/* ══════════════════════════════════════════════
   components.css — shared essay/framework styles v3
   ══════════════════════════════════════════════ */

/* ── Hero Atoms ── */
.hero-kicker {
  font-family: 'JetBrains Mono', monospace; font-size: 0.55rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink);
  margin-bottom: 1.1rem; display: flex; align-items: center; gap: 0.75rem;
}
.hero-kicker::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--ink); }
.hero-byline { display: flex; align-items: center; gap: 0.75rem; }
.hero-byline-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-byline-text { font-family: 'JetBrains Mono', monospace; font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.hero-subtitle {
  color: var(--ink-2);
  text-wrap: pretty;
}
.hero-main,
.hero > div:first-child {
  position: relative;
  z-index: 1;
}
.hero-svg,
.hero-illustration,
.hero-stamp {
  opacity: 0.88;
}

/* Hero stagger */
.hero .hero-kicker, .hero .hero-title, .hero .hero-subtitle, .hero .hero-byline, .hero .hero-tag {
  opacity: 0; transform: translateY(8px);
  animation: heroReveal 0.5s cubic-bezier(0,0,0.2,1) forwards;
}
.hero .hero-kicker { animation-delay: 0.1s; }
.hero .hero-title { animation-delay: 0.2s; }
.hero .hero-subtitle { animation-delay: 0.3s; }
.hero .hero-byline { animation-delay: 0.4s; }
.hero .hero-tag { animation-delay: 0.5s; }

/* ── Chapter Divider ── */
.chapter-divider {
  max-width: 1040px; margin: 0 auto; padding: 0 4rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.chapter-divider-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, rgba(20,20,20,0.18), transparent); }
.chapter-divider-ornament { font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; color: var(--muted); display: flex; gap: 0.4rem; text-transform: uppercase; letter-spacing: 0.12em; }

/* ── Section Map ── */
.section-map-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 4rem 2.6rem;
}
.section-map {
  border: 1px solid var(--rule);
  background: var(--surface-1);
}
.section-map-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.48rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-map-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}
.section-map-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  border-top: 1px solid var(--border-light);
}
.section-map-item:nth-child(odd) {
  border-right: 1px solid var(--border-light);
}
.section-map-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--rule);
}
.section-map-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.44rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}
.section-map-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--ink);
}
.section-map-item:hover {
  background: color-mix(in srgb, var(--accent-light) 72%, var(--paper));
}
.section-map-item:hover .section-map-num,
.section-map-item:hover .section-map-title {
  color: var(--accent);
}

/* ── Section ── */
.section-badge { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.section-icon {
  width: 44px; height: 44px; border: 1px solid var(--rule);
  background: var(--surface-1); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
  transition: border-color 0.18s, background-color 0.18s;
  border-radius: var(--radius-sm);
}
.section-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.section:hover .section-icon {
  border-color: var(--accent);
  background: var(--surface-2);
}
.section-meta { display: flex; flex-direction: column; gap: 0.2rem; }
.section-number { font-family: 'JetBrains Mono', monospace; font-size: 0.5rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.56rem;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.section-rule {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, color-mix(in srgb, var(--accent) 18%, transparent), var(--rule) 34%, transparent);
  margin-bottom: 1.55rem;
}

/* Section body typography */
.section-body p {
  margin-bottom: 1.5rem;
  font-size: 1.02rem;
  line-height: 1.84;
  text-align: left;
  hyphens: auto;
  color: var(--ink);
  max-width: 68ch;
}
.section-body a,
.essay-section a,
.arg-body a,
.intro-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 42%, transparent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.16em;
}
.section-body a:hover,
.essay-section a:hover,
.arg-body a:hover,
.intro-body a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent);
}
.section-body p:last-child { margin-bottom: 0; }
.section-body p:first-of-type::first-letter {
  font-family: 'Space Grotesk', sans-serif; font-size: 3.1rem; font-weight: 900;
  float: left; line-height: 0.72; margin-right: 0.08em; margin-top: 0.1em; color: var(--accent);
}

/* ── Pull Quote ── */
.pull-quote {
  margin: 2.8rem 0;
  padding: 1.85rem 0 1.7rem 1.85rem;
  border: none;
  border-left: 2px solid var(--accent);
  background: transparent;
  border-radius: 0;
  position: relative;
  box-shadow: none;
}
.pull-quote::before {
  content: '\201C'; font-family: 'Space Grotesk', sans-serif; font-size: 4.2rem;
  color: var(--accent); opacity: 0.16; position: absolute; top: -0.45rem; left: 0.7rem; line-height: 1;
}
.pull-quote p {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.12rem; font-style: italic;
  line-height: 1.48; color: var(--deep); margin: 0 !important; text-align: left !important;
  position: relative; z-index: 1;
}
.pull-quote p::first-letter { float: none !important; font-size: inherit !important; color: inherit !important; margin: 0 !important; }

/* ── Margin Note ── */
.margin-note {
  float: right; width: 140px; margin: 0 -160px 1rem 1.5rem;
  font-family: 'Epilogue', sans-serif; font-size: 0.58rem; line-height: 1.6;
  font-style: italic;
  color: var(--muted); border-left: 2px solid var(--rule); padding-left: 0.75rem;
  opacity: 0.95;
}
@media (max-width: 900px) { .margin-note { display: none; } }

@media (max-width: 900px) {
  .section-map-wrap {
    padding: 0 1.5rem 2rem;
  }
  .section-map-grid {
    grid-template-columns: 1fr;
  }
  .section-map-item:nth-child(odd) {
    border-right: none;
  }
}

/* ── Closing Block ── */
.closing {
  margin-top: 4.4rem; padding: 2.9rem 2.1rem; border: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
  text-align: center; position: relative; overflow: hidden;
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius-md);
}
.closing::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 100%, var(--accent-light) 0%, transparent 70%); pointer-events: none; }
.closing-ornament-top { font-family: 'Space Grotesk', sans-serif; font-size: 0.82rem; color: var(--muted); margin-bottom: 1.1rem; opacity: 0.6; letter-spacing: 0.16em; text-transform: uppercase; }
.closing p {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.1rem; font-style: italic;
  line-height: 1.64; max-width: 30rem; margin: 0 auto 0.9rem;
  text-align: center !important; position: relative; z-index: 1;
}
.closing p::first-letter { float: none !important; font-size: inherit !important; color: inherit !important; margin: 0 !important; }
.closing-ornament-bottom { margin-top: 1.2rem; font-family: 'JetBrains Mono', monospace; font-size: 0.5rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }

/* ── Paper Navigation ── */
.paper-nav {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 4rem 5.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: stretch;
}
.paper-nav-next, .paper-nav-prev, .paper-nav-link {
  display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none;
  color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 0.55rem;
  letter-spacing: 0.15em; text-transform: uppercase; transition: color 0.2s, border-color 0.2s, background-color 0.2s;
  border: 1px solid var(--border-light);
  background: var(--surface-1);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
}
.paper-nav-next:hover, .paper-nav-prev:hover, .paper-nav-link:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent-light) 88%, var(--paper));
}
.paper-nav-next svg, .paper-nav-prev svg, .paper-nav-link svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.paper-nav-back {
  display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none;
  color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 0.55rem;
  letter-spacing: 0.15em; text-transform: uppercase; padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-light); background: var(--surface-1);
  border-radius: var(--radius-sm);
}
.paper-nav-back svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.5; }

body.series-ayp .series-nav,
body.series-ayp .series-preview {
  border-top: 2px solid var(--accent);
  background: linear-gradient(180deg, var(--surface-1), transparent);
}

body.series-ayp .series-nav-label,
body.series-ayp .series-preview-label {
  color: var(--accent);
  letter-spacing: 0.18em;
}

body.series-ayp .series-list li,
body.series-ayp .series-item {
  border-top: 1px solid var(--border-light);
  padding-top: 0.45rem;
}

body.series-nf .hero,
body.series-nf .section,
body.series-nf .closing {
  position: relative;
}

body.series-nf .section-badge .section-icon,
body.series-nf .construct-def,
body.series-nf .moves-diagram,
body.series-nf .closing {
  border-color: var(--border);
}

body.series-nf .closing {
  background: var(--surface-accent);
}

body.series-nf .chapter-divider-line {
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

body.series-foundation .concept,
body.series-foundation .questions-block,
body.series-foundation .speed-grid,
body.series-foundation .closing {
  border-color: var(--border);
}

body.series-foundation .concept,
body.series-foundation .closing {
  background: var(--surface-accent);
}

body.series-foundation .chapter-divider-line {
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

/* ── Card-like shared blocks ── */
.definition-block,
.moves-diagram,
.data-table-wrap,
.prediction-item,
.risk-item,
.works-grid,
.service-grid,
.writing-links {
  box-shadow: none;
}
.construct-def,
.intro-note,
.arg-what-breaks,
.arg-rupture {
  box-shadow: none;
}
.argument,
.essay-section,
.section {
  position: relative;
}
.section,
.essay-section,
.argument {
  scroll-margin-top: 5.5rem;
}
.argument:hover .arg-title,
.essay-section:hover .section-header-title,
.section:hover .section-title {
  color: var(--accent);
}
.arg-connects a,
.writing-links a {
  transition: color 0.18s, text-decoration-color 0.18s;
}
.arg-connects a:hover,
.writing-links a:hover {
  transform: none;
}

/* ── Fade-in / Scroll Reveal ── */
.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.4s cubic-bezier(0,0,0.2,1), transform 0.4s cubic-bezier(0,0,0.2,1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Mobile ── */
@media (max-width: 640px) {
  .chapter-divider { padding: 0 1.5rem; }
  .paper-nav { padding-left: 1.5rem; padding-right: 1.5rem; }
}