:root {
      color-scheme: light dark;
      --paper: #f2eee6;
      --surface: #fffdf8;
      --ink: #1c2421;
      --muted: #5e665f;
      --line: #cfc8ba;
      --accent: #bc4f32;
      --accent-strong: #8e321c;
      --accent-soft: #edcfbf;
      --pine: #1d5548;
      --sun: #f3c75f;
      --shadow: 0 18px 48px rgba(51, 39, 27, .10);
      --serif: Georgia, "Times New Roman", Times, serif;
      --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    @media (prefers-color-scheme: dark) {
      :root {
        --paper: #161a18;
        --surface: #202522;
        --ink: #f4f0e7;
        --muted: #b9c0b9;
        --line: #454b46;
        --accent: #ee8768;
        --accent-strong: #ffad91;
        --accent-soft: #653829;
        --pine: #82bea9;
        --sun: #e7bc59;
        --shadow: 0 18px 48px rgba(0, 0, 0, .24);
      }
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-width: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--sans);
      font-size: 17px;
      line-height: 1.62;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .2em; }
    a:hover { color: var(--accent-strong); }
    button, input { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; }
    .skip {
      position: fixed;
      z-index: 20;
      top: 10px;
      left: 10px;
      padding: 8px 12px;
      background: var(--ink);
      color: var(--paper);
      transform: translateY(-160%);
    }
    .skip:focus { transform: translateY(0); }
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    .wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

    .masthead {
      border-bottom: 1px solid var(--line);
      background: color-mix(in srgb, var(--surface) 92%, transparent);
    }
    .masthead-inner {
      min-height: 88px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 28px;
    }
    .brand {
      font-family: var(--serif);
      font-size: clamp(1.25rem, 2vw, 1.75rem);
      font-weight: 700;
      letter-spacing: -.03em;
      text-decoration: none;
      white-space: nowrap;
    }
    .independent {
      justify-self: start;
      color: var(--pine);
      font-size: .76rem;
      font-weight: 750;
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; }
    nav a { font-size: .88rem; font-weight: 700; text-decoration: none; }

    .hero {
      position: relative;
      overflow: clip;
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: auto -7vw 9% auto;
      width: 27vw;
      min-width: 220px;
      aspect-ratio: 1;
      background: repeating-linear-gradient(135deg, transparent 0 12px, color-mix(in srgb, var(--accent) 20%, transparent) 12px 14px);
      transform: rotate(-8deg);
      pointer-events: none;
    }
    .hero-grid {
      min-height: 615px;
      display: grid;
      grid-template-columns: minmax(0, 1.45fr) minmax(280px, .65fr);
      gap: clamp(42px, 7vw, 110px);
      align-items: center;
      padding: 74px 0 80px;
    }
    .issue-line {
      display: flex;
      align-items: center;
      gap: 14px;
      margin: 0 0 24px;
      color: var(--accent-strong);
      font-size: .79rem;
      font-weight: 800;
      letter-spacing: .1em;
      text-transform: uppercase;
    }
    .issue-line::before { content: ""; width: 44px; height: 3px; background: currentColor; }
    h1, h2, h3 { margin-top: 0; }
    h1 {
      max-width: 780px;
      margin-bottom: 24px;
      font-family: var(--serif);
      font-size: clamp(4rem, 10vw, 8.9rem);
      line-height: .83;
      letter-spacing: -.075em;
      font-weight: 700;
    }
    h1 span { color: var(--accent); }
    .lede {
      max-width: 700px;
      margin: 0 0 34px;
      font-family: var(--serif);
      font-size: clamp(1.25rem, 2.2vw, 1.78rem);
      line-height: 1.38;
    }
    .hero-note { max-width: 600px; margin: 0; color: var(--muted); font-size: .94rem; }

    .editorial-mark {
      position: relative;
      align-self: stretch;
      display: grid;
      place-items: center;
      min-width: 0;
    }
    .paper-stack {
      position: relative;
      width: min(100%, 320px);
      aspect-ratio: 4 / 5;
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transform: rotate(3deg);
    }
    .paper-stack::before,
    .paper-stack::after {
      content: "";
      position: absolute;
      inset: 0;
      border: 1px solid var(--line);
      background: var(--accent-soft);
      z-index: -1;
    }
    .paper-stack::before { transform: translate(-14px, 12px) rotate(-5deg); }
    .paper-stack::after { transform: translate(13px, 19px) rotate(4deg); background: color-mix(in srgb, var(--sun) 55%, var(--surface)); }
    .paper-content { height: 100%; padding: 30px 28px; display: flex; flex-direction: column; }
    .paper-content b { font-family: var(--serif); font-size: 2.2rem; line-height: 1; }
    .paper-rule { height: 8px; width: 45%; margin: 24px 0 14px; background: var(--accent); }
    .paper-lines { display: grid; gap: 11px; margin-top: 10px; }
    .paper-lines i { display: block; height: 2px; background: var(--line); }
    .paper-lines i:nth-child(2) { width: 84%; }
    .paper-lines i:nth-child(4) { width: 68%; }
    .paper-quote { margin-top: auto; border-top: 1px solid var(--line); padding-top: 18px; font-family: var(--serif); font-style: italic; }

    .section { padding: 86px 0; border-bottom: 1px solid var(--line); }
    .section-head {
      display: grid;
      grid-template-columns: 190px minmax(0, 1fr);
      gap: 34px;
      margin-bottom: 44px;
    }
    .section-num { color: var(--accent-strong); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
    h2 { max-width: 780px; margin-bottom: 12px; font-family: var(--serif); font-size: clamp(2.3rem, 5vw, 4.6rem); line-height: .98; letter-spacing: -.045em; }
    .section-head p { max-width: 720px; margin: 0; color: var(--muted); }

    .explainer-grid { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: 58px; align-items: start; }
    .pullquote {
      margin: 0;
      padding-top: 20px;
      border-top: 5px solid var(--accent);
      font-family: var(--serif);
      font-size: clamp(1.55rem, 3vw, 2.45rem);
      line-height: 1.22;
    }
    .explainer-copy p { margin-top: 0; }
    .explainer-copy p:last-child { margin-bottom: 0; }

    .feature-list { border-top: 1px solid var(--line); }
    .feature {
      display: grid;
      grid-template-columns: 80px minmax(190px, .65fr) minmax(0, 1.35fr);
      gap: 28px;
      align-items: baseline;
      padding: 28px 0;
      border-bottom: 1px solid var(--line);
    }
    .feature-index { color: var(--accent-strong); font-family: var(--serif); font-size: 1.2rem; }
    .feature h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.35rem, 2.6vw, 2rem); }
    .feature p { margin: 0; color: var(--muted); }

    .signup-band { background: var(--pine); color: #fffdf8; }
    @media (prefers-color-scheme: dark) { .signup-band { color: #111815; } }
    .signup-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(320px, 1.2fr); gap: 64px; align-items: end; }
    .signup-band h2 { color: inherit; }
    .signup-band p { color: inherit; opacity: .82; }
    .signup-form { min-width: 0; }
    .field-row { display: flex; gap: 10px; min-width: 0; }
    .field-row input {
      flex: 1 1 auto;
      min-width: 0;
      border: 2px solid transparent;
      padding: 15px 16px;
      background: #fffdf8;
      color: #18211d;
      border-radius: 0;
    }
    .field-row button {
      flex: 0 0 auto;
      border: 2px solid var(--sun);
      padding: 15px 20px;
      background: var(--sun);
      color: #2b2617;
      font-weight: 850;
    }
    .field-row button:hover { background: #fff0bc; border-color: #fff0bc; }
    .form-note, .form-status { margin: 10px 0 0; font-size: .79rem; }
    .form-status { min-height: 1.5em; font-weight: 700; }

    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary {
      list-style: none;
      position: relative;
      padding: 27px 48px 27px 0;
      font-family: var(--serif);
      font-size: clamp(1.2rem, 2vw, 1.6rem);
      font-weight: 700;
      cursor: pointer;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 18px; color: var(--accent); font-family: var(--sans); font-size: 2rem; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 760px; margin: -6px 0 28px; color: var(--muted); }

    .about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .55fr); gap: 70px; }
    .about-copy { font-family: var(--serif); font-size: clamp(1.25rem, 2.4vw, 1.75rem); line-height: 1.48; }
    .about-card { border-top: 5px solid var(--accent); padding-top: 20px; }
    .about-card strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 1.4rem; }
    .about-card p { color: var(--muted); }

    footer { padding: 34px 0 max(34px, env(safe-area-inset-bottom)); }
    .footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: start; }
    .disclaimer { max-width: 770px; margin: 0; color: var(--muted); font-size: .78rem; }
    .copyright { margin: 0; font-size: .78rem; font-weight: 700; white-space: nowrap; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 18px; font-size: .78rem; }

    @media (max-width: 820px) {
      .masthead-inner { grid-template-columns: 1fr auto; gap: 10px 20px; padding: 15px 0; }
      .independent { grid-column: 1; grid-row: 2; }
      nav { grid-column: 2; grid-row: 1 / 3; flex-direction: column; align-items: flex-end; gap: 6px; }
      .hero-grid { grid-template-columns: 1fr; min-height: 0; padding: 60px 0 72px; }
      .editorial-mark { min-height: 390px; }
      .section-head, .explainer-grid, .signup-grid, .about-grid { grid-template-columns: 1fr; gap: 26px; }
      .section-num { margin-bottom: 4px; }
      .feature { grid-template-columns: 44px 1fr; gap: 8px 16px; }
      .feature p { grid-column: 2; }
      .signup-grid { align-items: start; }
      .footer-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 540px) {
      .wrap { width: min(100% - 28px, 1160px); }
      body { font-size: 16px; }
      .masthead-inner { grid-template-columns: 1fr; }
      nav { grid-column: 1; grid-row: auto; flex-direction: row; justify-content: flex-start; align-items: center; gap: 6px 16px; }
      .independent { grid-column: 1; grid-row: auto; }
      .hero-grid { padding-top: 48px; gap: 50px; }
      h1 { font-size: clamp(3.5rem, 23vw, 6.2rem); }
      .editorial-mark { min-height: 340px; }
      .paper-stack { width: min(86%, 290px); }
      .section { padding: 64px 0; }
      .field-row { flex-direction: column; }
      .field-row button { width: 100%; }
      .feature { padding: 24px 0; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
    }

    @media print {
      .signup-band, nav, .skip { display: none; }
      body { background: #fff; color: #111; }
      .section, .hero, .masthead { border-color: #aaa; }
    }

/* ---- Guide / article pages (v2 additions) ---- */
.page-hero { padding: 64px 0 54px; border-bottom: 1px solid var(--line); }
.breadcrumb { margin: 0 0 20px; font-size: .82rem; color: var(--muted); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-strong); }
.breadcrumb .sep { margin: 0 8px; }
.page-hero h1 {
  max-width: 860px;
  margin-bottom: 18px;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: .98;
  letter-spacing: -.045em;
}
.page-hero .lede {
  max-width: 720px;
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.45;
}
.updated { margin: 0; color: var(--muted); font-size: .85rem; }

.article { max-width: 780px; }
.article h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  margin: 2.1em 0 .55em;
}
.article h3 { font-family: var(--serif); font-size: 1.32rem; margin: 1.7em 0 .45em; letter-spacing: -.01em; }
.article p { margin: 0 0 1.15em; }
.article ul, .article ol { margin: 0 0 1.3em; padding-left: 1.35em; }
.article li { margin-bottom: .55em; }
.article li::marker { color: var(--accent-strong); }
.article figure { margin: 2em 0; }

.toc {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 22px 28px;
  margin: 34px 0;
}
.toc > strong {
  display: block;
  margin-bottom: 6px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.toc ol { margin: 8px 0 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; font-size: .95rem; }

.callout {
  border-left: 4px solid var(--accent);
  background: var(--surface);
  padding: 18px 24px;
  margin: 30px 0;
}
.callout.field-note { border-color: var(--pine); }
.callout.caution { border-color: var(--sun); }
.callout .label {
  display: block;
  margin-bottom: 6px;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.callout.field-note .label { color: var(--pine); }
.callout p { margin: 0; }
.callout p + p { margin-top: .8em; }

.spec-table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: .94rem; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { font-family: var(--serif); font-size: 1.02rem; white-space: nowrap; }
.spec-table td:first-child { font-weight: 700; }

.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; margin: 34px 0 0; }
.guide-card {
  display: block;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 26px 24px;
  text-decoration: none;
}
.guide-card:hover { border-color: var(--accent); }
.guide-card .kicker {
  display: block;
  margin-bottom: 10px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.guide-card h3 { margin: 0 0 10px; font-family: var(--serif); font-size: 1.3rem; letter-spacing: -.01em; }
.guide-card p { margin: 0; color: var(--muted); font-size: .93rem; }

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 24px;
  margin: 64px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: .92rem;
}
.pager a { text-decoration: none; font-weight: 700; }
.pager .next { margin-left: auto; text-align: right; }

.signup-band.slim .signup-grid { grid-template-columns: minmax(0, 1fr) minmax(300px, 1fr); gap: 40px; align-items: center; }
.signup-band.slim h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }

@media (max-width: 820px) {
  .page-hero { padding: 48px 0 40px; }
  .signup-band.slim .signup-grid { grid-template-columns: 1fr; }
  .spec-table { display: block; overflow-x: auto; }
}