@font-face {
  font-family: Inter;
  src: url("/assets/inter-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("/assets/inter-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("/assets/inter-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("/assets/inter-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("/assets/source-serif-4.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}
:root {
  --ink: #001122;
  --body: #666;
  --muted: #888;
  --paper: #f5f0e8;
  --dark: #222;
  --line: #e5e5e5;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fff;
  font-size: 16px;
  line-height: 1.6;
}
body:has(dialog[open]) {
  overflow: hidden;
}
h1,
h2,
h3,
p,
figure,
blockquote {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.2;
}
h1 {
  font:
    600 72px/1.2 "Source Serif 4",
    Georgia,
    serif;
  letter-spacing: -4px;
}
h2 {
  font-size: 40px;
  letter-spacing: -1.4px;
}
h3 {
  font-size: 24px;
  letter-spacing: -0.6px;
}
p {
  color: var(--body);
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button {
  font: inherit;
  cursor: pointer;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #7750c2;
  outline-offset: 5px;
}
button:disabled {
  cursor: default;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
video {
  max-width: 100%;
  display: block;
}
iframe {
  border: 0;
}
a:hover {
  color: #60523e;
}
[hidden] {
  display: none !important;
}
.container {
  width: min(1000px, calc(100% - 64px));
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  background: white;
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: none;
}
.site-header {
  height: 64px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 24px;
  background: #fff;
  position: relative;
  z-index: 10;
}
.logo {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
}
.logo img {
  width: 104px;
  height: auto;
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 24px;
}
.site-header nav a {
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  color: #333;
  white-space: nowrap;
}
.site-header nav a:hover,
.site-header nav a[aria-current] {
  text-decoration: underline;
}
.nav-primary,
.nav-account {
  display: flex;
  gap: 20px;
  align-items: center;
}
.home .site-header nav {
  justify-content: flex-end;
}
.menu-toggle {
  display: none;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 15px;
  border: 0;
  border-radius: 9px;
  background: #222;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  min-height: 38px;
  box-shadow:
    0 14px 20px -13px #0008,
    0 2px 3px #0002;
  transition:
    background 0.15s,
    transform 0.15s;
}
.button:hover {
  color: #fff;
  background: #454039;
  transform: translateY(-1px);
}
.button-light {
  background: #f1f1f1;
  color: #222;
  box-shadow: none;
}
.button-light:hover {
  color: #222;
  background: #e3dfd9;
}
.actions {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
}
.stacked {
  flex-direction: column;
  gap: 24px;
}
.hero-subtitle {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: -0.8px;
}
.home-hero {
  min-height: calc(100svh - 186px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 70px 24px 90px;
  gap: 50px;
}
.home-hero .actions {
  gap: 24px;
}
.home-hero .button:first-child {
  background: linear-gradient(#42ad3d, #249608);
}
.home-hero .button:first-child:hover {
  background: #237d15;
}
.educator-hero {
  text-align: center;
  padding: 110px 32px 120px;
}
.educator-hero h1 {
  max-width: 1200px;
  margin: 0 auto 64px;
}
.educator-hero .hero-subtitle {
  margin-bottom: 28px;
}
.educator-hero .stacked {
  gap: 20px;
}
.educator-hero .button {
  min-height: 40px;
}
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 80px;
}
.quote-card {
  padding: 30px;
  border-radius: 24px;
  box-shadow:
    0 12px 25px #0001,
    0 0 3px #0001;
}
.quote-person {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 30px;
}
.quote-person img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}
.quote-person h3 {
  font:
    600 20px/1.3 "Source Serif 4",
    Georgia,
    serif;
  letter-spacing: -0.5px;
}
.quote-card p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 18px;
}
.quote-card p:last-child {
  margin-bottom: 0;
}
.benefit {
  background: #f5f0e8;
  padding: 80px 0;
}
.benefit:nth-child(2) {
  background: #e8dfd4;
}
.benefit:nth-child(3) {
  background: #f7f4ef;
}
.benefit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.benefit-inner h2 {
  font-size: 44px;
  margin-bottom: 24px;
}
.benefit-inner p {
  font-size: 24px;
  line-height: 1.5;
  letter-spacing: -0.7px;
}
.benefit-inner > img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  border-radius: 24px;
}
.reverse .benefit-inner > img {
  grid-column: 1;
  grid-row: 1;
}
.reverse .benefit-inner > div {
  grid-column: 2;
  grid-row: 1;
}
.cta {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
}
.cta h2 {
  font:
    600 64px/1.2 "Source Serif 4",
    Georgia,
    serif;
  letter-spacing: -3px;
  margin-bottom: 30px;
}
.cta p {
  font-size: 24px;
  line-height: 1.5;
  max-width: 620px;
  margin: 0 auto 36px;
  letter-spacing: -0.7px;
}
.features {
  padding-block: 70px;
}
.features > h2,
.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 48px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 50px 40px;
}
.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.feature-card > img {
  width: 100%;
  aspect-ratio: 379/284;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 24px;
  color: #333;
  margin-bottom: 16px;
}
.feature-card p {
  font-size: 18px;
  line-height: 1.7;
  color: #888;
  margin-bottom: 20px;
}
.feature-link {
  font-size: 18px;
  color: #777;
  font-weight: 600;
  text-decoration: none;
  margin-top: auto;
}
.feature-link:hover {
  text-decoration: underline;
}
dialog {
  border: 0;
  border-radius: 28px;
  padding: 40px;
  width: min(1020px, calc(100% - 48px));
  max-height: calc(100svh - 48px);
  color: #333;
  box-shadow: 0 24px 80px #0002;
}
dialog::backdrop {
  background: #0003;
  backdrop-filter: blur(2px);
}
dialog:target:not([open]) {
  display: block;
  position: relative;
  margin: 40px auto;
}
dialog > h2 {
  font:
    600 34px/1.2 "Source Serif 4",
    Georgia,
    serif;
  letter-spacing: -0.5px;
  margin: 0 30px 30px 0;
}
.dialog-close {
  position: absolute;
  right: 16px;
  top: 12px;
  border: 0;
  background: #f0efec;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 26px;
  line-height: 1;
}
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}
.feature-detail p {
  font-size: 18px;
  line-height: 1.5;
  color: #333;
  margin-bottom: 22px;
}
.feature-detail img,
.feature-detail video {
  width: 100%;
  border-radius: 6px;
  border: 1px solid #ddd;
}
.feature-detail video {
  min-height: 220px;
  background: #f7f7f7;
}
figcaption {
  color: #888;
  font-size: 16px;
  text-align: center;
  margin-top: 12px;
}
.media-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
  min-height: 240px;
  padding: 32px;
  border: 1px dashed #c3b9aa;
  border-radius: 12px;
  background: #f6f2ec;
  color: #645944;
}
.media-placeholder strong {
  font-size: 20px;
}
.media-placeholder p {
  font-size: 15px;
  max-width: 34em;
  color: #706858;
}
.placeholder-symbol {
  font-size: 36px;
  line-height: 1;
}
.faq {
  padding-block: 70px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}
.faq > h2 {
  font-size: 48px;
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  list-style: none;
  position: relative;
  padding: 22px 0 22px 30px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.5px;
  line-height: 1.4;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:before {
  content: "+";
  position: absolute;
  left: 0;
  top: 18px;
  font-size: 23px;
  font-weight: 400;
  color: #999;
}
.faq details[open] summary:before {
  content: "−";
}
.faq-answer {
  padding: 0 0 24px 30px;
}
.faq-answer p {
  font-size: 16px;
  margin-bottom: 18px;
}
.faq-answer p:last-child {
  margin-bottom: 0;
}
.pricing {
  padding-top: 125px;
}
.pricing h1 {
  text-align: center;
  width: min(1200px, calc(100vw - 64px));
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 40px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 20px;
}
.price-card {
  padding: 30px;
  border-radius: 24px;
  box-shadow:
    0 10px 25px #0001,
    0 0 3px #0001;
  display: flex;
  flex-direction: column;
  color: #666;
}
.price-card h2 {
  font-size: 15px;
  letter-spacing: 0;
  font-weight: 600;
  line-height: 1.5;
}
.price {
  margin: 26px 0;
  white-space: nowrap;
  min-height: 90px;
}
.price strong {
  font-size: 56px;
  color: #333;
  letter-spacing: -3px;
  line-height: 1.1;
  font-weight: 600;
}
.price > span {
  font-size: 15px;
  font-weight: 600;
}
.price .price-from {
  display: block;
  margin-bottom: 4px;
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 40px;
}
.price-card li {
  position: relative;
  padding-left: 34px;
  margin-bottom: 15px;
  line-height: 1.5;
  font-size: 15px;
  font-weight: 500;
}
.price-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  background: #333;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  text-align: center;
  font-size: 14px;
  color: white;
}
.price-card > .button {
  margin-top: auto;
  width: 100%;
}
.guarantee {
  text-align: center;
  padding-block: 100px;
}
.guarantee h2 {
  font:
    600 64px/1.2 "Source Serif 4",
    Georgia,
    serif;
  letter-spacing: -3px;
  margin-bottom: 32px;
}
.guarantee p {
  font-size: 24px;
  line-height: 1.5;
  max-width: 750px;
  margin: 0 auto 30px;
}
.story-heading {
  text-align: center;
  padding-block: 40px 60px;
}
.story-heading p {
  font-size: 36px;
  line-height: 1.25;
  color: #49413f;
  letter-spacing: -0.5px;
  margin-top: 12px;
  width: min(1100px, calc(100vw - 64px));
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}
.story-paper {
  background: #e5dbd0;
  padding: 140px 32px;
}
.letter {
  max-width: 1000px;
  margin: auto;
  padding: 35px;
  background: #f9f6f1;
  box-shadow: 0 2px 6px #0001;
  font:
    400 27px/1.6 "Source Serif 4",
    Georgia,
    serif;
}
.letter p {
  color: #514b44;
  margin-bottom: 35px;
}
.letter p:last-child {
  margin-bottom: 0;
}
.letter figure {
  float: right;
  width: 40%;
  margin: 0 0 25px 35px;
}
.letter figure img {
  width: 100%;
}
.signature {
  width: 220px;
  margin-bottom: 20px;
  mix-blend-mode: multiply;
}
.letter:after {
  content: "";
  display: block;
  clear: both;
}
.demo-page {
  max-width: 900px;
  padding-block: 50px 20px;
}
.demo-page > h1 {
  margin-bottom: 100px;
}
.demo-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 90px;
}
.demo-intro h2 {
  font-size: 24px;
  margin-bottom: 30px;
  letter-spacing: -0.7px;
}
.demo-intro p {
  font-size: 16px;
  line-height: 1.6;
}
.demo-preview {
  border: 1px solid #ddd;
  border-radius: 14px;
  overflow: hidden;
}
.beta-note {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 14px 20px;
  background: #f2eefb;
  border-bottom: 1px solid #e4dced;
}
.beta-note > span {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  background: #7453a6;
  color: #fff;
  border-radius: 5px;
  padding: 3px 8px;
}
.beta-note p {
  font-size: 13px;
  color: #665477;
}
.demo-launch {
  background: #faf8f5;
  text-align: center;
  padding: 32px;
}
.demo-launch .media-placeholder {
  border: 0;
  background: transparent;
  min-height: 230px;
}
.demo-launch .button {
  margin: 0 auto 25px;
  background: #70519c;
}
.demo-preview iframe {
  display: block;
  width: 100%;
  height: 580px;
  background: #f4f2fb;
}
.demo-signup {
  padding-block: 80px;
  text-align: center;
}
.demo-signup h2 {
  font-size: 36px;
  margin-bottom: 30px;
}
.landing-hero {
  text-align: center;
  padding: 100px 24px;
  min-height: 1131px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 50px;
}
.landing-hero > .logo img {
  width: 347px;
}
.landing-hero h1 {
  font:
    700 72px/1.2 Inter,
    Arial,
    sans-serif;
  letter-spacing: -4px;
}
.landing-hero .hero-subtitle {
  font-size: 30px;
  line-height: 1.5;
}
.landing-intro {
  padding-block: 70px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.landing-intro p {
  font-size: 22px;
  margin-bottom: 24px;
}
.landing-intro img {
  border-radius: 16px;
}
.landing-narrative {
  padding-block: 50px;
}
.landing-narrative > div {
  margin-bottom: 65px;
  font-size: 24px;
  line-height: 1.6;
}
.landing-narrative p {
  margin-bottom: 28px;
}
.landing-learning {
  text-align: center;
  padding-block: 60px;
}
.landing-learning h2 {
  font-size: 48px;
  margin-bottom: 30px;
}
.landing-learning p {
  font-size: 24px;
  margin-bottom: 35px;
}
.landing-learning .media-placeholder {
  min-height: 380px;
  margin-top: 35px;
}
.tasks {
  padding-block: 60px;
}
.tasks > h2 {
  text-align: center;
  font-size: 48px;
  margin-bottom: 30px;
}
.tasks > p {
  text-align: center;
  font-size: 24px;
  max-width: 750px;
  margin: 0 auto 30px;
}
.tasks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 50px;
}
.tasks-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: #f6f5f2;
  border-radius: 12px;
  margin-bottom: 24px;
}
.tasks-grid h3 {
  margin-bottom: 20px;
}
.tasks-grid p {
  font-size: 20px;
}
.site-footer {
  padding: 46px 100px 46px 50px;
  background: #222;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  color: #fff;
  min-height: 122px;
}
.site-footer p {
  font-size: 15px;
  color: #ddd;
}
.site-footer nav {
  display: flex;
  gap: 20px;
}
.site-footer a {
  font-size: 15px;
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
  color: #fff;
}
.support {
  position: fixed;
  right: 24px;
  bottom: 20px;
  z-index: 15;
}
.support > summary {
  list-style: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #776a52;
  color: #fff;
  width: 48px;
  height: 48px;
  font-size: 25px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 10px #0002;
}
.support > summary::-webkit-details-marker {
  display: none;
}
.support-panel {
  position: absolute;
  bottom: 62px;
  right: 0;
  width: min(310px, calc(100vw - 32px));
  padding: 24px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 14px;
  box-shadow: 0 10px 40px #0002;
  font-size: 14px;
}
.support-panel p {
  margin: 12px 0;
}
.support-panel a {
  color: #6a4a86;
  font-size: 13px;
}
.support-panel button:disabled {
  opacity: 0.6;
}
/* Keep requested support usable without first deciding on optional analytics. */
@media (min-width: 810px) {
  body:has(.analytics-banner:not([hidden])) .support {
    bottom: 116px;
  }
}
@media (max-width: 809px) {
  body:has(.analytics-banner:not([hidden])) {
    padding-bottom: 140px;
  }
}
.not-found {
  text-align: center;
  padding-block: 130px;
}
.not-found p {
  margin: 30px 0;
}
@media (min-width: 1600px) {
  .container {
    width: min(1200px, calc(100% - 100px));
  }
  .educator-hero h1 {
    max-width: 1400px;
  }
  .benefit-inner {
    gap: 90px;
  }
}
@media (max-width: 1199px) and (min-width: 810px) {
  h1 {
    font-size: 64px;
  }
  .container {
    width: calc(100% - 64px);
  }
  .price-card {
    padding: 24px;
  }
  .price strong {
    font-size: 46px;
  }
  .quote-card {
    padding: 22px;
  }
  .quote-person {
    gap: 10px;
  }
  .quote-person h3 {
    font-size: 18px;
  }
  .feature-grid {
    gap: 40px 24px;
  }
  .benefit-inner {
    gap: 40px;
  }
}
@media (max-width: 809px) {
  h1 {
    font-size: 60px;
    letter-spacing: -3px;
  }
  h2 {
    font-size: 34px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .desktop-break {
    display: none;
  }
  .site-header {
    height: 70px;
    padding: 15px 20px;
    justify-content: space-between;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    width: 44px;
    height: 40px;
    background: transparent;
    border: 0;
    padding: 10px;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #999;
    transition: transform 0.15s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-5px) rotate(-45deg);
  }
  .site-header nav {
    display: none;
    position: absolute;
    top: 69px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 15px 25px #0001;
    align-items: stretch;
  }
  .site-header nav.is-open {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  .nav-primary,
  .nav-account {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }
  .site-header nav a {
    font-size: 18px;
    padding: 4px;
  }
  .nav-account {
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
  .hero-subtitle {
    font-size: 24px;
    letter-spacing: -0.8px;
  }
  .home-hero {
    padding: 70px 24px 90px;
    min-height: calc(100svh - 220px);
    gap: 38px;
  }
  .home-hero h1 {
    max-width: 550px;
  }
  .home-hero .button {
    max-width: 100%;
    font-size: 14px;
  }
  .educator-hero {
    padding: 55px 28px 80px;
  }
  .educator-hero h1 {
    max-width: 620px;
    margin-bottom: 48px;
    line-height: 1.2;
  }
  .educator-hero .hero-subtitle {
    max-width: 550px;
    margin: 0 auto 25px;
  }
  .testimonials {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 580px;
    margin-bottom: 60px;
  }
  .quote-card {
    padding: 30px;
  }
  .quote-person {
    margin-bottom: 25px;
  }
  .quote-person h3 {
    font-size: 24px;
  }
  .quote-card p {
    font-size: 18px;
  }
  .benefit {
    padding: 55px 0;
  }
  .benefit-inner {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .benefit-inner h2 {
    font-size: 36px;
  }
  .benefit-inner p {
    font-size: 22px;
  }
  .benefit-inner > img {
    max-height: 420px;
  }
  .reverse .benefit-inner > img,
  .reverse .benefit-inner > div {
    grid-column: auto;
    grid-row: auto;
  }
  .cta {
    padding: 65px 20px;
  }
  .cta h2 {
    font-size: 48px;
    letter-spacing: -2px;
  }
  .cta p {
    font-size: 22px;
  }
  .cta .actions {
    gap: 16px;
  }
  .features {
    padding-block: 50px;
  }
  .features > h2,
  .section-title {
    font-size: 40px;
    margin-bottom: 35px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px 22px;
  }
  .feature-card h3 {
    font-size: 23px;
  }
  .feature-card p {
    font-size: 17px;
  }
  .feature-link {
    font-size: 16px;
  }
  dialog {
    padding: 30px 24px;
    width: calc(100% - 24px);
    max-height: calc(100svh - 24px);
    border-radius: 18px;
  }
  dialog > h2 {
    font-size: 28px;
    margin-bottom: 24px;
  }
  .feature-detail {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .feature-detail p {
    font-size: 17px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-block: 50px;
  }
  .faq > h2 {
    font-size: 42px;
  }
  .faq summary {
    font-size: 18px;
    padding-block: 20px;
  }
  .pricing {
    padding-top: 65px;
  }
  .pricing h1 {
    font-size: 52px;
    width: 100%;
    margin-bottom: 40px;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: auto;
    gap: 26px;
  }
  .price-card {
    padding: 30px;
  }
  .price-card h2 {
    font-size: 20px;
  }
  .price {
    min-height: auto;
  }
  .price strong {
    font-size: 60px;
  }
  .price-card li {
    font-size: 17px;
    margin-bottom: 18px;
  }
  .price-card ul {
    margin: 10px 0 25px;
  }
  .guarantee {
    padding-block: 65px;
  }
  .guarantee h2 {
    font-size: 48px;
    letter-spacing: -2px;
  }
  .guarantee p {
    font-size: 22px;
  }
  .story-heading {
    padding-block: 45px;
  }
  .story-heading p {
    width: 100%;
    font-size: 26px;
    line-height: 1.4;
    margin-top: 20px;
  }
  .story-paper {
    padding: 40px 15px;
  }
  .letter {
    padding: 25px;
    font-size: 22px;
    line-height: 1.5;
  }
  .letter p {
    margin-bottom: 28px;
  }
  .letter figure {
    float: none;
    width: 100%;
    margin: 0 0 25px;
  }
  .letter figure img {
    max-width: 400px;
    margin: auto;
  }
  .demo-page {
    padding-top: 50px;
  }
  .demo-page > h1 {
    font-size: 52px;
    margin-bottom: 50px;
  }
  .demo-intro {
    grid-template-columns: 1fr;
    gap: 35px;
    margin-bottom: 40px;
  }
  .demo-intro h2 {
    margin-bottom: 18px;
  }
  .demo-intro p {
    font-size: 17px;
  }
  .beta-note {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding: 14px;
  }
  .beta-note p {
    font-size: 12px;
  }
  .demo-launch {
    padding: 15px;
  }
  .demo-launch .media-placeholder {
    padding: 15px;
    min-height: 240px;
  }
  .demo-preview iframe {
    height: 400px;
  }
  .demo-signup {
    padding-block: 60px;
  }
  .demo-signup h2 {
    font-size: 32px;
  }
  .landing-hero {
    padding: 80px 24px;
    min-height: 100svh;
    gap: 40px;
  }
  .landing-hero > .logo img {
    width: 230px;
  }
  .landing-hero h1 {
    font-size: 58px;
    letter-spacing: -3px;
  }
  .landing-hero .hero-subtitle {
    font-size: 24px;
  }
  .landing-intro {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 40px;
  }
  .landing-narrative {
    padding-block: 35px;
  }
  .landing-narrative > div {
    font-size: 21px;
    margin-bottom: 45px;
  }
  .landing-learning h2,
  .tasks > h2 {
    font-size: 36px;
  }
  .landing-learning p,
  .tasks > p {
    font-size: 22px;
  }
  .landing-learning .media-placeholder {
    min-height: 260px;
  }
  .tasks-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .site-footer {
    padding: 40px 24px;
    flex-direction: column;
    gap: 22px;
    text-align: center;
  }
  .site-footer nav {
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .support {
    position: relative;
    right: auto;
    bottom: auto;
    display: flex;
    justify-content: flex-end;
    background: #222;
    padding: 0 24px 24px;
  }
  .support-panel {
    bottom: 84px;
    right: 16px;
  }
  .not-found {
    padding-block: 90px;
  }
}
@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .feature-card > img {
    margin-bottom: 20px;
  }
  .feature-card h3 {
    font-size: 26px;
  }
  .feature-card p {
    font-size: 18px;
  }
  .home-hero h1 {
    font-size: 54px;
  }
  .home-hero .hero-subtitle {
    font-size: 22px;
  }
  .cta .actions {
    flex-wrap: wrap;
  }
  .landing-hero h1 {
    font-size: 50px;
  }
  .demo-page > h1 {
    font-size: 48px;
  }
  .price-card {
    padding: 28px;
  }
  .demo-preview iframe {
    height: 360px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
.preferences-link {
  border: 0;
  background: none;
  color: inherit;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.analytics-banner {
  position: fixed;
  z-index: 50;
  bottom: 24px;
  left: 24px;
  width: calc(100% - 48px);
  padding: 12px 20px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 12px;
  box-shadow: 0 8px 32px #00112224;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 16px;
}
.analytics-banner[hidden],
.preferences-link[hidden] {
  display: none;
}
.analytics-banner p,
.analytics-banner a {
  font-size: 14px;
  line-height: 1.5;
}
.analytics-banner p {
  color: var(--ink);
}
.analytics-banner > a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.analytics-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.analytics-actions .button {
  min-height: 44px;
  padding: 10px 12px;
}
@media (max-width: 600px) {
  .analytics-banner {
    bottom: 12px;
    left: 12px;
    width: calc(100% - 24px);
    padding: 12px;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px 12px;
  }
  .analytics-banner > p {
    grid-column: 1 / -1;
  }
  .analytics-banner > a {
    max-width: 7ch;
  }
  .analytics-actions .button {
    font-size: 14px;
    padding: 8px 10px;
  }
}
@media print {
  .site-header,
  .site-footer,
  .support,
  .analytics-banner,
  .actions,
  .dialog-close {
    display: none;
  }
  .container {
    width: 100%;
  }
  h1 {
    font-size: 36px;
  }
  .benefit,
  .story-paper {
    background: none;
    padding: 20px;
  }
  .letter {
    box-shadow: none;
  }
  .faq details .faq-answer {
    display: block;
  }
  .testimonials,
  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }
}