:root{
    --bg: #F6F7F9;
    --bg-alt: #EEF1F4;
    --ink: #16202B;
    --ink-soft: #4D5A67;
    --muted: #8A96A3;
    --line: #D8DEE4;
    --accent: #245C73;
    --accent-soft: #DCEAEE;
    --notice: #8A4B12;
    --notice-bg: #FBF1E4;
    --notice-line: #E3B978;
    --white: #FFFFFF;
    --radius: 2px;
    --display: 'Space Grotesk', sans-serif;
    --body: 'IBM Plex Sans', sans-serif;
    --mono: 'IBM Plex Mono', monospace;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:var(--body);
    line-height:1.6;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit; text-decoration:none;}
  .wrap{max-width:1120px; margin:0 auto; padding:0 32px;}
  .eyebrow{
    font-family:var(--mono);
    font-size:11px;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--accent);
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 12px;
    border:1px solid var(--accent);
    border-radius:var(--radius);
  }
  .eyebrow::before{content:''; width:6px; height:6px; background:var(--accent); border-radius:50%; display:inline-block;}

  /* Header */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(246,247,249,0.92);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex; align-items:center; justify-content:space-between; padding:20px 32px; max-width:1120px; margin:0 auto;}
  .logo{
    font-family:var(--mono); font-weight:500; font-size:15px; letter-spacing:-0.01em;
    display:flex; align-items:center; gap:10px; text-transform:lowercase;
  }
  .logo .mark{width:20px; height:20px; flex-shrink:0;}
  .navlinks{display:flex; gap:28px; align-items:center;}
  .navlinks a{font-size:14px; color:var(--ink-soft); font-weight:500; transition:color .15s;}
  .navlinks a:hover{color:var(--accent);}
  .langselect{
    font-family:var(--mono); font-size:12px; background:var(--white); border:1px solid var(--line);
    padding:7px 10px; border-radius:var(--radius); color:var(--ink); cursor:pointer;
  }
  .navburger{display:none;}

  /* Hero */
  .hero{
    padding:96px 0 80px;
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
  }
  .hero h1{
    font-family:var(--display); font-weight:600; font-size:44px; line-height:1.12; letter-spacing:-0.015em;
    margin:20px 0 20px;
  }
  .hero p.sub{color:var(--ink-soft); font-size:17px; max-width:520px; margin-bottom:32px;}
  .cta-row{display:flex; gap:14px; flex-wrap:wrap;}
  .btn{
    font-family:var(--mono); font-size:13px; letter-spacing:0.02em; padding:13px 22px;
    border-radius:var(--radius); border:1px solid var(--accent); cursor:pointer; transition:all .15s;
  }
  .btn-primary{background:var(--accent); color:var(--white);}
  .btn-primary:hover{background:#1c4a5c;}
  .btn-ghost{background:transparent; color:var(--accent);}
  .btn-ghost:hover{background:var(--accent-soft);}

  .chain-figure{width:100%; height:auto;}

  /* Focus section */
  .section{padding:88px 0;}
  .section.alt{background:var(--bg-alt);}
  .section-head{max-width:620px; margin-bottom:48px;}
  .section-head h2{font-family:var(--display); font-size:30px; font-weight:600; letter-spacing:-0.01em; margin:14px 0 16px;}
  .section-head p{color:var(--ink-soft); font-size:16px;}
  .focus-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
  .focus-grid .figure{border:1px solid var(--line); background:var(--white); padding:24px; border-radius:var(--radius);}

  /* Research cards */
  .cards{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .card{
    background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
    padding:28px; display:flex; flex-direction:column; gap:12px;
  }
  .card .code{font-family:var(--mono); font-size:12px; color:var(--accent); letter-spacing:0.08em;}
  .card h3{font-family:var(--display); font-size:19px; font-weight:600;}
  .card p{color:var(--ink-soft); font-size:14.5px;}
  .card .bar{width:100%; height:2px; background:var(--line); position:relative; overflow:hidden; border-radius:2px;}
  .card .bar::after{content:''; position:absolute; left:0; top:0; height:100%; width:38%; background:var(--accent);}

  /* Compliance */
  .notice-box{
    background:var(--notice-bg); border:1px solid var(--notice-line); border-radius:var(--radius);
    padding:36px; margin-top:8px;
  }
  .notice-box h3{font-family:var(--display); font-size:18px; color:var(--notice); margin-bottom:18px;}
  .notice-list{list-style:none; display:flex; flex-direction:column; gap:16px;}
  .notice-list li{display:flex; gap:12px; font-size:14.5px; color:#5C4324; align-items:flex-start;}
  .notice-list li::before{content:'§'; font-family:var(--mono); color:var(--notice); font-weight:600; flex-shrink:0;}

  /* Contact */
  .contact-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px;}
  .contact-info p{color:var(--ink-soft); margin-bottom:24px;}
  .contact-meta{font-family:var(--mono); font-size:13px; color:var(--ink-soft); display:flex; flex-direction:column; gap:8px;}
  form{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:32px; display:flex; flex-direction:column; gap:18px;}
  .field label{display:block; font-family:var(--mono); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:7px;}
  .field input, .field select, .field textarea{
    width:100%; border:1px solid var(--line); border-radius:var(--radius); padding:11px 12px;
    font-family:var(--body); font-size:14.5px; background:var(--bg); color:var(--ink);
  }
  .field textarea{resize:vertical; min-height:100px;}
  .field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--accent); outline-offset:1px; background:var(--white);}
  .consent{display:flex; gap:10px; align-items:flex-start; font-size:13px; color:var(--ink-soft);}
  .consent input{margin-top:3px;}
  .form-status{font-family:var(--mono); font-size:13px; color:var(--accent); display:none;}

  /* Footer */
  footer{border-top:1px solid var(--line); padding:40px 0;}
  .footer-grid{display:flex; justify-content:space-between; align-items:flex-start; gap:24px; flex-wrap:wrap;}
  .footer-disclaimer{font-size:12.5px; color:var(--muted); max-width:560px;}
  .footer-brand{font-family:var(--display); font-weight:700; font-size:16px; margin-bottom:8px;}
  .footer-rights{font-family:var(--mono); font-size:11.5px; color:var(--muted); margin-top:8px;}

  @media (max-width:860px){
    .hero-grid, .focus-grid, .contact-grid{grid-template-columns:1fr;}
    .cards{grid-template-columns:1fr;}
    .navlinks{display:none;}
    .hero h1{font-size:32px;}
    .hero{padding:64px 0 56px;}
    .section{padding:56px 0;}
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition:none !important;}
  }

/* --- Catalog / product / COA additions --- */
.breadcrumb{font-family:var(--mono); font-size:12px; color:var(--muted); margin-bottom:24px;}
.breadcrumb a{color:var(--accent);}
.breadcrumb span{margin:0 6px;}

.page-hero{padding:56px 0 40px; border-bottom:1px solid var(--line);}
.page-hero h1{font-family:var(--display); font-size:34px; font-weight:600; letter-spacing:-0.01em; margin:14px 0 12px;}
.page-hero p{color:var(--ink-soft); font-size:16px; max-width:640px;}

.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin:32px 0;}
.filter-tag{
  font-family:var(--mono); font-size:12px; padding:8px 14px; border:1px solid var(--line);
  border-radius:var(--radius); background:var(--white); color:var(--ink-soft); cursor:pointer;
}
.filter-tag.active{border-color:var(--accent); color:var(--accent); background:var(--accent-soft);}

.product-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.product-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; display:flex; flex-direction:column; gap:10px; transition:border-color .15s;
}
.product-card:hover{border-color:var(--accent);}
.product-card .pcode{font-family:var(--mono); font-size:11px; color:var(--accent); letter-spacing:0.06em;}
.product-card h3{font-family:var(--display); font-size:17px; font-weight:600;}
.product-card .ptag{font-family:var(--mono); font-size:10.5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.05em;}
.product-card .pmeta{font-size:13px; color:var(--ink-soft); display:flex; justify-content:space-between; margin-top:4px; border-top:1px solid var(--line); padding-top:10px;}
.product-card a.card-link{font-family:var(--mono); font-size:12px; color:var(--accent); margin-top:6px;}

.molecule-chip{
  width:44px; height:44px; border-radius:50%; border:1px solid var(--accent); display:flex;
  align-items:center; justify-content:center; background:var(--accent-soft); flex-shrink:0;
}

.product-detail-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:start;}
.spec-table{width:100%; border-collapse:collapse; margin-top:8px;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table td{padding:12px 0; font-size:14.5px;}
.spec-table td:first-child{color:var(--ink-soft); font-family:var(--mono); font-size:12.5px; width:44%;}
.spec-table td:last-child{color:var(--ink); font-weight:500;}

.badge-sample{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:11px;
  letter-spacing:0.06em; text-transform:uppercase; color:var(--notice); background:var(--notice-bg);
  border:1px solid var(--notice-line); padding:5px 10px; border-radius:var(--radius);
}
.badge-sample::before{content:'!'; font-weight:700;}

.coa-box{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:28px; margin-top:16px;
  position:relative; overflow:hidden;
}
.coa-box::before{
  content:'VOORBEELD'; position:absolute; top:18px; right:-34px; transform:rotate(35deg);
  background:var(--notice); color:var(--white); font-family:var(--mono); font-size:11px;
  letter-spacing:0.08em; padding:4px 40px; opacity:0.9;
}
.coa-head{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:18px; padding-right:40px;}
.coa-head h4{font-family:var(--display); font-size:16px; font-weight:600;}
.coa-head .coa-id{font-family:var(--mono); font-size:11.5px; color:var(--muted);}
.coa-table{width:100%; border-collapse:collapse; font-size:13.5px;}
.coa-table th{
  text-align:left; font-family:var(--mono); font-size:10.5px; text-transform:uppercase; letter-spacing:0.05em;
  color:var(--ink-soft); border-bottom:1px solid var(--line); padding:8px 6px;
}
.coa-table td{padding:9px 6px; border-bottom:1px solid var(--bg-alt);}
.coa-table td.pass{color:var(--accent); font-family:var(--mono); font-weight:600;}
.coa-footnote{font-size:12px; color:var(--muted); margin-top:14px; line-height:1.5;}

.product-nav{display:flex; justify-content:space-between; margin-top:48px; padding-top:24px; border-top:1px solid var(--line);}
.product-nav a{font-family:var(--mono); font-size:13px; color:var(--accent);}

@media (max-width:860px){
  .product-grid{grid-template-columns:1fr 1fr;}
  .product-detail-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .product-grid{grid-template-columns:1fr;}
}

/* --- Why-us / How it works / Entity card --- */
.why-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:12px;}
.why-item{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:26px;}
.why-item .num{font-family:var(--mono); font-size:11px; color:var(--accent); letter-spacing:0.08em;}
.why-item h3{font-family:var(--display); font-size:18px; font-weight:600; margin:10px 0 8px;}
.why-item p{color:var(--ink-soft); font-size:14px;}

.steps-row{display:grid; grid-template-columns:repeat(3,1fr); gap:0; margin-top:16px; position:relative;}
.step{padding:0 20px; position:relative;}
.step:not(:first-child)::before{content:''; position:absolute; left:0; top:20px; width:1px; height:calc(100% - 20px); background:var(--line);}
.step .stepnum{
  font-family:var(--display); font-weight:700; font-size:22px; color:var(--accent);
  width:44px; height:44px; border:1px solid var(--accent); border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
}
.step h3{font-family:var(--display); font-size:17px; font-weight:600; margin-bottom:8px;}
.step p{color:var(--ink-soft); font-size:14px;}

.entity-card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:32px; margin-top:16px;}
.entity-card .eq{font-family:var(--display); font-size:19px; font-weight:600; margin-bottom:18px; line-height:1.4;}
.entity-table{width:100%; border-collapse:collapse;}
.entity-table tr{border-bottom:1px solid var(--line);}
.entity-table td{padding:11px 4px; font-size:13.5px;}
.entity-table td:first-child{font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); width:38%;}
.entity-table td.pending{color:var(--muted); font-style:italic;}

@media (max-width:860px){
  .why-grid{grid-template-columns:1fr;}
  .steps-row{grid-template-columns:1fr; gap:28px;}
  .step:not(:first-child)::before{display:none;}
}