:root {
  --paper: #efe8dc;
  --paper-deep: #e4dccb;
  --card: #f8f3ea;
  --ink: #1c1915;
  --muted: #5b5449;
  --line: rgba(28, 25, 21, 0.14);
  --indigo: #3331c2;
  --indigo-soft: rgba(51, 49, 194, 0.08);
  --indigo-ink: #f7f4ff;
  --amber: #b85318;
  --amber-soft: rgba(184, 83, 24, 0.1);
  --phone: #12110f;
  --phone-panel: #1d1b18;
  --add: #b6f3cf;
  --add-ink: #d8ffe8;
  --del: #ffd0cb;
  --del-ink: #ffd9d4;
  --shadow: 0 28px 64px rgba(42, 31, 14, 0.16);
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", "Avenir Next", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(51, 49, 194, 0.08), transparent 30%),
    radial-gradient(circle at 18% 72%, rgba(184, 83, 24, 0.06), transparent 34%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.52;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: 12px;
  top: -120px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  z-index: 10;
}

.skip:focus {
  top: 12px;
}

/* Header */
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 24px;
  padding: 22px 7vw 0;
}

.wordmark {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: rgba(28, 25, 21, 0.08);
  border: 1px solid var(--line);
}

.side-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
  color: var(--muted);
}

.side-pill.is-active {
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
}

.side-pill.is-active.is-amber {
  background: var(--amber);
  color: #fffaf3;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  font-size: 14px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.nav a.nav-highlight {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
}

/* Typography */
.eyebrow {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--indigo);
}

h1,
h2,
.wordmark,
.lesson-lab h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.03em;
}

h1 {
  margin: 0;
  font-size: clamp(54px, 6.6vw, 88px);
  line-height: 0.93;
}

h1 em {
  color: var(--amber);
  font-style: italic;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.86fr);
  gap: 48px;
  align-items: center;
  padding: 42px 7vw 68px;
}

.deck {
  max-width: 38rem;
  margin: 22px 0 0;
  font-size: 19px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--indigo);
  color: var(--indigo-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.button-quiet {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

.button:focus-visible,
button:focus-visible,
.nav a:focus-visible,
.wordmark:focus-visible,
.sheet-learn-link:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
}

.hero-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.hero-principles dt {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-principles dd {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* Hero Phone */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scenario-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.scenario-chip {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.7);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}

.scenario-chip.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.phone {
  width: min(348px, 100%);
  padding: 12px;
  border-radius: 42px;
  background: #2a2722;
  box-shadow: var(--shadow);
}

.bezel {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 640px;
  border-radius: 32px;
  background: var(--phone);
  color: #f3efe6;
  transition: background-color 180ms ease;
}

.phone[data-mode="learn"] .bezel {
  background: #21170f;
}

.island {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 88px;
  height: 20px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #050504;
}

.statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px 0;
  font-family: var(--mono);
  font-size: 12px;
  color: #b7b1a6;
}

.mode-pill {
  display: inline-flex;
  padding: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.mode-btn {
  min-height: 24px;
  padding: 0 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #b7b1a6;
  font-family: var(--mono);
  font-size: 11px;
  cursor: pointer;
}

.mode-btn.is-active {
  background: #f3efe6;
  color: #161412;
  font-weight: 600;
}

.screen {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 11px;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 15px 28px;
}

.screen-kicker,
.screen-hint,
.lesson-kicker,
.beat-index,
.phase-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.screen-kicker,
.screen-hint {
  margin: 0;
  color: #9c958a;
}

.prompt-card,
.bubble,
.tool,
.diff-card,
.lesson-card {
  border-radius: 16px;
  background: var(--phone-panel);
  padding: 13px;
}

.prompt-card p,
.bubble p {
  margin: 0;
  font-size: 14px;
}

.voice-tag {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #a9b4ff;
}

.bubble.user {
  background: #3331c2;
}

.tool {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
}

.tool b {
  color: #9be7d8;
  font-weight: 500;
}

.phone-cta,
.diff-actions button,
.quiz-choice {
  min-height: 40px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.phone-cta {
  width: 100%;
  margin-top: 10px;
  background: #f3efe6;
  color: #1c1915;
}

.diff-card header,
.diff-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.diff-card header {
  font-family: var(--mono);
  font-size: 11px;
  color: #cfc8bc;
}

.diff-card pre {
  margin: 9px 0;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
}

.diff-card .add {
  color: var(--add-ink);
}

.diff-card .del {
  color: var(--del-ink);
}

.diff-actions button {
  flex: 1;
  background: #f3efe6;
  color: #1c1915;
}

.diff-actions .ghost {
  background: transparent;
  color: #f3efe6;
  box-shadow: inset 0 0 0 1px rgba(243, 239, 230, 0.3);
}

.lesson-card {
  background: #332214;
  border: 1px solid rgba(240, 163, 94, 0.28);
}

.lesson-card h3 {
  margin: 5px 0 8px;
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.02;
}

.lesson-card p {
  margin: 0 0 10px;
  font-size: 13px;
  color: #eddcc9;
}

.quiz-choices {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.quiz-choice {
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #f3efe6;
  font-size: 12px;
  font-weight: 500;
  text-align: left;
}

.quiz-choice.is-correct {
  background: rgba(114, 224, 159, 0.22);
  box-shadow: inset 0 0 0 1px #72e09f;
}

.quiz-choice.is-wrong {
  background: rgba(255, 145, 135, 0.2);
  box-shadow: inset 0 0 0 1px #ff9187;
}

.quiz-feedback {
  margin: 9px 0 0;
  font-size: 12px;
  color: #d8ffe8;
}

.demo-note {
  min-height: 1.5em;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.inline-reset {
  margin-left: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--indigo);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

/* Sections */
.loop,
.review,
.learn,
.ships {
  padding: 28px 7vw 72px;
}

.section-head {
  max-width: 760px;
}

.section-head h2,
.learn-intro h2,
.ships h2 {
  margin: 0;
  font-size: clamp(40px, 4.8vw, 62px);
  line-height: 0.95;
}

.section-head p,
.learn-intro p,
.ships p {
  max-width: 40rem;
  color: var(--muted);
}

/* Beats */
.beats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.beats li {
  border-top: 2px solid var(--line);
  transition: background-color 150ms ease, border-color 150ms ease;
}

.beats li.is-current {
  background: var(--indigo-soft);
  border-top-color: var(--indigo);
}

.beat-trigger {
  width: 100%;
  padding: 18px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.beats h3 {
  margin: 8px 0;
  font-size: 20px;
}

.beats p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* Diff Review Sheet */
.review .section-head {
  margin-bottom: 22px;
}

.diff-sheet {
  margin: 0;
  padding: 22px;
  border-radius: 24px;
  background: var(--phone);
  color: #f3efe6;
  box-shadow: var(--shadow);
}

.diff-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(243, 239, 230, 0.12);
}

.diff-tab {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(243, 239, 230, 0.18);
  border-radius: 999px;
  background: transparent;
  color: #b7b1a6;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}

.diff-tab.is-active {
  border-color: #f3efe6;
  background: #f3efe6;
  color: #161412;
  font-weight: 600;
}

.diff-sheet figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
}

.file {
  margin-right: auto;
}

.stat.add {
  color: var(--add);
}

.stat.del {
  color: #ffb1aa;
}

.sheet-badge {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(243, 239, 230, 0.12);
  font-size: 11px;
}

.sheet-badge.is-approved {
  background: rgba(114, 224, 159, 0.2);
  color: var(--add);
}

.sheet-badge.is-flagged {
  background: rgba(255, 177, 170, 0.2);
  color: #ffb1aa;
}

.summary {
  margin: 12px 0;
  color: #c9c2b6;
}

.diff {
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  background: #1a1815;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
}

.diff .add {
  color: var(--add-ink);
}

.diff .del {
  color: var(--del-ink);
}

.diff .ctx {
  color: #d9d3c8;
}

.sheet-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
}

.sheet-actions {
  display: flex;
  gap: 10px;
}

.sheet-btn {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(243, 239, 230, 0.28);
  border-radius: 999px;
  background: transparent;
  color: #f3efe6;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.sheet-btn.primary {
  border-color: #f3efe6;
  background: #f3efe6;
  color: #161412;
}

.sheet-learn-link {
  font-family: var(--mono);
  font-size: 12px;
  color: #f0b27a;
}

/* Learn Section & Interactive Lesson Lab */
.learn {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 40px;
  align-items: start;
}

.pedagogy-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pedagogy-list li {
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 250, 243, 0.65);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pedagogy-list strong {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.pedagogy-list span {
  font-size: 15px;
  color: var(--ink);
}

.lesson-lab {
  padding: 22px;
  border-radius: 24px;
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow);
}

.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.lesson-lab h3 {
  margin: 4px 0 0;
  font-size: 32px;
  line-height: 1;
}

.lab-progress {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
}

.lab-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.lab-tab {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}

.lab-tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
}

.lab-tab.is-done::after {
  content: " ✓";
  color: #2c8a56;
}

.lab-tab.is-active.is-done::after {
  color: var(--add);
}

.lab-prompt {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 500;
}

.code-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 14px;
  background: var(--phone);
  color: #f3efe6;
}

.code-line-btn {
  display: flex;
  gap: 12px;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #e9e2d6;
  font-family: var(--mono);
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
}

.code-line-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.code-line-btn .ln {
  color: #7d766b;
  user-select: none;
}

.code-line-btn.is-correct {
  background: rgba(114, 224, 159, 0.22);
  color: var(--add-ink);
}

.code-line-btn.is-wrong {
  background: rgba(255, 145, 135, 0.18);
  color: var(--del-ink);
}

.token-slot {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 6px;
  background: rgba(240, 163, 94, 0.25);
  color: #ffd5a8;
  border: 1px dashed #f0a35e;
}

.token-slot.is-filled {
  background: rgba(114, 224, 159, 0.25);
  color: var(--add-ink);
  border-style: solid;
  border-color: #72e09f;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.token-chip {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
}

.token-chip.is-correct {
  border-color: #1f7a46;
  background: #e3f9ec;
  color: #124d2b;
  font-weight: 600;
}

.token-chip.is-wrong {
  border-color: #b43c32;
  background: #fdeceb;
  color: #7d221b;
}

.lab-feedback {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--paper);
  font-size: 14px;
}

.lab-feedback strong {
  display: block;
  margin-bottom: 4px;
}

.lab-next-btn {
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--indigo);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

/* Roadmap / Ships */
.ships-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: start;
}

.roadmap-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.roadmap-list li {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 250, 243, 0.6);
  border: 1px solid var(--line);
}

.roadmap-list li.is-now {
  background: var(--card);
  border-color: var(--indigo);
}

.roadmap-list h3 {
  margin: 6px 0;
  font-size: 19px;
}

.roadmap-list p {
  margin: 0;
  font-size: 15px;
}

/* Footer */
.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px 24px;
  padding: 24px 7vw 36px;
  border-top: 1px solid var(--line);
}

.foot-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
}

.foot p {
  margin: 0;
}

.foot-note {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--muted);
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: var(--mono);
  font-size: 12px;
}

.foot-links a {
  text-decoration: none;
  color: var(--muted);
}

.foot-links a:hover {
  color: var(--ink);
}

/* Buttons & Badges */
.button-amber {
  background: var(--amber);
  color: #fffaf3;
}

.dev-pill-inline {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(184, 83, 24, 0.14);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Platforms & Product Sides Section */
.platforms {
  padding: 24px 7vw 72px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.platform-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(42, 31, 14, 0.06);
}

.platform-card.is-primary {
  border-top: 3px solid var(--indigo);
}

.platform-card.is-dev {
  border-top: 3px solid #6b6459;
  background: rgba(248, 243, 234, 0.72);
}

.platform-card.is-edu {
  border-top: 3px solid var(--amber);
}

.platform-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.platform-tag {
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.platform-tag.is-live {
  background: var(--indigo-soft);
  color: var(--indigo);
}

.platform-tag.is-dev-badge {
  background: rgba(28, 25, 21, 0.1);
  color: var(--ink);
}

.platform-tag.is-edu-badge {
  background: var(--amber-soft);
  color: var(--amber);
}

.platform-os {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.platform-card h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.02;
}

.platform-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
}

.platform-specs {
  margin: 0 0 18px;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink);
}

.platform-specs li {
  margin: 6px 0;
}

.platform-specs code {
  font-family: var(--mono);
  font-size: 12.5px;
}

.platform-links {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.platform-links .button {
  width: 100%;
}

.text-link {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--indigo);
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.button-link {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.android-classroom-note {
  margin: 0 0 22px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px dashed var(--line);
  background: rgba(248, 243, 234, 0.72);
  color: var(--muted);
  font-size: 15px;
}

.android-classroom-note a {
  color: var(--ink);
  font-weight: 600;
}

.android-status-note {
  margin: 12px 0 0 !important;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 12px !important;
  color: var(--ink) !important;
}

.learn-cta-box {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
}

.learn-cta-box p {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--ink);
}

.roadmap-list li.is-dev-item {
  border-style: dashed;
}

/* Educational Side (learn.html) */
.eyebrow-amber {
  color: var(--amber);
}

.edu-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 40px;
  align-items: center;
  padding: 42px 7vw 56px;
}

.edu-scorecard {
  padding: 22px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.score-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 12px 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.score-num {
  display: block;
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1;
  color: var(--amber);
}

.score-row span {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
}

.score-note {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
}

.score-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
}

.score-links a {
  color: var(--indigo);
  text-decoration: none;
}

.edu-classroom,
.edu-method {
  padding: 24px 7vw 72px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.module-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.7);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.module-card.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.module-card.is-completed .module-lane::after {
  content: " · ✓ Done";
  color: #2c8a56;
}

.module-card.is-active.is-completed .module-lane::after {
  color: var(--add);
}

.module-lane {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.module-card.is-active .module-lane {
  color: #f0b27a;
}

.module-card strong {
  font-size: 16px;
}

.module-card span:last-child {
  font-size: 13px;
  color: var(--muted);
}

.module-card.is-active span:last-child {
  color: #d7cfc2;
}

.classroom-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 24px;
  align-items: start;
}

.live-output-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.output-card,
.recall-card {
  padding: 20px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.output-pill {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(180, 60, 50, 0.12);
  color: #9e2f25;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.output-pill.is-healthy {
  background: rgba(31, 122, 70, 0.14);
  color: #186337;
}

.output-screen {
  padding: 16px;
  border-radius: 16px;
  background: var(--phone);
  color: #f3efe6;
}

.mini-app p {
  margin: 0 0 8px;
}

.mini-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: #9c958a;
}

.mini-big {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
}

.mini-code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: #dfd8cc;
}

.mini-result {
  padding: 8px 10px;
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 12px;
}

.mini-result.ok {
  background: rgba(114, 224, 159, 0.18);
  color: var(--add-ink);
}

.mini-result.bad {
  background: rgba(255, 145, 135, 0.18);
  color: var(--del-ink);
}

.mini-btn {
  width: 100%;
  min-height: 38px;
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: #f3efe6;
  color: #161412;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.output-caption {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.recall-card h4 {
  margin: 4px 0 10px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
}

.recall-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recall-list li {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--paper);
  font-size: 13.5px;
}

.recall-list strong {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--amber);
  margin-bottom: 2px;
}

.method-card {
  padding: 18px;
  border-top: 2px solid var(--amber);
  background: rgba(255, 250, 243, 0.55);
}

.method-card h3 {
  margin: 8px 0;
  font-size: 20px;
}

.method-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 820px) {
  .top {
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .nav {
    margin-left: 0;
  }

  .hero,
  .learn,
  .ships-grid,
  .beats,
  .hero-principles,
  .platform-grid,
  .edu-hero,
  .module-grid,
  .classroom-workbench {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-visual,
  .edu-hero-copy {
    order: -1;
  }

  .bezel {
    height: 600px;
  }

  h1 {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}