/* Aletheia vitrine (www — domaine principal) — design tokens miroir de
   src/styles.css (app) ; registre des formes & design 2026 : docs/visual-register.md,
   docs/www-contenus-design-2026.md §2. Source de synchro : docs/visual-register.md.
   Pure static, no CDN : Fraunces/Figtree/IBM Plex Mono retombent sur les
   faces système avec la même philosophie (serif display · sans corps · mono data). */

:root {
  --bg: #090a0c;
  --surface: #12141a;
  --elevated: #1a1d26;
  --fg: #ece8e1;
  --muted: #8e918c;
  --faint: #5c5f5b;
  --accent: #d7e3c9; /* vert végétal 2026 (action, focus) */
  --accent-fg: #0c0d10;
  --border: rgba(236, 232, 225, 0.08);
  --border-hover: rgba(236, 232, 225, 0.16);
  --ok: #8faf9a;
  --danger: #c47a6a;
  --warn: #c9a06a;

  /* statuts (vocabulaire unique, docs/visual-register.md) */
  --st-devnet: #c5cdc8;
  --st-live: #8faf9a;
  --st-proto: #9aafa8;
  --st-planned: #5c5f5b;
  --st-soon: #d7e3c9;

  --font-sans: "Figtree", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --content: 1080px;
  --content-narrow: 760px;
}

* { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--accent-fg); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-fg);
  font: 600 0.8rem var(--font-sans);
  text-decoration: none;
  border-radius: 8px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- typo éditoriale ---------- */

.kicker {
  margin: 0;
  font: 500 0.72rem/1.4 var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 560;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.display em { font-style: italic; font-weight: 520; color: var(--accent); }

.h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 560;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.h2 em { font-style: italic; color: var(--accent); }

.lead {
  margin: 18px 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
  line-height: 1.65;
}
.lead strong { color: var(--fg); font-weight: 600; }

.mono { font-family: var(--font-mono); }

/* ---------- bandeau statut (contrat d'honnêteté) ---------- */

.dev-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 9px 20px;
  text-align: center;
}
.dev-banner p {
  margin: 0;
  font: 500 0.72rem/1.5 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.dev-banner b { color: var(--warn); font-weight: 600; }
.dev-banner .dot { color: var(--ok); }

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 10, 12, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
  padding: 6px 2px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border-hover);
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--fg);
}
.topbar nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 11px 10px;
  border-radius: 8px;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.topbar nav a:hover { color: var(--fg); background: var(--surface); }
.lang-switch {
  font: 500 0.72rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 12px 12px;
  border-radius: 8px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.lang-switch:hover { color: var(--fg); border-color: var(--border-hover); }
.topbar-cta {
  display: none;
  font: 600 0.8rem var(--font-sans);
  color: var(--accent-fg);
  background: var(--accent);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 10px;
  transition: opacity 0.15s var(--ease);
}
.topbar-cta:hover { opacity: 0.9; }

/* ---------- layout général ---------- */

main { overflow: clip; }

.sec {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 120px) 24px;
}
.sec + .sec { border-top: 1px solid var(--border); }

.sec-head { max-width: var(--content-narrow); }
.sec-index {
  margin: 0 0 14px;
  font: 500 0.72rem var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}
.sec-sub { color: var(--muted); margin: 14px 0 0; max-width: 62ch; }

/* ---------- hero ---------- */

.hero {
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(72px, 11vw, 150px) 24px clamp(48px, 6vw, 80px);
  position: relative;
}
.hero .kicker { margin-bottom: 22px; }
.hero .display { font-size: clamp(2.5rem, 6.4vw, 4.6rem); max-width: 20ch; }
.hero .lead { margin-top: 26px; font-size: clamp(1.05rem, 1.5vw, 1.22rem); }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font: 600 0.92rem var(--font-sans);
  padding: 13px 20px;
  border-radius: 12px;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { background: #e4eed8; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover { background: var(--surface); border-color: rgba(236, 232, 225, 0.28); }
.btn .arrow { transition: transform 0.15s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.hero-note {
  margin: 26px 0 0;
  font: 400 0.8rem/1.6 var(--font-mono);
  color: var(--faint);
  max-width: 58ch;
}

/* ---------- badges de statut (vocabulaire unique) ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 0.7rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid;
  white-space: nowrap;
}
.badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.badge-devnet { color: var(--st-devnet); border-color: rgba(197, 205, 200, 0.35); }
.badge-live { color: var(--st-live); border-color: rgba(143, 175, 154, 0.4); }
.badge-proto { color: var(--st-proto); border-color: rgba(154, 175, 168, 0.4); }
.badge-planned { color: var(--st-planned); border-color: rgba(92, 95, 91, 0.6); }
.badge-soon { color: var(--st-soon); border-color: rgba(215, 227, 201, 0.4); }

/* ---------- le problème : 3 phrases ---------- */

.probs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.prob {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  position: relative;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.prob:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.prob-n {
  font: 500 0.72rem var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.2em;
}
.prob p {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.prob p em { font-style: italic; color: var(--accent); }

/* ---------- trois produits ---------- */

.prods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.prod {
  background: linear-gradient(180deg, var(--surface), rgba(18, 20, 26, 0.55));
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s var(--ease);
}
.prod:hover { border-color: var(--border-hover); }
.prod-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.prod h3 { margin: 0; font-family: var(--font-display); font-weight: 560; font-size: 1.28rem; letter-spacing: -0.01em; }
.prod .one { margin: 0; color: var(--muted); font-size: 0.98rem; line-height: 1.55; }
.prod .real { margin: 0; font-size: 0.88rem; color: var(--faint); line-height: 1.5; }
.prod .real b { color: var(--ok); font-weight: 600; }
.prod .real b.no { color: var(--warn); }
.prod-link {
  margin-top: auto;
  font: 600 0.84rem var(--font-sans);
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.prod-link:hover .arrow { transform: translateX(3px); }
.prod-link .arrow { transition: transform 0.15s var(--ease); }

/* ---------- l'histoire : frise ---------- */

.frise {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  position: relative;
}
.frise::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover) 12%, var(--border-hover) 88%, transparent);
}
.frise-step { position: relative; padding: 0 18px; }
.frise-dot {
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-hover);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  position: relative;
}
.frise-dot::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
}
.frise-step.done .frise-dot { border-color: var(--ok); }
.frise-step.done .frise-dot::after { background: var(--ok); }
.frise-step.now .frise-dot { border-color: var(--accent); }
.frise-step.now .frise-dot::after { background: var(--accent); box-shadow: 0 0 0 4px rgba(215, 227, 201, 0.14); }
.frise-label { margin: 0; font: 600 0.74rem var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg); }
.frise-status { margin: 4px 0 0; font: 500 0.72rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.frise-step.done .frise-status { color: var(--ok); }
.frise-step.now .frise-status { color: var(--accent); }
.frise-step.planned .frise-status { color: var(--faint); }
.frise p.desc { margin: 12px 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.55; max-width: 34ch; }

.hist-note {
  margin-top: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 22px;
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.6;
}
.hist-note b { color: var(--fg); }

/* ---------- état réel ---------- */

.states {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}
.state {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
}
.state h3 { margin: 0; font-family: var(--font-display); font-size: 1.14rem; font-weight: 560; }
.state ul { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.state li {
  display: flex;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
}
.state li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; margin-top: 8px; background: var(--faint); }
.state li.good::before { background: var(--ok); }
.state li.bad::before { background: var(--danger); }
.state li.wip::before { background: var(--warn); }
.state li b { color: var(--fg); font-weight: 600; }
.states-note {
  margin: 20px 0 0;
  font-size: 0.86rem;
  color: var(--faint);
  line-height: 1.6;
  max-width: 72ch;
}
.states-note a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(215, 227, 201, 0.3); }
.states-note a:hover { border-bottom-color: var(--accent); }

/* ---------- dev ---------- */

.dev-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.dev-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 22px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
a.dev-item:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.dev-item-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.dev-item h3 { margin: 0; font-family: var(--font-display); font-size: 1.08rem; font-weight: 560; }
.dev-item p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.dev-item .code {
  font: 400 0.76rem var(--font-mono);
  color: var(--faint);
  background: rgba(236, 232, 225, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  display: inline-block;
  width: fit-content;
}
.dev-planned {
  background: transparent;
  border: 1px dashed var(--border-hover);
  cursor: default;
}
.dev-planned:hover { border-color: var(--border-hover); transform: none; }

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  background: #0b0c0f;
}
.foot-inner {
  max-width: var(--content);
  margin: 0 auto;
  padding: 56px 24px 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.foot-brand p { color: var(--faint); font-size: 0.88rem; max-width: 44ch; margin: 14px 0 0; }
.foot-col h4 {
  margin: 0 0 14px;
  font: 600 0.7rem var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-col a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s var(--ease);
}
.foot-col a:hover { color: var(--fg); }
.foot-status {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: center;
  font: 500 0.72rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.foot-status .dot { color: var(--ok); }
.foot-status .sep { color: var(--border-hover); }

/* ---------- révélation au scroll (motion contrainte) ----------
   Progressive enhancement : le contenu est visible sans JS ; seul
   html.js (posé en inline dans <head>) active la dissimulation initiale. */

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
html.js [data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn, .prob, .prod, .dev-item { transition: none; }
  .btn:hover .arrow, .prod-link:hover .arrow { transform: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 940px) {
  .probs, .prods, .frise { grid-template-columns: 1fr; }
  .frise::before { display: none; }
  .frise-step { padding: 0 0 0 40px; }
  .frise-dot { position: absolute; left: 0; top: 2px; margin-bottom: 0; }
  .dev-grid, .states { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .topbar nav { display: none; }
}

@media (max-width: 620px) {
  .hero .display { font-size: clamp(2.1rem, 10vw, 2.9rem); }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .sec { padding: 56px 20px; }
}

/* ================= générateur — blocs ajoutés (J2) ================= */

/* CTA topbar visible (desktop + mobile) */
.topbar-cta { display: inline-flex; }

/* defs : terme + texte + badge (XTH, gouvernance) */
.defs { display: grid; gap: 14px; margin-top: 40px; }
.def {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: minmax(180px, 250px) 1fr auto;
  gap: 6px 22px;
  align-items: start;
  transition: border-color 0.2s var(--ease);
}
.def:hover { border-color: var(--border-hover); }
.def-term { margin: 0; font-family: var(--font-display); font-size: 1.1rem; font-weight: 560; letter-spacing: -0.01em; }
.def-text { margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.6; max-width: 64ch; }
.def-text b { color: var(--fg); font-weight: 600; }
.def-badge { justify-self: end; }

/* steps : cycle vertical (WorkMarket) */
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 12px; }
.step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  transition: border-color 0.2s var(--ease);
}
.step:hover { border-color: var(--border-hover); }
.step-n { font: 500 1.1rem var(--font-mono); color: var(--accent); line-height: 1.7; }
.step-body h3 { margin: 0; font-family: var(--font-display); font-size: 1.1rem; font-weight: 560; }
.step-body p { margin: 6px 0 0; color: var(--muted); font-size: 0.93rem; line-height: 1.55; max-width: 64ch; }
.step .badge { margin-left: auto; align-self: center; }

/* prose : paragraphe de liaison */
.prose { margin-top: 34px; max-width: 72ch; color: var(--muted); font-size: 0.95rem; line-height: 1.65; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(215, 227, 201, 0.3); }
.prose a:hover { border-bottom-color: var(--accent); }

/* navigation mobile : le topbar passe sur deux rangées, la nav scrolle */
@media (max-width: 940px) {
  .topbar-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; row-gap: 4px; }
  .topbar nav {
    display: flex;
    order: 5;
    width: 100%;
    overflow-x: auto;
    gap: 2px;
    padding: 4px 0 0;
    scrollbar-width: none;
  }
  .topbar nav::-webkit-scrollbar { display: none; }
  .topbar nav a { white-space: nowrap; padding: 11px 10px; font-size: 0.84rem; }
  .topbar .lang-switch { margin-left: auto; }
}

@media (max-width: 860px) {
  .def { grid-template-columns: 1fr; gap: 4px 0; }
  .def-badge { justify-self: start; margin-top: 8px; }
}
@media (max-width: 700px) {
  .step { flex-wrap: wrap; gap: 8px 16px; }
  .step .badge { margin-left: 0; }
}

/* J3/J4 — defs avec lien + badge "done" (phase achevée) */
.def-main { margin: 0; min-width: 0; }
.def-link { margin: 10px 0 0; }
.def-link a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 227, 201, 0.3);
  font: 600 0.84rem var(--font-sans);
}
.def-link a:hover { border-bottom-color: var(--accent); }
.badge-done { color: var(--ok); border-color: rgba(143, 175, 154, 0.4); }

/* ================= illustrations (SVG/Canvas) + héro 2 colonnes ================= */

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.hero-grid > .hero-copy { min-width: 0; }

/* cadre d'illustration */
.viz-frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(215, 227, 201, 0.07), transparent 55%),
    linear-gradient(180deg, var(--surface), rgba(18, 20, 26, 0.6));
  overflow: hidden;
}
.viz-frame canvas { display: block; width: 100%; height: auto; }
.viz-frame .viz-fallback {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.viz-caption {
  margin: 10px 2px 0;
  font: 400 0.7rem/1.5 var(--font-mono);
  color: var(--faint);
}
.viz-caption a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(215, 227, 201, 0.3); }

/* réseau vivant (canvas) — taille fixe ratio 4/3, responsive */
.viz-network { width: 100%; aspect-ratio: 4 / 3; }
.viz-network.fallback { display: none; }
html.no-js .viz-network.fallback { display: block; }

/* diagrammes SVG inline */
.diagram {
  margin-top: 40px;
  max-width: 720px;
}
.diagram svg { width: 100%; height: auto; display: block; }
.diagram text { font-family: var(--font-mono); }
.diagram .d-node { fill: var(--surface); stroke: var(--border-hover); }
.diagram .d-node.now { stroke: var(--accent); }
.diagram .d-label { fill: var(--fg); font-size: 12px; letter-spacing: 0.04em; }
.diagram .d-sub { fill: var(--faint); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.diagram .d-edge { stroke: var(--border-hover); stroke-width: 1.4; }
.diagram .d-arrow { fill: var(--muted); }
.diagram .d-step { fill: var(--accent); }
.diagram .d-ghost { fill: var(--faint); }

/* ================= retouches mobile ================= */

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .dev-banner p { font-size: 0.72rem; letter-spacing: 0.08em; }
  .hero { padding-top: 56px; }
  .hero .display { font-size: clamp(1.9rem, 9.5vw, 2.6rem); }
  .sec { padding: 48px 18px; }
  .foot-status { flex-direction: column; align-items: flex-start; gap: 6px; }
  .foot-status .sep { display: none; }
}

/* ============ le pouls réel (devnet 43911) ============ */
.chain-pulse { margin-top: 2.2rem; }
.chain-pulse-inner {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 1.1rem;
  border: 1px solid rgba(215,227,201,0.16); border-radius: 14px;
  background: linear-gradient(180deg, rgba(21,24,20,0.6), rgba(12,14,12,0.6));
  padding: 0.9rem 1.1rem;
}
.chain-pulse-kicker {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--st-devnet, #a8b3ad);
}
.chain-pulse-status { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 13px; color: #ece8e1; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: #8a5a5a; flex: none; }
.chain-pulse.live .pulse-dot { background: #8faf9a; box-shadow: 0 0 10px rgba(143,175,154,0.9); animation: pulse-dot 2s ease-in-out infinite; }
.chain-pulse.down .pulse-dot { background: #c98a5a; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.chain-pulse-note { font-size: 11px; color: rgba(142,145,140,0.8); margin-left: auto; }

/* ============ la constellation Clay ============ */
.const-wrap { margin-top: 2.4rem; }
.const-stage { position: relative; border: 1px solid rgba(215,227,201,0.14); border-radius: 18px; overflow: hidden; background:
  radial-gradient(120% 140% at 50% 0%, rgba(21,26,22,0.9), rgba(9,10,12,1) 70%); }
.const-canvas { display: block; width: 100%; height: clamp(340px, 56vh, 560px); cursor: grab; touch-action: pan-y; }
.const-tip {
  position: absolute; pointer-events: none; opacity: 0; transform: translateY(3px);
  transition: opacity 0.14s ease, transform 0.14s ease; max-width: min(280px, calc(100% - 24px));
  background: rgba(12,14,13,0.96); border: 1px solid rgba(215,227,201,0.22); border-radius: 10px;
  padding: 0.6rem 0.75rem; font-size: 12px; color: #d7e3c9; box-shadow: 0 8px 28px rgba(0,0,0,0.45); z-index: 3;
}
.const-tip.show { opacity: 1; transform: translateY(0); }
.const-tip b { color: #ece8e1; font-weight: 600; }
.const-tip-status { display: block; margin-top: 2px; font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: #8faf9a; }
.const-tip p { margin: 0.4rem 0 0; line-height: 1.45; color: rgba(215,227,201,0.75); }
.const-tip-open { display: inline-block; margin-top: 0.4rem; font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 10px; color: #d7e3c9; }
.const-legend { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; padding: 0.7rem 0.2rem 0; font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(142,145,140,0.9); }
.const-key { display: inline-flex; align-items: center; gap: 0.4rem; }
.const-key i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.const-key .dot-open { background: hsl(140 30% 70%); }
.const-key .dot-witness { background: #e6c067; box-shadow: 0 0 6px rgba(230,192,103,0.7); }
.const-key .dot-lemma { background: #9aafa8; }
.const-key .dot-gate { width: 7px; height: 7px; border-radius: 1px; background: transparent; border: 1.2px solid #b98a8a; }