:root{
    --ink:#142238; --ink-soft:#4A5871; --paper:#FBF9F4; --surface:#F1ECDF;
    --surface-2:#EAE3D2; --line:#E1DACB; --accent:#AD7B3D; --accent-strong:#8C5F26;
    --on-accent:#FFFFFF; --shadow:rgba(20,34,56,0.10);
    --header-h:76px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --ink:#F3EFE4; --ink-soft:#B9C2D3; --paper:#0D1524; --surface:#15203A;
      --surface-2:#1B2A4A; --line:#283358; --accent:#D8A45E; --accent-strong:#E8BB7C;
      --on-accent:#12213A; --shadow:rgba(0,0,0,0.45);
    }
  }
  :root[data-theme="dark"]{
    --ink:#F3EFE4; --ink-soft:#B9C2D3; --paper:#0D1524; --surface:#15203A;
    --surface-2:#1B2A4A; --line:#283358; --accent:#D8A45E; --accent-strong:#E8BB7C;
    --on-accent:#12213A; --shadow:rgba(0,0,0,0.45);
  }

  *{box-sizing:border-box;}
  body{
    background:var(--paper); color:var(--ink);
    font-family:'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height:1.55;
  }
  h1,h2,h3,.serif{
    font-family:'Fraunces', Georgia, 'Times New Roman', serif;
    text-wrap:balance; font-weight:600; color:var(--ink); letter-spacing:-0.01em;
  }
  h1{font-size:clamp(2.1rem,5vw,3.6rem); line-height:1.08; font-weight:700;}
  h2{font-size:clamp(1.5rem,3.2vw,2.2rem); line-height:1.15;}
  h3{font-size:1.15rem; line-height:1.3;}
  p{margin:0;}
  a{color:inherit;}
  img{max-width:100%; display:block;}
  .eyebrow{
    text-transform:uppercase; letter-spacing:.14em; font-size:.72rem; font-weight:700;
    color:var(--accent-strong);
  }
  .wrap{max-width:960px; margin-inline:auto; padding-inline:max(16px, env(safe-area-inset-left,0px)) max(16px, env(safe-area-inset-right,0px));}
  .stack{display:flex; flex-direction:column; gap:1rem;}

  /* Header */
  header.site{
    position:sticky; top:env(safe-area-inset-top,0px); z-index:40;
    background:color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-row{
    max-width:1100px; margin-inline:auto; padding-inline:16px;
    height:var(--header-h); display:flex; align-items:center; justify-content:space-between; gap:1rem;
  }
  .brand{display:flex; align-items:center; gap:.65rem; text-decoration:none; flex-shrink:0;}
  .brand img{height:34px; width:auto;}
  .brand-text{display:flex; flex-direction:column; line-height:1.15;}
  .brand-text strong{font-family:'Fraunces',serif; font-size:1.02rem; font-weight:700;}
  .brand-text span{font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft);}
  nav.primary{display:flex; align-items:center; gap:1.6rem;}
  nav.primary a{
    font-size:.92rem; font-weight:600; text-decoration:none; color:var(--ink-soft);
    padding-block:.3rem; border-bottom:2px solid transparent; white-space:nowrap;
  }
  nav.primary a:hover, nav.primary a[aria-current="page"]{color:var(--ink); border-color:var(--accent);}
  .header-actions{display:flex; align-items:center; gap:.75rem;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
    font-weight:700; font-size:.92rem; text-decoration:none; border-radius:3px;
    padding:.75rem 1.3rem; border:1px solid transparent; cursor:pointer; white-space:nowrap;
    transition:transform .12s ease, background .12s ease, border-color .12s ease;
  }
  .btn:active{transform:translateY(1px);}
  .btn-accent{background:var(--accent); color:var(--on-accent); border-color:var(--accent);}
  .btn-accent:hover{background:var(--accent-strong); border-color:var(--accent-strong);}
  .btn-outline{background:transparent; color:var(--ink); border-color:var(--line);}
  .btn-outline:hover{border-color:var(--ink-soft);}
  .btn-sm{padding:.55rem 1rem; font-size:.85rem;}
  .menu-toggle{
    display:none; background:none; border:1px solid var(--line); border-radius:3px;
    width:42px; height:42px; align-items:center; justify-content:center; cursor:pointer; color:var(--ink);
  }
  .mobile-panel{display:none;}

  @media (max-width: 880px){
    nav.primary{display:none;}
    .menu-toggle{display:inline-flex;}
    .header-actions .btn-book-label{display:none;}
    body.menu-open .mobile-panel{
      display:flex; flex-direction:column; gap:.2rem; padding:.75rem 16px 1.25rem;
      border-bottom:1px solid var(--line); background:var(--paper);
    }
    .mobile-panel a{
      padding:.7rem .2rem; text-decoration:none; color:var(--ink); font-weight:600;
      border-bottom:1px solid var(--line);
    }
  }

  /* Sections */
  main{display:block;}
  section.view{padding-block:3.2rem 3.6rem;}
  .hero{padding-block:3.6rem 3rem; background:var(--surface); border-bottom:1px solid var(--line);}
  .hero .wrap{max-width:760px;}
  .hero h1{margin-top:.6rem;}
  .hero .lede{margin-top:1.1rem; font-size:1.15rem; color:var(--ink-soft); max-width:56ch;}
  .hero-ctas{display:flex; flex-wrap:wrap; gap:.9rem; margin-top:1.6rem; align-items:center;}
  .hero-split .wrap{max-width:1020px; display:grid; grid-template-columns:1.2fr .8fr; gap:2.5rem; align-items:center;}
  .hero-photo{background:var(--accent); padding:10px; border-radius:6px; max-width:320px;}
  .hero-photo img{display:block; width:100%; height:auto; aspect-ratio:1/1; object-fit:cover; border-radius:3px;}
  .hero-photo-caption{margin:.6rem 0 0; text-align:center; font-size:.8rem; font-weight:600; letter-spacing:.03em; color:var(--on-accent);}

  /* Infographic embed */
  .infographic-frame{margin-top:1.75rem; border:1px solid var(--line); border-radius:4px; overflow:hidden; background:#fff; box-shadow:0 8px 24px var(--shadow);}
  .infographic-scroll{overflow-x:auto;}
  .infographic-scroll img{display:block; min-width:640px; width:100%; height:auto;}
  .infographic-caption{margin:0; padding:.85rem 1.1rem; font-size:.82rem; color:var(--ink-soft); background:var(--surface); border-top:1px solid var(--line);}
  .cert-card{margin-top:1.25rem; max-width:340px; border:1px solid var(--line); border-radius:4px; overflow:hidden; background:#fff; box-shadow:0 8px 24px var(--shadow);}
  .cert-card img{display:block; width:100%; height:auto;}
  @media (max-width:760px){
    .hero-split .wrap{grid-template-columns:1fr; gap:1.5rem;}
    .hero-photo{max-width:220px; justify-self:start;}
  }
  .quote-line{font-family:'Fraunces',serif; font-style:italic; font-size:1rem; color:var(--ink-soft); margin-top:1.6rem;}

  section.band{border-bottom:1px solid var(--line); margin-top:1.75rem;}
  section.band.alt{background:var(--surface);}
  .section-head{max-width:60ch; margin-bottom:2rem;}
  .section-head h2{margin-top:.5rem;}
  .section-head p{margin-top:.8rem; color:var(--ink-soft);}

  /* Pillars grid */
  .pillars{display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem;}
  @media (max-width:760px){.pillars{grid-template-columns:1fr;}}
  .pillar{
    border:1px solid var(--line); border-radius:4px; overflow:hidden;
    display:flex; flex-direction:column; background:var(--paper);
  }
  .pillar .tag{font-size:.7rem; text-transform:uppercase; letter-spacing:.1em; color:var(--accent-strong); font-weight:700;}
  .pillar p{color:var(--ink-soft); font-size:.94rem;}
  .pillar .go{margin-top:auto; font-weight:700; font-size:.88rem; text-decoration:none; color:var(--ink);}
  .pillar .go:hover{color:var(--accent-strong);}
  .pillar-body{padding:1.35rem 1.5rem 1.5rem; display:flex; flex-direction:column; gap:.7rem; flex:1;}
  .pillar-visual{aspect-ratio:16/10; background:var(--ink); display:block;}
  .pillar-visual svg{width:100%; height:100%; display:block;}
  .viz-line{stroke:var(--accent); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
  .viz-thin{stroke:var(--accent); fill:none; stroke-width:1.5; stroke-linecap:round;}
  .viz-dot{fill:var(--accent);}
  .viz-dim{stroke:color-mix(in srgb, var(--paper) 30%, transparent); fill:none; stroke-width:1.5;}

  /* Results list */
  .results{display:grid; grid-template-columns:1fr 1fr; gap:1rem 2rem;}
  @media (max-width:640px){.results{grid-template-columns:1fr;}}
  .result{display:flex; gap:.8rem; align-items:flex-start;}
  .result .mark{
    flex-shrink:0; width:26px; height:26px; border-radius:50%; background:var(--surface-2);
    display:flex; align-items:center; justify-content:center; color:var(--accent-strong); margin-top:.1rem;
  }
  .result strong{display:block; font-size:.98rem;}
  .result span{color:var(--ink-soft); font-size:.9rem;}

  /* Proof strip */
  .proof{display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem;}
  @media (max-width:760px){.proof{grid-template-columns:1fr;}}
  .proof .stat{border-left:2px solid var(--accent); padding-left:1rem;}
  .proof .stat b{font-family:'Fraunces',serif; font-size:1.9rem; display:block;}
  .proof .stat > span{color:var(--ink-soft); font-size:.85rem;}
  .press-list{display:flex; flex-wrap:wrap; gap:.6rem 1.4rem; margin-top:1.4rem; color:var(--ink-soft); font-size:.85rem;}
  .press-list span{white-space:nowrap;}

  /* Video card (links out to YouTube — artifact sandbox blocks embedded players) */
  .video-card{
    display:block; border-radius:4px; overflow:hidden; border:1px solid var(--line);
    text-decoration:none; color:inherit; box-shadow:0 8px 24px var(--shadow);
    transition:transform .15s ease;
  }
  .video-card:hover{transform:translateY(-2px);}
  .video-card .visual{
    aspect-ratio:16/9; display:flex; align-items:center; justify-content:center;
    background:
      radial-gradient(circle at 28% 24%, color-mix(in srgb, var(--accent) 40%, transparent) 0%, transparent 45%),
      var(--ink);
    position:relative;
  }
  .video-card .play{
    width:64px; height:64px; border-radius:50%; background:var(--accent); color:var(--on-accent);
    display:flex; align-items:center; justify-content:center; font-size:1.3rem; flex-shrink:0;
    box-shadow:0 4px 14px rgba(0,0,0,.35);
  }
  .video-card .meta{
    display:flex; align-items:center; justify-content:space-between; gap:1rem;
    padding:1rem 1.25rem; background:var(--paper);
  }
  .video-card .meta strong{display:block; font-size:.98rem;}
  .video-card .meta small{display:block; color:var(--ink-soft); font-size:.82rem; margin-top:.15rem; font-weight:400;}
  .video-card .ext{flex-shrink:0; color:var(--accent-strong); font-weight:700; font-size:.85rem; white-space:nowrap;}

  /* Embedded YouTube video */
  .video-embed{
    position:relative; width:100%; aspect-ratio:16/9; border-radius:4px; overflow:hidden;
    border:1px solid var(--line); box-shadow:0 8px 24px var(--shadow); background:var(--ink);
  }
  .video-embed iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}

  /* Process steps */
  .steps{display:flex; flex-direction:column; gap:1.1rem; counter-reset:step;}
  .step{display:flex; gap:1rem; align-items:flex-start; border-bottom:1px solid var(--line); padding-bottom:1.1rem;}
  .step:last-child{border-bottom:none; padding-bottom:0;}
  .step .num{
    counter-increment:step; font-family:'Fraunces',serif; font-weight:700; color:var(--accent-strong);
    font-size:1rem; flex-shrink:0; width:2.1rem;
  }
  .step .num::before{content: counter(step, decimal-leading-zero);}
  .step h3{margin-bottom:.25rem;}
  .step p{color:var(--ink-soft); font-size:.94rem;}

  /* Practical facts */
  .facts{display:grid; grid-template-columns:1fr 1fr; gap:1rem 2rem; margin-top:1.5rem;}
  @media (max-width:640px){.facts{grid-template-columns:1fr;}}
  .fact dt{font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); margin-bottom:.25rem;}
  .fact dd{margin:0; font-weight:600;}

  /* Duration options */
  .durations{display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem;}
  @media (max-width:700px){.durations{grid-template-columns:1fr;}}
  .duration{border:1px solid var(--line); border-radius:4px; padding:1.4rem; background:var(--paper);}
  .duration b{font-family:'Fraunces',serif; font-size:1.6rem; display:block;}
  .duration span{color:var(--ink-soft); font-size:.85rem;}

  blockquote.pull{
    font-family:'Fraunces',serif; font-style:italic; font-size:1.4rem; line-height:1.4;
    border-left:3px solid var(--accent); padding-left:1.3rem; margin:2rem 0; max-width:56ch;
  }
  blockquote.pull cite{display:block; font-style:normal; font-size:.8rem; color:var(--ink-soft); margin-top:.6rem;}

  /* FAQ */
  details.faq{border-bottom:1px solid var(--line); padding-block:1.1rem;}
  details.faq summary{
    cursor:pointer; font-weight:700; list-style:none; display:flex; justify-content:space-between; gap:1rem;
  }
  details.faq summary::-webkit-details-marker{display:none;}
  details.faq summary::after{content:"+"; font-family:'Fraunces',serif; font-size:1.3rem; color:var(--accent-strong); flex-shrink:0;}
  details.faq[open] summary::after{content:"–";}
  details.faq p{margin-top:.8rem; color:var(--ink-soft); font-size:.95rem; max-width:64ch;}

  /* Contact */
  .contact-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:2.5rem;}
  @media (max-width:760px){.contact-grid{grid-template-columns:1fr;}}
  .contact-card{border:1px solid var(--line); border-radius:4px; padding:1.6rem; background:var(--surface);}
  .contact-card dl{display:flex; flex-direction:column; gap:1rem; margin-top:1rem;}
  .contact-card dt{font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft);}
  .contact-card dd{margin:.15rem 0 0; font-weight:600;}
  .contact-card a{text-decoration:underline; text-decoration-color:var(--line);}

  /* CTA band */
  .cta-band{background:var(--ink); color:var(--paper); text-align:center;}
  :root[data-theme="dark"] .cta-band, .cta-band{background:var(--ink);}
  .cta-band h2{color:inherit; font-family:'Fraunces',serif;}
  .cta-band .wrap{max-width:640px; display:flex; flex-direction:column; align-items:center; gap:1.1rem;}
  .cta-band p{color:color-mix(in srgb, var(--paper) 75%, transparent);}
  .cta-band .btn-outline{border-color:color-mix(in srgb, var(--paper) 35%, transparent); color:var(--paper);}
  .cta-band .btn-outline:hover{border-color:var(--paper);}

  /* Lead-magnet banner (free guide download) */
  .lead-magnet .wrap{
    display:flex; align-items:center; justify-content:space-between; gap:2rem;
    background:var(--paper); border:1px solid var(--line); border-radius:6px;
    padding:1.8rem 2rem; box-shadow:0 8px 24px var(--shadow);
  }
  .lead-magnet .eyebrow{color:var(--accent-strong);}
  .lead-magnet h2{margin-top:.2rem; font-size:1.3rem;}
  .lead-magnet p{color:var(--ink-soft); max-width:52ch; margin-top:.4rem;}
  .lead-magnet .btn{flex-shrink:0;}
  @media (max-width:700px){
    .lead-magnet .wrap{flex-direction:column; align-items:flex-start; text-align:left; padding:1.5rem;}
    .lead-magnet .btn{width:100%; text-align:center;}
  }

  footer.site{border-top:1px solid var(--line); padding-block:2.5rem 5.5rem; background:var(--surface);}
  .footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:2rem;}
  @media (max-width:700px){.footer-grid{grid-template-columns:1fr; gap:1.6rem;}}
  .footer-grid h4{font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); margin-bottom:.8rem;}
  .footer-grid a{display:block; text-decoration:none; font-size:.92rem; padding-block:.25rem; color:var(--ink);}
  .footer-grid a:hover{color:var(--accent-strong);}
  .footer-brand{display:flex; align-items:center; gap:.6rem; margin-bottom:.9rem;}
  .footer-brand img{height:30px;}
  .footer-legal{
    max-width:1100px; margin:2.2rem auto 0; padding-inline:16px; padding-top:1.4rem; border-top:1px solid var(--line);
    font-size:.8rem; color:var(--ink-soft); display:flex; flex-wrap:wrap; gap:.5rem 1.2rem; justify-content:space-between;
  }

  /* Mobile sticky CTA */
  .mobile-cta{
    display:none; position:fixed; left:0; right:0; bottom:0; z-index:50;
    padding:.7rem 16px calc(.7rem + env(safe-area-inset-bottom,0px));
    background:color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter:blur(8px);
    border-top:1px solid var(--line);
  }
  .mobile-cta .btn{width:100%;}
  @media (max-width:640px){
    .mobile-cta{display:block;}
    section.view{padding-bottom:5.5rem;}
  }

  [hidden]{display:none !important;}
  :focus-visible{outline:2px solid var(--accent); outline-offset:2px;}

  /* i18n */
  html:not([lang="en"]) .i18n-en{display:none;}
  html[lang="en"] .i18n-nl{display:none;}
  .lang-switch{display:flex; border:1px solid var(--line); border-radius:20px; overflow:hidden; flex-shrink:0;}
  .lang-btn{background:none; border:none; padding:.4rem .7rem; font-size:.72rem; font-weight:700; letter-spacing:.03em; cursor:pointer; color:var(--ink-soft);}
  .lang-btn[aria-pressed="true"]{background:var(--accent); color:var(--on-accent);}