:root{
    --ink:#16181a;
    --ink-soft:#4a504b;
    --green:#4c8c2b;
    --green-deep:#1f3d17;
    --red:#b3241f;
    --paper:#faf9f4;
    --paper-raised:#ffffff;
    --line:rgba(22,24,26,0.12);
    --line-soft:rgba(22,24,26,0.07);
    --font-display:'Fraunces', serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'IBM Plex Mono', monospace;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font-body);
    color:var(--ink);
    background:var(--paper);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{display:block; max-width:100%;}
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--green-deep);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{
    content:'';
    width:18px; height:1px; background:var(--green);
    display:inline-block;
  }
  h1,h2,h3{
    font-family:var(--font-display);
    font-weight:500;
    letter-spacing:-0.01em;
    color:var(--ink);
  }
  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-family:var(--font-mono);
    font-size:13px;
    letter-spacing:0.04em;
    text-transform:uppercase;
    padding:13px 22px;
    border-radius:2px;
    /* border:1px solid var(--ink); */
    transition:background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
    cursor:pointer;
    background:none;
  }
  .btn-solid{background:var(--green-deep); color:#fff; border-color:var(--green-deep);}
  .btn-solid:hover{background:var(--green); border-color:var(--green); transform:translateY(-1px);}
  .btn-ghost{color:var(--ink); border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--ink); transform:translateY(-1px);}
  .btn-liquid{background:#b3241f; color: #fff;}
 
  /* header */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(250,249,244,0.92);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav-row{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .logo{
    font-family:var(--font-display);
    font-size:21px;
    font-weight:600;
    letter-spacing:0.02em;
    display:flex; align-items:center; gap:9px;
  }
  .logo-mark{width:26px; height:26px; flex:none;}
  .nav-links{display:flex; align-items:center; gap:34px;}
  .nav-links a{
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--ink-soft);
    position:relative;
    padding:4px 0;
  }
  .nav-links a::after{
    content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
    background:var(--green); transition:width 0.25s ease;
  }
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{width:100%;}
  .nav-cta{display:flex; align-items:center; gap:22px; background-color: #b3241f; color: white;}
  .menu-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
  .menu-toggle span{width:22px; height:1.5px; background:var(--ink); display:block;}
 
  /* hero */
  .hero{
    padding:96px 0 84px;
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid; grid-template-columns:1.15fr 0.85fr; gap:64px; align-items:center;
  }
  .hero h1{
    font-size:clamp(40px, 5vw, 62px);
    line-height:1.04;
    margin:22px 0 26px;
  }
  .hero h1 em{font-style:italic; color:var(--green-deep);}
  .hero p.lede{
    font-size:17px; color:var(--ink-soft); max-width:480px; margin-bottom:34px;
  }
  .hero-actions{display:flex; gap:14px; flex-wrap:wrap;}
  .hero-visual{
    position:relative;
    aspect-ratio:1/1.05;
    border:1px solid var(--line);
    background:var(--paper-raised);
    padding:26px;
  }
  .hero-visual .cert-top{
    display:flex; justify-content:space-between; font-family:var(--font-mono);
    font-size:11px; color:var(--ink-soft); letter-spacing:0.04em;
    border-bottom:1px solid var(--line-soft); padding-bottom:14px; margin-bottom:14px;
  }
  .flow-diagram{width:100%; height:calc(100% - 90px);}
  .hero-visual .cert-foot{
    font-family:var(--font-mono); font-size:11px; color:var(--ink-soft);
    border-top:1px solid var(--line-soft); padding-top:12px; margin-top:14px;
    display:flex; justify-content:space-between;
  }
 
  /* divisions */
  .divisions{padding:100px 0; border-bottom:1px solid var(--line);}
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end; gap:30px;
    margin-bottom:52px; flex-wrap:wrap;
  }
  .section-head h2{font-size:clamp(28px,3.2vw,38px); max-width:460px;}
  .section-head p{color:var(--ink-soft); max-width:340px; font-size:14.5px; padding-bottom:4px;}
  .division-grid{
    display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
    background:var(--line); border:1px solid var(--line);
  }
  .division-card{
    background:var(--paper-raised);
    padding:30px 26px 26px;
    display:flex; flex-direction:column; gap:16px;
    min-height:260px;
    transition:background 0.3s ease;
  }
  .division-card:hover{background:#fdfcf8;}
  .division-card .code{
    font-family:var(--font-mono); font-size:11.5px; color:var(--red);
    letter-spacing:0.06em;
  }
  .division-card h3{font-size:21px; font-weight:600; line-height:1.2;}
  .division-card p{font-size:13.8px; color:var(--ink-soft); flex:1;}
  .division-card .tag{
    font-family:var(--font-mono); font-size:11px; color:var(--green-deep);
    border-top:1px solid var(--line-soft); padding-top:12px; letter-spacing:0.02em;
  }
  .division-card .icon{width:30px; height:30px; color:var(--green);}
 
  /* about / flow band */
  .about{padding:100px 0; border-bottom:1px solid var(--line);}
  .about-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:70px; align-items:center;}
  .about h2{font-size:clamp(28px,3.2vw,36px); margin:18px 0 22px; max-width:440px;}
  .about p{color:var(--ink-soft); font-size:15px; max-width:440px; margin-bottom:16px;}
  .capability-list{margin-top:26px; display:flex; flex-direction:column; gap:0;}
  .capability-list li{
    display:flex; justify-content:space-between; padding:14px 0;
    border-top:1px solid var(--line-soft);
    font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.03em;
  }
  .capability-list li:last-child{border-bottom:1px solid var(--line-soft);}
  .capability-list span:first-child{color:var(--ink);}
  .capability-list span:last-child{color:var(--ink-soft);}
  .pipeline{width:100%;}
 
  /* cta band */
  .cta-band{
    background:var(--green-deep); color:#fff; padding:80px 0; text-align:center;
  }
  .cta-band .eyebrow{color:#cfe3c2;}
  .cta-band .eyebrow::before{background:#cfe3c2;}
  .cta-band h2{color:#fff; font-size:clamp(28px,4vw,42px); margin:20px auto 30px; max-width:640px;}
  .cta-band p{color:#d8e3d0; max-width:480px; margin:0 auto 34px; font-size:15px;}
  .cta-band .btn-solid{background:#fff; color:var(--green-deep); border-color:#fff;}
  .cta-band .btn-solid:hover{background:var(--red); color:#fff; border-color:var(--red);}
  .cta-band .btn-ghost{border-color:rgba(255,255,255,0.4); color:#fff;}
  .cta-band .btn-ghost:hover{border-color:#fff;}
  .cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}
 
  /* footer */
  footer{background:var(--ink); color:#e7e6e1;}
  .footer-top{padding:72px 0 50px; border-bottom:1px solid rgba(255,255,255,0.1);}
  .footer-grid{display:grid; grid-template-columns:1.3fr repeat(3,0.9fr) 1.2fr; gap:40px;}
  .footer-brand .logo{color:#fff; margin-bottom:14px;}
  .footer-brand p{color:#a7aaa4; font-size:13.5px; max-width:220px;}
  .footer-col h4{
    font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase;
    letter-spacing:0.08em; color:#8f9389; margin-bottom:16px;
  }
  .footer-col ul{display:flex; flex-direction:column; gap:10px;}
  .footer-col a{font-size:13.5px; color:#cfd0c9; transition:color 0.2s ease;}
  .footer-col a:hover{color:#fff;}
  .newsletter-form{display:flex; margin-top:14px; border:1px solid rgba(255,255,255,0.25);}
  .newsletter-form input{
    flex:1; background:none; border:none; padding:11px 12px; color:#fff; font-size:13px; font-family:var(--font-body);
  }
  .newsletter-form input::placeholder{color:#8f9389;}
  .newsletter-form button{
    background:var(--green); border:none; color:#fff; padding:0 16px; cursor:pointer;
    font-family:var(--font-mono); font-size:12px; letter-spacing:0.04em; text-transform:uppercase;
  }
  .newsletter-form button:hover{background:var(--green-deep);}
  .footer-bottom{
    padding:22px 0; display:flex; justify-content:space-between; align-items:center;
    font-family:var(--font-mono); font-size:11.5px; color:#8f9389; flex-wrap:wrap; gap:10px;
  }
  .footer-bottom .socials{display:flex; gap:16px;}
  .footer-bottom .socials a{color:#8f9389;}
  .footer-bottom .socials a:hover{color:#fff;}
 
  .reveal{opacity:0; transform:translateY(16px); transition:opacity 0.7s ease, transform 0.7s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}
 
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-visual{order:-1; aspect-ratio:16/10;}
    .division-grid{grid-template-columns:repeat(2,1fr);}
    .about-grid{grid-template-columns:1fr; gap:40px;}
    .footer-grid{grid-template-columns:repeat(2,1fr); gap:32px;}
  }
  @media (max-width:680px){
    .nav-links, .nav-cta .btn-ghost{display:none;}
    .menu-toggle{display:flex;}
    .division-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr; gap:30px;}
    .footer-bottom{flex-direction:column; align-items:flex-start;}
    .wrap{padding:0 20px;}
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{transition:none; opacity:1; transform:none;}
  }