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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 21px;
  color: #4a1942;
  line-height: 1.9;
}


/* navigation */
nav {
  background-color: #fce7f3;
  border-bottom: 2px solid #f9a8d4;
  padding: 18px 30px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav a {
  color: #9d174d;
  text-decoration: none;
  margin: 0 18px;
  font-size: 16px;
  font-family: Arial, sans-serif;
  letter-spacing: 0.5px;
}

nav a:hover {
  color: #db2777;
  text-decoration: underline;
}


/* hero */
.hero {
  background-color: #fce7f3;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 3.2rem;
  color: #831843;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero p {
  font-size: 1.15rem;
  color: #9d174d;
  margin-bottom: 12px;
}

.book-img {
  width: 180px;
  border-radius: 10px;
  margin: 25px auto;
  display: block;
  box-shadow: 0 6px 18px rgba(131, 24, 67, 0.2);
}

.btn {
  display: inline-block;
  background-color: #db2777;
  color: white;
  padding: 14px 38px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: bold;
  margin-top: 20px;
}

.btn:hover {
  background-color: #be185d;
}


/* section backgrounds */
.section-pink {
  background-color: #fff0f6;
  padding: 65px 20px;
  text-align: center;
}

.section-lavender {
  background-color: #f5f0ff;
  padding: 65px 20px;
  text-align: center;
}

.section-peach {
  background-color: #fff4ef;
  padding: 65px 20px;
  text-align: center;
}


/* headings */
h2 {
  font-size: 2.4rem;
  color: #831843;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

h3 {
  font-size: 1.5rem;
  color: #9d174d;
  margin: 35px 0 15px 0;
}


/* gif — no frame, displayed big */
.full-gif {
  width: 100%;
  max-width: 520px;
  display: block;
  margin: 28px auto;
  border-radius: 0;
}

/* small reading book gif in the middle of transform section */
.book-gif {
  width: 160px;
  display: block;
  margin: 0 auto 10px auto;
  border-radius: 8px;
}

.caption {
  font-size: 0.95rem;
  color: #be185d;
  font-style: italic;
  margin-top: -10px;
  margin-bottom: 20px;
}


/* content boxes */
.box {
  background-color: white;
  border-left: 5px solid #f9a8d4;
  border-radius: 10px;
  padding: 22px 26px;
  margin: 14px auto;
  max-width: 640px;
  text-align: left;
  box-shadow: 0 2px 8px rgba(219, 39, 119, 0.07);
}

.box strong {
  display: block;
  margin-bottom: 6px;
  color: #9d174d;
  font-size: 1.1rem;
}

.box p {
  color: #6b4155;
  font-size: 1rem;
}


/* transformation */
.transform-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 25px;
  flex-wrap: wrap;
  margin-top: 35px;
}

.transform-box {
  width: 310px;
  text-align: center;
}

.transform-box p {
  font-size: 1rem;
  color: #6b21a8;
  margin-top: 12px;
}

.before-label {
  font-size: 1.3rem;
  font-weight: bold;
  color: #dc2626;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.after-label {
  font-size: 1.3rem;
  font-weight: bold;
  color: #16a34a;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.arrow-col {
  text-align: center;
  color: #a855f7;
  font-size: 1rem;
  padding-top: 60px;
  line-height: 2.2;
}

.big-arrow {
  font-size: 2rem;
  color: #d946ef;
}


/* table */
table {
  margin: 25px auto;
  border-collapse: collapse;
  max-width: 660px;
  width: 100%;
  font-size: 1rem;
}

th {
  background-color: #f9a8d4;
  color: #831843;
  padding: 13px 16px;
  font-size: 1rem;
}

td {
  padding: 13px 16px;
  border: 1px solid #fce7f3;
  text-align: center;
}

tr:nth-child(even) {
  background-color: #fff0f6;
}

.check {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: #db2777;
}

#progress-msg {
  margin-top: 18px;
  font-size: 1rem;
  color: #9d174d;
}


/* quote */
.quote-box {
  background-color: white;
  border-radius: 16px;
  padding: 45px 38px;
  max-width: 680px;
  margin: 30px auto;
  box-shadow: 0 4px 18px rgba(167, 139, 250, 0.18);
}

.big-quote {
  font-size: 1.45rem;
  font-style: italic;
  color: #6d28d9;
  line-height: 2;
  margin-bottom: 18px;
}

.quote-box p:last-child {
  font-size: 0.95rem;
  color: #a855f7;
}


/* footer */
.footer {
  margin-top: 40px;
  font-size: 0.85rem;
  color: #c084fc;
  font-style: italic;
}


/* fade in */
.fade-in {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}