:root {
      --ink: #23262B;
      --muted: #5B6068;
      --paper: #FFFEFB;
      --wall: #F3EADD;
      --cream: #F6F1E7;
      --line: #E3DACB;
      --primary: #1F5C63;
      --tint: #E5EFEE;
      --accent: #D9895B;
      --accent-hover: #CB7848;
      --accent-text: #A85A32;
      --head: "Fraunces", Georgia, serif;
      --body: "Literata", Georgia, serif;
      --ui: "Source Sans 3", system-ui, sans-serif;
      --hand: "Caveat", "Segoe Print", cursive;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 28px; -webkit-text-size-adjust: 100%; }
    body { margin: 0; color: var(--ink); background: var(--paper); font: 17px/1.85 var(--body); }
    ::selection { color: var(--ink); background: #B8D8FA; }
    a { color: var(--primary); text-underline-offset: 4px; }
    button, summary, a { -webkit-tap-highlight-color: transparent; }
    a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 5px; border-radius: 3px; }
    img { display: block; max-width: 100%; height: auto; }
    p { margin: 0 0 1.3em; }
    h1, h2, h3 { margin: 0; font-family: var(--head); font-weight: 600; letter-spacing: -.025em; }
    h1 { max-width: 950px; font-size: clamp(2.5rem, 5.1vw, 4rem); line-height: 1.12; }
    h2 { margin-bottom: 24px; color: var(--primary); font-size: clamp(1.8rem, 3vw, 2.35rem); line-height: 1.23; }
    h3 { margin: 30px 0 14px; font-size: 1.38rem; line-height: 1.35; }
    strong { font-weight: 600; }
    .wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
    .skip { position: absolute; top: 8px; left: 8px; z-index: 30; padding: 8px 16px; background: var(--primary); color: white; transform: translateY(-160%); }
    .skip:focus { transform: none; }
    .reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 20; pointer-events: none; }
    .reading-progress span { display: block; width: 100%; height: 100%; background: var(--primary); transform: scaleX(0); transform-origin: left; }
    .site-header { background: var(--wall); border-bottom: 1px solid rgba(31,92,99,.1); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 88px; }
    .brand img { width: 246px; height: auto; }
    .header-nav { display: flex; align-items: center; gap: 30px; font: 600 16px/1.3 var(--ui); }
    .nav-plain { text-decoration: none; }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 52px; padding: 15px 23px; border: 1px solid transparent; border-radius: 5px; background: var(--accent); color: var(--ink); font: 700 17px/1.3 var(--ui); text-decoration: none; text-align: center; transition: background .18s, transform .18s; }
    .btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
    .btn-small { min-height: 43px; padding: 11px 18px; font-size: 15px; }
    .btn .arrow { font-size: 21px; line-height: 1; }
    .article-heading { padding: 30px 0 54px; background: var(--wall); }
    .breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 45px; color: var(--muted); font: 14px/1.6 var(--ui); }
    .breadcrumbs a { color: inherit; text-decoration: none; }
    .breadcrumbs a:hover { text-decoration: underline; }
    .breadcrumbs .separator { color: #9D9A92; }
    .eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 19px; font: 700 12px/1.5 var(--ui); letter-spacing: .12em; text-transform: uppercase; }
    .category { color: var(--primary); }
    .preview-label { padding: 4px 9px; border: 1px solid #CCBEA8; border-radius: 3px; color: #62513D; font-size: 10px; letter-spacing: .09em; }
    .article-heading h1 span { color: var(--primary); }
    .lead { max-width: 775px; margin: 24px 0 25px; font-size: 19px; line-height: 1.8; color: #4A5055; }
    .article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 11px; color: var(--muted); font: 14px/1.5 var(--ui); }
    .meta-line { height: 1px; width: 30px; background: #BAAB94; }
    .article-layout { display: grid; grid-template-columns: minmax(0, 712px) minmax(0, 284px); column-gap: 84px; align-items: start; margin-top: 52px; margin-bottom: 80px; }
    .article { min-width: 0; grid-column: 1; grid-row: 1; }
    .article-sidebar { grid-column: 2; grid-row: 1; position: sticky; top: 27px; min-width: 0; }
    .contents { border-top: 2px solid var(--primary); padding-top: 19px; font-family: var(--ui); }
    .contents summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 0 12px; color: var(--primary); font: 700 12px/1.4 var(--ui); text-transform: uppercase; letter-spacing: .14em; cursor: pointer; }
    .contents summary::-webkit-details-marker { display: none; }
    .contents summary::after { content: "−"; font-size: 20px; font-weight: 400; }
    .contents:not([open]) summary::after { content: "+"; }
    .contents ol { margin: 0; padding: 0; list-style: none; counter-reset: toc; }
    .contents li { counter-increment: toc; }
    .contents a { display: grid; grid-template-columns: 23px 1fr; gap: 7px; align-items: baseline; padding: 9px 0; color: var(--muted); font: 16px/1.4 var(--ui); text-decoration: none; transition: color .15s; }
    .contents a::before { content: "0" counter(toc); color: #928B80; font-size: 11px; font-weight: 600; }
    .contents a:hover, .contents a[aria-current="location"] { color: var(--primary); }
    .contents a[aria-current="location"] { font-weight: 700; }
    .contents a[aria-current="location"]::before { color: var(--accent-text); }
    .sidebar-offer { margin-top: 29px; padding: 22px; background: var(--cream); border: 1px solid var(--line); border-radius: 5px; }
    .sidebar-offer-intro { display: grid; grid-template-columns: 72px 1fr; align-items: center; gap: 17px; margin-bottom: 21px; }
    .book-cover { position: relative; overflow: hidden; aspect-ratio: 5 / 8; background: var(--wall) url('/img/hero-luna.jpg') center / cover no-repeat; border-radius: 2px 5px 5px 2px; box-shadow: 6px 8px 17px rgba(35,38,43,.15); }
    .book-cover::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 5%; background: linear-gradient(90deg, rgba(35,38,43,.2), transparent); }
    .book-cover-title { position: absolute; left: 9%; top: 8%; right: 13%; color: var(--primary); font: 600 13px/1.05 var(--head); letter-spacing: -.04em; }
    .sidebar-offer .book-cover { transform: rotate(-4deg); }
    .sidebar-offer .overline { margin: 0 0 6px; color: var(--accent-text); font: 700 10px/1.4 var(--ui); text-transform: uppercase; letter-spacing: .1em; }
    .sidebar-offer h2 { margin: 0; font-size: 23px; line-height: 1.15; }
    .sidebar-offer > p { margin: 0 0 18px; font: 15px/1.6 var(--ui); color: var(--muted); }
    .sidebar-offer .btn { width: 100%; min-height: 46px; padding: 12px; font-size: 15px; }
    .offer-smallprint { margin-top: 12px; text-align: center; color: var(--muted); font: 12px/1.5 var(--ui); }
    .article-image { margin: 0 0 35px; }
    .article-image img { width: 100%; aspect-ratio: 1.8; object-fit: cover; object-position: center 78%; border-radius: 5px; }
    figcaption { margin-top: 11px; color: var(--muted); font: 13px/1.6 var(--ui); }
    .takeaway { position: relative; margin: 0 0 48px; padding: 26px 29px 25px; border-left: 3px solid var(--primary); background: var(--tint); border-radius: 0 5px 5px 0; }
    .takeaway .small-heading { display: block; margin-bottom: 10px; color: var(--primary); font: 700 12px/1.5 var(--ui); text-transform: uppercase; letter-spacing: .11em; }
    .takeaway p { margin: 0; font-size: 16px; line-height: 1.85; }
    .article-section { scroll-margin-top: 30px; margin-top: 51px; }
    .article-section > :last-child { margin-bottom: 0; }
    .article-list { margin: 25px 0 30px; padding-left: 24px; }
    .article-list li { padding-left: 8px; margin-bottom: 13px; }
    .article-list li::marker { color: var(--accent-text); }
    .editorial-quote { margin: 36px 0; padding: 8px 0 8px 26px; border-left: 2px solid var(--accent); color: var(--primary); font: 600 25px/1.5 var(--head); }
    .editorial-quote p { margin: 0; }
    .inline-offer { margin: 48px 0; padding: 31px; border: 1px solid #CEDBD6; border-radius: 5px; background: #F0F5F2; }
    .offer-eyebrow { margin: 0 0 11px; color: var(--accent-text); font: 700 11px/1.5 var(--ui); letter-spacing: .13em; text-transform: uppercase; }
    .inline-offer h2 { font-size: 28px; margin-bottom: 14px; }
    .inline-offer p:not(.offer-eyebrow) { margin-bottom: 20px; font: 17px/1.75 var(--ui); color: #4A5755; }
    .inline-offer .text-link { display: inline-block; margin-top: 14px; font: 16px/1.6 var(--ui); }
    .steps { padding: 0; margin: 29px 0; list-style: none; counter-reset: step; }
    .steps li { counter-increment: step; display: grid; grid-template-columns: 37px 1fr; gap: 17px; padding: 21px 0; border-top: 1px solid var(--line); }
    .steps li::before { content: "0" counter(step); padding-top: 2px; font: 600 22px/1.4 var(--head); color: var(--accent-text); }
    .steps h3 { margin: 0 0 8px; font-size: 21px; }
    .steps p { margin: 0; font-size: 16px; }
    .note { margin-top: 29px; padding: 21px 24px; background: var(--cream); border: 1px solid var(--line); border-radius: 4px; font: 16px/1.7 var(--ui); }
    .note strong { display: block; margin-bottom: 5px; color: var(--primary); font-weight: 700; }
    .note p { margin: 0; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { list-style: none; display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding: 21px 0; cursor: pointer; font: 600 19px/1.5 var(--ui); }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; flex-shrink: 0; color: var(--primary); font-size: 25px; line-height: 1; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { padding: 0 32px 22px 0; margin: 0; color: var(--muted); font-size: 16px; }
    .article-end { margin-top: 38px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font: 13px/1.7 var(--ui); }
    .closing-offer { padding: 69px 0 74px; background: var(--primary); color: var(--paper); overflow: hidden; }
    .closing-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 89px; align-items: center; max-width: 980px; margin-inline: auto; }
    .closing-art { position: relative; padding: 13px 22px 15px; }
    .closing-art .book-cover { width: 223px; transform: rotate(-5deg); box-shadow: 14px 20px 25px rgba(0,0,0,.23); }
    .closing-art .book-cover-title { font-size: 35px; }
    .hand-note { position: absolute; left: 165px; bottom: -12px; width: 180px; color: #F4D2A9; font: 500 25px/1.05 var(--hand); transform: rotate(-5deg); }
    .closing-offer .offer-eyebrow { color: #F4D2A9; }
    .closing-offer h2 { max-width: 610px; margin-bottom: 19px; color: var(--paper); font-size: clamp(2rem, 3.7vw, 2.9rem); }
    .closing-copy > p:not(.offer-eyebrow) { color: #DDE9E6; font: 17px/1.8 var(--ui); }
    .includes { list-style: none; padding: 0; margin: 22px 0 27px; font: 17px/1.5 var(--ui); }
    .includes li { display: flex; gap: 11px; align-items: baseline; margin-bottom: 10px; }
    .includes li::before { content: "✓"; color: #F4D2A9; }
    .closing-offer .offer-smallprint { text-align: left; color: #DDE9E6; font-size: 13px; }
    .closing-offer .quiz-link { display: inline-block; margin-top: 21px; color: var(--paper); font: 16px/1.7 var(--ui); }
    .closing-offer .pace-note { margin: 18px 0 0; font-size: 12px !important; color: #CCDCD8 !important; }
    .closing-offer a:focus-visible { outline-color: #F4D2A9; }
    .mobile-offer { display: none; }
    .article-meta a { color: inherit; }
    .article-meta time { white-space: nowrap; }
    .source-ref { margin-left: 3px; font: 600 11px/1 var(--ui); white-space: nowrap; vertical-align: super; text-decoration: none; }
    .urgent-note { margin: 0 0 38px; padding: 20px 24px; background: #FBEEE5; border-left: 3px solid var(--accent-text); border-radius: 0 4px 4px 0; font: 16px/1.7 var(--ui); }
    .urgent-note strong { display: block; color: #834521; font-weight: 700; margin-bottom: 6px; }
    .urgent-note p { margin: 0; }
    .observation-card { margin: 30px 0; padding: 27px; border: 1px solid var(--line); border-radius: 5px; background: var(--cream); }
    .observation-card h3 { margin: 0 0 16px; font-size: 25px; color: var(--primary); }
    .observation-fields { margin: 0 0 20px; font: 16px/1.7 var(--ui); }
    .observation-fields dt { margin-top: 15px; color: var(--primary); font-weight: 700; }
    .observation-fields dd { margin: 2px 0 0; color: var(--muted); }
    .observation-card .download-link { display: inline-block; padding-block: 7px; font: 700 16px/1.5 var(--ui); }
    .observation-card .download-note { margin: 6px 0 0; color: var(--muted); font: 13px/1.6 var(--ui); }
    .next-steps { padding: 0; margin: 26px 0; list-style: none; }
    .next-steps > li { padding: 22px 0; border-top: 1px solid var(--line); }
    .next-steps h3 { margin: 0 0 10px; }
    .next-steps p:last-child { margin-bottom: 0; }
    .sources { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font: 14px/1.7 var(--ui); color: var(--muted); overflow-wrap: anywhere; }
    .sources h2 { font-size: 23px; margin-bottom: 16px; }
    .sources ol { margin: 0 0 17px; padding-left: 21px; }
    .sources li { padding-left: 3px; margin-bottom: 9px; }
    .sources .source-scope { display: block; }
    .sources p { margin-bottom: 10px; }
    .article-end a { display: inline-block; padding-block: 6px; }
    @media (min-width: 1500px) { .article-heading { padding-bottom: 62px; } }
    @media (max-width: 1100px) {
      .article-layout { grid-template-columns: minmax(0, 1fr) 250px; column-gap: 45px; }
      .sidebar-offer { padding: 18px; }
      .sidebar-offer-intro { gap: 13px; grid-template-columns: 62px 1fr; }
      .sidebar-offer h2 { font-size: 21px; }
      .closing-grid { gap: 50px; }
    }
    @media (max-width: 850px) {
      .wrap { width: min(712px, calc(100% - 44px)); }
      .header-inner { min-height: 75px; }
      .brand img { width: 215px; }
      .header-nav { gap: 19px; }
      .nav-plain { display: none; }
      .article-heading { padding: 22px 0 36px; }
      .breadcrumbs { margin-bottom: 31px; font-size: 13px; }
      .article-layout { display: flex; flex-direction: column; gap: 0; margin-top: 29px; margin-bottom: 52px; }
      .article-sidebar { width: 100%; position: static; margin-bottom: 29px; }
      .contents { padding-top: 15px; border-bottom: 1px solid var(--line); }
      .contents summary { padding-bottom: 15px; }
      .contents ol { padding-bottom: 14px; }
      .contents a { padding-block: 7px; }
      .sidebar-offer { display: none; }
      .article { width: 100%; }
      .closing-grid { grid-template-columns: 170px minmax(0,1fr); gap: 30px; }
      .closing-art { padding: 0 8px 12px; }
      .closing-art .book-cover { width: 150px; }
      .closing-art .book-cover-title { font-size: 24px; }
      .hand-note { left: 50px; bottom: -47px; width: 150px; font-size: 22px; }
      .closing-offer { padding: 53px 0 58px; }
      .mobile-offer { position: fixed; inset: auto 0 0; z-index: 15; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 12px 22px max(12px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: rgba(255,254,251,.98); box-shadow: 0 -3px 20px rgba(35,38,43,.05); transform: translateY(120%); visibility: hidden; transition: transform .2s, visibility .2s; font-family: var(--ui); }
      .mobile-offer.is-visible { transform: translateY(0); visibility: visible; }
      .mobile-offer strong { display: block; font-size: 14px; line-height: 1.2; }
      .mobile-offer small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.3; }
      .mobile-offer .btn { flex-shrink: 0; min-height: 44px; padding: 11px 15px; font-size: 14px; }
    }
    @media (max-width: 520px) {
      body { font-size: 16px; line-height: 1.85; }
      .wrap { width: calc(100% - 40px); }
      .brand img { width: 186px; }
      .header-inner { gap: 12px; min-height: 71px; }
      .header-nav .btn { min-height: 39px; padding: 9px 12px; font-size: 13px; gap: 7px; }
      .header-nav .btn .arrow { display: none; }
      .breadcrumbs { gap: 7px; margin-bottom: 27px; font-size: 12px; }
      .breadcrumbs .breadcrumb-category, .breadcrumbs .last-separator { display: none; }
      .eyebrow { margin-bottom: 17px; gap: 9px; font-size: 10px; letter-spacing: .08em; }
      .preview-label { padding: 3px 6px; font-size: 9px; }
      h1 { font-size: clamp(2.2rem, 9.8vw, 3rem); line-height: 1.13; }
      .lead { margin-top: 21px; font-size: 17px; line-height: 1.8; }
      .article-meta { font-size: 12px; gap: 8px; }
      .meta-line { width: 20px; }
      .article-image { margin-bottom: 28px; }
      .article-image img { aspect-ratio: 1.25; object-position: 50% 79%; }
      .takeaway { padding: 22px; margin-bottom: 35px; }
      .takeaway p { font-size: 15px; }
      .article-section { margin-top: 38px; }
      h2 { font-size: 29px; margin-bottom: 20px; }
      .editorial-quote { padding-left: 21px; font-size: 23px; margin-block: 29px; }
      .inline-offer { padding: 25px 23px; margin-block: 36px; }
      .inline-offer h2 { font-size: 26px; }
      .inline-offer .btn { width: 100%; font-size: 16px; padding-inline: 15px; }
      .steps li { gap: 12px; grid-template-columns: 30px 1fr; }
      .faq-item summary { font-size: 17px; }
      .closing-grid { display: flex; flex-direction: column; gap: 37px; align-items: flex-start; }
      .closing-art { width: 100%; padding: 6px 0 5px 12px; }
      .closing-art .book-cover { width: 124px; }
      .closing-art .book-cover-title { font-size: 20px; }
      .hand-note { left: 175px; bottom: 47px; width: 125px; font-size: 26px; }
      .closing-offer h2 { font-size: 34px; }
      .closing-copy .btn { width: 100%; }
      .closing-offer .offer-smallprint { text-align: center; }
      .mobile-offer { padding-inline: 16px; gap: 11px; }
    }
    @media (max-width: 360px) {
      .brand img { width: 164px; }
      .header-nav .btn { padding-inline: 9px; font-size: 12px; }
      .wrap { width: calc(100% - 32px); }
      .mobile-offer strong { font-size: 12px; }
      .mobile-offer .btn { font-size: 13px; padding-inline: 12px; }
      .hand-note { left: 162px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; }
    }
    @media print {
      .reading-progress, .article-sidebar, .header-nav, .inline-offer, .closing-offer, .mobile-offer, .site-footer { display: none !important; }
      .wrap { width: 100%; }
      .article-layout { display: block; }
      .article-heading { background: none; }
    }