/* Producer Briefs — site stylesheet v1
 * Brand colors per pb_marketing_site_scoping_v1.md §6.
 * Trade-journal aesthetic per pb_brand_voice_v1_1.md P3 (navy/gold/charcoal,
 * not tech keynote). System-stack fonts only — no Google Fonts hosting in v1.
 */

:root {
  --pb-navy: #1E3A5F;
  --pb-gold: #C9A227;
  --pb-charcoal: #1A1A1A;
  --pb-white: #FFFFFF;
  --pb-rule: #E5E5E5;
  --pb-muted: #666666;
  --pb-soft-bg: #FAFAFA;

  --font-serif: Georgia, "Times New Roman", "Iowan Old Style", "Palatino Linotype", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --content-max: 760px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-serif);
  color: var(--pb-charcoal);
  background: var(--pb-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--pb-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; }

p, li { font-size: 17px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
strong { font-weight: 700; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.95em; }

/* ---------- Shared chrome: page wrapper, header, footer ---------- */

.pb-wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 24px 96px;
}

.pb-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--pb-rule);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.pb-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  margin-right: auto;
}
.pb-brand:hover { text-decoration: none; }

.pb-brand img.pb-logo,
.pb-brand svg.pb-logo {
  width: 44px; height: 44px;
  flex-shrink: 0;
}

.pb-brand .pb-wordmark {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  color: var(--pb-charcoal);
  letter-spacing: -0.2px;
}

.pb-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-sans);
  font-size: 15px;
}
.pb-nav a {
  color: var(--pb-charcoal);
  text-decoration: none;
}
.pb-nav a:hover { color: var(--pb-navy); text-decoration: underline; }
.pb-nav a[aria-current="page"] {
  color: var(--pb-navy);
  font-weight: 600;
}

.pb-cta {
  font-family: var(--font-sans);
  display: inline-block;
  background: var(--pb-navy);
  color: var(--pb-white) !important;
  border: 1px solid var(--pb-navy);
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1px;
  text-decoration: none !important;
  border-radius: 2px;
}
.pb-cta:hover { background: #16304E; border-color: #16304E; }
.pb-cta--gold { background: var(--pb-gold); color: var(--pb-charcoal) !important; border-color: var(--pb-gold); }
.pb-cta--gold:hover { background: #B5901F; border-color: #B5901F; }
.pb-cta--lg { padding: 12px 22px; font-size: 16px; }

.pb-footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--pb-rule);
  color: var(--pb-muted);
  font-family: var(--font-sans);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: baseline;
}
.pb-footer a { color: var(--pb-muted); }
.pb-footer .pb-footer-copy { margin-right: auto; }

/* ---------- Headings ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--pb-navy);
  letter-spacing: -0.2px;
}

h1 {
  font-size: 30px;
  margin: 0 0 18px;
  line-height: 1.25;
}

h2 {
  font-size: 22px;
  margin: 48px 0 16px;
  padding-top: 32px;
  border-top: 1px solid var(--pb-rule);
  line-height: 1.3;
}
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

h3 {
  font-size: 17px;
  color: var(--pb-charcoal);
  margin: 24px 0 8px;
  font-weight: 600;
}

/* ---------- Hero (landing) ---------- */

.pb-hero {
  margin-bottom: 40px;
}
.pb-hero .pb-hero-line {
  font-family: var(--font-sans);
  font-size: 36px;
  font-weight: 800;
  color: var(--pb-navy);
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin: 0 0 18px;
}
.pb-hero p {
  font-size: 18px;
  margin: 0 0 14px;
}
.pb-hero .pb-price {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--pb-charcoal);
  margin: 18px 0 24px;
}
.pb-hero .pb-cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ---------- Utility blocks ---------- */

.pb-meta { color: var(--pb-muted); font-size: 14px; font-family: var(--font-sans); }

.pb-callout {
  background: var(--pb-soft-bg);
  border-left: 3px solid var(--pb-gold);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 16px;
}

.pb-disclaimer {
  border-top: 1px solid var(--pb-rule);
  margin-top: 40px;
  padding-top: 16px;
  font-size: 14px;
  color: var(--pb-muted);
}

/* ---------- Forms (intake, feedback) ---------- */

.pb-form { font-family: var(--font-sans); }
.pb-form .pb-field { margin-bottom: 20px; }
.pb-form .pb-field-row { display: flex; gap: 16px; flex-wrap: wrap; }
.pb-form .pb-field-row > .pb-field { flex: 1 1 220px; }

.pb-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--pb-charcoal);
  margin-bottom: 6px;
}
.pb-form .pb-label-aux {
  font-weight: 400;
  color: var(--pb-muted);
  font-size: 13px;
  margin-left: 6px;
}

.pb-form input[type="text"],
.pb-form input[type="email"],
.pb-form select,
.pb-form textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  padding: 9px 11px;
  border: 1px solid #C4C4C4;
  border-radius: 2px;
  background: var(--pb-white);
  color: var(--pb-charcoal);
}
.pb-form input:focus, .pb-form select:focus, .pb-form textarea:focus {
  outline: 2px solid var(--pb-navy);
  outline-offset: -1px;
  border-color: var(--pb-navy);
}

.pb-form .pb-check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
.pb-form .pb-check input { margin-top: 3px; flex-shrink: 0; }
.pb-form .pb-check label { font-weight: 400; margin: 0; }

.pb-form .pb-error {
  color: #A8262B;
  font-size: 13px;
  margin-top: 4px;
  display: none;
}
.pb-form .pb-error[aria-live] { display: block; }

.pb-form .pb-section-head {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--pb-muted);
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--pb-rule);
}

.pb-form .pb-optional-frame {
  color: var(--pb-muted);
  font-size: 13px;
  margin: 0 0 12px;
}

.pb-banner {
  background: #FFF8E1;
  border: 1px solid var(--pb-gold);
  padding: 14px 18px;
  font-size: 15px;
  font-family: var(--font-sans);
  margin-bottom: 24px;
}

/* ---------- FAQ ---------- */

.pb-faq .pb-faq-q {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--pb-navy);
  margin: 28px 0 8px;
}
.pb-faq .pb-faq-a {
  margin: 0 0 16px;
}

/* ---------- Feedback instrument (W-C Chat 2) ---------- */

.pb-q {
  margin: 0 0 28px;
  padding-bottom: 4px;
}
.pb-q-num {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--pb-muted);
  margin: 0 0 6px;
}
.pb-q-text {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-charcoal);
  margin: 0 0 12px;
  line-height: 1.45;
}
.pb-q fieldset { border: 0; margin: 0; padding: 0; }
.pb-q legend { padding: 0; }

.pb-radio-list { display: flex; flex-direction: column; gap: 8px; }
.pb-radio {
  display: flex; align-items: flex-start; gap: 10px;
  font-family: var(--font-sans); font-size: 15px;
  color: var(--pb-charcoal); font-weight: 400; cursor: pointer;
}
.pb-radio input { margin-top: 3px; flex-shrink: 0; }

.pb-scale { display: flex; gap: 6px; flex-wrap: wrap; }
.pb-scale label {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 600;
  border: 1px solid var(--pb-rule); border-radius: 4px;
  padding: 8px 14px; cursor: pointer; min-width: 40px;
}
.pb-scale input { margin: 0; }
.pb-scale input:checked + span,
.pb-scale label:has(input:checked) {
  border-color: var(--pb-navy); color: var(--pb-navy);
}
.pb-scale-anchors {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--pb-muted); margin-top: 6px;
  font-family: var(--font-sans);
}

.pb-matrix { width: 100%; border-collapse: collapse; font-family: var(--font-sans); font-size: 14px; }
.pb-matrix th, .pb-matrix td { text-align: center; padding: 8px 4px; border-bottom: 1px solid var(--pb-rule); }
.pb-matrix th:first-child, .pb-matrix td:first-child { text-align: left; }
.pb-matrix thead th { font-size: 12px; color: var(--pb-muted); font-weight: 700; }

.pb-charcount { font-size: 12px; color: var(--pb-muted); margin-top: 4px; text-align: right; font-family: var(--font-sans); }

.pb-spotcheck-frame {
  background: var(--pb-soft-bg);
  border-left: 3px solid var(--pb-gold);
  padding: 16px 18px;
  margin: 28px 0;
  font-size: 15px;
}
.pb-spotcheck-cite {
  border: 1px solid var(--pb-rule); border-radius: 4px;
  padding: 14px 16px; margin: 0 0 16px;
}
.pb-spotcheck-claim { font-style: italic; color: var(--pb-charcoal); margin: 0 0 8px; }

.pb-readonly-note {
  background: var(--pb-soft-bg);
  border-left: 3px solid var(--pb-navy);
  padding: 14px 18px; margin: 0 0 24px;
  font-family: var(--font-sans); font-size: 15px;
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .pb-wrap { padding: 24px 18px 64px; }
  .pb-nav { gap: 14px; font-size: 14px; }
  .pb-nav .pb-cta { padding: 8px 14px; font-size: 14px; }
  .pb-hero .pb-hero-line { font-size: 28px; }
  h1 { font-size: 25px; }
  h2 { font-size: 19px; margin-top: 40px; padding-top: 24px; }
  .pb-form .pb-field-row { flex-direction: column; gap: 0; }
  .pb-matrix th, .pb-matrix td { padding: 6px 2px; font-size: 13px; }
}