/* ============================================================
   BOOKS PAGE — Additional styles
   Extends main.css
   ============================================================ */

/* ---- PAGE HEADER ---- */
.books-page-header {
  padding: 100px 0 0;
  background: var(--black);
  border-bottom: 1px solid var(--ink-rule);
}
.books-page-header-inner {
  padding: 56px 40px 0;
}
.books-page-h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  line-height: 0.93;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
}
.books-page-sub {
  font-size: 1rem;
  line-height: 1.72;
  color: rgba(242,237,228,0.55);
  max-width: 620px;
  margin-bottom: 40px;
  font-family: var(--font-body);
}

/* ---- FILTER TABS ---- */
.books-page-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  background: var(--ink-rule);
  width: fit-content;
}
.filter-btn {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 22px;
  background: var(--ink);
  color: rgba(242,237,228,0.4);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.filter-btn:hover {
  background: var(--ink-mid);
  color: var(--white);
}
.filter-btn.is-active {
  background: var(--gold);
  color: var(--black);
}

/* ---- FEATURED RELEASE ---- */
.featured-release {
  border-bottom: 1px solid var(--ink-rule);
}
.featured-release-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
}
.featured-release-visual {
  background: var(--ink-mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 40px;
  border-right: 1px solid var(--ink-rule);
  position: relative;
  min-height: 560px;
}
.featured-release-badge {
  position: absolute;
  top: 24px;
  left: 24px;
}
.featured-book-img-wrap {
  width: 60%;
  max-width: 240px;
}
.featured-book-img-wrap img {
  width: 100%;
  box-shadow: 0 28px 72px rgba(0,0,0,0.7);
}
.featured-book-placeholder {
  width: 200px;
  height: 290px;
  background: var(--ink-rule);
  border-top: 4px solid var(--gold);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  box-shadow: 0 28px 72px rgba(0,0,0,0.7);
}
.featured-book-placeholder-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  display: block;
  margin-bottom: 6px;
}
.featured-book-placeholder-sub {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242,237,228,0.35);
  display: block;
}
.featured-release-content {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-release-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.featured-release-foreword {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(242,237,228,0.45);
  letter-spacing: 0.06em;
  padding: 12px 16px;
  border-left: 2px solid var(--gold);
  background: var(--white-ghost);
  margin-bottom: 24px;
}
.featured-release-foreword strong { color: var(--gold); font-weight: 500; }
.featured-release-desc {
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(242,237,228,0.6);
  margin-bottom: 18px;
  max-width: 500px;
}
.featured-release-meta {
  display: flex;
  gap: 32px;
  margin-bottom: 28px;
  padding: 16px 0;
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
}
.featured-release-meta-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.meta-label {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(242,237,228,0.3);
}
.meta-value {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--white);
  font-weight: 500;
}
.featured-release-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.featured-release-endorsement {
  max-width: 480px;
}
.featured-endorse-q {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.65;
  color: rgba(242,237,228,0.6);
  margin-bottom: 8px;
}
.featured-endorse-who {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---- FULL BOOKS GRID ---- */
.books-full {
  padding: 0;
}
.books-full-inner {
  padding: 0;
}
.books-category-block {
  border-bottom: 1px solid var(--ink-rule);
  padding: 56px 40px;
  transition: opacity 0.3s;
}
.books-category-block.is-hidden {
  display: none;
}
.books-category-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
}
.books-category-rule {
  width: 32px;
  height: 3px;
  background: var(--gold);
  flex-shrink: 0;
}
.books-category-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: 0.04em;
}
.books-category-count {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242,237,228,0.28);
  margin-left: auto;
}
.books-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--ink-rule);
}
.books-full-grid--narrow {
  grid-template-columns: repeat(2, 1fr);
  max-width: 760px;
}
.book-full-card {
  background: var(--ink);
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  transition: background 0.2s;
}
.book-full-card:hover { background: var(--ink-mid); }
.book-full-cover {
  padding: 20px 0 20px 20px;
  position: relative;
  flex-shrink: 0;
}
.book-full-cover img {
  width: 100%;
  display: block;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.book-full-badge {
  position: absolute;
  top: 20px;
  left: 12px;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  padding: 3px 7px;
  white-space: nowrap;
}
.book-full-content {
  padding: 24px 24px 24px 20px;
  display: flex;
  flex-direction: column;
}
.book-full-cat {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.book-full-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.book-full-subtitle {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-style: italic;
  color: rgba(242,237,228,0.45);
  margin-bottom: 12px;
  line-height: 1.4;
}
.book-full-desc {
  font-size: 0.84rem;
  line-height: 1.68;
  color: rgba(242,237,228,0.52);
  margin-bottom: 12px;
  flex: 1;
}
.book-full-endorsement {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-left: 2px solid var(--ink-rule);
  background: var(--white-ghost);
}
.book-full-endorsement blockquote {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-style: italic;
  line-height: 1.55;
  color: rgba(242,237,228,0.5);
  margin-bottom: 5px;
}
.book-full-endorsement cite {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242,237,228,0.3);
  font-style: normal;
}
.book-full-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--ink-rule);
  margin-top: auto;
}
.book-full-price {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.book-full-was {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: rgba(242,237,228,0.3);
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 400;
}
.book-buy-btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 16px;
  background: var(--gold);
  color: var(--black);
  transition: opacity 0.2s;
  white-space: nowrap;
}
.book-buy-btn:hover { opacity: 0.88; }

/* ---- BULK ORDER STRIP ---- */
.bulk-order-strip {
  background: var(--ink-mid);
  border-bottom: 1px solid var(--ink-rule);
  padding: 48px 40px;
}
.bulk-order-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.bulk-order-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 10px;
}
.bulk-order-sub {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(242,237,228,0.5);
  max-width: 520px;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .books-full-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-release-inner { grid-template-columns: 300px 1fr; }
}

@media (max-width: 900px) {
  .featured-release-inner { grid-template-columns: 1fr; }
  .featured-release-visual { min-height: 300px; border-right: none; border-bottom: 1px solid var(--ink-rule); }
  .featured-release-content { padding: 36px 28px; }
}

@media (max-width: 768px) {
  .books-page-header-inner { padding: 36px 20px 0; }
  .books-category-block { padding: 40px 20px; }
  .books-full-grid { grid-template-columns: 1fr; }
  .books-full-grid--narrow { max-width: 100%; grid-template-columns: 1fr; }
  .book-full-card { grid-template-columns: 120px 1fr; }
  .books-page-filters { width: 100%; }
  .filter-btn { padding: 10px 14px; font-size: 0.62rem; }
  .bulk-order-inner { flex-direction: column; align-items: flex-start; }
  .featured-release-meta { flex-wrap: wrap; gap: 16px; }
}

@media (max-width: 480px) {
  .book-full-card { grid-template-columns: 1fr; }
  .book-full-cover { padding: 20px 20px 0; }
  .book-full-cover img { width: 45%; }
}