/* Disputesmith. Static page, no JavaScript. Colours match the guide PDF. */
:root {
  --navy: #0b2540;
  --ink: #1a1d21;
  --muted: #4b5563;
  --accent: #0b5cad;
  --accent-hover: #084a8c;
  --on-dark: #ffffff;
  --on-dark-muted: #c9d6e6;
  --paper: #ffffff;
  --band: #f4f6f9;
  --pale: #d6e4f2;
  --line: #d4d9e0;
  --focus: #b3400b;
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background-color: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6; overflow-wrap: anywhere; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 0.15em; }
.wordmark, .header-buy, .buy { text-decoration: none; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.skip { position: absolute; left: -999px; top: 0; background-color: var(--navy); color: var(--on-dark); padding: 0.5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { width: 100%; max-width: 68rem; margin: 0 auto; padding: 0 1rem; }

/* Header */
header.site { border-bottom: 1px solid var(--line); background-color: var(--paper); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 0.9rem; padding-bottom: 0.9rem; }
.wordmark { white-space: nowrap; display: inline-flex; align-items: center; gap: 0.55rem; color: var(--navy); text-decoration: none; font-family: var(--serif); font-weight: 700; font-size: 1.3rem; letter-spacing: 0.01em; }
.wordmark svg { width: 1.7rem; height: 1.7rem; flex: none; }
.header-buy { font-size: 0.95rem; font-weight: 600; color: var(--accent); text-decoration: none; white-space: nowrap; }
.header-buy:hover { text-decoration: underline; }

/* Hero */
.hero { background-color: var(--navy); color: var(--on-dark); }
.hero .wrap { display: grid; grid-template-columns: 1fr; gap: 2.5rem; padding-top: 3rem; padding-bottom: 3.5rem; align-items: center; }
.eyebrow { margin: 0 0 0.75rem; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-muted); }
.hero h1 { margin: 0 0 1rem; font-family: var(--serif); font-size: clamp(1.9rem, 4.6vw, 2.9rem); line-height: 1.15; font-weight: 700; }
.hero .lead { margin: 0 0 1.75rem; font-size: 1.15rem; color: var(--on-dark-muted); max-width: 36rem; }
.buy-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; }
.buy { display: inline-block; background-color: var(--accent); color: var(--on-dark); font-weight: 700; font-size: 1.05rem; text-decoration: none; padding: 0.95rem 1.5rem; border-radius: 0.5rem; border: 2px solid var(--accent); }
.buy:hover { background-color: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-dark); }
.hero .buy { background-color: var(--paper); color: var(--navy); border-color: var(--paper); }
.hero .buy:hover { background-color: var(--pale); border-color: var(--pale); color: var(--navy); }
.hero .buy:focus-visible, footer.site a:focus-visible { outline-color: var(--on-dark); }
.price-note { margin: 0; color: var(--on-dark-muted); font-size: 0.95rem; }
.price-note strong { color: var(--on-dark); font-size: 1.15rem; }
.trust { list-style: none; margin: 1.5rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; font-size: 0.92rem; color: var(--on-dark-muted); }
.trust li { display: flex; align-items: flex-start; gap: 0.4rem; }
.trust li::before { content: ""; width: 0.55rem; height: 0.55rem; margin-top: 0.5em; border-radius: 50%; background-color: var(--pale); flex: none; }

.covers { position: relative; max-width: 22rem; margin: 0 auto; width: 100%; padding: 1.5rem 1.5rem 1rem; border-radius: 1rem; background-color: #16385e; }
.covers img { border-radius: 0.25rem; border: 1px solid #6f90b4; box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45); }
.covers .back { position: absolute; width: 70%; right: 0.75rem; top: 2.25rem; transform: rotate(4deg); opacity: 0.95; }
.covers .front { position: relative; width: 80%; }
.covers figcaption { position: relative; margin-top: 2.5rem; font-size: 0.85rem; color: var(--on-dark-muted); }

/* Sections */
section.band { padding: 3.5rem 0; }
section.alt { background-color: var(--band); }
h2 { margin: 0 0 1.25rem; font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; color: var(--navy); }
h3 { margin: 0 0 0.4rem; font-size: 1.05rem; line-height: 1.35; color: var(--navy); }
.intro { max-width: 44rem; color: var(--muted); margin: 0 0 2rem; }
p { margin: 0 0 1rem; }

.two { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.who { margin: 0; padding: 0; list-style: none; }
.who li { padding: 0.75rem 0 0.75rem 1.1rem; border-left: 3px solid var(--accent); margin-bottom: 0.75rem; background-color: var(--paper); }
section.alt .who li { background-color: var(--band); }

.cards { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.cards li { background-color: var(--paper); border: 1px solid var(--line); border-radius: 0.6rem; padding: 1.25rem; }
.cards p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.chapters { columns: 1; column-gap: 2.5rem; margin: 0; padding: 0; list-style: none; counter-reset: ch; }
.chapters li { break-inside: avoid; counter-increment: ch; display: flex; gap: 0.75rem; padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
.chapters li::before { content: counter(ch, decimal-leading-zero); font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent); min-width: 1.6rem; }
.mid-buy { margin: 1.75rem 0 0; font-weight: 600; }
.extra { margin-top: 1.25rem; color: var(--muted); font-size: 0.98rem; }

.pages { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin: 0; }
.pages figure { margin: 0; }
.pages img { border: 1px solid var(--line); border-radius: 0.25rem; box-shadow: 0 6px 18px rgba(11, 37, 64, 0.12); background-color: var(--paper); }
.pages figcaption { margin-top: 0.6rem; font-size: 0.9rem; color: var(--muted); }

blockquote.sample { margin: 0; padding: 1.25rem 1.5rem; border-left: 4px solid var(--accent); background-color: var(--paper); font-family: var(--serif); font-size: 1.08rem; max-width: 46rem; }
blockquote.sample p:last-child { margin-bottom: 0; }

/* Page text alternatives */
.pagetext { margin-top: 0.6rem; font-size: 0.9rem; }
.pagetext summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.pagetext-body { margin-top: 0.75rem; padding: 1rem; background-color: var(--paper); border: 1px solid var(--line); border-radius: 0.4rem; max-height: 28rem; overflow: auto; }
.pagetext-body h3, .pagetext-body h4 { margin: 0.75rem 0 0.4rem; color: var(--navy); font-size: 0.95rem; }
.pagetext-body .pt-title { margin-top: 0; font-size: 1rem; }
.pagetext-body p, .pagetext-body li { margin: 0 0 0.6rem; }
.pagetext-body table { border-collapse: collapse; width: 100%; margin: 0 0 0.75rem; font-size: 0.82rem; }
.pagetext-body th, .pagetext-body td { border: 1px solid var(--line); padding: 0.3rem 0.4rem; text-align: left; vertical-align: top; }
.pagetext-body th { background-color: var(--band); color: var(--navy); }

/* Offer */
.offer { background-color: var(--paper); border: 2px solid var(--navy); border-radius: 0.75rem; padding: 2rem 1.5rem; max-width: 40rem; }
.offer .price { font-family: var(--serif); font-size: 2.6rem; font-weight: 700; color: var(--navy); margin: 0 0 0.25rem; line-height: 1.1; }
.offer .price span { font-family: var(--sans); font-size: 1rem; font-weight: 400; color: var(--muted); }
.offer .fine { margin: 1rem 0 0; font-size: 0.9rem; color: var(--muted); }
.offer .trust { color: var(--muted); }
.offer .trust li::before { background-color: var(--accent); }

/* FAQ */
.faq { max-width: 46rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 0.9rem 0 0.9rem 1.25rem; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--navy); list-style-position: outside; }
.faq summary:hover { color: var(--accent); }
.faq details p { margin: 0.75rem 0 0; color: var(--ink); }

.small { max-width: 46rem; }
.small h2 { font-size: 1.35rem; }

footer.site { background-color: var(--navy); color: var(--on-dark-muted); padding: 2rem 0; font-size: 0.92rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 2rem; }
footer.site a { color: var(--on-dark); }
footer.site p { margin: 0; }

@media (max-width: 22.5rem) {
  header.site .wrap { flex-wrap: wrap; }
}
@media (min-width: 48rem) {
  .hero .wrap { grid-template-columns: 1.25fr 0.75fr; padding-top: 4.5rem; padding-bottom: 5rem; }
  .two { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .cards { grid-template-columns: 1fr 1fr; }
  .chapters { columns: 2; }
  .pages { grid-template-columns: 1fr 1fr 1fr; }
  .offer { padding: 2.5rem; }
}
@media (min-width: 64rem) {
  .cards { grid-template-columns: 1fr 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  .hero, footer.site { background-color: var(--paper); color: var(--ink); }
}

/* Thank you page */
.thanks .wrap { padding-top: 4rem; padding-bottom: 4rem; max-width: 46rem; }
.thanks h1 { margin: 0 0 1rem; font-family: var(--serif); color: var(--navy); font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.2; }