/* Showcase MusicBox : scène fixe 1920 x 1080, mise à l'échelle de l'écran.
   Palette fermée du design system TMB, Modak réservé aux titres. */
:root {
  --petrol: #264C6E;
  --petrol-dark: #1A3550;
  --ivory: #FDF8EF;
  --coral: #F27B70;
  --sage: #A3C9A8;
  --sage-light: #E8F2EA;
  --sage-deep: #3D6B47;
  --yellow: #FFD882;
  --yellow-light: #FFF4D6;
  --fg1: #1F2937;
  --fg2: #4B5563;
  --ink: var(--petrol);

  --f-brand: 'Modak', 'Nunito Sans', system-ui, sans-serif;
  --f-head: 'Nunito Sans', system-ui, sans-serif;
  --f-body: 'Figtree', system-ui, -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #10202f; overflow: hidden; }
body { font-family: var(--f-body); color: var(--ink); -webkit-font-smoothing: antialiased; }

.viewport { position: fixed; inset: 0; }
.stage {
  position: absolute; left: 50%; top: 50%; width: 1920px; height: 1080px; overflow: hidden;
  transform: translate(-50%, -50%) scale(var(--k, 1)); transform-origin: center;
  color: var(--ink);
}

.bgfields, .bgfield, .gl, .links, .fx { position: absolute; inset: 0; }
.gl { width: 1920px; height: 1080px; }
.links { pointer-events: none; overflow: visible; }
#link-path { fill: none; stroke: var(--petrol); stroke-width: 3; stroke-dasharray: 2 14; stroke-linecap: round; opacity: 0; }
#link-dots circle { fill: var(--coral); opacity: 0; }
#link-badge { opacity: 0; }
#link-badge rect { fill: var(--petrol); }
#link-badge text { fill: var(--ivory); font: 700 20px var(--f-head); letter-spacing: .02em; }

.fx { pointer-events: none; }
.sound, .nfc-ping {
  position: absolute; left: 0; top: 0; width: 120px; height: 120px; margin: -60px 0 0 -60px;
  border-radius: 50%; border: 4px solid var(--coral); opacity: 0;
}
.nfc-ping { border-color: var(--petrol); border-width: 3px; }

/* Chrome */
.chrome-top { position: absolute; left: 72px; top: 48px; z-index: 5; }
.lang-switch { position: absolute; right: 72px; top: 50px; z-index: 5; display: flex; gap: 6px; }
.lang-switch button { all: unset; cursor: pointer; padding: 6px 12px; border-radius: 999px; font: 800 16px var(--f-head); letter-spacing: .06em; color: var(--ink); opacity: .45; transition: opacity .3s; }
.lang-switch button:hover { opacity: .8; }
.lang-switch button[aria-pressed="true"] { opacity: 1; box-shadow: inset 0 0 0 2px currentColor; }
.lang-switch button:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.brand { font-family: var(--f-brand); font-size: 40px; line-height: 1; color: var(--petrol); letter-spacing: .01em; transition: color .6s; }
.chrome-bottom { position: absolute; left: 72px; right: 72px; bottom: 44px; z-index: 5; }
.chapters { list-style: none; display: flex; gap: 10px; margin: 0; padding: 0; }
.chapters li { flex: 1; display: flex; color: var(--ink); opacity: .45; transition: opacity .4s, color .6s; }
.chapters button { all: unset; flex: 1; display: grid; gap: 10px; padding: 8px 0; margin: -8px 0; font: 700 15px var(--f-head); letter-spacing: .06em; text-transform: uppercase; color: inherit; cursor: pointer; }
.chapters li:hover { opacity: .8; }
.chapters button:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 4px; }
.chapters li i { display: block; height: 5px; border-radius: 3px; background: color-mix(in srgb, currentColor 22%, transparent); overflow: hidden; }
.chapters li i b { display: block; height: 100%; width: 100%; background: currentColor; transform-origin: left; transform: scaleX(0); }
.chapters li.on { opacity: 1; }

/* Blocs de texte */
.blk { position: absolute; z-index: 4; visibility: hidden; display: grid; gap: 22px; align-content: start; }
.blk > * { margin: 0; }
.display { font-family: var(--f-brand); font-weight: 400; font-size: 138px; line-height: .86; letter-spacing: -.005em; color: var(--petrol); text-wrap: balance; }
.display.md { font-size: 120px; }
.kicker { font: 800 22px var(--f-head); letter-spacing: .12em; text-transform: uppercase; color: var(--coral); display: inline-flex; align-items: center; gap: 12px; }
.kicker::before { content: ''; width: 12px; height: 12px; border-radius: 50%; background: currentColor; }
.big { font: 800 64px/1.06 var(--f-head); letter-spacing: -.01em; text-wrap: balance; color: var(--ink); }
.big.sm { font-size: 52px; }
.lead { font: 500 34px/1.3 var(--f-body); color: var(--fg2); max-width: 24ch; text-wrap: pretty; }
.lead.strong { font: 800 44px/1.1 var(--f-head); color: var(--petrol); max-width: none; }
.note { font: 500 26px/1.38 var(--f-body); color: var(--fg2); max-width: 36ch; }
.tag { font: 800 30px var(--f-head); justify-self: start; padding: 10px 22px; border-radius: 999px; background: var(--yellow); color: var(--petrol); }

.blk-intro { left: 1000px; top: 250px; width: 880px; }
.blk-gesture { left: 1080px; top: 300px; width: 760px; }
.blk-fig { left: 1080px; top: 270px; width: 760px; }
.blk-app { left: 1450px; top: 170px; width: 410px; gap: 26px; }
.blk-offline { left: 1060px; top: 280px; width: 780px; }
/* Chapitre hors ligne : ce dont la box n'a pas besoin, barré d'un trait corail. */
.nope { left: 780px; top: 330px; list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.nope li { position: relative; justify-self: start; padding: 10px 26px; border: 3px solid var(--petrol); border-radius: 999px; font: 800 28px var(--f-head); color: var(--petrol); background: var(--ivory); }
.nope li i { position: absolute; left: -8px; right: -8px; top: 50%; height: 5px; margin-top: -2px; border-radius: 3px; background: var(--coral); transform: scaleX(0); transform-origin: left; }
.blk-inside { left: 1060px; top: 190px; width: 780px; }
.blk-maker { left: 96px; top: 170px; width: 860px; }
.blk-open { left: 96px; top: 190px; width: 860px; }
.blk-open .lead, .blk-maker .lead { max-width: 30ch; }
.blk-story { left: 1020px; top: 130px; width: 820px; }
.blk-cta { left: 96px; top: 150px; width: 1180px; gap: 28px; }
.blk-cta .display { font-size: 124px; }
.blk-cta .lead, .blk-cta .note { color: var(--petrol); }

/* Étapes de l'app */
.steps-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.steps-list li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; opacity: .32; transition: opacity .5s var(--ease-out); }
.steps-list li.on { opacity: 1; }
.steps-list li.done { opacity: .6; }
.steps-list .n { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: var(--ivory); color: var(--petrol); font: 800 26px var(--f-head); border: 2px solid var(--petrol); }
.steps-list li.on .n { background: var(--petrol); color: var(--ivory); }
.steps-list li.done .n { background: var(--sage); border-color: var(--sage); }
.steps-list h3 { margin: 6px 0 4px; font: 800 30px/1.1 var(--f-head); }
.steps-list p { margin: 0; font: 500 22px/1.35 var(--f-body); color: var(--fg2); display: none; }
.steps-list li.on p { display: block; }
.steps-list .stamp { margin-top: 12px; font: 800 22px var(--f-head); color: var(--sage-deep); }
.play-line { font-size: 56px; }

/* Fond pétrole */
.stage.is-dark { --ink: var(--ivory); }
.is-dark .lead, .is-dark .note { color: color-mix(in srgb, var(--ivory) 82%, var(--petrol)); }
.is-dark .brand, .is-dark .display { color: var(--ivory); }
.is-dark .kicker { color: var(--yellow); }

/* Specs maker */
.spec { margin: 0; display: grid; border-top: 2px solid var(--petrol); }
.spec > div { display: grid; grid-template-columns: 250px 1fr; gap: 24px; padding: 20px 0; border-bottom: 2px solid color-mix(in srgb, var(--petrol) 25%, transparent); }
.spec dt { font: 800 21px var(--f-head); letter-spacing: .1em; text-transform: uppercase; color: var(--petrol); padding-top: 7px; }
.spec dd { margin: 0; font: 600 32px/1.25 var(--f-body); color: var(--fg1); }

/* Histoire */
.quote { margin: 0; font: 800 50px/1.12 var(--f-head); color: var(--petrol); text-wrap: balance; display: grid; gap: 22px; }
.quote span::before { content: '« '; color: var(--coral); }
.quote span::after { content: ' »'; color: var(--coral); }
:lang(en) .quote span::before { content: '“'; }
:lang(en) .quote span::after { content: '”'; }
/* Nom du projet dans le texte : sur sa propre ligne, en Modak, rouge du DS (corail). */
.brand-word { display: block; margin: 0 0 6px; font-family: var(--f-brand); font-weight: 400; font-size: 1.35em; line-height: 1.1; color: var(--coral); letter-spacing: .01em; }
.quote cite { font: 600 26px var(--f-body); font-style: normal; color: var(--fg2); }

/* Photo réelle (chapitre histoire) */
.photo { position: absolute; left: 110px; top: 190px; width: 780px; margin: 0; padding: 18px 18px 64px; background: #fff; border-radius: 6px; box-shadow: 0 30px 60px -30px rgba(26, 53, 80, .45); transform: rotate(-2.5deg); z-index: 3; visibility: hidden; }
.photo img { display: block; width: 100%; height: auto; border-radius: 2px; }

/* CTA */
.qr-row { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; margin-top: 18px; }
.qr { width: 260px; height: 260px; padding: 18px; background: var(--ivory); border-radius: 26px; }
.qr svg { width: 100%; height: 100%; display: block; }
.url { margin: 8px 0 14px; font: 500 32px var(--f-mono); color: var(--petrol); }

.loading { position: absolute; inset: 0; display: grid; place-items: center; background: var(--ivory); font: 400 120px var(--f-brand); color: var(--petrol); z-index: 20; }
.loading.is-error { font: 600 32px var(--f-body); padding: 0 200px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  .steps-list li, .chapters li, .brand { transition: none; }
}