/* ============================= TOKENS ============================= */
  :root{
    --paper:#FBF3E9;
    --paper-raised:#F5E7D8;
    --paper-sunken:#EEDCC4;
    --ink:#33121B;
    --ink-soft:#6E4652;
    --ink-faint:#9B7B84;
    --accent:#7E1F2C;
    --accent-strong:#601520;
    --accent-ink:#FFFAF6;
    --rose:#BD8088;
    --rose-soft:#EFD9DA;
    --gold:#A3812F;
    --gold-soft:#EADFBB;
    --border:#E4D2B8;
    --focus:#1E5FBF;
    --success:#2F7A4F;
    --success-soft:#DCEEE1;
    --danger:#A3261E;
    --danger-soft:#F6DEDC;
    --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body:'Karla', 'Segoe UI', Arial, sans-serif;
    --shadow-soft: 0 1px 2px rgba(51,18,27,.08), 0 8px 24px -12px rgba(51,18,27,.22);
    --shadow-card: 0 1px 1px rgba(51,18,27,.06), 0 20px 40px -18px rgba(51,18,27,.32);
    --radius: 14px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --paper:#221016;
      --paper-raised:#2E1720;
      --paper-sunken:#180B0F;
      --ink:#F5E9E4;
      --ink-soft:#DCB8BF;
      --ink-faint:#A6828C;
      --accent:#E38A93;
      --accent-strong:#EFA3AA;
      --accent-ink:#2A0A0F;
      --rose:#D9A6AC;
      --rose-soft:#3E2229;
      --gold:#DABD73;
      --gold-soft:#3B2E17;
      --border:#43252E;
      --focus:#8AB6FF;
      --success:#7FD3A3;
      --success-soft:#153426;
      --danger:#FF8A80;
      --danger-soft:#3A1717;
      --shadow-soft: 0 1px 2px rgba(0,0,0,.35), 0 8px 24px -12px rgba(0,0,0,.55);
      --shadow-card: 0 1px 1px rgba(0,0,0,.35), 0 20px 40px -18px rgba(0,0,0,.65);
    }
  }
  :root[data-theme="dark"]{
    --paper:#221016;
    --paper-raised:#2E1720;
    --paper-sunken:#180B0F;
    --ink:#F5E9E4;
    --ink-soft:#DCB8BF;
    --ink-faint:#A6828C;
    --accent:#E38A93;
    --accent-strong:#EFA3AA;
    --accent-ink:#2A0A0F;
    --rose:#D9A6AC;
    --rose-soft:#3E2229;
    --gold:#DABD73;
    --gold-soft:#3B2E17;
    --border:#43252E;
    --focus:#8AB6FF;
    --success:#7FD3A3;
    --success-soft:#153426;
    --danger:#FF8A80;
    --danger-soft:#3A1717;
    --shadow-soft: 0 1px 2px rgba(0,0,0,.35), 0 8px 24px -12px rgba(0,0,0,.55);
    --shadow-card: 0 1px 1px rgba(0,0,0,.35), 0 20px 40px -18px rgba(0,0,0,.65);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }
  body{
    margin:0; background:var(--paper); color:var(--ink);
    font-family:var(--font-body); line-height:1.55; font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%; display:block;}
  a{color:inherit;}
  h1,h2,h3,h4{font-family:var(--font-display); color:var(--ink); text-wrap:balance; margin:0 0 .5em; font-weight:600;}
  p{margin:0 0 1em; color:var(--ink-soft); max-width:65ch;}
  .tabnum{font-variant-numeric: tabular-nums;}
  [hidden]{display:none!important;}

  :focus-visible{outline:3px solid var(--focus); outline-offset:2px; border-radius:4px;}
  button, input, select, textarea{font-family:inherit; font-size:1em; color:inherit;}
  button{cursor:pointer;}

  .wrap{max-width:1160px; margin:0 auto; padding:0 24px;}
  .wrap-narrow{max-width:780px; margin:0 auto; padding:0 24px;}

  .eyebrow{
    font-family:var(--font-body); font-weight:700; text-transform:uppercase;
    letter-spacing:.12em; font-size:.76rem; color:var(--gold);
    display:flex; align-items:center; gap:.6em; margin-bottom:.9em;
  }
  .eyebrow::before{content:""; width:22px; height:2px; background:var(--gold); display:inline-block;}

  .rule{border:none; border-top:1px solid var(--border); margin:0;}
  .rule-gold{
    border:none; height:10px; margin:0 auto; width:100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='10' viewBox='0 0 240 10'%3E%3Cpath d='M0 5 Q 30 -3, 60 5 T 120 5 T 180 5 T 240 5' fill='none' stroke='%23A3812F' stroke-width='1.4' opacity='.55'/%3E%3C/svg%3E") repeat-x center;
    background-size: 240px 10px;
    opacity:.8;
  }

  /* ============================= MOTION SYSTEM (scroll reveal, tilt, transitions) ============================= */
  .reveal{opacity:0; transform: translateY(20px); transition: opacity .55s cubic-bezier(.16,.8,.24,1), transform .55s cubic-bezier(.16,.8,.24,1);}
  .reveal.in-view{opacity:1; transform:none;}
  .reveal-scale{opacity:0; transform: scale(.94); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.9,.3,1.1);}
  .reveal-scale.in-view{opacity:1; transform:scale(1);}
  @media (prefers-reduced-motion: reduce){
    .reveal, .reveal-scale{opacity:1!important; transform:none!important; transition:none!important;}
  }

  .tilt-wrap{perspective:1400px;}
  .tilt-el{
    position:relative; transform-style:preserve-3d; will-change:transform;
    transition: transform .5s cubic-bezier(.16,.8,.24,1), box-shadow .5s ease;
  }
  .tilt-el .glare{
    position:absolute; inset:0; border-radius:inherit; pointer-events:none; opacity:0;
    background:linear-gradient(115deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,0) 42%);
    transition:opacity .4s ease; mix-blend-mode:soft-light;
  }
  .tilt-el:hover .glare{opacity:1;}
  @media (prefers-reduced-motion: reduce){ .tilt-el{transition:none;} }
  @media (hover:none){ .tilt-el{transform:none!important;} .tilt-el .glare{display:none;} }

  #heroCanvas{position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.55; pointer-events:none;}

  #main{transition: opacity .2s ease; opacity:1;}
  #main.fading{opacity:0;}
  @media (prefers-reduced-motion: reduce){ #main{transition:none;} }

  header.site{transition: box-shadow .3s ease, padding .3s ease;}
  header.site.is-scrolled{box-shadow:0 6px 24px -14px rgba(51,18,27,.35);}
  header.site.is-scrolled .nav-row{padding:9px 0;}

  .btn{transition: transform .18s cubic-bezier(.2,.8,.3,1.2), box-shadow .18s ease, background .15s;}
  .btn:hover{transform:translateY(-2px);}
  .btn-primary:hover{box-shadow:0 14px 28px -12px rgba(126,31,44,.55);}
  @media (prefers-reduced-motion: reduce){ .btn{transition:background .15s;} .btn:hover{transform:none;} }

  .lift-card{transition: transform .3s cubic-bezier(.16,.8,.24,1), box-shadow .3s ease, border-color .3s ease;}
  .lift-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-card); border-color:var(--rose);}
  @media (prefers-reduced-motion: reduce){ .lift-card:hover{transform:none;} }

  .badge-float{transition: transform .4s cubic-bezier(.16,.8,.24,1);}
  .cover-stage:hover .badge-float.b1{transform:rotate(3deg) translate(4px,-4px);}
  .cover-stage:hover .badge-float.b2{transform:rotate(3deg) translate(-4px,4px);}

  /* ============================= HEADER / NAV ============================= */
  header.site{
    position:sticky; top:0; z-index:40; background:color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter:saturate(140%) blur(8px);
    border-bottom:1px solid var(--border);
  }
  .nav-row{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0;}
  .brand{display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.15rem; text-decoration:none; letter-spacing:.01em;}
  .brand .brand-mark{
    width:34px; height:34px; border-radius:9px; background:var(--ink); color:var(--paper);
    display:flex; align-items:center; justify-content:center; font-size:.85rem; font-weight:700; font-family:var(--font-display);
    flex:none;
  }
  .brand small{display:block; font-family:var(--font-body); font-weight:600; font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold);}
  .brand-logo{background:#fff; padding:8px 18px; border-radius:12px; box-shadow:0 1px 3px rgba(51,18,27,.12); transition: padding .3s ease;}
  .brand-logo img{height:52px; width:auto; display:block; transition: height .3s ease;}
  header.site.is-scrolled .brand-logo{padding:6px 14px;}
  header.site.is-scrolled .brand-logo img{height:40px;}
  @media (max-width:560px){ .brand-logo{padding:6px 12px;} .brand-logo img{height:36px;} }

  nav.primary{display:flex; gap:4px; align-items:center;}
  nav.primary a{
    padding:9px 14px; border-radius:999px; text-decoration:none; font-weight:600; font-size:.92rem;
    color:var(--ink-soft); transition:background .15s, color .15s;
  }
  nav.primary a:hover{background:var(--paper-raised); color:var(--ink);}
  nav.primary a[aria-current="page"]{background:var(--ink); color:var(--paper);}

  .nav-ctas{display:flex; gap:10px; align-items:center;}
  .hamburger{display:none; background:none; border:1px solid var(--border); border-radius:10px; width:42px; height:42px; align-items:center; justify-content:center;}
  .hamburger span, .hamburger::before, .hamburger::after{display:none;}
  .hamburger svg{width:20px; height:20px;}

  .mobile-nav{display:none; flex-direction:column; gap:2px; padding:8px 0 16px;}
  .mobile-nav a{padding:12px 6px; border-radius:10px; text-decoration:none; color:var(--ink); font-weight:600; border-bottom:1px solid var(--border);}
  .mobile-nav a[aria-current="page"]{color:var(--accent);}

  @media (max-width: 880px){
    nav.primary{display:none;}
    .nav-ctas .btn-secondary{display:none;}
    .hamburger{display:flex;}
  }
  @media (max-width: 880px){
    body.nav-open .mobile-nav{display:flex;}
  }

  /* ============================= BUTTONS ============================= */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:.5em;
    padding:13px 22px; border-radius:999px; font-weight:700; font-size:.95rem;
    text-decoration:none; border:2px solid transparent; transition:transform .12s ease, box-shadow .12s ease, background .15s;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(1px);}
  .btn-primary{background:var(--accent); color:var(--accent-ink); box-shadow:var(--shadow-soft);}
  .btn-primary:hover{background:var(--accent-strong);}
  .btn-secondary{background:transparent; color:var(--ink); border-color:var(--ink);}
  .btn-secondary:hover{background:var(--ink); color:var(--paper);}
  .btn-ghost{background:var(--paper-raised); color:var(--ink); border-color:var(--border);}
  .btn-ghost:hover{background:var(--paper-sunken);}
  .btn-block{width:100%;}
  .btn[disabled], .btn.is-disabled{opacity:.55; cursor:not-allowed;}
  .btn-sm{padding:8px 14px; font-size:.82rem;}

  /* ============================= PLACEHOLDER FIELD ============================= */
  .field-editable{
    position:relative; border:1.5px dashed var(--gold); border-radius:10px;
    background:var(--gold-soft); padding:10px 14px; display:inline-flex; flex-direction:column; gap:2px;
  }
  .field-editable .tag{
    position:absolute; top:-11px; left:10px; background:var(--gold); color:var(--accent-ink);
    font-size:.62rem; font-weight:800; letter-spacing:.08em; text-transform:uppercase; padding:2px 8px; border-radius:999px;
  }
  .field-editable strong{font-family:var(--font-body); color:var(--ink);}
  .field-editable span{font-size:.82rem; color:var(--ink-soft);}

  .unavailable-note{
    display:flex; align-items:flex-start; gap:10px; background:var(--paper-raised); border:1px solid var(--border);
    border-radius:12px; padding:12px 14px; font-size:.86rem; color:var(--ink-soft); margin-top:10px;
  }
  .unavailable-note svg{flex:none; width:18px; height:18px; margin-top:2px; color:var(--gold);}

  /* ============================= LAYOUT SECTIONS ============================= */
  .page-section{padding:76px 0;}
  .page-section.tight{padding:52px 0;}
  .page-section.raised{background:var(--paper-raised); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
  .section-head{max-width:640px; margin-bottom:40px;}
  .section-head.center{margin-left:auto; margin-right:auto; text-align:center;}
  .section-head h2{font-size:clamp(1.7rem, 1.2rem + 1.8vw, 2.5rem);}
  .section-head p{font-size:1.05rem;}

  /* ============================= HERO ============================= */
  .hero{padding:56px 0 64px; position:relative; overflow:hidden;}
  .hero > .hero-grid{position:relative; z-index:1;}
  .hero-grid{display:grid; grid-template-columns: 1.05fr .95fr; gap:56px; align-items:center;}
  @media (max-width: 900px){ .hero-grid{grid-template-columns:1fr; gap:40px;} }
  .hero h1{font-size:clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem); line-height:1.06;}
  .hero h1 em{font-style:italic; color:var(--accent);}
  .hero p.lede{font-size:1.15rem; color:var(--ink-soft); max-width:52ch;}
  .hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin-top:8px;}
  .hero-byline{display:flex; align-items:center; gap:12px; margin-top:30px; font-size:.9rem; color:var(--ink-faint);}
  .hero-byline img{width:38px; height:38px; border-radius:50%; object-fit:cover; border:2px solid var(--paper);}

  .cover-stage{position:relative; display:flex; justify-content:center;}
  .cover-card{
    width:min(380px, 88%); position:relative;
  }
  .cover-card img{width:100%; height:auto; display:block; filter:drop-shadow(0 30px 40px rgba(51,18,27,.32));}
  .badge-float{
    position:absolute; background:var(--ink); color:var(--paper); border-radius:14px; padding:12px 16px;
    box-shadow:var(--shadow-card); font-size:.8rem; max-width:180px; transform:rotate(3deg);
  }
  .badge-float strong{display:block; font-family:var(--font-display); font-size:1.05rem; color:var(--gold-soft);}
  .badge-float.b1{top:-6px; right:-6px;}
  .badge-float.b2{bottom:6px; left:-18px;}
  @media (max-width: 560px){ .badge-float{display:none;} }

  /* ============================= SCENARIO / FEATURE CARDS ============================= */
  .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
  .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
  @media (max-width: 960px){ .grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);} }
  @media (max-width: 620px){ .grid-4, .grid-3, .grid-2{grid-template-columns:1fr;} }

  .scenario-card{
    background:var(--paper); border:1px solid var(--border); border-radius:var(--radius); padding:22px;
    display:flex; flex-direction:column; gap:10px;
    transition: transform .3s cubic-bezier(.16,.8,.24,1), box-shadow .3s ease, border-color .3s ease;
  }
  .scenario-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-card); border-color:var(--rose);}
  .scenario-card .icn{
    width:42px; height:42px; border-radius:10px; background:var(--gold-soft); color:var(--gold);
    display:flex; align-items:center; justify-content:center; flex:none;
    transition: transform .35s cubic-bezier(.2,.9,.3,1.3);
  }
  .scenario-card:hover .icn{transform:scale(1.12) rotate(-6deg);}
  @media (prefers-reduced-motion: reduce){ .scenario-card, .scenario-card .icn{transition:none;} .scenario-card:hover{transform:none;} .scenario-card:hover .icn{transform:none;} }
  .scenario-card h3{font-size:1.08rem;}
  .scenario-card p{font-size:.92rem; margin-bottom:0;}

  /* ============================= QUIZ ============================= */
  .quiz-shell{
    background:var(--ink); color:var(--paper); border-radius:20px; padding:clamp(24px,4vw,48px);
    display:grid; grid-template-columns: 1fr 1.15fr; gap:40px; align-items:start;
  }
  @media (max-width: 880px){ .quiz-shell{grid-template-columns:1fr;} }
  .quiz-shell h2, .quiz-shell p{color:var(--paper);}
  .quiz-shell .eyebrow{color:var(--gold-soft);}
  .quiz-shell .eyebrow::before{background:var(--gold-soft);}
  .quiz-steps{display:flex; gap:8px; margin:18px 0 26px;}
  .quiz-steps span{width:34px; height:5px; border-radius:99px; background:rgba(255,255,255,.22);}
  .quiz-steps span.done{background:var(--gold-soft);}
  .quiz-panel{background:var(--paper); color:var(--ink); border-radius:16px; padding:26px; min-height:320px;}
  .quiz-q h3{font-size:1.15rem; margin-bottom:16px;}
  .quiz-options{display:flex; flex-direction:column; gap:10px;}
  .quiz-opt{
    text-align:left; padding:14px 16px; border-radius:12px; border:1.5px solid var(--border); background:var(--paper-raised);
    font-weight:600; font-size:.95rem;
  }
  .quiz-opt:hover{border-color:var(--gold);}
  .quiz-opt.selected{border-color:var(--accent); background:var(--rose-soft);}
  .quiz-nav{display:flex; justify-content:space-between; margin-top:20px;}
  .quiz-result h3{font-size:1.3rem;}
  .quiz-result .prompt-box{
    background:var(--paper-sunken); border:1px solid var(--border); border-radius:12px; padding:16px;
    font-family:ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; font-size:.86rem; white-space:pre-wrap;
    color:var(--ink); margin:14px 0;
  }

  /* ============================= COMPARISON ============================= */
  .compare-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
  @media (max-width: 760px){ .compare-grid{grid-template-columns:1fr;} }
  .compare-card{border:1px solid var(--border); border-radius:var(--radius); padding:28px; background:var(--paper); display:flex; flex-direction:column; gap:14px; transition: transform .3s cubic-bezier(.16,.8,.24,1), box-shadow .3s ease;}
  .compare-card:hover{transform:translateY(-6px) scale(1.01); box-shadow:var(--shadow-card);}
  .compare-card.highlight{border-color:var(--accent); box-shadow:var(--shadow-card); position:relative;}
  @media (prefers-reduced-motion: reduce){ .compare-card{transition:none;} .compare-card:hover{transform:none;} }
  .compare-card ul{margin:0; padding-left:1.1em; color:var(--ink-soft); font-size:.94rem; display:flex; flex-direction:column; gap:8px;}
  .compare-card .price{font-family:var(--font-display); font-size:1.6rem; color:var(--ink);}
  .compare-card h3{display:flex; align-items:center; gap:8px;}

  /* ============================= AUTHOR ============================= */
  .author-block{display:grid; grid-template-columns: 240px 1fr; gap:40px; align-items:center;}
  @media (max-width:760px){ .author-block{grid-template-columns:1fr; text-align:center;} .author-block .author-photo{margin:0 auto;} }
  .author-photo{width:240px; height:240px; border-radius:50%; overflow:hidden; border:6px solid var(--paper-raised); box-shadow:var(--shadow-card);}
  .author-photo img{width:100%; height:100%; object-fit:cover;}

  /* ============================= FORM / SIGNUP ============================= */
  .signup-card{
    background:var(--ink); color:var(--paper); border-radius:20px; padding:clamp(28px,5vw,52px);
    display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
  }
  @media (max-width:820px){ .signup-card{grid-template-columns:1fr;} }
  .signup-card h2, .signup-card p{color:var(--paper);}
  .signup-form{display:flex; flex-direction:column; gap:12px;}
  .signup-row{display:flex; gap:10px; flex-wrap:wrap;}
  .signup-row input{flex:1; min-width:200px; padding:14px 16px; border-radius:10px; border:1.5px solid rgba(255,255,255,.25); background:rgba(255,255,255,.06); color:var(--paper);}
  .signup-row input::placeholder{color:rgba(255,255,255,.5);}
  .form-msg{font-size:.86rem; border-radius:10px; padding:10px 12px; display:flex; gap:8px; align-items:flex-start;}
  .form-msg.error{background:var(--danger-soft); color:var(--danger);}
  .form-msg.info{background:rgba(255,255,255,.1); color:var(--paper);}
  .form-msg.success{background:var(--success-soft); color:var(--success);}

  /* ============================= FAQ ============================= */
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-q{
    width:100%; text-align:left; background:none; border:none; padding:18px 0; display:flex;
    justify-content:space-between; align-items:center; gap:16px; font-family:var(--font-display); font-weight:600; font-size:1.05rem;
  }
  .faq-q .plus{flex:none; width:26px; height:26px; border-radius:50%; border:1.5px solid var(--gold); color:var(--gold); display:flex; align-items:center; justify-content:center; transition:transform .2s;}
  .faq-item[data-open="true"] .plus{transform:rotate(45deg);}
  .faq-a{padding:0 0 20px; max-width:70ch;}

  /* ============================= FOOTER ============================= */
  footer.site{background:var(--ink); color:var(--paper); padding:52px 0 30px;}
  footer.site a{color:var(--paper); text-decoration:none;}
  footer.site .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px;}
  @media (max-width:760px){ footer.site .foot-grid{grid-template-columns:1fr 1fr;} }
  footer.site h4{color:var(--gold-soft); font-family:var(--font-body); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:14px;}
  footer.site ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px; font-size:.92rem;}
  footer.site .foot-bottom{border-top:1px solid rgba(255,255,255,.15); margin-top:40px; padding-top:20px; font-size:.8rem; color:var(--ink-faint); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

  /* ============================= PAGE HEADER (inner pages) ============================= */
  .page-hero{padding:52px 0 20px;}
  .page-hero .eyebrow{margin-bottom:14px;}
  .course-banner{border-radius:20px; overflow:hidden; box-shadow:var(--shadow-card); border:1px solid var(--border);}
  .course-banner img{width:100%; height:auto; display:block;}
  .page-hero h1{font-size:clamp(2rem, 1.5rem + 2vw, 3rem);}

  /* ============================= BOOK PAGE ============================= */
  .book-hero-grid{display:grid; grid-template-columns:300px 1fr; gap:48px; align-items:start;}
  @media (max-width:820px){ .book-hero-grid{grid-template-columns:1fr; justify-items:center; text-align:center;} .book-hero-grid p{margin-left:auto; margin-right:auto;} }
  .book-cover-lg{width:100%; position:relative;}
  .book-cover-lg img{width:100%; height:auto; display:block; filter:drop-shadow(0 26px 34px rgba(51,18,27,.3));}

  .toc-part{margin-bottom:8px;}
  .toc-part-head{
    display:flex; align-items:baseline; gap:12px; padding:16px 0 10px; border-bottom:2px solid var(--ink);
  }
  .toc-part-head .num{font-family:var(--font-display); font-size:1.4rem; color:var(--accent);}
  .toc-part-head h3{margin:0; font-size:1.15rem;}
  .chapter-row{border-bottom:1px solid var(--border);}
  .chapter-btn{
    width:100%; text-align:left; background:none; border:none; padding:14px 4px; display:flex; align-items:center; gap:14px;
    font-family:var(--font-body); color:var(--ink); font-weight:600;
  }
  .chapter-btn .chnum{font-family:var(--font-display); color:var(--ink-faint); font-size:.95rem; flex:none; width:26px;}
  .chapter-btn .chevron{margin-left:auto; flex:none; width:18px; height:18px; transition:transform .2s; color:var(--ink-faint);}
  .chapter-row[data-open="true"] .chevron{transform:rotate(180deg);}
  .chapter-body{padding:0 4px 18px 40px; display:none;}
  .chapter-row[data-open="true"] .chapter-body{display:block;}
  .chapter-body p{font-size:.92rem; margin:0;}

  .excerpt-card{
    background:var(--paper-raised); border-left:4px solid var(--accent); border-radius:0 var(--radius) var(--radius) 0;
    padding:28px 30px; position:relative;
  }
  .excerpt-card p{font-family:var(--font-display); font-style:italic; font-size:1.15rem; color:var(--ink); line-height:1.5;}
  .excerpt-card cite{display:block; margin-top:10px; font-style:normal; font-size:.85rem; color:var(--ink-faint); font-family:var(--font-body); font-weight:600;}

  .appendix-list{columns:2; gap:32px; font-size:.92rem; color:var(--ink-soft); margin:0; padding-left:1.2em;}
  @media (max-width:620px){ .appendix-list{columns:1;} }
  .appendix-list li{margin-bottom:8px; break-inside:avoid;}

  /* ============================= COURSE PAGE ============================= */
  .proposed-banner{
    display:flex; gap:12px; align-items:flex-start; background:var(--gold-soft); border:1px solid var(--gold);
    border-radius:14px; padding:16px 18px; margin-bottom:36px; font-size:.9rem; color:var(--ink);
  }
  .proposed-banner svg{flex:none; width:20px; height:20px; color:var(--gold); margin-top:1px;}

  .module{border:1px solid var(--border); border-radius:var(--radius); margin-bottom:14px; overflow:hidden; background:var(--paper); transition: box-shadow .3s ease, border-color .3s ease;}
  .module:hover{border-color:var(--rose); box-shadow:var(--shadow-soft);}
  @media (prefers-reduced-motion: reduce){ .module{transition:none;} }
  .module-head{
    width:100%; display:flex; align-items:center; gap:16px; padding:18px 20px; background:none; border:none; text-align:left;
  }
  .module-head .mnum{
    width:38px; height:38px; border-radius:50%; background:var(--paper-sunken); color:var(--ink); display:flex; align-items:center; justify-content:center;
    font-family:var(--font-display); font-weight:700; flex:none;
  }
  .module-head h3{margin:0; font-size:1.05rem; flex:1;}
  .module-head .chevron{width:18px; height:18px; flex:none; transition:transform .2s; color:var(--ink-faint);}
  .module[data-open="true"] .chevron{transform:rotate(180deg);}
  .module-body{display:none; padding:0 20px 22px 74px;}
  .module[data-open="true"] .module-body{display:block;}
  .module-body ul{padding-left:1.1em; color:var(--ink-soft); font-size:.92rem; display:flex; flex-direction:column; gap:6px; margin:0 0 10px;}
  .lesson-preview{
    display:flex; align-items:center; gap:12px; background:var(--paper-raised); border:1px solid var(--border);
    border-radius:10px; padding:10px 14px; font-size:.88rem; margin-top:10px;
  }
  .lesson-preview .lp-check{
    width:22px; height:22px; border-radius:50%; border:2px solid var(--gold); flex:none; display:flex; align-items:center; justify-content:center;
    background:none; color:transparent; padding:0;
  }
  .lesson-preview[data-done="true"] .lp-check{background:var(--success); border-color:var(--success); color:#fff;}
  .lesson-preview .lp-tag{margin-left:auto; font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--gold); flex:none;}

  .progress-track{height:8px; border-radius:99px; background:var(--paper-sunken); overflow:hidden; margin:14px 0 6px;}
  .progress-fill{height:100%; background:var(--success); border-radius:99px; width:0%; transition:width .3s;}

  .pricing-card{
    background:var(--ink); color:var(--paper); border-radius:20px; padding:clamp(28px,5vw,44px);
    display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center;
  }
  @media (max-width:800px){ .pricing-card{grid-template-columns:1fr;} }
  .pricing-card h3, .pricing-card p{color:var(--paper);}
  .pricing-card .field-editable{background:rgba(255,255,255,.08); border-color:var(--gold-soft);}
  .pricing-card .field-editable strong{color:var(--paper);}
  .pricing-card .field-editable span{color:rgba(255,255,255,.7);}

  /* ============================= PROMPT BUILDER ============================= */
  .builder-grid{display:grid; grid-template-columns: 1fr 1fr; gap:32px;}
  @media (max-width:880px){ .builder-grid{grid-template-columns:1fr;} }
  .field{display:flex; flex-direction:column; gap:6px; margin-bottom:18px;}
  .field label{font-weight:700; font-size:.88rem;}
  .field select, .field textarea, .field input[type="text"]{
    padding:12px 14px; border-radius:10px; border:1.5px solid var(--border); background:var(--paper); color:var(--ink);
  }
  .field textarea{resize:vertical; min-height:90px; font-family:inherit;}
  .builder-output{
    background:var(--paper-sunken); border:1px solid var(--border); border-radius:var(--radius); padding:22px;
    position:sticky; top:96px;
  }
  .builder-output pre{
    white-space:pre-wrap; font-family:ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; font-size:.85rem;
    background:var(--paper); border:1px solid var(--border); border-radius:10px; padding:16px; max-height:340px; overflow:auto;
  }
  .copy-confirm{color:var(--success); font-weight:700; font-size:.85rem; display:inline-flex; align-items:center; gap:6px;}

  /* ============================= BEFORE/AFTER ============================= */
  .ba-tabs{display:flex; gap:8px; margin-bottom:16px;}
  .ba-tab{padding:9px 18px; border-radius:999px; border:1.5px solid var(--border); background:var(--paper); font-weight:700; font-size:.85rem;}
  .ba-tab[aria-selected="true"]{background:var(--ink); color:var(--paper); border-color:var(--ink);}
  .ba-panel{background:var(--paper-raised); border:1px solid var(--border); border-radius:var(--radius); padding:24px; font-size:.94rem; white-space:pre-wrap; min-height:220px;}
  .ba-panel.after{border-left:4px solid var(--success);}
  .ba-panel.before{border-left:4px solid var(--gold);}

  /* ============================= RESOURCES ============================= */
  .filter-row{display:flex; gap:20px; align-items:center; flex-wrap:wrap; margin-bottom:28px;}
  .search-box{position:relative; flex:1; min-width:220px;}
  .search-box input{width:100%; padding:12px 16px 12px 42px; border-radius:999px; border:1.5px solid var(--border); background:var(--paper);}
  .search-box svg{position:absolute; left:14px; top:50%; transform:translateY(-50%); width:18px; height:18px; color:var(--ink-faint);}
  .chip-row{display:flex; gap:8px; flex-wrap:wrap;}
  .chip{padding:9px 16px; border-radius:999px; border:1.5px solid var(--border); background:var(--paper); font-weight:700; font-size:.84rem; color:var(--ink-soft);}
  .chip[aria-pressed="true"]{background:var(--ink); color:var(--paper); border-color:var(--ink);}

  .prompt-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
  @media (max-width:760px){ .prompt-grid{grid-template-columns:1fr;} }
  .prompt-card{border:1px solid var(--border); border-radius:var(--radius); padding:22px; background:var(--paper); display:flex; flex-direction:column; gap:12px; transition: transform .3s cubic-bezier(.16,.8,.24,1), box-shadow .3s ease, border-color .3s ease;}
  .prompt-card:hover{transform:translateY(-5px); box-shadow:var(--shadow-card); border-color:var(--rose);}
  @media (prefers-reduced-motion: reduce){ .prompt-card{transition:none;} .prompt-card:hover{transform:none;} }
  .prompt-card .cat-tag{align-self:flex-start; font-size:.7rem; font-weight:800; text-transform:uppercase; letter-spacing:.07em; color:var(--gold); background:var(--gold-soft); padding:4px 10px; border-radius:999px;}
  .prompt-card pre{
    white-space:pre-wrap; font-family:ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; font-size:.83rem;
    background:var(--paper-sunken); border-radius:10px; padding:14px; margin:0; color:var(--ink-soft);
  }
  .empty-state{text-align:center; padding:60px 20px; color:var(--ink-faint);}
  .empty-state svg{width:48px; height:48px; margin:0 auto 14px; color:var(--border);}

  .toast{
    position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(120%); background:var(--ink); color:var(--paper);
    padding:14px 22px; border-radius:12px; font-weight:600; font-size:.9rem; box-shadow:var(--shadow-card); z-index:100;
    transition:transform .25s ease; display:flex; align-items:center; gap:10px;
  }
  .toast.show{transform:translateX(-50%) translateY(0);}

  .skip-link{
    position:absolute; left:-999px; top:auto; background:var(--ink); color:var(--paper); padding:12px 18px; border-radius:8px; z-index:200;
  }
  .skip-link:focus{left:16px; top:16px;}

  .final-cta{
    text-align:center; background:var(--paper-raised); border-radius:24px; padding:clamp(36px,6vw,64px); border:1px solid var(--border);
  }
  .final-cta h2{font-size:clamp(1.8rem,1.4rem+1.6vw,2.4rem);}