@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/variable/pretendardvariable.css");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+JP:wght@400;500;700;800;900&family=Noto+Sans+SC:wght@400;500;700;800;900&display=swap");

/* Design tokens */
:root {
  color-scheme: light;
  --ink: #0b0c0f;
  --muted: #5f6670;
  --soft: #767d86;
  --line: rgba(11, 12, 15, 0.1);
  --paper: #f7f7f8;
  --panel: #fff;
  --dark: #050608;
  --gold: #f5b301;
  --text-muted: rgba(28, 18, 8, 0.62);
  --text-muted-strong: rgba(28, 18, 8, 0.68);
  --text-list: rgba(28, 18, 8, 0.76);
  --text-detail: #5a6067;
  --text-description-size: 15px;
  --text-description-line: 1.72;
  --text-section-description-size: 14.5px;
  --text-section-description-line: 1.62;
  --text-card-description-size: 13.5px;
  --text-card-description-line: 1.58;
  --text-small-size: 13px;
  --text-small-line: 1.45;
  --text-list-line: 1.42;
  --font-latin:
    "Inter", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-ko:
    "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR",
    "Malgun Gothic", "맑은 고딕", system-ui, sans-serif;
  --font-ja:
    "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    "Meiryo", system-ui, sans-serif;
  --font-zh:
    "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "微软雅黑", system-ui, sans-serif;
  --font-body: var(--font-latin);
  --font-display: var(--font-latin);
  --font-ui: var(--font-latin);
  --type-tight: -0.048em;
  --type-body: -0.012em;
  --type-label: -0.01em;
  --hero-size: clamp(44px, 4.45vw, 58px);
  --hero-max: 560px;
  --hero-line: 1.08;
  --hero-letter: -0.058em;
  --lead-line: 1.68;
  --nav-gap: 26px;
  --nav-size: 14px;
  --wrap: max(40px, calc((100% - 1180px) / 2));
}

html:lang(ko) {
  --font-body: var(--font-ko);
  --font-display: var(--font-ko);
  --font-ui: var(--font-ko);
  --type-tight: -0.055em;
  --type-body: -0.022em;
  --hero-size: clamp(44px, 4.65vw, 58px);
  --hero-max: 540px;
  --hero-line: 1.12;
  --lead-line: 1.72;
}

html:lang(ja) {
  --font-body: var(--font-ja);
  --font-display: var(--font-ja);
  --font-ui: var(--font-ja);
  --type-tight: -0.024em;
  --type-body: 0;
  --hero-size: clamp(40px, 4vw, 54px);
  --hero-line: 1.16;
  --nav-size: 13.5px;
}

html:lang(zh) {
  --font-body: var(--font-zh);
  --font-display: var(--font-zh);
  --font-ui: var(--font-zh);
  --type-tight: -0.018em;
  --type-body: 0.002em;
  --hero-size: clamp(41px, 4.05vw, 54px);
  --hero-line: 1.16;
  --nav-size: 13.5px;
}

html:lang(es),
html:lang(fr),
html:lang(de) {
  --font-body: var(--font-latin);
  --font-display: var(--font-latin);
  --font-ui: var(--font-latin);
  --hero-size: clamp(39px, 4vw, 54px);
  --nav-gap: 20px;
  --nav-size: 13.2px;
}

/* Base */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  letter-spacing: var(--type-body);
  word-break: normal;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
select {
  font: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3,
.brand,
.site-header nav,
.language-select,
.download-link,
.pill,
.dark-pill,
.section-label,
.format-badge,
.step-number,
.review-author strong,
.site-footer {
  font-family: var(--font-ui);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 1000;
  top: 18px;
  left: 50%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  width: min(1180px, calc(100% - 64px));
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 18px;
  color: #050608;
  transform: translateX(-50%);
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.82),
    0 0 12px rgba(255, 250, 240, 0.72),
    0 8px 24px rgba(74, 45, 16, 0.3);
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    backdrop-filter 0.22s ease;
}

.site-header.is-visible {
  border-color: rgba(11, 12, 15, 0.08);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 48px rgba(11, 12, 15, 0.08);
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
  text-shadow: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.brand img,
.download-brand img {
  border-radius: 8px;
}

.site-header .brand img {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.82))
    drop-shadow(0 0 12px rgba(255, 250, 240, 0.76))
    drop-shadow(0 8px 24px rgba(74, 45, 16, 0.3));
}

.site-header.is-visible .brand img {
  filter: none;
}

.site-header nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: var(--nav-gap);
  font-size: var(--nav-size);
  font-weight: 700;
  letter-spacing: var(--type-label);
}

.site-header nav a {
  white-space: nowrap;
}

.site-header:not(.is-visible) nav a,
.site-header:not(.is-visible) .brand span {
  color: #050608;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.82),
    0 0 11px rgba(255, 250, 240, 0.7),
    0 8px 22px rgba(74, 45, 16, 0.28);
}

.site-header:not(.is-visible) nav a {
  font-weight: 760;
}

.header-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.language-select {
  appearance: none;
  width: 94px;
  height: 38px;
  padding: 0 34px 0 14px;
  border: 1px solid rgba(11, 12, 15, 0.12);
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.82);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none'%3E%3Cpath d='M3.25 5.25L7 9L10.75 5.25' stroke='%23050608' stroke-width='1.55' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  color: #050608;
  font-size: 12px;
  font-weight: 820;
  line-height: 1;
  letter-spacing: -0.015em;
  box-shadow: 0 10px 24px rgba(11, 12, 15, 0.055);
  cursor: pointer;
}

.language-select:focus-visible {
  outline: 2px solid rgba(31, 102, 255, 0.36);
  outline-offset: 3px;
}

.download-link,
.app-store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 132px;
  line-height: 0;
}

.download-link img,
.app-store-badge img {
  width: 100%;
  height: auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(560px, 1.1fr);
  gap: 20px;
  align-items: center;
  min-height: 672px;
  padding: 76px var(--wrap) 0;
  overflow: hidden;
  isolation: isolate;
  background: #f5ede0;
}

.hero-background-video {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  filter: contrast(1.08) saturate(1.06) brightness(0.98);
}

.hero::before {
  content: none;
}

.hero-copy,
.hero-devices {
  position: relative;
}

.hero-copy {
  z-index: 3;
  align-self: center;
  padding-top: 6px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.26);
}

.hero h1 {
  max-width: var(--hero-max);
  margin-bottom: 18px;
  color: #fff;
  font-size: var(--hero-size);
  line-height: var(--hero-line);
  font-weight: 560;
  letter-spacing: var(--hero-letter);
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.36);
}

.hero h1 em {
  color: #ffbf62;
  font-style: normal;
  font-weight: 560;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.34);
}

.lead {
  max-width: 470px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 17px;
  line-height: var(--lead-line);
  letter-spacing: -0.018em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.34);
}

.lead strong {
  display: inline-block;
  margin-bottom: 2px;
  color: inherit;
  font-weight: 800;
}

.hero-devices {
  z-index: 2;
  min-height: 570px;
  align-self: end;
}

.hero-devices.is-waiting-for-book {
  opacity: 0;
}

.hero-devices.is-ready {
  opacity: 1;
}

.hero-devices::before,
.hero-devices::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(18px);
}

.hero-devices::before {
  left: -18px;
  right: 22px;
  bottom: -8px;
  height: 92px;
  opacity: 0.78;
  background:
    radial-gradient(
      ellipse at 31% 56%,
      rgba(11, 12, 15, 0.22) 0 15%,
      rgba(11, 12, 15, 0.12) 34%,
      transparent 66%
    ),
    radial-gradient(
      ellipse at 66% 54%,
      rgba(11, 12, 15, 0.2) 0 12%,
      rgba(11, 12, 15, 0.1) 29%,
      transparent 62%
    );
  transform: scaleY(0.72);
  transform-origin: center bottom;
}

.hero-devices::after {
  left: 8px;
  right: 64px;
  bottom: 2px;
  height: 46px;
  opacity: 0.62;
  filter: blur(10px);
  background:
    radial-gradient(
      ellipse at 32% 52%,
      rgba(11, 12, 15, 0.16) 0 12%,
      rgba(11, 12, 15, 0.07) 34%,
      transparent 68%
    ),
    radial-gradient(
      ellipse at 71% 48%,
      rgba(11, 12, 15, 0.18) 0 10%,
      rgba(11, 12, 15, 0.08) 31%,
      transparent 66%
    );
}

.device {
  position: absolute;
  z-index: 2;
  overflow: hidden;
  border: 6px solid #08090b;
  background: #08090b;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.14) inset,
    0 2px 5px rgba(11, 12, 15, 0.14),
    0 18px 38px rgba(11, 12, 15, 0.13),
    0 42px 84px rgba(11, 12, 15, 0.12);
}

.device::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(
    112deg,
    transparent 24%,
    rgba(255, 255, 255, 0.24) 43%,
    rgba(255, 255, 255, 0.08) 55%,
    transparent 74%
  );
  mix-blend-mode: screen;
  transform: translateX(-150%);
}

.hero-devices.is-live .device::after {
  animation: deviceGlassSweep 2400ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.hero-devices.is-live .phone-device::after {
  animation-delay: 420ms;
}

@keyframes deviceGlassSweep {
  38% {
    opacity: 0.46;
  }

  100% {
    opacity: 0;
    transform: translateX(150%);
  }
}

.tablet-device {
  left: 28px;
  bottom: 28px;
  width: 382px;
  height: 550px;
  border-radius: 18px;
}

.phone-device {
  z-index: 3;
  right: 68px;
  bottom: 10px;
  width: 202px;
  height: 440px;
  border-radius: 26px;
}

.device-shot {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  background: #fff;
}

/* Shared sections */
.section {
  padding: 42px var(--wrap) 44px;
}

.section,
.steps-section,
.features-section,
.format-section,
.organize-section,
.testimonial-section,
.faq-section,
.download-section,
.site-footer {
  background: #fff;
}

.section-heading {
  max-width: 660px;
  margin: 0 auto 24px;
  text-align: center;
}

.pill,
.dark-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 12px;
  padding: 0 12px;
  border-radius: 999px;
  color: #0b0c0f;
  background: rgba(11, 12, 15, 0.045);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: var(--type-label);
}

.section-heading h2,
.listening-copy h2,
.experience-copy h2,
.download-brand h2 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: clamp(28px, 2.7vw, 36px);
  line-height: 1.16;
  font-weight: 500;
  letter-spacing: -0.038em;
}

.section-heading p,
.listening-copy p,
.download-brand p {
  color: var(--text-muted);
  font-size: var(--text-description-size);
  line-height: var(--text-description-line);
}

.steps-section {
  position: relative;
  z-index: 4;
}

.steps-heading {
  margin-bottom: 30px;
}

.steps-grid,
.features-grid,
.format-grid,
.review-grid,
.faq-grid {
  display: grid;
  gap: 16px;
}

.steps-grid {
  position: relative;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps-grid::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 25px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: #d4c9b8;
}

.step-item,
.feature-card,
.format-card,
.review-card,
.faq-item,
.library-preview {
  border: 1px solid rgba(11, 12, 15, 0.08);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 54px rgba(11, 12, 15, 0.065);
}

.step-item {
  position: relative;
  z-index: 1;
  min-height: 232px;
  padding: 20px;
  border-radius: 18px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 50%;
  color: #fff;
  background: #050608;
  font-size: 18px;
  font-weight: 800;
}

.step-item h3,
.feature-card h3,
.format-card h3,
.faq-item h3,
.benefit-list strong {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.34;
  font-weight: 680;
  letter-spacing: -0.034em;
}

.step-item p,
.feature-card p,
.format-card p,
.faq-item p,
.review-card p {
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: var(--text-card-description-size);
  line-height: var(--text-card-description-line);
}

.step-list,
.format-features,
.benefit-list,
.listening-copy ul {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list {
  gap: 5px;
}

.step-list li,
.format-features li,
.benefit-list small {
  font-size: var(--text-small-size);
}

.step-list li,
.format-features li {
  position: relative;
  padding-left: 16px;
  color: var(--text-list);
  line-height: var(--text-list-line);
}

.step-list li::before,
.format-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #0b0c0f;
}

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

.features-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  max-width: 1140px;
  margin: 0 auto;
}

.feature-card {
  grid-column: span 2;
  min-height: 154px;
  padding: 16px;
  border-radius: 18px;
}

.feature-card--primary {
  order: -1;
  min-height: 192px;
  padding: 22px;
  border-color: rgba(11, 12, 15, 0.14);
  background: linear-gradient(180deg, #fff 0%, #fbfaf7 100%);
  box-shadow: 0 24px 62px rgba(11, 12, 15, 0.095);
}

.feature-card--primary h3 {
  max-width: 210px;
  font-size: 18px;
  line-height: 1.28;
  font-weight: 720;
}

.feature-card--primary p {
  max-width: 250px;
}

.feature-card--wide {
  grid-column: span 3;
}

.sf-symbol-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: #0b0c0f;
  border: 1px solid rgba(11, 12, 15, 0.08);
  border-radius: 8px;
  background: #f5f5f6;
  box-shadow: 0 10px 24px rgba(11, 12, 15, 0.045);
}

.feature-card .sf-symbol-frame {
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  border-radius: 12px;
  box-shadow: none;
}

.feature-card--primary .sf-symbol-frame {
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
}

.mini-symbol-frame {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.sf-symbol {
  width: 54%;
  height: 54%;
  overflow: visible;
}

.sf-symbol path,
.sf-symbol rect,
.sf-symbol circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* TTS section */
.listening-section {
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(470px, 1.1fr);
  gap: 30px;
  align-items: center;
  height: auto;
  min-height: 0;
  padding: 34px var(--wrap);
  overflow: hidden;
  color: #fff;
  background: linear-gradient(90deg, #050608 0%, #121417 55%, #050608 100%);
}

.dark-pill {
  color: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.listening-copy h2,
.listening-copy h2 em {
  color: #f7f7f8;
}

.listening-copy h2 em,
.experience-copy h2 em {
  font-style: normal;
}

.listening-copy p,
.listening-copy li {
  color: rgba(247, 247, 248, 0.78);
}

.listening-copy ul {
  gap: 9px;
}

.listening-copy li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.45;
}

.listening-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #0b0c0f;
}

.audio-stage {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background: transparent;
}

.audio-stage img {
  width: min(560px, 100%);
  height: auto;
  background: transparent;
  border-radius: 0;
  object-fit: contain;
  filter:
    drop-shadow(0 0 16px rgba(218, 228, 255, 0.18))
    drop-shadow(0 0 34px rgba(132, 156, 218, 0.11))
    drop-shadow(0 24px 38px rgba(0, 0, 0, 0.32));
}

/* Library and reading sections */
.organize-section {
  display: grid;
  grid-template-columns: minmax(440px, 1.05fr) minmax(330px, 0.95fr);
  gap: 40px;
  align-items: center;
  padding-top: 50px;
  padding-bottom: 50px;
}

.library-preview {
  justify-self: start;
  width: min(100%, 560px);
  aspect-ratio: 1.55 / 1;
  overflow: hidden;
  border-radius: 20px;
}

.library-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

#reading {
  scroll-margin-top: 120px;
}

#reading .experience-copy,
#reading .section-description,
#reading .benefit-list {
  max-width: 520px;
}

#reading .reading-preview {
  justify-self: stretch;
  width: min(100%, 620px);
  aspect-ratio: 2360 / 1640;
  background: #f5f6f7;
}

#reading .reading-preview img {
  object-fit: contain;
  object-position: center;
}

.section-label {
  margin-bottom: 8px;
  color: #0b0c0f;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: var(--type-label);
}

.section-description {
  max-width: 430px;
  margin-bottom: 20px;
  color: var(--text-muted-strong);
  font-size: var(--text-section-description-size);
  line-height: var(--text-section-description-line);
}

.benefit-list {
  gap: 12px;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.benefit-list strong,
.benefit-list small {
  display: block;
}

.benefit-list small {
  color: var(--text-detail);
  line-height: var(--text-small-line);
}

.format-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 920px;
  margin: 0 auto;
}

.format-card {
  position: relative;
  overflow: hidden;
  min-height: 222px;
  padding: 22px;
  border-radius: 18px;
}

.format-card::before {
  content: attr(data-ext);
  position: absolute;
  right: -16px;
  bottom: -18px;
  color: #1c1208;
  font-size: 72px;
  line-height: 1;
  font-weight: 800;
  opacity: 0.04;
}

.format-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 3px 9px;
  border-radius: 7px;
  color: #0b0c0f;
  background: #eeeeef;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.format-features {
  gap: 5px;
  margin-top: 12px;
}

.testimonial-section {
  background: #fff;
}

.review-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 980px;
  margin: 0 auto;
}

.review-card {
  min-height: 156px;
  padding: 20px;
  border-radius: 18px;
}

.stars {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-author span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #0b0c0f;
  background: #eeeeef;
  font-size: 13px;
  font-weight: 800;
}

.review-author strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.faq-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  padding: 16px 18px;
  border-radius: 14px;
}

.faq-item h3 {
  margin-bottom: 6px;
}

.faq-item p {
  margin-bottom: 0;
}

.download-section {
  padding: 36px var(--wrap) 34px;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
}

.download-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.download-brand img {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 18px 48px rgba(11, 12, 15, 0.16);
}

.download-brand h2 {
  margin-bottom: 8px;
}

.download-brand p {
  max-width: 520px;
  color: #5f6670;
}

.app-store-badge.compact {
  width: 132px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 18px var(--wrap);
  border-top: 1px solid rgba(11, 12, 15, 0.08);
  color: #5f6670;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.018em;
}

.privacy-link,
.footer-link {
  color: #0b0c0f;
  font-weight: 700;
  text-decoration: none;
}

.privacy-link:hover,
.footer-link:hover {
  text-decoration: underline;
}

.privacy-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(245, 179, 1, 0.16), transparent 34%),
    linear-gradient(180deg, #fff8ed 0%, #ffffff 42%);
  color: var(--ink);
}

.privacy-shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.privacy-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}

.privacy-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 900;
  text-decoration: none;
}

.privacy-brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.privacy-language-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.privacy-language-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid rgba(11, 12, 15, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: #343941;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.privacy-language-links a[aria-current="page"] {
  border-color: rgba(11, 12, 15, 0.82);
  background: #0b0c0f;
  color: #fff;
}

.privacy-card {
  overflow: hidden;
  border: 1px solid rgba(11, 12, 15, 0.08);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 28px 90px rgba(34, 22, 6, 0.12);
}

.privacy-hero {
  padding: clamp(32px, 6vw, 64px);
  border-bottom: 1px solid rgba(11, 12, 15, 0.08);
}

.privacy-hero .pill {
  margin-bottom: 18px;
}

.privacy-hero h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: var(--type-tight);
}

.privacy-summary {
  max-width: 760px;
  margin: 0;
  color: var(--text-muted-strong);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
}

.privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  color: #5f6670;
  font-size: 13px;
  font-weight: 700;
}

.privacy-meta span {
  padding: 7px 10px;
  border-radius: 999px;
  background: #f6f1e8;
}

.privacy-content {
  display: grid;
  gap: 0;
}

.privacy-section {
  padding: clamp(26px, 4vw, 42px) clamp(28px, 6vw, 64px);
  border-bottom: 1px solid rgba(11, 12, 15, 0.08);
}

.privacy-section:last-child {
  border-bottom: 0;
}

.privacy-section h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.privacy-section p {
  max-width: 760px;
  margin: 0 0 14px;
  color: var(--text-muted-strong);
}

.privacy-section p:last-child {
  margin-bottom: 0;
}

.privacy-section ul {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.privacy-section li {
  position: relative;
  padding-left: 22px;
  color: var(--text-list);
}

.privacy-section li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.privacy-callout {
  max-width: 800px;
  margin-top: 16px;
  padding: 18px 20px;
  border-radius: 20px;
  background: #fff8df;
  color: #46390c;
  font-weight: 700;
}

.privacy-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px 0;
  color: #5f6670;
  font-size: 13px;
}

@media (max-width: 720px) {
  .privacy-header,
  .privacy-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .privacy-language-links {
    justify-content: flex-start;
  }

  .privacy-card {
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .motion-ready .reveal-on-scroll {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 980ms cubic-bezier(0.22, 0.61, 0.36, 1),
      transform 980ms cubic-bezier(0.22, 0.61, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
  }

  .motion-ready .reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .step-item,
  .feature-card,
  .review-card,
  .faq-item {
    transition:
      transform 360ms cubic-bezier(0.22, 0.61, 0.36, 1),
      border-color 360ms ease,
      box-shadow 360ms ease;
  }

  .step-item:hover,
  .feature-card:hover,
  .review-card:hover,
  .faq-item:hover {
    transform: translateY(-3px);
    border-color: rgba(11, 12, 15, 0.12);
    box-shadow: 0 18px 46px rgba(11, 12, 15, 0.075);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    transition: none;
  }

  .hero-background-video {
    display: none;
  }

  .hero {
    background:
      linear-gradient(
        90deg,
        rgba(255, 252, 247, 0.54),
        rgba(255, 252, 247, 0.14) 48%,
        transparent
      ),
      url("assets/book-opening-poster.webp") center bottom / cover no-repeat;
  }
}

@media (max-width: 1180px) {
  .hero {
    min-height: 650px;
  }

  .hero-devices {
    min-height: 540px;
  }

  .tablet-device {
    width: 360px;
    height: 518px;
    border-radius: 16px;
  }

  .phone-device {
    right: 56px;
    width: 190px;
    height: 414px;
    border-radius: 24px;
  }
}

@media (max-width: 980px) and (min-width: 641px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 16px;
    border-color: rgba(11, 12, 15, 0.08);
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 16px 42px rgba(11, 12, 15, 0.08);
    backdrop-filter: blur(18px) saturate(1.08);
    -webkit-backdrop-filter: blur(18px) saturate(1.08);
  }

  .site-header nav {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(260px, 0.78fr) minmax(330px, 1.22fr);
    min-height: auto;
    padding: 76px 24px 0;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-devices {
    width: min(100%, 540px);
    min-height: 420px;
  }

  .tablet-device {
    left: 30px;
    bottom: 26px;
    width: 318px;
    height: 458px;
    border-width: 5px;
    border-radius: 12px;
  }

  .phone-device {
    right: 56px;
    bottom: 10px;
    width: 168px;
    height: 366px;
    border-width: 5px;
    border-radius: 22px;
  }

  .features-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-card,
  .feature-card--primary,
  .feature-card--wide {
    grid-column: span 1;
  }

  .feature-card--primary {
    min-height: 172px;
  }

  .steps-grid,
  .organize-section,
  .listening-section {
    grid-template-columns: 1fr;
  }

  .steps-grid::before {
    display: none;
  }

  .library-preview,
  #reading .reading-preview {
    width: 100%;
  }
}

@media (max-width: 640px) {
  :root {
    --wrap: 22px;
    --hero-size: 34px;
    --hero-line: 1.14;
  }

  body {
    font-size: 14px;
  }

  .site-header {
    top: 12px;
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    grid-template-columns: auto auto;
    justify-content: space-between;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 8px 10px;
    border-radius: 16px;
    transform: none;
  }

  .site-header nav {
    display: none;
  }

  .site-header .brand {
    font-size: 21px;
  }

  .site-header .brand img {
    width: 38px;
    height: 38px;
  }

  .language-select {
    width: 88px;
    height: 34px;
    padding-right: 30px;
    padding-left: 12px;
    background-position: right 11px center;
    font-size: 11px;
  }

  .download-link {
    width: 116px;
  }

  .hero {
    display: block;
    padding: 82px 28px 38px;
  }

  .hero-copy {
    max-width: 340px;
  }

  .lead {
    max-width: 320px;
    font-size: 14px;
    line-height: 1.55;
  }

  .hero-devices {
    width: min(100%, 332px);
    min-height: 286px;
    margin: 44px auto 0;
  }

  .hero-devices::before {
    left: 16px;
    right: -10px;
    bottom: 0;
    height: 22px;
  }

  .tablet-device {
    left: 0;
    bottom: 18px;
    width: 198px;
    height: 285px;
    border-width: 4px;
    border-radius: 8px;
  }

  .phone-device {
    right: 36px;
    bottom: 4px;
    width: 112px;
    height: 244px;
    border-width: 5px;
    border-radius: 16px;
  }

  .section,
  .steps-section,
  .features-section,
  .format-section,
  .testimonial-section,
  .faq-section,
  .organize-section,
  .listening-section {
    padding-top: 32px;
    padding-bottom: 34px;
  }

  .section-heading h2,
  .listening-copy h2,
  .experience-copy h2 {
    font-size: 26px;
  }

  .steps-grid,
  .features-grid,
  .format-grid,
  .review-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-item,
  .feature-card,
  .format-card,
  .review-card,
  .faq-item {
    min-height: auto;
    padding: 18px;
    border-radius: 16px;
  }

  .feature-card--primary {
    padding: 20px;
  }

  .feature-card--primary h3 {
    font-size: 17px;
  }

  .listening-section {
    display: block;
  }

  .audio-stage {
    margin-top: 22px;
    justify-content: center;
  }

  .library-preview {
    aspect-ratio: 1.65 / 1;
  }

  .download-section {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .download-brand img {
    width: 72px;
    height: 72px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .download-link {
    display: none;
  }

  .header-actions {
    gap: 0;
  }

  .hero {
    padding-right: 24px;
    padding-left: 24px;
  }

  .hero-devices {
    width: min(100%, 310px);
    min-height: 272px;
    margin-top: 40px;
  }

  .tablet-device {
    width: 184px;
    height: 265px;
    border-radius: 6px;
  }

  .phone-device {
    right: 34px;
    width: 106px;
    height: 231px;
    border-radius: 15px;
  }
}