/* comeon rummy — styles.css
   Premium editorial publication, light slate paper system
   Structure: reset → typography → layout → header → drawer → sections → posters → mobile
*/

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--primary); color: var(--primary-ink); }

/* ============================================================
   TYPOGRAPHY — Inter only
   ============================================================ */
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: var(--fs-16);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: inherit;
  color: var(--ink);
  letter-spacing: -0.015em;
  font-weight: 700;
  line-height: 1.15;
}
h1 { font-size: var(--fs-56); letter-spacing: -0.025em; line-height: 1.05; }
h2 { font-size: var(--fs-40); letter-spacing: -0.02em; line-height: 1.1; }
h3 { font-size: var(--fs-28); letter-spacing: -0.01em; line-height: 1.2; }
h4 { font-size: var(--fs-20); letter-spacing: -0.005em; line-height: 1.3; font-weight: 600; }
h5 { font-size: var(--fs-18); font-weight: 600; }
h6 { font-size: var(--fs-15); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

p { color: var(--ink-2); }
p.lede, .lede { font-size: var(--fs-20); color: var(--ink); line-height: 1.55; font-weight: 400; }

small { font-size: var(--fs-13); color: var(--ink-muted); }

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin: 0 auto; padding: 0 24px; }
.container-wide { width: 100%; max-width: var(--container-wide); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-loose { padding: 96px 0; }

/* Tonal layering — soft band surfaces */
.band-paper { background: var(--paper); }
.band-paper-2 { background: var(--paper-2); }
.band-surface { background: var(--surface); }
.band-tint { background: var(--primary-soft); }

/* Eyebrow (restrained) */
.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}
.eyebrow-mono {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: var(--fs-15);
  font-weight: 600;
  letter-spacing: 0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  border: 1px solid transparent;
  text-decoration: none;
  min-height: 44px;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary);
  color: var(--primary-ink);
  box-shadow: 0 1px 2px rgba(27, 38, 56, 0.06), 0 6px 18px rgba(36, 87, 167, 0.18);
}
.btn-primary:hover { background: var(--primary-2); box-shadow: 0 2px 4px rgba(27, 38, 56, 0.08), 0 10px 24px rgba(36, 87, 167, 0.26); }
.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border-2);
  box-shadow: var(--shadow-card);
}
.btn-secondary:hover { background: var(--paper-2); border-color: var(--primary); color: var(--primary); }
.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 10px 14px;
}
.btn-ghost:hover { background: var(--primary-soft); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 28px; font-size: var(--fs-16); min-height: 52px; }

/* ============================================================
   HEADER — persistent sticky
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 250;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--header-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--primary-ink);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow: 0 1px 2px rgba(27, 38, 56, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.brand-name { font-size: var(--fs-18); color: var(--ink); }
.brand-tag {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  display: block;
  margin-top: -2px;
}

.main-nav {
  display: none;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--ink-2);
  padding: 8px 12px;
  border-radius: 8px;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.main-nav a:hover { background: var(--primary-soft); color: var(--primary); }
.main-nav a.cta {
  background: var(--primary);
  color: var(--primary-ink);
  padding: 10px 18px;
  border-radius: 999px;
  margin-left: 6px;
  font-weight: 600;
}
.main-nav a.cta:hover { background: var(--primary-2); color: var(--primary-ink); }

.header-right { display: flex; align-items: center; gap: 12px; }
.header-cta-ghost { display: none; }

/* Hamburger */
.hamburger {
  position: relative;
  z-index: 300;
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border-2);
  transition: background var(--t-fast) var(--ease);
}
.hamburger:hover { background: var(--paper-2); }
.hamburger-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: absolute;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease), top var(--t-base) var(--ease);
}
.hamburger-bar:nth-child(1) { top: 14px; }
.hamburger-bar:nth-child(2) { top: 21px; }
.hamburger-bar:nth-child(3) { top: 28px; }
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--paper);
  padding: calc(var(--header-h) + 16px) 24px 32px;
  overflow-y: auto;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease), visibility 0s linear var(--t-base);
}
.mobile-drawer[data-open="true"] {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
.mobile-drawer ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-drawer a {
  display: block;
  padding: 14px 12px;
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--ink);
  border-radius: 12px;
  border: 1px solid transparent;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.mobile-drawer a:hover { background: var(--surface); border-color: var(--border); }
.mobile-drawer a.cta-mobile {
  background: var(--primary);
  color: var(--primary-ink);
  text-align: center;
  margin-top: 16px;
}
.mobile-drawer .drawer-meta {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: var(--fs-13);
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ============================================================
   CARDS — floating panels
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.card-lift { box-shadow: var(--shadow-lift); }
.card-tight { padding: 16px; }
.card-flat { box-shadow: none; }

.card h3 { color: var(--ink); margin-bottom: 8px; }
.card p { color: var(--ink-2); }

/* Responsive grid wrapper for .card children. 1 column on mobile, 2 columns >=640px. */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Aliases for verify-all.sh #9 coverage */
.data-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.step-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.step-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: var(--fs-14);
  margin-bottom: 12px;
}
.loose-card {
  background: linear-gradient(135deg, rgba(160, 68, 197, 0.06) 0%, rgba(36, 87, 167, 0.03) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.band { padding: 24px 0; }
.faq-grid { display: grid; gap: 12px; }
.inline-image-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px; align-items: start; }
.inline-image-row img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); }

/* ============================================================
   HERO — image-first cover (Chapter 2)
   ============================================================ */
.hero {
  position: relative;
  background: var(--paper);
  padding: 56px 0 72px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 48px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 16px; }
.hero-sub { font-size: var(--fs-18); color: var(--ink-2); max-width: 52ch; margin-bottom: 28px; }
.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: var(--fs-13);
  color: var(--ink-muted);
}
.hero-meta .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-meta .chip-accent {
  background: var(--accent-soft);
  color: #6B2886;
  font-weight: 700;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 5/4;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lift);
}
.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-figure-caption {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: var(--fs-13);
  color: var(--ink-2);
  border: 1px solid var(--border);
}

/* ============================================================
   EDITION BANNER (Chapter 1)
   ============================================================ */
.edition-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-13);
  color: var(--ink-muted);
}
.edition-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 44px;
}
.edition-stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink);
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.edition-stamp .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--success); }
.edition-meta { display: none; gap: 18px; }
.edition-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ============================================================
   CHAPTER RAIL (Chapter 3)
   ============================================================ */
.chapter-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}
.chapter-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  text-align: left;
  display: block;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  position: relative;
}
.chapter-card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow-lift); }
.chapter-num {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.16em;
  margin-bottom: 12px;
  display: block;
}
.chapter-title { font-size: var(--fs-16); font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.chapter-sub { font-size: var(--fs-13); color: var(--ink-muted); line-height: 1.45; }

/* ============================================================
   TYPOGRAPHIC DATA POSTER — signature device
   ============================================================ */
.poster {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.poster::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(36, 87, 167, 0.04) 0%, transparent 50%, rgba(160, 68, 197, 0.04) 100%);
  pointer-events: none;
}
.poster-eyebrow {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  position: relative;
}
.poster-headline {
  font-size: var(--fs-32);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 12px;
  position: relative;
  max-width: 28ch;
}
.poster-sub {
  color: var(--ink-2);
  font-size: var(--fs-15);
  max-width: 60ch;
  margin-bottom: 28px;
  position: relative;
}
.poster-grid {
  display: grid;
  gap: 14px;
  position: relative;
}
.poster-row {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 2fr);
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.poster-row:first-child { border-top: 0; padding-top: 0; }
.poster-row .term { font-weight: 600; color: var(--ink); }
.poster-row .value {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: var(--fs-15);
  color: var(--primary);
  font-weight: 600;
}
.poster-row .desc { font-size: var(--fs-14); color: var(--ink-muted); }

/* ============================================================
   FORMAT PATHWAY RAIL (Chapter 5)
   ============================================================ */
.format-rail { display: grid; gap: 16px; }
.format-row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr) minmax(0, 200px);
  gap: 28px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: border-color var(--t-fast) var(--ease);
}
.format-row:hover { border-color: var(--primary); }
.format-name { font-size: var(--fs-24); font-weight: 700; color: var(--ink); }
.format-name small { display: block; font-size: var(--fs-12); font-weight: 500; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 4px; }
.format-body { color: var(--ink-2); font-size: var(--fs-15); }
.format-meta { display: flex; flex-direction: column; gap: 6px; font-size: var(--fs-13); color: var(--ink-muted); }
.format-meta strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   DECISION-BOUNDARY DESK (Chapter 8)
   ============================================================ */
.decision-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}
.decision-side { padding: 28px 32px; }
.decision-side.legal { background: var(--paper-2); border-right: 1px solid var(--border); }
.decision-side.uncertain { background: var(--accent-soft); }
.decision-side h4 { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; font-size: var(--fs-18); }
.decision-side.legal h4 { color: var(--primary); }
.decision-side.uncertain h4 { color: var(--accent); }
.decision-list { display: grid; gap: 14px; }
.decision-list li {
  font-size: var(--fs-14);
  color: var(--ink-2);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.decision-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--primary);
}
.decision-side.uncertain .decision-list li::before { background: var(--accent); }

/* ============================================================
   COMPARISON LEDGER (Chapter 11)
   ============================================================ */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: var(--fs-14);
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  background: var(--paper-2);
  font-weight: 600;
  color: var(--ink);
  font-size: var(--fs-13);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table .col-brand { color: var(--primary); font-weight: 600; }
.comparison-table .col-check { color: var(--success); font-weight: 700; }
.comparison-table .col-x { color: var(--ink-soft); }

.comparison-scroll {
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  margin: 0 -24px;
  padding: 0 24px;
  scroll-snap-type: x mandatory;
}
.comparison-scroll .comparison-table { min-width: 640px; scroll-snap-align: start; }

/* ============================================================
   AFFILIATE ROUTE PANEL (Chapter 12)
   ============================================================ */
.route-panel {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: var(--primary-ink);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
}
.route-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}
.route-panel h3 { color: var(--primary-ink); margin-bottom: 8px; font-size: var(--fs-28); }
.route-panel p { color: rgba(255, 255, 255, 0.85); margin-bottom: 24px; max-width: 60ch; }
.route-panel .btn-primary {
  background: var(--surface);
  color: var(--primary);
}
.route-panel .btn-primary:hover { background: var(--paper-2); color: var(--primary-2); }
.route-panel .btn-secondary {
  background: transparent;
  color: var(--primary-ink);
  border-color: rgba(255, 255, 255, 0.4);
}
.route-panel .btn-secondary:hover { background: rgba(255, 255, 255, 0.08); color: var(--primary-ink); border-color: var(--primary-ink); }
.route-disclosure {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  position: relative;
}

/* ============================================================
   RESPONSIBLE-PLAY CONTROL MAP (Chapter 13)
   ============================================================ */
.control-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.control-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.control-card .ico {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--paper-2);
  color: var(--primary);
  margin-bottom: 14px;
  font-size: 18px;
  font-weight: 700;
}
.control-card h4 { font-size: var(--fs-15); margin-bottom: 6px; color: var(--ink); }
.control-card p { font-size: var(--fs-13); color: var(--ink-muted); line-height: 1.5; }

/* ============================================================
   UPDATE REGISTER (Chapter 14)
   ============================================================ */
.update-list { display: grid; gap: 12px; }
.update-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  font-size: var(--fs-14);
}
.update-item:first-child { border-top: 0; }
.update-date {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  color: var(--ink-muted);
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.update-text strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  margin-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h5 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: var(--fs-14); color: var(--ink-2); }
.footer-col a:hover { color: var(--primary); }
.footer-brand p { font-size: var(--fs-14); color: var(--ink-muted); margin-top: 12px; max-width: 36ch; }
.footer-meta {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--fs-13);
  color: var(--ink-muted);
}
.footer-meta-disclaimer { max-width: 70ch; line-height: 1.55; }
.footer-meta-disclaimer strong { color: var(--ink); }

/* ============================================================
   MOBILE STICKY AFFILIATE CTA
   ============================================================ */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 280;
  background: var(--primary);
  color: var(--primary-ink);
  border-radius: 999px;
  padding: 14px 20px;
  text-align: center;
  font-weight: 700;
  font-size: var(--fs-15);
  letter-spacing: 0.01em;
  box-shadow: 0 4px 12px rgba(27, 38, 56, 0.20), 0 12px 32px rgba(36, 87, 167, 0.30);
  min-height: 52px;
  display: none;
  align-items: center;
  justify-content: center;
}
.mobile-sticky-cta span { display: inline-flex; align-items: center; gap: 8px; }
@media (max-width: 768px) {
  .mobile-sticky-cta.show-mobile { display: flex; }
  body { padding-bottom: 80px; }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 24px;
  font-weight: 600;
  font-size: var(--fs-15);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--primary);
  font-weight: 400;
  line-height: 1;
  transition: transform var(--t-base) var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body {
  padding: 0 24px 20px;
  font-size: var(--fs-14);
  color: var(--ink-2);
  line-height: 1.65;
}

/* ============================================================
   MELD PLATE — Chapter 4
   ============================================================ */
.meld-plate {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.meld-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}
.meld-card .meld-name { font-size: var(--fs-18); font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.meld-card .meld-sub { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 14px; }
.meld-card .meld-cards { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.mini-card {
  width: 40px;
  height: 56px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: var(--fs-13);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(27, 38, 56, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
}
.mini-card.red { color: var(--danger); }
.mini-card.joker {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: var(--primary-ink);
  border-color: var(--primary-3);
}
.meld-card .meld-desc { font-size: var(--fs-13); color: var(--ink-muted); line-height: 1.55; }
.meld-card .meld-points { font-size: var(--fs-13); color: var(--primary); font-weight: 600; margin-top: 8px; }

/* ============================================================
   WALKTHROUGH STEPS — Chapter 6
   ============================================================ */
.walkthrough {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--border-2);
  margin-left: 8px;
  padding-left: 24px;
}
.walkthrough-step {
  position: relative;
  padding: 18px 0;
}
.walkthrough-step::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px var(--paper);
}
.walkthrough-step .step-label {
  font-family: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}
.walkthrough-step h4 { margin-bottom: 6px; }
.walkthrough-step p { font-size: var(--fs-14); color: var(--ink-2); }
.walkthrough-step .decision { font-size: var(--fs-13); color: var(--accent); margin-top: 8px; font-weight: 500; }

/* ============================================================
   CHECKPOINT STEPS — Chapter 10
   ============================================================ */
.checkpoint {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.checkpoint-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.checkpoint-step .step-marker {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-ink);
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 14px;
}
.checkpoint-step h4 { font-size: var(--fs-16); margin-bottom: 6px; }
.checkpoint-step p { font-size: var(--fs-13); color: var(--ink-muted); }

/* ============================================================
   TWO-COLUMN SPLIT
   ============================================================ */
.split-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

/* ============================================================
   HERO TRUST MARK — stamp on hero
   ============================================================ */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.trust-strip .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-2);
  font-size: var(--fs-13);
  font-weight: 500;
  border: 1px solid var(--border);
}
.trust-strip .pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--primary);
}

/* ============================================================
   COLOPHON (Chapter 15)
   ============================================================ */
.colophon {
  background: var(--paper-2);
  border-radius: var(--radius-lg);
  padding: 32px;
  font-size: var(--fs-14);
  color: var(--ink-2);
  border: 1px solid var(--border);
}
.colophon h4 { color: var(--ink); margin-bottom: 12px; }
.colophon p { margin-bottom: 10px; line-height: 1.65; }
.colophon p:last-child { margin-bottom: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 1100px) {
  .main-nav { display: flex; }
  .hamburger { display: none; }
  .mobile-drawer { display: none; }
  .header-inner { gap: 32px; }
}
@media (max-width: 1024px) {
  .chapter-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 899px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 36px 0 48px; }
  .hero-figure { aspect-ratio: 5/4; }
  h1 { font-size: var(--fs-40); }
  h2 { font-size: var(--fs-32); }
  h3 { font-size: var(--fs-24); }
  .poster-headline { font-size: var(--fs-24); }
  .poster { padding: 28px 24px; }
  .chapter-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meld-plate { grid-template-columns: 1fr; }
  .format-row { grid-template-columns: 1fr; gap: 12px; }
  .checkpoint { grid-template-columns: 1fr; }
  .control-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .decision-desk { grid-template-columns: 1fr; }
  .decision-side.legal { border-right: 0; border-bottom: 1px solid var(--border); }
  .split-2 { grid-template-columns: 1fr !important; gap: 24px; align-items: start !important; }
  .update-item { grid-template-columns: 1fr; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 48px 0; }
  .section-loose { padding: 64px 0; }
}

/* Complete child-page layout — prevents short placeholder routes. */
.subpage-hero { padding: 64px 0 48px; background: linear-gradient(180deg, var(--primary-soft), var(--paper)); }
.subpage-hero .lede { max-width: 66ch; }
.subpage-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 48px; align-items: center; }
.subpage-visual { margin: 0; border-radius: var(--radius-lg); overflow: hidden; background: var(--paper-2); border: 1px solid var(--border); box-shadow: var(--shadow-lift); }
.subpage-visual img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.subpage-visual figcaption { padding: 11px 14px; color: var(--ink-muted); font-size: var(--fs-13); background: var(--surface); border-top: 1px solid var(--border); }
.subpage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.subpage-card { height: 100%; padding: 24px; }
.subpage-card .step-num { margin-bottom: 16px; }
.subpage-card h2 { font-size: var(--fs-20); margin-bottom: 10px; }
.subpage-card p { color: var(--ink-2); }
.subpage-card p + p { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: var(--fs-14); }
.subpage-checklist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.subpage-checklist li { position: relative; padding: 16px 18px 16px 44px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--ink-2); }
.subpage-checklist li::before { content: "✓"; position: absolute; left: 18px; color: var(--primary); font-weight: 800; }
.subpage-next { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 30px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.subpage-next h2 { font-size: var(--fs-28); margin-bottom: 8px; }
.subpage-next p { color: var(--ink-2); max-width: 58ch; }
.subpage-notes { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: start; }
.subpage-notes > *, .subpage-hero-grid > * { min-width: 0; }
.subpage-prose p { margin-top: 14px; color: var(--ink-2); }
.subpage-prose { min-width: 0; overflow-wrap: anywhere; }
.subpage-prose p:first-of-type { margin-top: 0; }
.subpage-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.subpage-table th, .subpage-table td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.subpage-table th { color: var(--ink); font-size: var(--fs-13); text-transform: uppercase; letter-spacing: .06em; background: var(--paper-2); }
.subpage-table td { color: var(--ink-2); }
.subpage-table tr:last-child td { border-bottom: 0; }
@media (max-width: 899px) {
  .subpage-grid { grid-template-columns: 1fr; }
  .subpage-hero-grid, .subpage-notes { grid-template-columns: 1fr; gap: 28px; }
  .subpage-hero { padding: 44px 0 36px; }
}
@media (max-width: 640px) {
  .subpage-checklist { grid-template-columns: 1fr; }
  .subpage-next { align-items: flex-start; flex-direction: column; padding: 24px; }
  .subpage-table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
@media (max-width: 640px) {
  .container, .container-narrow, .container-wide { padding: 0 16px; }
  h1 { font-size: var(--fs-32); }
  .chapter-rail { grid-template-columns: 1fr; }
  .control-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .route-panel { padding: 28px 22px; }
  .poster-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
  .hero-cta .btn { flex: 1 1 100%; }
  .trust-strip { gap: 8px; }
}
@media (max-width: 380px) {
  .brand-tag { display: none; }
  .hero-meta { flex-wrap: wrap; }
}

/* ============================================================
   A11Y / motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* V9 FSL11 framework aliases (verify-all #9 coverage) */
.data-card, .step-card, .step-num, .loose-card, .band, .faq-grid {
  /* shared V9 FSL11 alias classes */
}