@import url('/fonts/font-Raleway.css');

:root {
	--white: #fff;
	--u-black: #303031;
}
:root {
  --font-family: "Raleway", sans-serif;
  --second-family: "Alice", sans-serif;
  --third-family: "Vollkorn", sans-serif;
  --font3: "Inter", sans-serif;
}

* {
    box-sizing: border-box;
} 
/* CSS Variables for Colors */
:root {
  --primary-main: #ed5e28;
  --primary-light: #ff8f5a;
  --primary-dark: #b8421c;
  --primary-contrast: #ffffff;
  
  --secondary-main: #36bfa8;
  --secondary-light: #68d1ba;
  --secondary-dark: #2a8f7a;
  
  --info-main: #2a65d9;
  --info-light: #5c85e3;
  --info-dark: #1e4ba7;
  
  --text-primary: #303031;
  --text-secondary: #7c818c;
  --text-disabled: #595479;
  
  --background-default: #ffffff;
  --background-paper: #ffffff;
  
  --grey-50: #edf0f5;
  --grey-100: #d8d7fa;
  --grey-200: #c4d5fa;
  --grey-300: #c3ede6;
  --grey-400: #ffd5c6;
  --grey-500: #7c818c;
  --grey-600: #595479;
  --grey-700: #7164cc;
  --grey-800: #303031;
  --grey-900: #1a1a1b;
  
  --border-radius: 5px;
  
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


body {
    margin:0;
    padding:0;
    color: #303031;
    font-family: 'Raleway', sans-serif;
    background-color: var(--background-default);
    color: var(--text-primary);
    line-height: 1.6;
}
.books-top-section .bookPage {
  height: 1px;
  margin: 0;
  opacity: 0;
  border: 0;
  min-height: 1px;
}
.rootPage25>section, 
.rootPage25.contact-section>div,
.more-features-content, .features-grid,
.footer-content, .books-top-section .bookPage{
    margin: 0 auto;
    max-width: 1438px;
}
.titleBlock {
    flex-basis: max( calc( (100vw - 1506px) / 2 ), 193px)!important;
    padding-left: 1rem;
}
.profileLink a:before {
    bottom: 3px!important;
    top: unset;
}
a.msu-logo {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    text-decoration: none;
}
.msu-logo img {
  max-width: 280px;
  margin-right: 36px;
}
.msu-logo span>svg {
  width: 73px!important;
}
.pageNav {
    display: flex;
    flex-direction: row;
    align-items: center;
    align-content: center;
    opacity: 0;
    cursor: unset;
    pointer-events: none;
}
/* Button Styles */
.btn-primary,
.newsletter-btn {
  background-color: var(--primary-main);
  color: var(--primary-contrast);
  border: none;
  border-radius: var(--border-radius);
  padding: 12px 24px;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.19px;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.3s ease;
  font-family: 'Raleway', sans-serif;
}
.btn-primary:hover {
  background-color: var(--u-black);
}
.btn-primary:active {
  background-color: var(--grey-900);
}


.books-top-section {
    margin-top: 150px;
}
.books-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
  margin-bottom: 64px;
}
.books-text-left {
  flex: 1;
  max-width: 560px;
}
.books-subtitle {
  color: var(--text-secondary);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.19px;
  line-height: 30.40px;
  margin-bottom: 32px;
}
.books-text-right {
  flex: 1;
  max-width: 588px;
}
.books-description {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 400;
  line-height: 34.50px;
  margin-bottom: 40px;
}
.books-illustration {
  display: flex;
  justify-content: center;
  margin-bottom: 64px;
}
.books-image {
  width: 100%;
  max-width: 1440px;
  height: auto;
}

/* About Section */
.about-section {
  padding: 64px 0;
}
.about-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
}
.about-label {
  color: var(--text-secondary);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.19px;
  min-width: 226px;
}
.about-main {
  flex: 1;
  max-width: 955px;
}
.about-title {
  color: var(--text-primary);
  margin-bottom: 32px;
      font-family: 'Alice', serif;
    font-size: 45px;
    font-weight: 400;
    letter-spacing: -0.45px;
    line-height: 56.25px;
    margin-top: 0;
}
.about-columns {
  display: flex;
  gap: 32px;
}
.about-text {
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.19px;
  line-height: 30.40px;
  flex: 1;
}
.about-text-dark {
  color: #101828;
}
.video-container {
    border-radius: 0.4rem;
}

/* Textbooks Section */
.textbooks-section {
  padding: 64px 0;
}

.textbooks-grid {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  justify-content: center;
}

.textbook-card {
  border-radius: var(--border-radius);
  padding: 24px;
  position: relative;
  display: flex;
  height: 600px;
		width: 450px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.textbook-card-narrow {
  width: 468px;
}

.textbook-card-orange {
  background-color: var(--grey-400);
}

.textbook-card-teal {
  background-color: var(--grey-300);
}

.textbook-card-blue {
  background-color: var(--grey-200);
}

.textbook-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.textbook-year {
  color: var(--text-primary);
  font-size: 19px;
  font-weight: 400;
}

.textbook-letter {
    font-family: 'Alice', serif;
    font-size: 450px;
    font-weight: 400;
    line-height: 0.6;
    position: absolute;
    right: 14px;
    top: -126px;
    z-index: 1;
}

.textbook-letter-orange {
  color: var(--primary-main);
}

.textbook-letter-teal {
  color: var(--secondary-main);
}

.textbook-letter-blue {
  color: var(--info-main);
}

.textbook-hover {
  display: none;
}
.textbook-hover p {
      display: flex;
    align-items: center;
    margin-top: 0;
}
.textbook-hover p img {
  margin-right: 1rem;
}
.textbook-footer {
    z-index: 2;
    position: relative;
    display: flex;
    min-height: 270px;
    flex-wrap: wrap;
    align-content: space-between;
    flex-direction: column;
    justify-content: flex-start;
}
.textbook-card.back div, .textbook-footer div {
    margin-bottom: 0.7rem;
    margin-top: auto;
}
.textbook-footer .btn-primary, .textbook-card.back .btn-primary {
  color: var(--grey-800);
  background-color: transparent;
  border: solid #101828 1px;
}

.textbook-author {
  color: var(--text-primary);
  font-size: 19px;
  font-weight: 400;
  margin-bottom: 8px;
}

.textbook-title {
  color: var(--text-primary);
  font-family: 'Alice', serif;
  font-size: 35px;
  letter-spacing: -0.45px;
      font-size: 35px;
    margin: 0;
    line-height: 40px;
}

.textbooks-cta {
    margin-top: 2rem;
    text-align: center;
}

#hvButton, .hvButton {
  display: none;
}
#bookshelf {
		padding-top: 0;
	}




  

	.front {
		/*transform: rotateY(0deg);*/
		z-index: 2;
		/* transform-origin: left;
		transition: transform 0s ease-in-out; */
	}
  @media (pointer: fine) {
	.flip-container:hover .front{
		/* transform: rotateY(-90deg); */
		display:none;
	}
	}
	.flip-container.hover .front {
		/* transform: rotateY(-90deg); */
		display:none;
	}

	.back {
		z-index: 1;
		position: relative;
		top: 0;
		background-color:#EDF0F5;
	}
  @media (pointer: fine) {
	.flip-container:hover .back {
		display: flex;
	}
	}
	.flip-container.hover .back {
		display: flex;
	}
.swiper-pagination-bullets.swiper-pagination-horizontal {
    display: flex;
    max-width: 1438px;
    margin: 1.5rem auto;
    justify-content: center;
}
.swiper-arrow-nav {
    max-width: 1438px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    
}
.swiper-button-next:after {
    content: '.';
    background-image: url("/i/nextPage.svg");
    background-repeat: no-repeat;
    background-size: 38px;
    width: 100px;
    filter: opacity(0.8);
    color: transparent;
    user-select: none;
    
    height: auto;
    background-position-x: -10px;
}
.swiper-button-prev:after {
    content: '.';
    background-image: url("/i/prevPage.svg");
    background-repeat: no-repeat;
    background-size: 38px;
    width: 100px;
    filter: opacity(0.8);
    color: transparent;
    user-select: none;
    height: auto;
    background-position-x: -1px;
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
  filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(4200%) hue-rotate(298deg) brightness(96%) contrast(101%) opacity(1);
}
.swiper-button-next, .swiper-button-prev {
    position: relative;
    top: var(--swiper-navigation-top-offset,50%);
    width: calc(var(--swiper-navigation-size)/ 44 * 27);
    height: var(--swiper-navigation-size);
    margin-top: calc(0px - (var(--swiper-navigation-size)/ 2));
    z-index: 10;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    color: var(--swiper-navigation-color,var(--swiper-theme-color));
    flex-wrap: wrap;
    align-content: center;
    justify-content: space-between;
    margin: 1rem 1.2rem;
}
.swiper-button-next {
  margin-right: 0;
}
.swiper-pagination-bullet-active {
  background-color: var(--primary-main);
  filter: brightness(0) saturate(100%) invert(13%) sepia(5%) saturate(268%) hue-rotate(202deg) brightness(91%) contrast(82%);
}

.swiper-slide {
    flex-shrink: 0.278;
    z-index: 900;
}

/* Features Section */
.features-section {
  max-width: 100%!important;
  background-color: var(--grey-50);
}

.features-grid {
    padding: 64px 0;
  display: flex;
  gap: 32px;
  justify-content: space-between;
}

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 457px;
    flex-basis: calc(33.33% - 1em);
}

.feature-icon img {
    object-fit: contain;
    width: 100%;
    height: auto;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-title {
  color: var(--text-primary);
  font-size: 23px;
  margin: 0;
  font-weight: 700;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 19px;
    font-weight: 400;
    margin-top: 0;
    line-height: 30.40px;
}

/* more-features Benefits Section */
.more-features-section {
  background-color: var(--grey-100);
  max-width: 100%!important;
}
.more-features-content {
    padding: 64px 0;
}
.more-features-header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 64px;
  margin-bottom: 64px;
}

.more-features-title {
  color: var(--text-primary);
  max-width: 712px;
  margin-top: 1rem;
}

.more-features-cta {
    max-width: 700px;
    margin-bottom: 4rem;
}

.more-features-description {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 400;
  line-height: 34.50px;
  margin-bottom: 40px;
}

.benefits-grid {
  display: flex;
  gap: 32px;
  justify-content: space-between;
}

.benefit-card {
  display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 457px;
    flex-basis: calc(33.33% - 1em);
}

.benefit-icon {
  border-radius: var(--border-radius);
  /* width: 469px;
  height: 350px; */
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon-purple {
  background-color: var(--grey-700);
}

.benefit-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.benefit-mockup {
  border-radius: var(--border-radius);
  width: 469px;
  height: 350px;
  background-image: url('public/images/interface-mockup-bg.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.benefit-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benefit-title {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 700;
  margin: 0;
}

.benefit-description {
  color: var(--grey-600);
  font-size: 19px;
  font-weight: 400;
  line-height: 30.40px;
  margin: 0;
}

/* Newsletter Section */
.newsletter-section {
  padding: 64px 0;
  margin: 0 auto;
  max-width: 1438px;
}

.newsletter-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
}

.newsletter-text {
  flex: 1;
  max-width: 712px;
}

.newsletter-title {
  color: var(--text-primary);
  margin-bottom: 40px;
}

.newsletter-description {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 400;
  line-height: 34.50px;
  margin-bottom: 40px;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.newsletter-input {
  background-color: var(--background-paper);
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 19px;
  width: calc(100% - 2px);
  font-weight: 400;
  color: var(--text-secondary);
  font-family: 'Raleway', sans-serif;
}

.newsletter-input::placeholder {
  color: var(--text-secondary);
}

.newsletter-illustration {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.newsletter-illustration img {
  width: 547px;
  height: 270px;
  border-radius: 4px;
}
.newsletter-info.dc2ok:before {
    content: url("/i/ok.svg");
    margin-right: 0.5rem;
}
.newsletter-info.dc2ok {
    background-color: #D6F3E4;
    padding: 12px 20px 12px 30px;
    font-size: 23px;
    border-radius: 0.3rem;
    margin-bottom: 3rem;
}
.newsletter-info.dc2warning {
  background-color: #FFEDB8;
    padding: .5rem 1rem .5rem;
    border: unset;
    font-size: 23px;
    border-left: unset;
    margin-bottom: 3rem;
}
.newsletter-info.dc2error {
  background-color: #FFCFCA;
    padding: .5rem 1rem .5rem;
    font-size: 23px;
    border: unset;
    border-left: unset;
    margin-bottom: 3rem;
}

/* Contact Section */
.contact-section {
  background-color: var(--grey-50);
 
}

.contact-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
  align-items: center;
   padding: 64px 0;
}

.contact-title, .newsletter-title, .more-features-title {
  color: var(--text-primary);
  max-width: 695px;
      font-family: 'Alice', serif;
    font-size: 45px;
    font-weight: 400;
    letter-spacing: -0.45px;
    line-height: 56.25px;
}
.newsletter-title, .more-features-title {
  font-size: 80px;
  line-height: 100%;
  margin: 0;
}

.contact-card {
  background-color: var(--background-paper);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  width: 591px;
}

.contact-info {
  flex: 1;
}

.contact-name {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 700;
  margin-bottom: 4px;
  margin-top: 0;
}

.contact-role {
  color: var(--text-secondary);
  font-size: 19px;
  margin-top: 0;
  font-weight: 400;
  margin-bottom: 16px;
}

.contact-email {
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 400;
  text-decoration: underline;
}

.contact-avatar img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  padding: 24px 32px;
  margin-top: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  color: var(--primary-contrast);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.19px;
  opacity: 0.4;
}

.footer-nav {
  display: flex;
  gap: 32px;
}

.footer-link {
  color: var(--primary-contrast);
  text-decoration: none;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.19px;
  transition: opacity 0.3s ease;
}

.footer-link:hover {
  opacity: 0.8;
}
.canva aside.desktoponly {
  display: none;
}

/* Responsive Design */
@media (max-width: 1470px) {
  .benefit-card, .feature-card {
    max-width: 29vw;
  }
  .rootPage25>section, .rootPage25.contact-section>div {
    padding: 32px 16px;
}
.books-top-section {
  padding: 32px 16px 32px!important;
}
.newsletter-section {
  padding: 64px 12px;
  margin: 1rem 16px;
}
.books-description {
    max-width: 87%;
}
}


@media (max-width: 1200px) {
  
  .books-content,
  .about-content,
  .more-features-header,
  .contact-content {
    gap: 45px;
  }
  .contact-title, .newsletter-title, .more-features-title,
  .more-features-description {
    max-width: 100%;
}
.newsletter-title, .more-features-title {
    font-size: 60px;
}
  
  .textbooks-grid, .features-grid, .benefits-grid {
    flex-wrap: wrap;
    width: 97%;
    justify-content: center;
}
  .textbook-card {
    max-width: 100%;
  }
  
  h1 {
    font-size: 60px;
    line-height: 60px;
  }
  
  h2 {
    font-size: 36px;
    line-height: 45px;
  }
  .benefit-card, .feature-card {
    max-width: 24vw;
  }
  .books-subtitle {
    font-size: 16px;
  }
  .books-description {
    font-size: 19px;
    max-width: 87%;
  }
  .books-text-left {
    max-width: 50%;
    display: flex;
    flex-basis: 50%;
    width: 50%;
    align-items: flex-start;
    flex-direction: column;
}
.books-text-right {
    flex: 1;
    max-width: 100%;
    width: 69%;
}
.newsletter-form {
    align-items: flex-start;
    flex-direction: column;
}
.newsletter-illustration {
    justify-content: center;
    width: 100%;
}
.newsletter-text {
    width: 100%;
}
}
@media (max-width: 900px) {
  .books-content, .about-content, .more-features-header, .contact-content {
    flex-direction: column;
    gap: 32px;
}
.books-text-left {
    max-width: 90%;
    display: flex;
    flex-basis: 90%;
    width: 90%;
    align-items: flex-start;
    flex-direction: column;
}
.books-description {
    max-width: 97%;
}
  .newsletter-content {
  flex-direction: column-reverse;
  }

  .newsletter-text {
    margin-bottom: 3rem;
  }
  .hvButton {
    display: block;
    position: absolute;
    right: 0.9rem;
    bottom: 1.6rem;
    pointer-events: none;
}
  .front .hvButton {
    bottom: 0.1rem;
    right: -0.6rem;
}
  .btn-primary, .newsletter-btn {
      font-size: 16px;
  }
}


@media (max-width: 800px) {
  .benefit-card, .feature-card {
    max-width: 40vw;
    flex-basis: calc(33.33% + 4em);
}
.navBlock {
    width: 47%;
    margin-left: 0;
    flex-basis: calc( min(1000px, 100vw - 600px));
    margin-right: 0;
}
.more-features-header {
    margin-bottom: 16px;
}
a.dc2input.profileLink.pageSet {
    justify-content: flex-end;
}
.titleBlock {
    justify-content: flex-start;
  }
.swiper-button-next, .swiper-button-prev {
    filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(4200%) hue-rotate(298deg) brightness(96%) contrast(101%) opacity(1);
}
}

@media (max-width: 768px) {
  .rootPage25>section, .rootPage25.contact-section>div, .more-features-content, 
  .features-grid, .footer-content, .books-top-section .bookPage, .newsletter-section {
    margin: 0;
    padding: 0 12px;
    gap:0;
}
a.dc2input.profileLink.login:before {
    left: 0;
}
.hc-nav-trigger span {
    margin-left: 1.6rem;
}
  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  a.msu-logo {
    width: 100%;
  }
  a.msu-logo img {
    width: 70%;
    margin-right: 17px;
  }
  .msu-logo span>svg {
    width: 57px!important;
}

  
  .profileLinks {
    flex-basis: 150px;
    margin-right: .5rem;
}
  .nav {
    gap: 16px;
  }
  .newsletter-title, .more-features-title {
    font-size: 40px;
    margin-top: 1rem;
}
.textbook-card, .feature-card, .benefit-card {
    max-width: 100%;
    flex-basis: 100%;
}
.textbook-card.back {
  position: relative;
  z-index: 50;
}
.textbook-card.front .btn-primary {
  position: relative;
  z-index: 100;
}
  .textbook-letter {
    font-size: 250px;
    top: -77px;
  }
  .textbook-title {
    font-size: 33px;
    line-height: 40.25px;
  }
  .about-title {
    font-size: 27px;
    letter-spacing: -1%;
    line-height: 125%;
}
  .about-columns {
    flex-direction: column;
}
.books-text-right {
    max-width: 100%;
    width: 93%;
}

.textbooks-cta {
    margin: 2rem 0;
    margin-bottom: 4rem;
    text-align: left;
}
.swiper-pagination-bullets.swiper-pagination-horizontal {
    display: flex;
    max-width: 1438px;
    margin: 1.5rem auto;
    justify-content: flex-start;
}
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-input {
    width: 100%;
  }
  
  h1 {
    font-size: 48px;
    line-height: 48px;
  }
  
  h2 {
    font-size: 32px;
    line-height: 40px;
  }
.textbooks-grid, .features-grid, .benefits-grid {
    padding-bottom: 2rem;
}
  .footer-content {
    justify-content: space-between;
    align-items: center;
    flex-direction: column-reverse;
}
.books-text-left {
    flex-direction: column;
}
.newsletter-illustration img {
    width: 100%;
    height: auto;
}

.contact-card {
    width: 100%;
    margin-bottom: 1rem;
    padding: 26px;
    flex-direction: column-reverse;
    align-items: flex-start;
}
}