/* ============================================
   Golden Archive Press – Publisher-style layout
   Inspired by Simon & Schuster, Macmillan, Hachette.
   ============================================ */

@import url('reset.css');
@import url('variables.css');

/* --------------------------------------------
   BASE & TYPOGRAPHY
   -------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 1000;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-4);
}

.hidden {
  display: none !important;
}

/* --------------------------------------------
   PROMO BAR – Neat, modern (Simon & Schuster style)
   -------------------------------------------- */
.promo-bar {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  text-align: center;
  padding: var(--space-2) var(--container-padding);
  font-size: 0.8125rem;
  font-weight: var(--font-medium);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.promo-bar__text {
  opacity: 0.95;
}
.promo-bar__dot {
  opacity: 0.5;
  font-weight: 700;
  user-select: none;
}
.promo-bar__link {
  color: var(--color-text-on-dark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.6);
  padding-bottom: 1px;
  transition: border-color var(--transition-fast), opacity var(--transition-fast);
}
.promo-bar__link:hover {
  border-bottom-color: var(--color-accent);
  opacity: 1;
}

/* --------------------------------------------
   SITE HEADER – Modern, neat, dynamic
   -------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 1px 0 0 var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
}

.nav__brand {
  font-family: var(--font-accent);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}
.nav__brand:hover {
  color: var(--color-primary-hover);
}

.nav__list {
  display: none;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .nav__list {
    display: flex;
  }
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: var(--space-2);
  color: var(--color-text);
}
@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

.nav__list--open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-white);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

body.nav-open {
  overflow: hidden;
}

/* --------------------------------------------
   HERO – Full-width image carousel
   -------------------------------------------- */
.hero {
  position: relative;
  padding: 0;
  background: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #0d0d0d;
}

.carousel__track {
  position: relative;
  width: 100%;
  /* Wide cinematic aspect ratio; images cover the area */
  aspect-ratio: 16 / 7;
}

.carousel__slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow);
}

.carousel__slide.is-active {
  opacity: 1;
  visibility: visible;
}

.carousel__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

/* Arrows */
.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-on-dark);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.carousel__arrow:hover {
  background: rgba(0, 0, 0, 0.6);
}
.carousel__arrow:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.carousel__arrow--prev {
  left: var(--space-4);
}
.carousel__arrow--next {
  right: var(--space-4);
}

/* Dots */
.carousel__dots {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: var(--space-2);
}
.carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.carousel__dot:hover {
  background: rgba(255, 255, 255, 0.6);
}
.carousel__dot.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.15);
}
.carousel__dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 767px) {
  .carousel__track {
    aspect-ratio: 4 / 5;
  }
  .carousel__arrow {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.5rem;
  }
}

/* --------------------------------------------
   SECTION COMMON
   -------------------------------------------- */
.section {
  max-width: var(--container-max-wide);
  margin: 0 auto;
  padding: var(--space-16) var(--container-padding);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--text-base);
  max-width: 40ch;
  margin: 0 auto var(--space-10);
}

.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.section__header .section__title {
  margin-bottom: 0;
  text-align: left;
}

.section__link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  border-bottom: 1px solid currentColor;
}
.section__link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------
   FEATURED BOOKS – Title left, books same row
   -------------------------------------------- */
.books-section {
  padding-top: var(--space-12);
  background: var(--color-bg-white);
}

.books-section__row {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-8);
}
@media (max-width: 767px) {
  .books-section__row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Collection page: single column, title above grid */
.collection-page .books-section__row {
  grid-template-columns: 1fr;
}
.collection-page .collection-page__title {
  text-align: center;
  margin-bottom: var(--space-6);
}

/* Collection page: more columns, same larger gaps and small cards */
.collection-page .books-grid {
  gap: var(--space-8);
}
@media (min-width: 640px) {
  .collection-page .books-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}
@media (min-width: 1024px) {
  .collection-page .books-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-10);
  }
}

/* Collection page: top banner black, header uses collection image */
.collection-page__promo-bg {
  background: #000 !important;
  background-image: none !important;
}

.collection-page__header-bg,
.collection-page__footer-bg {
  background-repeat: no-repeat;
}

.collection-page__header-bg {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.collection-page__header-bg .nav__brand {
  color: #fff;
}
.collection-page__header-bg .nav__brand:hover {
  color: rgba(255, 255, 255, 0.9);
}

.collection-page__header-bg .nav__link {
  color: rgba(255, 255, 255, 0.9);
}
.collection-page__header-bg .nav__link:hover,
.collection-page__header-bg .nav__link:focus-visible {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

.collection-page__header-bg .nav__toggle {
  color: #fff;
}

.books-section__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.books-section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  text-align: center;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.books-section__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-align: center;
  margin: 0;
  line-height: 1.4;
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.books-section__collection {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-align: center;
  margin: var(--space-2) 0 0;
}

.books-section__toolbar {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.books-section__toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.books-section__toolbar-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
}

.books-section__select {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
}

.books-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.books-filters__btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.books-filters__btn:hover,
.books-filters__btn:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.books-filters__btn.active {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}
@media (min-width: 640px) {
  .books-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}
@media (min-width: 1024px) {
  .books-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-10);
  }
}

.book-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.book-card__cover-wrap {
  position: relative;
  aspect-ratio: 2/3;
  max-height: 340px;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.book-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.book-card__cover--title,
.book-card__cover--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  font-size: var(--text-xs);
  padding: var(--space-3);
  text-align: center;
  box-sizing: border-box;
}

.book-card__cover--title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(0.75rem, 1.2vw, 0.875rem);
  color: var(--color-text);
  line-height: 1.3;
}

.book-card:hover .book-card__cover {
  transform: scale(1.02);
}

.book-card .book-card__view-details:disabled,
.book-card .book-card__view-details.is-disabled {
  cursor: default;
}

.book-card__price-placeholder {
  display: inline-block;
  min-width: 0;
}

.book-card__body {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.book-card__collection {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
}

.book-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.book-card__author {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.book-card__description {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.book-card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: var(--space-2);
  width: 100%;
}

/* Button first so View Details and Coming Soon align left */
.book-card__footer .book-card__view-details {
  order: -1;
}

/* Collection page: price on top, button below, both left-aligned (like featured books) */
.collection-page .book-card__footer {
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}
.collection-page .book-card__footer .book-card__view-details {
  order: 0;
}

.book-card__price-group {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
}

.book-card__price-old {
  font-size: var(--text-xs);
  color: #e11d48;
  text-decoration: line-through;
  font-weight: var(--font-medium);
}

.book-card__price {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.book-card__price-new {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.book-card .btn {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
}

.books-loading,
.books-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-light);
}

.books-error {
  color: var(--color-error);
}

/* --------------------------------------------
   ABOUT – Two-column, compact
   -------------------------------------------- */
#about .section__title {
  margin-bottom: var(--space-4);
}

.about {
  display: grid;
  gap: var(--space-3);
  align-items: center;
}
@media (min-width: 1024px) {
  .about {
    grid-template-columns: auto 1fr;
    gap: var(--space-6);
  }
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  max-width: 180px;
  aspect-ratio: 1;
  background: #fff;
}
@media (min-width: 1024px) {
  .about__image-wrap {
    max-width: 280px;
  }
}

.about__image {
  width: 100%;
  height: 100%;
  min-height: 160px;
  display: block;
  object-fit: contain;
  object-position: center;
}

.about__text {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.about__stat {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.about__stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  display: block;
}

.about__stat-label {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-top: var(--space-1);
}

/* --------------------------------------------
   collections / COLLECTIONS – Clean cards
   -------------------------------------------- */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 56rem;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .collections-grid {
    gap: var(--space-6);
  }
}

.collection-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/2;
  background: var(--color-primary);
  transition: transform var(--transition-base);
}

.collection-card:hover {
  transform: translateY(-2px);
}

.collection-card__link {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 2;
}

.collection-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.75;
  transition: transform var(--transition-slow), opacity var(--transition-base);
}

.collection-card:hover .collection-card__bg {
  transform: scale(1.05);
  opacity: 0.9;
}

.collection-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 50%);
}

.collection-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-5);
  color: var(--color-text-on-dark);
}

.collection-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: inherit;
  margin-bottom: var(--space-1);
}

.collection-card__count {
  font-size: var(--text-sm);
  opacity: 0.9;
}

/* --------------------------------------------
   NEWSLETTER – Simple strip
   -------------------------------------------- */
.newsletter {
  position: relative;
  padding: var(--space-16) var(--container-padding);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.newsletter__inner {
  max-width: 36rem;
  margin: 0 auto;
  text-align: center;
}

.newsletter__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-2);
}

.newsletter__incentive {
  color: rgba(255,255,255,0.9);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.newsletter__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.newsletter__form input,
.newsletter__form select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1);
  color: var(--color-text-on-dark);
}

.newsletter__form input::placeholder {
  color: rgba(255,255,255,0.7);
}

.newsletter__form input:focus,
.newsletter__form select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.15);
}

.newsletter__form .btn {
  margin-top: var(--space-2);
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.newsletter__form .btn:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-primary);
}

.newsletter__message {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.newsletter__message.success {
  background: rgba(255,255,255,0.2);
  color: var(--color-text-on-dark);
}

.newsletter__message.error {
  background: rgba(139,41,66,0.5);
  color: #fff;
}

/* --------------------------------------------
   TESTIMONIALS
   -------------------------------------------- */
.testimonials-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-2);
  left: var(--space-4);
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: var(--color-border);
}

.testimonial-card__review {
  font-style: italic;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  padding-left: var(--space-2);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
}

.testimonial-card__author {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.testimonial-card__book {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.testimonials-loading,
.testimonials-error {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-light);
}

/* --------------------------------------------
   CONTACT
   -------------------------------------------- */
.contact__grid {
  display: grid;
  gap: var(--space-12);
}
@media (min-width: 1024px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact__grid--center {
    grid-template-columns: 1fr;
  }
}

.contact__grid--center {
  text-align: center;
}
.contact__grid--center .contact__social {
  justify-content: center;
}

.contact__info h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.contact__info p,
.contact__info a {
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.contact__info a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.contact__info a.contact__email {
  color: var(--color-accent);
  font-weight: var(--font-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.contact__info a.contact__email:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.contact__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.contact__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.contact__social a:hover,
.contact__social a:focus-visible {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

.contact-form__group {
  margin-bottom: var(--space-4);
}

.contact-form__group label {
  display: block;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.contact-form__group input,
.contact-form__group select,
.contact-form__group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  transition: border-color var(--transition-fast);
}

.contact-form__group input:focus,
.contact-form__group select:focus,
.contact-form__group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form__group textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form__message {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.contact-form__message.success {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.contact-form__message.error {
  background: rgba(139,41,66,0.1);
  color: var(--color-error);
}

/* --------------------------------------------
   FOOTER – Multi-column publisher style
   -------------------------------------------- */
.site-footer {
  padding: var(--space-16) var(--container-padding) var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.footer__grid {
  max-width: var(--container-max-wide);
  margin: 0 auto;
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-12);
}
@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 640px) {
  .footer__grid--split {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}
.footer__col--links {
  text-align: right;
}
.footer__col--links .footer__links {
  align-items: flex-end;
}

.footer__brand {
  font-family: var(--font-accent);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-3);
}

.footer__text {
  font-size: var(--text-sm);
  opacity: 0.9;
  max-width: 32ch;
  margin-bottom: var(--space-4);
}

.site-footer .newsletter__form--compact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-top: 0;
}
.site-footer .newsletter__form--compact input {
  flex: 1;
  min-width: 180px;
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  color: var(--color-text-on-dark);
}
.site-footer .newsletter__form--compact input::placeholder {
  color: rgba(255,255,255,0.7);
}
.site-footer .newsletter__form--compact .btn {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
}
.site-footer .newsletter__form--compact .btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-primary);
}

.footer__grid h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__links a {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__social a {
  color: rgba(255,255,255,0.85);
}
.footer__social a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  max-width: var(--container-max-wide);
  margin: 0 auto;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.2);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copy {
  font-size: var(--text-sm);
  opacity: 0.85;
}

.footer__deco {
  display: none;
}

.site-footer .newsletter__message {
  font-size: var(--text-sm);
  color: var(--color-bg);
}
.site-footer .newsletter__message.success { color: var(--color-accent); }
.site-footer .newsletter__message.error { color: #fca5a5; }
.site-footer .newsletter__message.hidden { display: none; }
.site-footer .newsletter__message:not(.hidden) { display: block; }

/* --------------------------------------------
   BUTTONS
   -------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border: 2px solid var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-on-primary);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* --------------------------------------------
   LIGHTBOX
   -------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(0,0,0,0.85);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.lightbox.is-open .lightbox__inner {
  transform: scale(1);
}

.lightbox__inner img {
  max-height: 85vh;
  width: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox__close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  line-height: 1;
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* --------------------------------------------
   PRODUCT MODAL (full book description)
   -------------------------------------------- */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.product-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.product-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.product-modal__panel {
  position: relative;
  width: 100%;
  max-width: 56rem;
  max-height: 90vh;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.96);
  transition: transform var(--transition-base);
}

.product-modal.is-open .product-modal__panel {
  transform: scale(1);
}

.product-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.product-modal__close:hover,
.product-modal__close:focus-visible {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

.product-modal__content {
  overflow-y: auto;
  max-height: 90vh;
  padding: var(--space-8);
}

.product-modal__layout {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .product-modal__layout {
    grid-template-columns: 280px 1fr;
  }
}

.product-modal__media {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.product-modal__media .product-modal__isbn {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-align: center;
}

.product-modal__media .product-modal__buybox {
  margin-top: 0;
}

.product-modal__cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
}

.product-modal__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text-light);
  text-align: center;
  padding: var(--space-4);
}

.product-modal__collection {
  display: inline-block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.product-modal__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  line-height: 1.25;
}

.product-modal__author {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

/* Collapse / dropdown sections */
.product-modal__collapse {
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-modal__collapse--open .product-modal__collapse-content {
  display: block;
}

.product-modal__collapse-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-alt);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  text-align: left;
}

.product-modal__collapse-trigger:hover {
  background: var(--color-primary-light);
}

.product-modal__collapse-icon {
  flex-shrink: 0;
  width: 1em;
  height: 1em;
  display: inline-block;
  transition: transform var(--transition-base);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transform: rotate(-90deg);
}

.product-modal__collapse--open .product-modal__collapse-icon {
  transform: rotate(0);
}

.product-modal__collapse-content {
  display: none;
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.product-modal__description-wrap {
  margin-top: 0;
}

.product-modal__description-wrap:first-child {
  margin-top: 0;
}

.product-modal__description-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-3) 0;
}

.product-modal__description {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
}

.product-modal__description-p {
  margin: 0 0 var(--space-4) 0;
}

.product-modal__description-p:last-child {
  margin-bottom: 0;
}

/* Rich HTML description (em, strong, p, br) */
.product-modal__description--html {
  line-height: 1.7;
}

.product-modal__description--html p {
  margin: 0 0 var(--space-4) 0;
}

.product-modal__description--html p:last-child {
  margin-bottom: 0;
}

.product-modal__description--html p + p {
  margin-top: 0;
}

.product-modal__description--html strong {
  font-weight: 700;
  color: var(--color-primary);
}

.product-modal__description--html em {
  font-style: italic;
}

/* About the Author */
.product-modal__about-author {
  margin-top: var(--space-4);
  padding-top: 0;
  border-top: none;
}

.product-modal__about-author-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-3) 0;
}

.product-modal__about-author-text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
}

/* Product Details */
.product-modal__details {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.product-modal__details-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-4) 0;
}

.product-modal__details-list {
  margin: 0;
  display: grid;
  gap: var(--space-2) var(--space-6);
  grid-template-columns: auto 1fr;
}

.product-modal__details-term {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin: 0;
  font-weight: 500;
}

.product-modal__details-value {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin: 0;
}

/* Buy box – price + primary Ingram button */
.product-modal__buybox {
  margin-top: 0;
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.product-modal__buybox-price {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-3);
}

.product-modal__buybox-info {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-align: center;
}

.product-modal__buybox .product-modal__price,
.product-modal__buybox .product-modal__price-group {
  margin: 0;
}

.product-modal__buybox .product-modal__price {
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

.product-modal__price-group {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-3);
}

.product-modal__price-old {
  font-size: var(--text-base);
  color: #e11d48;
  text-decoration: line-through;
  font-weight: 600;
}

.product-modal__price-new {
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

/* Other retailers box */
.product-modal__retailers {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.product-modal__retailers-label {
  margin: 0;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  font-weight: 600;
  text-align: center;
}

.product-modal__retailers-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.product-modal__retailer-btn {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: 9999px;
}

.product-modal__buy-btn {
  padding: var(--space-1  ) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: 9999px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}
.product-modal__buy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.product-modal__buy-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}
.product-modal__buy-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.product-modal__coming-soon {
  font-weight: 600;
  color: var(--color-text-light);
  font-size: var(--text-lg);
}

.product-modal__footer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.product-modal__price {
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
}

.product-modal__footer .product-modal__isbn {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* --------------------------------------------
   BACK TO TOP
   -------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 50;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-primary-hover);
  color: var(--color-text-on-primary);
}

/* --------------------------------------------
   SCROLL REVEAL
   -------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------
   UTILITIES
   -------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main {
  padding-top: 0;
  padding-bottom: 0;
}

/* --------------------------------------------
   RESPONSIVE – Phones (<= 640px)
   Tightens spacing and prevents cramped/overflowing
   sections on small screens (e.g. iPhone).
   -------------------------------------------- */
@media (max-width: 640px) {
  /* Calmer vertical rhythm on small screens */
  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  /* About: center the logo and keep stats readable */
  .about__image-wrap {
    margin-left: auto;
    margin-right: auto;
  }
  .about__content {
    text-align: center;
  }
  .about__stats {
    gap: var(--space-2);
    margin-top: var(--space-6);
  }
  .about__stat {
    padding: var(--space-3) var(--space-2);
  }
  .about__stat-value {
    font-size: clamp(0.95rem, 4.4vw, 1.25rem);
    line-height: 1.2;
  }
  .about__stat-label {
    font-size: clamp(0.8rem, 3.6vw, 1.05rem);
    line-height: 1.2;
  }

  /* Product modal: more room for content, smaller heading */
  .product-modal {
    padding: var(--space-2);
  }
  .product-modal__content {
    padding: var(--space-6) var(--space-4);
  }
  .product-modal__title {
    font-size: var(--text-xl);
  }
  .product-modal__author {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
  }
  .product-modal__buybox {
    padding: var(--space-4);
  }

  /* Keep lightbox close button on-screen */
  .lightbox__close {
    top: var(--space-2);
    right: var(--space-2);
  }
}

/* Extra-small phones (<= 380px): allow single-column stats */
@media (max-width: 380px) {
  .about__stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .about__stat {
    padding: var(--space-2) var(--space-1);
  }
}