@font-face {
  font-family: 'Source Sans 3';
  src: url('../fonts/SourceSans3-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Source Sans 3';
  src: url('../fonts/SourceSans3-Semibold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Source Sans 3';
  src: url('../fonts/SourceSans3-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
:root {
  color-scheme: light;
  --navy: #001b33;
  --brand: #1266cc;
  --tint: #eaf2fc;
  --bg: #f5f8fc;
  --paper: #fff;
  --ink: #253342;
  --muted: #52616b;
  --line: #d6e0e8;
  --ok: #166347;
  --error: #b42332;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #edf2f7;
  color: var(--ink);
  font:
    18px/1.55 'Source Sans 3',
    'Segoe UI',
    Arial,
    sans-serif;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #2864b4;
  outline-offset: 4px;
}
a {
  color: var(--brand);
}
button:disabled {
  cursor: default;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.6px;
  color: var(--navy);
}
h2 {
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--navy);
}
h3 {
  font-size: 18px;
  line-height: 1.35;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 14px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
}
.review {
  max-width: 1440px;
  margin: auto;
  padding: 28px 32px 18px;
}
.review h2 {
  font-size: 23px;
}
.review p {
  margin-top: 8px;
  max-width: 830px;
}
.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.tabs button {
  min-height: 44px;
  border: 1px solid #b5c4d3;
  padding: 10px 18px;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
}
.tabs button[aria-selected='true'] {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
}
.board {
  margin: 0 24px 32px;
  background: var(--bg);
  border: 1px solid #c9d5df;
  border-radius: 8px;
  overflow: hidden;
  min-height: 640px;
}
.view[hidden] {
  display: none;
}
.brand {
  font-size: 18px;
  letter-spacing: -0.5px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brandmark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--brand);
  color: white;
  font-size: 20px;
}
.topbar {
  padding: 22px 5%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border-bottom: 1px solid var(--line);
}
.links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
}
.demo-link {
  color: var(--muted);
}
.primary,
.secondary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 11px 20px;
  border-radius: 6px;
  border: 0;
  font-weight: 600;
  text-decoration: none;
}
.primary {
  background: var(--brand);
  color: white;
}
.secondary {
  background: white;
  color: var(--navy);
  border: 1px solid var(--line);
}
.hero {
  max-width: 1200px;
  margin: auto;
  padding: 64px 40px 48px;
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  margin: 18px 0 22px;
}
.hero .intro {
  font-size: 18px;
  color: var(--muted);
  max-width: 530px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 16px;
}
.surface {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}
.plan-preview {
  box-shadow: none;
}
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 7px;
  background: var(--tint);
  color: var(--brand);
}
.progress {
  height: 8px;
  background: #e5edea;
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0 8px;
}
.progress span {
  display: block;
  height: 100%;
  width: 60%;
  background: var(--brand);
}
.mini-task {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.mini-task:last-child {
  border: 0;
  padding-bottom: 0;
}
.taskicon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--tint);
  border-radius: 6px;
  color: var(--brand);
  font-weight: 600;
  flex-shrink: 0;
}
.stretch {
  flex: 1;
}
.section {
  max-width: 1200px;
  margin: auto;
  padding: 0 40px 48px;
}
.search {
  display: flex;
  gap: 10px;
  margin: 22px 0;
}
.search input {
  min-width: 0;
  flex: 1;
  padding: 14px 16px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
}
.cardgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.course h3 {
  margin: 12px 0 8px;
}
.course .small {
  margin-bottom: 20px;
}
.shell {
  display: grid;
  grid-template-columns: 228px 1fr;
  min-height: 700px;
}
.workspace {
  padding: 30px 36px;
  min-width: 0;
}
.workspace-header {
  margin-bottom: 30px;
}
.workspace-header p {
  margin-top: 8px;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
}
.focus {
  background: var(--navy);
  color: white;
  border: 0;
  padding: 28px;
}
.focus h2 {
  color: white;
  font-size: 26px;
  margin: 16px 0 12px;
}
.focus p {
  color: #dbe5ef;
}
.focus .primary {
  margin-top: 24px;
  background: #fff;
  color: var(--navy);
}
.focus .badge {
  background: #ffffff18;
  color: #fff;
}
.focus .small {
  color: #dbe5ef;
}
.stack {
  display: grid;
  gap: 20px;
  align-content: start;
}
.list {
  margin-top: 20px;
}
.list .surface {
  margin-top: 12px;
  padding: 20px;
}
.week {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  margin: 22px 0;
}
.day {
  display: grid;
  gap: 10px;
  text-align: center;
  font-size: 13px;
}
.day b {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  background: var(--tint);
  border-radius: 50%;
  color: var(--brand);
}
.day.current b {
  background: var(--brand);
  color: white;
}
.plan-note {
  background: var(--tint);
  padding: 16px;
  border-radius: 6px;
  margin-top: 18px;
}
.preview-caption {
  text-align: center;
  padding: 24px 16px 12px;
  color: var(--muted);
  font-size: 14px;
}
.phone {
  max-width: 390px;
  margin: 0 auto 32px;
  border: 7px solid var(--navy);
  border-radius: 36px;
  background: var(--bg);
  overflow: hidden;
}
.phone-top {
  padding: 20px 20px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: white;
}
.avatar {
  width: 34px;
  height: 34px;
  background: var(--tint);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brand);
  font-weight: 600;
}
.phone-body {
  padding: 20px;
}
.phone-body h2 {
  font-size: 27px;
  margin-top: 8px;
}
.phone-body > .muted {
  margin: 8px 0 24px;
}
.phone .focus {
  padding: 22px;
}
.phone .focus h2 {
  font-size: 23px;
}
.phone .primary {
  width: 100%;
}
.phone .list h3 {
  margin-bottom: 12px;
}
.phone .surface {
  padding: 18px;
}
.bottomnav {
  display: flex;
  justify-content: space-around;
  gap: 6px;
  padding: 14px 10px 18px;
  background: white;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.bottomnav span {
  display: grid;
  text-align: center;
  gap: 3px;
}
.bottomnav .active {
  color: var(--brand);
  font-weight: 700;
}
.quiz-wrap {
  max-width: 800px;
  margin: auto;
  padding: 32px;
}
.quiz-title {
  margin: 30px 0 22px;
  font-size: 24px;
}
.question {
  font-size: 21px;
  line-height: 1.5;
  margin: 24px 0;
}
.answers {
  display: grid;
  gap: 12px;
}
.answer {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  width: 100%;
  background: white;
  border: 1px solid #7b8c9b;
  border-radius: 6px;
  min-height: 60px;
  padding: 14px 18px;
  color: var(--ink);
}
.letter {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--bg);
  border-radius: 8px;
  flex-shrink: 0;
}
.answer[aria-pressed='true'] {
  border: 2px solid var(--brand);
  padding: 13px 17px;
  background: var(--tint);
}
.answer.correct {
  border: 2px solid var(--ok);
  padding: 13px 17px;
  background: #edf7f1;
}
.answer.wrong {
  border: 2px solid var(--error);
  padding: 13px 17px;
  background: #fff0f1;
}
.answer-status {
  margin-left: auto;
  font-weight: 600;
  font-size: 14px;
}
.feedback {
  margin-top: 24px;
  background: var(--tint);
  border-radius: 6px;
  padding: 22px;
}
.feedback h3 {
  color: var(--brand);
  margin-bottom: 10px;
}
.feedback p + p {
  margin-top: 12px;
}
.quiz-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}
.quiz-footer .primary:disabled {
  opacity: 0.55;
}
.tokens {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 32px;
}
.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 16px 0;
}
.swatch {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.swatch i {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid #b5c4d3;
}
@media (min-width: 1500px) {
  .board {
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
  }
}
@media (max-width: 1100px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 1100px) {
  .dashboard-grid > aside {
    display: none;
  }
}
@media (max-width: 1100px) {
  .hero {
    gap: 28px;
  }
}
@media (max-width: 1100px) {
  .links {
    gap: 16px;
  }
}
@media (max-width: 1100px) {
  .shell {
    grid-template-columns: 190px 1fr;
  }
}
@media (max-width: 1100px) {
  .workspace {
    padding: 26px;
  }
}
@media (max-width: 767px) {
  .review {
    padding: 24px 16px 18px;
  }
}
@media (max-width: 767px) {
  .board {
    margin: 0 10px 24px;
    border-radius: 8px;
  }
}
@media (max-width: 767px) {
  .links {
    display: none;
  }
}
@media (max-width: 767px) {
  .topbar {
    padding: 18px;
  }
}
@media (max-width: 767px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 36px 22px;
    gap: 32px;
  }
}
@media (max-width: 767px) {
  .hero h1 {
    font-size: 36px;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 0 22px 32px;
  }
}
@media (max-width: 767px) {
  .cardgrid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767px) {
  .search {
    flex-direction: column;
  }
}
@media (max-width: 767px) {
  .shell {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767px) {
  .workspace {
    padding: 24px 18px;
  }
}
@media (max-width: 767px) {
  .workspace-header .badge {
    display: none;
  }
}
@media (max-width: 767px) {
  .workspace-header h2 {
    font-size: 25px;
  }
}
@media (max-width: 767px) {
  .focus {
    padding: 22px;
  }
}
@media (max-width: 767px) {
  .quiz-wrap {
    padding: 24px 18px;
  }
}
@media (max-width: 767px) {
  .quiz-title {
    font-size: 22px;
  }
}
@media (max-width: 767px) {
  .question {
    font-size: 19px;
  }
}
@media (max-width: 767px) {
  .quiz-footer {
    align-items: stretch;
    flex-direction: column;
  }
}
@media (max-width: 767px) {
  .phone {
    margin-left: 10px;
    margin-right: 10px;
    max-width: 390px;
  }
}
@media (max-width: 767px) {
  .tokens {
    padding: 0 20px;
  }
}
@media (max-width: 767px) {
  .answer {
    padding: 14px 12px;
  }
}
@media (max-width: 767px) {
  .answer[aria-pressed='true'],
  .answer.correct,
  .answer.wrong {
    padding: 13px 11px;
  }
}
@media (max-width: 767px) {
  .answer-status {
    font-size: 12px;
  }
}
@media (max-width: 767px) {
  .tabs button {
    flex: 1;
    white-space: nowrap;
  }
}
@media (max-width: 767px) {
  .row {
    flex-wrap: wrap;
  }
}
.search input,
.secondary {
  border-color: #7b8c9b;
}
.day {
  font-size: 14px;
}
.eyebrow {
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: none;
  font-weight: 600;
}
h1 {
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
}
h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
}
h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
}
.primary,
.secondary,
.tabs button {
  font-size: 16px;
  line-height: 1.25;
}
.topbar {
  background: var(--brand);
  border: 0;
}
.topbar .brand,
.topbar .links,
.topbar .demo-link {
  color: white;
}
.topbar .brandmark {
  background: var(--navy);
}
.topbar > .primary {
  background: #004d99;
}
.brandmark {
  border-radius: 4px;
}
.surface {
  box-shadow: none;
}
.focus {
  background: var(--tint);
  color: var(--ink);
  border-left: 4px solid var(--brand);
}
.focus h2 {
  color: var(--navy);
}
.focus p,
.focus .small {
  color: var(--muted);
}
.focus .badge {
  background: white;
  color: #004d99;
}
.focus .primary {
  background: var(--brand);
  color: white;
}
.list .surface {
  border-width: 0 0 1px;
  border-radius: 0;
  background: transparent;
  padding-left: 0;
  padding-right: 0;
}
.course {
  border: 0;
  border-top: 2px solid var(--brand);
  border-radius: 0;
  padding: 22px 0;
  background: transparent;
}
.course h3 {
  color: #004d99;
}
.badge {
  border-radius: 4px;
  font-size: 14px;
}
.type-board {
  padding: 36px;
  max-width: 1100px;
  margin: auto;
}
.type-board > p {
  margin: 12px 0 28px;
}
.type-row {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: center;
}
.type-meta {
  font-size: 14px;
  color: var(--muted);
}
.type-meta strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}
.type-hero {
  font-size: 48px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--navy);
}
.type-section {
  font-size: 32px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--navy);
}
.type-question {
  font-size: 22px;
  line-height: 1.5;
  font-weight: 600;
}
.type-body {
  font-size: 18px;
  line-height: 1.6;
}
.type-micro {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}
.tokens h3 {
  font-size: 20px;
}
.swatches {
  gap: 20px;
}
.swatch i {
  border-radius: 4px;
}
.phone-body > .muted {
  font-size: 16px;
}
.phone-body h2 {
  line-height: 1.25;
}
.bottomnav {
  font-size: 14px;
}
.answer {
  font-size: 18px;
}
.answer-status {
  font-size: 14px;
}
.question {
  font-weight: 600;
  font-size: 22px;
  line-height: 1.5;
}
.mini-task strong {
  font-weight: 600;
}
.type-example-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.type-example-actions span {
  font-size: 16px;
}
@media (max-width: 767px) {
  h1 {
    font-size: 34px;
  }
}
@media (max-width: 767px) {
  .hero h1 {
    font-size: 34px;
  }
}
@media (max-width: 767px) {
  h2 {
    font-size: 26px;
  }
}
@media (max-width: 767px) {
  h3 {
    font-size: 20px;
  }
}
@media (max-width: 767px) {
  .type-board {
    padding: 24px 18px;
  }
}
@media (max-width: 767px) {
  .type-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
@media (max-width: 767px) {
  .type-hero {
    font-size: 34px;
  }
}
@media (max-width: 767px) {
  .type-section {
    font-size: 26px;
  }
}
@media (max-width: 767px) {
  .type-question,
  .question {
    font-size: 20px;
  }
}
@media (max-width: 767px) {
  .topbar .brand {
    font-size: 16px;
  }
}
@media (max-width: 767px) {
  .topbar {
    gap: 12px;
  }
}
@media (max-width: 767px) {
  .topbar > .primary {
    padding: 10px 12px;
  }
}
@media (max-width: 767px) {
  .phone-body {
    padding: 18px;
  }
}
@media (max-width: 767px) {
  .phone .focus h2 {
    font-size: 26px;
  }
}
