/* ============================================================
   LetsGame — editorial gaming guide (Factory V9)
   Layout 143 (Niche News Portal) + Homepage 077 + Menu 068
   Color LIGHT_COLOR_007 + Typography 001 + CTA 017
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, svg, video { max-width: 100%; display: block; }
img { height: auto; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 var(--s-4);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

h1 { font-size: 56px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.05; }
h2 { font-size: 32px; font-weight: 700; }
h3 { font-size: 22px; font-weight: 600; }
h4 { font-size: 18px; font-weight: 600; }
p  { margin: 0 0 var(--s-4); color: var(--ink); }

.lead { font-size: 22px; line-height: 1.55; color: var(--ink-muted); max-width: 760px; }
.eyebrow { font-family: var(--font-body); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--primary); font-weight: 600; }
.muted { color: var(--ink-muted); }
.last-checked { font-size: 13px; color: var(--ink-soft); font-style: italic; }

.skip-link {
  position: absolute; left: -9999px; top: -9999px;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--r-2);
  z-index: 9999;
}
.skip-link:focus { left: 8px; top: 8px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-1);
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--s-6); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-6); }
.container-readable { max-width: var(--container-readable); margin: 0 auto; padding: 0 var(--s-6); }

/* ============================================================
   HEADER (docked, sticky)
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  /* backdrop-filter is expensive on mobile GPU; rely on solid translucent
     background so repaint cost stays low. Desktop keeps the blur for shine. */
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
}
@media (min-width: 900px) {
  .site-header {
    backdrop-filter: saturate(180%) blur(10px);
  }
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-6);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--s-6);
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 18px;
  letter-spacing: -0.02em;
}
.brand-name { font-weight: 700; }
.brand-tag { font-size: 12px; color: var(--ink-muted); font-weight: 400; letter-spacing: 0.05em; text-transform: uppercase; }

.primary-nav { display: flex; align-items: center; gap: var(--s-6); }
.primary-nav a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}
.primary-nav a:hover { color: var(--primary); text-decoration: none; }
.primary-nav a[aria-current="page"] { color: var(--primary); }
.primary-nav a[aria-current="page"]::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--primary); border-radius: 1px;
}

.header-cta {
  display: flex; align-items: center; gap: var(--s-3);
}

/* ============================================================
   BUTTONS (CTA pair)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--r-3);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--t-2) var(--ease), border-color var(--t-2) var(--ease), color var(--t-2) var(--ease), transform var(--t-2) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-ink); border-color: var(--primary-ink); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }
.btn-affiliate {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-affiliate:hover { background: #8438a7; border-color: #8438a7; text-decoration: none; }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-lg { padding: 14px 26px; font-size: 16px; }

.cta-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
}
.cta-inline::after { content: '→'; transition: transform var(--t-2) var(--ease); }
.cta-inline:hover::after { transform: translateX(2px); }
.cta-inline:hover { text-decoration: none; }

/* ============================================================
   HAMBURGER + DRAWER
   ============================================================ */
.hamburger {
  display: none;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: var(--z-hamburger);
  padding: 0;
}
.hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--ink);
  border-radius: 1px;
  margin: 3px 0;
  transition: background var(--t-2) var(--ease);
}
.hamburger:hover { background: var(--surface-2); }

.mobile-drawer {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--surface);
  z-index: var(--z-drawer);
  padding: calc(var(--header-h) + var(--s-5)) var(--s-6) var(--s-8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-drawer.is-open { display: block; }
.mobile-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-drawer nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 2px;
}
.mobile-drawer nav a {
  display: block;
  padding: 14px 12px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
  border-radius: var(--r-3);
  border-bottom: 1px solid var(--hairline);
}
.mobile-drawer nav a:hover { background: var(--surface-2); text-decoration: none; }
.mobile-drawer .drawer-cta {
  margin-top: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.mobile-drawer .drawer-cta .btn { width: 100%; }

/* ============================================================
   HERO — typographic-poster (homepage)
   ============================================================ */
.hero {
  background: var(--background);
  padding: var(--s-11) 0 var(--s-10);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 420px);
  gap: var(--s-9);
  align-items: end;
}
.hero-poster { display: flex; flex-direction: column; gap: var(--s-5); }
.hero-numerals {
  display: flex; gap: var(--s-4); align-items: baseline;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.hero-numerals span { display: inline-flex; align-items: center; gap: var(--s-2); }
.hero-numerals span::after {
  content: ''; width: 28px; height: 1px; background: var(--rule); display: inline-block;
}
.hero-numerals span:last-child::after { display: none; }

.hero h1 {
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0;
  max-width: 760px;
}
.hero-subline {
  font-size: 22px;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 680px;
  margin: 0;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: var(--s-3);
  margin-top: var(--s-5);
}
.hero-trust {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  font-size: 14px;
  align-self: end;
  box-shadow: var(--shadow-card);
}
.hero-trust dt { font-size: 12px; color: var(--ink-soft); letter-spacing: 0.08em; text-transform: uppercase; margin-top: var(--s-3); font-weight: 600; }
.hero-trust dt:first-child { margin-top: 0; }
.hero-trust dd { margin: 0; color: var(--ink); font-weight: 600; font-size: 15px; }

/* ============================================================
   FEATURE BAND — chapter intro lead
   ============================================================ */
.chapter-intro {
  padding: var(--s-10) 0 var(--s-8);
  background: var(--background-warm);
  border-bottom: 1px solid var(--border);
}
.chapter-intro .container { max-width: var(--container-readable); }
.chapter-intro p { font-size: 22px; line-height: 1.55; color: var(--ink); margin-bottom: var(--s-4); }
.chapter-intro p:last-child { margin-bottom: 0; }

/* ============================================================
   SESSION-LENGTH TILE BAR (NOT three equal cards)
   ============================================================ */
.session-bar {
  padding: var(--s-9) 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.session-bar h2 { font-size: 28px; margin-bottom: var(--s-5); }
.session-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--s-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.session-tile {
  display: flex;
}
.session-tile > a {
  flex: 1 1 auto;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-5) var(--s-4);
  text-align: left;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  position: relative;
  transition: border-color var(--t-2) var(--ease), background var(--t-2) var(--ease), transform var(--t-2) var(--ease);
}
.session-tile > a:hover { border-color: var(--primary); text-decoration: none; transform: translateY(-2px); background: var(--surface); }
.session-tile .bar {
  height: 6px; background: var(--surface-3); border-radius: 3px; overflow: hidden;
}
.session-tile .bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; }
.session-tile .icon { font-size: 22px; }
.session-tile .label { font-weight: 600; font-size: 15px; }
.session-tile .meta { font-size: 13px; color: var(--ink-muted); line-height: 1.4; }

/* ============================================================
   CHAPTER BLOCK — section with left-rail numeral + content
   ============================================================ */
.chapter {
  padding: var(--s-10) 0;
  border-bottom: 1px solid var(--hairline);
  scroll-margin-top: var(--header-h);
}
.chapter.tinted { background: var(--background-warm); }
.chapter-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-8);
  align-items: start;
}
.chapter-numeral {
  position: sticky;
  top: calc(var(--header-h) + var(--s-6));
  width: 200px;
  height: 160px;
  display: block;
  pointer-events: none;
}
.chapter-numeral img {
  width: 200px;
  height: 160px;
  display: block;
}
.chapter-body { min-width: 0; }
.chapter-body h2 { font-size: 36px; margin-bottom: var(--s-3); letter-spacing: -0.02em; }
.chapter-body .eyebrow { display: block; margin-bottom: var(--s-2); }
.chapter-body p { font-size: 18px; line-height: 1.7; }

/* ============================================================
   ANNOTATED TABLE (comparison snapshot)
   ============================================================ */
.cmp-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  background: var(--surface);
  overflow: hidden;
  margin: var(--s-6) 0;
}
.cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
  min-width: 720px;
}
.cmp-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp-table thead { background: var(--surface-2); }
.cmp-table th, .cmp-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
.cmp-table th { font-weight: 600; color: var(--ink); font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; }
.cmp-table tbody tr:last-child td { border-bottom: 0; }
.cmp-table tbody tr:hover { background: var(--surface-2); }
.cmp-table .check { color: var(--success); font-weight: 700; }
.cmp-table .cross { color: var(--ink-soft); font-weight: 700; }
.cmp-table .note { font-size: 13px; color: var(--ink-muted); }

/* ============================================================
   VERTICAL TIMELINE (beginner pathway)
   ============================================================ */
.timeline {
  position: relative;
  margin: var(--s-6) 0;
  padding-left: var(--s-7);
}
.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 18px;
  width: 2px;
  background: var(--rule);
}
.timeline-item {
  position: relative;
  padding-bottom: var(--s-7);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -27px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--background);
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-step {
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.timeline-item h3 { font-size: 20px; margin-bottom: 6px; }
.timeline-item p { font-size: 17px; line-height: 1.65; margin: 0; }

/* ============================================================
   Q&A prose (no accordion cards)
   ============================================================ */
.qa {
  border-top: 1px solid var(--hairline);
  padding: var(--s-6) 0 var(--s-7);
}
.qa:last-child { border-bottom: 1px solid var(--hairline); }
.qa h3 { font-size: 19px; margin-bottom: var(--s-3); color: var(--ink); font-weight: 700; }
.qa p { font-size: 17px; line-height: 1.7; margin: 0; }

/* ============================================================
   UPDATE TIMELINE (latest updates)
   ============================================================ */
.update-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
}
.update-item {
  border-top: 1px solid var(--hairline);
  padding: var(--s-5) 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--s-5);
  align-items: baseline;
}
.update-item:last-child { border-bottom: 1px solid var(--hairline); }
.update-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
  font-weight: 500;
}
.update-body h3 { font-size: 18px; margin: 0 0 6px; }
.update-body p { font-size: 16px; line-height: 1.65; color: var(--ink-muted); margin: 0; }
.update-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* ============================================================
   SIDE NOTES RAIL (last-checked dates)
   ============================================================ */
.side-notes {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: var(--s-5);
  margin: var(--s-6) 0;
}
.side-notes h3 { font-size: 14px; color: var(--ink-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--s-3); font-weight: 600; }
.side-notes ul { list-style: none; margin: 0; padding: 0; }
.side-notes li {
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
  display: flex; justify-content: space-between; gap: var(--s-3);
}
.side-notes li:last-child { border-bottom: 0; }
.side-notes .note-text { color: var(--ink); }
.side-notes .note-date { color: var(--ink-soft); font-family: var(--font-mono); font-size: 12px; white-space: nowrap; }

/* ============================================================
   RESPONSIBLE PLAY CALLOUT
   ============================================================ */
.responsible-callout {
  background: var(--accent-soft);
  border: 1px solid #E0BFEC;
  border-left: 4px solid var(--accent);
  border-radius: var(--r-3);
  padding: var(--s-6) var(--s-7);
  margin: var(--s-7) 0;
}
.responsible-callout h3 { color: var(--ink); margin-bottom: var(--s-2); }
.responsible-callout p { font-size: 17px; line-height: 1.65; color: var(--ink); margin: 0; }

/* ============================================================
   FINAL CTA pair
   ============================================================ */
.final-cta {
  background: var(--background-elev);
  padding: var(--s-10) 0;
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
  text-align: center;
}
.final-cta h2 { font-size: 32px; margin-bottom: var(--s-3); }
.final-cta p { font-size: 18px; color: var(--ink-muted); max-width: 620px; margin: 0 auto var(--s-5); }
.final-cta .cta-pair { display: inline-flex; flex-wrap: wrap; gap: var(--s-3); justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: #D7DFEC;
  padding: var(--s-10) 0 var(--s-6);
  border-top: 1px solid var(--ink);
  font-size: 15px;
  line-height: 1.6;
}
.site-footer a { color: #D7DFEC; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: var(--s-7);
  margin-bottom: var(--s-7);
}
.footer-brand .brand { color: #fff; }
.footer-brand p { color: var(--ink-light); font-size: 14px; margin-top: var(--s-3); max-width: 320px; }
.footer-col h3 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; margin-bottom: var(--s-3); font-weight: 600; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: var(--ink-light); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #2C3A52;
  padding-top: var(--s-5);
  display: flex; justify-content: space-between; align-items: center; gap: var(--s-5); flex-wrap: wrap;
  font-size: 13px; color: var(--ink-light);
}
.footer-bottom .footer-meta { display: flex; gap: var(--s-5); }
.footer-bottom .footer-manifesto {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 120px;
  line-height: 0.85;
  color: #fff;
  opacity: 0.06;
  letter-spacing: -0.05em;
  margin: var(--s-7) 0 var(--s-5);
  text-align: center;
}

/* ============================================================
   PAGE BANNER (sub-pages)
   ============================================================ */
.page-banner {
  background: var(--background-warm);
  border-bottom: 1px solid var(--border);
  padding: var(--s-9) 0 var(--s-8);
  scroll-margin-top: var(--header-h);
}
.page-banner .eyebrow { display: block; margin-bottom: var(--s-3); }
.page-banner h1 { font-size: 48px; max-width: 800px; margin: 0 0 var(--s-3); letter-spacing: -0.02em; }
.page-banner .lead { font-size: 20px; max-width: 720px; }
.page-banner .banner-meta {
  display: flex; gap: var(--s-5); margin-top: var(--s-5);
  font-size: 13px; color: var(--ink-muted);
  border-top: 1px solid var(--border); padding-top: var(--s-4);
  flex-wrap: wrap;
}
.page-banner .banner-meta strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   ARTICLE BODY (long-form content)
   ============================================================ */
.article-body {
  padding: var(--s-9) 0;
  background: var(--background);
}
.article-body .container { max-width: var(--container-readable); }
.article-body h2 { font-size: 28px; margin: var(--s-7) 0 var(--s-3); scroll-margin-top: var(--header-h); }
.article-body h3 { font-size: 20px; margin: var(--s-5) 0 var(--s-2); }
.article-body p, .article-body li { font-size: 18px; line-height: 1.75; color: var(--ink); }
.article-body ul, .article-body ol { padding-left: var(--s-5); margin: 0 0 var(--s-5); }
.article-body li { margin-bottom: 6px; }
.article-body figure { margin: var(--s-6) 0; }
.article-body figure img { border-radius: var(--r-3); border: 1px solid var(--border); }
.article-body figcaption { font-size: 13px; color: var(--ink-muted); margin-top: var(--s-2); text-align: center; }
.article-body hr { border: 0; border-top: 1px solid var(--hairline); margin: var(--s-7) 0; }

/* ============================================================
   PULL QUOTE / CALLOUT (in body)
   ============================================================ */
.pull-quote {
  border-left: 4px solid var(--primary);
  padding: var(--s-4) var(--s-6);
  margin: var(--s-6) 0;
  font-size: 21px;
  line-height: 1.55;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 500;
  background: var(--primary-soft);
  border-radius: 0 var(--r-3) var(--r-3) 0;
}
.callout {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-5) var(--s-6);
  margin: var(--s-6) 0;
}
.callout h4 { color: var(--ink); margin-bottom: var(--s-2); font-size: 16px; }
.callout p { margin: 0; font-size: 16px; line-height: 1.65; color: var(--ink-muted); }

/* ============================================================
   RELATED-POST RAIL
   ============================================================ */
.related-rail {
  background: var(--background-warm);
  padding: var(--s-9) 0;
  border-top: 1px solid var(--border);
}
.related-rail h2 { font-size: 24px; margin-bottom: var(--s-5); }
.related-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: var(--s-5);
  display: flex; flex-direction: column; gap: var(--s-3);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--t-2) var(--ease), transform var(--t-2) var(--ease);
}
.related-card:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.related-card .related-eyebrow { font-size: 12px; color: var(--primary); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.related-card h3 { font-size: 17px; margin: 0; line-height: 1.35; }
.related-card p { font-size: 14px; color: var(--ink-muted); margin: 0; line-height: 1.5; }

/* ============================================================
   INFO CARD ROW (data card, step card)
   ============================================================ */
.info-card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  margin: var(--s-6) 0;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--s-5);
}
.info-card .info-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.info-card h3 { font-size: 17px; margin: 0 0 6px; }
.info-card p { font-size: 15px; color: var(--ink-muted); margin: 0; line-height: 1.55; }

/* ============================================================
   TRUST BAR — verification line
   ============================================================ */
.trust-bar {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: var(--s-4) 0;
  font-size: 13px;
  color: var(--ink-muted);
}
.trust-bar .container { display: flex; justify-content: space-between; gap: var(--s-5); flex-wrap: wrap; }
.trust-bar strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   FOOTER MANIFESTO (oversized signature repeats)
   ============================================================ */
.manifesto {
  text-align: center;
  margin: var(--s-9) 0 var(--s-5);
  pointer-events: none;
  user-select: none;
  display: block;
}
.manifesto img {
  width: min(1200px, 90vw);
  height: auto;
  display: inline-block;
}

/* ============================================================
   MOBILE STICKY CTA (single, full-width, PLAY NOW)
   ============================================================ */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--s-2) var(--s-3) calc(var(--s-2) + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-sticky-cta);
  box-shadow: 0 -2px 8px rgba(27, 38, 56, 0.06);
}
.mobile-sticky-cta .btn {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  min-height: 48px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1199px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .hero-trust { max-width: 520px; align-self: start; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
}
@media (max-width: 899px) {
  body { font-size: 17px; padding-bottom: 72px; }
  h1 { font-size: 36px; }
  .hero { padding: var(--s-9) 0 var(--s-8); min-height: 480px; max-height: 720px; }
  .hero h1 { font-size: 36px; }
  .hero-subline { font-size: 18px; }
  .hero-trust { display: none; }

  .primary-nav, .header-cta .btn-affiliate { display: none; }
  .hamburger { display: inline-flex; }
  .header-cta .btn-ghost { display: none; }

  .chapter { padding: var(--s-8) 0; }
  .chapter-grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .chapter-numeral {
    position: static;
    width: 120px;
    height: 96px;
    margin-bottom: var(--s-3);
  }
  .chapter-numeral img {
    width: 120px;
    height: 96px;
  }
  .chapter-body h2 { font-size: 26px; }

  .session-grid { grid-template-columns: repeat(2, 1fr); }
  .info-card-row { grid-template-columns: 1fr; }
  .related-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-5); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .manifesto img { width: min(720px, 90vw); }

  .page-banner { padding: var(--s-7) 0 var(--s-6); }
  .page-banner h1 { font-size: 32px; }
  .page-banner .lead { font-size: 18px; }

  .final-cta h2 { font-size: 26px; }
  .final-cta { padding: var(--s-7) 0; }

  .mobile-sticky-cta { display: block; }
  .mobile-sticky-cta.hidden { display: none; }

  .article-body h2 { font-size: 24px; }
  .article-body p, .article-body li { font-size: 17px; }
}
@media (max-width: 599px) {
  .session-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero-numerals { font-size: 16px; }
  .hero-numerals span::after { width: 18px; }
  .container, .container-narrow, .container-readable { padding: 0 var(--s-4); }
  .manifesto img { width: min(480px, 90vw); }

  /* single persistent CTA on mobile: the sticky bottom bar
     hides the redundant header 'Play now' button to keep the
     header within 320-px viewports. */
  .header-cta .btn-primary { display: none; }
  .header-cta { gap: 8px; }
  .header-inner { gap: var(--s-3); padding: 0 var(--s-4); }
  .brand-tag { display: none; }
}
@media (max-width: 379px) {
  .hero h1 { font-size: 28px; letter-spacing: -0.02em; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .header-cta { gap: 6px; }
  .brand-tag { display: none; }
  .manifesto img { width: min(360px, 90vw); }
}

/* WCAG link-in-text-block: underline links when surrounded by prose text */
.chapter-body ul li a,
.chapter-body ol li a,
.side-notes a,
.related-list a,
.article-body a,
.prose a {
  text-decoration: underline;
  text-underline-offset: 2px;
}
