:root {
  --forest: #242428;
  --paper: #ffffff;
  --lime: #f1f1f3;
  --ink: #242428;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  outline-offset: 5px;
}
a:hover {
  text-decoration: none;
  opacity: 0.86;
}
button {
  cursor: pointer;
}
.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 10;
  background: #fff;
  padding: 12px;
}
.skip:focus {
  top: 8px;
}
.site-header {
  height: 102px;
  border-bottom: 1px solid #d9d9d9;
  margin: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 39px;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
}
.brand span {
  display: block;
  font-size: 10px;
  letter-spacing: 1px;
  font-weight: 400;
  margin-top: 12px;
}
nav {
  display: flex;
  gap: 30px;
  align-items: center;
  font-size: 14px;
}
.button {
  background: var(--forest);
  color: #fff;
  border: 0;
  border-radius: 4px;
  padding: 16px 23px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  font-weight: 500;
  line-height: 1.5;
}
.button span {
  font-size: 23px;
  line-height: 1;
}
.button.compact {
  padding: 11px 17px;
  gap: 28px;
}
.button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  padding: 10px 0;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 600;
  line-height: 1.5;
  color: #6a6a6a;
  margin: 0 0 28px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(36px, 4.4vw, 68px);
  letter-spacing: -2.5px;
  line-height: 1.26;
  font-weight: 600;
  margin-bottom: 30px;
}
h2 {
  font-weight: 550;
  line-height: 1.4;
  letter-spacing: -1px;
}
h3 {
  font-weight: 550;
}
.hero {
  padding: 65px 5% 76px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 5%;
  max-width: 1600px;
  margin: auto;
}
.hero-copy {
  padding-top: 44px;
}
.intro {
  font-size: 18px;
  color: #686868;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}
.fine {
  font-size: 12px;
  color: #717171;
  margin: 18px 0;
}
.hero-caption {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 12px;
  line-height: 1.8;
  color: #777777;
  margin-top: 72px;
}
.small-line {
  width: 35px;
  height: 1px;
  background: #8f8f8f;
}
.hero-art {
  margin: 0;
  position: relative;
  border-radius: 90px 8px 8px 8px;
  background: #142528;
  overflow: hidden;
  min-height: 560px;
}
.hero-art > img {
  width: 100%;
  height: 100%;
  position: absolute;
  object-fit: cover;
}
.hero-art:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 60%, #0b151cbb);
}
figcaption {
  position: absolute;
  bottom: 32px;
  left: 30px;
  z-index: 1;
  color: white;
  display: grid;
  gap: 10px;
}
figcaption span {
  font-size: 10px;
  letter-spacing: 2px;
}
figcaption strong {
  font-size: 17px;
  font-weight: 400;
}
.art-stamp {
  position: absolute;
  top: 22px;
  right: 22px;
  color: #e3e3e3;
  border: 1px solid #e3e3e380;
  border-radius: 50%;
  width: 68px;
  height: 68px;
  display: grid;
  place-content: center;
  text-align: center;
  line-height: 1.3;
  font-size: 10px;
  letter-spacing: 2px;
}
.manifesto {
  border-top: 1px solid #d9d9d9;
  border-bottom: 1px solid #d9d9d9;
  padding: 60px 5%;
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
  gap: 5%;
  align-items: start;
}
.manifesto h2 {
  font-size: 32px;
  margin: 0;
}
.manifesto > p:last-child {
  color: #6e6e6e;
  line-height: 1.95;
}
.features {
  padding: 64px 5% 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5%;
}
.features article + article {
  border-left: 1px solid #d9d9d9;
  padding-left: 14%;
}
.features article > span {
  font-size: 10px;
  letter-spacing: 2px;
  color: #6d6d6d;
}
.features h3 {
  font-size: 23px;
  margin: 25px 0 15px;
}
.features p {
  font-size: 14px;
  color: #686868;
  line-height: 1.95;
}
.closing {
  margin: 0 5%;
  padding: 45px 50px;
  background: var(--lime);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 6px;
  gap: 25px;
}
.closing .eyebrow {
  margin-bottom: 14px;
}
.closing h2 {
  font-size: 34px;
  margin: 0;
}
.scope-note {
  font-size: 12px;
  text-align: center;
  color: #767676;
  padding: 22px 5% 0;
}
.site-footer {
  margin: 65px 5% 0;
  padding: 40px 0;
  border-top: 1px solid #d9d9d9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.site-footer .brand {
  font-size: 30px;
}
.site-footer > div {
  display: flex;
  gap: 24px;
  font-size: 12px;
  color: #717171;
}
.page-heading {
  max-width: 1150px;
  margin: 70px auto 45px;
  padding: 0 24px;
}
.page-heading h1 {
  font-size: 50px;
}
.page-heading > p:last-child {
  max-width: 630px;
  color: #696969;
}
.pricing-grid {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.plan {
  padding: 38px;
  background: white;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
}
.plan.featured {
  background: #ececec;
  border-color: #858585;
}
.plan h2 {
  font-size: 32px;
}
.price {
  font-size: 52px;
  letter-spacing: -2px;
}
.price small {
  font-size: 13px;
  letter-spacing: 0;
  color: #717171;
  margin-left: 14px;
}
.plan > p {
  color: #666666;
}
.plan ul {
  padding: 18px 0 24px;
  list-style: none;
  font-size: 14px;
  line-height: 2.6;
}
.plan li:before {
  content: "✓";
  margin-right: 14px;
}
.plan .button {
  width: 100%;
}
.prose {
  max-width: 820px;
  margin: 60px auto;
  padding: 0 26px;
}
.prose h1 {
  font-size: 43px;
}
.prose h2 {
  margin: 42px 0 14px;
  font-size: 25px;
}
.prose p {
  color: #696969;
  line-height: 1.95;
}
.prose .lead {
  font-size: 20px;
}
.guide {
  margin-top: 80px;
  min-height: 55vh;
}
.faq {
  max-width: 1102px;
}
.faq details {
  border-top: 1px solid #d8d8d8;
  padding: 20px 0;
}
.faq summary {
  font-weight: 500;
  cursor: pointer;
}
.faq details p {
  margin: 16px 0 0;
}
.auth-layout {
  max-width: 1100px;
  margin: 85px auto 100px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 10%;
  padding: 0 30px;
  align-items: start;
  min-height: 52vh;
}
.auth-layout h1 {
  font-size: 45px;
  margin-top: 20px;
}
.auth-layout > div > p:not(.eyebrow) {
  color: #6f6f6f;
  line-height: 2;
}
.auth-card {
  background: #fff;
  border: 1px solid #d8d8d8;
  border-radius: 8px;
  padding: 32px;
}
.auth-card h2 {
  font-size: 24px;
  margin-bottom: 24px;
}
.auth-card label {
  display: block;
  font-size: 14px;
  margin: 0 0 20px;
}
.auth-card input {
  width: 100%;
  margin-top: 8px;
  padding: 12px;
  border: 1px solid #cecece;
  border-radius: 4px;
  background: #fbfbfb;
}
.auth-card small {
  font-size: 11px;
  color: #7d7d7d;
}
.auth-card .button {
  width: 100%;
  margin-top: 6px;
}
.auth-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  border-top: 1px solid #e1e1e1;
  padding-top: 20px;
}
.form-status {
  font-size: 13px;
  margin: 16px 0;
  color: #454545;
  overflow-wrap: anywhere;
}
.form-status.error {
  color: #a13b2b;
}
@media (max-width: 800px) {
  .site-header {
    height: 86px;
  }
  nav {
    gap: 15px;
  }
  nav > a:first-child {
    display: none;
  }
  .brand span {
    font-size: 8px;
    letter-spacing: 0;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 30px;
  }
  .hero-copy {
    padding-top: 15px;
  }
  .hero-caption {
    margin-top: 30px;
  }
  .hero-art {
    min-height: 430px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero-actions {
    gap: 20px;
  }
  .manifesto {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 35px;
    padding-bottom: 30px;
  }
  .manifesto .eyebrow {
    margin: 0;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 35px;
    padding-bottom: 35px;
  }
  .features article + article {
    border-left: 0;
    border-top: 1px solid #d9d9d9;
    padding: 28px 0 0;
  }
  .features h3 {
    margin-top: 14px;
  }
  .closing {
    padding: 30px;
    display: block;
  }
  .closing h2 {
    font-size: 28px;
    margin-bottom: 20px;
  }
  .site-footer {
    align-items: start;
    gap: 25px;
  }
  .site-footer > div {
    display: grid;
    gap: 10px;
  }
  .page-heading h1 {
    font-size: 36px;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .page-heading {
    margin-top: 45px;
  }
  .auth-layout {
    grid-template-columns: 1fr;
    gap: 25px;
    margin: 35px auto 50px;
    padding: 0 22px;
  }
  .auth-layout h1 {
    font-size: 32px;
  }
  .auth-layout > div > .eyebrow {
    margin-bottom: 15px;
  }
  .auth-layout > div > .text-link {
    display: none;
  }
  .auth-card {
    padding: 25px;
  }
  .prose h1 {
    font-size: 33px;
  }
  .guide {
    margin-top: 45px;
  }
}
@media (max-width: 420px) {
  nav {
    gap: 10px;
    font-size: 12px;
  }
  .button.compact {
    gap: 12px;
    padding: 10px;
  }
  .nav-login {
    display: none;
  }
  .hero-actions {
    display: grid;
    justify-content: start;
    gap: 8px;
  }
  .hero-art {
    min-height: 380px;
  }
  .hero h1 {
    font-size: 39px;
  }
  .site-header {
    margin: 0 5%;
  }
  .brand {
    font-size: 33px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Keep interface copy readable and task focused. */
.site-header .brand span,
.site-footer .brand span {
  display: none;
}
.auth-layout h1,
.page-heading h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
}
.auth-card label small,
.fine,
.form-status,
.text-link {
  font-size: 14px;
  line-height: 1.6;
}

/* Google sign-in: a focused dialog within the character workspace. */
.auth-page {
  overflow: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.google-auth {
  min-height: 100dvh;
}
.auth-workspace {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: 220px minmax(280px, 0.85fr) minmax(380px, 1.5fr);
  background: #fff;
  color: #67676d;
  user-select: none;
}
.auth-sidebar {
  position: relative;
  padding: 32px 24px;
  border-right: 1px solid #e8e8eb;
  background: #fafafa;
}
.auth-wordmark {
  display: block;
  color: #242428;
  font-size: 27px;
  line-height: 1;
  letter-spacing: -1.9px;
  font-weight: 500;
}
.auth-sidebar .auth-wordmark {
  margin-bottom: 52px;
}
.auth-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  font-size: 14px;
}
.auth-nav-item > span {
  font-size: 22px;
  line-height: 1;
}
.auth-sidebar-account {
  position: absolute;
  bottom: 32px;
  font-size: 14px;
}
.auth-conversation {
  position: relative;
  border-right: 1px solid #e8e8eb;
}
.auth-panel-heading {
  height: 82px;
  padding: 30px 28px;
  border-bottom: 1px solid #e8e8eb;
  font-size: 14px;
}
.auth-conversation-lines {
  padding: 70px 32px;
}
.auth-conversation-lines span {
  display: block;
  width: 70%;
  height: 10px;
  margin-bottom: 15px;
  border-radius: 5px;
  background: #f0f0f2;
}
.auth-conversation-lines span:nth-child(2) {
  width: 92%;
}
.auth-conversation-lines span:nth-child(3) {
  width: 48%;
}
.auth-composer {
  position: absolute;
  inset: auto 24px 28px;
  height: 148px;
  border: 1px solid #e2e2e6;
  border-radius: 18px;
  padding: 22px;
  font-size: 14px;
  color: #8c8c93;
}
.auth-composer > span {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  font-size: 22px;
}
.auth-canvas {
  overflow: hidden;
  background: #f7f7f8;
}
.auth-preview-images {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 18px;
  height: calc(100dvh - 142px);
  padding: 28px;
}
.auth-preview-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  min-height: 0;
}
.auth-preview-images img:first-child {
  grid-row: 1 / 3;
}
.auth-shade {
  position: fixed;
  inset: 0;
  background: rgba(244, 244, 246, 0.52);
  backdrop-filter: blur(5px);
}
.google-auth-card {
  position: fixed;
  inset: 0;
  width: min(416px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  margin: auto;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  background: #fff;
  color: #242428;
  text-align: left;
  box-shadow:
    0 24px 90px rgba(24, 24, 32, 0.14),
    0 2px 10px rgba(24, 24, 32, 0.05);
}
.google-auth-card::backdrop {
  background: rgba(34, 34, 40, 0.08);
}
.auth-dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
}
.auth-close {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin: -6px -8px -6px 0;
  border-radius: 8px;
  color: #85858d;
}
.auth-close:hover {
  background: #f3f3f5;
  color: #242428;
  opacity: 1;
}
.google-auth-card h1 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.25;
  font-weight: 550;
  letter-spacing: -0.7px;
}
.google-auth-card > p {
  margin: 0;
  font-size: 14px;
  color: #777780;
}
.google-sign-in {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  margin: 28px 0 0;
  padding: 12px 16px;
  border: 1px solid #dadce0;
  border-radius: 10px;
  background: #fff;
  color: #1f1f1f;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 120ms,
    border-color 120ms;
}
.google-sign-in img {
  flex-shrink: 0;
}
.google-sign-in:hover {
  background: #f8f9fa;
  border-color: #b9bdc4;
}
.google-sign-in:disabled {
  opacity: 0.65;
  cursor: wait;
}
.auth-page :focus-visible {
  outline: 2px solid #8a8a92;
  outline-offset: 3px;
}
.google-sign-in:focus:not(:focus-visible) {
  outline: none;
}
.google-auth-card #login-status {
  margin-top: 16px;
  color: #a14337;
  font-size: 14px;
  overflow-wrap: anywhere;
}
#login-status:empty {
  display: none;
}
.google-auth-card .auth-terms {
  margin-top: 24px;
  font-size: 13px;
  line-height: 1.65;
  color: #85858c;
}
.auth-terms a {
  color: #5b5b63;
  text-decoration: underline;
  text-decoration-color: #ccc;
  text-underline-offset: 3px;
}
@media (max-width: 760px) {
  .auth-workspace {
    grid-template-columns: 160px 1fr;
  }
  .auth-canvas {
    display: none;
  }
  .auth-sidebar {
    padding: 28px 18px;
  }
}
@media (max-width: 480px) {
  .google-auth-card {
    padding: 28px 24px;
    border-radius: 18px;
  }
  .auth-workspace {
    grid-template-columns: 112px 1fr;
  }
  .auth-sidebar {
    padding: 28px 14px;
  }
  .auth-nav-item {
    font-size: 12px;
    gap: 8px;
  }
  .auth-panel-heading {
    padding: 30px 20px;
  }
  .auth-composer {
    inset: auto 16px 24px;
    padding: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .google-sign-in {
    transition: none;
  }
}