:root {
  color-scheme: light;
  --q-ink: #1f2320;
  --q-muted: #62675f;
  --q-line: #d9ddd2;
  --q-paper: #fffdf8;
  --q-panel: #f4f0e7;
  --q-panel-strong: #ebe3d5;
  --q-pine: #496a4f;
  --q-pine-dark: #2f4834;
  --q-blue: #245f8f;
  --q-blue-soft: #e8f2fa;
  --q-ember: #b64218;
  --q-gold: #c8922f;
  --q-white: #ffffff;
  --q-shadow: 0 18px 45px rgba(25, 30, 24, 0.1);
  --q-radius: 8px;
}

* {
  box-sizing: border-box;
}

body.ux-page {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #fffaf0 0%, #f0f3ea 48%, #eef5f7 100%);
  color: var(--q-ink);
  font-family: Montserrat, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.ux-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 56px;
}

.ux-home-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 18px 0 24px;
}

.ux-topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--q-shadow);
  backdrop-filter: blur(16px);
}

.ux-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  text-decoration: none;
}

.ux-brand img {
  width: 48px;
  height: 48px;
  border-radius: var(--q-radius);
  object-fit: contain;
  background: var(--q-white);
  border: 1px solid rgba(31, 35, 32, 0.08);
  padding: 4px;
}

.ux-brand > span {
  display: block;
  margin-top: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: 0;
  text-transform: none;
}

.ux-brand strong {
  display: block;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 1.12rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.ux-brand > span > span {
  display: block;
  margin-top: 2px;
  color: var(--q-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ux-nav,
.ux-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.ux-header-tools {
  justify-content: flex-end;
}

.ux-language-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid rgba(31, 35, 32, 0.1);
  border-radius: var(--q-radius);
  background: var(--q-panel);
  color: var(--q-muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.ux-language-pill strong {
  color: var(--q-ink);
  letter-spacing: 0.08em;
}

.ux-language-pill select {
  min-height: 22px;
  border: 0;
  background: transparent;
  color: var(--q-ink);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.ux-language-pill select:focus-visible {
  outline: 2px solid var(--q-blue);
  outline-offset: 3px;
}

.ux-nav a,
.ux-actions a,
.ux-button,
.ux-pill-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid rgba(31, 35, 32, 0.1);
  border-radius: var(--q-radius);
  background: var(--q-white);
  color: var(--q-ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.ux-nav a {
  padding: 9px 11px;
}

.ux-actions a,
.ux-button,
.ux-pill-button {
  padding: 10px 14px;
}

.ux-nav a:hover,
.ux-actions a:hover,
.ux-button:hover,
.ux-pill-button:hover {
  border-color: rgba(31, 35, 32, 0.22);
  background: #f8faf5;
  transform: translateY(-1px);
}

.ux-button.primary,
.ux-actions .primary {
  border-color: var(--q-pine);
  background: var(--q-pine);
  color: var(--q-white);
}

.ux-button.primary:hover,
.ux-actions .primary:hover {
  border-color: var(--q-pine-dark);
  background: var(--q-pine-dark);
}

.ux-button.blue {
  border-color: var(--q-blue);
  background: var(--q-blue);
  color: var(--q-white);
}

.ux-button.blue:hover {
  border-color: #194b73;
  background: #194b73;
}

.ux-button.ember {
  border-color: var(--q-ember);
  background: var(--q-ember);
  color: var(--q-white);
}

.ux-home {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding-top: 18px;
}

.ux-home-hero {
  padding: 34px 38px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background:
    linear-gradient(145deg, rgba(31, 35, 32, 0.96) 0%, rgba(47, 72, 52, 0.94) 58%, rgba(36, 95, 143, 0.9) 100%);
  color: var(--q-white);
  box-shadow: var(--q-shadow);
}

.ux-home-hero h1 {
  max-width: 760px;
  margin: 12px 0 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 5rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.ux-home-lead,
.ux-home-subcopy,
.ux-home-close {
  max-width: 780px;
  margin: 0;
}

.ux-home-lead {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.45rem;
  font-weight: 700;
}

.ux-home-subcopy {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.02rem;
}

.ux-home-close {
  margin-top: 8px;
  color: #ffd5b7;
  font-size: 0.96rem;
  font-weight: 700;
}

.ux-home-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.ux-home-card {
  min-height: 224px;
}

.ux-home-card h2 {
  margin: 12px 0 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 1.5rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.ux-progress-line {
  margin: 0;
  color: var(--q-muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
}

.ux-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 22px;
}

.ux-hero-main,
.ux-status-card,
.ux-section,
.ux-card,
.ux-note {
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--q-shadow);
}

.ux-hero-main {
  min-height: 360px;
  padding: 38px;
  background:
    linear-gradient(145deg, rgba(31, 35, 32, 0.95) 0%, rgba(49, 72, 52, 0.94) 62%, rgba(36, 95, 143, 0.9) 100%);
  color: var(--q-white);
}

.ux-eyebrow {
  margin: 0;
  color: #ffd5b7;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ux-hero-main h1,
.ux-page-title {
  max-width: 820px;
  margin: 14px 0 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 3rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.ux-hero-main p:not(.ux-eyebrow),
.ux-page-lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
}

.ux-hero-actions,
.ux-card-actions,
.ux-status-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.ux-status-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
}

.ux-status-card h2,
.ux-section h2,
.ux-card h3,
.ux-note h2 {
  margin: 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  letter-spacing: 0;
}

.ux-status-card h2 {
  font-size: 1.45rem;
}

.ux-status-card p {
  margin: 0;
  color: var(--q-muted);
}

.ux-state-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background: var(--q-panel);
}

.ux-state-tabs button {
  min-height: 38px;
  border: 0;
  border-radius: calc(var(--q-radius) - 2px);
  background: transparent;
  color: var(--q-muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}

.ux-state-tabs button[aria-pressed="true"] {
  background: var(--q-white);
  color: var(--q-ink);
  box-shadow: 0 8px 18px rgba(31, 35, 32, 0.08);
}

.ux-status-panel[hidden] {
  display: none;
}

.ux-page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.ux-section {
  margin-top: 22px;
  padding: 26px;
}

.ux-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.ux-section-header p {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--q-muted);
}

.ux-section h2 {
  font-size: 2rem;
}

.ux-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 22px;
}

.ux-card.learning {
  border-top: 4px solid var(--q-pine);
}

.ux-card.practice {
  border-top: 4px solid var(--q-blue);
}

.ux-card.quick {
  border-top: 4px solid var(--q-ember);
}

.ux-card.members {
  border-top: 4px solid var(--q-gold);
}

.ux-card.course {
  border-top: 4px solid var(--q-gold);
}

.ux-card h3 {
  margin-top: 12px;
  font-size: 1.48rem;
}

.ux-card p {
  margin: 12px 0 0;
  color: var(--q-muted);
}

.ux-card-actions {
  margin-top: auto;
  padding-top: 22px;
}

.ux-card-kicker,
.ux-tag,
.ux-progress-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ux-card-kicker {
  padding: 6px 9px;
  background: var(--q-panel);
  color: var(--q-muted);
}

.ux-tag {
  min-height: 28px;
  padding: 4px 9px;
  background: var(--q-blue-soft);
  color: #18496f;
}

.ux-progress-badge {
  min-height: 30px;
  padding: 5px 10px;
  background: var(--q-panel);
  color: var(--q-muted);
}

.ux-progress-badge.started {
  background: #e9f2e8;
  color: #315a38;
}

.ux-progress-badge.done {
  background: #e6f2fa;
  color: #18496f;
}

.ux-progress-badge.review {
  background: #fff3d4;
  color: #72531a;
}

.ux-continuity {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 16px;
}

.ux-note {
  padding: 24px;
}

.ux-note p {
  margin: 10px 0 0;
  color: var(--q-muted);
}

.ux-concepts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ux-concept-card {
  min-height: 190px;
}

.ux-concept-card h3 {
  font-size: 1.2rem;
}

.ux-concept-card p {
  font-size: 0.92rem;
}

.ux-school-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 18px;
  align-items: start;
  margin-top: 22px;
}

.ux-school-intro {
  position: sticky;
  top: 112px;
}

.ux-difference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.ux-difference {
  min-height: 118px;
  padding: 16px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background: var(--q-white);
}

.ux-difference strong {
  display: block;
  font-family: "Space Grotesk", Montserrat, sans-serif;
}

.ux-difference span {
  display: block;
  margin-top: 8px;
  color: var(--q-muted);
  font-size: 0.88rem;
}

.ux-lesson-list {
  display: grid;
  gap: 12px;
}

.ux-lesson-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
}

.ux-lesson-card h3 {
  font-size: 1.25rem;
}

.ux-lesson-card .ux-card-actions {
  margin-top: 16px;
  padding-top: 0;
}

.ux-lesson-status {
  display: flex;
  justify-content: flex-end;
}

.ux-mini-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.ux-footer-note {
  margin-top: 22px;
  color: var(--q-muted);
  font-size: 0.9rem;
}

.ux-school-page {
  width: min(1280px, calc(100% - 32px));
  padding-bottom: 34px;
}

.ux-school-topbar {
  position: static;
}

.ux-school-nav {
  flex: 1;
  justify-content: center;
}

.ux-school-main {
  display: grid;
  gap: 14px;
  padding-top: 18px;
}

.ux-school-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 238px;
  padding: 30px 34px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background:
    linear-gradient(145deg, rgba(31, 35, 32, 0.96) 0%, rgba(47, 72, 52, 0.94) 62%, rgba(36, 95, 143, 0.9) 100%);
  color: var(--q-white);
  box-shadow: var(--q-shadow);
}

.ux-school-hero h1 {
  max-width: 720px;
  margin: 10px 0 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 3.25rem;
  line-height: 1;
  letter-spacing: 0;
}

.ux-school-lead,
.ux-school-support {
  max-width: 760px;
  margin: 0;
}

.ux-school-lead {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
  font-weight: 700;
}

.ux-school-support {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.96rem;
}

.ux-school-hero-actions {
  display: grid;
  gap: 10px;
  min-width: 210px;
}

.ux-school-progress-line {
  margin: 0;
  padding: 10px 14px;
  border: 1px solid rgba(31, 35, 32, 0.08);
  border-radius: var(--q-radius);
  background: rgba(255, 255, 255, 0.68);
  color: var(--q-muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.ux-school-concepts {
  display: grid;
  gap: 12px;
}

.ux-concepts-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.ux-concepts-heading h2 {
  margin: 4px 0 0;
  font-family: "Space Grotesk", Montserrat, sans-serif;
  font-size: 1.75rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.ux-concepts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.ux-concept-card {
  min-height: 208px;
  padding: 17px;
}

.ux-concept-card h3 {
  margin-top: 10px;
  font-size: 1.22rem;
  line-height: 1.15;
}

.ux-concept-card p {
  margin-top: 9px;
  font-size: 0.9rem;
  line-height: 1.42;
}

.ux-concept-tag {
  display: inline-flex;
  width: fit-content;
  min-height: 26px;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--q-panel);
  color: var(--q-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ux-concept-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: auto;
  padding-top: 15px;
}

.ux-concept-actions .ux-button {
  min-height: 38px;
  padding: 8px 10px;
  font-size: 0.86rem;
}

@media (max-width: 1020px) {
  .ux-topbar,
  .ux-hero,
  .ux-continuity,
  .ux-school-layout {
    grid-template-columns: 1fr;
  }

  .ux-home-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ux-topbar {
    align-items: flex-start;
  }

  .ux-school-intro {
    position: static;
  }

  .ux-school-topbar {
    align-items: flex-start;
  }

  .ux-school-nav {
    justify-content: flex-start;
  }

  .ux-school-hero {
    display: grid;
    min-height: auto;
  }

  .ux-school-hero h1 {
    font-size: 2.65rem;
  }

  .ux-school-hero-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 0;
  }

  .ux-home-hero h1 {
    font-size: 3.5rem;
  }

  .ux-home-lead {
    font-size: 1.22rem;
  }

  .ux-page-grid,
  .ux-concepts-grid,
  .ux-home-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .ux-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .ux-topbar {
    top: 6px;
  }

  .ux-nav,
  .ux-actions {
    width: 100%;
  }

  .ux-header-tools {
    justify-content: stretch;
  }

  .ux-language-pill {
    flex: 1 1 120px;
    justify-content: center;
  }

  .ux-nav a,
  .ux-actions a {
    flex: 1 1 140px;
  }

  .ux-hero-main {
    min-height: auto;
    padding: 26px;
  }

  .ux-home-hero {
    padding: 26px;
  }

  .ux-school-page {
    width: min(100% - 20px, 1280px);
  }

  .ux-school-hero {
    padding: 24px;
  }

  .ux-school-hero h1 {
    font-size: 2.15rem;
    line-height: 1.05;
  }

  .ux-school-lead {
    font-size: 1.03rem;
  }

  .ux-school-hero-actions,
  .ux-concept-actions {
    grid-template-columns: 1fr;
  }

  .ux-home-hero h1 {
    font-size: 2.42rem;
    line-height: 1.04;
  }

  .ux-home-lead {
    font-size: 1.08rem;
  }

  .ux-hero-main h1,
  .ux-page-title {
    font-size: 2.18rem;
  }

  .ux-page-grid,
  .ux-concepts-grid,
  .ux-home-grid,
  .ux-difference-grid {
    grid-template-columns: 1fr;
  }

  .ux-section,
  .ux-note,
  .ux-status-card,
  .ux-card {
    padding: 18px;
  }

  .ux-section-header {
    display: block;
  }

  .ux-state-tabs {
    grid-template-columns: 1fr;
  }

  .ux-lesson-card {
    grid-template-columns: 1fr;
  }

  .ux-lesson-status {
    justify-content: flex-start;
  }
}