:root {
  --bg: #faf9f6;
  --surface: #fffefa;
  --ink: #292b28;
  --muted: #84867f;
  --accent: #a47b3e;
  --accent-rgb: 176, 131, 61;
  --line: #e7e5de;
  --soft: #f2f1ea;
  --panel: #f8f7f2;
  --button: #292e28;
  --on-button: #fff;
  --shadow: 0 28px 90px #4c442b0b;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition:
    background 0.6s,
    color 0.6s;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  border: 0;
  background: none;
}
button,
a {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
::selection {
  background: rgba(var(--accent-rgb), 0.22);
}
.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  background: var(--ink);
  color: var(--bg);
  padding: 14px;
  z-index: 100;
}
.skip-link:focus {
  top: 10px;
}
.header {
  height: 88px;
  max-width: 1280px;
  padding: 0 48px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 5;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 2px;
}
.brand-icon {
  font-family: Arial, sans-serif;
  font-size: 37px;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  display: inline-block;
  letter-spacing: 0;
}
.brand-en {
  font-size: 10px;
  letter-spacing: 2.5px;
  font-weight: 500;
  margin: 7px 0 0 5px;
  color: var(--muted);
}
.header nav {
  display: flex;
  gap: 35px;
  font-size: 12px;
  color: #75776f;
}
.header nav a {
  transition: color 0.2s;
}
.header nav a:hover {
  color: var(--accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.account-entry {
  font-size: 12px;
  white-space: nowrap;
  color: var(--muted);
}
.account-entry:hover {
  color: var(--accent);
}
.nav-cta {
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 17px;
  background: var(--surface);
}
.nav-cta span {
  margin-left: 14px;
}
.hero {
  min-height: 668px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: -88px;
  padding-top: 88px;
}
.hero-atmosphere {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: radial-gradient(
    ellipse at 73% 48%,
    rgba(var(--accent-rgb), 0.09),
    transparent 52%
  );
}
#field {
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
  inset: 0;
  pointer-events: none;
}
.hero-inner {
  max-width: 1160px;
  margin: auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  padding: 76px 36px 55px;
}
.eyebrow {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2.2px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 9px;
  line-height: 1.8;
}
.live-dot,
.small-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  flex-shrink: 0;
}
.live-dot {
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.09);
}
h1 {
  font-size: clamp(54px, 5.7vw, 80px);
  line-height: 1.25;
  letter-spacing: -4px;
  margin: 29px 0 24px;
  font-weight: 500;
}
h1 > span {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -2px;
}
.hero-description {
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: 0.7px;
  color: var(--muted);
  margin: 0;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 31px;
}
.button {
  height: 45px;
  padding: 0 23px;
  display: inline-flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  font-size: 12px;
  transition:
    transform 0.2s,
    background 0.2s,
    box-shadow 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.primary {
  background: var(--button);
  color: var(--on-button);
  box-shadow: 0 3px 8px #0000000b;
}
.primary:hover {
  box-shadow: 0 7px 18px #00000017;
}
.text-button {
  gap: 9px;
  padding: 0 7px;
}
.play-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 13px;
}
.hero-note {
  font-size: 10px;
  color: var(--muted);
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.4px;
}
.note-line {
  width: 18px;
  height: 1px;
  background: var(--accent);
  opacity: 0.55;
}
.solar {
  position: relative;
  height: 380px;
  align-self: center;
  perspective: 800px;
}
.sun {
  position: absolute;
  left: 50%;
  top: 45%;
  width: 135px;
  height: 135px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(
    circle at 38% 33%,
    #fffdf5 0,
    #ffeec2 35%,
    #eccc88 65%,
    #c89b52 100%
  );
  box-shadow:
    0 0 52px 7px #f7d59455,
    0 0 120px 45px #edc47725,
    inset -6px -12px 24px #b1843630;
  animation: sun-breathe 9s ease-in-out infinite;
}
.solar-haze {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse,
    rgba(var(--accent-rgb), 0.11),
    transparent 65%
  );
  filter: blur(18px);
  animation: haze-breathe 9s ease-in-out infinite;
}
.orbit {
  position: absolute;
  top: 45%;
  left: 50%;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(66deg) rotateZ(-28deg);
  box-shadow: 0 0 2px rgba(var(--accent-rgb), 0.03);
}
.orbit:after {
  content: "";
  position: absolute;
  left: 30px;
  top: 47px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.4);
}
.orbit-b {
  width: 410px;
  height: 410px;
  transform: translate(-50%, -50%) rotateX(62deg) rotateZ(-28deg);
  opacity: 0.7;
}
.orbit-b:after {
  left: auto;
  right: 55px;
  top: auto;
  bottom: 50px;
  width: 3px;
  height: 3px;
}
.orbit-c {
  width: 230px;
  height: 230px;
  transform: translate(-50%, -50%) rotateY(65deg) rotateZ(25deg);
  opacity: 0.42;
}
.orbit-c:after {
  display: none;
}
.solar-cross {
  position: absolute;
  font-family: monospace;
  font-size: 15px;
  color: var(--accent);
  opacity: 0.4;
}
.cross-a {
  top: 12%;
  right: 10%;
}
.cross-b {
  bottom: 13%;
  left: 15%;
}
.solar-caption {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 7px;
  letter-spacing: 1.9px;
  color: var(--accent);
  opacity: 0.6;
}
.caption-line {
  width: 25px;
  height: 1px;
  background: currentColor;
}
.hero-bottom {
  max-width: 1088px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 1px;
  padding: 4px 0 30px;
}
.hero-bottom > span:last-child {
  font-size: 8px;
  letter-spacing: 1.8px;
}
.hero-bottom > span:last-child span {
  padding-left: 18px;
  font-size: 15px;
}
.section-wrap {
  max-width: 1160px;
  margin: auto;
  padding-left: 36px;
  padding-right: 36px;
}
.workspace-section {
  position: relative;
  padding-top: 24px;
}
.workspace-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}
.workspace-caption h2 {
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.6px;
}
.workspace-caption > span {
  font-size: 9px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
}
.workbench {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.window-top {
  height: 38px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 9px;
  color: var(--muted);
  background: var(--panel);
}
.traffic-lights {
  display: flex;
  gap: 5px;
  width: 100px;
}
.traffic-lights i {
  width: 7px;
  height: 7px;
  background: #d6d4cb;
  border-radius: 50%;
}
.traffic-lights i:first-child {
  background: #deb8a5;
}
.traffic-lights i:nth-child(2) {
  background: #e4ce96;
}
.traffic-lights i:last-child {
  background: #b3c1a2;
}
.window-right {
  width: 100px;
  text-align: right;
}
.window-right span {
  margin-left: 13px;
}
.workbench-body {
  display: grid;
  grid-template-columns: 190px 1fr 350px;
  min-height: 535px;
}
.app-sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 23px 14px;
  display: flex;
  flex-direction: column;
  font-size: 10px;
}
.app-logo {
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 4px 21px;
}
.app-logo .brand-icon {
  font-size: 25px;
}
.app-logo > span:last-child {
  font-size: 8px;
  color: var(--muted);
  margin-left: auto;
  font-weight: 400;
}
.new-project {
  font-size: 9px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 10px 4px;
  display: flex;
  gap: 7px;
  align-items: center;
  justify-content: center;
}
.new-project > span {
  font-size: 14px;
}
.sidebar-label {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.5px;
  margin: 26px 8px 10px;
}
.sidebar-item {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 9px 8px;
  color: var(--muted);
  font-size: 9px;
  border-radius: 4px;
}
.sidebar-item > span:first-child {
  font-size: 13px;
}
.count {
  margin-left: auto;
  font-size: 8px;
}
.project-label {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
}
.sidebar-item.selected {
  color: var(--ink);
  background: rgba(var(--accent-rgb), 0.09);
}
.file-tree {
  display: flex;
  flex-direction: column;
  margin: 5px 0 0 19px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  font-size: 8px;
  gap: 15px;
  color: var(--muted);
}
.file-tree .active-file {
  color: var(--accent);
}
.sidebar-bottom {
  margin-top: auto;
  padding-top: 25px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
}
.sidebar-bottom small {
  display: block;
  font-size: 7px;
  color: var(--muted);
  margin-top: 5px;
}
.sidebar-bottom > span:last-child {
  margin-left: auto;
  color: var(--muted);
}
.avatar {
  background: #e7e7dc;
  color: #717963;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 10px;
}
.app-conversation {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: 1px solid var(--line);
}
.pane-heading {
  height: 41px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 19px;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
}
.muted {
  color: var(--muted);
}
.conversation-scroll {
  padding: 16px 24px 8px;
  flex: 1;
}
.date-label {
  display: block;
  font-size: 8px;
  color: var(--muted);
  text-align: center;
  margin: 0 0 19px;
}
.user-message {
  padding: 12px 14px;
  border-radius: 8px 8px 2px 8px;
  background: var(--soft);
  font-size: 10px;
  line-height: 1.9;
  margin: 0 0 22px 35px;
}
.assistant-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
}
.assistant-label .brand-icon {
  font-size: 21px;
}
.assistant-label > span:last-child {
  color: var(--muted);
  font-size: 8px;
  margin-left: 3px;
}
.assistant-text {
  font-size: 10px;
  line-height: 1.95;
  margin: 11px 0 15px;
  color: var(--muted);
  min-height: 40px;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.step {
  width: 100%;
  display: flex;
  align-items: center;
  text-align: left;
  gap: 11px;
  border-radius: 5px;
  padding: 9px 10px;
  border: 1px solid transparent;
  font-size: 10px;
  transition:
    background 0.3s,
    border-color 0.3s;
}
.step:hover {
  background: var(--panel);
}
.step.active {
  background: rgba(var(--accent-rgb), 0.045);
  border-color: rgba(var(--accent-rgb), 0.2);
}
.step-icon {
  font-family: monospace;
  font-size: 9px;
  width: 25px;
  height: 25px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.active .step-icon {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.4);
  background: var(--surface);
}
.step small {
  font-size: 8px;
  display: block;
  color: var(--muted);
  margin-top: 4px;
}
.step-status {
  margin-left: auto;
  color: var(--muted);
}
.step.active .step-status {
  color: var(--accent);
}
.demo-control {
  display: flex;
  gap: 5px;
  align-items: center;
  margin: 13px 0 0;
  font-size: 7px;
  color: var(--muted);
}
.demo-control button {
  margin-left: auto;
  font-size: 8px;
  color: var(--accent);
  padding: 5px 0 5px 5px;
}
.mock-composer {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 13px;
  margin: 11px 20px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 9px;
  color: var(--muted);
  text-align: left;
}
.composer-arrow {
  height: 22px;
  width: 22px;
  background: var(--soft);
  border-radius: 5px;
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 15px;
}
.app-document {
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.doc-icon {
  color: var(--accent);
  margin-right: 6px;
}
.document-paper {
  margin: 20px 18px 14px;
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 2px 4px #00000002;
  flex: 1;
  min-height: 388px;
  font-size: 9px;
  line-height: 1.9;
  animation: document-in 0.4s ease;
}
.document-paper .paper-eyebrow {
  font-size: 6px;
  letter-spacing: 1.6px;
  color: var(--accent);
  margin: 0 0 10px;
}
.document-paper h3 {
  font-size: 17px;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0 10px;
}
.document-paper .paper-subtitle {
  font-size: 8px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 15px;
  margin-bottom: 18px;
}
.document-paper h4 {
  font-size: 10px;
  font-weight: 500;
  margin: 17px 0 7px;
}
.document-paper p {
  color: var(--muted);
  font-size: 9px;
  margin: 6px 0;
}
.document-paper ul {
  padding-left: 15px;
  color: var(--muted);
  font-size: 9px;
}
.document-paper li {
  margin-bottom: 6px;
}
.paper-callout {
  margin-top: 18px;
  background: rgba(var(--accent-rgb), 0.06);
  border-left: 2px solid var(--accent);
  padding: 9px 10px;
  color: var(--accent);
  font-size: 8px;
}
.paper-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 8px;
  margin-top: 10px;
}
.paper-table td,
.paper-table th {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 7px 3px;
  font-weight: 400;
}
.paper-table td {
  color: var(--muted);
}
.document-footer {
  padding: 0 18px 14px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 7px;
  color: var(--muted);
}
.document-footer > span:last-child {
  margin-left: auto;
}
.integrations {
  text-align: center;
  padding: 42px 0 54px;
  border-bottom: 1px solid var(--line);
}
.integrations > p:first-child {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.5px;
}
.integrations > div {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 44px;
  margin-top: 24px;
}
.integrations > div > span {
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
  display: flex;
  gap: 7px;
  align-items: center;
}
.integrations b {
  font-size: 16px;
  font-weight: 600;
}
.zotero-mark {
  font-family: Georgia, serif;
}
.stata-mark {
  font-size: 21px !important;
}
.word-mark,
.excel-mark {
  font-size: 10px !important;
  background: var(--muted);
  color: var(--bg);
  width: 19px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 2px;
}
.markdown-mark {
  font-size: 11px !important;
  border: 1px solid var(--muted);
  padding: 1px 3px;
  border-radius: 2px;
}
.integration-note {
  font-size: 8px;
  color: var(--muted);
  margin-top: 22px;
  opacity: 0.75;
}
.possibilities {
  padding-top: 87px;
  padding-bottom: 76px;
}
.section-intro {
  text-align: center;
}
.section-intro .eyebrow {
  justify-content: center;
}
.section-intro h2 {
  font-size: 34px;
  letter-spacing: -1px;
  font-weight: 400;
  margin: 17px 0;
}
.section-intro > p:last-child {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.95;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 44px;
}
.feature-visual {
  height: 230px;
  border-radius: 6px;
  background: var(--soft);
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
}
.feature-number {
  font-size: 8px;
  letter-spacing: 1.7px;
  color: var(--accent);
}
.feature h3 {
  font-weight: 400;
  font-size: 21px;
  letter-spacing: -0.4px;
  margin: 13px 0 11px;
}
.feature > p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.95;
}
.feature-link {
  font-size: 10px;
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 27px;
  margin-top: 10px;
}
.feature-link:hover {
  color: var(--accent);
}
.reference-sheet {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  width: 180px;
  height: 172px;
  left: 50%;
  top: 35px;
  padding: 18px 17px;
  box-shadow: 0 5px 14px #00000003;
}
.back-sheet {
  transform: translateX(-45%) rotate(-11deg);
  color: var(--muted);
}
.back-sheet > span {
  font-size: 7px;
  letter-spacing: 1px;
}
.front-sheet {
  transform: translateX(-48%) rotate(6deg);
  transition: transform 0.4s;
}
.feature:hover .front-sheet {
  transform: translateX(-48%) rotate(2deg) translateY(-4px);
}
.tiny-label {
  display: block;
  font-size: 6px;
  letter-spacing: 1.1px;
  color: var(--accent);
}
.reference-sheet strong {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 400;
  display: block;
  margin: 12px 0;
}
.reference-sheet i,
.writing-lines i,
.last-line {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
  margin: 7px 0;
}
.reference-sheet i:nth-of-type(2) {
  width: 76%;
}
.paper-tags {
  display: flex;
  gap: 5px;
  margin-top: 12px;
}
.paper-tags span {
  background: var(--soft);
  color: var(--accent);
  font-size: 7px;
  padding: 3px 9px;
  border-radius: 3px;
}
.reference-bottom {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  margin-top: 11px;
  display: flex;
  justify-content: space-between;
  font-size: 6px;
  color: var(--muted);
}
.art-spark {
  position: absolute;
  right: 26px;
  bottom: 28px;
  color: var(--accent);
  font-size: 29px;
}
.data-art {
  padding: 29px 29px 20px;
  background: linear-gradient(140deg, var(--soft), var(--panel));
}
.chart-top {
  font-size: 10px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}
.chart-plot {
  height: 120px;
  margin-top: 20px;
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 0 6px;
  border-bottom: 1px solid var(--line);
}
.chart-grid {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to top,
    transparent 0,
    transparent 29px,
    var(--line) 30px
  );
}
.bar {
  height: var(--height);
  flex: 1;
  background: rgba(var(--accent-rgb), 0.22);
  border-top: 2px solid rgba(var(--accent-rgb), 0.4);
  z-index: 1;
  border-radius: 2px 2px 0 0;
  transform-origin: bottom;
  transition: transform 0.4s;
  transition-delay: calc(var(--i) * 35ms);
}
.bar:nth-last-child(-n + 2) {
  background: rgba(var(--accent-rgb), 0.52);
  border-color: var(--accent);
}
.feature:hover .bar {
  transform: scaleY(0.92);
}
.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 7px;
  color: var(--muted);
  margin-top: 8px;
}
.chart-disclaimer {
  position: absolute;
  bottom: 9px;
  right: 16px;
  font-size: 6px;
  color: var(--muted);
}
.writing-paper {
  position: absolute;
  width: 222px;
  top: 25px;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  height: 212px;
}
.writing-paper strong {
  font-size: 15px;
  font-family: var(--serif);
  font-weight: 400;
  display: block;
  margin: 12px 0 17px;
}
.writing-lines i {
  height: 3px;
  margin: 9px 0;
}
.writing-lines i:nth-child(2) {
  width: 90%;
}
.writing-lines i:last-child {
  width: 60%;
}
.writing-highlight {
  font-size: 9px;
  color: var(--accent);
  padding: 5px;
  background: rgba(var(--accent-rgb), 0.08);
  margin: 13px 0;
}
.caret {
  display: inline-block;
  height: 10px;
  width: 1px;
  background: var(--accent);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 1.2s steps(2, start) infinite;
}
.last-line {
  width: 70%;
}
.saved-badge {
  position: absolute;
  bottom: 26px;
  right: 17px;
  font-size: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  box-shadow: 0 3px 8px #00000004;
  transform: rotate(2deg);
}
.saved-badge > span {
  color: var(--accent);
  padding-right: 5px;
}
.philosophy {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  padding-top: 65px;
  padding-bottom: 65px;
  position: relative;
  background: radial-gradient(
    ellipse at 50% 48%,
    rgba(var(--accent-rgb), 0.045),
    transparent 62%
  );
}
.philosophy-symbol {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 22px;
  line-height: 1;
}
.philosophy .eyebrow {
  justify-content: center;
  font-size: 8px;
}
.philosophy h2 {
  font-family: var(--serif);
  font-size: 39px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 1px;
  margin: 23px 0;
}
.philosophy-copy {
  font-size: 12px;
  line-height: 2.2;
  color: var(--muted);
}
.principles {
  display: flex;
  gap: 33px;
  justify-content: center;
  margin-top: 30px;
  color: var(--muted);
  font-size: 9px;
}
.founders-section {
  padding-top: 82px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}
.founders-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 36px;
  margin-bottom: 36px;
}
.founders-intro h2 {
  font-size: 35px;
  line-height: 1.5;
  font-weight: 400;
  margin: 14px 0 0;
}
.founders-intro h2 span {
  color: var(--accent);
  font-family: var(--serif);
}
.founders-intro > p {
  color: var(--muted);
  font-size: 12px;
  line-height: 2.2;
  margin-bottom: 8px;
}
.founders-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}
.founder-portrait {
  height: 330px;
  background: var(--soft);
  border-radius: 6px;
  overflow: hidden;
}
.founder-portrait img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 30%;
  filter: saturate(0.65);
  transition:
    filter 0.4s,
    transform 0.6s;
}
.founder:hover img {
  filter: saturate(1);
  transform: scale(1.025);
}
.founder-info {
  padding: 22px 0 0;
}
.founder-info .eyebrow {
  font-size: 8px;
}
.founder-info h3 {
  font-size: 24px;
  font-weight: 400;
  margin: 12px 0;
}
.founder-info h3 span {
  font-family: sans-serif;
  font-size: 10px;
  color: var(--muted);
  margin-left: 13px;
}
.founder-info > p:last-child {
  color: var(--muted);
  font-size: 12px;
  line-height: 2;
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}
.footer-legal a:hover {
  color: var(--accent);
}
.closing {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 70px;
}
.closing h2 {
  font-size: 27px;
  font-weight: 400;
  letter-spacing: -1px;
  margin: 17px 0 0;
}
.closing h2 span {
  color: var(--accent);
  font-family: var(--serif);
}
.closing .eyebrow {
  font-size: 8px;
}
.footer {
  padding-top: 25px;
  padding-bottom: 90px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 23px;
}
.footer .brand {
  font-size: 17px;
  gap: 7px;
}
.footer .brand-icon {
  font-size: 26px;
}
.footer .brand-en {
  font-size: 7px;
  margin-top: 3px;
}
.footer p {
  font-size: 9px;
  color: var(--muted);
}
.footer > span {
  margin-left: auto;
  font-size: 8px;
  color: var(--muted);
}
.design-controls {
  position: relative;
  z-index: 15;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px #00000012;
  padding: 6px 8px 6px 15px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 99px;
  white-space: nowrap;
}
.controls-label {
  font-size: 9px;
  color: var(--muted);
}
.design-controls > div {
  display: flex;
  gap: 2px;
}
.design-controls button {
  border-radius: 99px;
  font-size: 10px;
  padding: 8px 11px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.design-controls button.chosen {
  background: var(--soft);
  color: var(--accent);
}
.swatch {
  height: 8px;
  width: 8px;
  display: inline-block;
  border-radius: 50%;
  border: 1px solid #0000001a;
}
.swatch.dawn {
  background: #d8b577;
}
.swatch.mono {
  background: #707570;
}
.swatch.night {
  background: #465d68;
}
#motion-toggle {
  border-left: 1px solid var(--line);
  border-radius: 0;
  padding: 6px 9px;
  font-size: 12px;
  min-width: 28px;
  justify-content: center;
}
dialog {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: 460px;
  width: calc(100% - 36px);
  padding: 40px;
  box-shadow: 0 30px 100px #00000020;
}
dialog::backdrop {
  background: #20251f66;
  backdrop-filter: blur(6px);
}
.dialog-close {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 25px;
  color: var(--muted);
  width: 34px;
  height: 34px;
}
.dialog-spark {
  font-size: 48px;
  color: var(--accent);
}
dialog h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  margin: 18px 0;
}
dialog > p:not(.eyebrow) {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
}
.dialog-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 11px;
  margin: 24px 0;
  color: var(--muted);
}
.dialog-facts > span:before {
  content: "✓";
  color: var(--accent);
  margin-right: 10px;
}
dialog .primary {
  width: 100%;
  justify-content: space-between;
}
dialog > small {
  display: block;
  font-size: 9px;
  color: var(--muted);
  text-align: center;
  margin-top: 17px;
}
.reveal {
  opacity: 1;
  transform: none;
}
.js-motion .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s,
    transform 0.7s;
}
.js-motion .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
html[data-theme="mono"] {
  --bg: #f8f9f8;
  --surface: #fff;
  --ink: #282d2d;
  --muted: #7e8684;
  --accent: #54645e;
  --accent-rgb: 83, 105, 95;
  --line: #e1e6e3;
  --soft: #eef1ef;
  --panel: #f6f8f6;
  --button: #26352f;
}
.mono .sun,
html[data-theme="mono"] .sun {
  background: radial-gradient(
    circle at 35% 30%,
    #fff 0,
    #e7eeeb 45%,
    #a9bbb2 100%
  );
  box-shadow:
    0 0 60px #b7c5bd30,
    inset -6px -12px 24px #687d6e20;
}
html[data-theme="night"] {
  --bg: #111a21;
  --surface: #19242c;
  --ink: #e5e9e5;
  --muted: #93a3a9;
  --accent: #c4b18c;
  --accent-rgb: 179, 161, 121;
  --line: #2b3840;
  --soft: #23313a;
  --panel: #152129;
  --button: #d6c6a3;
  --on-button: #1f2a30;
  --shadow: 0 28px 90px #00000022;
}
html[data-theme="night"] .sun {
  background: radial-gradient(
    circle at 38% 33%,
    #e0eeed,
    #c3d5d8 35%,
    #708d9a 75%,
    #466473
  );
  box-shadow:
    0 0 55px #95c1d032,
    0 0 120px 45px #77b1c311,
    inset -6px -12px 24px #23485966;
}
html[data-theme="night"] .hero-atmosphere {
  background: radial-gradient(ellipse at 73% 48%, #4e8da11c, transparent 52%);
}
html[data-theme="night"] .header nav {
  color: var(--muted);
}
html.motion-paused *,
html.motion-paused *:before,
html.motion-paused *:after {
  animation-play-state: paused !important;
}
@keyframes sun-breathe {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    filter: brightness(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.045);
    filter: brightness(1.05);
  }
}
@keyframes haze-breathe {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.92);
  }
  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}
@keyframes blink {
  to {
    visibility: hidden;
  }
}
@keyframes document-in {
  from {
    opacity: 0.35;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1500px) {
  .hero-inner {
    padding-top: 100px;
    padding-bottom: 70px;
  }
  .hero {
    min-height: 720px;
  }
}
@media (max-width: 1100px) {
  .header nav {
    display: none;
  }
  .controls-label {
    display: none;
  }
  .header {
    padding: 0 32px;
  }
  .hero-inner {
    padding: 65px 36px 45px;
  }
  .hero-bottom {
    padding: 10px 36px 25px;
  }
  .workbench-body {
    grid-template-columns: 160px 1fr 300px;
  }
  .app-sidebar {
    padding: 20px 10px;
  }
  .conversation-scroll {
    padding: 16px;
  }
  .document-paper {
    margin: 16px 12px;
    padding: 24px 18px;
  }
  .feature-grid {
    gap: 20px;
  }
  .feature-visual {
    height: 220px;
  }
  .solar {
    transform: scale(0.88);
  }
  .hero {
    min-height: 620px;
  }
  .chart-plot {
    gap: 8px;
  }
  .data-art {
    padding: 29px 20px 20px;
  }
}
@media (max-width: 850px) {
  .header nav {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1.2fr 1fr;
  }
  .solar {
    transform: scale(0.75);
    transform-origin: center center;
  }
  .hero-copy {
    position: relative;
    z-index: 2;
  }
  h1 {
    font-size: 64px;
  }
  .hero-description {
    font-size: 13px;
  }
  .hero-note {
    font-size: 9px;
  }
  .app-sidebar {
    display: none;
  }
  .workbench-body {
    grid-template-columns: 1fr 320px;
  }
  .feature-grid {
    gap: 18px;
  }
  .feature-visual {
    height: 195px;
  }
  .reference-sheet {
    width: 158px;
    left: 49%;
    top: 25px;
  }
  .art-spark {
    right: 10px;
    bottom: 10px;
  }
  .writing-paper {
    width: 190px;
    padding: 22px 15px;
  }
  .saved-badge {
    right: 7px;
    font-size: 7px;
  }
  .chart-plot {
    gap: 7px;
    height: 100px;
  }
  .chart-top {
    font-size: 8px;
  }
  .feature h3 {
    font-size: 19px;
  }
  .feature > p {
    font-size: 10px;
  }
  .integrations > div {
    gap: 28px;
  }
  .closing h2 {
    font-size: 23px;
  }
  .closing .button {
    gap: 18px;
  }
}
@media (max-width: 640px) {
  .founders-section {
    padding-top: 48px;
    padding-bottom: 40px;
  }
  .founders-intro {
    display: block;
    margin-bottom: 25px;
  }
  .founders-intro h2 {
    font-size: 30px;
  }
  .founders-intro > p {
    font-size: 11px;
    margin-top: 19px;
  }
  .founders-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .founder-portrait {
    height: 310px;
  }
  .founder-info {
    padding-top: 17px;
  }
  .founder-info h3 {
    font-size: 23px;
  }
  .founder-info > p:last-child {
    font-size: 11px;
  }
  .footer-legal {
    width: 100%;
    margin: 10px 0 0;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 9px;
  }
  html {
    scroll-padding-top: 20px;
  }
  .header {
    height: 126px;
    padding: 14px 20px;
    flex-wrap: wrap;
    gap: 10px;
  }
  .header-actions {
    width: 100%;
    justify-content: flex-end;
    gap: 10px;
  }
  .header .brand {
    font-size: 21px;
  }
  .account-entry {
    position: absolute;
    top: 24px;
    right: 22px;
  }
  .brand-en {
    font-size: 8px;
    letter-spacing: 1.5px;
  }
  .header nav {
    display: none;
  }
  .nav-cta {
    font-size: 10px;
    padding: 9px 12px;
  }
  .nav-cta span {
    margin-left: 10px;
  }
  .hero {
    margin-top: -126px;
    padding-top: 126px;
    min-height: 665px;
  }
  .hero-inner {
    display: block;
    padding: 51px 25px 20px;
  }
  .hero .eyebrow {
    font-size: 8px;
    letter-spacing: 1.6px;
  }
  h1 {
    font-size: 62px;
    letter-spacing: -3px;
    margin-top: 26px;
    margin-bottom: 23px;
    position: relative;
    z-index: 2;
  }
  .hero-description {
    font-size: 12px;
    line-height: 2;
    max-width: 275px;
  }
  .hero-actions {
    gap: 13px;
    margin-top: 27px;
  }
  .button {
    font-size: 11px;
    padding: 0 18px;
    height: 43px;
    gap: 26px;
  }
  .text-button {
    padding: 0 2px;
    gap: 8px;
  }
  .hero-note {
    font-size: 8px;
    letter-spacing: 0;
    margin-top: 23px;
  }
  .solar {
    position: absolute;
    right: -97px;
    top: 16px;
    width: 310px;
    height: 330px;
    transform: scale(0.57);
    transform-origin: center right;
    opacity: 0.55;
    z-index: -1;
  }
  .solar-caption {
    display: none;
  }
  .hero-bottom {
    padding: 65px 25px 24px;
    font-size: 8px;
  }
  .hero-bottom > span:last-child {
    font-size: 6px;
    letter-spacing: 1px;
  }
  .hero-bottom > span:last-child span {
    padding-left: 7px;
  }
  .section-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
  .workspace-section {
    padding-top: 0;
    margin-top: -10px;
  }
  .workspace-caption {
    gap: 8px;
  }
  .workspace-caption h2 {
    font-size: 11px;
  }
  .workspace-caption > span {
    font-size: 7px;
    gap: 4px;
  }
  .workbench-body {
    grid-template-columns: 1fr;
  }
  .app-conversation {
    border-right: 0;
  }
  .app-document {
    border-top: 1px solid var(--line);
  }
  .pane-heading {
    height: 40px;
    font-size: 10px;
  }
  .conversation-scroll {
    padding: 18px 20px 6px;
  }
  .assistant-text {
    font-size: 11px;
    min-height: 40px;
  }
  .user-message {
    font-size: 11px;
    margin-bottom: 20px;
  }
  .assistant-label {
    font-size: 11px;
  }
  .step {
    font-size: 11px;
    padding: 10px;
  }
  .step small {
    font-size: 9px;
  }
  .step-icon {
    width: 28px;
    height: 28px;
  }
  .demo-control {
    font-size: 8px;
    margin: 13px 0 3px;
  }
  .demo-control button {
    font-size: 9px;
  }
  .mock-composer {
    margin: 10px 18px 17px;
  }
  .document-paper {
    margin: 15px;
    min-height: 310px;
    padding: 24px;
  }
  .document-paper h3 {
    font-size: 20px;
  }
  .document-paper p,
  .document-paper ul {
    font-size: 10px;
  }
  .document-paper h4 {
    font-size: 11px;
  }
  .document-paper .paper-eyebrow {
    font-size: 7px;
  }
  .document-paper .paper-subtitle {
    font-size: 9px;
  }
  .document-footer {
    padding: 0 15px 15px;
    font-size: 8px;
  }
  .paper-callout {
    font-size: 9px;
  }
  .paper-table {
    font-size: 9px;
  }
  .window-top {
    font-size: 8px;
    padding: 0 12px;
  }
  .traffic-lights {
    width: 60px;
  }
  .window-right {
    width: 60px;
  }
  .window-right span {
    display: none;
  }
  .integrations {
    padding: 30px 0 34px;
  }
  .integrations > div {
    gap: 17px;
    flex-wrap: wrap;
    margin-top: 18px;
  }
  .integrations > div > span {
    font-size: 12px;
    gap: 5px;
  }
  .integrations > p:first-child {
    font-size: 9px;
  }
  .integrations b {
    font-size: 13px;
  }
  .integration-note {
    font-size: 7px;
  }
  .possibilities {
    padding-top: 53px;
    padding-bottom: 48px;
  }
  .section-intro .eyebrow {
    font-size: 7px;
    letter-spacing: 1.8px;
  }
  .section-intro h2 {
    font-size: 26px;
    letter-spacing: -1px;
  }
  .section-intro > p:last-child {
    font-size: 11px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 37px;
    margin-top: 29px;
  }
  .feature-visual {
    height: 235px;
    margin-bottom: 20px;
  }
  .reference-sheet {
    width: 190px;
    height: 181px;
    top: 31px;
  }
  .reference-sheet strong {
    font-size: 16px;
  }
  .reference-sheet i {
    margin: 10px 0;
  }
  .paper-tags {
    margin-top: 13px;
  }
  .art-spark {
    right: 48px;
    bottom: 23px;
  }
  .feature-number {
    font-size: 8px;
  }
  .feature h3 {
    font-size: 23px;
    margin: 12px 0;
  }
  .feature > p {
    font-size: 12px;
  }
  .feature-link {
    font-size: 11px;
    margin-top: 7px;
  }
  .data-art {
    padding: 30px 38px;
  }
  .chart-top {
    font-size: 11px;
  }
  .chart-plot {
    height: 132px;
    gap: 16px;
    margin-top: 17px;
  }
  .chart-labels {
    font-size: 8px;
  }
  .chart-disclaimer {
    font-size: 7px;
    bottom: 8px;
  }
  .writing-paper {
    width: 235px;
    padding: 26px;
    top: 25px;
    height: 230px;
  }
  .writing-paper strong {
    font-size: 17px;
  }
  .saved-badge {
    right: 29px;
    bottom: 26px;
    font-size: 9px;
    padding: 10px 15px;
  }
  .philosophy {
    margin: 0 20px;
    padding: 47px 0;
  }
  .philosophy h2 {
    font-size: 31px;
    margin: 18px 0;
  }
  .philosophy .eyebrow {
    font-size: 6px;
    letter-spacing: 1.5px;
  }
  .philosophy-copy {
    font-size: 11px;
  }
  .philosophy-symbol {
    font-size: 34px;
  }
  .principles {
    gap: 13px;
    font-size: 8px;
    margin-top: 25px;
  }
  .closing {
    display: block;
    padding-top: 48px;
    padding-bottom: 45px;
  }
  .closing h2 {
    font-size: 25px;
    line-height: 1.7;
    margin-top: 13px;
  }
  .closing h2 span {
    display: block;
  }
  .closing .button {
    margin-top: 23px;
  }
  .closing .eyebrow {
    font-size: 7px;
    letter-spacing: 1.5px;
  }
  .footer {
    margin: 0 20px;
    padding: 24px 0 96px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .footer .brand {
    font-size: 18px;
  }
  .footer p {
    margin-left: auto;
    font-size: 9px;
  }
  .footer > span {
    width: 100%;
    margin: 10px 0 0;
    font-size: 8px;
  }
  .design-controls {
    padding: 4px 6px;
    gap: 6px;
  }
  .design-controls button {
    font-size: 9px;
    padding: 8px 6px;
  }
  .controls-label {
    font-size: 8px;
  }
  dialog {
    padding: 30px;
  }
  dialog h2 {
    font-size: 27px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .js-motion .reveal {
    opacity: 1;
    transform: none;
  }
}