:root {
  --bg: #f7efe3;
  --surface: rgba(255, 250, 242, 0.85);
  --surface-strong: #fffaf3;
  --text: #2e2219;
  --muted: #6e5b4f;
  --line: rgba(46, 34, 25, 0.12);
  --accent: #b24a2b;
  --accent-dark: #8e381f;
  --shadow: 0 24px 60px rgba(66, 38, 17, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.85), transparent 32%),
    linear-gradient(135deg, #f8efe4 0%, #e8d0b0 100%);
  min-height: 100vh;
}

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

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.hero,
.section,
.book-dialog .dialog-shell {
  backdrop-filter: blur(12px);
}

.hero {
  background: rgba(255, 248, 238, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand,
h1,
h2,
h3 {
  font-family: "DM Serif Display", serif;
}

.brand {
  font-size: 1.4rem;
}

.topbar-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 24px;
  padding-top: 48px;
}

.eyebrow,
.section-label,
.card-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--accent);
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  margin: 10px 0 16px;
  max-width: 11ch;
}

.hero-text,
.note,
.payment-card p,
.intro-band p,
.book-meta,
.book-copy,
.search span,
.small,
.empty-state,
.dialog-copy p,
.dialog-list li {
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions,
.book-actions,
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.book-card:hover,
.dialog-preview:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #fff7f2;
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.hero-card,
.section,
.payment-card,
.book-card,
.dialog-preview,
.bank-box {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  align-self: end;
}

.steps {
  margin: 18px 0 14px;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.section {
  margin-top: 20px;
  border-radius: var(--radius-lg);
  padding: 28px;
}

.intro-band,
.section-heading,
.payment-grid {
  display: grid;
  gap: 20px;
}

.intro-band,
.payment-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-heading {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  align-items: end;
}

.search {
  display: grid;
  gap: 8px;
}

.search input {
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  padding: 0 14px;
  font: inherit;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.book-card {
  border-radius: 24px;
  padding: 18px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.cover-chip {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  overflow: hidden;
  background: #2d1d12;
}

.cover-chip img,
.dialog-cover-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.book-card h3 {
  font-size: 1.8rem;
  margin: 18px 0 8px;
}

.book-meta {
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.book-copy {
  min-height: 72px;
  margin-bottom: 16px;
}

.price-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.price-tag {
  font-size: 1.4rem;
  font-weight: 800;
}

.payment-card,
.bank-box {
  border-radius: 22px;
  padding: 20px;
}

.book-dialog {
  border: 0;
  padding: 0;
  background: transparent;
  width: min(980px, calc(100% - 16px));
}

.book-dialog::backdrop {
  background: rgba(28, 18, 10, 0.48);
  backdrop-filter: blur(6px);
}

.dialog-shell {
  position: relative;
  border-radius: 28px;
  padding: 22px;
  background: rgba(255, 248, 240, 0.98);
}

.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: white;
  font-size: 1.3rem;
  cursor: pointer;
}

.dialog-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 24px;
}

.dialog-preview {
  border-radius: 24px;
  padding: 18px;
  min-height: 460px;
}

.dialog-cover-image {
  border-radius: 16px;
  overflow: hidden;
}

.dialog-copy h2 {
  font-size: 2.4rem;
  margin: 10px 0 6px;
}

.dialog-list {
  padding-left: 18px;
  margin: 0 0 18px;
}

.bank-box {
  margin-top: 14px;
  background: var(--surface-strong);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 36px;
  border: 1px dashed var(--line);
  border-radius: 24px;
}

@media (max-width: 980px) {
  .hero-grid,
  .intro-band,
  .payment-grid,
  .dialog-layout,
  .section-heading,
  .book-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 14ch;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
  }

  .topbar,
  .topbar-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .section,
  .dialog-shell {
    padding: 18px;
  }
}