.page-hero { padding-bottom: 40px; }
.page-hero .tz-title {
  font-size: clamp(1.7rem, 2.9vw, 2.6rem);
}

.books-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 24px;
  align-items: center;
}

.books-hero-copy {
  margin: 0;
}

.books-copy,
.author-copy,
.product-copy,
.blog-intro {
  max-width: 860px;
}
.books-featured-cta { align-items: center; }

.books-hero-placeholders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  justify-self: end;
  max-width: 420px;
}

.books-hero-placeholders__item {
  aspect-ratio: 3 / 5;
  border-radius: 14px;
  border: 2px dashed rgba(23, 53, 82, 0.35);
  background: linear-gradient(180deg, rgba(255, 249, 235, 0.95), rgba(232, 239, 249, 0.95));
  color: #173552;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.14);
}

.books-hero-placeholders__item:nth-child(1) {
  transform: translate(8px, 8px) rotate(-3deg);
  z-index: 1;
}

.books-hero-placeholders__item:nth-child(2) {
  transform: translate(-8px, 10px) rotate(3deg);
  z-index: 2;
}

.books-hero-placeholders__item:nth-child(3) {
  transform: translate(4px, -10px) rotate(2deg);
  z-index: 3;
}

.books-hero-placeholders__item:nth-child(4) {
  transform: translate(-10px, -8px) rotate(-2deg);
  z-index: 4;
}

.books-hero-placeholders__item:nth-child(5) {
  transform: translate(6px, -4px) rotate(1.5deg);
  z-index: 5;
}

.books-hero-placeholders__item:nth-child(6) {
  transform: translate(-6px, -6px) rotate(-1.5deg);
  z-index: 6;
}

.books-showcase__grid {
  gap: 18px;
}

.books-showcase-card {
  display: grid;
  gap: 10px;
  text-align: left;
  width: 100%;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(23, 53, 82, 0.22);
  background: #ffffff;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .24s ease, border-color .22s ease;
}

.books-showcase-card:hover {
  transform: translateY(-4px);
  border-color: rgba(23, 53, 82, 0.4);
  box-shadow: 0 16px 26px rgba(15, 23, 42, 0.14);
}

.books-showcase-card__cover {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 5;
  width: min(170px, 100%);
  margin: 0 auto;
  border-radius: 12px;
  border: 2px dashed rgba(23, 53, 82, 0.36);
  background: linear-gradient(180deg, rgba(23, 53, 82, 0.08), rgba(184, 138, 53, 0.14));
  color: #173552;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.books-showcase-card__title {
  color: var(--tz-primary);
  font-family: var(--tz-title-font);
  font-size: 1.02rem;
  line-height: 1.25;
}

.books-showcase-card__hint {
  color: #5d6a7b;
  font-size: 0.82rem;
}

.books-showcase-modal[hidden] {
  display: none;
}

.books-showcase-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.books-showcase-modal__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(11, 21, 34, 0.58);
}

.books-showcase-modal__panel {
  position: relative;
  z-index: 1;
  width: min(640px, calc(100% - 24px));
  margin: 8vh auto 0;
  padding: 26px 22px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(23, 53, 82, 0.2);
  box-shadow: 0 28px 46px rgba(15, 23, 42, 0.24);
}

.books-showcase-modal__close {
  position: absolute;
  right: 10px;
  top: 8px;
  border: 0;
  background: transparent;
  font-size: 1.7rem;
  line-height: 1;
  color: #173552;
  cursor: pointer;
}

.books-showcase-modal__eyebrow {
  margin: 0 0 4px;
  color: var(--tz-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.76rem;
}

.books-showcase-modal__title {
  margin: 0 0 10px;
  color: var(--tz-primary);
  font-family: var(--tz-title-font);
  font-size: 1.5rem;
}

.books-showcase-modal__text,
.books-showcase-modal__meta {
  margin: 0 0 8px;
  color: #435063;
  font-size: 0.98rem;
  line-height: 1.6;
}

.books-showcase-modal__actions {
  margin-top: 14px;
}

@media (max-width: 767px) {
  .books-hero-layout {
    grid-template-columns: 1fr;
  }

  .books-hero-placeholders {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-self: start;
    max-width: 250px;
  }

  .books-hero-placeholders__item {
    transform: none !important;
  }

  .books-showcase-modal__panel {
    margin-top: 4vh;
  }
}

/* Animated card frame effect for the books page */
.tz-card {
  position: relative;
  isolation: isolate;
  animation: books-card-float 6s ease-in-out infinite;
}

.tz-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(130deg, rgba(184,138,53,0.72), rgba(23,53,82,0.65), rgba(184,138,53,0.72));
  background-size: 200% 200%;
  animation: books-frame-shift 4.5s linear infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.75;
}

.tz-card:hover {
  transform: translateY(-10px) scale(1.01);
  box-shadow: 0 24px 36px rgba(15, 23, 42, 0.16);
}

@keyframes books-frame-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes books-card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@media (prefers-reduced-motion: reduce) {
  .tz-card,
  .tz-card::after {
    animation: none;
  }
}

/* Books page CTA buttons: deep blue base with gold accent hover */
.tz-btn {
  border-color: rgba(184,138,53,0.42);
  background: linear-gradient(180deg, #21476D, #173552);
  color: #fff;
}

.tz-btn:hover {
  border-color: rgba(184,138,53,0.82);
  background: linear-gradient(180deg, #C79A45, #A6762A);
  color: #14263D;
  box-shadow: 0 12px 24px rgba(167,118,42,0.28), 0 6px 14px rgba(15,23,42,0.12);
}

.tz-btn--secondary,
.tz-btn--accent,
.tz-btn--primary {
  border-color: rgba(184,138,53,0.48);
  background: linear-gradient(180deg, #21476D, #173552);
  color: #fff;
}

.tz-btn--secondary:hover,
.tz-btn--accent:hover,
.tz-btn--primary:hover {
  border-color: rgba(184,138,53,0.88);
  background: linear-gradient(180deg, #D8AF5D, #B88434);
  color: #1A2E48;
}