:root{
    --bg:        #FAF8F4;
    --surface:   #F1EEE6;
    --ink:       #1E2A33;
    --ink-muted: #5B6670;
    --accent:    #9C7A3C;
    --accent-deep:#7C5F2E;
    --line:      #DDD7C9;
    --max: 720px;
  }

  *{ box-sizing:border-box; }

  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation:none !important; transition:none !important; }
  }

  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }

  h1,h2{
    font-family:'Newsreader', Georgia, serif;
    font-weight:500;
    color:var(--ink);
    margin:0;
  }

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

  /* ---------- Floating nav ---------- */
  .nav-wrap{
    position:sticky;
    top:16px;
    z-index:50;
    display:flex;
    justify-content:center;
    padding:0 16px;
  }
  .nav{
    display:flex;
    align-items:center;
    gap:28px;
    background:rgba(250,248,244,0.82);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border:1px solid var(--line);
    border-radius:999px;
    padding:10px 22px;
    transition:box-shadow .25s ease, background .25s ease;
    flex-wrap:wrap;
    justify-content:center;
  }
  .nav.scrolled{
    box-shadow:0 8px 24px rgba(30,42,51,0.10);
    background:rgba(250,248,244,0.95);
  }
  .nav .brand{
    font-family:'Newsreader', serif;
    font-size:1.05rem;
    font-weight:500;
    color:var(--ink);
    text-decoration:none;
    margin-right:6px;
  }
  .nav a.link{
    color:var(--ink-muted);
    text-decoration:none;
    font-size:0.9rem;
    font-weight:500;
    white-space:nowrap;
    margin-left:14px; /* fallback for browsers without flexbox gap support */
  }
  .nav a.link:hover{ color:var(--accent-deep); }

  /* ---------- Layout shell ---------- */
  main{
    max-width:var(--max);
    margin:0 auto;
    padding:64px 24px 40px;
  }
  section{
    padding:56px 0;
    border-bottom:1px solid var(--line);
  }
  section:last-of-type{ border-bottom:none; }

  /* ---------- Hero ---------- */
  .hero{
    text-align:center;
    padding-top:24px;
  }
  .hero h1{
    font-size:2.3rem;
    font-weight:600;
    line-height:1.25;
    letter-spacing:0.2px;
    max-width:620px;
    margin:0 auto;
  }
  .hero-subtitle{
    font-weight:400;
    color:var(--ink-muted);
    font-size:1.02rem;
    max-width:520px;
    margin:14px auto 0;
  }

  .byline{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:20px;
    max-width:560px;
    margin:36px auto 0;
    text-align:left;
  }
  .byline img{
    flex:none;
    width:64px;
    height:64px;
    border-radius:50%;
    object-fit:cover;
    border:1px solid var(--line);
  }
  .byline-text p{ margin:0; }
  .byline-lead{
    font-family:'Newsreader', serif;
    font-size:1.05rem;
    color:var(--ink);
  }
  .byline-title{
    color:var(--accent-deep);
    font-size:0.85rem;
    font-weight:500;
    margin-top:3px;
  }
  .byline-blurb{
    color:var(--ink-muted);
    font-size:0.92rem;
    margin-top:8px;
  }
  .reveal-line{
    margin-top:14px;
    font-size:0.88rem;
    color:var(--ink-muted);
  }

  .reveal-email-btn{
    background:none;
    border:none;
    padding:0;
    font-family:inherit;
    font-size:inherit;
    color:var(--accent-deep);
    text-decoration:underline;
    cursor:pointer;
  }
  .reveal-email-btn:hover{ color:var(--accent); }
  a.revealed-email{
    color:var(--accent-deep);
    font-weight:500;
  }

  @media (max-width:480px){
    .byline{
      flex-direction:column;
      text-align:center;
      gap:14px;
    }
  }

  /* ---------- Section headings ---------- */
  .section-head h2{
    font-size:1.5rem;
  }
  .section-head p.lede{
    color:var(--ink-muted);
    margin-top:10px;
    max-width:560px;
  }

  /* ---------- Standalone page header (Blogs, Partner Links) ---------- */
  .page-head{
    padding-top:12px;
  }
  .page-head h1{
    font-size:1.9rem;
  }
  .page-head .lede{
    color:var(--ink-muted);
    margin-top:12px;
    max-width:560px;
  }

  /* ---------- DCR / Calculator ---------- */
  .cta-row{
    margin-top:26px;
    display:flex;
    align-items:center;
    gap:16px;
    flex-wrap:wrap;
  }
  .btn{
    display:inline-block;
    background:var(--ink);
    color:var(--bg);
    text-decoration:none;
    padding:13px 26px;
    border-radius:8px;
    font-weight:500;
    font-size:0.95rem;
    transition:background .2s ease;
  }
  .btn:hover{ background:var(--accent-deep); }
  .btn-note{
    color:var(--ink-muted);
    font-size:0.85rem;
  }

  /* ---------- Interactive calculator ---------- */
  .calc-card{
    margin-top:32px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:14px;
    padding:28px;
  }
  .calc-title{
    margin-bottom:22px;
  }
  .calc-title h3{
    font-family:'Newsreader', serif;
    font-size:1.3rem;
    font-weight:500;
    color:var(--ink);
    margin:0 0 8px;
  }
  .calc-subtitle{
    font-style:italic;
    font-size:0.83rem;
    color:var(--ink-muted);
    margin:0;
    max-width:520px;
  }

  .calc-toggle{
    display:inline-flex;
    flex-wrap:wrap;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:18px;
    padding:4px;
    margin-bottom:28px;
    gap:4px;
  }
  .toggle-btn{
    border:none;
    background:transparent;
    padding:8px 16px;
    border-radius:14px;
    font-family:'Inter', sans-serif;
    font-size:0.85rem;
    font-weight:500;
    color:var(--ink-muted);
    cursor:pointer;
    line-height:1.3;
    text-align:center;
    max-width:280px;
  }
  .toggle-btn.active{
    background:var(--ink);
    color:var(--bg);
  }
  .calc-group{
    padding-top:22px;
    border-top:1px solid var(--line);
  }
  .calc-group:first-of-type{
    padding-top:0;
    border-top:none;
  }
  .calc-group + .calc-group{
    margin-top:22px;
  }
  .calc-group h3{
    font-family:'Inter', sans-serif;
    font-size:0.9rem;
    font-weight:600;
    color:var(--ink);
    margin:0 0 16px;
  }
  .hint-inline{
    font-weight:400;
    font-style:italic;
    color:var(--ink-muted);
    font-size:0.82rem;
  }
  .stat em.hint{
    font-style:italic;
    font-size:0.72rem;
    color:var(--ink-muted);
    margin-top:2px;
  }
  .field em.hint{
    font-style:italic;
    font-size:0.76rem;
    color:var(--ink-muted);
  }
  .field em.hint.risk{
    color:#963A20;
  }
  .calc-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
  .field{
    display:flex;
    flex-direction:column;
    font-size:0.85rem;
    color:var(--ink-muted);
    gap:6px;
  }
  .field input, .field select{
    font-family:'Inter', sans-serif;
    font-size:0.95rem;
    color:var(--ink);
    padding:10px 12px;
    border:1px solid var(--line);
    border-radius:7px;
    background:#fff;
  }
  .field input:focus, .field select:focus{
    outline:none;
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(156,122,60,0.15);
  }
  .reset-link{
    font-size:0.78rem;
    color:var(--accent-deep);
    text-decoration:none;
    align-self:flex-start;
  }
  .reset-link:hover{ text-decoration:underline; }

  .calc-results{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
    margin-top:20px;
  }
  .stat{
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:8px;
    padding:12px 14px;
    display:flex;
    flex-direction:column;
    gap:4px;
  }
  .stat span{
    font-size:0.78rem;
    color:var(--ink-muted);
  }
  .stat strong{
    font-family:'Newsreader', serif;
    font-size:1.25rem;
    font-weight:500;
    color:var(--ink);
  }
  .stat-dcr strong.good{ color:#3F7A4E; }
  .stat-dcr strong.low{ color:#B4472A; }

  .dcr-note{
    margin:14px 2px 0;
    font-size:0.82rem;
    color:var(--ink-muted);
  }
  .dcr-explain{
    margin:8px 2px 0;
    font-size:0.85rem;
    font-weight:500;
    padding:10px 14px;
    border-radius:7px;
  }
  .dcr-explain.warn{
    background:#FBEDE8;
    color:#963A20;
  }
  .dcr-explain.ok{
    background:#EAF3EC;
    color:#33633F;
  }
  .calc-disclaimer{
    margin:22px 2px 0;
    font-size:0.78rem;
    color:var(--ink-muted);
    font-style:italic;
  }

  @media (max-width:560px){
    .calc-grid, .calc-results{ grid-template-columns:1fr; }
    .calc-card{ padding:22px 18px; }
  }

  .video-block{
    margin-top:40px;
  }
  .video-block h3{
    font-family:'Inter', sans-serif;
    font-size:0.95rem;
    font-weight:600;
    color:var(--ink-muted);
    margin:0 0 14px;
  }
  .video-frame{
    position:relative;
    width:100%;
    padding-top:56.25%;
    border-radius:10px;
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--surface);
  }
  .video-frame iframe{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    border:0;
  }

  /* ---------- Blogs (placeholder) ---------- */
  .blog-placeholder{
    margin-top:22px;
    padding:22px 24px;
    background:var(--surface);
    border-radius:10px;
    color:var(--ink-muted);
    font-size:0.95rem;
  }

  /* ---------- Blog index list ---------- */
  .post-list{
    list-style:none;
    margin:26px 0 0;
    padding:0;
  }
  .post-list li{
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .post-list li:first-child{ padding-top:0; }
  .post-list li:last-child{ border-bottom:none; }
  .post-title{
    font-family:'Newsreader', serif;
    font-size:1.15rem;
    font-weight:500;
    color:var(--ink);
    text-decoration:none;
  }
  .post-title:hover{ color:var(--accent-deep); }
  .post-date{
    display:block;
    color:var(--ink-muted);
    font-size:0.78rem;
    margin-top:4px;
  }
  .post-excerpt{
    color:var(--ink-muted);
    font-size:0.92rem;
    margin:8px 0 0;
    max-width:560px;
  }

  /* ---------- Individual blog post ---------- */
  .post{
    max-width:640px;
    margin:0 auto;
  }
  .back-link{
    display:inline-block;
    font-size:0.85rem;
    color:var(--ink-muted);
    text-decoration:none;
    margin-bottom:22px;
  }
  .back-link:hover{ color:var(--accent-deep); }
  .post h1{
    font-size:1.9rem;
    line-height:1.3;
  }
  .post-meta{
    color:var(--ink-muted);
    font-size:0.82rem;
    margin:10px 0 32px;
  }
  .post h2{
    font-size:1.25rem;
    margin:36px 0 12px;
  }
  .post h3{
    font-family:'Inter', sans-serif;
    font-size:0.95rem;
    font-weight:600;
    color:var(--accent-deep);
    margin:22px 0 8px;
  }
  .post p{
    margin:0 0 16px;
    color:var(--ink);
  }
  .post ul, .post ol{
    margin:0 0 16px;
    padding-left:22px;
  }
  .post li{
    margin-bottom:8px;
  }
  .post ul ul, .post ol ul, .post ul ol, .post ol ol{
    margin-top:8px;
    margin-bottom:0;
  }

  /* ---------- Partner links ---------- */
  .partner-list{
    list-style:none;
    margin:26px 0 0;
    padding:0;
    display:grid;
    gap:10px;
  }
  .partner-list li{
    border:1px solid var(--line);
    border-radius:8px;
    padding:14px 18px;
  }
  .partner-list a{
    text-decoration:none;
    font-weight:500;
    color:var(--ink);
  }
  .partner-list a:hover{ color:var(--accent-deep); }
  .partner-list .desc{
    display:block;
    color:var(--ink-muted);
    font-size:0.88rem;
    margin-top:3px;
  }

  /* ---------- Footer ---------- */
  footer{
    text-align:center;
    padding:36px 24px 60px;
    color:var(--ink-muted);
    font-size:0.85rem;
  }

  @media (max-width:520px){
    .hero h1{ font-size:1.7rem; }
    .nav{ gap:16px; padding:10px 16px; }
    .nav a.link{ font-size:0.82rem; }
    section{ padding:44px 0; }
  }