:root{
    --black: #0a0a0a;
    --black-soft: #131313;
    --panel: #161616;
    --line: rgba(255,255,255,0.10);
    --line-strong: rgba(255,255,255,0.22);
    --white: #f5f4f2;
    --white-dim: #b8b7b4;
    --gray: #7a7a78;
    --gray-dark: #3a3a38;
    --beam: rgba(255,255,255,0.85);
    --display: 'Archivo Expanded', sans-serif;
    --body: 'Archivo', sans-serif;
    --mono: 'JetBrains Mono', monospace;
  }

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

  html{ scroll-behavior:smooth; }

  body{
    background:var(--black);
    color:var(--white);
    font-family:var(--body);
    font-size:16px;
    line-height:1.6;
    overflow-x:hidden;
  }

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

  ::selection{ background:var(--white); color:var(--black); }

  .wrap{ max-width:1200px; margin:0 auto; padding:0 32px; }

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

  /* ---------- grain / texture overlay ---------- */
  .grain{
    position:fixed; inset:0; pointer-events:none; z-index:200;
    opacity:0.035; mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  /* ---------- nav ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(10,10,10,0.72);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .logo{
    font-family:var(--display); font-weight:800; font-size:19px;
    letter-spacing:0.02em; text-transform:uppercase;
    display:flex; align-items:center;
  }
  .logo span{ color:var(--gray); }
  .logo img{ height:34px; width:auto; display:block; }
  .navlinks{ display:flex; gap:40px; align-items:center; }
  .navlinks a{
    font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--white-dim); font-weight:500;
    position:relative; padding:4px 0;
    transition:color .25s;
  }
  .navlinks a::after{
    content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
    background:var(--white); transition:width .3s;
  }
  .navlinks a:hover{ color:var(--white); }
  .navlinks a:hover::after{ width:100%; }
  .nav-cta{
    border:1px solid var(--line-strong); padding:9px 18px !important;
    font-size:12px;
  }
  .nav-cta:hover{ background:var(--white); color:var(--black) !important; }
  .nav-cta::after{ display:none; }
  .burger{ display:none; }
  @media (max-width:860px){
    .navlinks{ display:none; }
    .burger{ display:block; font-family:var(--mono); font-size:12px; letter-spacing:.1em; border:1px solid var(--line-strong); padding:8px 14px; }
  }

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    min-height:100vh;
    display:flex; flex-direction:column; justify-content:center;
    padding-top:76px;
    overflow:hidden;
  }
  .beam-field{
    position:absolute; inset:0; z-index:0;
    background:
      radial-gradient(600px 600px at var(--mx,70%) var(--my,30%), rgba(255,255,255,0.10), transparent 60%),
      repeating-linear-gradient(115deg, transparent, transparent 78px, rgba(255,255,255,0.035) 79px, transparent 80px);
    transition:background .1s linear;
  }
  .hero-grid{
    position:absolute; inset:0; z-index:0; opacity:0.5;
    background-image:
      linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 90%);
  }
  .hero-inner{ position:relative; z-index:1; }
  .hero-mark{
    position:absolute; z-index:0; top:50%; right:-4%;
    width:min(52vw, 900px); opacity:0.65;
    transform:translateY(-50%);
    filter:drop-shadow(0 0 80px rgba(255,255,255,0.10));
    pointer-events:none;
  }
  .hero-mark::after{ content:''; }
  @media (max-width:960px){ .hero-mark{ width:82vw; right:-8%; opacity:0.35; } }
  .eyebrow{
    font-family:var(--mono); font-size:12px; letter-spacing:0.18em;
    text-transform:uppercase; color:var(--gray);
    display:flex; align-items:center; gap:10px; margin-bottom:28px;
  }
  .eyebrow .dot{
    width:7px; height:7px; border-radius:50%; background:var(--white);
    box-shadow:0 0 12px 3px rgba(255,255,255,0.6);
    animation:pulse 2.4s ease-in-out infinite;
  }
  @keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

  h1.hero-title{
    font-family:var(--display); font-weight:800;
    font-size:clamp(46px, 8vw, 108px);
    line-height:0.96; letter-spacing:-0.01em;
    text-transform:uppercase;
    max-width:1000px;
  }
  h1.hero-title .out{ display:block; color:var(--gray-dark); -webkit-text-stroke:1px var(--white-dim); }
  h1.hero-title .in{ display:block; }

  .hero-sub{
    max-width:520px; margin-top:32px;
    font-size:17px; color:var(--white-dim); line-height:1.7;
  }
  .hero-actions{ display:flex; gap:16px; margin-top:44px; flex-wrap:wrap; }
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:15px 28px; font-size:13px; letter-spacing:0.06em;
    text-transform:uppercase; font-weight:600;
    border:1px solid var(--white); transition:all .3s;
  }
  .btn-solid{ background:var(--white); color:var(--black); }
  .btn-solid:hover{ background:transparent; color:var(--white); }
  .btn-ghost{ border-color:var(--line-strong); color:var(--white); }
  .btn-ghost:hover{ border-color:var(--white); }

  .hero-meta{
    position:absolute; bottom:40px; right:32px; z-index:1;
    font-family:var(--mono); font-size:11px; color:var(--gray);
    text-align:right; letter-spacing:0.05em; display:flex; gap:24px;
  }
  @media (max-width:860px){ .hero-meta{ display:none; } }

  .scroll-cue{
    position:absolute; bottom:40px; left:32px; z-index:1;
    display:flex; align-items:center; gap:12px;
    font-family:var(--mono); font-size:11px; color:var(--gray); letter-spacing:0.1em;
  }
  .scroll-cue .line{ width:1px; height:34px; background:linear-gradient(var(--white), transparent); animation:drop 1.8s ease-in-out infinite; }
  @keyframes drop{ 0%{ opacity:0; transform:translateY(-6px);} 50%{opacity:1;} 100%{ opacity:0; transform:translateY(6px);} }
  @media (max-width:860px){ .scroll-cue{ display:none; } }

  /* ---------- section shell ---------- */
  section{ padding:140px 0; position:relative; border-top:1px solid var(--line); }
  @media (max-width:640px){ section{ padding:90px 0; } }

  .kicker{
    font-family:var(--mono); font-size:12px; letter-spacing:0.18em;
    text-transform:uppercase; color:var(--gray); margin-bottom:20px;
    display:flex; align-items:center; gap:12px;
  }
  .kicker::before{ content:''; width:28px; height:1px; background:var(--gray); }

  h2.sec-title{
    font-family:var(--display); font-weight:800; text-transform:uppercase;
    font-size:clamp(32px, 4.2vw, 56px); line-height:1.02; letter-spacing:-0.01em;
    max-width:760px;
  }

  /* ---------- services ---------- */
  .services-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; margin-bottom:80px; flex-wrap:wrap; }
  .services-head p{ max-width:380px; color:var(--white-dim); font-size:15px; }

  .services-list{ border-top:1px solid var(--line); }
  .service-row{
    display:grid; grid-template-columns:80px 1fr 1.2fr;
    gap:40px; padding:44px 0; border-bottom:1px solid var(--line);
    align-items:start; transition:background .3s;
  }
  .service-row:hover{ background:rgba(255,255,255,0.02); }
  @media (max-width:760px){ .service-row{ grid-template-columns:1fr; gap:10px; padding:32px 0; } }
  .service-index{ font-family:var(--mono); color:var(--gray); font-size:14px; padding-top:6px; }
  .service-name{ font-family:var(--display); font-weight:700; font-size:26px; text-transform:uppercase; letter-spacing:-0.005em; }
  .service-desc{ color:var(--white-dim); font-size:15px; max-width:520px; }
  .service-desc .tags{ margin-top:14px; display:flex; flex-wrap:wrap; gap:8px; }
  .service-desc .tag{
    font-family:var(--mono); font-size:11px; color:var(--gray);
    border:1px solid var(--line-strong); padding:5px 10px; letter-spacing:0.03em;
  }

  /* ---------- cad / pre-vis section ---------- */
  .cad-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; margin-bottom:64px; flex-wrap:wrap; }
  .cad-head p{ max-width:400px; color:var(--white-dim); font-size:15px; }

  .cad-tools{ border-top:1px solid var(--line); margin-bottom:80px; }
  .cad-tool-row{
    display:grid; grid-template-columns:80px 1fr 1.2fr;
    gap:40px; padding:36px 0; border-bottom:1px solid var(--line);
    align-items:start;
  }
  @media (max-width:760px){ .cad-tool-row{ grid-template-columns:1fr; gap:8px; padding:26px 0; } }
  .cad-tool-index{ font-family:var(--mono); color:var(--gray); font-size:14px; padding-top:4px; }
  .cad-tool-name{ font-family:var(--display); font-weight:700; font-size:21px; text-transform:uppercase; }
  .cad-tool-desc{ color:var(--white-dim); font-size:14.5px; max-width:520px; }

  .cad-hero-img{
    width:100%; border:1px solid var(--line-strong);
    background:#000; margin-bottom:80px; overflow:hidden;
    position:relative;
  }
  .cad-hero-img img{ width:100%; display:block; }
  .cad-hero-cap{
    display:flex; justify-content:space-between; align-items:center;
    font-family:var(--mono); font-size:11px; color:var(--gray);
    margin-top:14px; letter-spacing:0.04em; flex-wrap:wrap; gap:8px;
  }

  .cad-sub{ margin-bottom:56px; }
  .cad-sub h3{
    font-family:var(--display); font-weight:700; text-transform:uppercase;
    font-size:15px; letter-spacing:0.04em; color:var(--white-dim);
    display:flex; align-items:center; gap:12px; margin-bottom:28px;
  }
  .cad-sub h3::before{ content:''; width:20px; height:1px; background:var(--gray); }

  .render-strip{ display:grid; grid-template-columns:repeat(4, 1fr); gap:2px; background:var(--line); border:1px solid var(--line); }
  @media (max-width:860px){ .render-strip{ grid-template-columns:1fr 1fr; } }
  @media (max-width:520px){ .render-strip{ grid-template-columns:1fr; } }
  .render-strip figure{ margin:0; background:var(--black); aspect-ratio:4/3; overflow:hidden; position:relative; }
  .render-strip img{ width:100%; height:100%; object-fit:cover; filter:grayscale(30%) contrast(1.08) brightness(0.88); transition:transform .6s ease, filter .5s ease; }
  .render-strip figure:hover img{ transform:scale(1.06); filter:grayscale(0%) contrast(1.1) brightness(1); }

  .render-strip-3{ grid-template-columns:repeat(3, 1fr); margin-top:24px; }
  @media (max-width:760px){ .render-strip-3{ grid-template-columns:1fr; } }

  .cad-copy{
    color:var(--white-dim); font-size:15px; line-height:1.75;
    max-width:640px; margin-top:28px;
  }

  .cad-strip{ display:grid; grid-template-columns:1fr; gap:24px; }
  .cad-strip figure{ margin:0; background:#f2f1ee; padding:18px; border:1px solid var(--line-strong); }
  .cad-strip img{ width:100%; display:block; }
  /* CAD plots are native white-background line drawings, presented as light "drafting table" panels against the dark page */

  .cad-strip figcaption{
    padding:14px 2px 0; font-family:var(--mono); font-size:11px; color:var(--gray); letter-spacing:0.04em;
  }

  .cad-grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:24px; }
  @media (max-width:760px){ .cad-grid-2{ grid-template-columns:1fr; } }
  .cad-grid-2 figure{ margin:0; background:#f2f1ee; padding:18px; border:1px solid var(--line-strong); }
  .cad-grid-2 img{ width:100%; display:block; }
  .cad-grid-2 figcaption{ padding:14px 2px 0; font-family:var(--mono); font-size:11px; color:var(--gray); letter-spacing:0.04em; }


  .about-grid{
    display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start;
  }
  @media (max-width:860px){ .about-grid{ grid-template-columns:1fr; gap:48px; } }
  .about-copy p{ color:var(--white-dim); font-size:16px; margin-top:20px; max-width:480px; }
  .about-copy p:first-of-type{ margin-top:32px; }
  .stat-block{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); margin-top:56px; border:1px solid var(--line); }
  .stat{ background:var(--black); padding:30px 26px; }
  .stat .num{ font-family:var(--display); font-weight:800; font-size:40px; }
  .stat .label{ font-family:var(--mono); font-size:11px; color:var(--gray); text-transform:uppercase; letter-spacing:0.08em; margin-top:6px; }

  .about-visual{
    aspect-ratio:4/5; position:relative; border:1px solid var(--line-strong);
    overflow:hidden; display:flex; align-items:flex-end; padding:28px;
  }
  .about-visual img{
    position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
    filter:grayscale(35%) contrast(1.1) brightness(0.82);
  }
  .about-visual::after{
    content:''; position:absolute; inset:0; z-index:1;
    background:linear-gradient(200deg, rgba(10,10,10,0.05), rgba(10,10,10,0.85) 80%);
  }
  .about-visual .cap{ position:relative; z-index:2; font-family:var(--mono); font-size:11px; color:var(--white-dim); letter-spacing:0.06em; }

  /* ---------- portfolio ---------- */
  .portfolio-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:2px; background:var(--line); border:1px solid var(--line); margin-top:70px; }
  @media (max-width:860px){ .portfolio-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:560px){ .portfolio-grid{ grid-template-columns:1fr; } }

  .p-card{
    background:var(--black); aspect-ratio:4/5; position:relative;
    overflow:hidden; display:flex; flex-direction:column; justify-content:flex-end;
    padding:24px; cursor:default;
  }
  .p-card .bg{
    position:absolute; inset:0; width:100%; height:100%;
    object-fit:cover; object-position:center;
    filter:grayscale(45%) contrast(1.08) brightness(0.85);
    transition:transform .6s ease, filter .5s ease;
  }
  .p-card:hover .bg{ transform:scale(1.06); filter:grayscale(15%) contrast(1.1) brightness(0.95); }
  .p-card::before{
    content:''; position:absolute; inset:0; z-index:1;
    background:linear-gradient(200deg, rgba(10,10,10,0.15), rgba(10,10,10,0.9) 75%);
  }
  .p-card .idx, .p-card h3, .p-card .type{ position:relative; z-index:2; }
  .p-card .idx{ position:relative; font-family:var(--mono); font-size:11px; color:var(--gray); margin-bottom:10px; }
  .p-card h3{ position:relative; font-family:var(--display); font-weight:700; font-size:19px; text-transform:uppercase; line-height:1.15; }
  .p-card .type{ position:relative; font-size:12px; color:var(--white-dim); margin-top:8px; }
  /* Swap each .p-card .bg for a real project photo: replace the div with
     <img src="your-photo.jpg" style="width:100%;height:100%;object-fit:cover;position:absolute;inset:0;"> */

  .portfolio-foot{ margin-top:48px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
  .portfolio-foot p{ color:var(--gray); font-size:14px; max-width:440px; }

  /* ---------- process strip ---------- */
  .process{ background:var(--panel); }
  .process-list{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:70px; }
  @media (max-width:860px){ .process-list{ grid-template-columns:1fr 1fr; } }
  @media (max-width:520px){ .process-list{ grid-template-columns:1fr; } }
  .p-step{ background:var(--panel); padding:36px 26px; }
  .p-step .n{ font-family:var(--mono); color:var(--gray); font-size:12px; }
  .p-step h4{ font-family:var(--display); font-weight:700; text-transform:uppercase; font-size:17px; margin-top:16px; }
  .p-step p{ color:var(--white-dim); font-size:14px; margin-top:10px; }

  /* ---------- contact ---------- */
  .contact-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:80px; }
  @media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; gap:56px; } }
  .contact-lines a{
    display:block; font-family:var(--display); font-weight:700;
    font-size:clamp(26px,3.4vw,40px); text-transform:uppercase;
    padding:20px 0; border-bottom:1px solid var(--line);
    transition:color .25s, padding-left .25s;
  }
  .contact-lines a:hover{ color:var(--gray); padding-left:14px; }
  .contact-lines a:first-child{ border-top:1px solid var(--line); }
  .contact-side dl{ display:grid; grid-template-columns:auto 1fr; gap:14px 24px; font-size:14px; }
  .contact-side dt{ font-family:var(--mono); color:var(--gray); text-transform:uppercase; font-size:11px; letter-spacing:0.06em; padding-top:3px; }
  .contact-side dd{ color:var(--white-dim); }
  .contact-side{ margin-top:8px; }
  .contact-note{ margin-top:44px; padding:20px; border:1px dashed var(--line-strong); font-family:var(--mono); font-size:12px; color:var(--gray); line-height:1.8; }

  footer{ border-top:1px solid var(--line); padding:36px 0; }
  .foot-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
  .foot-row p{ font-family:var(--mono); font-size:11px; color:var(--gray); letter-spacing:0.04em; }
  .foot-links{ display:flex; gap:24px; }
  .foot-links a{ font-family:var(--mono); font-size:11px; color:var(--gray); }
  .foot-links a:hover{ color:var(--white); }

  .reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }

  @media (prefers-reduced-motion:reduce){
    *{ animation:none !important; transition:none !important; }
    .reveal{ opacity:1; transform:none; }
  }

  a:focus-visible, button:focus-visible{ outline:2px solid var(--white); outline-offset:3px; }

  /* ---------- contact form page ---------- */
  .page-hero{
    padding:170px 0 80px; border-top:none;
  }
  .page-hero p.lead{ max-width:560px; color:var(--white-dim); font-size:16px; margin-top:24px; line-height:1.7; }

  .form-wrap{ max-width:680px; }

  .field{ margin-bottom:28px; }
  .field label{
    display:flex; justify-content:space-between; align-items:baseline;
    font-family:var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--white-dim); margin-bottom:10px;
  }
  .field label .req{ color:var(--gray); font-size:10px; letter-spacing:0.04em; text-transform:none; }
  .field input, .field textarea{
    width:100%; background:transparent; border:none; border-bottom:1px solid var(--line-strong);
    color:var(--white); font-family:var(--body); font-size:16px; padding:12px 2px;
    transition:border-color .25s; outline:none;
  }
  .field input::placeholder, .field textarea::placeholder{ color:var(--gray-dark); }
  .field input:focus, .field textarea:focus{ border-color:var(--white); }
  .field input:invalid:not(:placeholder-shown), .field textarea:invalid:not(:placeholder-shown){ border-color:#c94a4a; }
  .field textarea{ resize:vertical; min-height:120px; font-family:var(--body); }

  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
  @media (max-width:640px){ .field-row{ grid-template-columns:1fr; } }

  .form-foot{ display:flex; align-items:center; gap:24px; margin-top:44px; flex-wrap:wrap; }
  .form-note{ font-family:var(--mono); font-size:11px; color:var(--gray); max-width:320px; line-height:1.6; }

  .submit-btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 32px; font-size:13px; letter-spacing:0.06em; text-transform:uppercase; font-weight:600;
    border:1px solid var(--white); background:var(--white); color:var(--black);
    cursor:pointer; transition:all .3s; font-family:var(--body);
  }
  .submit-btn:hover{ background:transparent; color:var(--white); }

  .contact-alt{
    margin-top:64px; padding-top:44px; border-top:1px solid var(--line);
    display:flex; gap:48px; flex-wrap:wrap;
  }
  .contact-alt div{ min-width:180px; }
  .contact-alt dt{ font-family:var(--mono); font-size:11px; color:var(--gray); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:8px; }
  .contact-alt dd{ color:var(--white-dim); font-size:14.5px; }

  /* honeypot field - hidden from real visitors, visible to bots */
  .hp-field{ position:absolute; left:-9999px; top:-9999px; opacity:0; height:0; overflow:hidden; }