/* ===================================================================
   TOKENS
   =================================================================== */
:root {
  /* Color */
  --bg: #F5F2EC;          /* alabaster */
  --surface: #ECE5D6;     /* linen */
  --surface-deep: #E1D8C4;
  --text: #2B2723;
  --text-muted: #6E6559;
  --accent: #2F4156;      /* deep slate blue */
  --accent-dark: #20303F;
  --accent-soft: #6E8AA3;
  --white: #FFFFFF;

  /* Type */
  --font-display: "Fraunces", serif;
  --font-body: "Work Sans", sans-serif;

  /* Layout */
  --max-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; color: var(--text); }

a { color: var(--accent); text-decoration: none; }

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.section-head {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.9rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-dark); }

.text-link {
  font-weight: 500;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem var(--gutter);
  position: sticky;
  top: 0;
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(6px);
  z-index: 50;
  border-bottom: 1px solid var(--surface-deep);
}
.brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 500;
}
.site-nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.9rem;
}
.site-nav a { color: var(--text-muted); }
.site-nav a:hover { color: var(--accent); }
.nav-cta {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent); color: var(--white); }

@media (max-width: 720px) {
  .site-nav { display: none; }
}

/* ===================================================================
   HERO
   =================================================================== */
.hero { padding: clamp(2.5rem, 6vw, 5rem) var(--gutter) 0; }
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 3.5rem);
}
.hero-copy { max-width: 38rem; }
.hero-cover { max-width: 760px; margin: 0 auto; width: 100%; }

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 500;
  line-height: 1.08;
  margin-bottom: 1.1rem;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 30rem;
  margin-bottom: 1.75rem;
}

.launch-dates {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.25rem;
}
.launch-date {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.launch-date-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.launch-date-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text);
}
.launch-date-note {
  font-size: 0.78rem;
  color: var(--accent-soft);
}
.launch-date-line {
  flex: 1;
  height: 1px;
  background: var(--surface-deep);
  position: relative;
  max-width: 5rem;
}
.launch-date-line::before, .launch-date-line::after {
  content: "";
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent-soft);
  top: 50%;
  transform: translateY(-50%);
}
.launch-date-line::before { left: 0; }
.launch-date-line::after { right: 0; }

.hero-cover { display: flex; justify-content: center; }
.cover-image {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(43, 39, 35, 0.25);
}

/* ===================================================================
   AUTHOR NOTE
   =================================================================== */
.author-note {
  text-align: center;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  max-width: 40rem;
  margin: 0 auto;
}
.author-note-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  color: var(--accent);
  margin: 0 0 0.85rem;
}

/* ===================================================================
   CAROUSEL (shared mechanics)
   =================================================================== */
[data-carousel] {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
[data-carousel-track] {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 1.5rem;
}
[data-carousel-track]::-webkit-scrollbar { display: none; }
[data-carousel-slide] { scroll-snap-align: start; flex-shrink: 0; }

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--surface-deep);
  background: var(--bg);
  color: var(--accent);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}
.carousel-arrow:hover { border-color: var(--accent); }
.carousel-arrow-prev { left: -0.25rem; }
.carousel-arrow-next { right: -0.25rem; }
@media (max-width: 720px) {
  .carousel-arrow { display: none; }
}

/* ===================================================================
   REVIEWS
   =================================================================== */
.reviews { padding: clamp(3rem, 6vw, 5rem) 0; background: var(--surface); }
.quote-carousel .quote-track { scroll-snap-type: x mandatory; }
.quote-slide {
  width: 100%;
  margin: 0;
  padding: 1rem 3.5rem;
  text-align: center;
}
.quote-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 1.5rem;
}
.quote-text::before { content: "\201C"; }
.quote-text::after { content: "\201D"; }
.quote-attribution { display: flex; flex-direction: column; gap: 0.15rem; }
.quote-name { font-weight: 600; font-size: 0.95rem; }
.quote-role { font-size: 0.85rem; color: var(--text-muted); }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.carousel-dots button {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: none;
  background: var(--surface-deep);
  cursor: pointer;
  padding: 0;
}
.carousel-dots button[aria-selected="true"] { background: var(--accent); }

/* ===================================================================
   BACKLIST
   =================================================================== */
.backlist { padding: clamp(3rem, 6vw, 5rem) 0; }
.backlist .section-head { text-align: center; margin-bottom: 2.5rem; }
.book-slide {
  width: 160px;
  display: block;
  color: var(--text);
}
.book-slide img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  box-shadow: 0 16px 30px -16px rgba(43, 39, 35, 0.28);
  transition: transform 0.25s ease;
}
.book-slide:hover img { transform: translateY(-4px); }
.book-title {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  line-height: 1.35;
  color: var(--text-muted);
}
.book-slide:hover .book-title { color: var(--accent); }

/* ===================================================================
   ABOUT
   =================================================================== */
.about { padding: clamp(3rem, 6vw, 5rem) var(--gutter); background: var(--surface); }
.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.4fr 0.6fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 720px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-photo { max-width: 220px; margin: 0 auto; }
}
.about-photo-frame {
  background: var(--white);
  padding: 0.75rem;
  box-shadow: 0 20px 40px -20px rgba(43, 39, 35, 0.2);
  max-width: 280px;
  margin: 0 auto;
}
.about-photo { width: 100%; }
.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 34rem;
}

/* ===================================================================
   NEWSLETTER
   =================================================================== */
.newsletter { padding: clamp(3.5rem, 7vw, 6rem) var(--gutter); text-align: center; }
.newsletter-inner { max-width: 32rem; margin: 0 auto; }
.newsletter-text { color: var(--text-muted); margin-bottom: 1.5rem; }
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}
.newsletter-form input {
  flex: 1;
  min-width: 14rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--surface-deep);
  background: var(--white);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
}
.newsletter-form input:focus { border-color: var(--accent); }
.newsletter-note {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.8;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer { background: var(--accent); color: var(--white); padding: 2.5rem var(--gutter); }
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.footer-brand { font-family: var(--font-display); margin: 0; }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: 0.85rem; }
.footer-links a { color: rgba(255,255,255,0.8); }
.footer-links a:hover { color: var(--white); }
.footer-contact a { color: rgba(255,255,255,0.8); font-size: 0.85rem; }