:root {
  --c-primary: #000052;
  --c-secondary: #7bd5ee;
  --c-light-bg: #edfbff;
  --c-white: #ffffff;
  --c-text-primary: #000052;
  --c-text-secondary: #616161;
  --c-text-on-dark: #ffffff;

  --font-manrope: 'Manrope', sans-serif;
  --font-satoshi: 'Satoshi', sans-serif;
  --font-bebas: 'Bebas Neue', 'sans-serif';
}

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

body {
  font-family: var(--font-manrope);
  background-color: var(--c-white);
  color: var(--c-text-primary);
}

.page-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 0 10%;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  padding: 22px 30px;
  background-color: var(--c-secondary);
  border-radius: 100px;
  color: var(--c-text-primary);
  font-family: var(--font-manrope);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn:hover {
    filter: brightness(0.9);
}

.btn img {
  width: 16px;
  height: 16px;
}

.text-highlight {
  color: var(--c-secondary);
}

.dark-section {
    background: var(--c-primary) url("images/footer_bg.svg") repeat-x top;
    color: var(--c-text-on-dark);
}


.Hero-dark-section {
    background: var(--c-primary) url("images/Hero_banner_bg.svg") repeat-x bottom;
    color: var(--c-text-on-dark);
}

.dark-section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.24;
    z-index: 0;
    pointer-events: none;
}


/* CSS for section section:header */
.site-header {
    background-color: var(--c-primary);
    padding: 24px 0;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 10%;
}
.logo {
    text-decoration: none;
    width: auto;
    height: 60px;
}

@media (max-width: 992px) {
    .btn {
      gap: 12px;
      padding: 16px 24px;
    }
    .container, .header-container {
        padding: 0 4%;
    }
}
@media (max-width: 768px) {
    .logo {
        text-decoration: none;
        width: auto;
        height: 42px;
    }
    .header-container {
        flex-direction: row;
        gap: 20px;
    }
}

/* CSS for section section:hero */
.hero-section {
    padding: 80px 0;
    z-index: 1;
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}
.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: flex-start;
}
.hero-title {
    font-family: var(--font-manrope);
    font-weight: 800;
    font-size: 3rem;
    line-height: 3.5rem;
    margin-bottom: 1rem;
    color: var(--c-text-on-dark);
}
.hero-subtitle {
    font-family: var(--font-manrope);
    font-weight: 400;
    font-size: 18px;
    line-height: 26px;
    color: var(--c-text-on-dark);
    max-width: 100%;
}
.hero-img-book {
    width: 50%;
    height: auto;
   
}

@media (max-width: 992px) {
    p{
        font-size: 16px;
    }
    .hero-section{
        padding: 3rem 0;
    }
    .hero-container {
        flex-direction: row;
        text-align: Left;
        gap:0.75rem;
    }
    .hero-content {
        align-items: Left;
        gap:3rem;
    }
    .hero-title {
        font-size: 36px;
        line-height: 44px;
        margin-bottom: 0.5rem;
    }
    .hero-subtitle {
        font-size: 16px;
        line-height: 24px;
    }
    .hero-img-book{
        max-width: 100%;
        height: auto;
    }
}
@media (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap:2rem;
    }
    .hero-content {
        align-items: center;
        gap:2.5rem;
    }
    .hero-title {
        font-size: 30px;
        line-height: 38px;
    }
    .hero-subtitle {
        font-size: 16px;
        line-height: 24px;
    }
    .hero-img-book{
        width: 100%;
        height: 100%;
        order: -1;
    }
}

/* CSS for section section:cta */
.cta-section {
    background-color: var(--c-light-bg);
    padding: 36px 0;
}
.cta-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}
.cta-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.cta-title {
    font-family: var(--font-manrope);
    font-weight: 800;
    font-size: 30px;
    line-height: 30px;
    color: var(--c-text-primary);
}
.cta-subtitle {
    font-family: var(--font-manrope);
    font-weight: 400;
    font-size: 18px;
    line-height: 26px;
    color: var(--c-text-secondary);
}
.cta-form {
    display: flex;
    align-items: center;
    gap: 24px;
    width: 100%;
}
.cta-input, .cta-form .btn{
    padding: 22px 24px;
    border-radius: 100px;
    border: none;
    font-family: var(--font-manrope);
    font-size: 16px;
    width: 100%;
}
@media (max-width: 992px) {
    .cta-section {
        padding: 1.5rem 0;
    }
    .cta-subtitle {
        font-size: 16px;
        line-height: 24px;
    }
    .cta-container {
        flex-direction: row;
        align-items: Left;
        gap:1rem;
    }
    .cta-form {
        flex-direction: row;
        width: auto;
        justify-content: flex-end;
        gap: 12px;
    }
    .cta-input, .cta-form .btn {
        padding: 16px 24px;
        width: 100%;
        font-size: 14px;
        width: 100%;
    }
}
@media (max-width: 768px) {
    .cta-section {
        padding: 2.5rem 0;
    }
    .cta-text {
        text-align: center;
    }
    .cta-title {
        text-align: center;
    }
    .cta-container {
        flex-direction: column;
        align-items: center;
        gap:2rem;
    }
    .cta-form {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    .cta-input, .cta-form .btn {
        padding: 16px 24px;
        width: 100%;
        font-size: 14px;
        width: 100%;
    }
}

/* CSS for section section:about-book */
.about-book-section {
    padding: 100px 0;
}
.about-book-container {
    display: flex;
    align-items: center;
    gap: 60px;
}
.about-book-content {
    flex: 1;
    max-width: 50%;
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: flex-start;
}
.about-book-title {
    font-family: var(--font-manrope);
    font-weight: 800;
    font-size: 48px;
    line-height: 56px;
    margin-bottom: 0.5rem;
}
.checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 24px;
}
.checklist img {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}
@media (max-width: 992px) {
    .about-book-section {
        padding: 4rem 0;
    }
    .about-book-container {
        flex-direction: row;
        gap: 1.5rem;
    }
    .about-book-content {
        max-width: 100%;
        align-items: Left;
        text-align: left;
    }
    .about-book-title {
        font-size: 36px;
        line-height: 44px;
    }
    .checklist {
        align-items: flex-start;
        text-align: left;
        gap:6px;
    }
    .checklist li img {
        width: 18px;
        height: 18px;
    }
}
@media (max-width: 768px) 
{
    .about-book-title {
        font-size: 30px;
        line-height: 38px;
        margin-bottom: 0.5rem;
    }
    .about-book-section {
        padding: 3rem 0;
    }
    .about-book-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    .about-book-content {
        max-width: 100%;
        align-items: center;
        text-align: center;
    }
    .checklist {
        align-items: flex-start;
        text-align: left;
        gap:8px;
    }
    .checklist li img {
        width: 18px;
        height: 18px;
    }
}

/* CSS for section section:features */
.features-section {
    padding: 100px 0;
    background-color: var(--c-white);
}
.features-title-block {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.features-title {
    font-family: var(--font-manrope);
    font-weight: 800;
    font-size: 48px;
    line-height: 56px;
}
.features-subtitle {
    font-size: 16px;
    line-height: 24px;
    color: var(--c-text-primary);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 90px;
}
.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
}
.feature-icon-wrapper {
    width: 108px;
    height: 108px;
    border-radius: 100px;
    background-color: var(--c-light-bg);
    display: flex;
    justify-content: center;
    align-items: center;
}
.feature-icon-wrapper img {
    width: 60px;
    height: 60px;
}
.feature-title {
    font-family: var(--font-manrope);
    font-weight: 800;
    font-size: 26px;
    line-height: 34px;
}
.feature-description {
    font-size: 16px;
    line-height: 24px;
}
@media (max-width: 992px) {
    .feature-card {
        gap: 18px;
    }
    .features-section{
        padding: 4rem 0;
    }
    .features-grid {
        gap: 2.5rem;
    }
    .feature-title {
        font-size: 22px;
        line-height: 30px;
        margin-bottom:0.5rem;
    }
    .feature-icon-wrapper {
        width: 90px;
        height: 90px;
        border-radius: 1000px;
    }
    .feature-icon-wrapper img {
        width: 2,5rem;
        height: 2.5rem;
    }
}
@media (max-width: 768px) {
    .features-section {
        padding: 1rem 0 4rem 0;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .features-title {
        font-size: 30px;
        line-height: 38px;
    }
}

/* CSS for section section:footer */
.site-footer {
    padding: 90px 0 30px;
    z-index: 1;
}
.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 36px;
    max-width: 840px;
}
.footer-logo {
    margin-bottom: -12px; /* Adjust based on visual */
}
.footer-description {
    font-size: 16px;
    line-height: 24px;
    color: var(--c-text-on-dark);
}
.social-media {
    display: flex;
    gap: 8px;
}
.social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--c-white);
    border-radius: 60px;
    transition: background-color 0.3s ease;
}
.social-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
.social-link img {
    width: 24px;
    height: 24px;
}
.footer-bottom {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.footer-divider {
    width: 100%;
    border: none;
    height: 1px;
    background-color: var(--c-white);
    opacity: 0.18;
}
.copyright {
    font-family: var(--font-satoshi);
    font-size: 16px;
    line-height: 24px;
    color: var(--c-text-on-dark);
    text-align: center;
}
.copyright .text-highlight {
    font-family: var(--font-manrope);
    font-weight: 700;
}