/* Fredon — site vitrine. Un manche d'instrument en travers du haut de
   page, les afficheurs à segments de l'app, et des palettes nommées en
   fin de feuille : toutes les couleurs, dessins compris, en dépendent. */

@font-face {
  font-family: 'Archivo';
  src: url('../fonts/Archivo.ttf') format('truetype');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/SpaceGrotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono.ttf') format('truetype');
  font-weight: 100 800;
  font-display: swap;
}

/* Les altérations ♯ ♭ absentes des deux fontes. */
@font-face {
  font-family: 'Fredon Accidentals';
  src: url('../fonts/NotoSansSymbols-Accidentals.ttf') format('truetype');
  unicode-range: U+266D-266F, U+1D12A-1D12B;
  font-display: swap;
}

:root {
  color-scheme: dark;

  --boitier: #0D0E10;
  --carter: #111215;
  --facade: #16181B;
  --relief: #24272B;
  --filet: #2A2D32;
  --grille: #3A3E44;
  --encre: #ECE9E2;
  --encre-2: #8C8F96;
  --ambre: #FFB224;
  --ambre-eteint: #5C4415;
  --sur-ambre: #0D0E10;

  --text: 'Archivo', 'Fredon Accidentals', system-ui, sans-serif;
  --mono: 'Archivo', 'Fredon Accidentals', system-ui, sans-serif;

  --r-pad: 8px;
  --r-control: 10px;
  --r-button: 12px;
  --r-card: 16px;
  --r-console: 24px;

  --gutter: clamp(16px, 4vw, 40px);
  --level: 0;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background-color: var(--boitier);
  /* Grain très fin : le fini mat d'un boîtier, pas une texture. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--encre);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg,
canvas {
  display: block;
}

h1,
h2,
h3,
p,
ol,
ul,
dl,
dd,
figure {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

button,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--ambre);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ambre);
  color: var(--sur-ambre);
  border-radius: var(--r-control);
  font: 700 13px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.muted {
  color: var(--encre-2);
}

/* Étiquettes d'appareil : JetBrains Mono en petites capitales espacées,
   comme sur la façade. Réservées à ce qui s'affiche sur la console. */
.label {
  font: 500 12px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.led {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--relief);
  transition: background-color 150ms, box-shadow 150ms;
}

/* ------------------------------------------------------------------ */
/* Navigation */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--boitier) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms;
}

.nav[data-scrolled] {
  border-bottom-color: var(--filet);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.logo {
  width: 30px;
  height: 30px;
}

.nav nav {
  margin-left: auto;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--encre-2);
  font-size: 15px;
  text-decoration: none;
  transition: color 150ms;
}

.nav-links a:hover {
  color: var(--encre);
}

@media (max-width: 760px) {
  .nav nav {
    display: none;
  }

  .nav .button {
    margin-left: auto;
  }
}

/* ------------------------------------------------------------------ */
/* Boutons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 22px;
  border: 1px solid var(--filet);
  border-radius: var(--r-button);
  background: var(--facade);
  color: var(--encre);
  font: 700 14px/1 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 150ms, background-color 150ms, border-color 150ms;
}

.button:hover {
  border-color: var(--grille);
}

.button:active {
  transform: scale(0.97);
}

.button.small {
  height: 40px;
  padding: 0 14px;
  font-size: 12px;
}

.button.primary {
  background: var(--ambre);
  border-color: var(--ambre);
  color: var(--sur-ambre);
}

.button.primary:hover {
  background: color-mix(in srgb, var(--ambre) 85%, var(--encre));
  border-color: color-mix(in srgb, var(--ambre) 85%, var(--encre));
}

.button.primary .led {
  background: var(--sur-ambre);
  opacity: 0.85;
}

.button.on .led {
  background: var(--ambre);
  box-shadow: 0 0 10px rgba(255, 178, 36, 0.8);
}

.button[hidden] {
  display: none;
}

/* ------------------------------------------------------------------ */
/* Héros */

.hero {
  position: relative;
  padding-top: clamp(28px, 4.5vw, 64px);
  padding-bottom: clamp(64px, 9vw, 120px);
}

/* Haut de page : dire d'emblée que c'est une app, et où la trouver. */
.hero-app {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font: 700 12px/1.3 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ambre);
}
.hero-kicker .led {
  background: var(--ambre);
  box-shadow: 0 0 10px rgba(255, 178, 36, 0.7);
}
.hero-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.store-pill {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 18px 9px 14px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: 14px;
  color: var(--encre);
  text-decoration: none;
  transition: border-color 150ms, transform 150ms;
}
.store-pill svg {
  width: 24px;
  height: 24px;
  flex: none;
}
.store-pill-text {
  display: grid;
  gap: 2px;
}
.store-pill-small {
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--encre-2);
}
.store-pill-name {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.store-pill[href]:hover {
  border-color: var(--ambre-eteint);
}
.store-pill[href]:active {
  transform: scale(0.98);
}
.store-pill[data-live] .store-pill-small {
  color: var(--ambre);
}

.hero-head {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 32px 56px;
  align-items: end;
  margin-bottom: clamp(28px, 3.5vw, 48px);
}

h1 {
  font-size: clamp(42px, 1.8rem + 4.6vw, 100px);
  line-height: 0.95;
  font-weight: 600;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero-side {
  display: grid;
  gap: 20px;
  justify-items: start;
  padding-bottom: 8px;
}

.lede {
  font-size: clamp(18px, 1rem + 0.35vw, 21px);
  line-height: 1.45;
  color: var(--encre-2);
  max-width: 34rem;
}

.fine {
  font-size: 14px;
  color: var(--encre-2);
}

@media (max-width: 900px) {
  .hero-head {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

/* ------------------------------------------------------------------ */
/* Console : le Live de l'app, en grand. */

.console {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: 12px;
  padding: 14px;
  background: var(--carter);
  border: 1px solid var(--filet);
  border-radius: var(--r-console);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 40px 80px -40px rgba(0, 0, 0, 0.7);
}

/* La lumière de la diode déborde sur le boîtier quand le son arrive. */
.console::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: -12% -6% auto;
  height: 70%;
  background: radial-gradient(ellipse at 50% 30%, rgba(255, 178, 36, 0.22), transparent 62%);
  opacity: calc(0.18 + var(--level) * 0.82);
  pointer-events: none;
  filter: blur(30px);
  transition: opacity 120ms linear;
}

.console-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.bar-spacer {
  flex: 1;
}

.control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 14px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-control);
  color: var(--encre);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 150ms, border-color 150ms, color 150ms;
}

button.control:hover:not(:disabled) {
  border-color: var(--grille);
}

button.control:active:not(:disabled) {
  transform: scale(0.95);
}

button.control:disabled {
  color: var(--encre-2);
  cursor: default;
}

.select {
  position: relative;
  padding: 0;
}

.select select {
  appearance: none;
  -webkit-appearance: none;
  height: 100%;
  padding: 0 38px 0 14px;
  background: transparent;
  border: 0;
  border-radius: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  cursor: pointer;
}

.select select:focus-visible {
  outline: 2px solid var(--ambre);
  outline-offset: 2px;
}

.select option,
.select optgroup {
  background: var(--facade);
  color: var(--encre);
  text-transform: none;
}

.select .chevron {
  position: absolute;
  right: 14px;
  width: 12px;
  height: 12px;
  color: var(--encre-2);
  pointer-events: none;
}

.segmented {
  padding: 4px;
  gap: 4px;
}

.segmented button {
  height: 100%;
  padding: 0 12px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--encre-2);
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  transition: background-color 150ms, color 150ms;
}

.segmented button[aria-checked='true'] {
  background: var(--relief);
  color: var(--encre);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 9px;
  border: 1px solid var(--ambre-eteint);
  border-radius: 6px;
  color: var(--ambre);
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag[hidden] {
  display: none;
}

.mic-toggle[aria-pressed='true'] .led {
  background: var(--ambre);
  box-shadow: 0 0 10px rgba(255, 178, 36, 0.8);
}

.mic-toggle[aria-pressed='false'] .mic-label {
  color: var(--encre-2);
}

.scope {
  width: 100%;
  height: 56px;
}

.console-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 12px;
}

.panel {
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
}

.readout-panel,
.chord-panel {
  display: flex;
  flex-direction: column;
  padding: 16px;
  min-width: 0;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--encre-2);
}

.panel-head .label:first-child {
  color: var(--encre-2);
}

.readout {
  position: relative;
  flex: 1;
  display: grid;
  align-content: center;
  justify-items: start;
  min-height: 190px;
  padding: 18px 0 14px;
}

.readout-digits {
  display: flex;
  align-items: flex-end;
  gap: 0;
  transition: opacity 250ms;
}

.readout[data-voiced='false'] .readout-digits {
  opacity: 0.35;
}

.readout-hint {
  margin-top: 10px;
  min-height: 1.4em;
  font-size: 15px;
  color: var(--encre-2);
}

.gauge {
  width: 100%;
  height: 14px;
  transition: opacity 250ms;
}

.gauge-values {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  margin-top: 8px;
  font: 500 13px/1.3 var(--mono);
  font-variant-numeric: tabular-nums;
  transition: opacity 250ms;
}

.gauge-values > :last-child {
  text-align: right;
}

.gauge-values [data-in-tune] {
  color: var(--ambre);
}

.readout-panel[data-voiced='false'] .gauge,
.readout-panel[data-voiced='false'] .gauge-values {
  opacity: 0.4;
}

.chord-main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding-top: 12px;
  transition: opacity 250ms;
}

.chord-panel[data-voiced='false'] .chord-main {
  opacity: 0.55;
}

.chord-text {
  display: grid;
  gap: 10px;
  justify-items: start;
  min-width: 0;
}

.chord-name {
  font-size: clamp(56px, 2.5rem + 3vw, 96px);
  line-height: 0.95;
  font-weight: 600;
  letter-spacing: -0.035em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.chord-hint {
  font-size: 15px;
  color: var(--encre-2);
  min-height: 1.4em;
}

.listen svg {
  width: 11px;
  height: 11px;
  color: var(--ambre);
}

.chord-figure {
  display: grid;
  place-items: center;
  min-width: 0;
}

.chord-figure .diagram {
  width: auto;
  height: auto;
  max-height: 230px;
}

.chord-figure .keys {
  width: min(100%, 420px);
  height: auto;
}

.wind-figure {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.wind-figure .wind {
  width: auto;
  max-width: 100%;
}

.wind-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 600;
}

.wind-note span {
  color: var(--encre-2);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.chord-panel[data-piano] .chord-main {
  grid-template-columns: 1fr;
}

.console-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 0 4px 0 6px;
  color: var(--encre-2);
}

.history {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 2px;
}

.history::-webkit-scrollbar {
  display: none;
}

.history:empty::after {
  content: 'Les accords s’ajoutent ici, note après note.';
  font-size: 14px;
  color: var(--encre-2);
}

.chip {
  flex: none;
  height: 40px;
  padding: 0 14px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-pad);
  color: var(--encre);
  font: 600 17px/1 var(--text);
  letter-spacing: -0.01em;
  transition: border-color 400ms, color 400ms, transform 150ms;
}

.chip:hover {
  border-color: var(--grille);
}

.chip:active {
  transform: scale(0.95);
}

.history li:last-child .chip {
  border-color: var(--ambre-eteint);
  color: var(--ambre);
}

@media (prefers-reduced-motion: no-preference) {
  .chip[data-new] {
    animation: chip-on 600ms ease-out;
  }
}

@keyframes chip-on {
  from {
    background: var(--ambre);
    color: var(--sur-ambre);
  }
}

.clear {
  height: 40px;
}

.clear[hidden] {
  display: none;
}

.console-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 14px 6px 4px;
  border-top: 1px solid var(--filet);
  font-size: 15px;
  color: var(--encre-2);
}

.console-status p {
  max-width: 46rem;
}

.console-status strong {
  color: var(--encre);
  font-weight: 600;
}

.console[data-status='booting'] .console-status {
  visibility: hidden;
}

@media (max-width: 860px) {
  .console-body {
    grid-template-columns: 1fr;
  }

  .readout {
    min-height: 150px;
  }
}

@media (max-width: 560px) {
  .console {
    padding: 10px;
    border-radius: 20px;
  }

  .console-bar .select {
    flex: 1 1 100%;
  }

  .console-bar .select select {
    width: 100%;
  }

  .segmented button {
    padding: 0 9px;
  }

  /* La démo s'annonce dans le bandeau sous la console. */
  .console-bar .tag {
    display: none;
  }

  .mic-toggle {
    padding: 0 12px;
  }

  .chord-main {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .chord-figure {
    justify-self: center;
  }

  .console-foot {
    flex-wrap: wrap;
    padding-top: 6px;
  }

  .console-foot .label {
    flex: 1 1 100%;
  }

  .console-status {
    flex-direction: column;
    align-items: stretch;
  }

  .console-status .button {
    width: 100%;
  }
}

/* ------------------------------------------------------------------ */
/* Sections */

.section {
  padding-block: clamp(88px, 10vw, 152px);
  border-top: 1px solid var(--filet);
}

h2 {
  font-size: clamp(34px, 1.6rem + 2.6vw, 64px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h3 {
  font-size: 20px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-head {
  display: grid;
  gap: 20px;
  max-width: 44rem;
}

.section-head p {
  font-size: 19px;
  line-height: 1.5;
  color: var(--encre-2);
  max-width: 38rem;
}

.section-head p.muted {
  font-size: 15px;
}

.section-action {
  padding-top: 8px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 48px 72px;
  align-items: start;
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
  }
}

/* Mélodie : piano-roll et grille */

.roll-figure {
  margin-top: clamp(40px, 5vw, 64px);
  padding: 18px 18px 22px;
}

.roll-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--encre-2);
}

.roll-head .play {
  height: 40px;
}

.play svg {
  width: 11px;
  height: 11px;
  color: var(--ambre);
}

.play .icon-stop,
.play[aria-pressed='true'] .icon-play {
  display: none;
}

.play[aria-pressed='true'] .icon-stop {
  display: block;
}

.play[aria-pressed='true'] {
  border-color: var(--ambre-eteint);
}

.roll {
  margin-top: 18px;
  overflow-x: auto;
}

.roll .playhead {
  opacity: 0;
  transition: opacity 200ms;
}

.roll[data-playing] .playhead {
  opacity: 1;
}

.roll .roll-note {
  transition: opacity 200ms;
}

.roll[data-playing] .roll-note:not([data-active]) {
  opacity: 0.35;
}

.roll .roll-note[data-active] rect {
  filter: drop-shadow(0 0 6px rgba(255, 178, 36, 0.85));
}

.roll-card {
  border-radius: 12px;
  transition: opacity 200ms, box-shadow 200ms, background-color 200ms;
}

.roll-chords[data-playing] .roll-card:not([data-active]) {
  opacity: 0.4;
}

.roll-card[data-active] {
  background: var(--relief);
  box-shadow: inset 0 0 0 2px var(--ambre);
}

.roll svg {
  width: 100%;
  min-width: 620px;
  height: auto;
}

.roll-chords {
  display: flex;
  gap: 4px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--filet);
  overflow-x: auto;
}

.roll-chords > * {
  flex: none;
}

.roll-chords .piano-card {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 10px;
}

.roll-chords .piano-card strong {
  font-weight: 700;
  font-size: 16px;
}

.roll-chords .wind-card {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 10px;
}

.roll-chords .wind-card strong {
  font-weight: 700;
  font-size: 16px;
}

.roll-chords .piano-card .keys {
  width: 176px;
  height: auto;
}

.roll-figure figcaption {
  margin-top: 16px;
  font-size: 14px;
  color: var(--encre-2);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-top: clamp(48px, 6vw, 80px);
  counter-reset: step;
}

.steps li {
  display: grid;
  align-content: start;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--filet);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-bottom: 6px;
  border: 1px solid var(--ambre-eteint);
  border-radius: 6px;
  color: var(--ambre);
  font: 600 13px/1 var(--mono);
}

.steps p {
  color: var(--encre-2);
  font-size: 16px;
}

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* Accords grattés */

.chroma-figure {
  padding: 18px;
}

.chroma {
  width: 100%;
  height: 190px;
  margin-top: 22px;
}

.chroma-labels {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: max(4px, 1.2%);
  margin-top: 10px;
  text-align: center;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--encre-2);
}

@media (max-width: 560px) {
  .chroma-labels {
    font-size: 8.5px;
    letter-spacing: 0;
  }
}

.chroma-labels li[data-lit] {
  color: var(--ambre);
}

.chroma-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px 24px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--filet);
  color: var(--encre-2);
}

.chroma-name {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.chroma-name strong {
  font-size: clamp(48px, 2rem + 2.4vw, 72px);
  line-height: 0.95;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--encre);
}

.chroma-where {
  font-size: 15px;
}

.chroma-diagram {
  display: grid;
  place-items: center;
  min-height: 1px;
}

.chroma-diagram .keys {
  width: min(100%, 300px);
  height: auto;
}

@media (max-width: 520px) {
  .chroma-result {
    grid-template-columns: 1fr;
  }

  .chroma-diagram {
    justify-self: center;
  }
}

/* Instruments : le même accord sur chaque instrument, en tableau de
   doigtés. Les filets entre les cases sont le fond de la grille. */

.chart-caption {
  margin-top: clamp(36px, 4.5vw, 56px);
  font-size: 17px;
  color: var(--encre-2);
}

.chart-caption strong {
  color: var(--ambre);
  font-weight: 600;
}

.chart {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 216px), 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--filet);
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
  overflow: hidden;
}

.chart li {
  display: grid;
  background: var(--boitier);
}

.tuning {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 0;
  background: transparent;
  color: var(--encre);
  text-align: left;
  transition: background-color 150ms;
}

.tuning:hover {
  background: var(--facade);
}

.tuning:focus-visible {
  outline-offset: -3px;
}

.tuning-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tuning .name {
  font-size: 16px;
  font-weight: 500;
}

.tuning[data-current] {
  background: var(--facade);
}

.tuning[data-current] .led {
  background: var(--ambre);
  box-shadow: 0 0 10px rgba(255, 178, 36, 0.7);
}

.tuning .strings {
  padding-left: 18px;
  font: 500 12px/1.3 var(--mono);
  color: var(--encre-2);
}

.tuning-figure {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding-top: 6px;
}

.tuning-figure .keys {
  width: 100%;
  max-width: 220px;
  height: auto;
}

.wind-arpeggio {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
}

.wind-arpeggio.slide {
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Les notes se jouent l'une après l'autre : une flèche entre chacune. */
.wind-arpeggio > .wind-step + .wind-step::before {
  content: '→';
  position: absolute;
  left: -10px;
  top: 40%;
  transform: translateX(-50%);
  color: var(--ambre);
  font: 600 13px/1 var(--mono);
}

.wind-arpeggio.slide > .wind-step + .wind-step::before {
  content: '↓';
  left: 50%;
  top: -10px;
}

.wind-step {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  font: 500 12px/1.2 var(--mono);
  color: var(--encre-2);
}

.wind-arpeggio.slide .wind-step {
  grid-template-columns: auto 3.5em;
  align-items: center;
  gap: 8px;
}

@media (max-width: 560px) {
  .wind-arpeggio {
    gap: 14px;
  }

  .wind-arpeggio > .wind-step + .wind-step::before {
    left: -7px;
  }

  .wind-arpeggio:not(.slide) .wind {
    height: 56px;
    width: auto;
  }

  .wind-arpeggio .wind[viewBox$=" 230"] {
    height: 88px;
  }

  .wind-arpeggio.slide .wind {
    height: 36px;
    width: auto;
  }

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

  .tuning {
    padding: 12px 10px 14px;
  }

  .tuning .name {
    font-size: 14px;
  }

  .tuning .strings {
    padding-left: 18px;
    font-size: 10.5px;
  }

  .tuning-figure {
    min-height: 112px;
  }

  .tuning-figure .diagram {
    width: 100%;
    max-width: 132px;
    height: auto;
  }
}

/* Le reste de l'atelier */

.extras {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
}

.extras div {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 0 30px;
  border-top: 1px solid var(--filet);
}

.extras dt {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.extras dd {
  color: var(--encre-2);
}

@media (max-width: 560px) {
  .extras {
    grid-template-columns: 1fr;
  }
}

/* Confidentialité */

.section-head p + p {
  margin-top: -4px;
}

.privacy-figure {
  padding: 18px;
}

.privacy-digits {
  display: flex;
  justify-content: flex-end;
  padding: 36px 8px 18px;
  overflow: hidden;
}

/* Téléchargement : la signature FREDON en 14 segments. */

.download-inner {
  display: grid;
  gap: clamp(40px, 5vw, 64px);
}

.wordmark {
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px 48px;
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--filet);
}

.download-text {
  display: grid;
  gap: 16px;
  max-width: 36rem;
}

.download p {
  font-size: 19px;
  color: var(--encre-2);
}

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.store {
  display: grid;
  flex: 1 1 200px;
  gap: 6px;
  min-width: 200px;
  padding: 14px 18px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-button);
  text-decoration: none;
  transition: border-color 150ms, transform 150ms;
}

.store[href]:hover {
  border-color: var(--grille);
}

.store[href]:active {
  transform: scale(0.98);
}

.store-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.store[data-live] .label {
  color: var(--ambre);
}

/* Pied de page */

.footer {
  border-top: 1px solid var(--filet);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 28px 40px;
  font-size: 14px;
  color: var(--encre-2);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}

/* Pages de texte : confidentialité, aide, guides. Une colonne de lecture
   centrée, un texte clair et assez grand pour être lu longtemps. */
.page {
  padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 9vw, 112px);
}
.prose {
  max-width: 744px;
  margin: 0 auto;
}
.prose.wide {
  max-width: 1240px;
}

/* Guide : en-tête sur toute la largeur, puis la colonne de lecture et, à
   droite, un panneau qui suit la lecture (sommaire, essai, autres guides). */
.guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  column-gap: clamp(48px, 6vw, 96px);
  align-items: start;
}
.guide .prose {
  max-width: none;
  margin: 0;
}
.guide-head {
  grid-column: 1;
  margin-bottom: 8px;
}
.guide-head h1 {
  font-size: clamp(40px, 5.6vw, 72px);
}

.guide-body {
  min-width: 0;
}
.guide-body > h2:first-child {
  margin-top: 8px;
}
.guide-side {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
  margin-top: 6px;
}
.guide-side nav,
.side-cta {
  padding: 22px 24px;
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
  background: var(--facade);
}
.side-title {
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--encre-2);
  margin: 0 0 14px;
}
.guide-side ol,
.guide-side ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.guide-side li a {
  display: block;
  padding: 7px 0 7px 14px;
  border-left: 2px solid var(--relief);
  color: var(--encre-2);
  font-size: 15px;
  line-height: 1.35;
  text-decoration: none;
  transition: color 150ms, border-color 150ms;
}
.guide-side li a:hover,
.guide-side li a[aria-current] {
  color: var(--encre);
  border-left-color: var(--ambre);
}
.toc {
  counter-reset: toc;
}
.toc li a::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font: 700 11px/1 var(--mono);
  color: var(--ambre);
  margin-right: 10px;
}
.side-cta {
  border-color: var(--ambre-eteint);
}
.side-cta p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--encre);
}
.side-cta .button {
  width: 100%;
  justify-content: center;
}
@media (max-width: 1023px) {
  .guide {
    grid-template-columns: minmax(0, 1fr);
  }
  .guide-head,
  .guide-side {
    grid-column: 1;
  }
  .guide-side {
    grid-row: auto;
    position: static;
    margin-top: 48px;
  }
  .guide-side .toc {
    display: none;
  }
}
.prose .kicker {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ambre);
  margin: 0 0 20px;
}
.prose .kicker a {
  color: inherit;
  text-decoration: none;
}
.prose h1 {
  font-size: clamp(38px, 5.4vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
}
.prose .lede {
  max-width: none;
  font-size: clamp(19px, 2.1vw, 22px);
  line-height: 1.55;
  color: var(--encre);
  margin: 0 0 44px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--filet);
}
.prose h2 {
  font-size: clamp(25px, 3vw, 31px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  margin: 64px 0 16px;
}
.prose h2::before {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--ambre);
  margin-bottom: 18px;
}
.prose h3 {
  font-size: 20px;
  line-height: 1.3;
  margin: 36px 0 8px;
}
.prose p,
.prose li {
  color: #CDCAC3;
  font-size: 18px;
  line-height: 1.75;
}
.prose p {
  margin: 0 0 18px;
}
.prose strong {
  color: var(--encre);
  font-weight: 600;
}
.prose ul {
  list-style: disc;
}
.prose ol {
  list-style: decimal;
}
.prose ul,
.prose ol {
  padding-left: 1.3em;
  margin: 0 0 22px;
}
.prose li + li {
  margin-top: 8px;
}
.prose li::marker {
  color: var(--ambre);
  font-weight: 700;
}
.prose a {
  color: var(--ambre);
  text-decoration: underline;
  text-decoration-color: var(--ambre-eteint);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.prose a:hover {
  text-decoration-color: var(--ambre);
}
.prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: separate;
  border-spacing: 0;
  margin: 28px 0 32px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
}
.prose th,
.prose td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--filet);
  white-space: nowrap;
}
.prose tr:last-child td {
  border-bottom: 0;
}
.prose th {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ambre);
  background: var(--carter);
}
.prose td {
  font-size: 16px;
  color: #CDCAC3;
}
.prose td:first-child {
  color: var(--encre);
  font-weight: 600;
}
.prose .fine {
  font-size: 14px;
  color: var(--encre-2);
  margin-top: 40px;
}
.footer a {
  color: inherit;
}

/* Sélecteur de langue, dans le pied de page. */
.langs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 2px;
  font-size: 13px;
}
.langs a {
  color: var(--encre-2);
  text-decoration: none;
  padding: 2px 4px;
}
.langs a:hover,
.langs a[aria-current='page'] {
  color: var(--ambre);
}

/* Guides : diagrammes d'accords dans le texte, liste des guides. */
.prose figure[data-chords] {
  margin: 32px 0;
  padding: 20px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
}
.guide-chords {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
}
.guide-chord svg {
  display: block;
  width: 132px;
  height: auto;
}
@media (max-width: 480px) {
  .guide-chord svg {
    width: 104px;
  }
}
.prose figure[data-chords] figcaption {
  margin-top: 14px;
  font-size: 14px;
  color: var(--encre-2);
}
.prose .cta {
  margin-top: 48px;
  padding: 24px;
  border: 1px solid var(--ambre-eteint);
  border-radius: var(--r-card);
  background: var(--facade);
}
.prose .cta p {
  margin: 0 0 16px;
  color: var(--encre);
}
.prose .guide-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
  gap: 16px;
}
.prose .guide-list li {
  margin: 0;
}
.prose.wide .lede {
  max-width: 880px;
}
.guide-list a {
  display: block;
  height: 100%;
  padding: 18px 20px;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: var(--r-card);
  text-decoration: none;
}
.guide-list a:hover {
  border-color: var(--ambre-eteint);
}
.guide-list strong {
  display: block;
  color: var(--encre);
  font-size: 18px;
  line-height: 1.35;
  margin-bottom: 8px;
}
.guide-list span {
  display: block;
  color: var(--encre-2);
  font-size: 15px;
  line-height: 1.55;
}

/* Schémas des guides, dessinés en SVG. */
.prose figure.diagram {
  margin: 28px 0;
}
.guide-figure {
  display: block;
  width: 100%;
  height: auto;
}
.prose figure.diagram figcaption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--encre-2);
}

/* Sélecteur de langue, en haut à droite. */
.lang-picker {
  position: relative;
  margin-left: -16px;
}
.lang-picker summary {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--filet);
  border-radius: 999px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.08em;
  color: var(--encre-2);
  cursor: pointer;
  list-style: none;
  transition: color 150ms, border-color 150ms;
}
.lang-picker summary::-webkit-details-marker {
  display: none;
}
.lang-picker summary:hover,
.lang-picker[open] summary {
  color: var(--encre);
  border-color: var(--relief);
}
.lang-picker svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
}
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 200px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--facade);
  border: 1px solid var(--filet);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.lang-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 9px;
  color: var(--encre-2);
  font-size: 15px;
  text-decoration: none;
}
.lang-menu a span {
  width: 22px;
  font: 700 11px/1 var(--mono);
  color: var(--encre-2);
}
.lang-menu a:hover {
  background: var(--relief);
  color: var(--encre);
}
.lang-menu a[aria-current='page'] {
  color: var(--encre);
}
.lang-menu a[aria-current='page'] span {
  color: var(--ambre);
}


/* ================================================================== */
/* Palettes. La page lit ses couleurs dans ces jetons ; les anciens noms
   (boîtier, façade, ambre…) en dérivent. Sauge par défaut ; les autres
   restent pour comparer, avec ?palette=nom dans l'adresse. */

[data-palette='nuit'] {
  --page: #0D0E10;
  --page-2: #121316;
  --surface: #16181B;
  --ink: #ECE9E2;
  --soft: #8C8F96;
  --line: #2A2D32;
  --line-strong: #3A3E44;
  --accent: #FFB224;
  --on-accent: #0D0E10;
  --neck: #1E2024;
  --neck-fret: #3F444B;
  --neck-string: #9A9DA4;
  --neck-inlay: #2C2F34;
  --nut: #ECE9E2;
  --hl: #FFB224;
  --seg: #FFB224;
  --seg-ghost: #24272B;
  color-scheme: dark;
}

[data-palette='jaune'] {
  --page: #FFC81F;
  --page-2: #F7BE0E;
  --surface: #FFD34D;
  --ink: #141210;
  --soft: #5C4A12;
  --line: #E6AE0A;
  --line-strong: #8F7414;
  --accent: #141210;
  --on-accent: #FFC81F;
  --neck: #141210;
  --neck-fret: #3D372B;
  --neck-string: #A99E82;
  --neck-inlay: #2A251C;
  --nut: #FFC81F;
  --hl: #FFC81F;
  --seg: #141210;
  --seg-ghost: #EEB716;
  color-scheme: light;
}

[data-palette='papier'] {
  --page: #EDEDEA;
  --page-2: #E4E4E0;
  --surface: #FAFAF8;
  --ink: #121212;
  --soft: #5E5E59;
  --line: #D6D6D0;
  --line-strong: #A3A39C;
  --accent: #121212;
  --on-accent: #FFD21F;
  --neck: #121212;
  --neck-fret: #3A3A37;
  --neck-string: #9A9A93;
  --neck-inlay: #262624;
  --nut: #EDEDEA;
  --hl: #FFD21F;
  --seg: #121212;
  --seg-ghost: #E6E6E1;
  color-scheme: light;
}

:root,
[data-palette='sauge'] {
  --page: #DDE8E3;
  --page-2: #D2DFD9;
  --surface: #EEF3F0;
  --ink: #10231C;
  --soft: #4D6359;
  --line: #C3D3CB;
  --line-strong: #8FA79C;
  --accent: #10231C;
  --on-accent: #FFE14D;
  --neck: #10231C;
  --neck-fret: #3E5A4E;
  --neck-string: #A9BDB4;
  --neck-inlay: #2A4238;
  --nut: #EEF3F0;
  --hl: #FFE14D;
  --seg: #10231C;
  --seg-ghost: #DCE6E1;
  color-scheme: light;
}

[data-palette='minuit'] {
  --page: #0B1633;
  --page-2: #0E1B3D;
  --surface: #12224A;
  --ink: #EEF1FA;
  --soft: #93A0C4;
  --line: #22325E;
  --line-strong: #3A4E86;
  --accent: #FFD21F;
  --on-accent: #0B1633;
  --neck: #070F24;
  --neck-fret: #33467A;
  --neck-string: #93A0C4;
  --neck-inlay: #172548;
  --nut: #EEF1FA;
  --hl: #FFD21F;
  --seg: #FFD21F;
  --seg-ghost: #1A2B58;
  color-scheme: dark;
}

[data-palette='brique'] {
  --page: #E8552D;
  --page-2: #DD4A22;
  --surface: #F06A44;
  --ink: #170A05;
  --soft: #4F1F0E;
  --line: #CF4520;
  --line-strong: #7E2A12;
  --accent: #170A05;
  --on-accent: #FFE14D;
  --neck: #170A05;
  --neck-fret: #45261A;
  --neck-string: #BC917C;
  --neck-inlay: #2E170D;
  --nut: #FFE14D;
  --hl: #FFE14D;
  --seg: #170A05;
  --seg-ghost: #E25F38;
  color-scheme: light;
}

:root {
  --boitier: var(--page);
  --carter: var(--page-2);
  --facade: var(--surface);
  --relief: var(--line);
  --filet: var(--line);
  --grille: var(--line-strong);
  --encre: var(--ink);
  --encre-2: var(--soft);
  --ambre: var(--accent);
  --ambre-eteint: var(--line-strong);
  --sur-ambre: var(--on-accent);
}

body {
  background-image: none;
  font-stretch: 100%;
}

/* Hors de la console, pas de capitales espacées : des mots, simplement. */
.button,
.store-pill-name,
.store-pill-small,
.label:not(.console .label) {
  text-transform: none;
  letter-spacing: 0;
}

.button {
  font: 600 16px/1 var(--text);
  border-radius: 6px;
}

.button.small {
  font-size: 14px;
}

/* ------------------------------------------------------------------ */
/* Haut de page : le titre en très grand, étroit, puis le manche. */

.hero {
  padding-top: clamp(24px, 4vw, 56px);
}

.hero-head {
  display: block;
  margin-bottom: 0;
}

.hero h1 {
  font-weight: 900;
  font-stretch: 62%;
  font-size: clamp(58px, 1rem + 7.6vw, 136px);
  line-height: 0.86;
  letter-spacing: -0.01em;
}

.hero-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px 48px;
  margin-top: clamp(24px, 3vw, 40px);
}

.hero-row .lede {
  max-width: 27em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-actions .hero-stores {
  display: flex;
  gap: 8px;
}

.store-pill {
  border-radius: 6px;
}

.neck {
  margin: clamp(40px, 5vw, 64px) 0 0;
}

.neck-caption {
  min-height: 1.5em;
  margin-bottom: 14px;
  font-size: 18px;
  font-weight: 600;
}

.neck-board {
  background: var(--neck);
  min-height: 120px;
}

.neck[data-kind='fretted'] .neck-board svg {
  width: 100%;
  height: auto;
}

.neck-wind svg {
  flex: none;
  width: auto;
}

.neck-keys {
  padding: 18px 0 0;
}

.neck-wind {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 5vw, 72px);
  padding: 28px var(--gutter);
  color: var(--nut);
}

.neck-written {
  font-weight: 900;
  font-stretch: 62%;
  font-size: clamp(72px, 10vw, 160px);
  line-height: 1;
}

.hero .fine {
  margin: 14px 0 clamp(28px, 4vw, 48px);
}

/* ------------------------------------------------------------------ */
/* Console et sections : mêmes jetons, angles plus francs. */

.console {
  border-radius: 10px;
  box-shadow: none;
}

.console::before {
  display: none;
}

.panel {
  border-radius: 8px;
}

.control,
.chip,
.segmented,
.segmented button,
.select select {
  border-radius: 6px;
}

h2 {
  font-weight: 900;
  font-stretch: 70%;
  font-size: clamp(44px, 1.6rem + 4.4vw, 96px);
  line-height: 0.9;
  letter-spacing: -0.005em;
}

.wordmark {
  color: var(--ink);
}

/* Pages de guides et d'aide : mêmes titres étroits, sans capitales. */
.page h1 {
  font-weight: 900;
  font-stretch: 62%;
  line-height: 0.9;
  letter-spacing: -0.005em;
}

.kicker {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--text);
}

/* ================================================================== */
/* Néomorphisme : chaque élément a la couleur du fond et sort de la page,
   ou s'y enfonce, sous deux ombres douces, une claire en haut à gauche,
   une sombre en bas à droite. ?style=plat montre le site sans relief. */

:root:not([data-style='plat']) {
  --neo-light: color-mix(in srgb, var(--page) 35%, white);
  --neo-dark: color-mix(in srgb, var(--page) 68%, var(--ink));
  --neo-out: 10px 10px 22px var(--neo-dark), -10px -10px 22px var(--neo-light);
  --neo-out-soft: 5px 5px 12px var(--neo-dark), -5px -5px 12px var(--neo-light);
  --neo-in: inset 6px 6px 12px var(--neo-dark), inset -6px -6px 12px var(--neo-light);
  --surface: var(--page);
}

:root:not([data-style='plat']) .button,
:root:not([data-style='plat']) .store-pill,
:root:not([data-style='plat']) .control,
:root:not([data-style='plat']) .chip,
:root:not([data-style='plat']) .nav .lang,
:root:not([data-style='plat']) .steps li::before {
  background: var(--page);
  border-color: transparent;
  border-radius: 14px;
  box-shadow: var(--neo-out-soft);
  transition: box-shadow 150ms, transform 150ms;
}

:root:not([data-style='plat']) .button:active,
:root:not([data-style='plat']) .store-pill[href]:active,
:root:not([data-style='plat']) button.control:active:not(:disabled),
:root:not([data-style='plat']) .chip:active {
  box-shadow: var(--neo-in);
  transform: none;
}

:root:not([data-style='plat']) .button.primary {
  background: var(--ink);
  color: var(--hl);
  box-shadow: var(--neo-out);
}

:root:not([data-style='plat']) .button.primary:active {
  box-shadow: var(--neo-in), inset 0 0 0 100px rgba(0, 0, 0, 0.15);
}

:root:not([data-style='plat']) .segmented {
  background: var(--page);
  border: 0;
  border-radius: 14px;
  box-shadow: var(--neo-in);
  padding: 4px;
}

:root:not([data-style='plat']) .segmented button {
  border-radius: 10px;
}

:root:not([data-style='plat']) .segmented button[aria-checked='true'] {
  background: var(--page);
  box-shadow: var(--neo-out-soft);
}

:root:not([data-style='plat']) .select {
  box-shadow: var(--neo-in);
  border: 0;
}

:root:not([data-style='plat']) .console {
  background: var(--page);
  border: 0;
  border-radius: 28px;
  box-shadow: var(--neo-out);
  padding: 20px;
  gap: 20px;
}

:root:not([data-style='plat']) .panel {
  background: var(--page);
  border: 0;
  border-radius: 22px;
  box-shadow: var(--neo-in);
}

:root:not([data-style='plat']) .chart,
:root:not([data-style='plat']) .roll-figure,
:root:not([data-style='plat']) .chroma-figure,
:root:not([data-style='plat']) .privacy-figure {
  border: 0;
  box-shadow: var(--neo-out);
  border-radius: 28px;
  overflow: hidden;
}

:root:not([data-style='plat']) .chart li,
:root:not([data-style='plat']) .tuning {
  background: var(--page);
}

:root:not([data-style='plat']) .tuning[data-current] {
  box-shadow: var(--neo-in);
}

/* Le manche est encastré dans la page, comme dans un logement. */
:root:not([data-style='plat']) .neck-board {
  margin-inline: var(--gutter);
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    8px 8px 18px var(--neo-dark),
    -8px -8px 18px var(--neo-light),
    inset 0 0 0 6px var(--page),
    inset 0 0 0 7px var(--neo-dark);
}

:root:not([data-style='plat']) .neck-caption {
  padding-inline: calc(var(--gutter) * 2);
}