:root {
  --background: #ffffff;
  --text-primary: #111111;
  --text-secondary: rgba(17, 17, 17, 0.56);
  --text-muted: rgba(17, 17, 17, 0.38);
  --button-primary: #1d1a1a;
  --button-text: #ffffff;
  --surface: #f6f6f4;
  --border: rgba(17, 17, 17, 0.08);
  --border-strong: rgba(17, 17, 17, 0.13);
  --green: #2f6f56;
  --green-soft: #e8f3eb;
  --blue-soft: #edf4fb;
  --purple-soft: #f2effa;
  --pink-soft: #faeff2;
  --cream-soft: #f8f4eb;
  --page-width: 1188px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  background: var(--background);
  color: var(--text-primary);
  font-family: Inter, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

button,
input,
summary {
  font: inherit;
}

h1,
h2,
h3,
p,
blockquote {
  margin: 0;
}

.site-shell {
  min-height: 100vh;
  overflow: clip;
}

.section-shell {
  margin-inline: auto;
  max-width: var(--page-width);
  padding-inline: 24px;
  width: 100%;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 20;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-shell {
  align-items: center;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  margin: 0 auto;
  max-width: var(--page-width);
  min-height: 84px;
  padding: 0 24px;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 17px;
  font-weight: 620;
  gap: 11px;
  justify-self: start;
}

.brand-mark {
  align-items: center;
  background: var(--button-primary);
  border-radius: 9px;
  display: inline-flex;
  gap: 2px;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.brand-mark i {
  animation: logo-wave 2s ease-in-out infinite;
  background: #ffffff;
  border-radius: 2px;
  display: block;
  height: 8px;
  width: 2px;
}

.brand-mark i:nth-child(2) {
  animation-delay: 120ms;
  height: 15px;
}

.brand-mark i:nth-child(3) {
  animation-delay: 240ms;
  height: 11px;
}

.brand-mark i:nth-child(4) {
  animation-delay: 360ms;
  height: 6px;
}

.desktop-nav {
  align-items: center;
  display: flex;
  font-size: 15px;
  gap: 34px;
}

.desktop-nav a,
.footer-links a {
  color: var(--text-secondary);
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--text-primary);
}

.nav-action {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-self: end;
}

.language-switcher {
  align-items: center;
  display: inline-flex;
  font-size: 13px;
  gap: 7px;
  white-space: nowrap;
}

.language-switcher > span {
  color: var(--text-muted);
}

.language-switcher button {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.4;
  padding: 8px 0;
  transition: color 180ms ease;
}

.language-switcher button:hover,
.language-switcher button[aria-pressed="true"] {
  color: var(--text-primary);
}

.language-switcher button[aria-pressed="true"] {
  font-weight: 650;
}

.mobile-language {
  align-items: center;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  padding: 13px 14px 5px;
}

.language-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.download-button {
  align-items: center;
  background: var(--button-primary);
  border: 1px solid var(--button-primary);
  border-radius: 999px;
  color: var(--button-text);
  display: inline-flex;
  font-size: 16px;
  font-weight: 580;
  gap: 16px;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  transition: background 180ms ease, transform 180ms ease;
}

.download-button:hover {
  background: #343030;
  transform: translateY(-1px) scale(1.01);
}

.download-button.compact {
  font-size: 15px;
  gap: 11px;
  min-height: 48px;
  padding: 0 21px;
}

.button-arrow {
  font-size: 17px;
  line-height: 1;
}

.download-button:focus-visible,
.brand:focus-visible,
.desktop-nav a:focus-visible,
.footer-links a:focus-visible,
.language-switcher button:focus-visible,
.mobile-menu summary:focus-visible,
.mobile-menu a:focus-visible {
  outline: 3px solid rgba(47, 111, 86, 0.25);
  outline-offset: 4px;
}

.mobile-menu {
  display: none;
  position: relative;
}

.mobile-menu summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 48px;
  justify-content: center;
  list-style: none;
  width: 48px;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary span {
  background: var(--text-primary);
  display: block;
  height: 1.5px;
  transition: transform 180ms ease;
  width: 21px;
}

.mobile-menu[open] summary span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.mobile-menu[open] summary span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.mobile-menu nav {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border);
  border-radius: 18px;
  display: grid;
  min-width: 220px;
  padding: 10px;
  position: absolute;
  right: 0;
  top: 54px;
}

.mobile-menu nav a {
  border-radius: 10px;
  font-size: 15px;
  min-height: 48px;
  padding: 14px;
}

.mobile-menu nav a:hover {
  background: var(--surface);
}

.hero {
  padding-top: 94px;
  text-align: center;
}

.eyebrow {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 560;
  line-height: 1.5;
}

.hero h1 {
  font-size: 94px;
  font-weight: 580;
  letter-spacing: 0;
  line-height: 0.98;
  margin: 26px auto 0;
  max-width: 980px;
}

.hero h1 span,
.section-heading h2 span,
.closing-section h2 span {
  color: var(--text-muted);
  display: block;
}

.hero-copy {
  color: var(--text-secondary);
  font-size: 19px;
  line-height: 1.75;
  margin: 32px auto 0;
  max-width: 760px;
}

.hero > .download-button {
  margin-top: 32px;
}

.download-note {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 13px;
}

.hero-demo {
  background: linear-gradient(135deg, #f2f6fb 0%, #f8f3f5 50%, #eff5ef 100%);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 36px;
  margin: 78px auto 0;
  max-width: 1110px;
  overflow: hidden;
  padding: 22px;
  text-align: left;
}

.demo-topline {
  align-items: center;
  color: var(--text-secondary);
  display: flex;
  font-size: 13px;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 8px 12px;
}

.demo-app,
.live-status {
  align-items: center;
  display: inline-flex;
  gap: 9px;
}

.demo-app i {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #4473a6;
  display: inline-flex;
  font-size: 13px;
  font-style: normal;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.live-status i,
.language-state i {
  animation: status-pulse 1.8s ease-in-out infinite;
  background: #58a879;
  border-radius: 50%;
  height: 7px;
  width: 7px;
}

.demo-content {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 24px;
  min-height: 480px;
  padding: 58px 72px 30px;
}

.demo-message {
  margin: 0 auto;
  max-width: 690px;
}

.message-label,
.console-label,
.raw-line > span,
.final-line > span {
  color: var(--text-muted);
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.demo-message p {
  color: rgba(17, 17, 17, 0.84);
  display: inline;
  font-size: 21px;
  line-height: 1.85;
}

.cursor {
  animation: caret-blink 1.05s steps(1) infinite;
  background: var(--green);
  display: inline-block;
  height: 24px;
  margin-left: 3px;
  vertical-align: -4px;
  width: 2px;
}

.voice-console {
  align-items: center;
  background: #1d1a1a;
  border-radius: 18px;
  color: #ffffff;
  display: grid;
  gap: 18px;
  grid-template-columns: auto 1fr auto;
  margin: 54px auto 0;
  max-width: 750px;
  min-height: 82px;
  padding: 14px 18px;
}

.voice-orb {
  align-items: center;
  background: #30302e;
  border-radius: 13px;
  display: flex;
  gap: 2px;
  height: 50px;
  justify-content: center;
  width: 50px;
}

.voice-orb span {
  animation: voice-wave 1.2s ease-in-out infinite alternate;
  background: #c3f0d4;
  border-radius: 2px;
  height: 9px;
  width: 2px;
}

.voice-orb span:nth-child(2),
.voice-orb span:nth-child(6) {
  animation-delay: 100ms;
  height: 18px;
}

.voice-orb span:nth-child(3),
.voice-orb span:nth-child(5) {
  animation-delay: 200ms;
  height: 27px;
}

.voice-orb span:nth-child(4) {
  animation-delay: 300ms;
  height: 34px;
}

.voice-console .console-label {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 5px;
}

.voice-console p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.voice-console del {
  color: rgba(255, 255, 255, 0.32);
  text-decoration-color: rgba(255, 255, 255, 0.25);
}

.voice-console kbd {
  background: #30302e;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9px;
  color: rgba(255, 255, 255, 0.6);
  font-family: inherit;
  font-size: 12px;
  padding: 8px 10px;
}

.speed-strip {
  align-items: center;
  display: grid;
  gap: 26px;
  grid-template-columns: auto minmax(100px, 1fr) auto auto;
  min-height: 148px;
  padding: 22px 26px 0;
}

.speed-strip > div:not(.speed-line) {
  display: grid;
  grid-template-columns: auto auto;
}

.speed-strip span {
  color: var(--text-secondary);
  font-size: 13px;
  grid-column: 1 / -1;
}

.speed-strip strong {
  font-size: 50px;
  font-weight: 560;
  letter-spacing: 0;
  line-height: 1;
  margin-top: 8px;
}

.speed-strip small {
  align-self: end;
  color: var(--text-muted);
  font-size: 11px;
  padding: 0 0 4px 7px;
}

.speed-line {
  background: rgba(17, 17, 17, 0.1);
  height: 2px;
  position: relative;
}

.speed-line i {
  animation: speed-progress 3s ease-in-out infinite;
  background: var(--green);
  display: block;
  height: 100%;
  width: 22%;
}

.voice-stat strong {
  color: var(--green);
}

.time-saved {
  border-left: 1px solid var(--border-strong);
  margin-left: 10px;
  padding-left: 28px;
}

.time-saved strong {
  font-size: 20px;
  margin-top: 10px;
}

.everywhere-section,
.features-section,
.privacy-section {
  padding-top: 180px;
}

.section-heading {
  max-width: 850px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  font-size: 68px;
  font-weight: 560;
  letter-spacing: 0;
  line-height: 1.05;
  margin-top: 19px;
}

.section-heading > p:last-child:not(.eyebrow) {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
  margin-top: 24px;
}

.marquee-stage {
  display: grid;
  gap: 16px;
  margin: 72px calc((100vw - min(100vw, var(--page-width))) / -2) 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  overflow: hidden;
  padding: 8px 0;
}

.marquee-row {
  overflow: hidden;
}

.marquee-track {
  animation: marquee-left 34s linear infinite;
  display: flex;
  gap: 16px;
  width: max-content;
}

.marquee-row.reverse .marquee-track {
  animation-direction: reverse;
  animation-duration: 38s;
}

.app-chip {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
  display: flex;
  font-size: 15px;
  font-weight: 520;
  gap: 12px;
  min-height: 74px;
  padding: 10px 24px 10px 12px;
  width: 182px;
}

.app-icon {
  align-items: center;
  border: 1px solid rgba(17, 17, 17, 0.05);
  border-radius: 13px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 650;
  height: 50px;
  justify-content: center;
  width: 50px;
}

.app-icon.green { background: #e8f4ea; color: #256c4a; }
.app-icon.blue { background: #e9f1fb; color: #2d64a2; }
.app-icon.cyan { background: #e8f7f7; color: #26737c; }
.app-icon.red { background: #fbeceb; color: #a23e36; }
.app-icon.yellow { background: #faf3db; color: #8a6815; }
.app-icon.purple { background: #f1ecfa; color: #654399; }
.app-icon.ink { background: #eeeeed; color: #20201f; }

.platforms {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 70px;
}

.platforms > span {
  align-items: center;
  border-right: 1px solid var(--border);
  display: flex;
  font-size: 15px;
  gap: 9px;
  min-height: 72px;
  padding: 0 18px;
}

.platforms > span:last-child {
  border-right: 0;
}

.platforms i {
  background: #d1d2cf;
  border-radius: 50%;
  height: 7px;
  width: 7px;
}

.platforms i.available {
  background: #5ba579;
}

.platforms small {
  color: var(--text-muted);
  font-size: 11px;
  margin-left: auto;
}

.features-section > .section-heading {
  margin-bottom: 112px;
}

.feature-row {
  align-items: center;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 7.5%;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  min-height: 730px;
  padding: 104px 0;
}

.feature-copy {
  align-self: center;
}

.feature-index {
  color: var(--text-muted);
  font-size: 13px;
}

.feature-copy h3 {
  font-size: 34px;
  font-weight: 570;
  letter-spacing: 0;
  line-height: 1.25;
  margin-top: 24px;
}

.feature-copy p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.8;
  margin-top: 22px;
  max-width: 400px;
}

.feature-demo {
  border: 1px solid rgba(17, 17, 17, 0.05);
  border-radius: 32px;
  min-height: 500px;
  overflow: hidden;
  padding: 56px;
  position: relative;
}

.demo-filler {
  background: linear-gradient(145deg, #f5f2eb, #f7f5f1 48%, #eff6f0);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.raw-line p,
.final-line p {
  font-size: 23px;
  line-height: 1.75;
}

.raw-line p {
  color: rgba(17, 17, 17, 0.44);
}

.raw-line del {
  color: rgba(17, 17, 17, 0.22);
  text-decoration-color: #c38379;
}

.transform-line {
  align-items: center;
  color: var(--text-muted);
  display: flex;
  font-size: 12px;
  gap: 12px;
  margin: 32px 0;
}

.transform-line::before,
.transform-line::after {
  background: rgba(17, 17, 17, 0.08);
  content: "";
  height: 1px;
}

.transform-line::before { width: 28px; }
.transform-line::after { flex: 1; }

.transform-line span {
  animation: status-pulse 1.8s ease-in-out infinite;
  background: var(--green);
  border-radius: 50%;
  height: 6px;
  width: 6px;
}

.final-line {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 18px;
  padding: 24px;
}

.final-line p {
  color: #244d3a;
  font-weight: 540;
}

.demo-correction {
  background: linear-gradient(145deg, #eff5fb, #f5f3fa);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.correction-note {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 18px;
  padding: 24px 26px;
}

.correction-note span {
  color: var(--text-muted);
  display: block;
  font-size: 12px;
  margin-bottom: 11px;
}

.correction-note p {
  font-size: 21px;
  line-height: 1.55;
}

.correction-note.old {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(176, 84, 73, 0.45);
}

.correction-note.new {
  border-color: rgba(72, 132, 101, 0.22);
  color: #234f3a;
}

.correction-bridge {
  align-items: center;
  color: #45785e;
  display: flex;
  font-size: 12px;
  min-height: 58px;
  padding-left: 22px;
  position: relative;
}

.correction-bridge::before {
  border-left: 1px solid rgba(69, 120, 94, 0.4);
  border-radius: 0 0 0 10px;
  border-bottom: 1px solid rgba(69, 120, 94, 0.4);
  content: "";
  height: 34px;
  margin-right: 12px;
  width: 16px;
}

.demo-format {
  background: linear-gradient(145deg, #f8f4eb, #f5f0ee);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.document-head,
.dictionary-search {
  align-items: center;
  display: flex;
  font-size: 16px;
  font-weight: 570;
  justify-content: space-between;
}

.document-head small,
.dictionary-search small {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 480;
  padding: 7px 10px;
}

.demo-format ul {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 20px;
  list-style: none;
  margin: 28px 0 0;
  padding: 8px 20px;
}

.demo-format li {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: grid;
  font-size: 15px;
  gap: 15px;
  grid-template-columns: auto 1fr auto;
  min-height: 72px;
}

.demo-format li:last-child {
  border-bottom: 0;
}

.demo-format li i {
  align-items: center;
  background: #252320;
  border-radius: 50%;
  color: #ffffff;
  display: inline-flex;
  font-size: 10px;
  font-style: normal;
  height: 25px;
  justify-content: center;
  width: 25px;
}

.demo-format li b {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
}

.demo-language {
  background: linear-gradient(145deg, #eef5fb, #f2f0f8 56%, #f8f1f3);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.language-state {
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 999px;
  color: var(--text-secondary);
  display: inline-flex;
  font-size: 12px;
  gap: 8px;
  padding: 8px 12px;
  width: fit-content;
}

.demo-language > p {
  font-size: 26px;
  line-height: 1.7;
  margin-top: 32px;
}

.demo-language strong {
  color: #4e6094;
  font-weight: 570;
}

.language-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.language-tags span {
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 11px;
  padding: 7px 10px;
}

.demo-tone {
  background: linear-gradient(145deg, #edf6f0, #f8f5ed);
}

.tone-tabs {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 13px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 4px;
}

.tone-tabs span {
  border-radius: 9px;
  color: var(--text-muted);
  font-size: 12px;
  padding: 10px;
  text-align: center;
}

.tone-tabs span.active {
  background: #ffffff;
  color: var(--text-primary);
}

.mail-preview {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 20px;
  margin-top: 24px;
  padding: 28px;
}

.mail-preview > span {
  color: var(--text-muted);
  font-size: 12px;
}

.mail-preview p {
  font-size: 21px;
  line-height: 1.75;
  margin-top: 22px;
}

.tone-footer {
  align-items: center;
  color: var(--text-muted);
  display: grid;
  font-size: 11px;
  gap: 10px;
  grid-template-columns: auto 1fr auto;
  margin-top: 24px;
}

.tone-footer i {
  background: rgba(17, 17, 17, 0.1);
  height: 2px;
  position: relative;
}

.tone-footer i::after {
  background: var(--green);
  border: 3px solid #ffffff;
  border-radius: 50%;
  content: "";
  height: 12px;
  left: 66%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
}

.demo-dictionary {
  background: linear-gradient(145deg, #f5f0fa, #eef4f8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.word-list {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 20px;
  display: grid;
  margin-top: 28px;
  padding: 8px 20px;
}

.word-list > span {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: grid;
  font-size: 14px;
  gap: 13px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 76px;
}

.word-list > span:last-child {
  border-bottom: 0;
}

.word-list i {
  align-items: center;
  background: #ece8f2;
  border-radius: 10px;
  color: #63557a;
  display: inline-flex;
  font-style: normal;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.word-list small {
  color: var(--text-muted);
  font-size: 11px;
}

.models-section {
  background: var(--surface);
  margin-top: 100px;
  padding: 150px 0;
}

.model-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 72px;
}

.model-card {
  border: 1px solid rgba(17, 17, 17, 0.05);
  border-radius: 28px;
  min-height: 390px;
  padding: 36px;
  position: relative;
}

.model-card.mint { background: #eaf3ed; }
.model-card.blue { background: #eaf1f8; }
.model-card.cream { background: #f6f0e5; }
.model-card.lilac { background: #f0edf7; }

.model-type {
  color: var(--text-secondary);
  font-size: 12px;
}

.model-pulse {
  align-items: center;
  display: flex;
  gap: 5px;
  height: 90px;
  margin-top: 38px;
}

.model-pulse i {
  animation: model-wave 2.1s ease-in-out infinite;
  background: rgba(17, 17, 17, 0.15);
  border-radius: 999px;
  height: 24px;
  width: 8px;
}

.model-pulse i:nth-child(2) {
  animation-delay: 160ms;
  height: 60px;
}

.model-pulse i:nth-child(3) {
  animation-delay: 320ms;
  height: 38px;
}

.model-card h3 {
  font-size: 28px;
  font-weight: 570;
  line-height: 1.25;
  margin-top: 16px;
}

.model-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-top: 16px;
  max-width: 430px;
}

.model-card small {
  bottom: 34px;
  color: var(--text-muted);
  font-size: 11px;
  left: 36px;
  position: absolute;
}

.privacy-section {
  padding-bottom: 120px;
}

.privacy-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
}

.privacy-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  min-height: 330px;
  padding: 34px;
}

.privacy-symbol {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  display: inline-flex;
  font-size: 11px;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.privacy-card h3 {
  font-size: 27px;
  font-weight: 570;
  line-height: 1.3;
  margin-top: 72px;
}

.privacy-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-top: 16px;
}

.testimonials-section {
  border-top: 1px solid var(--border);
  padding: 150px 0 170px;
}

.testimonial-scroll {
  display: flex;
  gap: 16px;
  margin-top: 72px;
  overflow-x: auto;
  padding: 0 max(24px, calc((100vw - var(--page-width)) / 2 + 24px)) 24px;
  scrollbar-color: rgba(17, 17, 17, 0.18) transparent;
  scrollbar-width: thin;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 26px;
  display: flex;
  flex: 0 0 390px;
  flex-direction: column;
  justify-content: space-between;
  min-height: 270px;
  padding: 34px;
}

.testimonial-card p {
  font-size: 21px;
  line-height: 1.65;
}

.testimonial-card footer {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 42px;
}

.manifesto-section {
  align-items: center;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 60px;
  grid-template-columns: 150px 1fr;
  min-height: 430px;
  padding-bottom: 80px;
  padding-top: 80px;
}

.manifesto-mark {
  align-items: center;
  background: var(--button-primary);
  border-radius: 32px;
  display: flex;
  gap: 6px;
  height: 130px;
  justify-content: center;
  width: 130px;
}

.manifesto-mark i {
  animation: voice-wave 1.35s ease-in-out infinite alternate;
  background: #ffffff;
  border-radius: 99px;
  height: 28px;
  width: 4px;
}

.manifesto-mark i:nth-child(2),
.manifesto-mark i:nth-child(4) { height: 58px; }
.manifesto-mark i:nth-child(3) { height: 82px; }

.manifesto-section p {
  font-size: 41px;
  font-weight: 540;
  line-height: 1.35;
}

.closing-section {
  align-items: center;
  background: #f6f6f5;
  display: flex;
  justify-content: center;
  min-height: 720px;
  overflow: hidden;
  padding: 100px 24px;
  position: relative;
  text-align: center;
}

.closing-glow {
  background: linear-gradient(135deg, rgba(191, 220, 238, 0.55), rgba(213, 205, 238, 0.46), rgba(207, 231, 213, 0.5));
  border-radius: 50%;
  filter: blur(80px);
  height: 540px;
  left: 50%;
  opacity: 0.72;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 760px;
}

.closing-content {
  position: relative;
  z-index: 1;
}

.closing-section h2 {
  font-size: 82px;
  font-weight: 570;
  letter-spacing: 0;
  line-height: 1.02;
  margin-top: 22px;
}

.closing-section p:not(.eyebrow) {
  color: var(--text-secondary);
  font-size: 18px;
  margin-top: 28px;
}

.closing-section .download-button {
  margin-top: 34px;
}

.closing-section small {
  color: var(--text-muted);
  display: block;
  font-size: 12px;
  margin-top: 14px;
}

.footer {
  align-items: center;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  min-height: 170px;
  padding-bottom: 38px;
  padding-top: 38px;
}

.footer > p {
  color: var(--text-secondary);
  font-size: 14px;
  justify-self: center;
}

.footer-links {
  display: flex;
  font-size: 13px;
  gap: 24px;
  justify-self: end;
}

.footer > small {
  color: var(--text-muted);
  font-size: 11px;
  grid-column: 1 / -1;
  margin-top: 34px;
}

@supports (animation-timeline: view()) {
  .reveal {
    animation: reveal-up linear both;
    animation-range: entry 8% cover 30%;
    animation-timeline: view();
  }
}

@keyframes logo-wave {
  0%, 100% { transform: scaleY(0.7); }
  50% { transform: scaleY(1); }
}

@keyframes status-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes caret-blink {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}

@keyframes voice-wave {
  from { transform: scaleY(0.55); }
  to { transform: scaleY(1); }
}

@keyframes speed-progress {
  0%, 100% { width: 22%; }
  55%, 75% { width: 100%; }
}

@keyframes marquee-left {
  to { transform: translateX(calc(-50% - 8px)); }
}

@keyframes model-wave {
  0%, 100% { opacity: 0.4; transform: scaleY(0.65); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .desktop-language-switcher {
    display: none;
  }

  .desktop-nav {
    display: none;
  }

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

  .mobile-menu {
    display: block;
  }

  .hero {
    padding-top: 82px;
  }

  .hero h1 {
    font-size: 68px;
  }

  .demo-content {
    padding: 48px 44px 28px;
  }

  .speed-strip {
    gap: 18px;
    grid-template-columns: auto minmax(80px, 1fr) auto;
  }

  .time-saved {
    border-left: 0;
    border-top: 1px solid var(--border);
    grid-column: 1 / -1;
    margin-left: 0;
    padding: 20px 0 0;
  }

  .time-saved strong {
    font-size: 18px;
  }

  .section-heading h2 {
    font-size: 54px;
  }

  .feature-row {
    gap: 52px;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 90px 0;
  }

  .feature-copy p {
    max-width: 620px;
  }

  .privacy-grid {
    grid-template-columns: 1fr 1fr;
  }

  .privacy-card:last-child {
    grid-column: 1 / -1;
  }

  .manifesto-section p {
    font-size: 34px;
  }
}

@media (max-width: 700px) {
  html {
    scroll-padding-top: 82px;
  }

  .section-shell,
  .nav-shell {
    padding-inline: 18px;
  }

  .nav-shell {
    min-height: 72px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    border-radius: 8px;
    height: 31px;
    width: 31px;
  }

  .nav-action > .download-button {
    display: none;
  }

  .mobile-menu nav {
    position: fixed;
    right: 18px;
    top: 68px;
  }

  .hero {
    padding-top: 62px;
  }

  .hero h1 {
    font-size: 50px;
    line-height: 1.02;
    margin-top: 20px;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.72;
    margin-top: 26px;
  }

  .desktop-break {
    display: none;
  }

  .hero > .download-button {
    margin-top: 28px;
    width: 100%;
  }

  .hero-demo {
    border-radius: 26px;
    margin-top: 52px;
    padding: 10px;
  }

  .demo-topline {
    min-height: 46px;
    padding: 0 6px 8px;
  }

  .live-status {
    font-size: 11px;
  }

  .demo-content {
    border-radius: 19px;
    min-height: 430px;
    padding: 30px 20px 18px;
  }

  .demo-message p {
    font-size: 16px;
    line-height: 1.78;
  }

  .cursor {
    height: 19px;
  }

  .voice-console {
    gap: 12px;
    grid-template-columns: auto 1fr;
    margin-top: 34px;
    min-height: 70px;
    padding: 10px;
  }

  .voice-orb {
    height: 44px;
    width: 44px;
  }

  .voice-console p {
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .voice-console kbd {
    display: none;
  }

  .speed-strip {
    gap: 12px;
    grid-template-columns: 1fr 1fr;
    padding: 18px 8px 8px;
  }

  .speed-line {
    display: none;
  }

  .speed-strip > div:not(.speed-line) {
    min-width: 0;
  }

  .speed-strip strong {
    font-size: 36px;
  }

  .time-saved {
    grid-column: 1 / -1;
  }

  .everywhere-section,
  .features-section,
  .privacy-section {
    padding-top: 120px;
  }

  .section-heading h2 {
    font-size: 44px;
    line-height: 1.08;
  }

  .section-heading > p:last-child:not(.eyebrow) {
    font-size: 16px;
  }

  .marquee-stage {
    margin-top: 50px;
  }

  .app-chip {
    border-radius: 15px;
    min-height: 66px;
    padding-right: 18px;
    width: 156px;
  }

  .app-icon {
    border-radius: 11px;
    height: 44px;
    width: 44px;
  }

  .platforms {
    grid-template-columns: 1fr 1fr;
    margin-top: 50px;
  }

  .platforms > span:nth-child(2) {
    border-right: 0;
  }

  .platforms > span:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }

  .platforms > span:last-child {
    grid-column: 1 / -1;
  }

  .platforms > span {
    font-size: 13px;
    min-height: 66px;
    padding: 0 10px;
  }

  .platforms small {
    font-size: 9px;
  }

  .features-section > .section-heading {
    margin-bottom: 72px;
  }

  .feature-row {
    gap: 34px;
    padding: 72px 0;
  }

  .feature-copy h3 {
    font-size: 30px;
  }

  .feature-copy p {
    font-size: 16px;
  }

  .feature-demo {
    border-radius: 24px;
    min-height: 410px;
    padding: 28px;
  }

  .raw-line p,
  .final-line p {
    font-size: 18px;
  }

  .final-line {
    padding: 18px;
  }

  .correction-note {
    padding: 20px;
  }

  .correction-note p {
    font-size: 17px;
  }

  .document-head {
    align-items: flex-start;
    gap: 10px;
  }

  .demo-format ul,
  .word-list {
    padding: 6px 14px;
  }

  .demo-format li {
    font-size: 13px;
    gap: 9px;
  }

  .demo-format li b {
    display: none;
  }

  .demo-language > p {
    font-size: 20px;
  }

  .mail-preview {
    padding: 22px;
  }

  .mail-preview p {
    font-size: 17px;
  }

  .word-list > span {
    font-size: 12px;
    gap: 9px;
  }

  .word-list small {
    display: none;
  }

  .models-section {
    margin-top: 60px;
    padding: 110px 0;
  }

  .model-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
    margin-top: 50px;
  }

  .model-card {
    min-height: 360px;
    padding: 28px;
  }

  .model-card small {
    bottom: 28px;
    left: 28px;
  }

  .privacy-section {
    padding-bottom: 100px;
  }

  .privacy-card,
  .privacy-card:last-child {
    grid-column: auto;
    min-height: 280px;
    padding: 28px;
  }

  .privacy-card h3 {
    font-size: 24px;
    margin-top: 52px;
  }

  .testimonials-section {
    padding: 110px 0 120px;
  }

  .testimonial-scroll {
    margin-top: 50px;
    padding-left: 18px;
    padding-right: 18px;
    scroll-snap-type: x mandatory;
  }

  .testimonial-card {
    flex-basis: min(84vw, 340px);
    min-height: 250px;
    padding: 28px;
    scroll-snap-align: start;
  }

  .testimonial-card p {
    font-size: 18px;
  }

  .manifesto-section {
    gap: 34px;
    grid-template-columns: 1fr;
    min-height: 460px;
    padding-bottom: 76px;
    padding-top: 76px;
  }

  .manifesto-mark {
    border-radius: 25px;
    height: 96px;
    width: 96px;
  }

  .manifesto-section p {
    font-size: 28px;
  }

  .closing-section {
    min-height: 620px;
    padding-inline: 18px;
  }

  .closing-glow {
    height: 420px;
    width: 500px;
  }

  .closing-section h2 {
    font-size: 50px;
  }

  .closing-section p:not(.eyebrow) {
    font-size: 16px;
  }

  .closing-section .download-button {
    width: 100%;
  }

  .footer {
    align-items: start;
    gap: 28px;
    grid-template-columns: 1fr auto;
    padding-bottom: 36px;
    padding-top: 52px;
  }

  .footer > p {
    display: none;
  }

  .footer > small {
    margin-top: 12px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}


.legal-footer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
  width: 100%;
}

.filing-links {
  align-items: center;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filing-links a {
  color: var(--text-muted);
  transition: color 180ms ease;
}

.filing-links a:hover {
  color: var(--text-primary);
}

.filing-links img {
  height: 18px;
  object-fit: contain;
  width: 16px;
}

@media (max-width: 700px) {
  .legal-footer {
    align-items: flex-start;
    flex-direction: column;
    line-height: 1.6;
  }
}