:root {
  --color-teal: #346667;
  --color-cream: #F4F6F8;
  --color-dark: #2D2F4E;
  --color-accent: #F0783C;
  --color-secondary-dark: #2A2E3D;
  --font-primary: 'Montserrat', sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background-color: var(--color-cream);
  color: var(--color-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  line-height: 1.6;
}

main {
  max-width: 800px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

main p a {
  color: var(--color-teal);
  text-decoration: underline;
}

main p a:hover{
  color: var(--color-accent);
}

.thank-you-main{
  text-align: center;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
}

ul.thank-you-list {
  list-style-type: none;
  padding: 0;
  margin: 1.5rem auto;
  max-width: 500px;
}

ul.thank-you-list li p a {
    color: var(--color-teal);
    text-decoration: underline;
}

ul.thank-you-list li p a:hover {
    color: var(--color-accent); 
}

.thank-you-list-links li p {
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

header {
  text-align: center;
  margin-bottom: 1.5rem;
  width: 100%;
}

.logo {
  max-width: 220px;
  margin-bottom: 0.5rem;
  height: auto;
  display: block; 
  margin-left: auto;
  margin-right: auto;
}


.hero {
  text-align: center;
  max-width: 720px;
  margin: 1rem auto 2rem auto;
  padding: 0 1rem;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-teal);
  margin: 0.2rem 0 0.8rem 0;
}

.hero .book-cover {
  max-width: 160px;
  width: 100%;
  height: auto;
  margin: 1rem auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.hero p {
  max-width: 600px;
  margin: 0.5rem auto;
  line-height: 1.6;
  font-size: 1rem;
  color: var(--color-dark);
}

.download-section, .subscribe-section {
  background-color: var(--color-teal);
  color: var(--color-cream);
  padding: 1.5rem;
  border-radius: 12px;
  max-width: 700px;
  width: 95%;
  text-align: center;
  margin: 1rem auto;
  box-sizing: border-box;
}

.download-section h3, .subscribe-section h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.btn {
  background-color: var(--color-accent);
  color: #fff; /* White text */
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s;
  cursor: pointer;
  font-size: 1rem;
  display: inline-block;
}

.btn:hover {
  background-color: #d3642d;
}

footer {
  margin-top: 2rem;
  font-size: 0.75rem;
  text-align: center;
  color: var(--color-dark);
  max-width: 720px;
  line-height: 1.4;
  padding: 1rem;
  width: 100%;
  box-sizing: border-box;
}

footer p {
  margin-top: 1rem;
  font-size: 0.85rem;
}

footer p a {
  color: var(--color-teal);
  text-decoration: underline;
}

.subscribe-input {
  padding: 0.5rem;
  width: 80%;
  max-width: 280px;
  margin-bottom: 1rem;
  border: none;
  border-radius: 4px;
  box-sizing: border-box;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 2rem;
}

.card {
  background-color: var(--color-cream);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  min-height: 150px;
}

.card p {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-dark);
}

.card a.btn {
  margin-top: auto;
}

.accordion-item {
    background-color: var(--color-cream);
    border: 1px solid #ddd;
    margin-bottom: 10px;
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    background-color: var(--color-teal);
    color: var(--color-cream);
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.accordion-header:hover {
    background-color: var(--color-secondary-dark); 
}

.accordion-content {
    padding: 15px 20px;
    background-color: #f9f9f9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content p {
    margin-bottom: 10px;
    color: var(--color-dark);
}

.accordion-content a.btn {
    margin-top: 10px;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}