* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--base);
  color: var(--text);
}

h1,
h2,
h3 {
  font-family: var(--font-sans);
  letter-spacing: 0;
}

button,
select,
input,
textarea {
  font: inherit;
}

.primary-link,
.secondary-link,
.text-link,
.plan-link {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

.text-link:hover {
  color: var(--accent);
}

.primary-link,
.secondary-link,
.text-link,
.plan-link {
  transition:
    color 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.landing-actions .primary-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 74%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-strong) 82%, var(--panel));
  padding: 7px 15px;
}

.secondary-link,
.text-link,
.plan-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border-radius: 999px;
  padding: 7px 15px;
}

.secondary-link {
  border: 1px solid color-mix(in srgb, var(--line-strong) 74%, transparent);
  background: color-mix(in srgb, var(--panel-strong) 42%, var(--panel));
}

.text-link {
  padding-inline: 8px;
}

.landing-actions .primary-link,
.primary-link {
  border-color: color-mix(in srgb, var(--accent) 76%, var(--line-strong));
  background: var(--accent);
  color: var(--button-text);
}

.landing-shell,
.landing-band {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.landing-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(620px, 1.26fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  min-height: min(760px, calc(100vh - 104px));
  padding: 42px 0 72px;
}

.landing-band {
  display: grid;
  gap: 22px;
  padding: 56px 0;
}

.landing-hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(40px, 5.7vw, 72px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
}

.landing-hero p,
.section-heading p,
.feature-item p,
.module-item p,
.studio-paths-copy p,
.plan p,
.content p,
.content li {
  color: var(--muted);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
}

.landing-hero > p {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: 17px;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 12px;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.product-preview,
.workflow-panel,
.module-list,
.plan,
.content pre {
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line-strong) 70%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 58%, var(--panel));
}

.product-preview {
  box-shadow: none;
  position: relative;
}

.phrase-preview {
  display: grid;
  min-height: 520px;
}

.phrase-preview-body {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 470px;
  padding: clamp(20px, 3vw, 34px);
}

.phrase-preview-copy {
  position: absolute;
  left: clamp(20px, 3vw, 34px);
  top: clamp(24px, 4vw, 44px);
  z-index: 1;
  display: grid;
  gap: 12px;
  max-width: min(360px, calc(100% - 48px));
}

.phrase-preview-copy pre {
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: 16px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 86%, transparent), color-mix(in srgb, var(--panel) 62%, transparent)),
    color-mix(in srgb, var(--mantle) 72%, var(--panel));
  box-shadow: 0 18px 42px -34px var(--shadow);
  color: var(--text);
  font: 600 14px/1.8 var(--font-mono);
  overflow: hidden;
  padding: 18px;
  white-space: pre-wrap;
}

.phrase-preview-curve {
  width: 100%;
  min-height: 360px;
  color: var(--muted);
}

.phrase-preview-grid {
  fill: none;
  stroke: color-mix(in srgb, var(--line-strong) 56%, transparent);
  stroke-width: 1;
}

.phrase-preview-grid.vertical {
  stroke-dasharray: 6 9;
}

.phrase-preview-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-width: 7;
}

.phrase-preview-points circle {
  fill: var(--playhead);
}

.phrase-preview-labels text {
  fill: var(--text);
  font: 700 15px var(--font-sans);
}

.phrase-preview-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}

.phrase-preview-footer span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 70%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-strong) 52%, var(--panel));
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
}

.preview-titlebar,
.preview-status,
.preview-transport {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.preview-titlebar {
  min-height: 50px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  padding: 0 18px;
}

.preview-titlebar span:last-child,
.preview-status,
.preview-transport {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.92fr) minmax(280px, 1fr);
}

.preview-score {
  display: grid;
  gap: 12px;
}

.preview-score-meta,
.preview-score-footer,
.preview-scale {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.preview-score-meta,
.preview-score-footer {
  padding-inline: 22px;
}

.preview-score-meta {
  padding-top: 18px;
}

.preview-score-footer {
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  padding-bottom: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.preview-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
}

.preview-chip.subtle {
  border-color: color-mix(in srgb, var(--line-strong) 72%, transparent);
  background: color-mix(in srgb, var(--panel-strong) 54%, var(--panel));
  color: var(--muted);
}

.preview-grid pre,
.content pre,
.sample-panel pre,
.feature-item code {
  margin: 0;
  color: var(--text);
  font: 500 13px/1.72 var(--font-mono);
  overflow: auto;
  white-space: pre-wrap;
}

.preview-grid pre {
  min-height: 350px;
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 18%, transparent), transparent 22%),
    color-mix(in srgb, var(--mantle) 72%, var(--panel));
  padding: 22px;
}

.preview-curve {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  min-height: 350px;
  padding: 18px 18px 14px;
}

.preview-transport {
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel-strong) 72%, transparent);
  padding: 9px 10px;
}

.play-dot {
  color: var(--green);
}

.preview-curve svg {
  width: 100%;
  min-height: 220px;
  color: var(--muted);
}

.preview-curve svg text {
  fill: currentColor;
  font: 500 13px var(--font-sans);
}

.preview-curve circle {
  fill: var(--playhead);
}

.curve-grid {
  fill: none;
  stroke: color-mix(in srgb, var(--line-strong) 66%, transparent);
  stroke-width: 1;
}

.curve-grid.vertical {
  stroke-dasharray: 5 8;
}

.curve-playhead {
  fill: none;
  stroke: var(--overlay-1);
  stroke-dasharray: 5 6;
  stroke-width: 2;
}

.curve-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.preview-scale {
  justify-content: space-between;
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  margin-top: 10px;
  padding: 10px 18px 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
}

.preview-note-lane {
  display: grid;
  grid-template-columns: repeat(5, minmax(46px, 1fr));
  margin: 14px 4px 8px;
}

.preview-note-lane span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 72%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-strong) 74%, var(--panel));
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.preview-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-start;
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  padding-top: 10px;
}

.preview-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 30px;
  border-radius: 9px;
  background: var(--accent);
  color: var(--button-text);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
}

.preview-button.muted {
  background: var(--surface-0);
  color: var(--overlay-1);
}

.section-heading.centered {
  display: grid;
  justify-items: center;
  text-align: center;
}

.section-heading.centered h2,
.studio-paths-copy h2,
.page-hero h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}

.workflow-panel,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-panel {
  position: relative;
  background: color-mix(in srgb, var(--panel-strong) 56%, var(--panel));
}

.feature-item {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 190px;
  border-right: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  padding: 22px;
}

.feature-item:last-child {
  border-right: 0;
}

.feature-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.feature-item-header span:first-child,
.module-item > span {
  color: var(--accent-secondary);
  font-size: 13px;
  font-weight: 600;
}

.feature-item h3,
.module-item h3 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
}

.feature-item code {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--mantle) 76%, transparent);
  color: var(--subtext);
  padding: 6px 9px;
}

.mini-curve {
  width: min(220px, 100%);
  height: 48px;
  display: block;
}

.mini-curve-line {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.mini-curve-point {
  fill: var(--playhead);
}

.studio-paths {
  grid-template-columns: minmax(280px, 0.7fr) minmax(420px, 1.3fr);
  align-items: center;
  gap: 34px;
}

.studio-paths {
  padding-top: 36px;
}

.studio-paths-copy {
  display: grid;
  gap: 14px;
}

.module-list {
  display: grid;
  background: color-mix(in srgb, var(--panel-strong) 48%, var(--panel));
}

.module-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
}

.module-item:last-child {
  border-bottom: 0;
}

.module-item div {
  display: grid;
  gap: 8px;
}

.module-item a {
  width: fit-content;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.module-item a:hover {
  color: var(--accent-strong);
}

.page-hero,
.pricing-grid,
.content {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 60px 0;
}

.account-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 420px);
  gap: 20px;
  align-items: start;
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 60px 0 76px;
}

.account-intro {
  display: grid;
  gap: 16px;
  padding-top: 16px;
}

.account-intro h1,
.account-status-panel h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 700;
  line-height: 0.96;
}

.account-intro p,
.account-plan-note p,
.account-note,
.account-status-panel p {
  color: var(--muted);
}

.account-card,
.account-plan-note,
.account-status-panel {
  display: grid;
  gap: 14px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 72%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 56%, var(--panel));
  padding: 20px;
}

.account-status-panel {
  width: min(760px, calc(100% - 56px));
  margin: 60px auto 76px;
}

.account-mode-toggle {
  display: inline-flex;
  gap: 4px;
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--line-strong) 72%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  padding: 4px;
}

.account-mode-toggle button {
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 600;
  padding: 7px 12px;
}

.account-mode-toggle button.active {
  background: var(--accent);
  color: var(--button-text);
}

.account-field {
  display: grid;
  gap: 7px;
}

.account-field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.account-field input {
  min-height: 42px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 82%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  color: var(--text);
  padding: 9px 11px;
}

.account-submit {
  min-height: 42px;
  border: 1px solid color-mix(in srgb, var(--accent) 76%, var(--line-strong));
  border-radius: 999px;
  background: var(--accent);
  color: var(--button-text);
  cursor: pointer;
  font-weight: 700;
  padding: 9px 16px;
}

.account-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

.account-note,
.account-message {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}

.account-message {
  color: var(--accent-strong);
}

.account-plan-note {
  grid-column: 2;
}

.account-plan-note h2 {
  margin: 0;
  color: var(--text);
  font-size: 26px;
  line-height: 1;
}

.page-hero.narrow {
  width: min(900px, calc(100% - 56px));
}

.about-hero,
.pricing-hero {
  display: grid;
  gap: 16px;
}

.page-hero p {
  max-width: 780px;
}

.content-stack {
  display: grid;
  gap: 28px;
}

.content-stack > section {
  display: grid;
  gap: 12px;
}

.notation-reference {
  gap: 24px;
}

.notation-reference > section {
  display: grid;
  gap: 12px;
}

.notation-reference h3 {
  margin: 0;
  color: var(--text);
  font-size: 24px;
  line-height: 1.1;
}

.feature-list {
  margin: 0;
  padding-left: 20px;
}

.sample-panel {
  display: grid;
  gap: 14px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 70%, transparent);
  border-radius: 18px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 18%, transparent), transparent 28%),
    color-mix(in srgb, var(--panel-strong) 48%, var(--panel));
  padding: 18px;
}

.sample-panel pre {
  padding: 16px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--mantle) 70%, var(--panel));
}

.sample-panel p {
  margin: 0;
}

.pricing-grid {
  gap: 14px;
  padding-top: 4px;
  padding-bottom: 28px;
}

.plan {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 0;
  padding: 20px;
}

.plan.featured {
  border-color: color-mix(in srgb, var(--accent) 80%, var(--line-strong));
  background: color-mix(in srgb, var(--panel-strong) 58%, var(--panel));
}

.plan-badge {
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  color: var(--subtext);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
}

.plan h2,
.plan h3 {
  margin: 0;
}

.plan p {
  margin: 0;
}

.plan ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.plan-link {
  justify-content: flex-start;
  width: fit-content;
  margin-top: 6px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 74%, transparent);
  background: color-mix(in srgb, var(--panel-strong) 52%, var(--panel));
}

.plan-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  color: var(--accent-strong);
  font-size: 20px;
  font-weight: 600;
}

.price s {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

.pricing-note {
  width: min(860px, calc(100% - 56px));
  padding-top: 0;
}

.content {
  width: min(860px, calc(100% - 56px));
}

.notation-doc header,
.about-doc header {
  display: grid;
  gap: 8px;
}

.notation-doc h1,
.about-doc h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(38px, 5vw, 58px);
  line-height: 0.98;
}

.public-about {
  width: min(980px, calc(100% - 56px));
  padding-top: 72px;
}

.about-public-hero {
  display: grid;
  gap: 16px;
}

.about-public-hero h1 {
  max-width: 900px;
  font-size: clamp(42px, 6vw, 72px);
}

.about-public-hero > p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.45;
}

.about-statement {
  border-top: 1px solid color-mix(in srgb, var(--line-strong) 64%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line-strong) 64%, transparent);
  padding: 28px 0;
}

.about-statement p {
  color: var(--subtext);
  font-size: 19px;
}

.about-audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.about-audience-card {
  display: grid;
  align-content: start;
  gap: 10px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 72%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 52%, var(--panel));
  padding: 18px;
}

.about-audience-card h3 {
  margin: 0;
  color: var(--accent-strong);
  font-size: 18px;
}

.about-audience-card p {
  margin: 0;
}

.about-possibility-list {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.about-possibility-list li {
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel-strong) 44%, transparent);
  padding: 12px 14px;
}

.content pre {
  padding: 16px;
}

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

  body {
    background-attachment: scroll;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 900px) {
  .landing-shell,
  .landing-band {
    width: min(100% - 28px, 1180px);
  }

  .landing-shell,
  .preview-grid,
  .workflow-panel,
  .studio-paths,
  .about-audience-grid,
  .pricing-grid,
  .account-shell {
    grid-template-columns: 1fr;
  }

  .landing-shell {
    min-height: 0;
    gap: 22px;
    padding: 18px 0 46px;
  }

  .landing-hero h1 {
    font-size: clamp(32px, 8.6vw, 46px);
  }

  .landing-hero > p {
    margin-top: 14px;
  }

  .landing-actions {
    margin-top: 20px;
  }

  .page-actions {
    gap: 10px;
  }

  .feature-item {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  }

  .feature-item:last-child {
    border-bottom: 0;
  }

  .preview-grid pre {
    min-height: 280px;
    border-right: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  }

  .preview-curve {
    min-height: 260px;
  }

  .preview-score-meta,
  .preview-score-footer,
  .preview-scale {
    padding-inline: 16px;
  }

  .preview-score-footer {
    gap: 12px;
  }

  .pricing-note,
  .content,
  .account-shell,
  .account-status-panel {
    width: min(100% - 28px, 860px);
  }

  .account-shell {
    gap: 14px;
    padding: 36px 0 54px;
  }

  .account-plan-note {
    grid-column: auto;
  }
}