/* ============================================================
   landing.css — Sanctuary Landing Page
   Books + Chapter Cards layout
   ============================================================ */


/* ── LANDING PAGE OVERRIDES ── */

body.landing-page { margin: 0; padding: 0; }
.landing-page .reveal { opacity: 1; transform: none; }
.landing-page .sidebar         { display: none; }
.landing-page .sidebar-overlay { display: none; }
.landing-page .nav-toggle      { display: none; }
.landing-page .content-wrap    { margin-left: 0; padding: 0 0 80px 0; }
.landing-page .site-footer     { margin-left: 0; }


/* ── SANCTUARY MAIN ── */

.sanctuary-main {
  max-width: 800px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 64px) 48px 80px;
}


/* ── SANCTUARY INTRO ── */

.sanctuary-intro {
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
}

.sanctuary-headline {
  font-family: var(--display);
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 10px;
}

.sanctuary-headline em {
  font-style: italic;
  color: var(--teal);
}

.sanctuary-tagline {
  font-family: var(--sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--teal);
  margin-bottom: 28px;
}

.sanctuary-welcome {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 600px;
}

.sanctuary-welcome p + p { margin-top: 14px; }


/* ── SANCTUARY BOOKS ── */

.sanctuary-book {
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}

.sanctuary-book:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.book-label {
  display: block;
  font-family: var(--sans);
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 6px;
}

.book-title {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 14px;
}

.book-desc {
  font-family: var(--serif);
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 1.82;
  max-width: 580px;
}

.book-prereq {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 10px;
}

.book-prereq a {
  color: var(--teal);
  border-bottom: 1px dotted rgba(74, 118, 89, 0.4);
  transition: color 0.2s;
}

.book-prereq a:hover { color: var(--teal-dark); }


/* ── CHAPTER GRID ── */

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}


/* ── CHAPTER CARD ── */

.chapter-card {
  display: flex;
  flex-direction: column;
  padding: 22px 22px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

/* Subtle top accent line */
.chapter-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-dark), var(--teal));
  opacity: 0.7;
  transition: opacity 0.22s ease;
}

.chapter-card:hover {
  border-color: rgba(74, 118, 89, 0.4);
  box-shadow: 0 4px 18px rgba(74, 118, 89, 0.1);
  transform: translateY(-2px);
}

.chapter-card:hover::before {
  opacity: 1;
}

/* Card title */
.chapter-card-title {
  font-family: var(--display);
  font-size: 1.08rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  transition: color 0.2s;
  line-height: 1.25;
}

.chapter-card:hover .chapter-card-title {
  color: var(--teal-dark);
}

/* Card description — 2 lines max */
.chapter-card-desc {
  font-family: var(--serif);
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

/* Card footer — meta + cta */
.chapter-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.chapter-card-meta {
  font-family: var(--sans);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.chapter-card-cta {
  font-family: var(--sans);
  font-size: 0.73rem;
  color: var(--teal);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s, letter-spacing 0.2s;
}

.chapter-card:hover .chapter-card-cta {
  color: var(--teal-dark);
  letter-spacing: 0.05em;
}


/* ── SANCTUARY CLOSING ── */

.sanctuary-closing {
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
  font-family: var(--serif);
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 1.82;
}

.sanctuary-closing p + p { margin-top: 12px; }

.sanctuary-closing a {
  color: var(--amber);
  border-bottom: 1px dotted rgba(196, 116, 42, 0.35);
  transition: color 0.2s;
}

.sanctuary-closing a:hover { color: var(--amber-light); }


/* ── RESPONSIVE ── */

@media (max-width: 680px) {
  .sanctuary-main {
    padding: calc(var(--nav-h) + 44px) 24px 56px;
  }

  .sanctuary-headline {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .chapter-grid {
    grid-template-columns: 1fr;
  }

  .sanctuary-book,
  .sanctuary-intro {
    margin-bottom: 48px;
    padding-bottom: 48px;
  }
}

@media (max-width: 440px) {
  .sanctuary-main {
    padding: calc(var(--nav-h) + 32px) 18px 44px;
  }
}


/* ── LEGACY CARD CLASSES (kept for compatibility) ── */

.landing-content { padding: 60px 48px; max-width: 1100px; margin: 0 auto; }
.tutorial-card { display: flex; flex-direction: column; gap: 16px; padding: 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: all 0.3s ease; }
.tutorial-card:hover { background: var(--bg-elevated); border-color: var(--teal); box-shadow: 0 6px 20px rgba(74, 118, 89, 0.1); }
.tutorial-link { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; background: var(--teal-glow); color: var(--teal); border: 1px solid var(--border-str); border-radius: var(--radius); font-family: var(--sans); font-size: 0.8rem; transition: all 0.2s ease; margin-top: 8px; text-decoration: none; }
.tutorial-link:hover { background: var(--teal-glow-str); border-color: var(--teal); }
.path-divider { display: flex; align-items: center; gap: 20px; margin: 72px 0 0; }
.path-divider-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, var(--border), transparent); }
.path-divider-label { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; }