:root {
  --wine: #6e1f3a;
  --wine-dark: #521529;
  --rose: #c9707f;
  --blush: #f6e8e6;
  --cream: #fdf8f4;
  --ink: #2b1d22;
  --muted: #6f5a61;
  --line: #ead8d6;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Lato", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* Make sure hidden elements (like the backup cover) stay hidden. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
}

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

a { color: var(--wine); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: 24px;
}

h1, h2, h3, .logo {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 40px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rose);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(253, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.logo {
  font-size: 1.6rem;
  color: var(--wine);
  text-decoration: none;
  white-space: nowrap;
}

.logo em { font-weight: 500; color: var(--rose); }

nav { display: flex; gap: 24px; }

nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

nav a:hover { color: var(--wine); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--wine);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover { background: var(--wine-dark); transform: translateY(-1px); }

.btn-large { padding: 15px 32px; font-size: 1rem; }

.btn-disabled,
.btn-disabled:hover {
  background: var(--line);
  color: var(--muted);
  cursor: default;
  transform: none;
}

.link { font-weight: 700; text-decoration: none; }
.link:hover { text-decoration: underline; }

.formats {
  margin: 12px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--blush) 0%, var(--cream) 70%);
  padding-block: 72px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); }

.highlights {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  gap: 8px;
}

.highlights li { position: relative; padding-left: 26px; font-weight: 700; }

.highlights li::before {
  content: "\2767";
  position: absolute;
  left: 0;
  color: var(--rose);
}

.hero-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--wine);
  margin: 12px 0 20px;
}

.hero-desc { color: var(--muted); max-width: 520px; margin: 0 0 28px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.hero-cover .cover {
  max-width: 320px;
  margin-left: auto;
  box-shadow: 0 30px 60px -20px rgba(82, 21, 41, 0.45);
  transform: rotate(2deg);
}

/* Covers */
.cover {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 4px 10px 10px 4px;
}

.cover-generated {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.18), transparent 55%),
    linear-gradient(160deg, var(--c2), var(--c1) 65%);
}

.cover-generated::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 2px;
}

.cover-generated::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  background: rgba(0, 0, 0, 0.18);
}

.cover-ornament { font-size: 1.6rem; opacity: 0.85; }

.cover-title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
}

.cover-rule { width: 40px; height: 1px; background: rgba(255, 255, 255, 0.7); }

.cover-author {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.9;
}

/* Book grid */
.section { padding-block: 88px; }
.section-alt { background: var(--blush); }

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 40px 32px;
}

.book-card { display: flex; flex-direction: column; }

.book-card .cover {
  box-shadow: 0 16px 30px -14px rgba(82, 21, 41, 0.4);
  transition: transform 0.25s;
}

.book-card:hover .cover { transform: translateY(-4px); }

.book-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding-top: 20px;
}

.book-info h3 { font-size: 1.6rem; }

.book-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--wine);
  margin: 4px 0 10px;
}

.book-desc { margin: 0; font-size: 0.92rem; color: var(--muted); flex: 1; }

.book-info .btn { margin-top: 16px; align-self: flex-start; }

/* About */
.about { max-width: 720px; text-align: center; }
.about h2 { margin-bottom: 20px; }
.about-bio { font-family: var(--serif); font-size: 1.35rem; line-height: 1.6; margin: 0; }

/* FAQ */
.faq { max-width: 760px; }

details {
  border-bottom: 1px solid var(--line);
  padding-block: 18px;
}

summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--rose); font-size: 1.5rem; line-height: 1; }
details[open] summary::after { content: "\2013"; }
details p { color: var(--muted); margin: 12px 0 0; }

/* Footer */
.site-footer {
  background: var(--wine-dark);
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  padding-block: 40px;
  font-size: 0.85rem;
}

.site-footer .logo { color: #fff; margin-bottom: 8px; }
.site-footer .logo em { color: #f0b5c0; }
.site-footer p { margin: 0; }

/* Checkout popup */
.checkout {
  width: min(440px, calc(100% - 32px));
  border: 0;
  border-radius: 16px;
  padding: 36px 32px 28px;
  background: var(--cream);
  color: var(--ink);
  box-shadow: 0 30px 80px -20px rgba(43, 29, 34, 0.5);
}

.checkout::backdrop { background: rgba(43, 29, 34, 0.55); }

.checkout h3 { font-size: 1.7rem; }

.checkout-close {
  position: absolute;
  top: 10px;
  right: 14px;
  border: 0;
  background: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
}

.checkout-price {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--wine);
  margin: 4px 0 20px;
}

.checkout label { display: block; font-weight: 700; font-size: 0.85rem; margin-bottom: 6px; }

.checkout input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}

.checkout input:focus { outline: 2px solid var(--rose); outline-offset: 1px; }

.checkout-note { font-size: 0.8rem; color: var(--muted); margin: 6px 0 0; }

.checkout-error {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fbe3e6;
  color: #8a1c2f;
  font-size: 0.85rem;
}

.checkout-pay { width: 100%; margin-top: 20px; }

.checkout-secure { text-align: center; font-size: 0.75rem; color: var(--muted); margin: 10px 0 0; }

.checkout-done { text-align: center; }
.checkout-done p { color: var(--muted); }
.checkout-heart { font-size: 2.2rem; color: var(--rose); margin: 0; }

/* Mobile */
@media (max-width: 760px) {
  .header-inner { height: auto; padding-block: 14px; flex-direction: column; gap: 6px; }
  nav { gap: 20px; }
  .hero { padding-block: 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-cover { order: -1; }
  .hero-cover .cover { max-width: 220px; margin: 0 auto; }
  .section { padding-block: 64px; }
  .book-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  .book-info h3 { font-size: 1.3rem; }
}

@media (max-width: 460px) {
  .book-grid { grid-template-columns: 1fr; }
  .book-card .cover { max-width: 260px; }
}