:root {
    color-scheme: light;
    --ink: #14213D;
    --paper: #FFFFFF;
    --slate: #4B5566;
    --teal: #0F766E;
    --amber: #B45309;
    /* Only spec section 4 hexes appear below. Text sits on Paper or Night only (the checked pairs);
       borders are a Slate tint and never carry text. */
    --border: color-mix(in srgb, #4B5566 28%, #FFFFFF);
    --surface: #FFFFFF;
    --focus: #0F766E;
    --text: var(--ink);
    --text-secondary: var(--slate);
    --bg: var(--paper);
    --bg-surface: var(--surface);
    --border-color: var(--border);
    --link: var(--teal);
    --button-text: #FFFFFF;
    --flag-bg: #FFFFFF;
    --flag-border: #B45309;
    --flag-text: #B45309;

    --font-display: 'Lora', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

    --step-0: 1rem;
    --step-1: 1.125rem;
    --step-2: 1.375rem;
    --step-3: 1.75rem;
    --step-4: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);

    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2.5rem;
    --space-5: 4rem;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      color-scheme: dark;
      --ink: #F5F7FA;
      --paper: #0B1220;
      --slate: #94A3B8;
      --teal: #2DD4BF;
      --amber: #B45309;
      --border: color-mix(in srgb, #94A3B8 35%, #0B1220);
      --surface: #0B1220;
      --focus: #2DD4BF;
      --text: var(--ink);
      --text-secondary: var(--slate);
      --bg: var(--paper);
      --bg-surface: var(--surface);
      --border-color: var(--border);
      --link: var(--teal);
      --button-text: #0B1220;
      --flag-bg: #0B1220;
      --flag-border: #B45309;
      --flag-text: #F5F7FA;
    }
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.6;
    overflow-x: hidden;
  }

  main, header, footer, section { display: block; }

  h1, h2, h3 { font-family: var(--font-display); color: var(--text); line-height: 1.25; font-weight: 600; margin: 0 0 var(--space-2); }
  h1 { font-size: var(--step-4); }
  h2 { font-size: var(--step-3); }
  h3 { font-size: var(--step-1); font-family: var(--font-body); font-weight: 600; }

  p { margin: 0 0 var(--space-2); max-width: 65ch; }
  ul, ol { margin: 0 0 var(--space-2); padding-left: 1.25em; max-width: 65ch; }
  li { margin-bottom: 0.4em; }

  a { color: var(--link); text-underline-offset: 0.15em; }
  a:not(.button) { text-decoration-thickness: 1px; }

  :focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
    border-radius: 2px;
  }

  .skip-link {
    position: absolute;
    left: 0;
    top: -3rem;
    background: var(--teal);
    color: var(--button-text);
    padding: 0.6em 1em;
    z-index: 100;
    transition: top 0.15s ease;
  }
  .skip-link:focus { top: 0; }
  @media (prefers-reduced-motion: reduce) {
    .skip-link { transition: none; }
  }

  .wrap {
    max-width: 72rem;
    margin: 0 auto;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  @media (min-width: 640px) {
    .wrap { padding-left: var(--space-4); padding-right: var(--space-4); }
  }

  /* Header */
  .site-header {
    border-bottom: 1px solid var(--border-color);
  }
  .site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }
  .logo-link { display: inline-flex; align-items: center; color: inherit; text-decoration: none; }
  .logo-mark { height: 26px; width: auto; display: block; }
  .logo-mark .logo-symbol { fill: var(--teal); }
  .logo-mark .logo-check { stroke: var(--bg); }
  .logo-mark text { fill: var(--text); }

  .site-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-3);
    margin: 0;
    padding: 0;
  }
  .site-nav a { color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; }
  .site-nav a:hover { color: var(--link); text-decoration: underline; }

  /* Buttons */
  .button {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75em 1.4em;
    border-radius: 6px;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
  }
  .button-primary { background: var(--teal); color: var(--button-text); }
  .button-primary:hover { background: var(--ink); }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .button-primary:hover { background: #F5F7FA; color: #0B1220; }
  }
  .button-secondary {
    background: transparent;
    color: var(--link);
    border-color: var(--border-color);
  }
  .button-secondary:hover { border-color: var(--link); }

  .cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    margin: var(--space-3) 0;
  }

  /* Sections */
  section { padding: var(--space-5) 0; }
  section + section { border-top: 1px solid var(--border-color); }
  .section-intro { max-width: 42rem; }

  .status-note {
    display: inline-block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--teal);
    padding-left: 0.75em;
    margin: var(--space-2) 0 var(--space-3);
  }

  /* Hero */
  .hero .wrap { padding-top: var(--space-4); padding-bottom: var(--space-4); }
  .hero p.subhead { font-size: var(--step-1); color: var(--text-secondary); max-width: 48ch; }
  .trust-line { font-size: 0.9rem; color: var(--text-secondary); max-width: 48ch; }

  /* Problem / two-column-ish lists */
  .today-list { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 8px; padding: var(--space-3); max-width: 42rem; }
  .today-list h3 { margin-top: 0; }

  /* Strengths */
  .strengths-list { list-style: none; padding-left: 0; max-width: 46rem; }
  .strengths-list li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-color);
    max-width: none;
  }
  .strengths-list li:first-child { padding-top: 0; }
  .strengths-list li:last-child { border-bottom: none; }
  .strengths-list strong { display: block; color: var(--text); margin-bottom: 0.2em; }
  .strengths-list span { color: var(--text-secondary); }

  /* Draft output (shared by the preview section and the pricing tables via .draft-table) */
  .src-id {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-right: 0.5em;
  }
  [id^="s1-"]:target,
  [id^="s2-"]:target,
  [id^="s3-"]:target {
    outline: 2px solid var(--amber);
    outline-offset: 2px;
    border-radius: 3px;
  }

  .cite {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--teal);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.05em 0.35em;
    margin-left: 0.15em;
    white-space: nowrap;
  }
  .cite:hover { border-color: var(--teal); }

  .panel-label { font-size: 0.85rem; color: var(--text-secondary); margin: 0 0 var(--space-1); }

  .draft-email {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--space-2);
    font-size: 0.95rem;
    white-space: pre-line;
    margin-bottom: var(--space-2);
  }
  .draft-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; margin-bottom: var(--space-2); }
  .draft-table th, .draft-table td { text-align: left; padding: 0.5em 0.6em; border-bottom: 1px solid var(--border-color); vertical-align: top; }
  .draft-table th { color: var(--text-secondary); font-weight: 600; font-size: 0.85rem; }

  .flag-banner {
    background: var(--flag-bg);
    border: 1px solid var(--flag-border);
    border-radius: 6px;
    padding: var(--space-2);
    margin-top: var(--space-2);
    font-size: 0.92rem;
    color: var(--text);
    max-width: none;
  }
  .flag-banner strong { color: var(--flag-text); }
  .flag-banner { border-left-width: 4px; }
  .placeholder { font-style: italic; color: var(--flag-text); }
  .flag-note { font-size: 0.85rem; color: var(--text-secondary); margin-top: var(--space-2); }

  /* Comparison table */
  .table-scroll {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: var(--space-3) 0 var(--space-2);
  }
  .compare-table {
    border-collapse: collapse;
    width: 100%;
    min-width: 1180px;
    font-size: 0.92rem;
  }
  .compare-table caption { text-align: left; padding: var(--space-2); font-size: 0.85rem; color: var(--text-secondary); }
  .compare-table th, .compare-table td {
    text-align: left;
    padding: 0.75em 0.9em;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
  }
  .compare-table thead th {
    background: var(--bg-surface);
    font-weight: 700;
  }
  .compare-table th[scope="row"] { font-weight: 600; min-width: 9rem; }
  .compare-table .is-us { border-left: 3px solid var(--teal); }
  .compare-table thead th { border-bottom: 2px solid var(--border-color); }
  .scroll-hint { font-size: 0.85rem; color: var(--text-secondary); margin: 0 0 var(--space-1); }
  #compare .wrap { max-width: 84rem; }
  @media (min-width: 1300px) { .scroll-hint { display: none; } }

  .fair-note {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-2) var(--space-3);
    max-width: 48rem;
    margin-bottom: var(--space-3);
  }

  .footnotes { font-size: 0.85rem; color: var(--text-secondary); max-width: none; }
  .footnotes ol { padding-left: 1.25em; }
  .footnotes li { margin-bottom: 0.3em; }

  /* Roadmap */
  .roadmap-groups {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: 1fr;
  }
  @media (min-width: 760px) {
    .roadmap-groups { grid-template-columns: repeat(3, 1fr); }
  }
  .roadmap-group {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-3);
  }
  .roadmap-group h3 { margin-top: 0; }
  .roadmap-group ul { padding-left: 1.1em; }

  /* Pricing */
  .price-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-3);
    max-width: 42rem;
    background: var(--bg-surface);
  }
  .price-figure { font-family: var(--font-display); font-size: var(--step-3); margin: 0 0 0.2em; }
  .price-figure small { font-family: var(--font-body); font-size: 0.9rem; color: var(--text-secondary); font-weight: 400; }

  /* FAQ */
  .faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-2) 0;
  }
  .faq-item:first-of-type { border-top: 1px solid var(--border-color); }
  .faq-item summary { cursor: pointer; list-style: none; padding: 0.4em 0; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary h3 { display: inline; font-size: var(--step-0); }
  .faq-item summary::before {
    content: "+";
    display: inline-block;
    width: 1.2em;
    color: var(--teal);
    font-weight: 700;
  }
  .faq-item[open] summary::before { content: "\2212"; }
  .faq-item p { margin-top: 0.6em; color: var(--text-secondary); }

  /* Security */
  .security-list { max-width: 52rem; }
  .security-list li { margin-bottom: 0.9em; }

  /* Closing CTA */
  .closing { border-top: 1px solid var(--border-color); }

  /* Footer */
  .site-footer { padding: var(--space-4) 0; border-top: 1px solid var(--border-color); }
  .site-footer .wrap { max-width: 72rem; }
  .footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); align-items: flex-start; }
  .footer-note { font-size: 0.85rem; color: var(--text-secondary); max-width: 40ch; }
  .footer-links a { color: var(--text-secondary); }

  code { font-family: var(--font-mono); font-size: 0.9em; background: var(--bg-surface); padding: 0.1em 0.35em; border-radius: 3px; }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Try-the-preview section */
  .honesty-line {
    font-size: 0.92rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--teal);
    padding-left: 0.75em;
    max-width: 60ch;
    margin: var(--space-2) 0 var(--space-3);
  }

  .sample-picker { margin: var(--space-3) 0 0; }
  .sample-tabs {
    display: flex;
    gap: 0.5em;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-2);
  }
  .sample-tabs label {
    display: inline-block;
    padding: 0.65em 1em;
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    margin-bottom: -1px;
  }
  .sample-tabs label .tab-hint { display: block; font-size: 0.8rem; font-weight: 400; color: var(--text-secondary); }
  .sample-picker input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
  }
  #sample-1:focus-visible ~ .sample-tabs label[for="sample-1"],
  #sample-2:focus-visible ~ .sample-tabs label[for="sample-2"],
  #sample-3:focus-visible ~ .sample-tabs label[for="sample-3"] {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
  }
  #sample-1:checked ~ .sample-tabs label[for="sample-1"],
  #sample-2:checked ~ .sample-tabs label[for="sample-2"],
  #sample-3:checked ~ .sample-tabs label[for="sample-3"] {
    background: var(--bg);
    color: var(--text);
    font-weight: 600;
    border-color: var(--teal);
    border-top-width: 3px;
    border-bottom: 1px solid var(--bg);
  }
  .sample-panel {
    display: none;
    border: 1px solid var(--border-color);
    border-radius: 0 8px 8px 8px;
    padding: var(--space-2);
    margin-bottom: var(--space-3);
  }
  @media (min-width: 640px) { .sample-panel { padding: var(--space-3); } }
  #sample-1:checked ~ .sample-panels #sample-panel-1,
  #sample-2:checked ~ .sample-panels #sample-panel-2,
  #sample-3:checked ~ .sample-panels #sample-panel-3 {
    display: block;
  }

  .resume-notes {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-2) var(--space-3);
    margin: var(--space-2) 0 var(--space-3);
  }
  .resume-notes p { margin: 0.3em 0; font-size: 0.92rem; max-width: none; }

  .preview-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }
  @media (min-width: 560px) { .preview-form { grid-template-columns: repeat(2, 1fr); } }
  .preview-field { max-width: none; }
  .preview-field label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.3em; font-weight: 600; }
  .preview-field input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.5em 0.6em;
    border: 1.5px solid var(--slate);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
  }
  .preview-field input:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 1px;
  }

  .run-row { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-3); }
  .progress-track {
    display: none;
    height: 4px;
    width: 160px;
    max-width: 40vw;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
  }
  .progress-track.is-active { display: block; }
  .progress-fill { height: 100%; width: 0%; background: var(--teal); transition: width 0.9s linear; }
  .progress-track.is-running .progress-fill { width: 100%; }
  @media (prefers-reduced-motion: reduce) {
    .progress-fill { transition: none; }
  }

  .preview-result { margin-top: var(--space-2); }
  .flag-banner.is-blocked { border-style: dashed; }
  .credit-meter { font-size: 0.85rem; color: var(--text-secondary); border-top: 1px dashed var(--border-color); padding-top: var(--space-1); margin-top: var(--space-2); }
  .credit-meter strong { color: var(--teal); }

  .next-steps { margin-top: var(--space-3); }
  .checkout-note { font-size: 0.85rem; color: var(--text-secondary); margin-top: var(--space-1); }

/* Web-shell branding (app-core web/README.md): map this page's own tokens
   onto the shell's --app-* custom properties. Matches the shell's own
   selector specificity (#app-shell:not([data-theme="light"]) inside the
   same media query) so this page's colours win the light/dark tie instead
   of app-shell.css's built-in defaults -- this file's <link> must stay
   after app-shell.css's in landing/index.html for that to hold. */
#app-shell {
  --app-ink: var(--ink);
  --app-accent: var(--teal);
  --app-bg: var(--bg);
  --app-font: var(--font-body);
}
@media (prefers-color-scheme: dark) {
  #app-shell:not([data-theme="light"]) {
    --app-ink: var(--ink);
    --app-accent: var(--teal);
    --app-bg: var(--bg);
    --app-font: var(--font-body);
  }
}