:root{
    --ink:#0B0E13;
    --ink-raised:#12161C;
    --paper:#EDEEEA;
    --steel:#9AA4AD;
    --line:rgba(255,255,255,0.10);
    --red:#E3402C;
    --amber:#F2A93C;
    --display:'IBM Plex Sans',sans-serif;
    --body:'Source Sans 3',sans-serif;
    --mono:'IBM Plex Mono',monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;background:var(--ink);color:var(--paper);
    font-family:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased;
  }
  a{color:inherit;}
  .wrap{max-width:1220px;margin:0 auto;padding:0 32px;}

  /* ---------- NAV ---------- */
  header{position:sticky;top:0;z-index:50;background:rgba(11,14,19,0.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
  nav.wrap{display:flex;align-items:center;justify-content:space-between;height:116px;position:relative;}
  .brand img{height:92px;display:block;}
  .navlinks{display:flex;gap:32px;list-style:none;margin:0;padding:0;font-family:var(--display);font-weight:500;font-size:13.5px;letter-spacing:0.04em;text-transform:uppercase;}
  .navlinks a{text-decoration:none;color:var(--steel);padding-bottom:6px;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;}
  .navlinks a:hover, .navlinks a.active{color:var(--paper);border-color:var(--red);}
  .navsocial{display:flex;gap:12px;}
  .navsocial a{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--amber);text-decoration:none;transition:border-color .15s,background .15s;}
  .navsocial a:hover{border-color:var(--amber);background:rgba(242,169,60,0.08);}
  .navsocial svg{width:15px;height:15px;}
  .nav-toggle-checkbox{display:none;}
  .nav-toggle-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;cursor:pointer;border:1px solid var(--line);border-radius:50%;flex:none;}
  .nav-toggle-btn span{width:18px;height:2px;background:var(--amber);display:block;border-radius:1px;}
  @media (max-width:920px){
    nav.wrap{height:88px;}
    .brand img{height:64px;}
    .nav-toggle-btn{display:flex;}
    .navlinks{
      display:none;position:absolute;top:100%;left:0;right:0;
      background:var(--ink);border-bottom:1px solid var(--line);
      flex-direction:column;gap:0;padding:8px 32px 8px;z-index:60;
    }
    .navlinks a{display:block;padding:16px 0;border-bottom:1px solid var(--line);}
    .navsocial{
      display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;
      background:var(--ink);padding:16px 32px 24px;gap:14px;z-index:59;
      border-bottom:1px solid var(--line);
    }
    .nav-toggle-checkbox:checked ~ .navlinks{display:flex;}
    .nav-toggle-checkbox:checked ~ .navsocial{display:flex;}
  }

  /* ---------- HERO ---------- */
  .hero{
    position:relative;min-height:88vh;display:flex;align-items:center;
    background:
      linear-gradient(180deg, rgba(11,14,19,0.55) 0%, rgba(11,14,19,0.75) 55%, rgba(11,14,19,0.97) 100%),
      radial-gradient(ellipse at 30% 20%, rgba(227,64,44,0.14), transparent 55%),
      repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 64px),
      linear-gradient(160deg,#151A21 0%, #0B0E13 65%);
    overflow:hidden;
  }
  .hero-content{position:relative;z-index:2;padding:80px 0 96px;}
  .eyebrow{
    font-family:var(--mono);font-size:12.5px;letter-spacing:0.14em;text-transform:uppercase;
    color:var(--amber);display:flex;align-items:center;gap:10px;margin-bottom:26px;
  }
  .eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);}
  h1{
    font-family:var(--display);font-weight:700;font-size:clamp(40px,6vw,72px);
    line-height:1.06;letter-spacing:-0.01em;margin:0 0 28px;max-width:900px;
  }
  h1 .accent{color:var(--red);}
  h1 .accent2{color:var(--amber);}
  .hero-desc{font-size:18px;color:var(--steel);max-width:560px;margin:0 0 38px;}
  .cta-row{display:flex;gap:16px;flex-wrap:wrap;}
  .btn{
    font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:0.02em;
    text-decoration:none;padding:16px 28px;border-radius:3px;display:inline-flex;align-items:center;gap:10px;
    transition:transform .15s, box-shadow .15s, background .15s;
  }
  .btn-primary{background:var(--red);color:#fff;}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(227,64,44,0.35);}
  .btn-ghost{border:1px solid var(--line);color:var(--paper);}
  .btn-ghost:hover{border-color:var(--amber);color:var(--amber);}

  /* faint schematic line art decoration, bottom right of hero */
  .hero-deco{position:absolute;right:120px;bottom:100px;width:760px;opacity:0.08;z-index:1;pointer-events:none;filter:invert(1);}
  @media (max-width:1100px){ .hero-deco{width:480px;right:20px;} }
  @media (max-width:760px){ .hero-deco{width:280px;right:-20px;bottom:20px;opacity:0.10;} }

  /* ---------- SERVICES ---------- */
  section.services{padding:100px 0;background:var(--ink);}
  .services-head{max-width:640px;margin-bottom:56px;}
  .services-head .eyebrow{margin-bottom:18px;}
  .services-head h2{font-family:var(--display);font-weight:700;font-size:clamp(28px,3.4vw,40px);margin:0 0 14px;letter-spacing:-0.01em;}
  .services-head p{color:var(--steel);font-size:16px;margin:0;}

  .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  @media (max-width:980px){ .grid4{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .grid4{grid-template-columns:1fr;} }
  .card{background:var(--ink-raised);padding:34px 28px;transition:background .15s;}
  .card:hover{background:#171C24;}
  .card .num{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:0.08em;margin-bottom:18px;}
  .card h3{font-family:var(--display);font-weight:600;font-size:18px;margin:0 0 10px;}
  .card p{color:var(--steel);font-size:14.5px;margin:0;}

  /* ---------- STANDARDS STRIP ---------- */
  .standards{background:var(--ink-raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0;}
  .standards .wrap{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;}
  .standards .item b{display:block;font-family:var(--display);font-weight:700;font-size:26px;color:var(--amber);margin-bottom:4px;}
  .standards .item span{font-family:var(--mono);font-size:11.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--steel);}

  /* ---------- FOOTER ---------- */
  footer{padding:56px 0 28px;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;margin-bottom:40px;}
  @media (max-width:760px){ .foot-grid{grid-template-columns:1fr;} }
  .foot-grid img{height:92px;margin-bottom:14px;}
  .foot-grid p{color:var(--steel);font-size:14px;max-width:300px;margin:0;}
  .foot-grid h4{font-family:var(--mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--steel);margin:0 0 16px;}
  .foot-grid a{font-size:14.5px;color:var(--paper);margin:0 0 10px;text-decoration:none;display:block;}
  .foot-grid a:hover{color:var(--amber);}
  .foot-meta{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:var(--mono);font-size:11px;color:var(--steel);}

  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }

/* ---------- INNER PAGE HERO (banner) ---------- */
.page-hero{
  position:relative;padding:64px 0 56px;border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(11,14,19,0.6) 0%, rgba(11,14,19,0.92) 100%),
    linear-gradient(160deg,#151A21 0%, #0B0E13 65%);
}
.page-hero h1{font-family:var(--display);font-weight:700;font-size:clamp(32px,4.4vw,48px);margin:0;letter-spacing:-0.01em;}
.page-hero .eyebrow{margin-bottom:18px;}
.breadcrumb{font-family:var(--mono);font-size:12px;color:var(--steel);letter-spacing:0.04em;margin-top:14px;}
.breadcrumb a{color:var(--steel);text-decoration:none;}
.breadcrumb a:hover{color:var(--amber);}

/* ---------- PROSE (content pages) ---------- */
main{padding:72px 0 96px;}
.prose{max-width:820px;}
.prose h2{font-family:var(--display);font-weight:700;font-size:clamp(22px,2.6vw,28px);margin:44px 0 16px;letter-spacing:-0.01em;}
.prose h2:first-child{margin-top:0;}
.prose h3{font-family:var(--display);font-weight:600;font-size:18px;margin:30px 0 12px;color:var(--amber);}
.prose p{color:var(--steel);font-size:16px;margin:0 0 16px;}
.prose ul{color:var(--steel);font-size:15.5px;padding-left:20px;margin:0 0 20px;}
.prose li{margin-bottom:8px;}
.prose strong{color:var(--paper);font-weight:600;}

.side-panel{
  background:var(--ink-raised);border:1px solid var(--line);padding:28px;
  font-family:var(--mono);font-size:12.5px;align-self:start;position:sticky;top:132px;
}
.side-panel h4{font-family:var(--display);font-size:14px;font-weight:600;color:var(--paper);margin:0 0 16px;letter-spacing:0;text-transform:none;}
.side-panel .row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);}
.side-panel .row:last-child{border-bottom:none;}
.side-panel .label{color:var(--steel);}
.side-panel .val{color:var(--paper);text-align:right;}
.two-col{display:grid;grid-template-columns:1fr 300px;gap:56px;}
@media (max-width:900px){ .two-col{grid-template-columns:1fr;} .side-panel{position:static;} }

/* ---------- PROJECT GRID ---------- */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px;}
@media (max-width:900px){ .project-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .project-grid{grid-template-columns:1fr;} }
.project-card{background:var(--ink-raised);}
.project-card .img-wrap{aspect-ratio:4/3;overflow:hidden;background:#0B0E13;}
.project-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s;}
.project-card:hover img{transform:scale(1.05);}
.project-card .cap{padding:16px 18px;}
.project-card .cap p{margin:0;font-size:14px;color:var(--paper);line-height:1.4;}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media (max-width:860px){ .contact-grid{grid-template-columns:1fr;} }
.contact-block{background:var(--ink-raised);border:1px solid var(--line);padding:32px;}
.contact-block h3{font-family:var(--display);font-weight:600;font-size:16px;margin:0 0 18px;color:var(--amber);}
.contact-line{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;}
.contact-line:last-child{border-bottom:none;}
.contact-line .label{color:var(--steel);font-family:var(--mono);font-size:11.5px;letter-spacing:0.05em;text-transform:uppercase;padding-top:2px;}
.contact-line .val{color:var(--paper);text-align:right;}
.contact-line a{color:var(--paper);text-decoration:none;}
.contact-line a:hover{color:var(--amber);}
.map-embed{border:1px solid var(--line);height:100%;min-height:320px;}
.map-embed iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(0.3) invert(0.92) contrast(0.9);}

/* ---------- UPDATING NOTICE ---------- */
.updating-notice{
  border:1px solid var(--line);background:var(--ink-raised);
  padding:64px 40px;text-align:center;max-width:640px;margin:0 auto;
}
.updating-notice .icon{
  width:48px;height:48px;margin:0 auto 24px;border-radius:50%;
  border:1px solid var(--copper,var(--amber));display:flex;align-items:center;justify-content:center;
}
.updating-notice .icon svg{width:22px;height:22px;stroke:var(--amber);}
.updating-notice h2{font-family:var(--display);font-weight:700;font-size:22px;margin:0 0 12px;}
.updating-notice p{color:var(--steel);font-size:15px;margin:0;}