* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  color: #2A2A2A;
  line-height: 1.6;
  overflow-x: hidden;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.reveal {
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.active {
  opacity: 1;
}
.reveal.fade-up {
  transform: translateY(40px);
}
.reveal.fade-up.active {
  transform: translateY(0);
}
.reveal.fade-left {
  transform: translateX(-60px);
}
.reveal.fade-left.active {
  transform: translateX(0);
}
.reveal.fade-right {
  transform: translateX(60px);
}
.reveal.fade-right.active {
  transform: translateX(0);
}
.reveal.scale-in {
  transform: scale(0.9);
}
.reveal.scale-in.active {
  transform: scale(1);
}

a {
  text-decoration: none;
  color: inherit;
}

.book-page {
  width: 100%;
}

.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f254a 0%, rgb(10.702247191, 26.3988764045, 52.797752809) 50%, #0f254a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .hero-section {
    padding: 60px 30px;
  }
}
@media (min-width: 1024px) {
  .hero-section {
    padding: 80px 40px;
  }
}
.hero-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(61, 138, 202, 0.2) 0%, rgba(61, 138, 202, 0.08) 50%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.hero-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(61, 138, 202, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}
.hero-section .hero-content {
  max-width: 1400px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
}
@media (min-width: 1024px) {
  .hero-section .hero-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 100px;
  }
}
.hero-section .book-image-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  perspective: 1000px;
}
.hero-section .book-image-container::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(61, 138, 202, 0.3) 0%, rgba(61, 138, 202, 0.15) 40%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: pulse 4s ease-in-out infinite;
}
.hero-section .book-image-container::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(61, 138, 202, 0.35) 0%, transparent 60%);
  border-radius: 50%;
  z-index: 0;
  filter: blur(40px);
}
.hero-section .book-image-container .book-image {
  width: 100%;
  max-width: 280px;
  height: auto;
  position: relative;
  z-index: 1;
  transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
  filter: drop-shadow(0 20px 50px rgba(61, 138, 202, 0.4)) drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
  animation: fadeInLeft 1.2s ease-out;
  transform-style: preserve-3d;
}
.hero-section .book-image-container .book-image:hover {
  transform: translateY(-15px) rotateY(-5deg) scale(1.05);
  filter: drop-shadow(0 40px 100px rgba(61, 138, 202, 0.6)) drop-shadow(0 20px 60px rgba(0, 0, 0, 0.5));
}
@media (min-width: 480px) {
  .hero-section .book-image-container .book-image {
    max-width: 350px;
  }
}
@media (min-width: 768px) {
  .hero-section .book-image-container .book-image {
    max-width: 450px;
    filter: drop-shadow(0 30px 80px rgba(61, 138, 202, 0.4)) drop-shadow(0 15px 40px rgba(0, 0, 0, 0.4));
  }
}
@media (min-width: 1024px) {
  .hero-section .book-image-container .book-image {
    max-width: 520px;
  }
}
@media (min-width: 1280px) {
  .hero-section .book-image-container .book-image {
    max-width: 550px;
  }
}
.hero-section .hero-text {
  flex: 1;
  text-align: center;
  max-width: 600px;
  color: #ffffff;
}
@media (min-width: 1024px) {
  .hero-section .hero-text {
    text-align: left;
  }
}
.hero-section .hero-text h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.1;
  color: #ffffff;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  animation: fadeInRight 1s ease-out 0.3s both;
  position: relative;
  background: linear-gradient(135deg, #ffffff 0%, rgba(61, 138, 202, 0.95) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
}
@media (min-width: 480px) {
  .hero-section .hero-text h1 {
    font-size: 52px;
    margin-bottom: 24px;
  }
}
@media (min-width: 768px) {
  .hero-section .hero-text h1 {
    font-size: 64px;
    margin-bottom: 28px;
  }
}
@media (min-width: 1024px) {
  .hero-section .hero-text h1 {
    font-size: 76px;
  }
}
@media (min-width: 1280px) {
  .hero-section .hero-text h1 {
    font-size: 82px;
  }
}
.hero-section .hero-text .tagline {
  font-size: 16px;
  font-weight: 300;
  margin-bottom: 35px;
  color: rgba(248, 249, 253, 0.95);
  letter-spacing: 0.02em;
  line-height: 1.5;
  animation: fadeInRight 1s ease-out 0.6s both;
}
@media (min-width: 480px) {
  .hero-section .hero-text .tagline {
    font-size: 18px;
    margin-bottom: 40px;
  }
}
@media (min-width: 768px) {
  .hero-section .hero-text .tagline {
    font-size: 20px;
    margin-bottom: 50px;
    line-height: 1.6;
  }
}
@media (min-width: 1024px) {
  .hero-section .hero-text .tagline {
    font-size: 22px;
  }
}
.hero-section .hero-text .cta-button {
  animation: fadeInUp 1s ease-out 0.9s both;
}

.cta-button {
  display: inline-block;
  padding: 16px 40px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
@media (min-width: 480px) {
  .cta-button {
    padding: 18px 48px;
    font-size: 14px;
    letter-spacing: 1.1px;
  }
}
.cta-button.primary-cta {
  background: linear-gradient(135deg, #3D8ACA 0%, rgb(47.6785425101, 116.9473684211, 174.5214574899) 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 10px 30px rgba(61, 138, 202, 0.4), 0 0 0 0 rgba(61, 138, 202, 0.4);
}
.cta-button.primary-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgb(109.0680161943, 166.9894736842, 215.1319838057) 0%, rgb(93.0453441296, 157.3263157895, 210.7546558704) 100%);
  transition: left 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 0;
}
.cta-button.primary-cta::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 20px;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(20deg);
  transition: right 0.6s ease;
}
.cta-button.primary-cta:hover::before {
  left: 0;
}
.cta-button.primary-cta:hover::after {
  right: 150%;
}
.cta-button.primary-cta:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 15px 45px rgba(61, 138, 202, 0.6), 0 0 40px rgba(61, 138, 202, 0.3);
}
.cta-button.primary-cta:active {
  transform: translateY(-2px) scale(0.98);
}
.cta-button.primary-cta span {
  position: relative;
  z-index: 1;
}
.cta-button.secondary-cta {
  background: transparent;
  color: #ffffff;
  border: 2px solid #3D8ACA;
  box-shadow: 0 0 20px rgba(61, 138, 202, 0.2);
}
.cta-button.secondary-cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: #3D8ACA;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
  z-index: 0;
}
.cta-button.secondary-cta:hover::before {
  width: 120%;
  height: 400%;
}
.cta-button.secondary-cta:hover {
  color: #ffffff;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 35px rgba(61, 138, 202, 0.5), 0 0 30px rgba(61, 138, 202, 0.3);
  border-color: #3D8ACA;
}
.cta-button.secondary-cta span {
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .cta-button {
    padding: 22px 64px;
    font-size: 16px;
  }
}

.about-book-section {
  padding: 80px 20px;
  background: linear-gradient(180deg, #f8f9fd 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.about-book-section::before {
  content: "";
  position: absolute;
  top: 10%;
  right: 5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(61, 138, 202, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
@media (min-width: 768px) {
  .about-book-section::before {
    width: 400px;
    height: 400px;
  }
}
.about-book-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #3D8ACA 50%, transparent 100%);
}
@media (min-width: 768px) {
  .about-book-section {
    padding: 120px 40px;
  }
}
@media (min-width: 1024px) {
  .about-book-section {
    padding: 160px 40px;
  }
}
@media (min-width: 1280px) {
  .about-book-section {
    padding: 180px 40px;
  }
}
.about-book-section .content-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 10px;
}
@media (min-width: 768px) {
  .about-book-section .content-container {
    padding: 0;
  }
}
.about-book-section .content-container h2 {
  font-size: 32px;
  font-weight: 700;
  color: #0f254a;
  margin-bottom: 50px;
  text-align: center;
  letter-spacing: -0.02em;
  position: relative;
  width: 100%;
  padding: 0 20px;
}
.about-book-section .content-container h2::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, rgb(121.0850202429, 174.2368421053, 218.4149797571), #3D8ACA, rgb(45.4898785425, 111.5789473684, 166.5101214575));
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(61, 138, 202, 0.3);
}
@media (min-width: 480px) {
  .about-book-section .content-container h2 {
    font-size: 36px;
  }
}
@media (min-width: 768px) {
  .about-book-section .content-container h2 {
    font-size: 48px;
    padding: 0;
  }
}
@media (min-width: 1024px) {
  .about-book-section .content-container h2 {
    font-size: 52px;
  }
}
.about-book-section .content-container .description-content {
  margin-top: 40px;
}
@media (min-width: 768px) {
  .about-book-section .content-container .description-content {
    margin-top: 60px;
  }
}
.about-book-section .content-container .description-content p {
  font-size: 16px;
  line-height: 1.7;
  color: #2A2A2A;
  margin-bottom: 24px;
  font-weight: 400;
}
@media (min-width: 480px) {
  .about-book-section .content-container .description-content p {
    font-size: 17px;
    line-height: 1.8;
  }
}
@media (min-width: 768px) {
  .about-book-section .content-container .description-content p {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 32px;
  }
}
@media (min-width: 1024px) {
  .about-book-section .content-container .description-content p {
    font-size: 19px;
    line-height: 2;
  }
}
.about-book-section .content-container .description-content .signature {
  margin-top: 80px;
  padding-top: 60px;
  border-top: 1px solid rgba(61, 138, 202, 0.25);
  text-align: center;
}
.about-book-section .content-container .description-content .signature .signature-image {
  max-width: 280px;
  height: auto;
  opacity: 0.8;
  filter: brightness(0.7);
}
@media (min-width: 768px) {
  .about-book-section .content-container .description-content .signature .signature-image {
    max-width: 320px;
  }
}

.about-author-section {
  padding: 0;
  background: #ffffff;
  position: relative;
}
.about-author-section .author-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
@media (min-width: 1024px) {
  .about-author-section .author-content {
    flex-direction: row;
    min-height: 600px;
  }
}
.about-author-section .author-image {
  flex: 1;
  position: relative;
  min-height: 400px;
}
@media (min-width: 1024px) {
  .about-author-section .author-image {
    min-height: 600px;
  }
}
.about-author-section .author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.1);
  transition: all 0.6s ease;
}
.about-author-section .author-image img:hover {
  filter: grayscale(0%) contrast(1);
}
.about-author-section .author-bio {
  flex: 1;
  padding: 60px 30px;
  background: #0f254a;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (min-width: 480px) {
  .about-author-section .author-bio {
    padding: 70px 40px;
  }
}
@media (min-width: 768px) {
  .about-author-section .author-bio {
    padding: 80px 60px;
  }
}
@media (min-width: 1024px) {
  .about-author-section .author-bio {
    padding: 100px 80px;
  }
}
.about-author-section .author-bio h2 {
  font-size: 28px;
  font-weight: 700;
  color: #3D8ACA;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
@media (min-width: 480px) {
  .about-author-section .author-bio h2 {
    font-size: 32px;
  }
}
@media (min-width: 768px) {
  .about-author-section .author-bio h2 {
    font-size: 40px;
    margin-bottom: 32px;
  }
}
@media (min-width: 1024px) {
  .about-author-section .author-bio h2 {
    font-size: 46px;
  }
}
.about-author-section .author-bio p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 300;
}
@media (min-width: 480px) {
  .about-author-section .author-bio p {
    font-size: 17px;
    line-height: 1.8;
  }
}
@media (min-width: 768px) {
  .about-author-section .author-bio p {
    font-size: 18px;
    line-height: 1.9;
  }
}
@media (min-width: 1024px) {
  .about-author-section .author-bio p {
    font-size: 19px;
  }
}
.about-author-section .author-bio .author-link {
  color: #3D8ACA;
  font-weight: 500;
  border-bottom: 1px solid #3D8ACA;
  transition: all 0.3s ease;
}
.about-author-section .author-bio .author-link:hover {
  color: rgb(121.0850202429, 174.2368421053, 218.4149797571);
  border-bottom-color: rgb(121.0850202429, 174.2368421053, 218.4149797571);
}

.cta-box-section {
  padding: 0;
  background: #3D8ACA;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-box-section.final-cta {
  background: linear-gradient(135deg, #3D8ACA 0%, rgb(45.4898785425, 111.5789473684, 166.5101214575) 50%, #3D8ACA 100%);
}
.cta-box-section.final-cta::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 12s ease-in-out infinite;
}
.cta-box-section.final-cta::after {
  content: "";
  position: absolute;
  bottom: -30%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(15, 37, 74, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}
.cta-box-section .cta-box {
  padding: 60px 30px;
  text-align: center;
  max-width: 900px;
  width: 100%;
  position: relative;
  z-index: 1;
}
.cta-box-section .cta-box h3 {
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
@media (min-width: 480px) {
  .cta-box-section .cta-box h3 {
    font-size: 34px;
    margin-bottom: 40px;
    letter-spacing: 1.2px;
  }
}
@media (min-width: 768px) {
  .cta-box-section .cta-box h3 {
    font-size: 44px;
    margin-bottom: 48px;
    letter-spacing: 1.5px;
  }
}
@media (min-width: 1024px) {
  .cta-box-section .cta-box h3 {
    font-size: 52px;
  }
}
@media (min-width: 480px) {
  .cta-box-section .cta-box {
    padding: 80px 40px;
  }
}
@media (min-width: 768px) {
  .cta-box-section .cta-box {
    padding: 100px 60px;
  }
}
@media (min-width: 1024px) {
  .cta-box-section .cta-box {
    padding: 120px 80px;
  }
}
@media (min-width: 1280px) {
  .cta-box-section .cta-box {
    padding: 140px 80px;
  }
}

footer {
  background: #0f254a;
  padding: 60px 20px;
  text-align: center;
  border-top: 1px solid rgba(61, 138, 202, 0.25);
}
footer .footer-content {
  max-width: 1200px;
  margin: 0 auto;
}
footer .footer-content p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-family: "Roboto", sans-serif;
  letter-spacing: 0.5px;
  font-weight: 300;
}
@media (min-width: 768px) {
  footer .footer-content p {
    font-size: 15px;
  }
}

html {
  scroll-behavior: smooth;
}

/*# sourceMappingURL=style.css.map */