@font-face {
  font-family:'Golos Text';
  font-style:normal;
  font-weight:400 900;
  font-display:swap;
  src:url('assets/fonts/GolosText-variable.woff2') format('woff2');
}
@font-face {
  font-family:'Literata';
  font-style:normal;
  font-weight:200 900;
  font-display:swap;
  src:url('assets/fonts/Literata-variable.woff2') format('woff2');
}
@font-face {
  font-family:'Literata';
  font-style:italic;
  font-weight:200 900;
  font-display:swap;
  src:url('assets/fonts/Literata-Italic-variable.woff2') format('woff2');
}
:root {
  color-scheme:light;
  --paper:#f5f3ee;
  --ink:#202e45;
  --muted:#627080;
  --blue:#365a91;
  --blue-dark:#294773;
  --line:#d9dce3;
  --accent:#a76412;
  --serif:'Literata',Georgia,'Times New Roman',serif;
  --sans:'Golos Text','Segoe UI',Arial,sans-serif
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
button {
  font:inherit
}
button,a,summary {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:5px
}
button {
  cursor:pointer
}
::selection {
  background:#d8e2f4
}
.container {
  width:min(1200px,calc(100% - 80px));
  margin-inline:auto
}
.site-header {
  border-bottom:1px solid var(--line);
  background:var(--paper)
}
.nav-bar {
  min-height:94px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:650;
  letter-spacing:-.8px;
  white-space:nowrap
}
.brand-mark {
  display:grid;
  place-items:center;
  width:35px;
  height:35px;
  background:var(--blue);
  color:white;
  font:23px var(--serif);
  border-radius:9px
}
.beta {
  align-self:flex-start;
  margin-top:4px;
  border:1px solid #cbd2dc;
  padding:3px 5px;
  border-radius:4px;
  font-size:8px;
  letter-spacing:1px;
  color:var(--muted)
}
.desktop-nav {
  display:flex;
  gap:30px;
  font-size:13px;
  font-weight:500
}
.desktop-nav a:hover,.footer a:hover {
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:5px
}
.nav-login {
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:28px;
  border:1px solid #b9c3d2;
  padding:11px 18px;
  border-radius:7px
}
.nav-login:hover {
  background:#e9eff9
}
.hero {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:65px;
  align-items:center;
  padding-block:78px 68px
}
.eyebrow {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:10px;
  font-weight:700;
  letter-spacing:1.65px;
  margin:0 0 27px;
  color:var(--blue)
}
.status-dot {
  width:6px;
  height:6px;
  background:#5d8066;
  border-radius:50%;
  flex-shrink:0
}
h1 {
  font-family:var(--serif);
  font-size:clamp(48px,4.65vw,66px);
  font-weight:500;
  letter-spacing:-2.7px;
  line-height:1.075;
  margin:0 0 28px
}
em {
  font-family:var(--serif);
  font-style:normal;
  font-weight:400;
  color:var(--blue)
}
.hero-description {
  max-width:460px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  margin:0 0 29px
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:25px;
  flex-wrap:wrap
}
.button {
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  padding:15px 23px;
  border-radius:7px;
  font-size:13px;
  font-weight:600;
  line-height:1.4;
  transition:background .2s,transform .2s
}
.button-primary {
  background:var(--blue);
  color:white;
  box-shadow:0 3px 5px #2438660b
}
.button-primary:hover {
  background:var(--blue-dark);
  transform:translateY(-2px)
}
.text-link {
  font-size:13px;
  font-weight:600;
  display:inline-flex;
  gap:14px;
  align-items:center
}
.text-link:hover {
  text-decoration:underline;
  text-underline-offset:5px
}
.hero-note {
  font-size:11px;
  color:var(--muted);
  margin:16px 0 0
}
.demo-stage {
  background:#e7ebed;
  border-radius:15px;
  padding:24px 25px 16px;
  transform:rotate(1deg)
}
.demo-stage>* {
  transform:rotate(-1deg)
}
.demo-caption {
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:9px;
  font-weight:600;
  letter-spacing:1px;
  color:#65717c;
  padding:0 4px 20px
}
.demo-window {
  background:#fff;
  border:1px solid #d8dfe6;
  border-radius:11px;
  box-shadow:0 18px 45px #263b5320;
  overflow:hidden
}
.demo-toolbar {
  display:flex;
  align-items:center;
  gap:9px;
  border-bottom:1px solid #e9ecf1;
  padding:16px 18px;
  font-size:11px
}
.mini-brand {
  color:var(--blue);
  font:bold 19px var(--serif)
}
.sample-label {
  margin-left:auto;
  color:var(--muted);
  font-size:9px;
  background:#f0f2f6;
  border-radius:4px;
  padding:4px 8px
}
.demo-body {
  padding:24px
}
.lesson-meta {
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  font-size:9px;
  color:#586b83
}
.lesson-meta span {
  border:1px solid #e2e6ec;
  padding:5px 9px;
  border-radius:4px
}
.demo-body h2 {
  font-size:19px;
  letter-spacing:-.5px;
  margin:20px 0 14px
}
.interest-options {
  display:flex;
  gap:8px;
  flex-wrap:wrap
}
.interest-options button {
  border:1px solid #dfe5ed;
  border-radius:5px;
  background:white;
  padding:9px 13px;
  font-size:11px;
  color:#586477;
  transition:background .15s
}
.interest-options button[aria-pressed=true] {
  border-color:var(--blue);
  background:var(--blue);
  color:white
}
.interest-options button:hover {
  border-color:var(--blue)
}
.prompt-card {
  background:#f0f4fa;
  border:1px solid #dbe5f1;
  padding:18px;
  border-radius:7px;
  margin-top:21px
}
.prompt-card-heading {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px
}
.small-label {
  font-size:9px;
  font-weight:650;
  letter-spacing:1.3px;
  color:var(--blue)
}
.ready-label {
  font-size:9px;
  color:#476c56
}
.prompt-card p {
  font-size:12px;
  line-height:1.85;
  min-height:112px;
  margin:14px 0;
  color:#3c506d
}
.copy-button {
  display:flex;
  align-items:center;
  justify-content:space-between;
  border:0;
  border-top:1px solid #d6e0ee;
  background:transparent;
  color:var(--blue);
  font-size:11px;
  font-weight:600;
  width:100%;
  padding:13px 0 0;
  min-height:35px;
  text-align:left
}
.demo-outcome {
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:20px
}
.outcome-number {
  background:#f4ecdc;
  border-radius:7px;
  color:var(--accent);
  padding:10px;
  font:20px var(--serif)
}
.demo-outcome p {
  font-size:10px;
  line-height:1.7;
  color:var(--muted);
  margin:0
}
.demo-outcome strong {
  color:var(--ink);
  font-weight:600
}
.demo-footnote {
  display:flex;
  justify-content:space-between;
  font-size:10px;
  color:#697583;
  margin-top:18px;
  padding-inline:5px
}
.compatibility {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:25px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px
}
.compatibility>p {
  font-size:11px;
  line-height:1.7;
  color:var(--muted);
  margin:0
}
.compatibility strong {
  font-weight:500;
  color:var(--ink)
}
.ai-brands {
  display:flex;
  justify-content:center;
  gap:32px;
  flex-wrap:wrap
}
.ai-brands span {
  display:flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:600;
  letter-spacing:-.5px
}
.ai-brands img {
  object-fit:contain;
  filter:grayscale(1);
  opacity:.8
}
.compatibility .compatibility-note {
  font-size:10px
}
.section {
  padding-block:95px
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  margin-bottom:45px
}
h2 {
  font-family:var(--serif);
  font-size:40px;
  font-weight:500;
  line-height:1.2;
  letter-spacing:-1.4px;
  margin:0
}
.section-heading .eyebrow {
  margin-bottom:19px
}
.section-heading>p {
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
  margin:0 0 3px
}
.steps {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px
}
.step {
  border-top:1px solid #bfc9d6;
  padding-top:23px
}
.step h3 {
  font-size:18px;
  letter-spacing:-.4px;
  font-weight:600;
  margin:0 0 12px
}
.step p {
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
  max-width:320px;
  margin:0 0 24px
}
.step-tag {
  display:inline-block;
  border:1px solid var(--line);
  border-radius:4px;
  padding:5px 9px;
  font-size:10px;
  color:var(--muted)
}
.guide-link {
  margin-top:33px;
  color:var(--blue)
}
.teacher-section {
  background:#294773;
  color:#f7f8fb;
  padding-block:72px
}
.teacher-grid {
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:64px
}
.teacher-section .eyebrow {
  color:#c5d3e8
}
.teacher-section h2 {
  font-size:39px
}
.teacher-section em {
  color:#e6bf88
}
.teacher-intro {
  font-size:14px;
  line-height:1.9;
  color:#d0d9e6;
  max-width:450px;
  margin:26px 0 0
}
.principles article {
  display:flex;
  gap:22px;
  padding:21px 0;
  border-bottom:1px solid #ffffff26
}
.principles article:first-child {
  padding-top:0
}
.principles article:last-child {
  border:0;
  padding-bottom:0
}
.principles article>span {
  font-size:11px;
  color:#bdcce0;
  padding-top:4px
}
.principles h3 {
  font-size:17px;
  font-weight:500;
  margin:0 0 8px
}
.principles p {
  font-size:12px;
  line-height:1.9;
  color:#d0d9e6;
  margin:0
}
.research-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px
}
.research-main {
  background:#e8edf4;
  border-radius:11px;
  padding:37px
}
.research-label {
  font-size:9px;
  letter-spacing:1.3px;
  font-weight:650;
  color:var(--blue)
}
.research-main h3 {
  font-size:29px;
  line-height:1.3;
  letter-spacing:-.6px;
  font-weight:500;
  margin:26px 0 18px
}
.research-main p,.research-details p {
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
  margin:0 0 25px
}
.research-main .button {
  margin-top:4px
}
.research-details {
  padding-left:22px
}
.research-details article {
  padding-block:12px 26px
}
.research-details article+article {
  border-top:1px solid var(--line);
  padding-top:28px
}
.research-details h3 {
  font-size:20px;
  font-weight:500;
  letter-spacing:-.4px;
  margin:14px 0 12px
}
.research-details p {
  margin-bottom:15px
}
.research-details .text-link {
  color:var(--blue);
  font-size:12px
}
.faq {
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:1fr 1.5fr;
  gap:70px;
  padding-block:75px 90px
}
.faq .eyebrow {
  margin-bottom:20px
}
details {
  border-bottom:1px solid var(--line);
  padding:22px 0
}
details:first-child {
  padding-top:0
}
summary {
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:500;
  display:flex;
  justify-content:space-between;
  gap:18px;
  line-height:1.6
}
summary::-webkit-details-marker {
  display:none
}
summary::after {
  content:'+';
  font-weight:400;
  color:var(--blue);
  font-size:21px;
  line-height:1.2
}
details[open] summary::after {
  content:'−'
}
details p {
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:10px
}
details a {
  font-size:12px;
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:4px
}
.closing {
  text-align:center;
  border-top:1px solid var(--line);
  padding:65px 25px 75px
}
.closing .eyebrow {
  justify-content:center;
  margin-bottom:19px
}
.closing h2 {
  font-size:62px;
  letter-spacing:-2px;
  font-family:var(--serif);
  font-style:italic;
  color:var(--blue)
}
.closing>p:not(.eyebrow) {
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:20px 0 27px
}
.footer {
  border-top:1px solid var(--line);
  padding-block:35px 25px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:25px;
  flex-wrap:wrap
}
.footer .brand {
  font-size:20px
}
.footer p {
  font-size:11px;
  color:var(--muted);
  margin:10px 0 0
}
.footer nav {
  display:flex;
  gap:24px;
  font-size:11px;
  flex-wrap:wrap
}
.footer-bottom {
  border-top:1px solid #e2e2df;
  padding-top:23px;
  margin-top:6px;
  width:100%;
  display:flex;
  justify-content:space-between;
  gap:15px;
  font-size:9px;
  color:var(--muted)
}
.skip-link {
  position:absolute;
  left:20px;
  top:-80px;
  background:white;
  padding:15px;
  z-index:10
}
.skip-link:focus {
  top:10px
}
.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  margin:-1px;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap
}
@media(min-width:1450px) {
  .hero {
    padding-block:95px 85px
  }
}
@media(max-width:1050px) {
  .container {
    width:calc(100% - 48px)
  }
  .hero {
    gap:30px
  }
  .desktop-nav {
    gap:18px;
    font-size:11px
  }
  .brand {
    font-size:20px
  }
  h1 {
    font-size:51px
  }
  .demo-stage {
    padding:18px 15px 14px
  }
  .demo-body {
    padding:18px
  }
  .hero-actions {
    gap:16px
  }
  .hero-description {
    font-size:14px
  }
  .compatibility {
    gap:20px
  }
  .ai-brands {
    gap:20px
  }
  .ai-brands span {
    font-size:15px
  }
  .compatibility-note {
    display:none
  }
  .teacher-grid {
    gap:50px
  }
  .section-heading>p {
    max-width:300px
  }
  .research-main {
    padding:28px
  }
  .faq {
    gap:40px
  }
}
@media(max-width:760px) {
  .container {
    width:calc(100% - 40px)
  }
  .nav-bar {
    min-height:76px;
    gap:12px
  }
  .desktop-nav {
    display:none
  }
  .brand {
    font-size:19px;
    gap:7px
  }
  .brand-mark {
    width:30px;
    height:30px;
    font-size:20px
  }
  .beta {
    font-size:7px
  }
  .nav-login {
    font-size:12px;
    padding:9px 13px;
    gap:15px
  }
  .hero {
    grid-template-columns:1fr;
    gap:40px;
    padding-block:45px
  }
  .hero-copy {
    max-width:550px
  }
  h1 {
    font-size:clamp(43px,12.8vw,58px);
    letter-spacing:-2.3px
  }
  .hero-description {
    font-size:15px;
    max-width:480px
  }
  .hero .eyebrow {
    font-size:9px;
    letter-spacing:1.2px
  }
  .demo-stage {
    width:min(500px,100%);
    justify-self:center;
    padding:22px 20px 15px
  }
  .demo-body {
    padding:23px
  }
  .demo-body h2 {
    font-size:20px
  }
  .prompt-card p {
    font-size:13px;
    min-height:112px
  }
  .demo-outcome p {
    font-size:11px
  }
  .compatibility {
    align-items:flex-start;
    flex-direction:column;
    padding-block:22px;
    gap:20px
  }
  .compatibility>p br {
    display:none
  }
  .compatibility>p strong {
    margin-left:6px
  }
  .ai-brands {
    justify-content:flex-start;
    gap:18px 25px
  }
  .ai-brands span {
    font-size:16px
  }
  .ai-brands img {
    width:20px;
    height:20px
  }
  .section {
    padding-block:60px
  }
  .section-heading {
    display:block;
    margin-bottom:32px
  }
  h2 {
    font-size:36px
  }
  .section-heading>p {
    margin-top:20px;
    max-width:100%
  }
  .section-heading>p br {
    display:none
  }
  .steps {
    gap:25px;
    grid-template-columns:1fr
  }
  .step {
    display:grid;
    grid-template-columns:1fr;
    column-gap:20px;
    padding-top:20px
  }
  .step h3 {
    margin:3px 0 10px
  }
  .step p {
    max-width:100%;
    margin-bottom:15px
  }
  .step-tag {
    justify-self:start;
    grid-column:1
  }
  .teacher-section {
    padding-block:50px
  }
  .teacher-grid {
    grid-template-columns:1fr;
    gap:35px
  }
  .teacher-section h2 {
    font-size:35px
  }
  .teacher-intro {
    max-width:100%
  }
  .principles p {
    font-size:13px
  }
  .research-grid {
    grid-template-columns:1fr;
    gap:26px
  }
  .research-main {
    padding:28px
  }
  .research-details {
    padding-left:0
  }
  .research-details article:last-child {
    padding-bottom:0
  }
  .faq {
    grid-template-columns:1fr;
    gap:30px
  }
  .faq h2 br {
    display:none
  }
  .faq h2 em {
    margin-left:6px
  }
  .closing {
    padding-block:45px 55px
  }
  .closing h2 {
    font-size:48px
  }
  .closing .eyebrow {
    font-size:9px;
    letter-spacing:1px
  }
  .footer {
    align-items:flex-start;
    gap:27px
  }
  .footer nav {
    gap:15px 22px
  }
  .footer-bottom {
    flex-direction:column;
    font-size:10px;
    line-height:1.7;
    margin:0
  }
  .hero-note {
    font-size:10px
  }
}
@media(max-width:380px) {
  .container {
    width:calc(100% - 32px)
  }
  h1 {
    font-size:49px
  }
  .beta {
    display:none
  }
  .demo-stage {
    padding:15px 10px
  }
  .demo-body {
    padding:16px
  }
  .hero-actions {
    gap:18px
  }
  .button {
    gap:18px;
    padding-inline:18px
  }
  .ai-brands {
    gap:18px
  }
  .ai-brands span {
    font-size:14px
  }
  .research-main {
    padding:22px
  }
}
.interest-story {
  display:grid;
  grid-template-columns: .85fr 1.35fr;
  align-items:center;
  gap:48px;
  padding-block:72px 30px;
}
.interest-story-copy > p:not(.eyebrow) {
  max-width:360px;
  margin:24px 0;
  font-size:14px;
  line-height:1.9;
  color:var(--muted);
}
.interest-story-copy .text-link {
  color:var(--blue);
}
.interest-illustration, .teacher-illustration {
  margin:0;
}
.interest-illustration img, .teacher-illustration img {
  display:block;
  width:100%;
  height:auto;
  border-radius:12px;
}
.interest-illustration figcaption {
  margin-top:12px;
  font-size:11px;
  line-height:1.7;
  color:var(--muted);
}
.interest-illustration img, .teacher-illustration img {
  border-radius:0;
  mask-image:linear-gradient(to right, transparent, #000 5%, #000 95%, transparent), linear-gradient(to bottom, transparent, #000 5%, #000 95%, transparent);
  mask-composite:intersect;
}
.teacher-illustration img {
  mask-image:url("assets/landing/paint-edge-mask.svg");
  mask-size:100% 100%;
  mask-repeat:no-repeat;
  mask-composite:add;
}
.teacher-illustration {
  margin-top:30px;
  max-width:620px;
}
.teacher-grid .principles {
  align-self:center;
}
@media(max-width:760px) {
  .interest-story {
    grid-template-columns:1fr;
    gap:28px;
    padding-block:48px 0;
  }
  .interest-story-copy > p:not(.eyebrow) {
    max-width:100%;
  }
  .teacher-illustration {
    max-width:100%;
  }
}
/* Readable presentation sizes and a compact first screen at desktop zoom. */
:root {
  --muted:#526174;
}
.nav-bar {
  min-height:76px;
}
.desktop-nav, .nav-login {
  font-size:16px;
}
.hero {
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:start;
  padding-block:32px 40px;
}
.hero-copy {
  padding-top:12px;
}
.hero .eyebrow {
  margin-bottom:18px;
}
h1 {
  font-size:clamp(38px,3.5vw,50px);
  line-height:1.12;
  letter-spacing:-1.5px;
  margin-bottom:22px;
}
.hero-description {
  max-width:540px;
  font-size:19px;
  line-height:1.65;
  margin-bottom:24px;
}
.button, .text-link, .copy-button {
  font-size:16px;
}
.button {
  min-height:50px;
}
.hero-note, .demo-footnote {
  font-size:14px;
  line-height:1.5;
}
.eyebrow, .small-label, .research-label {
  font-size:12px;
  line-height:1.5;
  letter-spacing:1px;
}
.demo-stage {
  transform:none;
  padding:18px;
}
.demo-stage > * {
  transform:none;
}
.demo-caption {
  font-size:11px;
  padding-bottom:14px;
}
.demo-toolbar {
  display:none;
}
.demo-body {
  padding:20px;
}
.lesson-meta, .ready-label {
  font-size:12px;
}
.demo-body h2 {
  font-size:23px;
  margin-block:18px 12px;
}
.interest-options button {
  font-size:15px;
  min-height:42px;
}
.prompt-card {
  margin-top:16px;
  padding:16px;
}
.prompt-card p {
  font-size:16px;
  line-height:1.6;
  min-height:0;
  margin-block:12px;
}
.copy-button {
  min-height:44px;
}
.demo-outcome {
  margin-top:14px;
}
.demo-outcome p {
  font-size:14px;
  line-height:1.5;
}
.compatibility > p, .compatibility .compatibility-note, .step-tag,
.interest-illustration figcaption, .footer p, .footer nav, details a {
  font-size:14px;
}
.section-heading > p, .step p, .teacher-intro, .principles p,
.research-main p, .research-details p, details p,
.interest-story-copy > p:not(.eyebrow), .closing > p:not(.eyebrow) {
  font-size:17px;
  line-height:1.7;
}
.section-heading > p {
  max-width:410px;
}
.step h3, .principles h3 {
  font-size:21px;
  line-height:1.35;
}
summary {
  font-size:18px;
}
.research-details .text-link {
  font-size:16px;
}
.footer-bottom {
  font-size:12px;
  line-height:1.6;
}
@media(max-width:1050px) {
  .desktop-nav {
    font-size:14px;
    gap:16px;
  }
  .hero {
    gap:24px;
  }
  .hero-description {
    font-size:18px;
  }
}
@media(max-width:900px) {
  .hero {
    grid-template-columns:1fr;
    gap:28px;
  }
  .hero-copy, .hero-description {
    max-width:680px;
  }
  .demo-stage {
    width:100%;
    max-width:680px;
    justify-self:start;
  }
  .desktop-nav {
    display:none;
  }
}
@media(max-width:760px) {
  .hero {
    padding-block:24px 32px;
  }
  .hero-copy {
    padding-top:0;
  }
  h1 {
    font-size:clamp(34px,8.4vw,44px);
    letter-spacing:-1px;
  }
  .hero .eyebrow, .closing .eyebrow {
    font-size:11px;
  }
  .hero-description {
    font-size:18px;
  }
  .demo-stage {
    padding:12px;
  }
  .demo-body {
    padding:16px;
  }
  .demo-caption {
    font-size:10px;
    letter-spacing:.3px;
  }
  .prompt-card {
    padding:12px;
  }
  .demo-body h2 {
    font-size:21px;
  }
  .hero-actions {
    align-items:flex-start;
  }
  .footer-bottom {
    font-size:12px;
  }
}
.nav-actions { display:flex; align-items:center; gap:14px; }
#landing-language { font:14px var(--sans); color:var(--ink); background:var(--paper); border:1px solid var(--line); border-radius:6px; padding:10px 8px; }
.demo-body h2 { font-family:var(--sans); }
@media(max-width:600px) {
  .nav-bar { flex-wrap:wrap; gap:12px; padding-block:14px; }
  .nav-actions { width:100%; justify-content:space-between; }
}
.scroll-reveal {
  opacity:0;
  translate:0 28px;
  transition:opacity 700ms cubic-bezier(.22,1,.36,1), translate 700ms cubic-bezier(.22,1,.36,1);
}
.scroll-reveal.is-revealed {
  opacity:1;
  translate:0 0;
}
.steps > :nth-child(2), .principles > :nth-child(2) {
  transition-delay:80ms;
}
.steps > :nth-child(3), .principles > :nth-child(3) {
  transition-delay:160ms;
}
.scroll-reveal.reveal-immediate {
  transition:none;
}
@media(prefers-reduced-motion:reduce) {
  .scroll-reveal {
    opacity:1;
    translate:none;
  }
  html {
    scroll-behavior:auto
  }
  *,*::before,*::after {
    transition:none!important;
    animation:none!important
  }
  .button-primary:hover {
    transform:none
  }
}
@media print {
  .scroll-reveal {
    opacity:1;
    translate:none;
    transition:none;
  }
  .site-header,.hero-actions,.copy-button,.closing,.footer nav {
    display:none
  }
  .container {
    width:100%
  }
  .hero,.section,.teacher-section {
    padding-block:25px
  }
  .demo-stage {
    transform:none
  }
  .demo-stage>* {
    transform:none
  }
  .teacher-section {
    background:white;
    color:var(--ink)
  }
  .teacher-section p,.teacher-section .eyebrow,.teacher-section em {
    color:var(--ink)
  }
  details {
    break-inside:avoid
  }
  a {
    text-decoration:underline
  }
}