* {
    margin: 0%;
    padding: 0%;
}

/* === book HEADER === */
.book-header {
    width: 100%;
    height: 50vh;
    position: relative;
    background: url("../images/signlanguege1.png") fixed;
    background-position: center;
    background-repeat: repeat;
    background-size: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Teal overlay */
.book-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(13, 13, 14, 0.685);
    /* same teal tone */
    z-index: 1;
}

/* Curved white bottom shape */
.book-header::after {
    content: "";
    position: absolute;
    bottom: -45px;
    /* pushes the curve down */
    left: 0;
    width: 100%;
    height: 120px;
    background: white;
    border-radius: 50% 50% 0 0;
    transform: scaleX(1.4);
    z-index: 2;
}

/* Text */
.book-header h1 {
    position: relative;
    z-index: 3;
    color: #fff;
    font-size: 48px;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
}


.book-section {
    padding: 80px 10px 10pc 25pc;
    font-family: "Merriweather", serif;
}

.book-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    flex-wrap: wrap;
}

/* LEFT SIDE */
.book-left {
    position: relative;
}

.book-img-box {
    width: 360px;
    border: 10px solid #fff;
    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.2);
}

.book-img-box img {
    width: 100%;
    display: block;
}

/* FOLLOW BOX */
.follow-box {
    width: 200px;
    background: #D4A73C;
    padding: 25px;
    text-align: center;
    color: #fff;
    position: absolute;
    left: 20pc;
    bottom: -3pc;
    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.2);
}

.follow-box h3 {
    font-size: 22px;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.follow-icons a {
    color: #fff;
    font-size: 22px;
    margin: 0 10px;
    transition: 0.3s;
}

.follow-icons a:hover {
    opacity: 0.8;
}

/* RIGHT SIDE CONTENT */
.book-right {
    max-width: 700px;
}

.book-right h4 {
    font-size: 20px;
    letter-spacing: 2px;
    color: #2F566C;
    margin-bottom: 6px;
}

.book-right h1 {
    font-size: 48px;
    font-family: "Playfair Display", serif;
    margin-bottom: 25px;
}

.book-right p {
    line-height: 1.7;
    font-size: 18px;
    margin-bottom: 20px;
}


.buy-section {
  background: #0E1A2A; 
  padding: 60px 20px;
  text-align: center;
  color: #fff;
}

.buy-section h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 40px;
}

.button-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 30px;
}

.buy-btn {
  background: #1f1f1f;
  padding: 15px 28px;
  color: #fff;
  border-radius: 30px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}

.buy-btn:hover {
  background: #D4A73C;
  color: #000;
  transform: translateY(-3px);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .buy-section h2 {
    font-size: 16px;
    line-height: 25px;
    }
    .book-section {
        padding: 0px 0px 10pc 10px;
        font-family: "Merriweather", serif;
    }

    .book-img-box {
        width: 280px;
    }

    .book-right {
        padding: 10px;
        text-align: center;
    }

    .book-right h1 {
        font-size: 22px;
    }

    .book-right h4 {
        font-size: 15px;
    }

    .book-right p {
        font-size: 15px;
    }

    .book-wrapper {
        align-items: center;
        flex-direction: column;
    }

    .follow-box {
        position: relative;
        left: 0;
        bottom: 0;
        width: auto;
    }
}

/* RESPONSIVE */
@media  (min-width: 901px) and (max-width: 1025px) {
    .book-section {
        padding: 80px 50px 10pc 50px;
        font-family: "Merriweather", serif;
    }

    .book-img-box {
        width: 280px;
    }

   

    .book-right h1 {
        font-size: 30px;
    }

    .book-right h4 {
        font-size: 15px;
    }

    .book-right p {
        font-size: 20px;
    }

    .book-wrapper {
        flex-wrap: nowrap;

    }

    .follow-box {
        position: relative;
        left: 0;
        bottom: 0;
        width: auto;
    }
    .buy-section h2 {
    font-size: 21px;}
    .buy-section {
    padding: 60px 80px;
    }
}

/* RESPONSIVE */
@media  (min-width: 1026px) and  (max-width: 1440px) {
    .book-section {
          padding: 80px 10px 10pc 10pc;
        font-family: "Merriweather", serif;
    }

 
 

 .follow-box {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: -8pc;
 
       left: 20pc;
    }
}



/* CSS */
.button-86 {
  all: unset;
  width: 100px;
  height: 30px;
  font-size: 16px;
  background: transparent;
  border: none;
  position: relative;
  color: #f0f0f0;
  cursor: pointer;
  z-index: 1;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}
 a{
    text-decoration: none;
}

.button-86::after,
.button-86::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: -99999;
  transition: all .4s;
}

.button-86::before {
  transform: translate(0%, 0%);
  width: 100%;
  height: 100%;
  background: #D4A73C;
  border-radius: 10px;
}

.button-86::after {
  transform: translate(10px, 10px);
  width: 35px;
  height: 35px;
  background: #ffffff15;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: 50px;
}

.button-86:hover::before {
  transform: translate(5%, 20%);
  width: 110%;
  height: 110%;
}

.button-86:hover::after {
  border-radius: 10px;
  transform: translate(0, 0);
  width: 100%;
  height: 100%;
}

.button-86:active::after {
  transition: 0s;
  transform: translate(0, 5%);
}