:root {
  --bg: #f8f0e4;
  --paper: #fff8ef;
  --ink: #2f2418;
  --ink-soft: #6e6250;
  --line: #dfcfb6;
  --accent: #d16a3a;
  --accent-strong: #9f3f1f;
  --shadow: 0 18px 36px rgba(56, 35, 21, 0.14);
  --font-mm: 'Noto Serif Myanmar', serif;
  --font-display: 'Cormorant Garamond', serif;
  --font-ui: 'Space Grotesk', sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-mm);
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, #ffe8d5 0, transparent 32%),
    radial-gradient(circle at 92% 92%, #f9ead2 0, transparent 38%),
    var(--bg);
}

.page-grain {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.24) 1px, transparent 0);
  background-size: 4px 4px;
  opacity: 0.07;
  pointer-events: none;
  z-index: -1;
}

.container {
  width: min(100% - 2rem, 980px);
  margin: 0 auto;
}

.book-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 244, 233, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(122, 95, 59, 0.2);
}

.book-header .container {
  min-height: 74px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.header-links {
  display: inline-flex;
  gap: 0.8rem;
}

.header-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-ui);
  font-size: 0.84rem;
}

main {
  padding: 2.2rem 0 2.8rem;
}

.book-hero {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
}

.card,
.book-gallery,
.note-card,
.meta-strip {
  border: 1px solid rgba(124, 96, 60, 0.23);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.76);
  box-shadow: var(--shadow);
}

.book-cover {
  padding: 0.78rem;
  transform: rotate(-2.2deg);
}

.book-cover img {
  width: 100%;
  display: block;
  border-radius: 12px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.book-meta {
  padding: 1rem;
}

.kicker {
  margin: 0;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.book-meta h1 {
  margin: 0.42rem 0 0.62rem;
  font-family: var(--font-display);
  line-height: 0.94;
  font-size: clamp(2.3rem, 7vw, 4rem);
}

.book-meta p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.title-wrap {
  display: grid;
  gap: 0.35rem;
}

.date-line {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.delivery-note {
  margin-top: 0.95rem;
  padding-left: 0.72rem;
  border-left: 3px solid rgba(148, 103, 60, 0.35);
}

.combo-cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.64rem;
}

.combo-card {
  border: 1px solid rgba(122, 95, 59, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
  padding: 0.58rem;
  display: grid;
  gap: 0.45rem;
}

.combo-title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.combo-row {
  border: 1px solid rgba(122, 95, 59, 0.2);
  border-radius: 10px;
  padding: 0.45rem 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.58);
}

.combo-row span {
  color: var(--ink);
}

.combo-row strong {
  font-family: var(--font-ui);
  color: var(--accent-strong);
  font-size: 0.88rem;
}

.combo-row .value {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.combo-row em {
  font-style: normal;
  text-decoration: line-through;
  color: var(--ink-soft);
  font-family: var(--font-ui);
  font-size: 0.75rem;
}

.combo-row b {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: #225d44;
  border: 1px solid rgba(34, 93, 68, 0.28);
  background: rgba(158, 201, 178, 0.23);
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
}

.meta-strip {
  margin-top: 0.85rem;
  padding: 0.65rem 0.75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
}

.meta-strip div {
  border: 1px solid rgba(122, 95, 59, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.58);
  padding: 0.45rem 0.55rem;
}

.meta-strip strong {
  display: block;
  font-family: var(--font-ui);
  color: var(--accent-strong);
  font-size: 0.84rem;
}

.meta-strip span {
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.action-row {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.promo-banner {
  margin-top: 0.9rem;
  border: 1px solid rgba(32, 105, 73, 0.28);
  background: linear-gradient(125deg, rgba(158, 201, 178, 0.3), rgba(255, 255, 255, 0.85));
  border-radius: 12px;
  padding: 0.62rem 0.72rem;
}

.promo-banner p {
  margin: 0;
  font-family: var(--font-ui);
  color: #235f45;
  font-size: 0.82rem;
}

.promo-table {
  margin-top: 0.85rem;
  display: grid;
  gap: 0.5rem;
}

.promo-row {
  border: 1px solid rgba(122, 95, 59, 0.22);
  border-radius: 11px;
  padding: 0.54rem 0.66rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.62);
}

.promo-row span {
  color: var(--ink);
}

.promo-row .value {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
}

.promo-row strong {
  font-family: var(--font-ui);
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.promo-row em {
  font-style: normal;
  text-decoration: line-through;
  color: var(--ink-soft);
  font-family: var(--font-ui);
  font-size: 0.75rem;
}

.promo-row b {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: #225d44;
  border: 1px solid rgba(34, 93, 68, 0.28);
  background: rgba(158, 201, 178, 0.23);
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
}

.btn {
  min-height: 42px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.64rem 0.95rem;
  transition: transform 220ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-app-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
}

.btn-soft {
  color: var(--accent-strong);
  border-color: rgba(120, 88, 55, 0.24);
  background: rgba(255, 255, 255, 0.72);
}

.book-gallery {
  margin-top: 1rem;
  padding: 0.75rem;
}

.book-gallery h2,
.note-card h2 {
  margin: 0.2rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.6rem;
}

.gallery-grid figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(124, 96, 60, 0.23);
  background: #fff;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-grid .span-4 {
  grid-column: span 4;
  min-height: 210px;
}

.gallery-grid .span-8 {
  grid-column: span 8;
  min-height: 210px;
}

.gallery-grid .span-6 {
  grid-column: span 6;
  min-height: 200px;
}

.note-card {
  margin-top: 1rem;
  padding: 0.95rem;
}

.note-card p {
  margin: 0;
  line-height: 1.78;
  color: var(--ink-soft);
}

.quote {
  margin-top: 0.7rem;
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  border: 1px dashed rgba(130, 93, 53, 0.34);
  background: rgba(255, 255, 255, 0.58);
}

.footer {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(120, 88, 55, 0.24);
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.footer p,
.footer a {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-decoration: none;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease var(--delay, 0ms), transform 650ms ease var(--delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .book-hero,
  .meta-strip {
    grid-template-columns: 1fr;
  }

  .combo-cards {
    grid-template-columns: 1fr;
  }

  .promo-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .promo-row .value {
    justify-content: flex-start;
  }

  .gallery-grid .span-4,
  .gallery-grid .span-6,
  .gallery-grid .span-8 {
    grid-column: span 6;
    min-height: 190px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.15rem, 980px);
  }

  main {
    padding: 1.45rem 0 2rem;
  }

  .header-links {
    display: none;
  }

  .gallery-grid .span-4,
  .gallery-grid .span-6,
  .gallery-grid .span-8 {
    grid-column: span 12;
    min-height: 180px;
  }
}