/* =========================================
   Vyom Hans Publications - Homepage Styles
   ========================================= */

/* ── Search Overlay ── */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(67, 110, 238, 0.95);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.search-overlay.open {
  display: flex;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.search-overlay__inner {
  width: 100%;
  max-width: 640px;
  padding: 0 var(--space-6);
}

.search-overlay__box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-2xl);
}

.search-overlay__input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-lg);
  background: transparent;
}

.search-overlay__close {
  font-size: var(--text-lg);
  cursor: pointer;
  color: var(--color-text-muted);
  background: none;
  border: none;
  padding: var(--space-2);
}

.search-overlay__results {
  margin-top: var(--space-4);
  max-height: 400px;
  overflow-y: auto;
}

.search-overlay__result {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  transition: background var(--duration-fast);
  color: var(--color-white);
}

.search-overlay__result:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
}

.search-overlay__result-cover {
  width: 40px;
  height: 56px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.search-overlay__result-title {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  margin-bottom: 2px;
}

.search-overlay__result-author {
  font-size: var(--text-xs);
  opacity: 0.7;
}

.search-overlay__empty {
  text-align: center;
  color: rgba(255,255,255,0.5);
  padding: var(--space-8);
  font-size: var(--text-md);
}

/* ── Hero Section ── */
.hero {
  background: var(--gradient-hero);
  padding: var(--space-24) 0 var(--space-20);
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(135, 206, 235, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(52, 88, 198, 0.4) 0%, transparent 50%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  color: var(--color-white);
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(135, 206, 235, 0.2);
  border: 1px solid rgba(135, 206, 235, 0.4);
  color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-6);
  animation: fadeInDown 0.8s var(--ease-out);
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--weight-black);
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: fadeInDown 0.8s var(--ease-out) 0.1s both;
}

.hero__title span {
  color: var(--color-accent);
  display: inline;
}

.hero__description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
  animation: fadeInDown 0.8s var(--ease-out) 0.2s both;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInDown 0.8s var(--ease-out) 0.3s both;
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-10);
  animation: fadeInDown 0.8s var(--ease-out) 0.4s both;
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: var(--space-1);
}

/* Hero book showcase */
.hero__books {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  perspective: 1000px;
  animation: fadeInRight 1s var(--ease-out) 0.4s both;
}

.hero__book-display {
  display: flex;
  gap: var(--space-4);
  transform: rotateY(-5deg);
  transition: transform var(--duration-slow) var(--ease-out);
}

.hero__book-display:hover {
  transform: rotateY(0deg);
}

.hero__featured-book {
  width: 220px;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.hero__featured-book:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero__featured-book:nth-child(2) {
  margin-top: var(--space-10);
}

.hero__featured-book:nth-child(3) {
  margin-top: var(--space-6);
  display: none;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__description { margin: 0 auto var(--space-8); }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__books { display: none; }
}

/* ── Latest Releases Carousel ── */
.carousel-section {
  background: var(--color-secondary);
}

.carousel-wrapper {
  position: relative;
}

.carousel {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: var(--space-4) 0;
}

.carousel::-webkit-scrollbar {
  display: none;
}

.carousel .book-card {
  min-width: 240px;
  max-width: 240px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
  border: none;
  font-size: var(--text-lg);
}

.carousel-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-gold);
}

.carousel-btn--prev { left: -24px; }
.carousel-btn--next { right: -24px; }

@media (max-width: 768px) {
  .carousel-btn { display: none; }
  .carousel .book-card { min-width: 200px; max-width: 200px; }
}

/* ── Categories Section ── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Author Spotlight ── */
.spotlight {
  background: var(--gradient-hero);
  color: var(--color-white);
}

.spotlight__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-12);
  align-items: center;
}

.spotlight__image {
  width: 300px;
  height: 300px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  box-shadow: var(--shadow-2xl);
}

.spotlight__name {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.spotlight__role {
  color: var(--color-accent);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-6);
}

.spotlight__bio {
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  font-size: var(--text-md);
}

.spotlight__books-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  font-weight: var(--weight-semibold);
}

.spotlight__books-list {
  display: flex;
  gap: var(--space-3);
}

.spotlight__book-thumb {
  width: 60px;
  height: 85px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.spotlight__book-thumb:hover {
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .spotlight__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .spotlight__image {
    width: 200px;
    height: 200px;
    font-size: 4rem;
    margin: 0 auto;
  }
  .spotlight__books-list { justify-content: center; }
}

/* ── Publish CTA ── */
.publish-cta {
  background: var(--color-secondary);
  position: relative;
  overflow: hidden;
}

.publish-cta::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(135, 206, 235, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.publish-cta__inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.publish-cta__inner h2 {
  margin-bottom: var(--space-4);
}

.publish-cta__inner > p {
  color: var(--color-text-light);
  font-size: var(--text-md);
  max-width: 600px;
  margin: var(--space-4) auto var(--space-8);
}

.publish-cta__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  text-align: center;
}

.publish-cta__feature {
  padding: var(--space-6);
}

.publish-cta__feature-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.publish-cta__feature h4 {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  margin-bottom: var(--space-2);
}

.publish-cta__feature p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .publish-cta__features { grid-template-columns: 1fr; }
}

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ── Stats ── */
.stats-section {
  background: var(--color-primary);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.stats-grid__item {
  padding: var(--space-6);
}

.stats-grid__value {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.stats-grid__label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

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

/* ── Newsletter ── */
.newsletter {
  background: linear-gradient(135deg, #f0f5f8 0%, #dce8f0 100%);
}

.newsletter__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

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

.newsletter__input {
  flex: 1;
  padding: var(--space-4) var(--space-6);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--duration-fast);
}

.newsletter__input:focus {
  border-color: var(--color-accent);
}

.newsletter__btn {
  padding: var(--space-4) var(--space-8);
  background: var(--color-accent);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-full);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.newsletter__btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

@media (max-width: 600px) {
  .newsletter__form {
    flex-direction: column;
  }
  .newsletter__btn {
    border-radius: var(--radius-full);
  }
}