:root {
  --ink:#172d38;
  --muted:#53616a;
  --paper:#fbfaf6;
  --line:#dfe3db;
  --gold:#e0be72;
  --sage:#dde8dc;
  --serif:Georgia,'Times New Roman',serif;
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}
body {
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  line-height:1.65;
}
a {
  color:inherit;
  text-decoration:none;
}
a:focus-visible,summary:focus-visible {
  outline:3px solid #795608;
  outline-offset:5px;
  border-radius:3px;
}
h1,h2,h3,p,figure {
  margin:0;
}
h1,h2,h3 {
  line-height:1.18;
}
p {
  color:var(--muted);
}
.container {
  width:min(1180px,calc(100% - 64px));
  margin-inline:auto;
}
.section-pad {
  padding-block:100px;
}
.skip-link {
  position:absolute;
  top:-100px;
  left:20px;
  background:var(--ink);
  color:white;
  padding:12px;
  z-index:10;
}
.skip-link:focus {
  top:12px;
}
.site-header {
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.header-inner {
  min-height:94px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand {
  display:inline-flex;
  gap:11px;
  align-items:center;
  font-size:24px;
  font-weight:740;
  letter-spacing:-1px;
}
.brand-light {
  font-weight:400;
}
.brand svg {
  width:38px;
  height:38px;
  fill:var(--ink);
}
.brand path {
  fill:none;
  stroke:var(--gold);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
nav {
  display:flex;
  gap:30px;
  font-size:14px;
  font-weight:550;
}
nav a:hover,.text-link:hover {
  text-decoration:underline;
  text-underline-offset:6px;
}
.header-cta {
  font-size:13px;
  font-weight:650;
  display:flex;
  gap:26px;
  padding:10px 18px;
  border:1px solid #acb5ad;
  border-radius:30px;
}
.hero {
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:55px;
  align-items:center;
  padding-block:88px 78px;
  min-height:700px;
}
.eyebrow {
  font-size:11px;
  font-weight:700;
  letter-spacing:1.8px;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:24px;
}
.status-dot {
  width:7px;
  height:7px;
  background:#6d7e43;
  border-radius:50%;
}
h1 {
  font-size:clamp(42px,4.4vw,65px);
  font-weight:550;
  letter-spacing:-2.8px;
}
h1 em {
  font-family:var(--serif);
  font-weight:400;
  color:#6c774e;
  letter-spacing:-1.5px;
}
.hero-description {
  max-width:470px;
  font-size:15px;
  margin-top:28px;
}
.hero-description strong {
  font-weight:500;
  color:var(--ink);
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
  margin-top:30px;
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:26px;
  padding:15px 23px;
  border-radius:8px;
  font-size:13px;
  font-weight:650;
  min-height:50px;
}
.button-primary {
  background:var(--ink);
  color:#fff;
}
.button-primary:hover {
  background:#2a4550;
}
.text-link {
  font-size:13px;
  font-weight:600;
}
.release-note {
  font-size:12px;
  margin-top:19px;
}
.hero-visual {
  position:relative;
  min-height:480px;
  display:flex;
  justify-content:center;
  align-items:center;
  padding-top:30px;
}
.visual-orbit {
  position:absolute;
  width:100%;
  aspect-ratio:1;
  max-height:460px;
  max-width:460px;
  border-radius:50%;
  background:#edf0e5;
  box-shadow:0 0 0 20px #f4f4eb;
  z-index:-1;
}
.study-preview {
  width:340px;
  background:white;
  border:1px solid #d8dfd3;
  padding:24px;
  border-radius:20px;
  box-shadow:0 24px 55px #172d3812;
  transform:rotate(3deg);
  position:relative;
}
.preview-top {
  display:flex;
  gap:9px;
  align-items:center;
  font-size:10px;
  padding-bottom:22px;
  border-bottom:1px solid #e8ece6;
}
.preview-top>span:last-child {
  margin-left:auto;
  font-size:18px;
  color:#877034;
}
.mini-brand {
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-3px;
}
.mini-brand span {
  color:#758258;
}
.preview-kicker {
  font-size:9px;
  letter-spacing:1.3px;
  margin-top:26px;
}
.study-preview h2 {
  font-size:34px;
  font-weight:500;
  letter-spacing:-1.2px;
  margin:9px 0 22px;
}
.preview-lesson {
  display:flex;
  gap:11px;
  align-items:center;
  border-top:1px solid #e8ece6;
  padding:17px 0;
  font-size:11px;
}
.lesson-number {
  width:30px;
  height:32px;
  border-radius:6px;
  display:grid;
  place-items:center;
  background:#f0f2e9;
  color:#617143;
  font-size:10px;
}
.preview-lesson strong {
  font-weight:600;
}
.preview-lesson p {
  font-size:9px;
  margin-top:3px;
}
.preview-lesson>span:last-child {
  margin-left:auto;
}
.preview-footer {
  background:#f4f5ef;
  padding:12px 7px;
  border-radius:8px;
  font-size:9px;
  display:flex;
  gap:8px;
  align-items:center;
}
.preview-footer span {
  font-size:19px;
}
.source-note {
  position:absolute;
  top:1px;
  left:0;
  display:flex;
  align-items:center;
  gap:11px;
  z-index:2;
  padding:15px 18px;
  background:#f5e7c9;
  border:1px solid #e4d4b2;
  border-radius:10px;
  box-shadow:0 8px 20px #172d3807;
  font-size:11px;
  transform:rotate(-6deg);
}
.source-note small {
  color:#716a56;
  font-size:9px;
}
.paper-icon {
  font-size:28px;
  color:#816e40;
}
.hero-visual figcaption {
  position:absolute;
  bottom:-25px;
  font-size:10px;
  letter-spacing:.3px;
  color:var(--muted);
}
.features {
  background:#f0f2eb;
  border-block:1px solid #e3e8dc;
}
.section-heading {
  max-width:620px;
}
.section-heading h2,.information h2 {
  font-size:clamp(32px,3.3vw,46px);
  font-weight:500;
  letter-spacing:-1.8px;
}
.section-heading>p:last-child {
  margin-top:20px;
  font-size:15px;
  max-width:520px;
}
.feature-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  margin-top:55px;
}
.feature-icon {
  height:40px;
  width:40px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:#e1e7d8;
  font-size:24px;
  color:#52613c;
  margin-bottom:24px;
}
.feature h3 {
  font-size:17px;
  font-weight:600;
  margin-bottom:12px;
}
.feature p {
  font-size:13px;
  line-height:1.8;
}
.mode-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:44px;
}
.mode-card {
  padding:30px;
  border-radius:14px;
  display:flex;
  flex-direction:column;
  min-height:370px;
}
.mode-top {
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:9px;
  font-weight:600;
  letter-spacing:1.3px;
}
.mode-top>span:last-child {
  font-size:21px;
  line-height:1;
}
.mode-card h3 {
  font-size:35px;
  font-weight:500;
  letter-spacing:-1px;
  margin-top:34px;
}
.mode-card p {
  font-size:13px;
  margin-block:18px 28px;
  line-height:1.85;
}
.mode-caption {
  font-size:11px;
  border-top:1px solid #172d3820;
  padding-top:16px;
  margin-top:auto;
}
.mode-dark {
  background:var(--ink);
  color:#fff;
}
.mode-dark p {
  color:#d1dedf;
}
.mode-dark .mode-top {
  color:var(--gold);
}
.mode-dark .mode-caption {
  border-color:#ffffff35;
  color:#e3e9e6;
}
.mode-sage {
  background:var(--sage);
}
.mode-sand {
  background:#f0e6d2;
}
.how {
  background:white;
  border-block:1px solid var(--line);
}
.how-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:90px;
}
.steps {
  list-style:none;
  padding:0;
  margin:0;
}
.steps li {
  display:flex;
  gap:24px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.steps li:first-child {
  padding-top:0;
}
.steps li:last-child {
  border-bottom:0;
  padding-bottom:0;
}
.step-marker {
  font-size:12px;
  font-weight:600;
  color:#647044;
  line-height:1.6;
  padding-top:1px;
}
.steps h3 {
  font-size:17px;
  font-weight:600;
  margin-bottom:10px;
}
.steps p {
  font-size:13px;
}
.information {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:90px;
}
.information-intro h2 {
  margin-bottom:24px;
}
.information-intro p:not(.eyebrow) {
  font-size:14px;
  margin-bottom:18px;
}
.information-intro .product-status {
  color:var(--ink);
  max-width:390px;
}
.questions {
  border-top:1px solid var(--line);
  align-self:center;
}
.questions details {
  border-bottom:1px solid var(--line);
  padding-block:22px;
}
.questions summary {
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  padding-right:6px;
}
.questions details p {
  font-size:13px;
  padding-top:14px;
  line-height:1.9;
}
.site-footer {
  border-top:1px solid var(--line);
}
.footer-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-block:30px;
}
.footer-inner .brand {
  font-size:20px;
}
.footer-inner p,.footer-status {
  font-size:11px;
  color:var(--muted);
}
@media(min-width:1500px) {
  .hero {
    gap:90px;
  }
}
@media(max-width:1000px) {
  .hero {
    gap:25px;
    grid-template-columns:1fr 1fr;
  }
  .hero-actions {
    gap:15px;
  }
  .feature-grid {
    grid-template-columns:repeat(2,1fr);
    gap:38px;
  }
  .mode-card {
    padding:24px;
  }
  .how-layout,.information {
    gap:45px;
  }
  .source-note {
    left:-5px;
  }
  .study-preview {
    width:310px;
  }
  .mode-card h3 {
    font-size:30px;
  }
}
@media(max-width:720px) {
  .container {
    width:calc(100% - 40px);
  }
  .header-inner {
    min-height:82px;
    flex-wrap:wrap;
    gap:10px;
    padding-block:18px;
  }
  .brand {
    font-size:23px;
  }
  .header-cta {
    margin-left:auto;
    font-size:12px;
    padding:7px 12px;
    gap:15px;
  }
  nav {
    order:3;
    width:100%;
    justify-content:space-between;
    gap:15px;
    margin-top:8px;
    font-size:12px;
  }
  nav a {
    padding-block:7px;
  }
  .hero {
    grid-template-columns:1fr;
    gap:52px;
    padding-top:46px;
    padding-bottom:75px;
    min-height:0;
  }
  .hero-copy {
    max-width:520px;
  }
  .eyebrow {
    font-size:10px;
    letter-spacing:1.3px;
    margin-bottom:21px;
  }
  h1 {
    font-size:clamp(37px,8.7vw,58px);
    letter-spacing:-1.9px;
  }
  .hero-description {
    font-size:14px;
    max-width:470px;
    margin-top:24px;
  }
  .hero-actions {
    align-items:flex-start;
    gap:20px;
  }
  .button {
    font-size:12px;
    padding:14px 20px;
  }
  .hero-visual {
    min-height:450px;
    max-width:470px;
    width:100%;
    margin-inline:auto;
  }
  .study-preview {
    width:min(310px,calc(100% - 20px));
    padding:22px;
  }
  .source-note {
    left:0;
    top:0;
  }
  .visual-orbit {
    width:calc(100% - 30px);
  }
  .section-pad {
    padding-block:65px;
  }
  .section-heading h2,.information h2 {
    font-size:34px;
    letter-spacing:-1.2px;
  }
  .section-heading>p:last-child {
    font-size:14px;
  }
  .feature-grid {
    gap:32px 22px;
    margin-top:36px;
  }
  .feature h3 {
    font-size:15px;
    line-height:1.35;
  }
  .feature p {
    font-size:12px;
  }
  .feature-icon {
    margin-bottom:18px;
  }
  .mode-grid {
    grid-template-columns:1fr;
    gap:16px;
    margin-top:32px;
  }
  .mode-card {
    min-height:0;
    padding:28px;
  }
  .mode-card h3 {
    margin-top:24px;
    font-size:34px;
  }
  .mode-card h3 br {
    display:none;
  }
  .mode-card p {
    max-width:500px;
    margin-bottom:23px;
  }
  .how-layout,.information {
    grid-template-columns:1fr;
    gap:36px;
  }
  .steps li {
    gap:20px;
    padding-block:22px;
  }
  .steps h3 {
    font-size:16px;
  }
  .information-intro p:not(.eyebrow) {
    max-width:500px;
  }
  .footer-inner {
    flex-wrap:wrap;
    gap:13px;
  }
  .footer-inner p {
    margin-left:auto;
  }
  .footer-status {
    width:100%;
  }
  .hero-visual figcaption {
    bottom:-28px;
  }
  .study-preview h2 {
    font-size:32px;
  }
}
@media(max-width:359px) {
  .container {
    width:calc(100% - 32px);
  }
  .feature-grid {
    grid-template-columns:1fr;
  }
  .hero-visual {
    min-height:440px;
  }
  .brand svg {
    width:32px;
    height:32px;
  }
  .header-cta {
    font-size:11px;
  }
  .mode-card {
    padding:23px;
  }
  .hero-actions .button {
    width:100%;
  }
  .footer-inner p {
    margin-left:0;
    width:100%;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
}
.arrow-icon {
  width:16px;
  height:16px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
  vertical-align:middle;
}
.feature-icon .arrow-icon {
  width:23px;
  height:23px;
}