace; font-size:0.85rem; color:rgba(246,245,242,0.55);}

  /* ---------- Footer ---------- */
  footer{background:var(--ink); color:rgba(246,245,242,0.75); padding:64px 0 28px;}
  .footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,0.1);}
  footer h5{color:var(--white); font-size:0.85rem; letter-spacing:0.06em; text-transform:uppercase; margin-bottom:1.2em; font-family:'IBM Plex Mono', monospace; font-weight:500;}
  footer ul{list-style:none; margin:0; padding:0;}
  footer li{margin-bottom:10px; font-size:0.92rem;}
  footer li a:hover{color:var(--amber);}
  .footer-bottom{
    display:flex; justify-content:space-between; align-items:center;
    padding-top:24px; font-size:0.8rem; flex-wrap:wrap; gap:12px;
  }
  .footer-bottom .socials{display:flex; gap:16px;}

  @media(max-width:900px){
    .service-grid{grid-template-columns:repeat(2,1fr);}
    .skill-grid{grid-template-columns:repeat(2,1fr);}
    .case-grid{grid-template-columns:repeat(2,1fr);}
    .about-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr; gap:32px;}
    nav.primary{display:none;}
  }
  @media(max-width:600px){
    .service-grid{grid-template-columns:1fr;}
    .skill-grid{grid-template-columns:1fr;}
    .case-grid{grid-template-columns:1fr;}
    .stat-row{grid-template-columns:repeat(2,1fr); row-gap:20px;}
    .loc-grid{grid-template-columns:1fr;}
    section{padding:64px 0;}
  }
  @media (prefers-reduced-motion: reduce){
    .hero-grid-bg{animation:none;}
    html{scroll-behavior:auto;}
  }
  a:focus-visible, button:focus-visible{outline:2px solid var(--amber); outline-offset:2px;}

/* ---------- Inner page hero (subpages) ---------- */
.page-hero{
  background:var(--ink); color:var(--white); position:relative; overflow:hidden;
}
.page-hero-inner{position:relative; z-index:2; max-width:1180px; margin:0 auto; padding:90px 28px 70px;}
.page-hero h1{font-size:clamp(2rem,4vw,2.8rem); max-width:760px;}
.page-hero p.lead{max-width:600px; color:rgba(246,245,242,0.78); font-size:1.05rem;}
.breadcrumb{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:rgba(246,245,242,0.55); margin-bottom:18px;}
.breadcrumb a{color:var(--amber);}

.content-section{background:var(--white); padding:80px 0;}
.content-section .two-col{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start;}
.content-section p{color:var(--blueprint); max-width:60ch;}
.cap-list{list-style:none; margin:0; padding:0; border-top:1px solid var(--line);}
.cap-list li{padding:16px 0; border-bottom:1px solid var(--line); font-size:0.95rem; display:flex; gap:14px;}
.cap-list li::before{content:"—"; color:var(--amber); font-family:'IBM Plex Mono',monospace;}
.side-card{background:var(--paper); border:1px solid var(--line); padding:30px;}
.side-card h4{font-size:0.95rem;}
.side-card p{font-size:0.88rem;}

.cta-band{background:var(--blueprint); color:var(--white); padding:64px 0; text-align:center;}
.cta-band h2{color:var(--white); margin-bottom:0.3em;}
.cta-band p{color:rgba(246,245,242,0.75); max-width:520px; margin:0 auto 28px;}

/* Contact page */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block; font-size:0.82rem; font-family:'IBM Plex Mono',monospace; margin-bottom:6px; color:var(--blueprint);}
.form-field input, .form-field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); background:var(--paper);
  font-family:'IBM Plex Sans',sans-serif; font-size:0.92rem; color:var(--ink);
}
.form-field textarea{min-height:120px; resize:vertical;}
.form-note{font-size:0.8rem; color:var(--steel); margin-top:10px;}

@media(max-width:900px){
  .content-section .two-col{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
}

/* ---------- Device preview toolbar ---------- */
.device-toolbar{
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,0.12);
  display:flex; align-items:center; justify-content:center; gap:10px;
  padding:10px 16px;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  flex-wrap:wrap;
}
.device-toolbar-label{color:rgba(246,245,242,0.55); margin-right:4px;}
.device-toolbar button{
  background:transparent; border:1px solid var(--steel); color:var(--paper);
  padding:6px 14px; cursor:pointer; font-family:inherit; font-size:0.78rem;
  letter-spacing:0.04em; text-transform:uppercase; transition:all .15s;
}
.device-toolbar button:hover{border-color:var(--amber); color:var(--amber);}
.device-toolbar button.active{background:var(--amber); border-color:var(--amber); color:var(--ink);}

.device-frame-wrap{
  display:flex; justify-content:center; align-items:flex-start;
  padding:32px 16px; background:#DCDFE3; min-height:70vh;
}
.device-frame-wrap[hidden]{
  display:none;
}
.device-frame{
  background:var(--ink);
  border-radius:22px;
  padding:10px;
  box-shadow:0 24px 50px rgba(0,0,0,0.25);
}
.device-frame iframe{border:none; border-radius:14px; background:#fff; display:block; max-width:88vw;}
.device-frame-tablet{border-radius:16px;}
.device-frame-tablet iframe{border-radius:8px;}

/* Hide the toolbar inside the preview iframe itself, so it can't nest */
body.is-device-frame .device-toolbar,
body.is-device-frame .device-frame-wrap{display:none;}

/* ---------- Capability accordion ---------- */
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-item summary{
  list-style:none; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:16px 0; font-size:0.95rem; color:var(--ink); font-weight:500;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary::marker{content:"";}
.acc-icon{
  font-family:'IBM Plex Mono', monospace; color:var(--amber); font-size:1.05rem;
  flex:0 0 auto; width:20px; text-align:center;
}
.acc-body{padding:0 0 18px; max-width:60ch;}
.acc-body p{color:var(--blueprint); font-size:0.9rem; margin:0;}
.acc-item[open] summary{color:var(--blueprint);}

/* ---------- Service preview diagram (fixed size across every service page) ---------- */
.service-preview-section{background:var(--paper); padding:0 0 0;}
.service-preview{
  width:100%;
  aspect-ratio:16/10;
  max-height:340px;
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.preview-svg{
  width:100%; height:100%;
  padding:28px 40px;
  box-sizing:border-box;
}
.preview-svg .draw-line{
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}

/* ---------- Floating brochure download button ---------- */
.brochure-fab{
  position:fixed;
  right:24px; bottom:24px;
  z-index:150;
  display:flex; align-items:center; gap:10px;
  background:var(--amber);
  color:var(--ink);
  border-radius:999px;
  padding:14px;
  box-shadow:0 10px 26px rgba(11,30,51,0.28);
  transition:padding .25s ease, box-shadow .2s ease, transform .2s ease;
  overflow:hidden;
}
.brochure-fab:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(11,30,51,0.34);
  padding-right:20px;
}
.brochure-fab svg{flex:0 0 auto; display:block;}
.brochure-fab-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  letter-spacing:0.04em;
  text-transform:uppercase;
  max-width:0;
  opacity:0;
  white-space:nowrap;
  overflow:hidden;
  transition:max-width .25s ease, opacity .2s ease;
}
.brochure-fab:hover .brochure-fab-label,
.brochure-fab:focus-visible .brochure-fab-label{
  max-width:120px;
  opacity:1;
}

/* Hide the FAB inside the device-preview iframe so it doesn't duplicate/overlap the frame */
body.is-device-frame .brochure-fab{display:none;}

@media(max-width:600px){
  .brochure-fab{right:16px; bottom:16px;}
}

/* ---------- Mobile navigation (hamburger menu) ---------- */
.mobile-nav-toggle{
  display:none;
  flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer;
  padding:8px; z-index:210;
}
.mobile-nav-toggle span{
  display:block; width:24px; height:2px; background:var(--paper);
  transition:transform .25s ease, opacity .2s ease;
}
.mobile-nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.mobile-nav-toggle.open span:nth-child(2){opacity:0;}
.mobile-nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
  position:fixed; inset:0; top:0;
  background:var(--ink);
  z-index:200;
  overflow-y:auto;
  padding:90px 28px 40px;
}
.mobile-nav[hidden]{display:none;}
.mobile-nav-inner{display:flex; flex-direction:column; gap:2px; max-width:480px; margin:0 auto;}
.mobile-nav-inner > a{
  color:var(--paper); font-size:1.05rem; font-weight:500;
  padding:15px 4px; border-bottom:1px solid rgba(255,255,255,0.1);
}
.mobile-nav-inner > a.btn{
  border:1px solid var(--amber); text-align:center; margin-top:18px;
}
.mobile-nav-group{border-bottom:1px solid rgba(255,255,255,0.1);}
.mobile-nav-group summary{
  list-style:none; cursor:pointer; color:var(--paper);
  font-size:1.05rem; font-weight:500;
  padding:15px 4px; display:flex; justify-content:space-between; align-items:center;
}
.mobile-nav-group summary::-webkit-details-marker{display:none;}
.mobile-nav-group summary::after{
  content:"+"; color:var(--amber); font-family:'IBM Plex Mono', monospace; font-size:1.1rem;
}
.mobile-nav-group[open] summary::after{content:"\2212";}
.mobile-nav-sub{display:flex; flex-direction:column; padding:0 0 12px 12px;}
.mobile-nav-sub a{
  color:rgba(246,245,242,0.75); font-size:0.92rem; padding:9px 4px;
}

@media(max-width:900px){
  nav.primary{display:none;}
  .mobile-nav-toggle{display:flex;}
}
@media(min-width:901px){
  .mobile-nav, .mobile-nav-toggle{display:none !important;}
}