:root {
  --saffron:    #e05a00;
  --maroon:     #7b1f1f;
  --gold:       #c9922a;
  --gold-light: #f0c96e;
  --cream:      #fdf6e3;   
  --cream-dark: #f2e8cc;
  --ink:        #1e1410;   
  --ink-light:  #5c4033;
  --white:      #ffffff;

  /* each genre has its own color, i picked these myself */
  --literary:   #5b3a8c;
  --mythology:  #c9922a;
  --historical: #2e6e5a;
  --poetry:     #c24b7a;
  --thriller:   #2a3f6e;
  --short:      #7b6a1f;
  --nonfiction: #3a5c2a;
  --children:   #d45c00;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Lato', sans-serif;
}

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

html {
  scroll-behavior: smooth;  
}

body {
  font-family: var(--font-body);
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;  
}

img {
  max-width: 100%;
  display: block;   
}

a {
  color: inherit;        
  text-decoration: none; 
}

/* Quill-IA title and subtitle/tagline contents colouring and designing with the fadedown animation */

.hero {
background-color: var(--maroon);

  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(201,146,42,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(224,90,0,0.15) 0%, transparent 50%),
    repeating-linear-gradient( 45deg , transparent , transparent 30px ,
      rgba(255,255,255,0.015) 30px,
      rgba(255,255,255,0.015) 31px
    );

  color: var(--cream);
  text-align: center;
  padding: 70px 20px 40px;
  position: relative;
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;  
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.3em;  
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 14px;
  opacity: 0;
  animation: fadeDown 0.8s ease 0.2s forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4rem);  
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeDown 0.8s ease 0.4s forwards; 
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(253,246,227,0.8); 
  max-width: 520px;
  margin: 0 auto 10px;
  opacity: 0;
  animation: fadeDown 0.8s ease 0.6s forwards;
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  color: var(--gold-light);
}

.hero-divider span:not(.diamond) {
  display: block;
  width: 80px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-light));
}

.hero-divider span:first-child {
  background: linear-gradient(to left, transparent, var(--gold-light));
}

.diamond {
  font-size: 1rem;
  animation: pulse 2.5s infinite;  
}

/* Starting with the Important part The content */


.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--maroon);
  text-align: center;
  margin-bottom: 8px;
}

.section-subtext {
  text-align: center;
  color: var(--ink-light);
  font-size: 1rem;
  margin-bottom: 48px;
}

/* genre cards through css cards , learned this recently , it's pretty cool */

.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.genre-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  cursor: pointer;  
  overflow: hidden;
  border: 2px solid transparent;

  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
    opacity: 0;
    animation: slideUp 0.6s ease forwards;
}

/* making each card appear a bit after the previous one */
.genre-card:nth-child(1) { animation-delay: 0.1s; }
.genre-card:nth-child(2) { animation-delay: 0.2s; }
.genre-card:nth-child(3) { animation-delay: 0.3s; }
.genre-card:nth-child(4) { animation-delay: 0.4s; }
.genre-card:nth-child(5) { animation-delay: 0.5s; }
.genre-card:nth-child(6) { animation-delay: 0.6s; }
.genre-card:nth-child(7) { animation-delay: 0.7s; }
.genre-card:nth-child(8) { animation-delay: 0.8s; }

.genre-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}

.genre-card[data-genre="literary-fiction"] { border-top: 5px solid var(--literary); }
.genre-card[data-genre="mythology"]        { border-top: 5px solid var(--mythology); }
.genre-card[data-genre="historical"]       { border-top: 5px solid var(--historical); }
.genre-card[data-genre="poetry"]           { border-top: 5px solid var(--poetry); }
.genre-card[data-genre="thriller"]         { border-top: 5px solid var(--thriller); }
.genre-card[data-genre="short-stories"]    { border-top: 5px solid var(--short); }
.genre-card[data-genre="nonfiction"]       { border-top: 5px solid var(--nonfiction); }
.genre-card[data-genre="children"]         { border-top: 5px solid var(--children); }

.genre-card[data-genre="literary-fiction"]:hover { border-color: var(--literary); }
.genre-card[data-genre="mythology"]:hover         { border-color: var(--mythology); }
.genre-card[data-genre="historical"]:hover        { border-color: var(--historical); }
.genre-card[data-genre="poetry"]:hover            { border-color: var(--poetry); }
.genre-card[data-genre="thriller"]:hover          { border-color: var(--thriller); }
.genre-card[data-genre="short-stories"]:hover     { border-color: var(--short); }
.genre-card[data-genre="nonfiction"]:hover        { border-color: var(--nonfiction); }
.genre-card[data-genre="children"]:hover          { border-color: var(--children); }

.genre-card-inner {
  padding: 24px 20px 20px;
}

.genre-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  line-height: 1;
}

.genre-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.genre-desc {
  font-size: 0.85rem;
  color: var(--ink-light);
  margin-bottom: 16px;
  line-height: 1.5;
}

.genre-tag-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

.tag {
  background: var(--cream-dark);
  color: var(--ink-light);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 700;
}

.arrow-hint {
  color: var(--saffron);
  font-weight: 700;
  transition: transform 0.3s ease;
}

.genre-card:hover .arrow-hint {
  transform: translateX(4px);
}

/* dark background behind the popup */
.modal-overlay {
  position: fixed; 
  inset: 0;         
  background: rgba(20, 8, 4, 0.72);
  backdrop-filter: blur(4px);  
  z-index: 1000;    
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;


  opacity: 0;
  pointer-events: none;  
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--cream);
  border-radius: 18px;
  width: 100%;
  max-width: 900px;
  max-height: 88vh;   
  overflow-y: auto;  
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  border: 1px solid var(--cream-dark);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-box {
  transform: scale(1) translateY(0);
}

.modal-box::-webkit-scrollbar {
  width: 6px;
}
.modal-box::-webkit-scrollbar-track {
  background: transparent;
}
.modal-box::-webkit-scrollbar-thumb {
  background: var(--cream-dark);
  border-radius: 4px;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--cream-dark);
  position: sticky;  /* sticks to top when scrolling inside modal */
  top: 0;
  background: var(--cream);
  z-index: 10;
}

.modal-genre-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 4px;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: var(--maroon);
}

.close-btn {
  background: var(--cream-dark);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;   
  font-size: 1rem;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.3s ease, transform 0.3s ease;
  flex-shrink: 0;   
  margin-top: 4px;
}

.close-btn:hover {
  background: var(--saffron);
  color: var(--white);
  transform: rotate(90deg);
}

.author-list {
  padding: 28px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.author-card {
  display: flex;
  gap: 22px;
  background: var(--white);
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  border-left: 4px solid var(--gold);  
  opacity: 0;
  transform: translateX(-12px);
  animation: cardSlideIn 0.4s ease forwards;
}

/* stagger the cards so they dont all appear at same time */
.author-card:nth-child(1) { animation-delay: 0.05s; }
.author-card:nth-child(2) { animation-delay: 0.15s; }
.author-card:nth-child(3) { animation-delay: 0.25s; }
.author-card:nth-child(4) { animation-delay: 0.35s; }
.author-photo-wrap {
  flex-shrink: 0;
  text-align: center;
}

.author-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;  
  border: 3px solid var(--cream-dark);
  background: var(--cream-dark);
}

.author-name-under {
  font-size: 0.72rem;
  color: var(--ink-light);
  margin-top: 6px;
  text-align: center;
  max-width: 80px;
  font-weight: 700;
}

.author-details {
  flex: 1;  
}

.author-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 2px;
}

.author-years {
  font-size: 0.78rem;
  color: var(--ink-light);
  margin-bottom: 10px;
}

.book-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--cream);
  border-radius: 8px;
  padding: 12px;
}

.book-cover {
  width: 54px;
  height: 74px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.15);
  flex-shrink: 0;
  background: var(--cream-dark);
}

.book-info {
  flex: 1;
}

.book-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 3px;
}

.book-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 4px;
  font-style: italic;
}

.book-tagline {
  font-size: 0.8rem;
  color: var(--ink-light);
  margin-bottom: 12px;
  line-height: 1.5;
}

.book-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;  
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-body);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-ebook {
  background: var(--maroon);
  color: var(--white);
}

.btn-buy {
  background: var(--saffron);
  color: var(--white);
}

.btn-na {
  background: var(--cream-dark);
  color: var(--ink-light);
  cursor: default;
}

.btn-na:hover {
  transform: none;
  box-shadow: none;
}

.site-footer {
  background: var(--maroon);
  color: rgba(253,246,227,0.75);
  text-align: center;
  padding: 28px 20px;
  font-size: 0.9rem;
  line-height: 2;
}

.footer-note {
  font-size: 0.78rem;
  opacity: 0.6;
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%   { opacity: 1; }
  50%  { opacity: 0.4; }
  100% { opacity: 1; }
}

@media (max-width: 640px) {

  .author-card {
    flex-direction: column;
  }

  .author-photo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .author-photo {
    width: 60px;
    height: 60px;
  }

  .author-name-under {
    max-width: 200px;
    text-align: left;
  }
 
  .modal-header {
    padding: 20px 20px 16px;
  }

  .author-list {
    padding: 20px 20px 24px;
  }

  
  .book-row {
    flex-direction: column;
  }

  .book-cover {
    width: 46px;
    height: 64px;
  }
  
  .genre-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
  }
}