body:is(.landing-page, .product-page) {
  --landing-paper: var(--color-paper);
  --landing-surface: var(--color-surface);
  --landing-surface-raised: var(--color-surface-raised);
  --landing-ink: var(--color-ink);
  --landing-ink-soft: var(--color-ink-soft);
  --landing-muted: var(--color-muted);
  --landing-rule: var(--color-rule);
  --landing-rule-strong: var(--color-rule-strong);
  --landing-accent: var(--color-accent);
  --landing-focus: var(--color-focus);
  --landing-control-radius: var(--radius-round);
  --landing-overlay-radius: var(--radius-medium);
  --landing-frame: calc(var(--shell-width) + 2 * var(--page-gutter));
  --landing-gutter: var(--page-gutter);
  --landing-z-menu: 300;
  --landing-ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  min-height: 100dvh;
  margin: 0;
  padding: 0;
  background: var(--landing-paper);
  color: var(--landing-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.landing-page *,
.landing-page *::before,
.landing-page *::after {
  box-sizing: border-box;
}

.landing-page :focus-visible {
  outline: 3px solid var(--landing-focus);
  outline-offset: 3px;
}

.landing-page h1,
.landing-page h2,
.landing-page h3,
.landing-page p,
.landing-page figure {
  margin: 0;
}

.landing-page h1,
.landing-page h2,
.landing-page h3 {
  color: var(--landing-ink);
  font-family: var(--font-body);
  font-weight: 700;
  text-wrap: balance;
}

.landing-page h1 {
  font-size: clamp(3.4rem, 5.6vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.landing-page h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
}

.landing-page h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.landing-page p {
  color: var(--landing-ink-soft);
  line-height: 1.55;
  text-wrap: pretty;
}

.landing-shell {
  width: 100%;
  min-width: 0;
  overflow-x: clip;
  background: var(--landing-paper);
}

.landing-shell > main:focus {
  outline: 0;
}

.landing-skip-link {
  position: fixed;
  z-index: calc(var(--landing-z-menu) + 1);
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--landing-control-radius);
  background: var(--landing-ink);
  color: var(--landing-surface);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 150ms var(--landing-ease-out);
}

.landing-skip-link:focus {
  transform: translateY(0);
}

.landing-frame {
  width: min(100%, var(--landing-frame));
  margin-inline: auto;
  padding-inline:
    max(var(--landing-gutter), env(safe-area-inset-left))
    max(var(--landing-gutter), env(safe-area-inset-right));
}

.landing-footer a {
  color: var(--landing-ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition-property: color;
  transition-duration: 150ms;
  transition-timing-function: var(--landing-ease-out);
}

.landing-button {
  min-height: 2.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--landing-ink);
  border-radius: var(--landing-control-radius);
  background: var(--landing-ink);
  color: var(--landing-surface);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition-property: background-color, border-color, color, transform;
  transition-duration: 150ms, 150ms, 150ms, 120ms;
  transition-timing-function: var(--landing-ease-out);
}

.landing-button--compact {
  min-height: 2.5rem;
  padding-inline: 0.9rem;
  font-size: 0.9rem;
}

.landing-button--quiet {
  border-color: var(--landing-rule-strong);
  background: var(--landing-surface);
  color: var(--landing-ink);
}

.landing-button:active {
  transform: scale(0.96);
}

.landing-kicker {
  color: var(--landing-focus) !important;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.landing-text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--landing-focus);
  font-weight: 700;
  text-decoration-color: color-mix(in oklch, var(--landing-accent) 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
  white-space: nowrap;
  transition-property: color;
  transition-duration: 150ms;
  transition-timing-function: var(--landing-ease-out);
}

.landing-hero {
  height: calc(100dvh - 4.5rem);
  min-height: 0;
  max-height: 58rem;
  padding-block: clamp(2.5rem, 6vh, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(24rem, 0.92fr);
  align-items: stretch;
  gap: clamp(2rem, 6vw, 6rem);
  border-block-end: 1px solid var(--landing-rule);
}

.landing-hero__copy {
  align-self: center;
  max-width: 46rem;
}

.landing-hero__copy h1 {
  max-width: 15ch;
  margin-block-start: 1.25rem;
}

.landing-hero__lede {
  max-width: 36rem;
  margin-block-start: 1.5rem;
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
}

.landing-hero .landing-actions {
  margin-block-start: 1.75rem;
}

.landing-hero__visual {
  min-height: 0;
  overflow: hidden;
  background: var(--landing-surface-raised);
}

.landing-hero__visual img,
.landing-teacher-image img,
.landing-page-hero__media img,
.landing-personas__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  outline: 1px solid rgba(0, 0, 0, 0.1);
  outline-offset: -1px;
}

.landing-hero__visual img {
  object-position: 50% 68%;
}

html[data-theme="dark"] :is(.landing-hero__visual img, .landing-teacher-image img, .landing-page-hero__media img, .landing-personas__media img) {
  outline-color: rgba(255, 255, 255, 0.1);
}

.landing-method,
.landing-control,
.landing-lessons,
.landing-loop,
.landing-microphone,
.landing-split-note,
.landing-adjustments,
.landing-teacher-process,
.landing-teacher-image,
.landing-workflow,
.landing-personas,
.landing-access,
.landing-final-cta {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.landing-section-copy {
  max-width: 44rem;
}

.landing-method .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-section-copy > p,
.landing-control__lead > p,
.landing-section-head p,
.landing-page-hero > p,
.landing-page-hero__copy > p,
.landing-teacher-image > div > p,
.landing-personas__copy > p,
.landing-access__intro > p,
.landing-final-cta > p {
  max-width: 38rem;
  margin-block-start: 1.25rem;
  font-size: 1.12rem;
}

.landing-method {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(28rem, 1.18fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.landing-method__steps,
.landing-teacher-process ol,
.landing-workflow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.landing-method__steps {
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-method__steps li {
  padding-block: 1.5rem;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-method__steps p,
.landing-loop article p,
.landing-control__regions p,
.landing-adjustments__grid p,
.landing-teacher-process li p,
.landing-workflow__steps li div p,
.landing-access__choices p {
  margin-block-start: 0.55rem;
}

.landing-control {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(26rem, 1.1fr);
  gap: clamp(3rem, 8vw, 9rem);
  border-block: 1px solid var(--landing-rule);
  background: var(--landing-surface);
}

.landing-control__lead .landing-kicker {
  margin-block-end: 1.25rem;
}

.landing-control__lead .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-control__regions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-control__regions article {
  padding: 1.5rem;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-control__regions article:nth-child(odd) {
  border-inline-end: 1px solid var(--landing-rule);
}

.landing-control__regions article:first-child {
  min-height: 11rem;
  grid-column: 1 / -1;
  border-inline-end: 0;
}

.landing-section-head {
  margin-block-end: 2.5rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.landing-page .lesson-grid {
  border: 1px solid var(--landing-rule);
  background: var(--landing-rule);
}

.landing-page .lesson-entry {
  border-radius: 0;
  background: var(--landing-surface);
  box-shadow: none;
  color: var(--landing-ink);
}

.landing-page .lesson-entry__raga {
  color: var(--landing-focus);
}

.landing-page .lesson-entry__main > p:last-child,
.landing-page .lesson-entry__facts dd,
.landing-page .lesson-entry__facts dt {
  color: var(--landing-muted);
}

.landing-page-hero {
  min-height: min(42rem, calc(100dvh - 4.5rem));
  padding-block: clamp(5rem, 10vw, 9rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-page-hero h1 {
  max-width: 18ch;
  margin-block-start: 1.25rem;
}

.landing-page-hero > .landing-button,
.landing-page-hero > .landing-actions,
.landing-page-hero__copy > .landing-actions {
  margin-block-start: 1.75rem;
}

.landing-page-hero--teacher {
  background: var(--landing-paper);
}

.landing-page-hero--media {
  min-height: min(44rem, calc(100dvh - 4.5rem));
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(28rem, 1.12fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.landing-page-hero--media h1 {
  max-width: 14ch;
  font-size: clamp(3.2rem, 4.8vw, 5rem);
}

.landing-page-hero__copy {
  max-width: 41rem;
}

.landing-page-hero__media {
  height: clamp(25rem, 38vw, 34rem);
  overflow: hidden;
  border-radius: var(--landing-overlay-radius);
  background: var(--landing-surface-raised);
}

.landing-page-hero__media img {
  object-position: center;
}

.landing-pricing-hero {
  min-height: min(42rem, calc(100dvh - 4.5rem));
  padding-block: clamp(5rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(19rem, 0.8fr);
  align-items: center;
  gap: clamp(4rem, 10vw, 10rem);
  border-block-end: 1px solid var(--landing-rule);
}

.landing-pricing-hero__copy {
  max-width: 44rem;
}

.landing-pricing-hero__copy h1 {
  margin-block-start: 1.25rem;
}

.landing-pricing-hero__copy > p:last-child {
  max-width: 38rem;
  margin-block-start: 1.5rem;
  font-size: 1.2rem;
}

.landing-pricing-summary {
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--landing-rule);
  border-radius: var(--landing-overlay-radius);
  background: var(--landing-surface);
  box-shadow: 0 1.2rem 3rem color-mix(in oklch, var(--landing-ink) 7%, transparent);
}

.landing-pricing-summary__label {
  color: var(--landing-muted) !important;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.landing-pricing-summary__price {
  margin-block: 1.5rem 2rem !important;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.landing-pricing-summary__price strong {
  color: var(--landing-ink);
  font-size: clamp(3.25rem, 6vw, 4.75rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.landing-pricing-summary__price span {
  color: var(--landing-muted);
}

.landing-pricing-summary .button_to,
.landing-pricing-summary .landing-button {
  width: 100%;
}

.landing-pricing-summary .landing-button {
  border-color: var(--landing-accent);
  background: var(--landing-accent);
}

.landing-pricing-details {
  padding-block: clamp(5rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(24rem, 1.2fr);
  gap: 2rem clamp(4rem, 9vw, 9rem);
}

.landing-pricing-details > div p {
  max-width: 31rem;
  margin-block-start: 1.25rem;
  font-size: 1.08rem;
}

.landing-pricing-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-pricing-list li {
  padding-block: 1.5rem;
  display: grid;
  grid-template-columns: minmax(10rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1.5rem;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-pricing-list span {
  color: var(--landing-muted);
  line-height: 1.5;
}

.landing-pricing-details aside {
  grid-column: 2;
  padding-inline-start: 1.5rem;
  border-inline-start: 3px solid var(--landing-accent);
}

.landing-pricing-details aside p {
  margin-block-start: 0.65rem;
}

.landing-loop {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 0.9fr));
  align-items: stretch;
}

.landing-loop article {
  min-height: 25rem;
  padding: clamp(1.5rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-block: 1px solid var(--landing-rule);
  border-inline-end: 1px solid var(--landing-rule);
  background: var(--landing-surface);
}

.landing-loop article:first-child {
  border-inline-start: 1px solid var(--landing-rule);
}

.landing-loop article h2 {
  margin-block: auto 2rem;
  font-size: clamp(2rem, 3vw, 3.4rem);
}

.landing-loop__feature {
  background: var(--landing-surface-raised) !important;
}

.landing-microphone,
.landing-split-note {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
  gap: clamp(3rem, 10vw, 10rem);
  align-items: center;
  border-block: 1px solid var(--landing-rule);
}

.landing-microphone > div p,
.landing-microphone aside p,
.landing-split-note > div p,
.landing-split-note aside p {
  margin-block-start: 1rem;
  font-size: 1.1rem;
}

.landing-microphone aside,
.landing-split-note aside {
  padding: 2rem;
  border-inline-start: 3px solid var(--landing-accent);
  background: var(--landing-surface);
}

.landing-microphone aside strong,
.landing-split-note aside strong {
  font-size: 1.15rem;
}

.landing-adjustments__grid,
.landing-access__choices {
  margin-block-start: 3.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-adjustments__grid article,
.landing-access__choices article {
  min-height: 11rem;
  padding: 1.75rem 0;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-adjustments__grid article:nth-child(odd),
.landing-access__choices article:nth-child(odd) {
  padding-inline-end: clamp(2rem, 5vw, 5rem);
  border-inline-end: 1px solid var(--landing-rule);
}

.landing-adjustments__grid article:nth-child(even),
.landing-access__choices article:nth-child(even) {
  padding-inline-start: clamp(2rem, 5vw, 5rem);
}

.landing-final-cta {
  border-block-start: 1px solid var(--landing-rule);
  text-align: center;
}

.landing-final-cta > * {
  margin-inline: auto;
}

.landing-final-cta .landing-button {
  margin-block-start: 1.75rem;
}

.landing-teacher-process {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(30rem, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.landing-teacher-process ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-teacher-process li {
  min-height: 13rem;
  padding: 1.5rem;
  border-block-end: 1px solid var(--landing-rule);
}

.landing-teacher-process li:nth-child(odd) {
  border-inline-end: 1px solid var(--landing-rule);
}

.landing-teacher-image {
  display: grid;
  grid-template-columns: minmax(28rem, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: center;
  border-block: 1px solid var(--landing-rule);
  background: var(--landing-surface);
}

.landing-teacher-image figure {
  height: clamp(24rem, 36vw, 32rem);
  overflow: hidden;
}

.landing-teacher-image img {
  object-position: center;
}

.landing-teacher-image .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-workflow {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(30rem, 1.28fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.landing-workflow__steps {
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-workflow__steps li {
  min-height: 8.5rem;
  padding-block: 1.65rem;
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3rem);
  border-block-end: 1px solid var(--landing-rule);
}

.landing-workflow__steps li:nth-child(4) {
  margin-block-start: 1rem;
  border-block-start: 1px solid var(--landing-rule-strong);
}

.landing-workflow__steps li:nth-child(n + 4) {
  padding-inline: clamp(1rem, 3vw, 3rem) 1rem;
  background: linear-gradient(90deg, color-mix(in oklch, var(--landing-accent) 7%, transparent), transparent 74%);
}

.landing-workflow__persona {
  color: var(--landing-focus) !important;
  font-size: 0.8rem;
  font-weight: 700;
}

.landing-personas {
  display: grid;
  grid-template-columns: minmax(30rem, 1.25fr) minmax(0, 0.75fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  border-block: 1px solid var(--landing-rule);
  background: var(--landing-surface);
}

.landing-personas__media {
  min-height: 27rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: end;
  gap: 0.75rem;
}

.landing-personas__media figure {
  height: 27rem;
  overflow: hidden;
  border-radius: var(--landing-overlay-radius);
}

.landing-personas__media figure:last-child {
  height: 20rem;
}

.landing-personas__media img {
  object-position: center;
}

.landing-access__intro {
  max-width: 50rem;
}

.landing-footer {
  border-block-start: 1px solid var(--landing-rule-strong);
  background: var(--landing-surface);
}

.landing-footer__inner {
  min-height: 0;
  padding-block:
    3.5rem
    max(2.5rem, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: minmax(16rem, 1.15fr) minmax(24rem, 1fr);
  align-items: start;
  gap: 3rem clamp(4rem, 8vw, 8rem);
}

.landing-footer__brand {
  max-width: 24rem;
}

.landing-footer__wordmark {
  display: inline-flex;
  align-items: center;
  color: var(--landing-ink);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
}

.landing-footer__brand p {
  margin-block-start: 0.65rem;
  max-width: 23rem;
  font-size: 0.95rem;
}

.landing-footer nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(7.5rem, 1fr));
  align-items: start;
  gap: 2rem;
}

.landing-footer__group h2 {
  color: var(--landing-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-footer__group ul {
  margin-block-start: 0.75rem;
  display: grid;
  list-style: none;
}

.landing-footer__group a {
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
}

.landing-footer__copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid var(--landing-rule);
  color: var(--landing-muted);
  font-size: 0.78rem;
}

@media (hover: hover) and (pointer: fine) {
  .landing-footer a:hover,
  .landing-text-link:hover {
    color: var(--landing-focus);
  }

  .landing-button:hover {
    border-color: var(--landing-accent);
    background: var(--landing-accent);
    color: var(--landing-surface);
  }

  .landing-button--quiet:hover {
    border-color: var(--landing-ink);
    background: var(--landing-surface-raised);
    color: var(--landing-ink);
  }

  .landing-page .lesson-entry:hover {
    background: var(--landing-paper);
  }
}

@media (max-width: 47.999rem) {
  body.landing-page {
    --landing-gutter: 1.25rem;
  }

  .landing-page h1 {
    font-size: clamp(2.35rem, 11vw, 3.2rem);
    line-height: 0.98;
  }

  .landing-page h2 {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .landing-hero {
    height: calc(100dvh - 4.25rem);
    min-height: 0;
    max-height: none;
    padding-block: 1.5rem 1.25rem;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    gap: 1.5rem;
  }

  .landing-hero__copy {
    align-self: start;
  }

  .landing-hero__copy h1 {
    max-width: none;
    margin-block-start: 0.8rem;
  }

  .landing-hero__lede {
    margin-block-start: 0.8rem;
    font-size: 1rem;
  }

  .landing-hero .landing-actions {
    margin-block-start: 1rem;
  }

  .landing-hero__visual img {
    object-position: 50% 62%;
  }

  .landing-method,
  .landing-control,
  .landing-loop,
  .landing-microphone,
  .landing-split-note,
  .landing-teacher-process,
  .landing-teacher-image,
  .landing-workflow,
  .landing-personas,
  .landing-access {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-method,
  .landing-control,
  .landing-lessons,
  .landing-loop,
  .landing-microphone,
  .landing-split-note,
  .landing-adjustments,
  .landing-teacher-process,
  .landing-teacher-image,
  .landing-workflow,
  .landing-personas,
  .landing-access,
  .landing-final-cta {
    padding-block: 4.5rem;
  }

  .landing-method,
  .landing-control,
  .landing-teacher-process,
  .landing-teacher-image,
  .landing-personas,
  .landing-microphone,
  .landing-split-note {
    gap: 2.5rem;
  }

  .landing-control__regions,
  .landing-adjustments__grid,
  .landing-teacher-process ol,
  .landing-access__choices {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-control__regions article,
  .landing-control__regions article:nth-child(odd),
  .landing-control__regions article:last-child,
  .landing-adjustments__grid article,
  .landing-adjustments__grid article:nth-child(odd),
  .landing-adjustments__grid article:nth-child(even),
  .landing-teacher-process li,
  .landing-teacher-process li:nth-child(odd),
  .landing-access__choices article,
  .landing-access__choices article:nth-child(odd),
  .landing-access__choices article:nth-child(even) {
    grid-column: auto;
    padding: 1.5rem 0;
    border-inline: 0;
  }

  .landing-section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .landing-loop article {
    min-height: 20rem;
    border-block-start: 0;
    border-inline-start: 1px solid var(--landing-rule);
  }

  .landing-loop article:first-child {
    border-block-start: 1px solid var(--landing-rule);
  }

  .landing-page-hero {
    min-height: calc(100dvh - 4.25rem);
    padding-block: 4rem;
  }

  .landing-page-hero--media {
    min-height: 0;
    padding-block: 3rem;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .landing-pricing-hero,
  .landing-pricing-details {
    min-height: 0;
    padding-block: 4rem;
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .landing-pricing-details aside {
    grid-column: auto;
  }

  .landing-pricing-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.4rem;
  }

  .landing-page-hero h1 {
    max-width: none;
  }

  .landing-page-hero--teacher {
    background: var(--landing-paper);
  }

  .landing-page-hero__media {
    height: min(58vw, 18rem);
  }

  .landing-teacher-image figure {
    height: min(70vw, 22rem);
  }

  .landing-workflow {
    gap: 2.5rem;
  }

  .landing-workflow__steps li,
  .landing-workflow__steps li:nth-child(n + 4) {
    min-height: 0;
    padding: 1.5rem 0;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
    background: transparent;
  }

  .landing-workflow__steps li:nth-child(4) {
    margin-block-start: 0.75rem;
  }

  .landing-personas__media {
    min-height: 16rem;
    gap: 0.5rem;
  }

  .landing-personas__media figure {
    height: 16rem;
  }

  .landing-personas__media figure:last-child {
    height: 12rem;
  }

  .landing-microphone aside,
  .landing-split-note aside {
    border-block-start: 3px solid var(--landing-accent);
    border-inline-start: 0;
  }

  .landing-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }

  .landing-footer nav {
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (max-height: 32rem) and (min-width: 48rem) {
  .landing-hero {
    height: auto;
    min-height: calc(100dvh - 4.5rem);
    padding-block: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page *,
  .landing-page *::before,
  .landing-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .landing-button:active {
    transform: none;
  }
}

/* Homepage direction: atmospheric listening room. Secondary public pages keep
   the quieter index system above. */
.landing-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.landing-shell--home .landing-hero {
  position: relative;
  isolation: isolate;
  width: 100%;
  height: auto;
  min-height: 100svh;
  max-height: none;
  padding: clamp(7rem, 14vh, 9rem) clamp(1.5rem, 5vw, 5rem) clamp(4rem, 9vh, 7rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  color: white;
}

.landing-shell--home .landing-hero::before,
.landing-shell--home .landing-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
}

.landing-shell--home .landing-hero::before {
  background:
    linear-gradient(to bottom, rgb(7 13 15 / 0.2), transparent 40%, rgb(7 13 15 / 0.15)),
    radial-gradient(circle at 50% 8%, rgb(255 255 255 / 0.15), transparent 28rem),
    linear-gradient(to top, var(--home-canvas-deep), transparent 48%);
}

.landing-shell--home .landing-hero::after {
  inset-block-start: 48%;
  background-image:
    radial-gradient(circle, var(--home-cream) 0 1.2px, transparent 1.5px),
    radial-gradient(ellipse at 12% 88%, var(--home-cream) 0 16%, transparent 38%),
    radial-gradient(ellipse at 78% 95%, var(--home-cream) 0 17%, transparent 42%);
  background-position: 0 0, 0 0, 0 0;
  background-size: 7px 7px, 100% 100%, 100% 100%;
  mask-image: linear-gradient(to bottom, transparent 0, black 40%, black 100%);
  opacity: 0.22;
}

.landing-shell--home .landing-hero__visual {
  position: absolute;
  z-index: -2;
  inset: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--home-canvas-deep);
}

.landing-shell--home .landing-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 46%;
  filter: saturate(0.62) contrast(0.88) brightness(1.02);
  mix-blend-mode: soft-light;
  opacity: 0.74;
  mask-image: linear-gradient(to bottom, transparent 4%, black 37%, black 100%);
  transform: scale(1.06);
  transform-origin: 50% 50%;
}

@supports (animation-timeline: view()) {
  .landing-shell--home .landing-hero {
    view-timeline: --landing-hero-parallax block;
  }

  .landing-shell--home .landing-hero__visual img {
    animation: landing-hero-image-parallax linear both;
    animation-timeline: --landing-hero-parallax;
    animation-range: cover 0% cover 100%;
    will-change: transform;
  }
}

@keyframes landing-hero-image-parallax {
  from {
    transform: translateY(-4%) scale(1.14);
  }

  to {
    transform: translateY(8%) scale(1.14);
  }
}

.landing-shell--home .landing-hero__copy {
  position: relative;
  z-index: 2;
  width: min(100%, 62rem);
  max-width: none;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transform: translateY(-2vh);
}

.landing-shell--home .landing-hero__copy .landing-kicker {
  color: rgb(255 255 255 / 0.76) !important;
}

.landing-shell--home .landing-hero__copy h1 {
  max-width: 22ch;
  margin-block-start: 1rem;
  color: white;
  font-size: clamp(3.6rem, 6vw, 6.1rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.052em;
  text-shadow: 0 1px 1px rgb(0 0 0 / 0.12);
}

.landing-shell--home .landing-hero__lede {
  max-width: 40rem;
  margin-block-start: 1.35rem;
  color: rgb(255 255 255 / 0.76);
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
}

.landing-shell--home .landing-hero .landing-actions {
  margin-block-start: 1.5rem;
  justify-content: center;
}

.landing-shell--home .landing-hero .landing-button {
  border-color: white;
  background: white;
  color: var(--home-night);
  box-shadow: 0 0.5rem 1.5rem rgb(9 16 17 / 0.14);
}

.landing-shell--home .landing-hero .landing-button--quiet {
  border-color: rgb(255 255 255 / 0.22);
  background: rgb(11 17 18 / 0.16);
  color: white;
  box-shadow: none;
  backdrop-filter: blur(12px) saturate(120%);
}

.landing-shell--home .lesson-grid {
  overflow: hidden;
  border: 0;
  border-radius: 1rem;
  background: rgb(13 24 25 / 0.12);
  box-shadow: 0 0 0 1px rgb(13 24 25 / 0.12);
}

.landing-shell--home .lesson-entry {
  background: rgb(255 255 255 / 0.72);
}

.landing-shell--home .landing-button {
  border-radius: 0.7rem;
}

.landing-shell--home .landing-button:active {
  scale: 0.96;
  transform: none;
}

@media (hover: hover) and (pointer: fine) {
  .landing-shell--home .landing-hero .landing-button:hover {
    border-color: white;
    background: oklch(94% 0.02 200);
    color: var(--home-night);
  }

  .landing-shell--home .landing-hero .landing-button--quiet:hover {
    border-color: rgb(255 255 255 / 0.4);
    background: rgb(255 255 255 / 0.1);
    color: white;
  }
}

@media (max-width: 47.999rem) {
  .landing-shell--home .landing-hero {
    min-height: 100svh;
    padding: 6.25rem 1.15rem 3rem;
  }

  .landing-shell--home .landing-hero__copy {
    align-self: center;
    transform: translateY(-1vh);
  }

  .landing-shell--home .landing-hero__copy h1 {
    max-width: 12ch;
    font-size: clamp(2.75rem, 14vw, 4.25rem);
    line-height: 0.94;
  }

  .landing-shell--home .landing-hero__lede {
    max-width: 31rem;
    font-size: 1rem;
  }

  .landing-shell--home .landing-hero__visual img {
    object-position: 56% 52%;
  }

}

@media (max-height: 32rem) and (min-width: 48rem) {
  .landing-shell--home .landing-hero {
    min-height: calc(100dvh - 0.9rem);
    padding-block: 4.75rem 1.5rem;
    gap: 1rem;
  }

  .landing-shell--home .landing-hero__copy h1 {
    font-size: clamp(2.8rem, 7vw, 4.5rem);
  }

  .landing-shell--home .landing-hero__lede {
    margin-block-start: 0.75rem;
  }

  .landing-shell--home .landing-hero .landing-actions {
    margin-block-start: 0.75rem;
  }

}

/* Below the photographic hero, every homepage surface follows the site theme. */
.landing-shell--home {
  --home-canvas: var(--color-paper);
  --home-canvas-deep: var(--color-surface-raised);
  --home-cream: oklch(93% 0.035 84);
  --home-surface-demo: var(--color-paper);
  --home-surface-features: var(--color-surface);
  --home-surface-tradition: var(--color-surface-raised);
  --home-surface-flow: var(--color-paper);
  --home-surface-lessons: var(--color-surface);
  --home-surface-signup: var(--color-surface-raised);
  --home-night: oklch(18% 0.018 235);
  --home-frost: rgb(245 250 248 / 0.72);
  min-height: 100dvh;
  padding: 0;
  background: var(--color-paper);
  color-scheme: inherit;
}

.landing-home-nav-threshold {
  position: absolute;
  inset: 100px auto auto 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.landing-shell--home > main {
  min-width: 0;
  overflow: clip;
  border-radius: 0;
  background: var(--color-paper);
}

.landing-home-content {
  padding-block: 0;
  background: var(--home-surface-demo);
}

.landing-live-demo,
.landing-features,
.landing-tradition,
.landing-home-flow,
.landing-shell--home .landing-lessons,
.landing-final-signup {
  position: relative;
  isolation: isolate;
  clip-path: inset(0 -100vmax);
}

.landing-live-demo::before,
.landing-features::before,
.landing-tradition::before,
.landing-home-flow::before,
.landing-shell--home .landing-lessons::before,
.landing-final-signup::before {
  position: absolute;
  z-index: -1;
  inset: 0 -100vmax;
  content: "";
}

.landing-live-demo::before {
  background:
    radial-gradient(circle at 88% 16%, oklch(88% 0.028 192 / 0.5), transparent 26rem),
    var(--home-surface-demo);
}

.landing-features::before {
  background:
    radial-gradient(circle at 8% 80%, oklch(91% 0.035 82 / 0.42), transparent 24rem),
    var(--home-surface-features);
}

.landing-tradition::before {
  background:
    linear-gradient(115deg, rgb(255 255 255 / 0.16), transparent 46%),
    var(--home-surface-tradition);
}

.landing-home-flow::before {
  background:
    radial-gradient(circle at 92% 18%, oklch(89% 0.022 226 / 0.5), transparent 25rem),
    var(--home-surface-flow);
}

.landing-shell--home .landing-lessons::before {
  background:
    linear-gradient(145deg, rgb(255 255 255 / 0.26), transparent 55%),
    var(--home-surface-lessons);
}

.landing-final-signup::before {
  background: var(--color-surface-raised);
}

.landing-home-content h2 {
  font-size: clamp(2.2rem, 3.2vw, 3.35rem);
  line-height: 1;
}

.landing-live-demo {
  width: min(calc(100% - 2rem), 76rem);
  margin: 0 auto;
  padding: clamp(4.75rem, 7vw, 6.5rem) 0 clamp(3.5rem, 5vw, 4.75rem);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.landing-live-demo__intro {
  max-width: 40rem;
}

.landing-live-demo__intro h2 {
  max-width: 18ch;
  margin-block-start: 0.65rem;
}

.landing-live-demo__intro > p {
  max-width: 38rem;
  margin-block-start: 0.9rem;
  font-size: 1.02rem;
}

.landing-live-demo__frame {
  margin-block-start: clamp(2rem, 4vw, 3rem);
  width: 100%;
  min-height: 32rem;
  overflow: hidden;
  border-radius: 1rem;
  background: var(--home-night);
  outline: 1px solid rgb(0 0 0 / 0.1);
  outline-offset: -1px;
  box-shadow:
    0 0.25rem 0.8rem rgb(11 28 30 / 0.07),
    0 1.25rem 3.5rem rgb(11 28 30 / 0.13);
}

.landing-live-demo__frame iframe {
  width: 100%;
  height: 100%;
  min-height: 32rem;
  display: block;
  border: 0;
  background: var(--home-night);
}

.landing-live-demo__notes {
  margin-block-start: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  color: color-mix(in oklch, var(--landing-ink) 58%, transparent);
  font-size: 0.75rem;
}

.landing-live-demo__notes span {
  display: inline-flex;
  align-items: center;
}

.landing-live-demo__notes span + span {
  margin-inline-start: 0.85rem;
  padding-inline-start: 0.85rem;
  border-inline-start: 1px solid rgb(27 54 56 / 0.22);
}

.landing-features {
  width: min(calc(100% - 2rem), 72rem);
  padding-block: clamp(4.75rem, 7vw, 6.5rem);
}

.landing-features__intro {
  max-width: 43rem;
}

.landing-features__intro h2 {
  max-width: 18ch;
}

.landing-features__intro > p {
  max-width: 38rem;
  margin-block-start: 0.9rem;
  font-size: 1.02rem;
}

.landing-features__grid {
  margin-block-start: clamp(2.25rem, 4vw, 3.25rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block: 1px solid rgb(255 255 255 / 0.35);
}

.landing-feature-card {
  min-height: 0;
  padding: clamp(1.75rem, 3vw, 2.4rem);
  display: grid;
  grid-template-columns: minmax(5.75rem, 7rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.landing-feature-card:nth-child(odd) {
  border-inline-end: 1px solid rgb(27 54 56 / 0.14);
}

.landing-feature-card:nth-child(-n + 2) {
  border-block-end: 1px solid rgb(27 54 56 / 0.14);
}

.landing-feature-card--sa,
.landing-feature-card--tempo,
.landing-feature-card--context {
  grid-column: auto;
}

.landing-feature-card--match {
  min-height: 0;
  grid-column: auto;
  background: transparent;
}

.landing-feature-card__symbol {
  color: rgb(28 55 57 / 0.68);
  font-size: clamp(3rem, 4.25vw, 4.15rem);
  font-weight: 300;
  letter-spacing: -0.06em;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.landing-feature-card__graphic {
  position: relative;
  width: 100%;
  height: 4.75rem;
  overflow: hidden;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.landing-feature-card__graphic::before,
.landing-feature-card__graphic::after {
  position: absolute;
  inset: 0;
  content: "";
}

.landing-feature-card__graphic--accompaniment {
  background: repeating-linear-gradient(
    90deg,
    transparent 0 5.5%,
    rgb(33 69 72 / 0.09) 5.5% 5.8%,
    transparent 5.8% 11%
  );
}

.landing-feature-card__graphic--accompaniment::before {
  background: rgb(52 101 207 / 0.68);
  clip-path: polygon(
    0 48%, 8% 39%, 16% 52%, 25% 27%, 34% 58%, 44% 36%, 53% 46%,
    63% 22%, 73% 54%, 84% 34%, 92% 49%, 100% 42%, 100% 55%, 92% 61%,
    84% 48%, 73% 68%, 63% 35%, 53% 58%, 44% 48%, 34% 70%, 25% 40%,
    16% 65%, 8% 52%, 0 61%
  );
}

.landing-feature-card__graphic--accompaniment::after {
  background: rgb(30 63 65 / 0.2);
  clip-path: polygon(
    0 66%, 10% 58%, 20% 70%, 31% 47%, 42% 63%, 53% 55%, 64% 72%,
    76% 51%, 88% 65%, 100% 57%, 100% 72%, 88% 78%, 76% 64%, 64% 83%,
    53% 68%, 42% 76%, 31% 60%, 20% 83%, 10% 71%, 0 79%
  );
}

.landing-feature-card__graphic--match {
  background: repeating-linear-gradient(
    180deg,
    transparent 0 24%,
    rgb(33 69 72 / 0.1) 24% 24.8%,
    transparent 24.8% 49%
  );
}

.landing-feature-card__graphic--match::before,
.landing-feature-card__graphic--match::after {
  clip-path: polygon(
    0 70%, 11% 62%, 21% 66%, 32% 38%, 43% 46%, 55% 20%, 66% 35%,
    78% 62%, 89% 52%, 100% 58%, 100% 63%, 89% 57%, 78% 68%, 66% 41%,
    55% 26%, 43% 52%, 32% 44%, 21% 72%, 11% 68%, 0 76%
  );
}

.landing-feature-card__graphic--match::before {
  background: rgb(32 93 95 / 0.5);
  transform: translateY(0.45rem);
}

.landing-feature-card__graphic--match::after {
  background: rgb(52 101 207 / 0.78);
}

.landing-feature-card > div:last-child {
  max-width: 30rem;
}

.landing-feature-card p {
  margin-block-start: 0.5rem;
  font-size: 0.95rem;
}

.landing-features > .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-tradition {
  width: min(calc(100% - 2rem), 76rem);
  margin: 0 auto;
  padding-block: clamp(5rem, 8vw, 7.5rem);
  display: grid;
  grid-template-columns: minmax(28rem, 1.12fr) minmax(18rem, 0.88fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 6.5rem);
  border-block-start: 1px solid rgb(27 54 56 / 0.12);
}

.landing-tradition__media {
  height: clamp(25rem, 37vw, 34rem);
  overflow: hidden;
  border-radius: 1rem;
  outline: 1px solid rgb(0 0 0 / 0.1);
  outline-offset: -1px;
  box-shadow: 0 1.5rem 3.5rem rgb(19 43 45 / 0.11);
}

.landing-tradition__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 48% center;
}

.landing-tradition__copy {
  max-width: 31rem;
}

.landing-tradition__copy h2 {
  max-width: 14ch;
}

.landing-tradition__copy p {
  max-width: 31rem;
  margin-block-start: 1.2rem;
  font-size: 1rem;
}

.landing-tradition__copy p + p {
  margin-block-start: 0.9rem;
}

.landing-tradition__copy .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-home-flow {
  width: min(calc(100% - 2rem), 72rem);
  padding-block: clamp(5rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(32rem, 1.28fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 7rem);
  border-block-start: 1px solid rgb(27 54 56 / 0.13);
}

.landing-home-flow > header {
  max-width: 31rem;
}

.landing-home-flow > header h2 {
  max-width: 15ch;
}

.landing-home-flow > header > p {
  max-width: 30rem;
  margin-block-start: 1rem;
}

.landing-home-flow > header .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-home-flow__roles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid rgb(27 54 56 / 0.22);
}

.landing-home-flow__roles article {
  min-height: 19rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-block-end: 1px solid rgb(27 54 56 / 0.14);
}

.landing-home-flow__roles article + article {
  border-inline-start: 1px solid rgb(27 54 56 / 0.14);
}

.landing-home-flow__role {
  color: var(--landing-focus) !important;
  font-size: 0.78rem;
  font-weight: 700;
}

.landing-home-flow__roles h3 {
  max-width: 16ch;
  margin-block-start: 2.5rem;
}

.landing-home-flow__roles article > p:not(.landing-home-flow__role) {
  margin-block-start: 0.75rem;
}

.landing-home-flow__roles .landing-text-link {
  margin-block-start: auto;
  padding-block-start: 1.5rem;
}

.landing-shell--home .landing-lessons {
  width: min(calc(100% - 2rem), 76rem);
  margin: 0 auto;
  padding-block: clamp(5rem, 8vw, 7rem);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: inset 0 1px 0 rgb(27 54 56 / 0.12);
}

.landing-lessons__inner {
  width: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(16rem, 0.64fr) minmax(32rem, 1.36fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 7rem);
}

.landing-lessons__intro {
  max-width: 29rem;
}

.landing-lessons__intro h2 {
  max-width: 12ch;
}

.landing-lessons__intro p {
  max-width: 28rem;
  margin-block-start: 0.9rem;
}

.landing-lessons__intro .landing-text-link {
  margin-block-start: 1.25rem;
}

.landing-lesson-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  overflow: visible;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.landing-lesson-preview {
  min-width: 0;
  overflow: hidden;
  border-radius: 1rem;
  background: rgb(241 248 245 / 0.24);
  box-shadow:
    0 0 0 1px rgb(255 255 255 / 0.34),
    0 0.8rem 2.2rem rgb(24 53 55 / 0.06);
}

.landing-lesson-preview__link {
  min-height: 10rem;
  padding: clamp(1.35rem, 2.5vw, 1.75rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: 1fr auto;
  align-items: end;
  gap: 1.4rem 1.5rem;
  border-radius: 0;
  color: var(--landing-ink);
  text-decoration: none;
  transition-property: background-color;
  transition-duration: 160ms;
  transition-timing-function: var(--landing-ease-out);
}

.landing-lesson-preview__identity p {
  color: var(--landing-focus);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-lesson-preview__identity {
  grid-column: 1 / -1;
  align-self: start;
}

.landing-lesson-preview__identity h3 {
  margin-block-start: 0.25rem;
  font-size: 1.4rem;
}

.landing-lesson-preview__identity span {
  display: block;
  margin-block-start: 0.3rem;
  color: var(--landing-muted);
  font-size: 0.9rem;
}

.landing-lesson-preview__facts {
  margin: 0;
  display: flex;
  align-self: end;
  gap: 1.75rem;
}

.landing-lesson-preview__facts div {
  min-width: 4rem;
}

.landing-lesson-preview__facts dt {
  color: var(--landing-muted);
  font-size: 0.7rem;
}

.landing-lesson-preview__facts dd {
  margin: 0.2rem 0 0;
  color: var(--landing-ink);
  font-size: 0.9rem;
  font-weight: 600;
}

.landing-lesson-preview__action {
  align-self: end;
  color: var(--landing-focus);
  font-size: 0.86rem;
  font-weight: 700;
  text-align: end;
}

.landing-lessons__empty {
  min-height: 12rem;
  padding: clamp(1.75rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  border-radius: 1rem;
  background: rgb(241 248 245 / 0.22);
  box-shadow:
    0 0 0 1px rgb(255 255 255 / 0.34),
    inset 0 1px 0 rgb(255 255 255 / 0.2);
}

.landing-lessons__empty strong {
  font-size: 1rem;
}

.landing-lessons__empty p {
  margin-block-start: 0.25rem;
  font-size: 0.9rem;
}

.landing-final-signup {
  width: min(calc(100% - 2rem), 72rem);
  margin: 0 auto;
  padding-block: clamp(5.5rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  border: 0;
  border-block-start: 1px solid rgb(27 54 56 / 0.15);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.landing-final-signup h2 {
  max-width: 15ch;
}

.landing-final-signup p {
  max-width: 36rem;
  margin-block-start: 0.85rem;
  font-size: 0.98rem;
}

.landing-final-signup__actions {
  min-width: 8rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}






@media (hover: hover) and (pointer: fine) {

  .landing-feature-card {
    transition-property: background-color;
    transition-duration: 220ms;
    transition-timing-function: var(--landing-ease-out);
  }

  .landing-feature-card:hover {
    background: rgb(245 250 248 / 0.18);
    transform: none;
  }

  .landing-lesson-preview__link:hover {
    background: rgb(245 250 248 / 0.36);
  }
}

@media (max-width: 67.999rem) {
  .landing-shell--home {
    padding: 0;
  }

  .landing-shell--home > main {
    border-radius: 0;
  }

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

  .landing-feature-card--sa,
  .landing-feature-card--tempo,
  .landing-feature-card--context,
  .landing-feature-card--match {
    grid-column: auto;
  }

  .landing-tradition,
  .landing-home-flow,
  .landing-lessons__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-tradition__media {
    height: min(62vw, 34rem);
  }

  .landing-tradition__copy,
  .landing-home-flow > header,
  .landing-lessons__intro {
    max-width: 38rem;
  }
}

@media (max-width: 47.999rem) {

  .landing-home-content {
    padding-block: 0.45rem;
  }

  .landing-tradition,
  .landing-home-flow,
  .landing-shell--home .landing-lessons,
  .landing-final-signup {
    width: calc(100% - 1.5rem);
    padding-block: 4rem;
    border-radius: 0;
  }

  .landing-live-demo {
    width: calc(100% - 1.5rem);
    padding: 3.5rem 0 2rem;
  }

  .landing-features__intro,
  .landing-tradition,
  .landing-home-flow,
  .landing-final-signup {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 2.5rem;
  }

  .landing-live-demo__frame {
    margin-block-start: 2.25rem;
    border-radius: 0.9rem;
  }

  .landing-live-demo__frame,
  .landing-live-demo__frame iframe {
    min-height: 36rem;
  }

  .landing-live-demo__notes {
    padding-inline: 0.25rem;
  }

  .landing-features {
    width: calc(100% - 1.5rem);
    padding-block: 4rem;
  }

  .landing-features__intro {
    gap: 1rem;
  }

  .landing-features__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .landing-feature-card,
  .landing-feature-card--context,
  .landing-feature-card--match {
    min-height: 0;
    padding: 1.5rem 0.25rem;
    grid-template-columns: minmax(4.75rem, 5.75rem) minmax(0, 1fr);
    border-inline: 0;
    border-block-end: 1px solid rgb(27 54 56 / 0.14);
    border-radius: 0;
  }

  .landing-feature-card:last-child {
    border-block-end: 0;
  }

  .landing-feature-card__symbol {
    font-size: clamp(2.35rem, 11vw, 3.25rem);
  }

  .landing-feature-card__graphic {
    height: 4rem;
  }

  .landing-tradition {
    gap: 2.5rem;
  }

  .landing-tradition__media {
    height: 72vw;
  }

  .landing-tradition__copy {
    max-width: none;
  }

  .landing-home-flow__roles {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-home-flow__roles article {
    min-height: 0;
    padding: 1.75rem 0.25rem;
  }

  .landing-home-flow__roles article + article {
    border-inline-start: 0;
  }

  .landing-home-flow__roles h3 {
    margin-block-start: 1.75rem;
  }

  .landing-shell--home .landing-lessons {
    padding-block: 4rem;
    border-radius: 0;
  }

  .landing-lessons__inner {
    width: 100%;
    gap: 2.5rem;
  }

  .landing-lesson-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-lesson-preview__link {
    min-height: 9.25rem;
    padding: 1.35rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
  }

  .landing-lesson-preview__facts {
    gap: 1.25rem;
  }

  .landing-lesson-preview__action {
    max-width: 4.5rem;
  }

  .landing-lessons__empty {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .landing-final-signup {
    gap: 2rem;
  }

  .landing-final-signup__actions {
    min-width: 0;
  }


  }

@media (max-height: 32rem) and (min-width: 48rem) {
  .landing-shell--home .landing-hero {
    padding-block-start: 4.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-feature-card {
    transition-duration: 0.01ms;
  }

  .landing-feature-card:hover {
    transform: none;
  }

  .landing-shell--home .landing-hero__visual img {
    animation: none;
    transform: scale(1.06);
  }

}

@media (prefers-reduced-transparency: reduce) {
  .landing-tradition,
  .landing-final-signup {
    background: oklch(96% 0.012 199);
  }
}

@property --landing-button-halo-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

/* Compact public controls use a thin glass gutter around a solid inner face. */
.landing-button--framed {
  --landing-button-halo-angle: 0deg;
  min-height: 2.75rem;
  position: relative;
  isolation: isolate;
  padding: 2px;
  display: inline-flex;
  align-items: stretch;
  overflow: visible;
  border: 1px solid color-mix(in oklch, var(--landing-accent) 30%, transparent);
  border-radius: 999px;
  background: color-mix(in oklch, var(--landing-accent) 10%, transparent);
  box-shadow: none;
  color: white;
  text-decoration: none;
  transition: transform 180ms var(--landing-ease-out);
}

.landing-button--framed::before {
  position: absolute;
  z-index: 0;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--landing-button-halo-angle),
    rgb(85 137 255 / 0.82),
    rgb(236 91 174 / 0.78),
    rgb(246 192 73 / 0.82),
    rgb(91 210 116 / 0.82),
    rgb(85 137 255 / 0.82)
  );
  content: "";
  filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.94);
  transition:
    opacity 220ms var(--landing-ease-out),
    transform 280ms var(--landing-ease-out);
}

.landing-button--framed > span {
  position: relative;
  z-index: 1;
  min-height: 2.375rem;
  padding-inline: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--landing-accent);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.landing-shell--home .landing-hero .landing-button--framed,
.landing-shell--home .landing-final-signup .landing-button--framed {
  min-height: 2.75rem;
  padding: 2px;
  border-radius: 999px;
  background: rgb(255 255 255 / 0.14);
}

.landing-shell--home .landing-hero .landing-button--framed > span {
  background: rgb(255 255 255 / 0.94);
  color: var(--home-night);
}

@media (hover: hover) and (pointer: fine) {
  .landing-shell--home .landing-button--framed:hover {
    transform: translateY(-1px);
  }

  .landing-shell--home .landing-button--framed:hover::before {
    animation: landing-button-halo-spin 2.8s linear infinite;
    opacity: 0.76;
    transform: scale(1);
  }
}

@keyframes landing-button-halo-spin {
  to {
    --landing-button-halo-angle: 360deg;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-button--framed,
  .landing-button--framed::before {
    animation: none;
    transition-duration: 0.01ms;
  }

  .landing-button--framed:hover {
    transform: none;
  }
}

.landing-shell--home .landing-button--quiet.landing-button--framed > span {
  background: rgb(255 255 255 / 0.5);
  color: var(--landing-ink);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.62);
}

/* Center the constrained text block as well as its text. */
.landing-final-cta > p { margin-inline: auto; }

/* Technology: a compact overview, followed by an illustrated explanation. */
.audio-technology { padding-block: clamp(4rem, 8vw, 8rem); }
.audio-technology > .technology-intro { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 3rem; margin-block-end: 3rem; }
.technology-intro h2 { max-width: 15ch; margin-block-start: .75rem; text-wrap: balance; }
.technology-intro > p { max-width: 40rem; margin: 0; font-size: 1.12rem; text-wrap: pretty; }
.technology-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.technology-capability { display: flex; flex-direction: column; min-width: 0; padding: 1.75rem; border-radius: 1.5rem; background: var(--landing-surface); }
.technology-capability__copy { min-width: 0; }
.technology-capability__label { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; margin-block-end: 1rem; }
.technology-capability__label > p { color: var(--landing-muted); font-size: .75rem; font-weight: 600; line-height: 1.4; letter-spacing: .015em; }
.technology-capability h3 { font-size: clamp(1.35rem, 2.2vw, 1.7rem); line-height: 1.15; letter-spacing: -.035em; margin: 0 0 1rem; text-wrap: balance; }
.technology-capability p { margin: 0; text-wrap: pretty; }
.technology-capability__visual { display: grid; align-items: center; padding-block-start: 2rem; margin-block-start: auto; }
.technology-diagram { display: block; width: 100%; height: auto; overflow: visible; }
.technology-diagram text { fill: var(--landing-muted); font: 12px system-ui, sans-serif; }
.technology-diagram path { stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.technology-diagram .diagram-guide { stroke: var(--landing-rule); }
.technology-diagram .diagram-ink { stroke: var(--landing-ink); }
.technology-diagram .diagram-primary { stroke: #47692e; }
.technology-diagram .diagram-secondary { stroke: #a65124; }
.technology-diagram .diagram-soft { fill: #47692e; opacity: .1; }
.technology-diagram .diagram-dot { fill: #47692e; }
[data-theme="dark"] .technology-diagram .diagram-primary { stroke: #b0cc88; }
[data-theme="dark"] .technology-diagram .diagram-secondary { stroke: #edb48b; }
[data-theme="dark"] .technology-diagram .diagram-soft { fill: #b0cc88; }
[data-theme="dark"] .technology-diagram .diagram-dot { fill: #b0cc88; }
.technology-preview-label { display: inline-flex; align-items: center; min-height: 1.6rem; border: 1px solid var(--landing-rule-strong); border-radius: 1rem; padding: .2rem .6rem; color: var(--landing-ink-soft); font-size: .7rem; font-weight: 600; white-space: nowrap; }
.technology-capability--wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.technology-capability--wide .technology-capability__visual { margin: 0; padding: 0; max-width: 28rem; justify-self: center; width: 100%; }
.technology-grid--detailed { display: block; }
.technology-grid--detailed .technology-capability { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; padding: 3.5rem 0; border-radius: 0; border-top: 1px solid var(--landing-rule); background: transparent; }
.technology-grid--detailed .technology-capability:nth-child(even) .technology-capability__copy { grid-column: 2; grid-row: 1; }
.technology-grid--detailed .technology-capability:nth-child(even) .technology-capability__visual { grid-column: 1; grid-row: 1; }
.technology-grid--detailed h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.technology-grid--detailed .technology-capability__benefit { color: var(--landing-ink); font-size: 1.2rem; margin-block-end: 1rem; }
.technology-grid--detailed .technology-capability__use { margin-block-start: 1rem; }
.technology-grid--detailed .technology-capability__visual { margin: 0; padding: 2rem; border-radius: 1.5rem; background: var(--landing-surface); max-width: none; }
.technology-note { max-width: 48rem; margin-block: 2rem 1.5rem; padding-block-start: 1.5rem; border-top: 1px solid var(--landing-rule); }
.technology-note p + p { margin-block-start: 1rem; }
@media (max-width: 1000px) {
  .technology-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audio-technology > .technology-intro { gap: 2rem; }
}
@media (max-width: 650px) {
  .audio-technology > .technology-intro, .technology-grid, .technology-capability--wide,
  .technology-grid--detailed .technology-capability { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .technology-capability { padding: 1.5rem; }
  .technology-capability h3 { font-size: 1.6rem; }
  .technology-diagram { max-width: 28rem; margin-inline: auto; }
  .technology-grid--detailed .technology-capability { padding-block: 2.5rem; }
  .technology-grid--detailed .technology-capability:nth-child(even) .technology-capability__copy,
  .technology-grid--detailed .technology-capability:nth-child(even) .technology-capability__visual { grid-column: auto; grid-row: auto; }
  .technology-grid--detailed .technology-capability__visual { padding: 1.5rem; }
}