/* =====================================================================
   HERO IMMERSIF « OBSERVATOIRE » (page d'accueil FR + EN)
   Une scène canvas fixe (sticky) pendant que les chapitres défilent par-dessus.
   Tout le texte est en HTML : la scène n'est qu'une surcouche décorative.
   ===================================================================== */
#obs {
  --obs-bg: #05030f;
  --obs-card: rgba(12, 8, 32, .66);
  --obs-ink: #f1f5f9;
  --obs-mute: #b4bdd0;
  --obs-accent: #c8a4ff;
  --obs-event: #ed8a78;
  --obs-line: rgba(255, 255, 255, .13);
  --obs-gut: max(16px, env(safe-area-inset-left), 5vw);
  position: relative;
  margin-top: -1px;
  background: var(--obs-bg);
  color: var(--obs-ink);
}

/* ---------- Scène fixe ---------- */
.obs-stage {
  position: sticky; top: 0; z-index: 0;
  height: 100vh; height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(900px 600px at 70% 40%, rgba(102, 70, 163, .32), transparent 65%),
    radial-gradient(700px 500px at 85% 85%, rgba(237, 138, 120, .16), transparent 65%),
    var(--obs-bg);
}
.obs-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.obs-veil {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 3, 15, .88) 0%, rgba(5, 3, 15, .55) 34%, rgba(5, 3, 15, 0) 60%),
    linear-gradient(to bottom, rgba(5, 3, 15, 0) 72%, var(--obs-bg) 100%);
}
@media (max-width: 767px) {
  .obs-veil {
    background:
      linear-gradient(to top, rgba(5, 3, 15, .96) 0%, rgba(5, 3, 15, .72) 42%, rgba(5, 3, 15, 0) 68%);
  }
}

/* ---------- HUD (journal d'observation) ---------- */
.obs-hud {
  position: absolute; z-index: 3; top: 6rem; right: max(16px, 3vw);
  width: 15.5rem; padding: .85rem 1rem;
  font: 500 .68rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  letter-spacing: .08em; text-transform: uppercase; color: var(--obs-mute);
  background: rgba(5, 3, 15, .5); border: 1px solid var(--obs-line); border-radius: 6px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  pointer-events: none;
}
.obs-hud-top { display: flex; align-items: center; justify-content: space-between; gap: .5rem; color: var(--obs-ink); }
.obs-rec { display: inline-flex; align-items: center; gap: .4rem; }
.obs-rec::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--obs-event);
  box-shadow: 0 0 8px var(--obs-event); animation: obsBlink 1.6s steps(2, start) infinite;
}
.obs-clock { font-size: .95rem; letter-spacing: .06em; color: #fff; font-variant-numeric: tabular-nums; }
.obs-hud dl { margin: .6rem 0 0; display: grid; grid-template-columns: auto 1fr; gap: .2rem .75rem; }
.obs-hud dt { color: rgba(180, 189, 208, .7); }
.obs-hud dd { margin: 0; color: var(--obs-ink); text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-transform: none; letter-spacing: .02em; }
.obs-hud dd.obs-pos { font-variant-numeric: tabular-nums; }
.obs-hud dd.obs-pos.is-top { color: var(--obs-event); }
.obs-mag { height: 3px; margin-top: .55rem; background: rgba(255, 255, 255, .1); border-radius: 2px; overflow: hidden; }
.obs-mag i { display: block; height: 100%; width: 10%; background: linear-gradient(90deg, var(--obs-accent), var(--obs-event)); }
.obs-stagelbl { margin-top: .55rem; color: var(--obs-accent); }
.obs-stagelbl.is-event { color: var(--obs-event); }
.obs-ticks { display: flex; gap: 4px; margin-top: .55rem; }
.obs-ticks i { flex: 1; height: 2px; background: rgba(255, 255, 255, .14); }
.obs-ticks i.on { background: var(--obs-accent); }
.obs-coords { position: absolute; z-index: 3; left: var(--obs-gut); bottom: 1.1rem; font: .62rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .14em; color: rgba(180, 189, 208, .55); pointer-events: none; }
@keyframes obsBlink { to { opacity: .15; } }

@media (max-width: 767px) {
  .obs-hud {
    top: 5.4rem; left: 16px; right: 16px; width: auto;
    padding: .55rem .75rem; font-size: .6rem;
    display: grid; grid-template-columns: auto 1fr; gap: .1rem .75rem; align-items: center;
  }
  .obs-hud dl { margin: 0; grid-template-columns: auto auto; }
  .obs-hud dl > :nth-child(-n+2) { display: none; } /* requête masquée en mobile */
  .obs-mag, .obs-ticks { grid-column: 1 / -1; }
  .obs-stagelbl { margin-top: 0; text-align: right; }
  .obs-hud-top { grid-column: 1 / -1; }
  .obs-coords { display: none; }
}

/* ---------- Chapitres ---------- */
.obs-chapters { position: relative; z-index: 2; margin-top: -100vh; margin-top: -100svh; }
.obs-ch {
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: 7rem var(--obs-gut) 5rem;
}
.obs-ch--hero { min-height: calc(100vh - 5.5rem); min-height: calc(100svh - 5.5rem); padding-top: 4rem; }
.obs-card {
  width: 100%; max-width: 33rem;
  padding: 1.6rem 1.6rem 1.5rem;
  background: var(--obs-card);
  border: 1px solid var(--obs-line); border-radius: 8px;
  -webkit-backdrop-filter: blur(14px) saturate(1.2); backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8);
}
.obs-card--hero { max-width: 41rem; padding: 0; background: none; border: 0; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
@media (max-width: 767px) {
  .obs-ch { align-items: flex-end; padding: 9.5rem 16px calc(6.25rem + env(safe-area-inset-bottom)); }
  .obs-ch--hero { padding-top: 9rem; }
  .obs-card { padding: 1.25rem 1.1rem; }
  .obs-card--hero { padding: 0; }
}

.obs-time {
  display: inline-flex; align-items: center; gap: .55rem;
  font: 600 .7rem/1 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: .16em; text-transform: uppercase; color: var(--obs-accent);
}
.obs-time::before { content: ""; width: 1.4rem; height: 1px; background: currentColor; }
.obs-time--event { color: var(--obs-event); }
.obs-lead { margin: 1rem 0 0; font-size: 1rem; line-height: 1.55; color: var(--obs-mute); }
.obs-lead b { color: #fff; font-weight: 600; }
.obs-h1 {
  margin: .9rem 0 0; font-weight: 800; color: #fff;
  font-size: clamp(2rem, 4.4vw, 3.5rem); line-height: 1.06; letter-spacing: -.025em;
  text-shadow: 0 6px 40px rgba(0, 0, 0, .55);
}
.obs-sub { margin: 1.1rem 0 0; max-width: 36rem; font-size: 1.05rem; line-height: 1.6; color: rgba(226, 232, 240, .9); }
.obs-h2 { margin: .8rem 0 0; font-weight: 700; color: #fff; font-size: clamp(1.45rem, 2.6vw, 2.05rem); line-height: 1.15; letter-spacing: -.015em; }
.obs-p { margin: .85rem 0 0; font-size: .98rem; line-height: 1.62; color: rgba(226, 232, 240, .88); }
.obs-p strong { color: #fff; }
.obs-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-top: 1.6rem; }
.obs-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 9999px;
  font-weight: 600; font-size: 1rem; text-decoration: none; white-space: nowrap;
  transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease;
}
.obs-btn--main { background: #fff; color: #05030f; box-shadow: 0 0 0 0 rgba(237, 138, 120, .5); }
.obs-btn--main:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 10px 40px -8px rgba(237, 138, 120, .65); }
.obs-btn--ghost { color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2); }
.obs-btn--ghost:hover { background: rgba(255, 255, 255, .07); }
.obs-btn:focus-visible, .obs-card a:focus-visible, .obs-calc :focus-visible { outline: 2px solid var(--obs-event); outline-offset: 3px; }
.obs-btn svg { width: 1.15rem; height: 1.15rem; transition: transform .2s ease; }
.obs-btn:hover svg { transform: translateX(3px); }
.obs-micro { margin: .6rem 0 0; font-size: .8rem; color: var(--obs-mute); }
@media (max-width: 520px) { .obs-btn { width: 100%; justify-content: center; } }

.obs-proof { list-style: none; padding: 0; margin-bottom: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin-top: 1.6rem; font-size: .85rem; color: var(--obs-mute); }
.obs-proof > * { display: inline-flex; align-items: center; gap: .4rem; }
.obs-proof b { color: var(--obs-event); font-weight: 700; }
.obs-proof a { color: inherit; text-decoration: underline; text-decoration-color: rgba(255, 255, 255, .25); text-underline-offset: 3px; }
.obs-proof a:hover { color: #fff; }

.obs-hint { display: inline-flex; align-items: center; gap: .5rem; margin-top: 2.2rem; font: .7rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .16em; text-transform: uppercase; color: rgba(180, 189, 208, .75); }
.obs-hint svg { width: 1rem; height: 1rem; animation: obsBob 1.9s ease-in-out infinite; }
@keyframes obsBob { 50% { transform: translateY(5px); } }
@media (max-width: 767px) { .obs-hint { display: none; } }

.obs-fact {
  margin-top: 1.1rem; padding: .8rem .95rem; border-left: 2px solid var(--obs-event);
  background: rgba(237, 138, 120, .07); font-size: .9rem; line-height: 1.5; color: rgba(226, 232, 240, .92);
}
.obs-fact small { display: block; margin-top: .35rem; font-size: .74rem; color: var(--obs-mute); }
.obs-fact a { color: inherit; }
.obs-quote { margin: 1.1rem 0 0; padding: .85rem .95rem; border: 1px solid var(--obs-line); border-radius: 6px; font-size: .9rem; line-height: 1.55; color: rgba(226, 232, 240, .92); }
.obs-quote footer { margin-top: .45rem; font-size: .76rem; color: var(--obs-mute); }
.obs-quote footer::before { content: "★★★★★ "; color: var(--obs-event); letter-spacing: .1em; }

/* Les 3 réglages (survol = la scène met le signal en avant) */
.obs-pillars { list-style: none; margin: 1.1rem 0 0; padding: 0; display: grid; gap: .5rem; }
.obs-pillars li {
  position: relative; padding: .7rem .9rem .7rem 2.6rem; border-radius: 6px;
  border: 1px solid var(--obs-line); background: rgba(255, 255, 255, .025);
  font-size: .9rem; line-height: 1.5; color: rgba(226, 232, 240, .86);
  transition: border-color .25s ease, background-color .25s ease, transform .25s ease;
  cursor: default;
}
.obs-pillars li b { display: block; color: #fff; font-size: .95rem; }
.obs-pillars li::before {
  content: attr(data-n); position: absolute; left: .85rem; top: .8rem;
  font: 600 .72rem/1 ui-monospace, Menlo, monospace; color: var(--obs-accent);
}
.obs-pillars li:hover, .obs-pillars li.is-on { border-color: rgba(200, 164, 255, .55); background: rgba(200, 164, 255, .08); transform: translateX(4px); }

.obs-surfaces { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.1rem; }
.obs-surfaces a {
  display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .8rem; border-radius: 9999px;
  border: 1px solid var(--obs-line); font-size: .84rem; color: #fff; text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease;
}
.obs-surfaces a i { width: 8px; height: 8px; border-radius: 50%; }
.obs-surfaces a:hover { border-color: rgba(237, 138, 120, .6); background: rgba(237, 138, 120, .08); }
.obs-link { display: inline-block; margin-top: 1rem; font-size: .9rem; font-weight: 600; color: var(--obs-accent); text-decoration: none; }
.obs-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Calculateur */
.obs-card--calc { max-width: 36rem; }
.obs-calc { margin-top: 1.1rem; display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.obs-calc label { display: block; font-size: .78rem; font-weight: 600; color: var(--obs-mute); }
.obs-calc input, .obs-calc select {
  display: block; width: 100%; margin-top: .3rem; padding: .6rem .7rem;
  border-radius: 6px; border: 1px solid rgba(255, 255, 255, .18); background: rgba(5, 3, 15, .7);
  color: #fff; font: inherit; font-size: .95rem;
}
.obs-calc input:focus, .obs-calc select:focus { border-color: var(--obs-accent); outline: none; box-shadow: 0 0 0 3px rgba(200, 164, 255, .2); }
.obs-out { grid-column: 1 / -1; margin-top: .3rem; padding: .9rem 1rem; border-radius: 6px; background: rgba(237, 138, 120, .09); border: 1px solid rgba(237, 138, 120, .3); }
.obs-out p { margin: 0; font-size: .92rem; line-height: 1.5; color: rgba(226, 232, 240, .92); }
.obs-out p + p { margin-top: .35rem; }
.obs-out strong { color: #fff; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.obs-note { grid-column: 1 / -1; margin: 0; font-size: .74rem; line-height: 1.45; color: var(--obs-mute); }
.obs-note a { color: inherit; }
@media (max-width: 420px) { .obs-calc { grid-template-columns: 1fr; } }

.obs-steps { list-style: none; counter-reset: obs; margin: 1.1rem 0 0; padding: 0; display: grid; gap: .45rem; }
.obs-steps li { counter-increment: obs; display: flex; gap: .7rem; font-size: .92rem; line-height: 1.45; color: rgba(226, 232, 240, .9); }
.obs-steps li::before { content: counter(obs); flex: none; display: grid; place-items: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; border: 1px solid var(--obs-accent); font: 600 .72rem/1 ui-monospace, Menlo, monospace; color: var(--obs-accent); }

/* Entrée des cartes (activée seulement si le JS tourne) */
#obs.obs-js .obs-ch:not(.obs-ch--hero) .obs-card { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1); }
#obs.obs-js .obs-ch.is-in .obs-card { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .obs-rec::before, .obs-hint svg { animation: none; }
  #obs.obs-js .obs-ch .obs-card { opacity: 1 !important; transform: none !important; transition: none; }
  .obs-pillars li, .obs-btn, .obs-btn svg { transition: none; }
}
.obs-proof a { color: inherit; text-decoration: none; }
.obs-proof a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.obs-note a, .obs-fact a { color: var(--obs-accent); }

/* ---------- Mobile : superposition intégrée ----------
   La scène occupe tout l'écran sous le menu pendant TOUT le récit ; les chapitres
   défilent PAR-DESSUS, ancrés dans la moitié basse (cartes vitrées), tandis que
   le cœur de l'animation vit dans le tiers haut. Lecture et animation au même endroit.
   --obs-top = hauteur réelle du menu (mesurée en JS), --obs-scene = hauteur de la scène. */
@media (max-width: 767px) {
  #obs { --obs-top: 81px; --obs-scene: calc(100svh - var(--obs-top)); }
  .obs-stage {
    top: var(--obs-top); z-index: 0;
    height: calc(100vh - 81px); height: var(--obs-scene);
  }
  .obs-veil {
    background:
      linear-gradient(to bottom, rgba(5, 3, 15, .55) 0%, rgba(5, 3, 15, 0) 16%),
      linear-gradient(to top, rgba(5, 3, 15, .92) 0%, rgba(5, 3, 15, .6) 38%, rgba(5, 3, 15, 0) 62%);
  }
  .obs-chapters { z-index: 2; margin-top: calc(-100vh + 81px); margin-top: calc(-1 * var(--obs-scene)); }
  .obs-ch {
    min-height: calc(100vh - 81px); min-height: var(--obs-scene);
    align-items: flex-end;
    padding: 42svh 14px 1.5rem;
    background: none;
  }
  .obs-ch--hero { align-items: flex-start; padding-top: clamp(4.75rem, 13svh, 7rem); padding-bottom: 1.25rem; }
  .obs-ch:last-child { padding-bottom: calc(5.5rem + env(safe-area-inset-bottom)); }
  .obs-card {
    padding: 1.1rem 1rem;
    background: linear-gradient(to bottom, rgba(12, 8, 32, .5), rgba(8, 5, 22, .78));
    border-color: rgba(200, 164, 255, .18);
    -webkit-backdrop-filter: blur(9px) saturate(1.3); backdrop-filter: blur(9px) saturate(1.3);
    box-shadow: 0 -1px 0 rgba(200, 164, 255, .12) inset, 0 24px 60px -24px rgba(0, 0, 0, .9);
  }
  .obs-card--hero { padding: 0; background: none; border: 0; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; text-shadow: 0 1px 14px rgba(5, 3, 15, .9); }

  /* Panneau d'observation : une ligne compacte en haut de la scène, toujours visible */
  .obs-hud {
    top: .45rem; left: 10px; right: 10px; width: auto;
    padding: .35rem .6rem .4rem; font-size: .56rem;
    display: grid; grid-template-columns: auto 1fr auto; gap: 0 .7rem; align-items: center;
  }
  .obs-hud-top { grid-column: 1; grid-row: 1; justify-content: flex-start; }
  .obs-rec { font-size: 0; gap: 0; }
  .obs-clock { font-size: .78rem; margin-left: .45rem; }
  .obs-hud dl { grid-column: 2; grid-row: 1; margin: 0; display: flex; justify-content: center; gap: .4rem; }
  .obs-hud dl > :nth-child(-n+2) { display: none; }
  .obs-stagelbl { grid-column: 3; grid-row: 1; margin: 0; text-align: right; white-space: nowrap; }
  .obs-mag { grid-column: 1 / -1; grid-row: 2; margin-top: .35rem; height: 2px; }
  .obs-ticks { grid-column: 1 / -1; grid-row: 3; margin-top: .25rem; }

  /* Horodatage : passe à la ligne au lieu d'être coupé */
  .obs-time { display: flex; flex-wrap: wrap; row-gap: .3rem; font-size: .62rem; line-height: 1.35; letter-spacing: .1em; max-width: 100%; }
  .obs-time::before { flex: none; width: 1rem; }

  /* Accroche : l'essentiel d'abord (titre, boutons, preuve), le récit ensuite */
  .obs-card--hero { max-width: none; display: flex; flex-direction: column; }
  .obs-card--hero .obs-time { order: 0; }
  .obs-card--hero .obs-h1 { order: 1; }
  .obs-card--hero .obs-ctas { order: 2; }
  .obs-card--hero .obs-micro { order: 3; }
  .obs-card--hero .obs-proof { order: 4; }
  .obs-card--hero .obs-sub { order: 5; }
  .obs-card--hero .obs-lead { order: 6; }
  .obs-h1 { margin-top: .6rem; font-size: clamp(1.7rem, 7.6vw, 2.2rem); line-height: 1.08; overflow-wrap: break-word; }
  .obs-card--hero .obs-ctas { margin-top: 1rem; gap: .5rem; }
  .obs-btn { padding: .75rem 1.25rem; font-size: .95rem; }
  .obs-proof { margin-top: .9rem; gap: .35rem 1rem; font-size: .8rem; }
  .obs-sub { margin-top: 1.1rem; font-size: .95rem; line-height: 1.55; }
  .obs-lead { margin-top: .8rem; font-size: .92rem; line-height: 1.5; }
  .obs-h2 { font-size: 1.35rem; }
}

/* Position dans Google (remplace l'horloge du panneau) */
.obs-clock { display: inline-flex; align-items: baseline; gap: .4rem; }
.obs-clock small { font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--obs-mute); }
.obs-clock .obs-pos { font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; color: #fff; transition: color .3s ease; }
.obs-clock .obs-pos.is-top { color: var(--obs-event); }
@media (max-width: 767px) {
  .obs-clock small { font-size: .52rem; }
  .obs-clock .obs-pos { font-size: .95rem; }
  .obs-hud dl { display: none; }
}

/* Mobile : invitation à défiler à la place des boutons du hero */
@keyframes obsWheel { 0% { transform: translate(-50%, 0); opacity: 0; } 20% { opacity: 1; } 80% { opacity: 1; } 100% { transform: translate(-50%, 12px); opacity: 0; } }
@keyframes obsRing { 0% { box-shadow: 0 0 0 0 rgba(140, 170, 255, .45); } 100% { box-shadow: 0 0 0 14px rgba(140, 170, 255, 0); } }
@keyframes obsChev { 0%, 100% { transform: translateY(0); opacity: .35; } 50% { transform: translateY(6px); opacity: 1; } }
@media (max-width: 767px) {
  .obs-card--hero .obs-ctas,
  .obs-card--hero .obs-micro { display: none; }
  .obs-card--hero .obs-hint {
    order: 2; display: flex; flex-direction: column; align-items: center; gap: .6rem;
    align-self: center; margin: 1.1rem 0 .4rem; text-align: center;
    font-size: .68rem; color: rgba(214, 222, 240, .9);
  }
  .obs-card--hero .obs-hint::before {
    content: ""; position: relative; width: 24px; height: 38px; border-radius: 14px;
    border: 2px solid rgba(214, 222, 240, .85);
    background: radial-gradient(circle, #fff 0 2.5px, transparent 3px) 50% 7px / 6px 6px no-repeat;
    animation: obsRing 1.8s ease-out infinite;
  }
  .obs-card--hero .obs-hint svg { width: 1.2rem; height: 1.2rem; animation: obsChev 1.4s ease-in-out infinite; }
}
@media (max-width: 767px) and (prefers-reduced-motion: no-preference) {
  .obs-card--hero .obs-hint::before { background: none; }
  .obs-card--hero .obs-hint::after {
    content: ""; position: absolute; left: 50%; top: 7px; width: 5px; height: 5px; border-radius: 50%;
    background: #fff; animation: obsWheel 1.6s ease-in-out infinite;
  }
  .obs-card--hero .obs-hint { position: relative; }
}
/* Mouvement réduit (réglage « Réduire les animations » du téléphone, économie
   de batterie) : la règle globale coupe toutes les animations, l'indicateur
   paraissait donc figé. On garde une version SANS déplacement, en simple
   fondu d'opacité (autorisé en mouvement réduit), pour qu'il reste vivant. */
@keyframes obsDotFade { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }
@keyframes obsChevFade { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes obsMouseFade { 0%, 100% { border-color: rgba(214, 222, 240, .45); } 50% { border-color: rgba(214, 222, 240, 1); } }
@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  #obs .obs-card--hero .obs-hint { position: relative; }
  #obs .obs-card--hero .obs-hint::before { background: none; animation: obsMouseFade 2s ease-in-out infinite !important; }
  #obs .obs-card--hero .obs-hint::after {
    content: ""; position: absolute; left: 50%; top: 9px; width: 5px; height: 5px; border-radius: 50%;
    background: #fff; transform: translateX(-50%);
    animation: obsDotFade 1.6s ease-in-out infinite !important;
  }
  #obs .obs-card--hero .obs-hint svg { animation: obsChevFade 1.6s ease-in-out infinite !important; }
}

/* ---------- Trois piliers : emblème orbital centré ---------- */
@keyframes pilSpin { to { transform: rotate(360deg); } }
.pil-card { position: relative; overflow: hidden; text-align: center; padding-top: 2.5rem; }
.pil-card::before {
  position: absolute; top: .9rem; right: 1.2rem;
  font: 700 .72rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .18em;
  color: rgba(200, 164, 255, .55);
}
.pil-card:nth-child(1)::before { content: "01"; }
.pil-card:nth-child(2)::before { content: "02"; }
.pil-card:nth-child(3)::before { content: "03"; }
.pil-orb {
  position: relative; width: 7.5rem; height: 7.5rem; margin: 0 auto;
  display: grid; place-items: center; border-radius: 50%;
  border: 1px dashed rgba(200, 164, 255, .28);
  color: #ed8a78;
}
.pil-orb::before {
  content: ""; position: absolute; inset: 1.15rem; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08);
}
.pil-orb::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  background: radial-gradient(circle, #ed8a78 0 3.5px, rgba(237, 138, 120, .35) 4.5px, transparent 7px) 50% 0 / 14px 14px no-repeat;
  animation: pilSpin 10s linear infinite;
}
.pil-card:nth-child(2) .pil-orb::after { animation-duration: 7s; animation-direction: reverse; background-image: radial-gradient(circle, #c8a4ff 0 3.5px, rgba(200, 164, 255, .35) 4.5px, transparent 7px); }
.pil-card:nth-child(3) .pil-orb::after { animation-duration: 13s; }
.pil-orb svg {
  position: relative; z-index: 1; box-sizing: content-box;
  width: 2.1rem; height: 2.1rem; padding: .95rem; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(200, 164, 255, .38), rgba(102, 70, 163, .22) 70%);
  box-shadow: 0 0 0 1px rgba(200, 164, 255, .3), 0 0 34px -4px rgba(200, 164, 255, .45);
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), box-shadow .5s ease;
}
.pil-card:hover .pil-orb svg { transform: scale(1.08); box-shadow: 0 0 0 1px rgba(237, 138, 120, .5), 0 0 44px -2px rgba(237, 138, 120, .5); }
.pil-card:hover .pil-orb::after { animation-duration: 3s; }
.pil-card h3 { margin-top: 1.6rem; }
/* Mode « Réduire les animations » (souvent actif sur téléphone, ou avec l économie
   de batterie) : on garde la rotation du point, plus lente, sinon l emblème paraît figé. */
@media (prefers-reduced-motion: reduce) {
  .pil-card .pil-orb::after { animation: pilSpin 20s linear infinite !important; }
  .pil-card:nth-child(2) .pil-orb::after { animation: pilSpin 16s linear infinite reverse !important; }
  .pil-card:nth-child(3) .pil-orb::after { animation: pilSpin 24s linear infinite !important; }
  .pil-orb svg { transition: none; }
}

/* ---------- Quatre surfaces : icône intégrée au titre + filigrane ---------- */
.surf-ico {
  position: relative; flex: none; display: grid; place-items: center;
  width: 3.5rem; height: 3.5rem; border-radius: 1.1rem; color: #ed8a78;
  background: radial-gradient(circle at 30% 25%, rgba(200, 164, 255, .38), rgba(102, 70, 163, .18) 72%);
  box-shadow: 0 0 0 1px rgba(200, 164, 255, .3), 0 0 30px -6px rgba(200, 164, 255, .55);
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), box-shadow .5s ease;
}
.surf-card:nth-child(even) .surf-ico {
  background: radial-gradient(circle at 30% 25%, rgba(237, 138, 120, .34), rgba(237, 138, 120, .1) 72%);
  box-shadow: 0 0 0 1px rgba(237, 138, 120, .32), 0 0 30px -6px rgba(237, 138, 120, .5);
}
.surf-ico::after {
  content: ""; position: absolute; inset: -6px; border-radius: 1.45rem;
  border: 1px dashed rgba(200, 164, 255, .22); opacity: 0;
  transition: opacity .5s ease, inset .5s ease;
}
.surf-card:hover .surf-ico { transform: rotate(-6deg) scale(1.06); }
.surf-card:hover .surf-ico::after { opacity: 1; inset: -8px; }
.surf-ghost {
  position: absolute; right: -1.75rem; bottom: -1.75rem; width: 9rem; height: 9rem;
  color: rgba(255, 255, 255, .035); pointer-events: none;
  transition: transform .9s cubic-bezier(.2, .8, .2, 1), color .6s ease;
}
.surf-card:hover .surf-ghost { transform: rotate(-10deg) scale(1.1); color: rgba(237, 138, 120, .08); }
.surf-line {
  position: relative; height: 1px; transform-origin: left; transform: scaleX(.3);
  background: linear-gradient(90deg, rgba(237, 138, 120, .7), rgba(200, 164, 255, .35) 60%, transparent);
  transition: transform .7s cubic-bezier(.2, .8, .2, 1);
}
.surf-card:hover .surf-line { transform: scaleX(1); }