/* ============================================================
   MERROW — collections.css
   Collection page styles. Requires styles.css loaded first.
   ============================================================ */

/* ── Nav overrides for collection pages with dark hero ────────── */
.collection-page .site-header .nav-logo {
  color: rgba(247, 242, 232, 0.92);
}
.collection-page .site-header.scrolled .nav-logo {
  color: var(--forest);
}
.collection-page .site-header .nav-links a {
  color: rgba(247, 242, 232, 0.72);
}
.collection-page .site-header .nav-links a:hover {
  color: var(--cream);
}
.collection-page .site-header.scrolled .nav-links a {
  color: var(--medium);
}
.collection-page .site-header.scrolled .nav-links a:hover {
  color: var(--forest);
}
.collection-page .site-header .nav-links a.nav-cta {
  color: rgba(247, 242, 232, 0.85);
  border-color: rgba(247, 242, 232, 0.3);
}
.collection-page .site-header .nav-links a.nav-cta:hover {
  background-color: rgba(247, 242, 232, 0.08);
  color: var(--cream);
  border-color: rgba(247, 242, 232, 0.6);
}
.collection-page .site-header.scrolled .nav-links a.nav-cta {
  color: var(--forest);
  border-color: var(--forest);
}
.collection-page .site-header.scrolled .nav-links a.nav-cta:hover {
  background-color: var(--forest);
  color: var(--cream);
}
.collection-page .nav-toggle span {
  background-color: rgba(247, 242, 232, 0.9);
}
.collection-page .site-header.scrolled .nav-toggle span {
  background-color: var(--forest);
}

/* ── Collection hero image ───────────────────────────────────── */
.collection-hero {
  width: 100%;
  height: 65vh;
  min-height: 420px;
  max-height: 720px;
  overflow: hidden;
  position: relative;
}

.collection-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, rgba(20, 14, 10, 0.5) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.collection-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* ── Collection page header ──────────────────────────────────── */
.collection-page-header {
  padding: var(--space-xl) var(--space-md) var(--space-xl);
  background-color: var(--cream);
  text-align: center;
}

.collection-page-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: var(--space-md);
}

.collection-page-eyebrow::before,
.collection-page-eyebrow::after {
  content: '';
  width: 3rem;
  height: 1px;
  background-color: rgba(155, 139, 120, 0.35);
}

.collection-roman {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 400;
  font-style: italic;
  color: var(--muted-gold);
  letter-spacing: 0.18em;
}

.collection-page-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 400;
  color: var(--dark);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
}

.collection-page-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-style: italic;
  color: var(--medium);
  max-width: 540px;
  margin: 0 auto var(--space-md);
  line-height: 1.65;
}

.collection-page-count {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--taupe);
}

/* ── Collection intro copy ────────────────────────────────────── */
.collection-intro {
  max-width: var(--narrow-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-lg);
  text-align: center;
}

.collection-intro p {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--medium);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.collection-intro p:last-child {
  margin-bottom: 0;
}

/* ── Affiliate disclosure ─────────────────────────────────────── */
.affiliate-note {
  background-color: var(--parchment);
  padding: 1rem var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(155, 139, 120, 0.18);
  border-bottom: 1px solid rgba(155, 139, 120, 0.18);
}

.affiliate-note p {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--taupe);
  letter-spacing: 0.04em;
  line-height: 1.7;
}

/* ── Pinterest-friendly welcome block ─────────────────────────── */
.bookshelf-welcome {
  background-color: var(--parchment);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(155, 139, 120, 0.18);
  border-bottom: 1px solid rgba(155, 139, 120, 0.18);
}

.bookshelf-welcome-inner {
  max-width: var(--narrow-width);
  margin: 0 auto;
}

.bookshelf-welcome-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--dark);
  margin-bottom: var(--space-xs);
}

.bookshelf-welcome-text {
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--medium);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto var(--space-md);
}

.jump-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  list-style: none;
}

.jump-links a {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.03em;
  color: var(--forest);
  text-decoration: none;
  border: 1px solid rgba(44, 74, 62, 0.35);
  border-radius: 999px;
  padding: 0.55rem 1.25rem;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.jump-links a:hover {
  background-color: var(--forest);
  color: var(--cream);
  border-color: var(--forest);
}

/* ── Start Here featured books ─────────────────────────────────── */
.start-here {
  padding: var(--space-lg) 0;
}

.start-here-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.start-here-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.start-here-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--dark);
  margin-top: 0.4rem;
}

.start-here-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.featured-book-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background-color: var(--parchment);
  border: 1px solid rgba(155, 139, 120, 0.25);
  border-radius: 4px;
  padding: var(--space-md) var(--space-md) var(--space-sm);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.featured-book-card:hover {
  background-color: var(--linen);
  transform: translateY(-2px);
}

.featured-book-badge {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted-gold);
  letter-spacing: 0.1em;
}

.featured-book-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--dark);
  line-height: 1.25;
}

.featured-book-author {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--taupe);
}

.featured-book-note {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--medium);
  line-height: 1.6;
  margin-top: 0.25rem;
}

.featured-book-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-top: auto;
  padding-top: 0.75rem;
  transition: color 0.25s var(--ease);
}

.featured-book-card:hover .featured-book-cta {
  color: var(--forest-mid);
}

/* ── Section divider between header and shelves ──────────────── */
.shelf-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(155, 139, 120, 0.35), transparent);
  margin: 0;
}

/* ── Book shelf section ───────────────────────────────────────── */
.book-shelf {
  padding: var(--space-xl) 0;
}

.book-shelf--alt {
  background-color: var(--parchment);
}

.book-shelf-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Section header */
.book-shelf-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 var(--space-lg);
  align-items: baseline;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(155, 139, 120, 0.2);
}

.book-shelf-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  color: var(--dark);
  white-space: nowrap;
}

.book-shelf-desc {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: var(--taupe);
  line-height: 1.6;
}

/* ── Book grid ───────────────────────────────────────────────── */
.book-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(155, 139, 120, 0.15);
  border: 1px solid rgba(155, 139, 120, 0.15);
}

/* ── Individual book card (the whole card is a link) ─────────── */
.book-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.5rem var(--space-md);
  background-color: var(--cream);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.25s var(--ease);
}

.book-shelf--alt .book-item {
  background-color: var(--parchment);
}

.book-item:hover {
  background-color: var(--linen);
}

.book-item:hover .book-link-text {
  color: var(--forest-mid);
}

.book-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 400;
  color: var(--dark);
  line-height: 1.3;
}

.book-author {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--taupe);
  letter-spacing: 0.04em;
  min-height: 1.1em;
}

.book-link-text {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-top: auto;
  padding-top: 0.85rem;
  transition: color 0.25s var(--ease);
}

/* ── Book grid variant with a Merrow-style note under each title ──
   Fewer columns and taller cards so recommendations read like curated
   notes, not e-commerce tiles. ────────────────────────────────── */
.book-grid--notes {
  grid-template-columns: repeat(3, 1fr);
}

.book-grid--notes .book-item {
  padding: var(--space-md);
}

.book-note {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--medium);
  line-height: 1.6;
  margin-top: 0.15rem;
}

/* ── Bottom CTA ──────────────────────────────────────────────── */
.collection-cta {
  background-color: var(--forest);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.collection-cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.55rem);
  font-style: italic;
  color: rgba(237, 229, 212, 0.78);
  max-width: 560px;
  line-height: 1.6;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .book-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .book-grid--notes,
  .start-here-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .book-shelf-header {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}

@media (max-width: 768px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .book-grid--notes,
  .start-here-grid {
    grid-template-columns: 1fr;
  }

  .collection-hero {
    height: 50vh;
    min-height: 280px;
  }

  .collection-page-header {
    padding-top: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .book-grid {
    grid-template-columns: 1fr;
  }
}