/* ==============================================
   PARTIAL DEDUCTION — SAMPLE (READER)
   Long-form editorial reading layout
   ============================================== */

main { padding-top: var(--nav-h); }

/* ========== SAMPLE HERO ========== */
.sample-hero {
  padding: clamp(60px, 10vw, 110px) 0 clamp(40px, 6vw, 70px);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.sample-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 700px 400px at 30% 50%, rgba(196,30,30,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.sample-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 900px) {
  .sample-hero-grid { grid-template-columns: 1fr; gap: 32px; }
}

.sample-crumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.sample-crumb a {
  color: var(--text-dim);
  transition: color .2s;
}
.sample-crumb a:hover { color: var(--red); }
.sample-crumb .sep {
  width: 18px;
  height: 1px;
  background: var(--border-2);
}

.sample-chapter-num {
  font-family: var(--f-display);
  font-size: clamp(80px, 14vw, 200px);
  color: var(--red);
  line-height: 0.85;
  letter-spacing: 2px;
  opacity: 0.18;
  margin-bottom: 8px;
  display: block;
}
.sample-eyebrow {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3.5px;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.sample-title {
  font-family: var(--f-display);
  font-size: clamp(56px, 7.5vw, 104px);
  line-height: 0.92;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 28px;
}
.sample-deck {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.65;
  color: var(--cream);
  max-width: 540px;
  padding-left: 20px;
  border-left: 2px solid var(--red);
}

.sample-meta {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sample-meta-item {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.sample-meta-lbl {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  min-width: 96px;
  flex-shrink: 0;
}
.sample-meta-val {
  font-size: 14px;
  color: var(--text);
  font-weight: 400;
}
.sample-meta-val strong { color: var(--red); font-weight: 600; }

/* ========== THE ARTICLE ========== */
.article {
  padding: clamp(50px, 8vw, 90px) 0 clamp(60px, 10vw, 110px);
  position: relative;
}

.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.article-body {
  font-family: 'Lora', Georgia, serif;
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255,255,255,0.82);
  font-weight: 400;
}

.article-body > p:first-of-type::first-letter {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: 80px;
  float: left;
  line-height: 0.9;
  padding: 6px 14px 0 0;
  color: var(--red);
}

.article-body p {
  margin-bottom: 26px;
}

.article-body p + p { text-indent: 0; }

.article-body strong, .article-body b {
  color: #fff;
  font-weight: 700;
}

.article-body em, .article-body i {
  color: var(--cream);
  font-style: italic;
}

.article-body h2 {
  font-family: var(--f-display);
  font-size: 28px;
  letter-spacing: 3px;
  color: #fff;
  text-transform: uppercase;
  margin: 60px 0 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  position: relative;
}
.article-body h2::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 48px; height: 2px;
  background: var(--red);
}

.article-body blockquote {
  margin: 40px 0;
  padding: 22px 0 22px 28px;
  border-left: 3px solid var(--red);
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.6;
  color: var(--cream);
}

.article-ornament {
  text-align: center;
  margin: 50px 0;
  color: var(--red);
  letter-spacing: 12px;
  font-size: 14px;
  opacity: 0.5;
}
.article-ornament::before { content: '◆ ◆ ◆'; }

/* ========== END-OF-SAMPLE CTA ========== */
.sample-end {
  margin: 80px 0 0;
  padding: 48px 40px;
  background: linear-gradient(135deg, var(--bg-2) 0%, rgba(196,30,30,0.06) 100%);
  border: 1px solid var(--border);
  border-left: 4px solid var(--red);
  position: relative;
  overflow: hidden;
}
.sample-end::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(196,30,30,0.15), transparent 70%);
  pointer-events: none;
}
.sample-end-eyebrow {
  font-family: var(--f-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sample-end-head {
  font-family: var(--f-display);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 18px;
}
.sample-end-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 560px;
  font-family: var(--f-body);
  font-weight: 300;
}
.sample-end-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== CHAPTER NAV ========== */
.chapter-nav {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 700px) { .chapter-nav { grid-template-columns: 1fr; } }

.chapter-nav-item {
  padding: 24px 26px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all .25s var(--ease);
  font-family: var(--f-body);
}
.chapter-nav-item:hover {
  border-color: var(--red);
  background: rgba(196,30,30,0.03);
}
.chapter-nav-item .dir {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--text-dim);
  text-transform: uppercase;
}
.chapter-nav-item .title {
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: 1.5px;
  color: #fff;
}
.chapter-nav-item.next { text-align: right; }
.chapter-nav-item.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ==========================================
   MOBILE OPTIMIZATION — SAMPLE PAGE
   ========================================== */

@media (max-width: 900px) {
  .sample-hero { padding: 40px 0 40px; }
  .sample-title { font-size: clamp(42px, 10vw, 72px); }
  .sample-chapter-num { font-size: clamp(72px, 16vw, 140px); }
  .sample-deck { font-size: 16px; padding-left: 14px; }
  .sample-meta-item { padding-bottom: 14px; }
  .sample-meta-lbl { min-width: 80px; font-size: 9px; }
  .sample-meta-val { font-size: 13px; }

  .article { padding: 40px 0 70px; }
  .article-body { font-size: 17px; line-height: 1.8; }
  .article-body > p:first-of-type::first-letter {
    font-size: 64px;
    padding: 4px 10px 0 0;
  }
  .article-body h2 { font-size: 24px; margin: 48px 0 22px; }
  .article-body blockquote { font-size: 17px; margin: 32px 0; padding: 18px 0 18px 22px; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }

  .sample-hero { padding: 32px 0 28px; }
  .sample-title { font-size: clamp(36px, 11vw, 60px); letter-spacing: 1px; }
  .sample-chapter-num { font-size: clamp(60px, 18vw, 120px); }
  .sample-eyebrow { font-size: 10px; letter-spacing: 2.5px; }
  .sample-deck { font-size: 15px; line-height: 1.6; }
  .sample-crumb { font-size: 9px; letter-spacing: 2px; }
  .sample-crumb .sep { width: 12px; }

  .sample-meta { gap: 18px; }
  .sample-meta-item {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
  .sample-meta-lbl { min-width: auto; }

  .article { padding: 32px 0 60px; }
  .article-body { font-size: 16px; }
  .article-body > p:first-of-type::first-letter {
    font-size: 52px;
    padding: 2px 8px 0 0;
  }
  .article-body h2 { font-size: 20px; letter-spacing: 2px; margin: 40px 0 18px; }
  .article-body blockquote { font-size: 15px; margin: 28px 0; padding: 14px 0 14px 18px; }

  .sample-end { padding: 32px 24px; margin-top: 56px; }
  .sample-end-head { font-size: clamp(26px, 8vw, 40px); letter-spacing: 1.5px; }
  .sample-end-text { font-size: 14px; }
  .sample-end-ctas { flex-direction: column; }
  .sample-end-ctas .btn { width: 100%; justify-content: center; }

  .chapter-nav-item { padding: 18px 20px; }
  .chapter-nav-item .title { font-size: 18px; }
}

@media (max-width: 375px) {
  .sample-title { font-size: 36px; }
  .sample-chapter-num { font-size: 64px; }
  .article-body { font-size: 15.5px; }
  .article-body > p:first-of-type::first-letter { font-size: 44px; padding: 0 8px 0 0; }
}