/* Fonts chargées via <link rel="preconnect"> + <link rel="stylesheet"> dans le <head> de chaque page (voir index.html). Ne pas remettre en @import : requête render-blocking chaînée. */

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── PREVIEW dark-mode adouci (2026-07-16) : noir pur -> gris très foncé,
     texte off-white, surfaces relevées. Voir SITE_TODO « Piste UX ». ── */
  --bg:        #0e0e10;   /* ex #000000 — plus de halation */
  --bg-2:      #141417;   /* surface relevée 1 */
  --bg-3:      #1a1a1e;   /* surface relevée 2 (cartes) */
  --border:    #242428;   /* ex #1a1a1a */
  --border-2:  #303036;   /* ex #2a2a2a */
  --text-1:    #f1f1f2;   /* ex #ffffff — off-white, titres */
  --text-2:    #c6c6ca;   /* ex #aaaaaa — corps, plus lisible */
  --text-3:    #8a8a94;   /* ex #6a6a72 — relevé, contraste AA (5.2:1 sur --bg, tâche 9) */
  --text-4:    #42424a;   /* ex #333333 — relevé */

  /* ── Token sémantique (2026-07-19, tâche 9) : couleur de signal, extraite
     des particules du canvas du hero. Recoupe partiellement (7 sur 16) le
     code couleur des chips d'effets de la page Granulate, sans alignement
     complet : ce chantier reste à faire, voir SITE_TODO. ── */
  --a-signal: #4d9eff;  /* liens, focus ring, état actif, 7.03 */

  /* ── Typographie (2026-07-19) : Archivo en titres, Inter en corps.
     Registre "sérigraphie de face avant de rack", pas "SaaS/IA". ── */
  --font-display: 'Archivo', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --fs-hero:  clamp(2.5rem, 6vw, 4rem);
  --fs-h1:    2rem;
  --fs-h2:    1.5rem;
  --fs-h3:    1.125rem;
  --fs-body:  0.875rem;
  --fs-sm:    0.8125rem;
  --fs-label: 0.6875rem;

  --lh-hero: 0.95;  --lh-head: 1.15;  --lh-body: 1.6;  --lh-dense: 1.4;
  --lh-prose: 1.8; /* prose de lecture continue (article, about, hero produit) */
  --ls-hero: -0.03em;  --ls-head: -0.01em;
  --ls-body: 0;        --ls-label: 0.12em;

  /* ── Échelle d'espacement (2026-07-19, densité) : remplace les paddings
     de section hérités du calibre "landing SaaS" (96px) par un rythme
     plus dense, porté par des séparateurs 1px plutôt que par du vide. ── */
  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 24px;  --sp-6: 32px;  --sp-7: 48px;  --sp-8: 64px;

  /* ── Motion (2026-07-19, tâche 8) : registre "outil", pas "SaaS",
     transitions d'état resserrées, ease-out à l'entrée. ── */
  --dur-fast: 120ms;
  --dur-base: 160ms;
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
}

html { scroll-behavior: smooth; }

/* Page transition */
body { animation: pageFadeIn 0.15s ease both; }
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
body.page-exit {
  animation: pageFadeOut 0.15s ease forwards;
}
@keyframes pageFadeOut {
  to { opacity: 0; }
}

/* Cursor glow on card */
.plugin-card-hero-visual {
  --gx: 50%; --gy: 50%;
}
.plugin-card-hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(300px circle at var(--gx) var(--gy), rgba(255,255,255,0.04), transparent 70%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s;
}
.plugin-card-hero-visual:hover::before { opacity: 1; }

body {
  background: var(--bg);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Titres : Archivo 700 partout, socle générique. Les tailles restent
   portées par les classes spécifiques (.hero-animated-content h1, .product-title, etc.) ;
   cette règle ne fixe que famille/graisse/tracking pour tout h1/h2 qui
   n'a pas de classe dédiée (ex. les h2 promus depuis d'anciens .section-label). ── */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.98;
  text-transform: none;
}

/* Focus clavier visible (n'apparaît pas au clic souris grâce à :focus-visible).
   Sélecteur universel (tâche 9) : couvre aussi bien les <a>/<button>/<input>
   que les éléments moins standards (summary des <details> FAQ, div[tabindex]
   du lecteur audio) sans avoir à lister chaque cas. */
:focus-visible {
  outline: 2px solid var(--a-signal);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ─── Nav ─── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px var(--sp-6);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-body);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo span { color: var(--text-1); font-weight: 700; }
.nav-logo-img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.85;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-1); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  text-decoration: none;
}
.btn-primary {
  background: var(--text-1);
  color: var(--bg);
}
.btn-primary:hover { background: #ccc; }

.btn-ghost {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { border-color: #555; color: var(--text-2); }

/* Statut non cliquable, même gabarit que les boutons (produit pas encore dispo) */
.btn-inert {
  background: transparent;
  color: var(--text-3);
  border: 1px dashed var(--border-2);
  cursor: default;
  transition: none;
}

.btn-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* ─── Section ─── */
.section {
  padding: var(--sp-7) var(--sp-6);
  border-top: 1px solid var(--border);
}
/* Évite le doublage de filet quand la .section suit un élément déjà bordé (nav, trust-strip) */
nav + .section,
.trust-strip + .section {
  border-top: none;
}

/* Titres de section réellement fonctionnels, promus en <h2> lors de l'audit
   typo du 2026-07-19 (Demo / Specifications / FAQ / Controls & shortcuts,
   granulate.html) : ce sont les seuls identifiants textuels de ces blocs,
   contrairement aux .section-label décoratifs retirés ailleurs sur le site.
   Hérite famille/graisse/tracking de la règle h1,h2 ; ne fixe que la taille
   et la marge (celle-ci reprend l'ancien margin-bottom de .section-label,
   sans changement d'espacement global). */
.section-h2 {
  font-size: var(--fs-h2);
  margin-bottom: 48px;
}

/* Titre principal des pages éditoriales (About, Contact). Règle unique
   partagée : les anciennes règles .about-aside h2 / .contact-info h2 étaient
   mortes depuis la promotion de ces titres en <h1>, ce qui faisait retomber
   le h1 sur la taille par défaut du navigateur. Le line-height explicite
   neutralise le 0.98 de la règle générique h1,h2, illisible sur le titre
   multiligne de Contact. */
.page-title {
  font-size: var(--fs-h1);
  line-height: var(--lh-head);
  color: var(--text-1);
  margin-bottom: 16px;
}

/* ─── Plugin badge / tags (partagés avec .plugin-card-hero) ─── */
.plugin-badge {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  background: var(--text-1);
  color: var(--bg);
  align-self: flex-start;
}

.plugin-type {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

/* Mode bêta : cet emplacement porte le statut produit, pas un prix. La taille
   est déclarée ici et non plus forcée en inline (la déclaration mentait sur le
   rendu réel). Renommée .plugin-price -> .plugin-status en conséquence. */
.plugin-status {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
}
.plugin-price-note {
  font-size: var(--fs-label);
  color: var(--text-3);
  margin-top: 2px;
  letter-spacing: 0.04em;
}

.plugin-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.plugin-tag {
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text-3);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.plugin-tag.tag-visible {
  opacity: 1;
  transform: scale(1);
}

/* ─── Footer ─── */
footer {
  padding: 16px var(--sp-6);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}
.footer-links a {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-links a:hover { color: var(--text-2); }

.footer-copy {
  font-size: var(--fs-label);
  color: var(--text-3);
  letter-spacing: 0.04em;
}

/* ─── Page : Granulate ─── */

.product-title {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.product-subtitle {
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 24px;
}
.product-desc {
  font-size: var(--fs-body);
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 68ch;
}

.specs-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
  line-height: var(--lh-dense);
}
.specs-row:last-child { border-bottom: none; }
.specs-label { color: var(--text-3); white-space: nowrap; flex-shrink: 0; }
.specs-value { color: var(--text-1); font-weight: 600; text-align: right; }

/* Chiffres de la table en Inter avec tnum : le tabular-nums d'Inter est plus
   fiable que celui d'Archivo pour l'alignement vertical des colonnes.
   Nom réel de la classe = .specs-value (le brief tâche 6 l'écrivait .spec-value). */
.specs-table, .specs-value {
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
}

/* ─── Page : À propos ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
}
.about-body p {
  font-size: var(--fs-body);
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 68ch;
}

/* ─── Page : Contact ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info p {
  font-size: var(--fs-body);
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 68ch;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.contact-detail-label {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  min-width: 80px;
}

form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
label {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
input, textarea, select {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  padding: 12px 16px;
  transition: border-color var(--dur-fast) var(--ease-out);
  width: 100%;
}
input:focus, textarea:focus { border-color: #555; }
textarea { resize: vertical; min-height: 120px; }
#form-status {
  display: none;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-2);
}


/* ─── Hero animé ─── */
.hero-animated {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-animated-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 0 32px;
}

.hero-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
  margin: 0 auto 20px;
  display: block;
  filter: grayscale(1);
  opacity: 0.9;
}

.hero-animated-content h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 24px;
  text-align: center;
  white-space: nowrap;
}

.hero-animated-content h1 span {
  display: inline;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ── Glitch text (SEO/a11y safe) ──────────────────────────────────────
   `.glitch-label` = texte réel permanent (indexé par Google, lu par les
   lecteurs d'écran). `.glitch-fx` = couche décorative animée par le JS.
   Sans JS, le label reste visible et la couche fx est masquée. */
/* .glitch prefix = spécificité suffisante pour battre `.hero-animated-content h1 span`
   (sinon fx s'affiche au repos à côté du label → texte en double). */
.glitch .glitch-fx { display: none; }
.glitch.glitch-on .glitch-fx { display: inline; }
.glitch.glitch-on .glitch-label {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.hero-plugin-label {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  text-align: center;
  margin-top: -16px;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: var(--fs-body);
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 48px;
  text-align: center;
  max-width: 68ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-scroll-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-cta:hover { color: var(--text-1); }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ─── Plugin section (homepage) ─── */
.plugin-section {
  padding: var(--sp-7) var(--sp-6);
}

.plugin-card-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
}

.plugin-card-hero-visual {
  position: relative;
  min-width: 0;
  background: var(--bg-3);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.plugin-card-hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.plugin-card-hero-bg img {
  width: 70%;
  opacity: 0.06;
  filter: grayscale(1);
}

.plugin-card-hero-screen {
  position: relative;
  z-index: 2;
  width: 88%;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.1);
  transition: filter var(--dur-base) var(--ease-out), transform 0.1s ease-out;
}
.plugin-card-hero:hover .plugin-card-hero-screen { filter: grayscale(0); }

.plugin-card-hero-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: 48px 52px;
  gap: var(--sp-4);
}

.plugin-card-hero-top { display: flex; flex-direction: column; }

.plugin-card-hero-name {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 20px 0 6px;
}

.plugin-card-hero-desc {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.8;
  margin-top: 20px;
  max-width: 400px;
}

.plugin-card-hero-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

/* ─── Page Granulate — hero produit ─── */
.product-hero {
  padding: var(--sp-7) var(--sp-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.product-hero-visual {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  overflow: hidden;
}
.product-hero-visual img {
  width: 90%;
  height: auto;
  filter: grayscale(0.1);
}

/* Pont éditorial page produit -> article de fond. Était en styles inline avec
   --text-4 (1.90:1) : passé en classe, à --text-3 (5.6:1). */
.product-guide-link {
  font-size: var(--fs-sm);
  color: var(--text-3);
  margin-top: -16px;
  margin-bottom: 24px;
}
.product-guide-link a {
  color: var(--text-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-price-note {
  font-size: var(--fs-label);
  color: var(--text-3);
  margin-top: 12px;
  letter-spacing: 0.04em;
}

/* ─── Différenciateurs ─── */
.differentiators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.diff-card {
  background: var(--bg);
  padding: 24px 20px;
}

.diff-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.diff-label {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
}

.diff-desc {
  font-size: var(--fs-label);
  color: var(--text-3);
  line-height: 1.65;
}

/* ─── Onglets ─── */
.tabs-wrapper { border: 1px solid var(--border); }

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  position: sticky;
  top: 67px; /* hauteur réelle de la nav sticky (mesurée à 1440px) */
  z-index: 20;
}

.tab-btn {
  flex: 1;
  padding: 14px 8px;
  background: none;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--font-display);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}
.tab-btn:last-child { border-right: none; }
.tab-btn:hover { color: var(--text-1); background: var(--bg-3); }
.tab-btn.active {
  color: var(--text-1);
  background: var(--bg);
  border-bottom: 2px solid var(--text-1);
  margin-bottom: -1px;
}


.tab-panel {
  display: none;
  flex-direction: column;
}
.tab-panel.active {
  display: flex;
  animation: tabFadeIn 0.3s ease both;
}
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.tab-visual {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 64px;
  position: relative;
  overflow: hidden;
}
.tab-mosaic {
  position: absolute;
  inset: -120px;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.tab-mosaic-inner {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  animation: mosaicFloat 12s ease-in-out infinite;
}
.tab-tile {
  flex: 0 0 60px;
  width: 60px;
  height: 60px;
  margin: 20px;
  object-fit: contain;
  opacity: 0.12;
  display: block;
  animation: tilePulse var(--dur, 3s) var(--delay, 0s) linear infinite;
}
@keyframes mosaicFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-28px); }
}
@keyframes tilePulse {
  0%   { opacity: 0; }
  50%  { opacity: 0.5; }
  100% { opacity: 0; }
}
.tab-visual img {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
  position: relative;
  z-index: 1;
}
.tab-placeholder {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 220px;
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px dashed var(--border-2);
  border-radius: 4px;
}

.tab-desc {
  padding: 36px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tab-desc-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-1);
  margin-bottom: 2px;
}

.tab-desc > p {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.75;
  max-width: 68ch;
}

.tab-list {
  list-style: none;
  column-count: 2;
  column-gap: 48px;
}
.tab-list li {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: var(--lh-dense);
  padding-left: 14px;
  position: relative;
  margin-bottom: 12px;
  break-inside: avoid;
}
.tab-list li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--text-3);
}
.tab-list .fx-grid {
  padding-left: 0;
}

.tab-note {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.65;
  max-width: 68ch;
}
.tab-note strong { color: var(--text-2); }
.tab-note code,
.tab-list code {
  font-family: var(--font-mono);
  font-size: 0.95em;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
}

.tab-note-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 48px;
}
.tab-note-cols > p {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.65;
  max-width: none;
  margin: 0;
}

.fx-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.fx-chip {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(128, 128, 128, 0.3);
  border: 1px solid color-mix(in srgb, var(--c) 40%, transparent);
  color: var(--c);
  background: rgba(128, 128, 128, 0.06);
  background: color-mix(in srgb, var(--c) 8%, transparent);
  position: relative;
  overflow: hidden;
}
.fx-chip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.12) 50%, transparent 60%);
  background: linear-gradient(105deg, transparent 40%, color-mix(in srgb, var(--c) 30%, transparent) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: none;
}
.fx-chip:hover::after {
  transform: translateX(100%);
  transition: transform 0.4s ease;
}

/* ─── Cas d'usage ─── */
.use-cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.use-case {
  background: var(--bg);
  padding: 28px 32px;
}

.use-case-title {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.use-case p {
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.7;
}

/* ─── Specs table ─── */
.specs-table {
  max-width: 720px;
  margin: 0 auto;
}

/* ─── Buy section ─── */
.buy-section {
  text-align: center;
}

/* Idem .plugin-status : bloc d'appel à l'action de la page produit, pas un
   prix. Taille déclarée, plus d'override inline. */
.buy-status {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1;
  letter-spacing: -0.02em;
}

.buy-note {
  font-size: var(--fs-sm);
  color: var(--text-3);
  margin-top: 8px;
}

/* ─── Trust strip ─── */
.trust-strip {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
}
.trust-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 16px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.trust-item:last-child { border-right: none; }
.trust-item-label {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}
.trust-item-sub {
  font-size: var(--fs-label);
  color: var(--text-3);
  line-height: 1.4;
  max-width: 68ch;
}

/* Tuile licence : légère mise en avant (poids de grille + filet d'accent)
   sur les 5 tuiles à plat, pour éviter la rangée de badges sans hiérarchie.
   Reste en classe (pas de flex inline) pour que les media queries plus bas
   puissent reprendre la main sur mobile. */
.trust-item--lead {
  flex: 1.6;
}
.trust-item--lead .trust-item-label { color: var(--text-1); }

/* ─── Demo section ───
   Contrainte propre (cf. brief tâche 7) : le lecteur A/B a besoin d'air
   autour de lui pour rester lisible comme bloc autonome ; padding vertical
   volontairement au-dessus de la base --sp-7, horizontal aligné sur le
   reste du site. ── */
.demo-section { padding: var(--sp-8) var(--sp-6); border-top: 1px solid var(--border); }

/* ─── Lecteur A/B audio (démo Granulate) ─── */
.demo-ab {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 28px 28px 24px;
}
.demo-ab[hidden] { display: none; }

.demo-ab-tracks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.demo-ab-track-btn {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.05em;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text-3);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.demo-ab-track-btn:hover { color: var(--text-2); }
.demo-ab-track-btn.active { color: var(--text-1); border-color: var(--text-3); }

.demo-ab-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.demo-ab-title {
  font-family: var(--font-display);
  font-size: var(--fs-body);
  color: var(--text-1);
}
.demo-ab-toggle {
  display: inline-flex;
  border: 1px solid var(--border-2);
}
.demo-ab-toggle button {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 15px;
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.demo-ab-toggle button:hover { color: var(--text-2); }
.demo-ab-toggle button.active { color: var(--bg); background: var(--text-1); }

.demo-ab-controls {
  display: flex;
  align-items: center;
  gap: 18px;
}
.demo-ab-play {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text-1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.demo-ab-play:hover { border-color: var(--text-3); background: var(--bg-3); }

.demo-ab-main { flex: 1; min-width: 0; }
.demo-ab-bar {
  position: relative;
  height: 6px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  cursor: pointer;
}
.demo-ab-bar:focus-visible {
  outline: 2px solid var(--a-signal);
  outline-offset: 3px;
}
.demo-ab-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: var(--text-2);
}
.demo-ab-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: var(--fs-label);
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

/* ─── FAQ ─── */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-2);
  transition: color var(--dur-fast) var(--ease-out);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--text-1); }
.faq-item[open] summary { color: var(--text-1); }
.faq-item summary::after {
  content: '+';
  font-size: 18px;
  font-weight: 300;
  color: var(--text-4);
  transition: transform var(--dur-fast) var(--ease-out);
}
.faq-item[open] summary::after {
  content: '−';
  color: var(--text-3);
}
.faq-answer {
  padding: 0 24px 20px;
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.75;
  max-width: 68ch;
  border-top: 1px solid var(--border);
  margin-top: -1px;
}

/* ─── Burger ─── */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  width: 18px;
  height: 1.5px;
  background: var(--text-3);
  display: block;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  nav { padding: 12px 24px; flex-wrap: wrap; }
  .section { padding: var(--sp-6) var(--sp-4); }
  footer { padding: 24px; flex-direction: column; align-items: flex-start; gap: 16px; }
  .product-hero { grid-template-columns: 1fr; padding: var(--sp-6) var(--sp-4); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-burger { display: flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
    padding-top: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 12px 4px; font-size: var(--fs-label); }

  /* hero animé */
  .hero-animated { height: 70vh; min-height: 380px; }
  .hero-animated-content h1 { white-space: normal; }

  /* plugin card hero (homepage) */
  .plugin-card-hero { grid-template-columns: 1fr; }
  .plugin-card-hero-visual { min-height: 220px; border-right: none; border-bottom: 1px solid var(--border); }
  .plugin-card-hero-body { padding: 32px 24px; }
  .plugin-section { padding: var(--sp-6) var(--sp-4); }

  /* grids */
  .use-cases-grid { grid-template-columns: 1fr 1fr; }

  /* tabs */
  .tab-bar { top: 75px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab-btn { min-width: 80px; flex: 0 0 auto; }
  .tab-visual img { max-height: 180px; }
  .tab-desc { padding: 24px; }
  .tab-list { column-count: 1; }
  .tab-note-cols { grid-template-columns: 1fr; }
  .tab-mosaic-inner { transform: scale(0.6); transform-origin: top left; }

  /* trust strip */
  .trust-strip { flex-wrap: wrap; }
  .trust-item { flex: 1 1 40%; }

  /* demo */
  .demo-section { padding: var(--sp-7) var(--sp-4); }
}

@media (max-width: 480px) {
  .differentiators-grid { grid-template-columns: 1fr 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: var(--fs-label); }
  .btn { padding: 11px 20px; font-size: var(--fs-label); }
  .trust-item { flex: 1 1 100%; }
}

/* ─── Accessibilité : réduction des animations ───
   Neutralise TOUTES les boucles CSS décoratives (bounce, mosaicFloat,
   tilePulse) et raccourcit toute transition à quasi-zéro. Remplace l'ancien
   bloc qui ne visait que .hero-scroll-cta (tâche 8, 2026-07-19).
   Le canvas de grains et le glitch du hero (js/hero.js) ont leur propre
   garde `matchMedia('(prefers-reduced-motion: reduce)')` à DOMContentLoaded
   et ne démarrent pas du tout dans ce cas, hors périmètre CSS, non modifié. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}
