:root {
  --amber: #F5A623;
  --amber-dark: #E8941A;
  --amber-light: #FBBF47;
  --amber-pale: #FEF3D7;
  --black: #1A1008;
  --ink: #2C1A05;
  --blue-accent: #4A8DB7;
  --blue-light: #7BB8D4;
  --green-accent: #5A8C5A;
  --cream: #FFFBF0;
  --border-width: 3px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--amber);
  color: var(--ink);
  font-family: 'Nunito', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: 'Alfa Slab One', serif;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); color: var(--black); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); color: var(--black); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); color: var(--black); }

/* ── HEADER / NAV ── */
header {
  background: var(--black);
  border-bottom: 5px solid var(--amber-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

header > div {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

header p {
  font-family: 'Alfa Slab One', serif;
  font-size: 1.4rem;
  color: var(--amber);
  padding: 0.8rem 0;
  letter-spacing: 0.02em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 0.2rem;
  flex-wrap: wrap;
  padding: 0.5rem 0;
}

nav ul li a {
  display: block;
  color: var(--amber-light);
  text-decoration: none;
  font-weight: 900;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.7rem;
  border-radius: 4px;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

nav ul li a:hover {
  color: var(--black);
  background: var(--amber);
  border-color: var(--amber);
}

/* ── CARD / SECTION STYLE ── */
section {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.card {
  background: var(--cream);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 2.5rem;
  box-shadow: 6px 6px 0 var(--black);
  position: relative;
}

.card-amber {
  background: var(--amber-light);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 2.5rem;
  box-shadow: 6px 6px 0 var(--black);
}

/* ── HERO ── */
#hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  margin-bottom: 1rem;
  animation: fadeUp 0.6s ease both;
}

.hero-text .subtitle {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--black);
  margin-bottom: 1rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero-text .tagline {
  font-size: 1.1rem;
  color: var(--ink);
  max-width: 500px;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn {
  display: inline-block;
  font-family: 'Alfa Slab One', serif;
  font-size: 1rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  text-decoration: none;
  border: var(--border-width) solid var(--black);
  box-shadow: 4px 4px 0 var(--black);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--black);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--black);
}

.btn-primary {
  background: var(--black);
  color: var(--amber);
}

.btn-secondary {
  background: var(--cream);
  color: var(--black);
}

.hero-image {
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero-image img {
  width: 280px;
  max-width: 100%;
  border: 4px solid var(--black);
  box-shadow: 10px 10px 0 var(--black);
  display: block;
  border-radius: 4px;
}

/* ── ABOUT THE BOOK ── */
#book .card p {
  margin-bottom: 1rem;
  color: var(--ink);
}

#book .card p:last-child { margin-bottom: 0; }

#book .section-label {
  font-family: 'Alfa Slab One', serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 0.75rem;
  display: block;
}

#book h2 { margin-bottom: 1.5rem; }

/* ── HIGHLIGHTS ── */
#highlights .card-amber h2 { margin-bottom: 1.5rem; }

#highlights ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

#highlights ul li {
  background: var(--cream);
  border: 2px solid var(--black);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  padding-left: 3rem;
  position: relative;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--black);
  line-height: 1.4;
}

#highlights ul li::before {
  content: '★';
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--amber-dark);
  font-size: 1.1rem;
}

/* ── BACK COVER ── */
#back-cover {
  text-align: center;
}

#back-cover .card {
  background: var(--black);
  border-color: var(--amber);
  box-shadow: 6px 6px 0 var(--amber-dark);
}

#back-cover .card h2 {
  color: var(--amber);
  margin-bottom: 1.25rem;
}

#back-cover .card p {
  color: var(--amber-pale);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 1rem;
  font-style: italic;
}

/* ── EXCERPTS ── */
#excerpts h2 { margin-bottom: 2rem; }

.excerpt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.excerpt-card {
  background: var(--cream);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: 5px 5px 0 var(--black);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.excerpt-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--black);
}

.excerpt-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--black);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 0.5rem;
}

.excerpt-card blockquote {
  border: none;
  padding: 0;
  margin: 0;
}

.excerpt-card blockquote p {
  font-style: italic;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.excerpt-card blockquote p:last-child { margin-bottom: 0; }

/* ── AUTHOR ── */
#author .card {
  background: var(--amber-light);
}

#author .card h2 { margin-bottom: 1.25rem; }

#author .card p {
  margin-bottom: 1rem;
  color: var(--ink);
}

#author .card p:last-child { margin-bottom: 0; }

/* ── REVIEWS ── */
#reviews h2 { margin-bottom: 2rem; }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--black);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: 5px 5px 0 var(--amber-dark);
  text-align: center;
  transition: transform 0.15s ease;
}

.review-card:hover {
  transform: translate(-2px, -2px);
}

.review-card blockquote p {
  font-family: 'Alfa Slab One', serif;
  color: var(--amber);
  font-size: 1.15rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.review-card blockquote footer {
  color: var(--amber-light);
  font-size: 0.85rem;
  font-weight: 700;
  font-style: italic;
}

.review-card blockquote footer::before {
  display: none;
}

/* ── BUY ── */
#buy .card { text-align: center; }
#buy .card h2 { margin-bottom: 1rem; }
#buy .card > p { margin-bottom: 1.5rem; color: var(--ink); }

#buy ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1.5rem;
}

#buy ul li a {
  display: inline-block;
  font-family: 'Alfa Slab One', serif;
  font-size: 1rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  text-decoration: none;
  background: var(--black);
  color: var(--amber);
  border: var(--border-width) solid var(--black);
  box-shadow: 4px 4px 0 var(--amber-dark);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#buy ul li a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--amber-dark);
}

#buy .buy-meta {
  color: var(--ink);
  font-size: 0.95rem;
}

/* ── FAQ ── */
#faq h2 { margin-bottom: 2rem; }

.faq-grid {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: var(--cream);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: 4px 4px 0 var(--black);
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  color: var(--black);
}

.faq-item p {
  color: var(--ink);
  font-size: 0.95rem;
}

/* ── CONTACT ── */
#contact .card-amber h2 { margin-bottom: 1rem; }
#contact .card-amber p { margin-bottom: 0.5rem; color: var(--ink); }
#contact .card-amber a { color: var(--black); font-weight: 700; }

/* ── FOOTER ── */
footer {
  background: var(--black);
  border-top: 5px solid var(--amber-dark);
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

footer p {
  color: var(--amber);
  font-family: 'Alfa Slab One', serif;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* ── SECTION DIVIDERS ── */
.squiggle-divider {
  text-align: center;
  font-size: 1.5rem;
  color: var(--black);
  opacity: 0.3;
  letter-spacing: 0.5em;
  padding: 0.5rem 0;
  user-select: none;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ── BUY PAGE ── */
nav ul li a.nav-active {
  color: var(--black);
  background: var(--amber);
  border-color: var(--amber);
}

#buy-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.buy-hero-text h1 {
  margin-bottom: 0.75rem;
  animation: fadeUp 0.6s ease both;
}

.buy-hero-text .section-label {
  font-family: 'Alfa Slab One', serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  opacity: 0.5;
  margin-bottom: 0.5rem;
  display: block;
  animation: fadeUp 0.6s ease both;
}

.buy-hero-text .subtitle {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--black);
  margin-bottom: 1rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.buy-hero-text .tagline {
  font-size: 1.05rem;
  color: var(--ink);
  max-width: 500px;
  margin-bottom: 2rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.buy-hero-text .btn {
  animation: fadeUp 0.6s 0.3s ease both;
}

#purchase-options h2 { margin-bottom: 0.5rem; }
.section-intro { color: var(--ink); margin-bottom: 2rem; font-size: 1rem; }

.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.format-card {
  background: var(--cream);
  border: var(--border-width) solid var(--black);
  border-radius: 4px;
  padding: 2rem;
  box-shadow: 5px 5px 0 var(--black);
  text-align: center;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.format-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--black);
}

.format-card--featured {
  background: var(--black);
  border-color: var(--amber);
  box-shadow: 5px 5px 0 var(--amber-dark);
}

.format-card--featured:hover { box-shadow: 7px 7px 0 var(--amber-dark); }
.format-card--featured h3 { color: var(--amber); }
.format-card--featured p { color: var(--amber-pale); }

.format-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: var(--black);
  font-family: 'Alfa Slab One', serif;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.9rem;
  border: 2px solid var(--black);
  border-radius: 4px;
  white-space: nowrap;
}

.format-icon { font-size: 2.5rem; margin-bottom: 0.75rem; line-height: 1; }

.format-card h3 { font-size: 1.4rem; margin-bottom: 0.5rem; color: var(--black); }
.format-card p  { font-size: 0.95rem; color: var(--ink); margin-bottom: 0.5rem; }

.price {
  font-family: 'Alfa Slab One', serif;
  font-size: 1.6rem !important;
  color: var(--black) !important;
  margin: 0.75rem 0 1.25rem !important;
}

.format-card--featured .price { color: var(--amber) !important; }

#retailers .card-amber h2 { margin-bottom: 0.5rem; }
#retailers .card-amber p  { color: var(--ink); margin-bottom: 1.5rem; }

.retailer-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.retailer-link {
  display: inline-block;
  background: var(--cream);
  color: var(--black);
  font-weight: 900;
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--black);
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--black);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.retailer-link:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--black); }

.signed-card { background: var(--amber-light); }

.signed-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.signed-content .section-label {
  font-family: 'Alfa Slab One', serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 0.5rem;
  display: block;
}

.signed-content h2 { margin-bottom: 0.5rem; }
.signed-content p  { color: var(--ink); max-width: 500px; }

#why-buy h2 { margin-bottom: 1.5rem; }

.why-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.why-list li {
  background: var(--cream);
  border: 2px solid var(--black);
  border-radius: 4px;
  padding: 1rem 1.25rem 1rem 3rem;
  position: relative;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--black);
  line-height: 1.4;
}

.why-list li::before {
  content: '★';
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--amber-dark);
  font-size: 1.1rem;
}

.cta-card {
  background: var(--black);
  border-color: var(--amber);
  box-shadow: 6px 6px 0 var(--amber-dark);
  text-align: center;
}

.cta-card h2 { color: var(--amber); margin-bottom: 1rem; }
.cta-card p  { color: var(--amber-pale); font-size: 1.1rem; font-style: italic; margin-bottom: 1.75rem; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  #hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 3rem 1.5rem;
    gap: 2.5rem;
  }

  .hero-image { order: -1; display: flex; justify-content: center; }
  .hero-image img { width: 220px; }
  .hero-buttons { justify-content: center; }
  .hero-text .tagline { margin: 0 auto 2rem; }
}