/* ============================================================
   TwinForge — concept « fil rouge » (mécanique scroll Cartonéo)
   Récit : violet (incertitude) → menthe (confiance)

   Couleurs et typo alignées sur la charte du graphiste
   (Branding/LOGO/TwinForge-basecrea.pdf, planches « References
   couleur » et « Typographie »). Les cinq références de charte
   sont les seules valeurs saturées du fichier : tout le reste en
   est dérivé (fonds assombris, encres teintées, filets en alpha).
   ============================================================ */

:root {
  /* ---- références de charte, telles quelles ---- */
  --violet: #360070;        /* violet          C95  M100 J24 N15 */
  --violet-deep: #1A0037;   /* violet profond  C100 M100 J39 N63 */
  --mint-light: #A1FFCF;    /* menthe clair    C53  M0   J38 N0  */
  --mint-deep: #75C4A8;     /* menthe          C69  M0   J47 N0  */
  --lilac: #BD95FD;         /* lilas           C36  M47  J0  N0  */

  /* ---- dérivés ---- */
  --mint-mid: #8BE2BC;      /* milieu du dégradé menthe du logo */
  --bg0: #0A0219;           /* --violet-deep assombri à 46 % */
  --bg1: #1A0037;           /* --violet-deep, tel quel */
  --ink: #f2ecfb;           /* blanc très légèrement lilas */
  --ink-dim: #a99cc6;
  --ink-faint: #6b5e8b;
  --line: rgba(189, 149, 253, 0.15);   /* --lilac */
  --line-soft: rgba(189, 149, 253, 0.08);
  --card: rgba(17, 5, 40, 0.66);
  --card-solid: rgba(20, 6, 46, 0.92);

  /* Figtree : la charte ne définit qu'une famille, utilisée pour les titres
     et le texte courant. Le mono reste pour la voix « données techniques »,
     que la charte ne couvre pas. */
  --font-display: "Figtree", "Century Gothic", "Avenir Next", sans-serif;
  --font-body: "Figtree", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.21, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* aucun débordement horizontal ne doit faire panner le viewport mobile */
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  background:
    radial-gradient(1100px 700px at 78% -8%, rgba(189, 149, 253, 0.09), transparent 60%),
    radial-gradient(1100px 800px at 18% 108%, rgba(117, 196, 168, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 55%, var(--bg0));
  color: var(--ink);
  font: 400 15.5px/1.7 var(--font-body);
  letter-spacing: 0.01em;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection { background: rgba(117, 196, 168, 0.32); color: #f2fff9; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: #2a1550; border-radius: 99px; border: 2px solid var(--bg0); }
::-webkit-scrollbar-thumb:hover { background: #3b2069; }

/* ---------- couches fixes ---------- */

#scene {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 44%, transparent 58%, rgba(6, 1, 16, 0.6) 100%);
}

.grain {
  position: fixed;
  inset: -60px;
  z-index: 8;
  pointer-events: none;
  opacity: 0.3;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;

  /* Géométrie du bandeau violet (voir .site-header::before).
     Relevé sur la maquette du graphiste (TwinForge-basecrea.pdf p.5) : l'aplat
     violet s'arrête à 14,93 % de la largeur, et le logo s'y arrête à 14,93 %
     aussi — l'aplat va donc du bord gauche au bord droit du logo, puis se fond
     sur 2,45 largeurs de logo. On reproduit la règle, pas les pourcentages :
     ancrée sur le logo, elle tient du mobile à l'ultra-large.
     --gutter reprend la même arithmétique que .header-inner. */
  --logo-w: calc(31px * 185.44 / 47.28);
  --gutter: calc((100% - min(1320px, 96vw)) / 2 + 10px);
  --band-solid: calc(var(--gutter) + var(--logo-w));
  /* le plafond garantit que le fondu se termine dans l'écran (mobile étroit) */
  --band-fade: min(calc(var(--band-solid) + var(--logo-w) * 2.45), 66%);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(90deg,
    var(--violet) 0,
    var(--violet) var(--band-solid),
    rgba(54, 0, 112, 0) var(--band-fade));
}

.site-header.is-scrolled {
  background: rgba(8, 2, 20, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line-soft);
}

.header-inner {
  width: min(1320px, 96vw);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 16px 10px;
  /* au-dessus du bandeau */
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  margin-right: auto;
}

/* logo de charte : lockup complet (monogramme + signature), ratio 185.44/47.28 */
.brand-logo {
  height: 31px;
  width: auto;
  flex: none;
  filter: drop-shadow(0 2px 14px rgba(161, 255, 207, 0.2));
}

.main-nav { display: flex; gap: 30px; }

.main-nav a {
  font: 500 10.5px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 2px;
  transition: color 0.25s;
}

.main-nav a:hover { color: var(--ink); }

.btn-ghost {
  font: 600 10.5px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint-deep);
  text-decoration: none;
  padding: 13px 20px;
  border: 1px solid rgba(117, 196, 168, 0.48);
  border-radius: 9px;
  background: rgba(117, 196, 168, 0.07);
  transition: background 0.25s, box-shadow 0.25s, color 0.25s;
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(117, 196, 168, 0.16);
  box-shadow: 0 0 24px rgba(117, 196, 168, 0.28);
  color: #e4fff2;
}

.burger {
  display: flex;
  background: none;
  border: 0;
  width: 40px; height: 40px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  align-items: flex-end;
}

.burger span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s, width 0.35s var(--ease);
  width: 26px;
}

.burger span:nth-child(2) { width: 19px; }

.menu-open .burger span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); width: 26px; }
.menu-open .burger span:nth-child(2) { opacity: 0; }
.menu-open .burger span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); width: 26px; }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 110px max(8vw, 34px) 46px;
  background:
    radial-gradient(56vmax 48vmax at 82% 12%, rgba(189, 149, 253, 0.12), transparent 62%),
    radial-gradient(60vmax 52vmax at 12% 94%, rgba(117, 196, 168, 0.11), transparent 62%),
    rgba(6, 1, 16, 0.9);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.015);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), visibility 0s 0.45s;
}

.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

body.menu-open { overflow: hidden; }

/* décor : losange filaire en rotation + fil rouge vertical */
.menu-decor { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.menu-decor::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -16vmin;
  width: 54vmin;
  height: 54vmin;
  border: 1.5px dashed rgba(139, 226, 188, 0.18);
  border-radius: 20px;
  transform: translateY(-50%) rotate(45deg);
  animation: menu-spin 70s linear infinite;
}

.menu-decor::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: repeating-linear-gradient(180deg, rgba(139, 226, 188, 0.24) 0 2px, transparent 2px 11px);
  opacity: 0.45;
}

@keyframes menu-spin {
  to { transform: translateY(-50%) rotate(405deg); }
}

.menu-list {
  position: relative;
  list-style: none;
  width: min(720px, 100%);
}

.menu-list li,
.menu-cta,
.menu-foot {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.menu-open .menu-list li,
.menu-open .menu-cta,
.menu-open .menu-foot {
  opacity: 1;
  transform: none;
  transition-delay: calc(90ms + var(--i) * 65ms);
}

.menu-list li:first-child a { border-top: 1px solid var(--line-soft); }

.menu-list a {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: clamp(10px, 2.1vh, 18px) 0;
  border-bottom: 1px solid var(--line-soft);
  font: 500 clamp(23px, 4.3vh, 37px)/1.15 var(--font-display);
  letter-spacing: -0.005em;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s, padding-left 0.35s var(--ease);
}

.menu-list .idx {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--mint-deep);
}

.menu-list .arr {
  margin-left: auto;
  color: var(--mint-light);
  font-weight: 600;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.menu-list a:hover { color: #e4fff2; padding-left: 12px; }
.menu-list a:hover .arr { opacity: 1; transform: none; }

.menu-cta { position: relative; margin-top: clamp(22px, 4.5vh, 42px); }

.menu-foot {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: clamp(18px, 3.5vh, 34px);
  width: min(720px, 100%);
  font: 400 10.5px/1.6 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ---------- rail de progression ---------- */

.rail {
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.rail a {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  text-decoration: none;
}

.rail .lbl {
  font: 500 9px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--mint-deep);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.3s, transform 0.3s;
  text-transform: uppercase;
  background: rgba(8, 2, 20, 0.85);
  border: 1px solid rgba(117, 196, 168, 0.28);
  border-radius: 6px;
  padding: 6px 9px;
  pointer-events: none;
}

.rail .dot {
  width: 7px; height: 7px;
  border-radius: 1.5px;
  transform: rotate(45deg);
  border: 1px solid var(--ink-faint);
  background: transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.rail a:hover .dot { border-color: var(--ink-dim); }

.rail a.is-active .dot {
  background: var(--mint-deep);
  border-color: var(--mint-deep);
  box-shadow: 0 0 12px rgba(117, 196, 168, 0.85);
}

.rail a:hover .lbl { opacity: 1; transform: none; }

/* ---------- structure des panneaux ---------- */

main { position: relative; }

.panel { position: relative; }

.panel-inner {
  position: relative;
  z-index: 2;
  width: min(1300px, 94vw);
  margin-inline: auto;
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 26px 28px;
  align-content: center;
  padding-block: 120px 70px;
}

.ghost {
  position: absolute;
  z-index: 0;
  font: 700 clamp(170px, 24vw, 330px)/0.78 var(--font-display);
  letter-spacing: -0.04em;
  color: rgba(189, 149, 253, 0.055);
  -webkit-text-stroke: 1px rgba(189, 149, 253, 0.055);
  pointer-events: none;
  user-select: none;
}

.ghost--tl { top: 12vh; left: 2vw; }
.ghost--tr { top: 12vh; right: 2vw; }
.ghost--br { bottom: 8vh; right: 3vw; }
.ghost--bl { bottom: 8vh; left: 3vw; }

/* colonnes */
.col-copy { grid-column: 1 / span 4; }
.col-copy--wide { grid-column: 1 / span 5; }
.col-side { grid-column: 9 / span 4; justify-self: end; align-self: center; width: 100%; max-width: 340px; }
.col-cards { grid-column: 1 / span 4; align-self: center; max-width: 330px; width: 100%; }
.col-copy--right { grid-column: 9 / span 4; }

/* ---------- typographie ---------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 500 10.5px/1 var(--font-mono);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint-deep);
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.eyebrow .idx { color: var(--ink-faint); letter-spacing: 0.1em; }

.panel[data-accent="violet"] .eyebrow { color: var(--lilac); }

h1 {
  font: 600 clamp(36px, 4.6vw, 60px)/1.12 var(--font-display);
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  text-wrap: balance;
}

h2 {
  font: 600 clamp(28px, 3.1vw, 42px)/1.16 var(--font-display);
  letter-spacing: -0.005em;
  margin-bottom: 20px;
  text-wrap: balance;
}

.accent {
  background: linear-gradient(94deg, var(--mint-mid), var(--mint-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.accent--v {
  background: linear-gradient(94deg, var(--lilac), var(--mint-mid));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--ink-dim);
  max-width: 46ch;
  margin-bottom: 30px;
}

/* ---------- boutons ---------- */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 700 11.5px/1 var(--font-display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #1a0037;
  text-decoration: none;
  padding: 17px 26px;
  border-radius: 10px;
  background: linear-gradient(100deg, var(--mint-light), var(--mint-deep) 55%, var(--mint-mid));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 10px 34px rgba(117, 196, 168, 0.32);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn-primary .arr { transition: transform 0.25s var(--ease); font-weight: 800; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 16px 44px rgba(117, 196, 168, 0.45);
}

.btn-primary:hover .arr { transform: translateX(4px); }

/* ---------- cartes bénéfices (hero) ---------- */

.benefits { display: flex; flex-direction: column; gap: 14px; }

.benefit {
  display: flex;
  gap: 15px;
  padding: 17px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  transition: border-color 0.3s, transform 0.3s var(--ease);
}

.benefit:hover { border-color: rgba(117, 196, 168, 0.38); transform: translateX(-4px); }

.benefit .ic {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--mint-deep);
  background: rgba(117, 196, 168, 0.10);
  border: 1px solid rgba(117, 196, 168, 0.25);
}

.panel[data-accent="violet"] .benefit .ic {
  color: var(--lilac);
  background: rgba(189, 149, 253, 0.09);
  border-color: rgba(189, 149, 253, 0.30);
}

.benefit h3 {
  font: 600 14px/1.3 var(--font-display);
  letter-spacing: 0;
  margin-bottom: 4px;
}

.benefit p { font-size: 12.5px; line-height: 1.55; color: var(--ink-dim); }

/* ---------- indice de scroll ---------- */

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font: 500 9.5px/1 var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.scroll-cue .wheel {
  width: 1px;
  height: 34px;
  background: linear-gradient(180deg, var(--mint-deep), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-cue .wheel::after {
  content: "";
  position: absolute;
  left: -1.5px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--mint-light);
  animation: cue-drop 2.2s var(--ease) infinite;
}

@keyframes cue-drop {
  0% { top: -6px; opacity: 0; }
  25% { opacity: 1; }
  75% { opacity: 1; }
  100% { top: 34px; opacity: 0; }
}

/* ---------- puces techniques (chips) ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  margin-top: 6px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 22px 10px 0;
  margin-right: 22px;
  border-right: 1px solid var(--line-soft);
  font: 500 12.5px/1.4 var(--font-body);
  color: var(--ink-dim);
  max-width: 175px;
}

.chip:last-child { border-right: 0; margin-right: 0; padding-right: 0; }

.chips + .btn-primary { margin-top: 34px; }

.chip .ic { flex: none; color: var(--mint-deep); display: grid; place-items: center; }

/* ---------- listes à coches ---------- */

.checks { list-style: none; display: flex; flex-direction: column; gap: 15px; }

.checks li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  font: 500 14px/1.45 var(--font-body);
  color: var(--ink);
}

.checks .ic { flex: none; color: var(--mint-light); margin-top: 1px; filter: drop-shadow(0 0 6px rgba(161, 255, 207, 0.45)); }

.checks small { display: block; font: 400 12px/1.5 var(--font-body); color: var(--ink-faint); }

/* ---------- cartes données (section 03) ---------- */

.data-cards { display: flex; flex-direction: column; gap: 14px; }

.data-card {
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px 15px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}

.data-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.data-card h4 {
  font: 500 10.5px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.tag {
  font: 500 8.5px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint-light);
  border: 1px solid rgba(161, 255, 207, 0.35);
  background: rgba(161, 255, 207, 0.08);
  padding: 4px 7px;
  border-radius: 5px;
  white-space: nowrap;
}

.drow {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4.5px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.drow .k { color: var(--ink-faint); flex: none; }
.drow .dots { flex: 1; border-bottom: 1px dotted rgba(189, 149, 253, 0.20); transform: translateY(-3px); }
.drow .v { color: var(--ink); font-weight: 500; white-space: nowrap; }
.drow .v.ok { color: var(--mint-light); }

.pulse-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint-light);
  margin-right: 6px;
  box-shadow: 0 0 8px rgba(161, 255, 207, 0.85);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse { 50% { opacity: 0.35; } }

/* ---------- KPIs (section 04) ---------- */

.kpis {
  grid-column: 2 / span 10;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  align-self: start;
  margin-bottom: 4vh;
}

.kpi {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 205px;
  padding: 15px 20px;
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 12px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}

.kpi .ring { flex: none; }

.kpi .lbl {
  font: 500 9px/1.5 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.kpi .val {
  font: 700 26px/1.1 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.kpi .val .u { font-size: 16px; color: var(--ink-dim); font-weight: 600; }

.kpi .delta {
  font: 500 10px/1.4 var(--font-mono);
  color: var(--mint-light);
}

.kpi .delta.down::before { content: "↓ "; }
.kpi .delta.up::before { content: "↑ "; }

/* ---------- carte scénarios (section 04) ---------- */

.scenarios {
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 16px 18px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}

.scenarios h4 {
  font: 500 10.5px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line-soft);
}

.scn { padding: 11px 0 12px; border-bottom: 1px solid var(--line-soft); }
.scn:last-of-type { border-bottom: 0; }

.scn .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.scn .name { font: 500 13px/1.3 var(--font-body); color: var(--ink); }
.scn .name small { color: var(--ink-faint); font: 400 11px/1 var(--font-body); margin-left: 6px; }
.scn .trs { font: 600 13px/1 var(--font-mono); color: var(--ink-dim); }

.scn.best .trs { color: var(--mint-light); }
.scn.best .name::after {
  content: "RETENU";
  font: 600 7.5px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--mint-deep);
  border: 1px solid rgba(117, 196, 168, 0.42);
  border-radius: 4px;
  padding: 3px 5px;
  margin-left: 8px;
  vertical-align: 2px;
}

.bar { height: 4px; border-radius: 99px; background: rgba(189, 149, 253, 0.13); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: var(--ink-faint); }
.scn.best .bar i { background: linear-gradient(90deg, var(--mint-deep), var(--mint-light)); box-shadow: 0 0 10px rgba(117, 196, 168, 0.55); }
.scn.alt .bar i { background: rgba(189, 149, 253, 0.55); }

.scenarios .more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint-deep);
  text-decoration: none;
}

.scenarios .more:hover { color: var(--mint-light); }

/* ---------- section contact (06) ----------
   Pas un .panel : la section ne pilote aucun état de l'hologramme (voir le
   commentaire dans index.html), donc pas de min-height:100vh — elle fait la
   hauteur de son contenu et laisse la scène figée sur l'état 05. */

.contact {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line-soft);
}

.contact-inner {
  position: relative;
  z-index: 2;
  width: min(1300px, 94vw);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 34px 28px;
  align-items: start;
  padding-block: clamp(70px, 12vh, 130px);
}

.contact-copy { grid-column: 1 / span 5; min-width: 0; }
.contact-copy .lead { margin-bottom: 26px; }
.contact-copy .checks { margin-bottom: 26px; }

/* variante à sous-titres : le <div> autorise l'empilement libellé / <small>
   à l'intérieur de la rangée flex de .checks li */
.checks--titled li { gap: 12px; }
.checks--titled li > div { min-width: 0; }
.checks--titled small { margin-top: 2px; }

.contact-direct {
  font: 400 13px/1.6 var(--font-body);
  color: var(--ink-faint);
}

.contact-direct a,
.menu-foot a {
  color: var(--mint-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(117, 196, 168, 0.32);
  transition: color 0.25s, border-color 0.25s;
}

.contact-direct a:hover,
.menu-foot a:hover { color: var(--mint-light); border-color: var(--mint-light); }

/* ---------- formulaire ---------- */

.contact-form {
  grid-column: 7 / span 6;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--card-solid);
  border: 1px solid var(--line);
  border-radius: 14px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.45);
}

.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }

/* deux champs par ligne tant que la largeur le permet */
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-width: 0; }

.field label {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font: 500 9.5px/1.4 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.field .req { color: var(--mint-deep); font-weight: 600; }

.field .opt {
  margin-left: auto;
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--ink-faint);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  max-width: 100%;
  font: 400 14px/1.5 var(--font-body);
  color: var(--ink);
  background: rgba(10, 2, 25, 0.62);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  /* neutralise l'habillage natif iOS/Safari des champs et des selects */
  -webkit-appearance: none;
  appearance: none;
}

.contact-form textarea { resize: vertical; min-height: 104px; line-height: 1.6; }

.contact-form ::placeholder { color: var(--ink-faint); opacity: 1; }

.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
  outline: none;
  border-color: rgba(117, 196, 168, 0.62);
  background: rgba(10, 2, 25, 0.85);
  box-shadow: 0 0 0 3px rgba(117, 196, 168, 0.16);
}

/* :invalid seul se déclenche dès le premier caractère saisi ; on attend que le
   navigateur ait réellement tenté la validation (user-invalid) et on retombe
   sur :invalid uniquement après une soumission refusée (.was-submitted). */
.contact-form input:user-invalid,
.contact-form textarea:user-invalid,
.contact-form.was-submitted :invalid {
  border-color: rgba(255, 176, 92, 0.55);
}

/* chevron du select : le motif « › » du reste de la page, pivoté */
.select-wrap { position: relative; display: block; min-width: 0; }
.select-wrap select { padding-right: 40px; cursor: pointer; }

.select-wrap .chevron {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  pointer-events: none;
  font: 800 14px/1 var(--font-display);
  color: var(--mint-deep);
}

.contact-form option { background: #14062e; color: var(--ink); }

/* ---------- consentement ---------- */

.field-consent {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-top: 2px;
  font: 400 12px/1.6 var(--font-body);
  color: var(--ink-dim);
  cursor: pointer;
}

.field-consent input[type="checkbox"] {
  flex: none;
  width: 16px; height: 16px;
  margin-top: 2px;
  accent-color: var(--mint-deep);
  cursor: pointer;
}

.field-consent input:focus-visible { outline: 2px solid var(--mint-deep); outline-offset: 2px; }

.field-consent a { color: var(--mint-deep); text-decoration: underline; text-underline-offset: 2px; }
.field-consent a:hover { color: var(--mint-light); }

/* ---------- leurre anti-robot ----------
   Hors écran plutôt que display:none : certains robots ignorent les champs
   masqués par display et tomberaient dans un piège trop visible. */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ---------- pied de formulaire ---------- */

.form-foot {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.form-submit { border: 0; cursor: pointer; font-family: var(--font-display); }
.form-submit:disabled { cursor: progress; opacity: 0.72; transform: none; }
.form-submit:disabled:hover { transform: none; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 10px 34px rgba(117, 196, 168, 0.32); }

/* pendant l'envoi : la flèche devient un anneau qui tourne */
.form-submit.is-sending .arr {
  width: 12px; height: 12px;
  border: 2px solid rgba(26, 0, 55, 0.32);
  border-top-color: #1a0037;
  border-radius: 50%;
  font-size: 0;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.form-note {
  font: 400 10.5px/1.5 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.form-status {
  font: 500 13px/1.6 var(--font-body);
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid;
}

/* vide au repos : ne réserve aucune place et reste muet pour aria-live */
.form-status:empty { display: none; }

.form-status.is-ok {
  color: var(--mint-light);
  border-color: rgba(161, 255, 207, 0.38);
  background: rgba(161, 255, 207, 0.08);
}

/* ambre : même code sémantique que les alertes de l'hologramme (AMBER dans main.js) */
.form-status.is-error {
  color: #ffcf9a;
  border-color: rgba(255, 176, 92, 0.42);
  background: rgba(255, 176, 92, 0.09);
}

/* le message reçoit le focus au programme (annonce lecteur d'écran) : pas de
   contour, ce n'est pas un élément interactif */
.form-status:focus { outline: none; }

/* Une fois la demande partie, les champs disparaissent et le message occupe
   seul la carte : l'état se lit comme définitif. Le message reste DANS le
   formulaire pour que son aria-live continue de fonctionner. */
.contact-form.is-sent { gap: 0; }
.contact-form.is-sent > *:not(.form-status) { display: none; }
.contact-form.is-sent .form-status { font-size: 14.5px; padding: 20px 22px; }

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

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line-soft);
  background: rgba(6, 1, 16, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.footer-inner {
  width: min(1300px, 94vw);
  margin-inline: auto;
  padding: 34px 10px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-inner .brand-logo { height: 26px; }

.footer-tag {
  font: 400 12px/1.5 var(--font-body);
  color: var(--ink-faint);
  margin-right: auto;
}

.footer-meta {
  font: 400 10px/1.6 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-align: right;
}

/* ---------- reveal au scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}

.reveal.in { opacity: 1; transform: none; }

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

@media (max-width: 1140px) {
  .col-copy, .col-copy--wide { grid-column: 1 / span 6; }
  .col-side, .col-copy--right { grid-column: 8 / span 5; }
  .col-cards { grid-column: 1 / span 5; }
  .kpis { grid-column: 1 / span 12; }

  .contact-copy { grid-column: 1 / span 6; }
  .contact-form { grid-column: 7 / span 6; }
}

@media (max-width: 880px) {
  .main-nav, .btn-ghost--header { display: none; }
  .rail { display: none; }

  .panel-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 110px 70px;
    align-content: start;
  }

  .col-copy, .col-copy--wide, .col-side, .col-copy--right, .col-cards { grid-column: 1 / -1; max-width: 560px; justify-self: start; }

  /* espace central pour laisser respirer l'hologramme */
  .panel-spacer { height: 34vh; }

  .ghost { font-size: clamp(120px, 34vw, 220px); }

  .benefits { flex-direction: column; }

  .kpis { grid-column: 1 / -1; margin-bottom: 0; }
  .kpi { min-width: 0; flex: 1 1 45%; }

  .scroll-cue { display: none; }

  /* le formulaire passe sous l'argumentaire */
  .contact-inner { grid-template-columns: 1fr; gap: 28px; }
  .contact-copy, .contact-form { grid-column: 1 / -1; max-width: 560px; }
  .contact .ghost--tl { top: clamp(18px, 4vh, 54px); }

  /* 16 px minimum : en dessous, iOS zoome tout seul à la prise de focus */
  .contact-form input[type="text"],
  .contact-form input[type="email"],
  .contact-form input[type="tel"],
  .contact-form select,
  .contact-form textarea { font-size: 16px; }
}

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

@media (min-width: 881px) {
  .panel-spacer { display: none; }
}

/* ---------- accessibilité ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .scroll-cue .wheel::after, .pulse-dot { animation: none; }
  .menu-decor::before { animation: none; }
  .mobile-menu, .menu-list li, .menu-cta, .menu-foot, .menu-list a, .menu-list .arr { transition: none; }
  /* l'anneau d'envoi ne tourne plus : l'état reste lisible via :disabled */
  .form-submit.is-sending .arr { animation: none; }
}