:root {
  --lp-text:#10214e;
  --lp-muted:#65799b;
  --lp-blue:#065cf1;
  --lp-green:#009c46;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
}
body {
  margin:0;
  background:#fff;
  color:var(--lp-text);
  font-family:"Segoe UI",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a {
  color:inherit;
  text-decoration:none;
}
button,input {
  font:inherit;
}
img {
  max-width:100%;
}
a:focus-visible,button:focus-visible,input:focus-visible {
  outline:3px solid #185cff;
  outline-offset:4px;
}
.lp-header {
  height:70px;
  border-bottom:1px solid #e8eff9;
  background:#fff;
  position:relative;
  z-index:5;
}
.lp-header-inner {
  max-width:1464px;
  height:100%;
  margin:auto;
  padding:0 12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:25px;
}
.lp-brand {
  display:flex;
  gap:9px;
  align-items:center;
  flex-shrink:0;
}
.lp-brand-icon {
  height:48px;
  width:48px;
  object-fit:contain;
}
.lp-brand-text {
  font-size:29px;
  line-height:1.05;
  font-weight:800;
  letter-spacing:-.6px;
}
.lp-brand-text small {
  display:block;
  font-size:12px;
  margin-top:5px;
  font-weight:400;
  letter-spacing:0;
  color:#425780;
}
.lp-nav {
  display:flex;
  gap:33px;
  margin-left:28px;
}
.lp-nav a {
  font-size:15px;
  white-space:nowrap;
}
.lp-nav a:hover {
  color:var(--lp-blue);
}
.lp-header-actions {
  display:flex;
  gap:16px;
  align-items:center;
}
.lp-search-toggle {
  border:0;
  background:none;
  color:var(--lp-text);
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  cursor:pointer;
}
.lp-search-toggle svg {
  width:23px;
  height:23px;
}
.lp-btn {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:16px;
  min-height:44px;
  padding:11px 23px;
  border:0;
  border-radius:11px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:transform .18s,box-shadow .18s,filter .18s;
}
.lp-btn:hover {
  transform:translateY(-1px);
  filter:brightness(.97);
  box-shadow:0 6px 18px #1e60b522;
}
.lp-btn-outline {
  border:1px solid #c8dcff;
  color:#004bcc;
  background:#fff;
}
.lp-btn-primary,.lp-btn-blue {
  background:linear-gradient(110deg,#2195ff,#0758f5);
  color:#fff;
}
.lp-btn-amber {
  background:linear-gradient(110deg,#ffbc00,#f2ae00);
  color:#142044;
}
.lp-btn-green {
  background:linear-gradient(110deg,#10b95d,#02a74c);
  color:#fff;
}
.lp-btn-block {
  width:100%;
  padding-inline:8px;
}
.lp-hero {
  position:relative;
  isolation:isolate;
  overflow:hidden;
  min-height:513px;
  padding:28px 16px 42px;
}
.lp-hero-art {
  position:absolute;
  inset:0;
  z-index:-2;
  background:url('/assets/landing/hero-v1.png') center top/cover no-repeat;
}
.lp-hero-inner {
  max-width:900px;
  margin:auto;
  text-align:center;
}
.lp-badge {
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:5px 15px 5px 8px;
  margin:0 0 16px;
  background:#edf5ff;
  color:#064899;
  font-size:12px;
  border-radius:30px;
}
.lp-badge strong {
  color:white;
  background:linear-gradient(110deg,#0670ff,#2d8aff);
  padding:5px 13px;
  border-radius:20px;
  font-size:14px;
  font-weight:600;
}
.lp-hero h1 {
  font-size:clamp(30px,2.7vw,44px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-1.2px;
  margin:0;
}
.lp-text-blue {
  color:var(--lp-blue);
}
.lp-text-green {
  color:var(--lp-green);
}
.lp-hero-sub {
  max-width:620px;
  margin:12px auto 0;
  font-size:20px;
  line-height:1.4;
  color:var(--lp-muted);
}
.lp-choice-row {
  max-width:822px;
  margin:25px auto 0;
  scroll-margin-top:24px;
}
.lp-choice-cards {
  display:grid;
  grid-template-columns:1fr 1fr 1.12fr;
  gap:10px;
}
.lp-choice-card {
  display:flex;
  flex-direction:column;
  min-height:190px;
  padding:16px 16px 10px;
  border:1px solid;
  border-radius:15px;
}
.lp-choice-card--teacher {
  background:#fffcf2f7;
  border-color:#ffebad;
}
.lp-choice-card--student {
  background:#f0f7fff7;
  border-color:#d0e5ff;
}
.lp-choice-card--code {
  background:#f0fcf5f7;
  border-color:#d2f2e0;
}
.lp-choice-top {
  display:grid;
  grid-template-columns:60px 1fr;
  column-gap:12px;
  align-content:center;
  min-height:70px;
  margin-bottom:13px;
}
.lp-choice-icon {
  grid-row:span 2;
  height:60px;
  display:grid;
  place-items:center;
  border-radius:17px;
  font-size:32px;
  background:linear-gradient(140deg,#fff2aa,#ffda60);
  border:1px solid #ffda65;
  box-shadow:inset 0 1px 2px #ffffffa0;
}
.lp-choice-card--student .lp-choice-icon {
  background:linear-gradient(140deg,#d4eaff,#92c8ff);
  border-color:#8ec4ff;
}
.lp-choice-card--code .lp-choice-icon {
  background:linear-gradient(140deg,#e2ffe5,#a9f1b8);
  border-color:#c5f8d2;
  height:55px;
}
.lp-choice-card h2 {
  font-size:17px;
  line-height:1.15;
  letter-spacing:-.4px;
  margin:0 0 3px;
}
.lp-choice-card p {
  font-size:12px;
  line-height:1.35;
  margin:0;
  color:#597094;
}
.lp-choice-card>.lp-btn {
  margin-top:auto;
  min-height:49px;
}
.lp-choice-card .lp-choice-domain {
  text-align:center;
  color:#0043a4;
  font-size:13px;
  font-weight:600;
  margin:7px 0 0;
}
.lp-choice-card--code .lp-choice-domain {
  color:#008947;
  margin-top:5px;
}
.lp-choice-card--code .lp-choice-top {
  min-height:53px;
  margin-bottom:10px;
  grid-template-columns:55px 1fr;
}
.lp-join-form {
  display:flex;
  flex-direction:column;
  gap:7px;
}
.lp-join-form input {
  width:100%;
  min-width:0;
  height:38px;
  padding:0 10px;
  border:1px solid #d0dceb;
  border-radius:9px;
  background:white;
  color:var(--lp-text);
  font-size:12px;
}
.lp-join-form .lp-btn {
  min-height:36px;
  padding-block:7px;
  border-radius:10px;
}
.lp-ecosystem {
  padding:9px 24px 0;
  background:linear-gradient(#fff,#fcfdff);
}
.lp-ecosystem-inner {
  max-width:1464px;
  margin:auto;
}
.lp-ecosystem h2 {
  text-align:center;
  margin:0;
  font-size:29px;
  line-height:1.3;
  letter-spacing:-.6px;
  font-weight:800;
}
.lp-ecosystem-sub {
  text-align:center;
  margin:2px 0 20px;
  color:#6b7f9f;
  font-size:16px;
}
.lp-ecosystem-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:15px;
}
.lp-eco-card {
  --eco:#0060ce;
  --tint:#f0f8ff;
  display:block;
  border:1px solid #dcecff;
  border-radius:15px;
  overflow:hidden;
  background:#fff;
  transition:transform .18s,box-shadow .18s;
}
.lp-eco-card:hover {
  transform:translateY(-4px);
  box-shadow:0 12px 32px #1854a414;
}
.lp-eco-card--student {
  --eco:#00994a;
  --tint:#effcf4;
  border-color:#dcf5e6;
}
.lp-eco-card--duck {
  --eco:#a35e00;
  --tint:#fffcf0;
  border-color:#fff0c9;
}
.lp-eco-card--geometry {
  --eco:#6f30c7;
  --tint:#f8f3ff;
  border-color:#eee2ff;
}
.lp-eco-art {
  position:relative;
  aspect-ratio:355/130;
  background-image:url('/assets/landing/reference-art-v1.png');
  background-size:446.76% 763.08%;
  background-position:4.955% 77.378%;
  background-repeat:no-repeat;
}
.lp-eco-card--student .lp-eco-art {
  background-position:35.012% 77.378%;
}
.lp-eco-card--duck .lp-eco-art {
  background-position:65.15% 77.378%;
}
.lp-eco-card--geometry .lp-eco-art {
  background-position:95.13% 77.378%;
}
.lp-eco-title {
  position:absolute;
  right:0;
  bottom:0;
  width:61%;
  padding:5px 8px 10px 9px;
  background:var(--tint);
  box-shadow:-7px 0 12px var(--tint);
  color:var(--eco);
}
.lp-eco-title h3 {
  font-size:21px;
  line-height:1.15;
  margin:0;
  font-weight:800;
  letter-spacing:-.5px;
}
.lp-eco-title p {
  font-size:12px;
  line-height:1.3;
  margin:3px 0 0;
}
.lp-eco-card ul {
  list-style:none;
  padding:0 24px;
  margin:9px 0 10px;
  font-size:12px;
  line-height:1.65;
  color:#435778;
}
.lp-eco-card li {
  position:relative;
  padding-left:27px;
  margin-bottom:5px;
}
.lp-eco-card li::before {
  content:'✓';
  position:absolute;
  left:0;
  top:3px;
  color:#fff;
  background:var(--eco);
  width:15px;
  height:15px;
  line-height:15px;
  text-align:center;
  font-size:10px;
  border-radius:50%;
}
.lp-eco-link {
  display:block;
  padding:0 24px 12px;
  font-size:13px;
  font-weight:600;
  color:var(--eco);
}
.lp-footer {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  padding:12px 20px 8px;
  background:#fcfdff;
}
.lp-footer::before,.lp-footer::after {
  content:'';
  height:1px;
  width:105px;
  background:#dfebff;
}
.lp-footer-tagline {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:13px;
  border:1px solid #eff5ff;
  border-radius:40px;
  background:linear-gradient(115deg,#f2f8ff,#f8fbff);
  padding:12px 37px;
  font-size:12px;
}
.lp-footer-tagline>span {
  font-size:26px;
}
.lp-footer-tagline strong {
  display:block;
  font-weight:600;
}
.lp-footer-tagline small {
  display:block;
  margin-top:3px;
  font-size:10px;
  color:#637ca0;
}
#lpSearch {
  border:1px solid #d6e6ff;
  border-radius:18px;
  width:min(520px,calc(100% - 32px));
  color:var(--lp-text);
  padding:25px;
  box-shadow:0 22px 100px #12336933;
}
#lpSearch::backdrop {
  background:#15254755;
  backdrop-filter:blur(4px);
}
#lpSearch h2 {
  margin:0 0 18px;
  font-size:22px;
}
#lpSearchInput {
  width:100%;
  padding:13px;
  border:1px solid #c7d9f3;
  border-radius:10px;
}
#lpSearchClose {
  float:right;
  border:0;
  background:#eef5ff;
  border-radius:8px;
  min-width:40px;
  min-height:40px;
  cursor:pointer;
  color:var(--lp-text);
}
#lpSearchResults {
  display:grid;
  gap:8px;
  margin-top:14px;
}
#lpSearchResults a {
  padding:12px;
  background:#f4f8ff;
  border-radius:9px;
}
#lpSearchResults a:hover {
  background:#e7f0ff;
}
@media(min-width:1600px) {
  .lp-hero {
    min-height:540px;
  }
  .lp-hero-art {
    background-size:1600px auto;
  }
  .lp-choice-row {
    margin-top:32px;
  }
}
@media(max-width:1250px) {
  .lp-header-inner {
    padding-inline:24px;
    gap:15px;
  }
  .lp-nav {
    gap:20px;
    margin-left:0;
  }
  .lp-header-actions {
    gap:8px;
  }
  .lp-header-actions .lp-btn {
    padding-inline:15px;
  }
  .lp-hero-art {
    background-size:auto 500px;
  }
  .lp-hero-inner,.lp-choice-row {
    max-width:760px;
  }
  .lp-eco-card ul {
    padding-inline:14px;
  }
  .lp-eco-title h3 {
    font-size:18px;
  }
  .lp-eco-title p {
    font-size:11px;
  }
}
@media(max-width:1050px) {
  .lp-nav {
    gap:15px;
  }
  .lp-nav a {
    font-size:13px;
  }
  .lp-nav a:last-child {
    display:none;
  }
  .lp-brand-text {
    font-size:24px;
  }
  .lp-brand-icon {
    width:42px;
    height:42px;
  }
  .lp-header-actions .lp-btn-outline {
    display:none;
  }
  .lp-hero-art {
    opacity:.3;
    background-size:auto 500px;
  }
  .lp-hero h1 {
    font-size:36px;
  }
  .lp-hero-sub {
    font-size:18px;
  }
  .lp-ecosystem-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:20px;
  }
  .lp-eco-title h3 {
    font-size:23px;
  }
  .lp-eco-title p {
    font-size:14px;
  }
  .lp-eco-card ul,.lp-eco-link {
    font-size:14px;
  }
  .lp-footer {
    padding-block:22px;
  }
}
@media(max-width:700px) {
  .lp-header {
    height:68px;
  }
  .lp-header-inner {
    padding-inline:16px;
    gap:8px;
  }
  .lp-brand {
    gap:6px;
  }
  .lp-brand-text {
    font-size:24px;
  }
  .lp-brand-text small {
    font-size:10px;
  }
  .lp-brand-icon {
    width:39px;
    height:39px;
  }
  .lp-nav {
    display:none;
  }
  .lp-header-actions {
    gap:0;
  }
  .lp-header-actions .lp-btn-primary {
    font-size:12px;
    padding:10px 12px;
    gap:7px;
  }
  .lp-search-toggle {
    width:36px;
  }
  .lp-hero {
    padding:23px 18px 26px;
    min-height:0;
  }
  .lp-hero-art {
    background-size:auto 355px;
    opacity:.15;
  }
  .lp-badge {
    font-size:10px;
    gap:6px;
    padding-right:10px;
    max-width:100%;
    margin-bottom:18px;
  }
  .lp-badge strong {
    font-size:11px;
    padding:5px 9px;
    white-space:nowrap;
  }
  .lp-hero h1 {
    font-size:30px;
    line-height:1.24;
    letter-spacing:-.8px;
  }
  .lp-hero h1 br {
    display:none;
  }
  .lp-hero-sub {
    font-size:15px;
    line-height:1.6;
    margin-top:13px;
  }
  .lp-choice-row {
    margin-top:24px;
    max-width:430px;
  }
  .lp-choice-cards {
    grid-template-columns:1fr;
    gap:12px;
  }
  .lp-choice-card {
    padding:15px 17px 12px;
    min-height:0;
  }
  .lp-choice-top {
    margin-bottom:12px;
    min-height:58px;
  }
  .lp-choice-card h2 {
    font-size:19px;
  }
  .lp-choice-card p {
    font-size:13px;
  }
  .lp-choice-card .lp-btn {
    min-height:44px;
  }
  .lp-choice-card--code .lp-choice-top {
    margin-bottom:12px;
  }
  .lp-join-form input {
    height:44px;
    font-size:14px;
  }
  .lp-choice-card .lp-choice-domain {
    font-size:12px;
  }
  .lp-ecosystem {
    padding:18px 18px 0;
  }
  .lp-ecosystem h2 {
    font-size:24px;
  }
  .lp-ecosystem-sub {
    font-size:14px;
    line-height:1.5;
    margin:8px 0 22px;
  }
  .lp-ecosystem-grid {
    grid-template-columns:1fr;
    max-width:430px;
    margin:auto;
    gap:16px;
  }
  .lp-eco-title h3 {
    font-size:23px;
  }
  .lp-eco-title p {
    font-size:13px;
  }
  .lp-footer {
    padding:20px 12px;
  }
  .lp-footer::before,.lp-footer::after {
    display:none;
  }
  .lp-footer-tagline {
    padding:13px 22px;
    gap:10px;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  * {
    transition:none!important;
  }
}
.lp-choice-icon svg {
  width:39px;
  height:39px;
  fill:currentColor;
}
.lp-choice-card--teacher .lp-choice-icon {
  color:#2965b0;
}
.lp-choice-card--student .lp-choice-icon {
  color:#075fff;
}
.lp-choice-card--code .lp-choice-icon {
  color:#00ac4c;
}
.lp-art-caption,.lp-art-note {
  position:absolute;
  font-family:"Segoe Print","Comic Sans MS",cursive;
  font-style:italic;
  line-height:1.35;
  text-align:center;
  pointer-events:none;
}
.lp-art-caption {
  top:50px;
  font-size:15px;
  padding:13px 17px;
  border-radius:38px 20px 35px 10px;
  transform:rotate(-7deg);
}
.lp-art-caption--teacher {
  left:18%;
  background:#fff9dcd9;
  color:#59677f;
}
.lp-art-caption--student {
  right:1.5%;
  background:#f0f9ffe8;
  color:#2083f7;
}
.lp-art-note {
  bottom:5px;
  font-size:20px;
  color:#4095eb;
  margin:0;
  transform:rotate(-8deg);
}
.lp-art-note--teacher {
  left:5.5%;
}
.lp-art-note--student {
  right:5.5%;
}
@media(max-width:1250px) {
  .lp-art-caption,.lp-art-note {
    display:none;
  }
}

/* Reference-matched desktop composition. Only decorative side artwork is clipped
   from the supplied image; all central content and controls remain live HTML. */
@media (min-width:1051px) {
  body { font-family: Arial, "Segoe UI", sans-serif; }
  .lp-hero { min-height:513px; padding-top:28px; }
  .lp-hero-art { width:min(100%,1586px); left:50%; right:auto; transform:translateX(-50%); background:none; --art-width:min(100vw,1586px); }
  .lp-hero-art::before,.lp-hero-art::after { content:""; position:absolute; top:0; bottom:0; background-image:url('/assets/landing/reference-art-v1.png'); background-size:var(--art-width) auto; background-repeat:no-repeat; }
  .lp-hero-art::before { left:0; width:25.15%; background-position:left calc(var(--art-width) * -0.044136); }
  .lp-hero-art::after { right:0; width:23.1%; background-position:right calc(var(--art-width) * -0.044136); }
  .lp-art-caption,.lp-art-note { display:none; }
  .lp-hero h1 { font-size:44px; line-height:1.18; letter-spacing:-1.1px; font-weight:800; }
  .lp-hero-sub { margin-top:10px; font-size:21px; line-height:1.3; }
  .lp-choice-row { max-width:822px; margin-top:25px; transform:translateX(16px); }
  .lp-choice-cards { grid-template-columns:258fr 254fr 288fr; }
  .lp-choice-card { height:191px; min-height:191px; padding-top:16px; }
  .lp-choice-top { min-height:70px; margin-bottom:13px; }
  .lp-choice-card h2 { font-size:18px; }
  .lp-choice-card p { font-size:12px; }
  .lp-choice-card .lp-choice-domain { font-size:14px; }
  .lp-choice-card--code .lp-choice-domain { font-size:13px; }
  .lp-choice-card>.lp-btn { margin-top:13px; }
  .lp-btn { font-size:14px; }
  .lp-ecosystem h2 { font-size:29px; }
  .lp-ecosystem-sub { margin-bottom:20px; }
  .lp-eco-card ul { font-size:13px; }
  .lp-eco-title h3 { font-size:21px; }
  .lp-header-inner { gap:22px; }
  .lp-nav { margin-left:50px; margin-right:auto; gap:35px; }
  .lp-brand { margin-right:80px; }
}
@media (min-width:1051px) and (max-width:1350px) {
  .lp-brand { margin-right:10px; }
  .lp-nav { margin-left:10px; gap:22px; }
  .lp-choice-row { transform:none; }
  .lp-hero h1 { font-size:36px; }
  .lp-hero-art::before,.lp-hero-art::after { opacity:.65; }
}

@media(min-width:1051px){
 .lp-hero-art::before{width:27.74%;clip-path:polygon(0 0,100% 0,100% 32%,90.66% 32%,90.66% 100%,0 100%)}
 .lp-hero h1{font-family:"Segoe UI",Arial,sans-serif;font-size:42px;font-weight:700;letter-spacing:-1.2px;line-height:1.23}
 .lp-choice-row{margin-top:21px}
 .lp-choice-card>.lp-btn{margin-top:0}
 .lp-choice-top{margin-bottom:12px}
 .lp-choice-card--code{padding-left:23px;padding-right:23px}
 .lp-choice-card--code .lp-choice-top{column-gap:16px}
 .lp-hero-sub{font-size:20px;line-height:1.4}
 .lp-ecosystem h2{font-family:"Segoe UI",Arial,sans-serif;font-weight:700}
}
@media(min-width:1051px) and (max-width:1350px){.lp-hero h1{font-size:36px}}