/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
.hero {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero .book-hero-content .book-genre {
  display: inline-block;
  background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
  color: var(--accent-color);
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 24px;
  font-size: 14px;
}

.hero .book-hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--heading-color);
  line-height: 1.2;
}

@media (max-width: 992px) {
  .hero .book-hero-content h1 {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .hero .book-hero-content h1 {
    font-size: 32px;
  }
}

.hero .book-hero-content .book-description {
  margin-bottom: 32px;
  color: var(--default-color);
  font-size: 16px;
  line-height: 1.6;
}

.hero .book-hero-content .hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .book-hero-content .hero-cta .btn-primary {
  background-color: var(--accent-color);
  color: var(--contrast-color);
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: grid;
  place-items: center;
}

.hero .book-hero-content .hero-cta .btn-primary:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  transform: translateY(-3px);
}

.hero .book-hero-content .hero-cta .btn-outline {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: grid;
  place-items: center;
}

.hero .book-hero-content .hero-cta .btn-outline:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 95%);
  transform: translateY(-3px);
}

.hero .book-cover {
  position: relative;
  transform: rotate(-3deg);
  transition: all 0.5s ease;
  max-width: 400px;
}

.hero .book-cover .book-shadow {
  position: absolute;
  bottom: -20px;
  left: 10%;
  width: 80%;
  height: 20px;
  background: rgba(0, 0, 0, 0.3);
  filter: blur(15px);
  border-radius: 50%;
  z-index: -1;
}

.hero .book-cover:hover {
  transform: rotate(0) translateY(-10px);
}

.hero .book-cover:hover img {
  filter: brightness(1.05);
  transition: 0.3s;
}

@media (max-width: 992px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero .book-cover {
    margin-top: 40px;
    transform: rotate(0);
  }

  .hero .book-cover:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 768px) {
  .hero {
    text-align: center;
    padding: 80px 0 40px;
  }

  .hero .book-hero-content .hero-cta {
    justify-content: center;
  }

  .hero .book-cover {
    margin: 40px auto 0;
  }
}

/*--------------------------------------------------------------
# About Section
--------------------------------------------------------------*/
.about {
  padding: 80px 0;
  overflow: hidden;
}

.about .about-book-img {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.about .about-book-img img {
  width: 100%;
  height: auto;
  display: block;
}

.about .about-book-img:hover {
  transform: translateY(-10px);
}

@media (max-width: 768px) {
  .about .about-book-img {
    max-width: 450px;
    margin: 0 auto;
  }
}

.about .about-book-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 16px;
}

.about .about-book-content p {
  color: var(--default-color);
  margin-bottom: 20px;
  line-height: 1.6;
}

.about .about-book-content .highlights {
  margin-top: 30px;
  margin-bottom: 30px;
}

.about .about-book-content .highlights h3 {
  font-size: 20px;
  color: var(--heading-color);
  margin-bottom: 16px;
  font-weight: 600;
}

.about .about-book-content .highlights ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about .about-book-content .highlights ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.about .about-book-content .highlights ul li i {
  color: var(--accent-color);
  font-size: 20px;
  flex-shrink: 0;
}

.about .about-book-content .highlights ul li span {
  color: var(--default-color);
  line-height: 1.5;
}

@media (max-width: 992px) {
  .about .about-book-content h2 {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .about .about-book-content {
    text-align: center;
    margin-top: 20px;
  }

  .about .about-book-content .highlights ul li {
    text-align: left;
  }
}

/*--------------------------------------------------------------
# Features Section
--------------------------------------------------------------*/
.features {
  padding: 80px 0;
  overflow: hidden;
}

.features .feature-card {
  background-color: var(--surface-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.features .feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 40px;
  background-color: var(--accent-color);
  transition: height 0.3s ease;
}

.features .feature-card .feature-icon {
  margin-bottom: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: color-mix(in srgb, var(--accent-color), transparent 90%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.features .feature-card .feature-icon i {
  font-size: 24px;
  color: var(--accent-color);
}

.features .feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--heading-color);
}

.features .feature-card p {
  color: var(--default-color);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 0;
}

.features .feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.features .feature-card:hover::before {
  height: 70px;
}

@media (max-width: 992px) {
  .features .section-intro h2 {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .features .section-intro h2 {
    font-size: 24px;
  }

  .features .feature-card {
    padding: 25px;
  }

  .features .feature-card .feature-icon {
    width: 50px;
    height: 50px;
  }

  .features .feature-card .feature-icon i {
    font-size: 20px;
  }

  .features .feature-card h3 {
    font-size: 18px;
  }
}

/*--------------------------------------------------------------
# Features Section
--------------------------------------------------------------*/
.features .intro-content h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--heading-color);
  line-height: 1.3;
}

.features .intro-content p {
  font-size: 18px;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  margin-bottom: 35px;
  line-height: 1.6;
}

.features .intro-image {
  position: relative;
}

.features .intro-image video {
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.features .intro-image::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--accent-color), color-mix(in srgb, var(--accent-color), transparent 40%));
  border-radius: 50%;
  z-index: -1;
  opacity: 0.7;
}

.features .intro-image::after {
  content: "";
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--heading-color), color-mix(in srgb, var(--heading-color), transparent 40%));
  border-radius: 20px;
  z-index: -1;
  opacity: 0.5;
}

@media (max-width: 991px) {
  .features .intro-content {
    margin-bottom: 40px;
  }

  .features .intro-content h2 {
    font-size: 32px;
  }
}

@media (max-width: 767px) {
  .features .feature-item {
    padding: 25px;
  }

  .features .feature-item .feature-number {
    font-size: 36px;
    top: 15px;
    right: 20px;
  }

  .features .feature-item .feature-content h4 {
    font-size: 20px;
  }
}

@media (max-width: 575px) {
  .features .intro-content h2 {
    font-size: 28px;
  }

  .features .intro-content p {
    font-size: 16px;
  }
}

/*--------------------------------------------------------------
# Purchase Section
--------------------------------------------------------------*/
.purchase {
  padding: 80px 0;
  overflow: hidden;
}

.purchase .bundle-offer {
  background-color: var(--surface-color);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.purchase .bundle-offer:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background-color: var(--accent-color);
}

.purchase .bundle-offer h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 15px;
}

.purchase .bundle-offer p {
  color: var(--default-color);
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.6;
}

.purchase .bundle-offer ul {
  list-style: none;
  padding: 0;
  margin: 0 0 25px;
}

.purchase .bundle-offer ul li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  color: var(--default-color);
}

.purchase .bundle-offer ul li i {
  color: var(--accent-color);
  margin-right: 10px;
  font-size: 18px;
  flex-shrink: 0;
}

.purchase .bundle-offer .bundle-price {
  margin-bottom: 25px;
}

.purchase .bundle-offer .bundle-price .original {
  font-size: 18px;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  text-decoration: line-through;
  margin-right: 15px;
}

.purchase .bundle-offer .bundle-price .discounted {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-color);
}

.purchase .bundle-offer .btn-bundle {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--contrast-color);
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.purchase .bundle-offer .btn-bundle:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 20%);
  transform: translateY(-3px);
}

.purchase .bundle-offer .bundle-image img {
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.purchase .bundle-offer .bundle-image img:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .purchase .bundle-offer {
    padding: 30px;
  }

  .purchase .bundle-offer .bundle-image {
    margin-top: 30px;
    text-align: center;
  }

  .purchase .bundle-offer .bundle-image img {
    max-width: 250px;
  }

  .purchase .bundle-offer h3 {
    font-size: 22px;
  }

  .purchase .bundle-offer .bundle-price .discounted {
    font-size: 24px;
  }
}

@media (max-width: 992px) {
  .purchase .section-header h2 {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .purchase {
    padding: 60px 0;
  }

  .purchase .section-header h2 {
    font-size: 24px;
  }
}