@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&family=Noto+Sans+Arabic:wght@400;500;600&display=swap");

:root {
  --paper: #f1ecdf;
  --paper-light: #fbf8f0;
  --paper-deep: #ded4bf;
  --ink: #172019;
  --ink-soft: #596159;
  --forest: #173e30;
  --forest-dark: #0e2b22;
  --leaf: #79b63d;
  --coral: #f18b72;
  --line: rgba(23, 32, 25, 0.16);
  --white: #fffef8;
  --shadow: 0 28px 80px rgba(28, 37, 31, 0.16);
  --display: "Newsreader", "Iowan Old Style", "Palatino Linotype", "Noto Serif", serif;
  --sans: "DM Sans", "Aptos", "Segoe UI", "Noto Sans", sans-serif;
  --shell: min(1200px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 3%, rgba(121, 182, 61, 0.08), transparent 28rem),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

html[dir="rtl"] body {
  font-family: "Noto Sans Arabic", "Tahoma", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.2;
  pointer-events: none;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 150 150' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
}

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

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

button,
select {
  color: inherit;
  font: inherit;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 100;
  padding: 10px 16px;
  color: white;
  background: var(--forest);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.kindle-ribbon {
  display: flex;
  min-height: 37px;
  padding: 7px 20px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: rgba(255, 255, 255, 0.74);
  background: var(--forest-dark);
  font-size: 11px;
  letter-spacing: 0.01em;
}

.kindle-ribbon a {
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  font-weight: 700;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(241, 236, 223, 0.82);
  backdrop-filter: blur(18px) saturate(1.15);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 9px 28px rgba(23, 32, 25, 0.07);
}

.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  min-height: 76px;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
}

.brand > img {
  width: 35px;
  height: 41px;
  object-fit: contain;
}

.brand > span {
  display: grid;
  gap: 4px;
}

.brand strong {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand small {
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  color: #485048;
  font-size: 12px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding-block: 27px;
}

.site-nav a::after {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 20px;
  height: 1px;
  content: "";
  background: var(--forest);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.language-picker {
  position: relative;
  display: flex;
  align-items: center;
}

.language-picker select {
  width: 118px;
  min-height: 38px;
  padding: 7px 31px 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: 0;
  background: rgba(255, 254, 248, 0.58);
  appearance: none;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

html[dir="rtl"] .language-picker select {
  padding: 7px 12px 7px 31px;
}

.language-picker select:focus-visible {
  border-color: var(--forest);
  box-shadow: 0 0 0 3px rgba(23, 62, 48, 0.1);
}

.language-picker svg {
  position: absolute;
  inset-inline-end: 12px;
  width: 9px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  pointer-events: none;
}

.nav-cta {
  display: inline-flex;
  min-height: 38px;
  padding: 7px 16px;
  border: 1px solid var(--forest);
  border-radius: 999px;
  align-items: center;
  color: white;
  background: var(--forest);
  font-size: 10px;
  font-weight: 750;
}

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}

.menu-button span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  padding: clamp(70px, 9vw, 125px) 0 45px;
  overflow: hidden;
}

.hero-wash {
  position: absolute;
  width: 780px;
  height: 780px;
  inset-block-start: -340px;
  inset-inline-end: -240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121, 182, 61, 0.15), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(570px, 1.18fr);
  align-items: center;
  gap: clamp(42px, 6vw, 84px);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--forest);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  display: inline-block;
  width: 28px;
  height: 1px;
  margin-inline-end: 10px;
  vertical-align: 0.25em;
  content: "";
  background: currentColor;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(62px, 7.5vw, 102px);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.hero h1 span,
.hero h1 em {
  display: block;
}

.hero h1 em {
  margin-inline-start: 0.35em;
  color: var(--forest);
  font-weight: 400;
}

html[dir="rtl"] .hero h1 {
  letter-spacing: -0.02em;
}

html[dir="rtl"] .hero h1 em {
  margin-inline-start: 0;
}

.hero-lead {
  max-width: 600px;
  margin: 29px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-actions,
.sender-actions,
.book-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 13px;
  margin-block-start: 32px;
}

.hero-price {
  display: flex;
  width: fit-content;
  margin-block-start: 29px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  align-items: baseline;
  gap: 10px;
  background: rgba(255, 254, 248, 0.55);
}

.hero-price > span {
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-price strong {
  color: var(--forest);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
}

.hero-price strong small {
  font-family: var(--sans);
  font-size: 7px;
  font-weight: 800;
}

.hero-price i {
  padding-inline-start: 10px;
  border-inline-start: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 11px 21px;
  border: 1px solid var(--line);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-solid {
  border-color: var(--forest);
  color: white;
  background: var(--forest);
  box-shadow: 0 13px 30px rgba(23, 62, 48, 0.2);
}

.button-solid:hover {
  background: var(--forest-dark);
}

.button-line {
  background: rgba(255, 254, 248, 0.4);
}

.button-paper {
  border-color: transparent;
  color: var(--forest-dark);
  background: var(--white);
  box-shadow: 0 11px 25px rgba(0, 0, 0, 0.1);
}

.hero-note {
  display: flex;
  margin: 18px 0 0;
  align-items: center;
  gap: 9px;
  color: #757b74;
  font-size: 10px;
}

.hero-note > span:first-child {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--leaf);
  box-shadow: 0 0 0 4px rgba(121, 182, 61, 0.12);
}

.product-hero {
  position: relative;
  margin: 0;
}

.product-hero::before {
  position: absolute;
  inset: 10% 6% -4% 16%;
  z-index: -1;
  border-radius: 50%;
  content: "";
  background: rgba(23, 62, 48, 0.09);
  filter: blur(35px);
}

.product-hero > img {
  width: 100%;
  border: 1px solid rgba(23, 32, 25, 0.12);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.product-seal {
  position: absolute;
  inset-inline-start: -24px;
  inset-block-end: 26px;
  display: flex;
  min-width: 210px;
  padding: 11px 15px;
  border: 1px solid rgba(23, 32, 25, 0.15);
  border-radius: 13px;
  align-items: center;
  gap: 11px;
  background: rgba(255, 254, 248, 0.88);
  box-shadow: 0 17px 42px rgba(28, 37, 31, 0.13);
  backdrop-filter: blur(14px);
}

.product-seal img {
  width: 29px;
  height: 33px;
  object-fit: contain;
}

.product-seal span,
.reader-overlay span {
  display: grid;
}

.product-seal strong,
.reader-overlay strong {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
}

.product-seal small,
.reader-overlay small {
  color: var(--ink-soft);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-block-start: 68px;
  border-block: 1px solid var(--line);
}

.proof-strip > div {
  display: flex;
  min-height: 84px;
  padding: 18px 28px;
  border-inline-end: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.proof-strip > div:last-child {
  border-inline-end: 0;
}

.proof-strip strong {
  color: var(--forest);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
}

.proof-strip span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 650;
}

.section {
  padding: clamp(90px, 11vw, 145px) 0;
}

.section-intro {
  max-width: 760px;
  margin-block-end: 50px;
}

.section-intro h2,
.books-copy h2,
.reader-heading h2,
.early-card h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(43px, 5vw, 67px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
}

.section-intro > p:last-child,
.books-copy > p,
.reader-heading > p,
.early-card > div > p:last-child {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.kindle-section {
  background: var(--paper-light);
}

.sender-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  min-height: 440px;
  padding: clamp(34px, 5vw, 64px);
  border-radius: 25px;
  align-items: center;
  gap: clamp(35px, 6vw, 80px);
  color: white;
  background:
    radial-gradient(circle at 85% 20%, rgba(121, 182, 61, 0.17), transparent 24rem),
    var(--forest-dark);
  box-shadow: var(--shadow);
}

.open-pill {
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sender-copy h3 {
  margin: 22px 0 0;
  font-family: var(--display);
  font-size: clamp(35px, 4vw, 54px);
  font-weight: 500;
  line-height: 1;
}

.sender-copy > p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.69);
  font-size: 14px;
}

.text-link {
  border-bottom: 1px solid currentColor;
  font-size: 10px;
  font-weight: 750;
}

.sender-ui {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 17px;
  color: var(--ink);
  background: #f6f1e7;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.25);
  transform: rotate(1deg);
}

.sender-top {
  display: flex;
  min-height: 48px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  gap: 6px;
}

.sender-top i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #cfc6b5;
}

.sender-top i:first-child {
  background: var(--coral);
}

.sender-top span {
  margin-inline: auto;
  font-size: 9px;
  font-weight: 700;
}

.sender-ready {
  display: flex;
  margin: 22px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  align-items: center;
  gap: 11px;
  background: var(--white);
}

.sender-ready .check {
  display: grid;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  color: var(--forest);
  background: #deebdf;
  place-items: center;
  font-weight: 800;
}

.sender-ready > div {
  display: grid;
}

.sender-ready strong {
  font-size: 10px;
}

.sender-ready small {
  color: var(--ink-soft);
  font-size: 7px;
}

.sender-ready b {
  margin-inline-start: auto;
  color: var(--forest);
  font-size: 7px;
  letter-spacing: 0.12em;
}

.sender-drop {
  display: grid;
  min-height: 150px;
  margin: 0 22px 22px;
  border: 1px dashed rgba(23, 62, 48, 0.35);
  border-radius: 12px;
  place-content: center;
  justify-items: center;
  background: rgba(255, 255, 255, 0.4);
}

.sender-drop span {
  color: var(--ink-soft);
  font-size: 7px;
  letter-spacing: 0.14em;
}

.sender-drop strong {
  margin-block-start: 7px;
  font-family: var(--display);
  font-size: 18px;
}

.compatibility {
  margin-block-start: 90px;
}

.compatibility > h3 {
  margin: 0 0 26px;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
}

.device-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.device-grid article {
  min-height: 215px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f0eadc;
}

.device-mark {
  display: grid;
  width: 42px;
  height: 42px;
  margin-block-end: 32px;
  border-radius: 50%;
  color: white;
  background: var(--forest);
  place-items: center;
  font-family: var(--display);
  font-size: 18px;
}

.device-grid h4 {
  margin: 0;
  font-family: var(--display);
  font-size: 21px;
  font-weight: 550;
}

.device-grid p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.books-section {
  border-block: 1px solid var(--line);
  background: #e5dcc9;
}

.books-grid {
  display: grid;
  grid-template-columns: minmax(430px, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(55px, 8vw, 110px);
}

.book-page {
  position: relative;
  min-height: 650px;
  padding: clamp(38px, 5vw, 63px);
  border: 1px solid rgba(23, 32, 25, 0.18);
  background:
    linear-gradient(rgba(23, 32, 25, 0.025) 1px, transparent 1px),
    #f8f5ec;
  background-size: 100% 27px;
  box-shadow: 15px 18px 0 #d1c3a9, var(--shadow);
  transform: rotate(-1deg);
}

.page-meta {
  display: flex;
  padding-block-end: 18px;
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  color: var(--ink-soft);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.book-page h3 {
  margin: 43px 0 30px;
  font-family: var(--display);
  font-size: 37px;
  font-weight: 500;
  line-height: 1;
}

.book-page p {
  margin: 5px 0;
}

.english-line {
  font-family: var(--display);
  font-size: 25px;
  line-height: 1.3;
}

.japanese-line,
.chinese-line {
  font-family: "Noto Serif CJK JP", "Yu Mincho", "Songti SC", serif;
  font-size: 18px;
  line-height: 1.5;
}

.annotation {
  margin-block-start: 17px !important;
  color: #7b827a;
  font-size: 8px;
  letter-spacing: 0.05em;
}

.book-page hr {
  margin: 34px 0;
  border: 0;
  border-block-start: 1px solid var(--line);
}

.english-line.second {
  font-size: 21px;
}

.book-page .small {
  font-size: 15px;
}

.page-number {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 22px;
  text-align: center;
  font-family: var(--display);
  font-size: 13px;
}

.books-copy h2 {
  max-width: 620px;
}

.learn-card {
  display: grid;
  grid-template-columns: 1fr auto;
  margin-block-start: 42px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  align-items: center;
  gap: 4px 15px;
  background: rgba(255, 254, 248, 0.52);
}

.learn-card span {
  grid-column: 1;
  color: var(--forest);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.learn-card strong {
  grid-column: 1;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 550;
}

.learn-card i {
  grid-column: 2;
  grid-row: 1 / 3;
  font-size: 20px;
  font-style: normal;
}

.reader-section {
  background: var(--paper-light);
}

.reader-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  margin-block-end: 55px;
  align-items: end;
  gap: 70px;
}

.reader-heading > p {
  margin-block-end: 5px;
}

.reader-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: #e6ddcd;
  box-shadow: var(--shadow);
}

.reader-visual > img {
  width: 100%;
  aspect-ratio: 3 / 1.42;
  object-fit: cover;
}

.reader-overlay {
  position: absolute;
  inset-inline-start: 24px;
  inset-block-end: 24px;
  display: flex;
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 12px;
  align-items: center;
  gap: 10px;
  background: rgba(255, 254, 248, 0.86);
  backdrop-filter: blur(12px);
}

.reader-overlay img {
  width: 28px;
  height: 32px;
  object-fit: contain;
}

.feature-grid {
  margin-block-start: 16px;
}

.feature-grid article {
  min-height: 240px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f0eadf;
}

.feature-grid article > span {
  color: var(--forest);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.feature-grid h3 {
  margin: 48px 0 0;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 550;
  line-height: 1.1;
}

.feature-grid p {
  margin: 11px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.order-row {
  display: flex;
  margin-block-start: 16px;
  padding: 25px 29px;
  border: 1px solid var(--line);
  border-radius: 16px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #e3eadc;
}

.order-row > div {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 2px 14px;
}

.order-row small {
  grid-column: 1 / -1;
  color: var(--forest);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.order-row strong {
  font-family: var(--display);
  font-size: 25px;
  font-weight: 550;
}

.order-row span {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}

.early-section {
  padding: 0 0 100px;
  background: var(--paper-light);
}

.early-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  min-height: 280px;
  padding: clamp(35px, 5vw, 60px);
  border-radius: 24px;
  align-items: center;
  gap: 35px;
  color: white;
  background:
    radial-gradient(circle at 15% 0%, rgba(121, 182, 61, 0.22), transparent 23rem),
    var(--forest-dark);
}

.early-card > img {
  width: 65px;
  height: 78px;
  object-fit: contain;
}

.early-card .eyebrow {
  color: #a8d379;
}

.early-card h2 {
  max-width: 690px;
  font-size: clamp(34px, 4.5vw, 57px);
}

.early-card > div > p:last-child {
  color: rgba(255, 255, 255, 0.65);
}

footer {
  padding: 55px 0;
  color: rgba(255, 255, 255, 0.66);
  background: #0d251d;
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px 40px;
}

.footer-brand {
  color: white;
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.52);
}

.footer-grid > p {
  margin: 0;
  font-size: 10px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 17px;
  font-size: 9px;
  font-weight: 700;
}

.footer-links a:hover {
  color: white;
}

.footer-grid > small {
  grid-column: 2 / -1;
  justify-self: end;
  font-size: 7px;
}

.trademark {
  color: rgba(255, 255, 255, 0.38);
}

.reveal {
  opacity: 0;
  transform: translateY(17px);
  transition: opacity 650ms cubic-bezier(0.22, 1, 0.36, 1), transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 1020px) {
  :root {
    --shell: min(100% - 38px, 900px);
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero h1 {
    font-size: clamp(59px, 8.3vw, 82px);
  }

  .site-nav {
    gap: 16px;
  }

  .sender-card {
    grid-template-columns: 1fr 1fr;
  }

  .books-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 45px;
  }

  .book-page {
    min-height: 600px;
    padding: 39px;
  }
}

@media (max-width: 780px) {
  :root {
    --shell: min(100% - 28px, 650px);
  }

  .kindle-ribbon {
    min-height: 34px;
    font-size: 9px;
  }

  .nav-inner {
    grid-template-columns: 1fr auto;
    min-height: 67px;
  }

  .brand small {
    display: none;
  }

  .site-nav {
    position: absolute;
    inset-block-start: calc(100% + 1px);
    inset-inline: 14px;
    display: none;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    background: rgba(251, 248, 240, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 11px 13px;
  }

  .site-nav a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(3.25px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:last-child {
    transform: translateY(-3.25px) rotate(-45deg);
  }

  .hero-grid,
  .sender-card,
  .books-grid,
  .reader-heading {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
  }

  .hero h1 em {
    margin-inline-start: 0;
  }

  .hero-actions,
  .hero-note {
    justify-content: center;
  }

  .hero-price {
    margin-inline: auto;
  }

  .eyebrow::before {
    display: none;
  }

  .product-hero {
    margin-block-start: 24px;
  }

  .product-seal {
    inset-inline-start: 16px;
    inset-block-end: 16px;
  }

  .proof-strip {
    margin-block-start: 50px;
  }

  .proof-strip > div {
    padding-inline: 12px;
    flex-direction: column;
    gap: 1px;
    text-align: center;
  }

  .sender-card {
    gap: 45px;
  }

  .books-grid {
    gap: 75px;
  }

  .book-page {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .reader-heading {
    gap: 20px;
  }

  .early-card {
    grid-template-columns: auto 1fr;
  }

  .early-card > .button {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
  }

  .footer-grid > p {
    display: none;
  }

  .footer-grid > small {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: calc(100% - 22px);
  }

  .kindle-ribbon span {
    display: none;
  }

  .language-picker select {
    width: 102px;
  }

  .hero {
    padding-block-start: 64px;
  }

  .hero h1 {
    font-size: clamp(55px, 17vw, 76px);
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions,
  .sender-actions,
  .book-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .product-hero > img {
    min-height: 330px;
    object-fit: cover;
    object-position: 64% center;
  }

  .product-seal {
    min-width: 0;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip > div {
    min-height: 62px;
    border-inline-end: 0;
    border-block-end: 1px solid var(--line);
    flex-direction: row;
  }

  .proof-strip > div:last-child {
    border-block-end: 0;
  }

  .section {
    padding: 85px 0;
  }

  .section-intro h2,
  .books-copy h2,
  .reader-heading h2 {
    font-size: 43px;
  }

  .sender-card {
    padding: 30px 21px;
  }

  .sender-copy {
    text-align: center;
  }

  .open-pill {
    justify-content: center;
  }

  .sender-ui {
    transform: none;
  }

  .device-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .device-grid article,
  .feature-grid article {
    min-height: 190px;
  }

  .book-page {
    min-height: 570px;
    padding: 31px 25px;
    box-shadow: 8px 10px 0 #d1c3a9, var(--shadow);
  }

  .book-page h3 {
    font-size: 31px;
  }

  .english-line {
    font-size: 21px;
  }

  .japanese-line,
  .chinese-line {
    font-size: 15px;
  }

  .reader-visual > img {
    min-height: 430px;
    aspect-ratio: auto;
    object-position: 66% center;
  }

  .early-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .order-row {
    align-items: stretch;
    flex-direction: column;
    text-align: center;
  }

  .order-row > div {
    grid-template-columns: 1fr;
  }

  .early-card > img {
    margin-inline: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-grid > small {
    justify-self: center;
  }
}