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

a,
p,
button {
  font-family: "Inter", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

body {
  background: #ffff;
}

.navbar {
  padding: 12px 10vw;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px) saturate(180%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: fixed;
  z-index: 999;
}

.navbar img {
  height: 30px;
}

.hero {
  display: flex;
  height: 90vh;
  align-items: center;
  justify-content: space-between;
  padding: 20px 10vw;
  background: linear-gradient(to bottom, #acdbed, #f5f5f5);
}

.hero h1 {
  font-size: clamp(4rem, 6vw, 5rem);
  letter-spacing: -0.1rem;
  color: #222;
  font-family: cursive;
  font-weight: 400;
  font-style: normal;
}

.hero .introduction-paragraph {
  max-width: 450px;
}

.hero .introduction-paragraph p {
  font-size: 1.3125rem;
  letter-spacing: -0.015em;
  line-height: 1.5;
  padding: 0 0 40px 0;
  color: #333;
}

.hero .introduction-paragraph a.join {
  text-decoration: none;
  background: #006edb;
  border: 1px solid #006edb;
  padding: 12px 20px;
  border-radius: 30px;
  color: #ffff;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.hero .introduction-paragraph a.join:hover {
  background: none;
  color: #006edb;
}

.foundation,
.creativity-design,
.share {
  padding: 5rem 10vw 20px 10vw;
  height: 90vh;
  margin: 20px 0;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: column;
}

.creativity-design {
  background: linear-gradient(to bottom, #d4eaf7, #f5f5f5);
  height: 90vh;
}

.foundation .discription,
.creativity-design .discription,
.share .discription,
.book-shelf .section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.foundation .discription h2,
.creativity-design .discription h2,
.share .discription h2,
.book-shelf h2 {
  font-size: clamp(1.7rem, 6vw, 3rem);
  font-family: "Kalam-Regular", monospace;
  color: #808080;
}

.creativity-design .discription h2 {
  color: #333;
}

.foundation .discription p,
.creativity-design .discription p,
.share .discription p,
.book-shelf .section-title p {
  font-size: 1.3125rem;
  letter-spacing: -0.015em;
  line-height: 1.34;
  max-width: 70ch;
  text-align: center;
  padding: 20px 0 30px 0;
}

.foundation .discription a,
.creativity-design .discription a,
.share .discription a {
  padding: 12px 20px;
  border-radius: 30px;
  color: #ffff;
  background: #006edb;
  text-decoration: none;
  border: #006edb 1px solid;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.foundation .illustration,
.creativity-design .illustration,
.share .illustration {
  height: 40vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 20px 0 0 0;
}

.foundation img,
.creativity-design img,
.share img {
  aspect-ratio: 1/1;
  height: 100%;
}

.foundation .discription a:hover,
.creativity-design .discription a:hover,
.share .discription a:hover {
  background: none;
  color: #006edb;
}

.foundation .discription a.empty,
.creativity-design .discription a.empty,
.share .discription a.empty {
  background: none;
  color: #006edb;
}

.foundation .discription a.empty:hover,
.creativity-design .discription a.empty:hover,
.share .discription a.empty:hover {
  background: #006edb;
  color: #ffff;
}

.book-shelf {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 0;
  background: #f5f5f5;
}

.book-shelf .section-title p {
  padding: 20px;
}

.book-shelf .book-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: auto;
  width: 100%;
}

.book-shelf .book-container .book-card {
  width: auto;
  height: 400px;
  margin: 0 5px;
  background: #808080;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.book-shelf .book-container .book-card .book-read {
  position: absolute;
  height: 40%;
  width: 100%;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  justify-content: center;
  background: linear-gradient(to top, #000000dc, transparent);
}

.book-shelf .book-container .book-card .book-read a {
  padding: 8px 16px;
  text-decoration: none;
  background: #ffff;
  border: 1px solid #ffff;
  border-radius: 30px;
  color: #000;
  transition: all 0.3s ease;
  font-size: 1.1rem;
}

.book-shelf .book-container .book-card .book-read a:hover {
  background: #000;
  border-color: #000;
  color: #ffff;
}

.book-shelf .book-container .book-card img {
  height: 100%;
}

footer {
  padding: 20px 10vw;
}

footer p {
  line-height: 1.6;
  font-family: 1rem;
}

footer p a {
  text-decoration: none;
  color: #000;
  transition: all 0.3s ease;
}

footer p a:hover {
  color: #006edb;
}

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding: 20px;
    justify-content: center;
    align-items: flex-start;
  }
  .hero h1 {
    padding-bottom: 30px;
  }
  .foundation,
  .creativity-design,
  footer {
    padding: 3rem 20px 20px 20px;
  }
}

@media (max-width: 678px) {
  .navbar {
    padding: 12px 20px;
  }
  .foundation,
  .creativity-design,
  .share,
  .creativity-design {
    min-height: 50vh;
    max-height: 85vh;
  }
}