:root{
    --cream:#FAF7F0;
    --board:#FFFFFF;
    --ink:#211F1C;
    --ink-soft:#57544D;
    --rail-red:#D6432E;
    --rail-black:#211F1C;
    --amber:#EF9F27;
    --teal:#0F7A5C;
    --coral:#D85A30;
    --line:#DBD6C9;
    --radius:14px;
    --max:1120px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--cream);
    color:var(--ink);
    font-family:'Inter',sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:'Fredoka',sans-serif;
    font-weight:600;
    margin:0 0 .5rem;
    line-height:1.15;
  }
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--teal);
    display:flex;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:8px;height:8px;border-radius:50%;
    background:var(--coral);
    display:inline-block;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:'Inter',sans-serif;font-weight:600;font-size:15px;
    padding:13px 26px;border-radius:999px;
    border:2px solid var(--ink);
    background:var(--ink);color:var(--cream);
    text-decoration:none;
    transition:transform .15s ease, background .15s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn.ghost{
    background:transparent;color:var(--ink);
  }

  /* NAV */
  nav{
    position:sticky;top:0;z-index:20;
    background:rgba(250,247,240,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  nav .wrap{
    display:flex;align-items:center;justify-content:space-between;
    padding-top:14px;padding-bottom:14px;
  }
  nav .logo{display:flex;align-items:center;gap:10px;}
  nav .logo img{height:36px;width:auto;}
  nav .links{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500;}
  nav .links a{text-decoration:none;opacity:.8;}
  nav .links a:hover{opacity:1;}
  @media(max-width:720px){nav .links a.hide-mobile{display:none;}}

  /* HERO */
  .hero{padding:64px 0 40px;}
  .hero-grid{
    display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  }
  @media(max-width:880px){.hero-grid{grid-template-columns:1fr;}}
  .hero h1{font-size:clamp(34px,5vw,54px);}
  .hero p.lead{font-size:18px;color:var(--ink-soft);max-width:46ch;margin-bottom:28px;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px;}
  .hero-photo{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--board);
  }
  .hero-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.1;}
  .service-strip{
    display:flex;gap:18px;flex-wrap:wrap;
    font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink-soft);
  }
  .service-strip span{
    padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:var(--board);
  }

  /* RAIL DIVIDER (signature motif) */
  .rail-divider{padding:26px 0;}
  .rail-divider .board-strip{
    background:var(--board);
    border:1px solid var(--line);
    border-radius:12px;
    padding:14px 22px;
    display:flex;align-items:center;gap:16px;
    overflow:hidden;
  }
  .rail-line{height:2px;flex:1;background:var(--rail-red);position:relative;}
  .rail-line.neg{background:var(--rail-black);}
  .rail-label{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);white-space:nowrap;}
  .holes{display:flex;gap:10px;flex:3;justify-content:center;flex-wrap:wrap;}
  .holes span{width:5px;height:5px;border-radius:50%;background:var(--line);display:inline-block;}

  /* SECTION GENERIC */
  section{padding:64px 0;}
  .section-head{max-width:640px;margin-bottom:40px;}
  .section-head h2{font-size:clamp(26px,3.4vw,36px);}
  .section-head p{color:var(--ink-soft);font-size:16.5px;}

  /* THREE CARDS */
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  @media(max-width:880px){.cards{grid-template-columns:1fr;}}
  .card{
    background:var(--board);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:flex;flex-direction:column;
  }
  .card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .card-body{padding:20px 22px 24px;}
  .card-body h3{font-size:19px;}
  .card-body p{font-size:14.5px;color:var(--ink-soft);margin:0;}
  .tag{
    font-family:'IBM Plex Mono',monospace;font-size:11.5px;
    text-transform:uppercase;letter-spacing:.06em;
    padding:3px 9px;border-radius:6px;display:inline-block;margin-bottom:10px;
  }
  .tag.coral{background:#FBE7DE;color:#93341A;}
  .tag.amber{background:#FDECD1;color:#8A5A0C;}
  .tag.teal{background:#DDF0E9;color:#0B5A42;}

  /* DEMO (signature interactive) */
  .demo{
    background:var(--board);border:1px solid var(--line);border-radius:20px;
    padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  }
  @media(max-width:880px){.demo{grid-template-columns:1fr;padding:28px 24px;}}
  .demo-copy p{color:var(--ink-soft);font-size:15.5px;}
  .breadboard-demo{
    background:var(--cream);
    border:1px solid var(--line);
    border-radius:12px;
    padding:26px 20px 22px;
  }
  .bb-rails{display:flex;flex-direction:column;gap:5px;margin-bottom:16px;}
  .bb-rails .r{height:2px;background:var(--rail-red);border-radius:2px;}
  .bb-rails .b{height:2px;background:var(--rail-black);border-radius:2px;}
  .bb-grid{
    display:grid;grid-template-columns:repeat(12,1fr);gap:8px;
    padding:14px 0;margin-bottom:18px;
  }
  .bb-grid span{width:5px;height:5px;border-radius:50%;background:var(--line);justify-self:center;}
  .bb-stage{display:flex;align-items:center;justify-content:center;gap:22px;padding:10px 0 4px;}
  #led{
    width:46px;height:60px;border-radius:50% 50% 46% 46%;
    background:#e7dccb;border:2px solid #cfc4ac;
    transition:background .15s ease, box-shadow .15s ease;
    position:relative;
  }
  #led.on{
    background:var(--coral);
    border-color:#a83f1f;
    box-shadow:0 0 22px 6px rgba(216,90,48,.55);
  }
  #pressBtn{
    width:64px;height:64px;border-radius:50%;
    background:#3a3835;border:4px solid #211f1c;
    cursor:pointer;
    box-shadow:0 3px 0 #14130f;
    transition:transform .08s ease, box-shadow .08s ease;
  }
  #pressBtn:active{transform:translateY(3px);box-shadow:0 0 0 #14130f;}
  .demo-caption{
    text-align:center;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);margin-top:14px;
  }

  /* GALLERY */
  .gallery{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;}
  @media(max-width:880px){.gallery{grid-template-columns:1fr;}}
  .gallery img{border-radius:var(--radius);border:1px solid var(--line);width:100%;height:100%;object-fit:cover;}
  .gallery .side{display:grid;grid-template-rows:1fr 1fr;gap:18px;}

  /* CONTACT */
  .contact-box{
    background:var(--ink);color:var(--cream);
    border-radius:24px;padding:52px 44px;
    display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  }
  @media(max-width:880px){.contact-box{grid-template-columns:1fr;padding:36px 26px;}}
  .contact-box h2{color:var(--cream);}
  .contact-box p{color:#C9C5BB;font-size:15.5px;}
  form{display:flex;flex-direction:column;gap:12px;}
  form input,form select,form textarea{
    font-family:'Inter',sans-serif;font-size:14.5px;
    padding:12px 14px;border-radius:9px;border:1px solid #55524a;
    background:#2b2926;color:var(--cream);
  }
  form input::placeholder,form textarea::placeholder{color:#928F84;}
  form button{
    margin-top:4px;
    background:var(--coral);color:#fff;border:none;
    padding:13px 22px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;
    font-family:'Inter',sans-serif;
  }

  footer{padding:36px 0 48px;border-top:1px solid var(--line);}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
  footer .logo img{height:26px;}
  footer p{font-size:13px;color:var(--ink-soft);margin:0;}