/**
 * 9Reading — Essay stylesheet (reusable cho long-form article)
 *
 * Scope: tất cả selectors dưới .nine-reading-essay để không xung đột với Flatsome.
 * Prefix: .nre- (nine reading essay)
 *
 * Container: 1100px (chuẩn 9Reading, matching /about/ /science/)
 * Prose body: max-width 820px inside container — readable line length cho long-form
 * Visual blocks (pull-quote, examples grid, step cards): extend full container width
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;1,6..72,400;1,6..72,500;1,6..72,600&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ============ CSS VARS + ROOT ============ */
.nine-reading-essay {
  --nre-bg: #FBFAF6;
  --nre-bg-2: #F4EFE2;
  --nre-bg-3: #EFE9D8;
  --nre-ink: #1A1816;
  --nre-ink-2: #2D2A26;
  --nre-ink-3: #3F3A33;
  --nre-mute: #6B6258;
  --nre-mute-2: #8A8076;
  --nre-accent: #C8442C;
  --nre-accent-dark: #A23420;
  --nre-highlight: #FFE34A;
  --nre-green: #2F5D3A;
  --nre-green-light: #E8F0EA;
  --nre-rule: rgba(26, 24, 22, 0.10);
  --nre-rule-2: rgba(26, 24, 22, 0.18);

  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--nre-bg);
  color: var(--nre-ink);
  font-size: 16.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.nine-reading-essay * { box-sizing: border-box; }
.nine-reading-essay ::selection { background: var(--nre-highlight); color: var(--nre-ink); }

/* Reset Flatsome typography defaults that might interfere */
.nine-reading-essay h1,
.nine-reading-essay h2,
.nine-reading-essay h3,
.nine-reading-essay p,
.nine-reading-essay ul,
.nine-reading-essay li {
  margin: 0;
  padding: 0;
}
.nine-reading-essay ul { list-style: none; }

.nine-reading-essay .nre-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ HERO ============ */
.nine-reading-essay .nre-hero {
  padding: 100px 0 72px;
  position: relative;
  overflow: hidden;
}
.nine-reading-essay .nre-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -180px;
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(255, 227, 74, 0.12) 0%, transparent 65%);
  pointer-events: none;
}
.nine-reading-essay .nre-hero::after {
  content: '';
  position: absolute;
  bottom: -160px; left: -140px;
  width: 540px; height: 540px;
  background: radial-gradient(circle, rgba(200, 68, 44, 0.06) 0%, transparent 65%);
  pointer-events: none;
}
.nine-reading-essay .nre-hero-inner { position: relative; z-index: 1; }

.nine-reading-essay .nre-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--nre-mute);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.nine-reading-essay .nre-kicker::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--nre-accent);
}

.nine-reading-essay h1.nre-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.038em;
  line-height: 1.02;
  color: var(--nre-ink);
  margin-bottom: 24px;
  max-width: 980px;
}
.nine-reading-essay h1.nre-title em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--nre-accent);
  font-size: 1.05em;
}
.nine-reading-essay h1.nre-title .nre-mark {
  position: relative;
  display: inline-block;
}
.nine-reading-essay h1.nre-title .nre-mark::before {
  content: '';
  position: absolute;
  left: -4px; right: -4px;
  bottom: 8px;
  height: 22px;
  background: rgba(255, 227, 74, 0.55);
  z-index: -1;
  border-radius: 2px;
}

.nine-reading-essay .nre-sub {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 24px;
  line-height: 1.5;
  color: var(--nre-ink-2);
  max-width: 720px;
  margin-bottom: 36px;
}
.nine-reading-essay .nre-sub strong {
  color: var(--nre-accent);
  font-weight: 500;
}

.nine-reading-essay .nre-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--nre-rule);
  max-width: 720px;
}
.nine-reading-essay .nre-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--nre-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nine-reading-essay .nre-meta-item::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--nre-accent);
}
.nine-reading-essay .nre-meta-item:first-child::before { display: none; }

/* ============ BODY ARTICLE ============ */
.nine-reading-essay .nre-body {
  padding: 56px 0 80px;
}

/* Lead paragraph with drop cap */
.nine-reading-essay .nre-lead {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 23px;
  line-height: 1.55;
  color: var(--nre-ink-2);
  margin-bottom: 56px;
  max-width: 820px;
}
.nine-reading-essay .nre-lead strong { color: var(--nre-ink); font-weight: 600; }
.nine-reading-essay .nre-lead em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  color: var(--nre-accent);
  font-weight: 500;
}
.nine-reading-essay .nre-lead::first-letter {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 4.2em;
  float: left;
  line-height: 0.92;
  margin: 4px 12px -4px -2px;
  color: var(--nre-accent);
}

/* Section headers */
.nine-reading-essay .nre-section { margin-bottom: 64px; }
.nine-reading-essay .nre-section-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--nre-rule-2);
}
.nine-reading-essay .nre-roman {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 44px;
  font-weight: 400;
  color: var(--nre-accent);
  line-height: 1;
  flex-shrink: 0;
}
.nine-reading-essay h2.nre-section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.2;
  color: var(--nre-ink);
}
.nine-reading-essay h2.nre-section-title em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--nre-accent);
  font-size: 1.04em;
}

/* Prose body - constrained for readability inside 1100px container */
.nine-reading-essay .nre-prose {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 19px;
  line-height: 1.75;
  color: var(--nre-ink-2);
  max-width: 820px;
}
.nine-reading-essay .nre-prose p + p { margin-top: 18px; }
.nine-reading-essay .nre-prose strong { color: var(--nre-ink); font-weight: 600; }
.nine-reading-essay .nre-prose em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  color: var(--nre-accent);
  font-weight: 500;
}

/* Questions list (section i) */
.nine-reading-essay .nre-questions-list {
  margin: 22px 0;
  padding-left: 0;
  max-width: 780px;
}
.nine-reading-essay .nre-questions-list li {
  font-family: 'Source Serif 4', Georgia, serif;
  font-style: italic;
  font-size: 17.5px;
  line-height: 1.55;
  color: var(--nre-ink-2);
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid var(--nre-rule);
  list-style: none;
}
.nine-reading-essay .nre-questions-list li:last-child { border-bottom: none; }
.nine-reading-essay .nre-questions-list li::before {
  content: '?';
  position: absolute;
  left: 0;
  top: 10px;
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--nre-accent);
  font-size: 22px;
  line-height: 1.1;
}

/* Pull quote - dark ink card */
.nine-reading-essay .nre-pullquote {
  margin: 36px 0;
  padding: 36px 44px;
  background: var(--nre-ink);
  color: var(--nre-bg);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  max-width: 920px;
}
.nine-reading-essay .nre-pullquote::before {
  content: '';
  position: absolute;
  top: -80px; right: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(255, 227, 74, 0.10) 0%, transparent 65%);
  pointer-events: none;
}
.nine-reading-essay .nre-pullquote-mark {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 72px;
  color: var(--nre-highlight);
  line-height: 0.5;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.nine-reading-essay .nre-pullquote-text {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 24px;
  line-height: 1.5;
  color: var(--nre-bg);
  position: relative;
  z-index: 1;
}
.nine-reading-essay .nre-pullquote-text strong {
  background: linear-gradient(transparent 60%, rgba(255, 227, 74, 0.32) 60%);
  color: var(--nre-bg);
  font-style: italic;
  font-weight: 500;
  padding: 0 2px;
}

/* Examples grid (section ii) - extends full container */
.nine-reading-essay .nre-examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.nine-reading-essay .nre-example {
  padding: 22px 24px;
  background: var(--nre-bg);
  border: 1px solid var(--nre-rule);
  border-radius: 12px;
}
.nine-reading-essay .nre-example-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--nre-accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--nre-rule);
}
.nine-reading-essay .nre-example-skill {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--nre-ink);
  margin-bottom: 8px;
  letter-spacing: -0.008em;
  line-height: 1.4;
}
.nine-reading-essay .nre-example-skill em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  color: var(--nre-accent);
  font-weight: 500;
}
.nine-reading-essay .nre-example-trap {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--nre-mute);
}
.nine-reading-essay .nre-example-trap strong { color: var(--nre-ink-2); font-weight: 600; }

/* Instability stats (section v) */
.nine-reading-essay .nre-instability {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0 16px;
}
.nine-reading-essay .nre-inst-card {
  padding: 20px 22px;
  background: var(--nre-bg-2);
  border: 1px solid var(--nre-rule);
  border-radius: 12px;
  text-align: center;
}
.nine-reading-essay .nre-inst-day {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  color: var(--nre-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.nine-reading-essay .nre-inst-result {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 21px;
  color: var(--nre-ink);
  font-weight: 500;
  line-height: 1.3;
}
.nine-reading-essay .nre-inst-result .good { color: var(--nre-green); }
.nine-reading-essay .nre-inst-result .bad { color: var(--nre-accent); }

/* 5-step solution cards */
.nine-reading-essay .nre-steps {
  display: grid;
  gap: 14px;
  margin: 32px 0 16px;
}
.nine-reading-essay .nre-step {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px 28px;
  background: var(--nre-bg);
  border: 1px solid var(--nre-rule);
  border-radius: 14px;
  transition: all 0.2s;
}
.nine-reading-essay .nre-step:hover {
  border-color: var(--nre-rule-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -16px rgba(26, 24, 22, 0.10);
}
.nine-reading-essay .nre-step-num {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 72px;
  color: var(--nre-accent);
  line-height: 0.85;
  font-weight: 500;
  opacity: 0.85;
}
.nine-reading-essay .nre-step-content {
  padding-top: 8px;
}
.nine-reading-essay .nre-step-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--nre-ink);
  letter-spacing: -0.014em;
  margin-bottom: 10px;
}
.nine-reading-essay .nre-step-title em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  color: var(--nre-accent);
  font-weight: 500;
}
.nine-reading-essay .nre-step-desc {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--nre-ink-2);
  max-width: 760px;
}
.nine-reading-essay .nre-step-desc strong { color: var(--nre-ink); font-weight: 600; }
.nine-reading-essay .nre-step-desc em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  color: var(--nre-accent);
  font-weight: 500;
}

/* ============ FINAL CTA ============ */
.nine-reading-essay .nre-final-wrap {
  padding: 88px 0 100px;
  background: var(--nre-bg-2);
  border-top: 1px solid var(--nre-rule);
}
.nine-reading-essay .nre-final {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 0 32px;
}
.nine-reading-essay .nre-final-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--nre-accent);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.nine-reading-essay .nre-final h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.026em;
  line-height: 1.15;
  color: var(--nre-ink);
  margin-bottom: 22px;
}
.nine-reading-essay .nre-final h2 em {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--nre-accent);
}
.nine-reading-essay .nre-final h2 .nre-mark {
  position: relative;
  display: inline-block;
}
.nine-reading-essay .nre-final h2 .nre-mark::before {
  content: '';
  position: absolute;
  left: -4px; right: -4px;
  bottom: 6px;
  height: 16px;
  background: rgba(255, 227, 74, 0.55);
  z-index: -1;
  border-radius: 2px;
}
.nine-reading-essay .nre-final-sub {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 20px;
  color: var(--nre-ink-2);
  line-height: 1.5;
  margin-bottom: 36px;
}
.nine-reading-essay .nre-final-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* CTA buttons — defensive vs Flatsome <a> styles */
.nine-reading-essay a.nre-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 36px;
  text-decoration: none !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 16px;
  border-radius: 100px;
  transition: all 0.2s;
  background: var(--nre-accent);
  color: var(--nre-bg) !important;
  border: 1.5px solid var(--nre-accent);
  box-shadow: 0 4px 0 var(--nre-accent-dark);
  line-height: 1.2;
}
.nine-reading-essay a.nre-btn-primary:hover {
  background: var(--nre-accent-dark);
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--nre-accent-dark);
  color: var(--nre-bg) !important;
}
.nine-reading-essay a.nre-btn-primary span {
  transition: transform 0.2s;
  display: inline-block;
}
.nine-reading-essay a.nre-btn-primary:hover span { transform: translateX(3px); }

.nine-reading-essay a.nre-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 36px;
  text-decoration: none !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 16px;
  border-radius: 100px;
  transition: all 0.2s;
  background: var(--nre-bg);
  color: var(--nre-ink) !important;
  border: 1.5px solid var(--nre-ink);
  line-height: 1.2;
}
.nine-reading-essay a.nre-btn-secondary:hover {
  background: var(--nre-ink);
  color: var(--nre-bg) !important;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .nine-reading-essay h1.nre-title { font-size: 54px; }
  .nine-reading-essay .nre-sub { font-size: 21px; }
  .nine-reading-essay .nre-prose { font-size: 18px; }
  .nine-reading-essay .nre-lead { font-size: 20px; }
}

@media (max-width: 640px) {
  .nine-reading-essay .nre-container { padding: 0 22px; }
  .nine-reading-essay .nre-hero { padding: 64px 0 48px; }
  .nine-reading-essay h1.nre-title { font-size: 36px; line-height: 1.08; }
  .nine-reading-essay .nre-sub { font-size: 17.5px; }
  .nine-reading-essay .nre-lead { font-size: 18.5px; }
  .nine-reading-essay .nre-lead::first-letter { font-size: 3.6em; }
  .nine-reading-essay .nre-body { padding: 40px 0 60px; }
  .nine-reading-essay .nre-section { margin-bottom: 52px; }
  .nine-reading-essay .nre-section-head { gap: 14px; padding-bottom: 12px; }
  .nine-reading-essay .nre-roman { font-size: 36px; }
  .nine-reading-essay h2.nre-section-title { font-size: 24px; }
  .nine-reading-essay .nre-prose { font-size: 17px; }
  .nine-reading-essay .nre-pullquote { padding: 26px 24px; }
  .nine-reading-essay .nre-pullquote-text { font-size: 19px; }
  .nine-reading-essay .nre-pullquote-mark { font-size: 56px; }
  .nine-reading-essay .nre-examples { grid-template-columns: 1fr; }
  .nine-reading-essay .nre-instability { grid-template-columns: 1fr; }
  .nine-reading-essay .nre-step {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px 24px;
  }
  .nine-reading-essay .nre-step-num { font-size: 48px; }
  .nine-reading-essay .nre-step-content { padding-top: 0; }
  .nine-reading-essay .nre-step-title { font-size: 18px; }
  .nine-reading-essay .nre-final { padding: 0 24px; }
  .nine-reading-essay .nre-final h2 { font-size: 28px; }
  .nine-reading-essay .nre-final-sub { font-size: 17px; }
  .nine-reading-essay .nre-final-wrap { padding: 56px 0 72px; }
}