/* ================================================
   COVER.CSS — Page de garde + connexion (identité « Neuronnale »)
   Direction artistique : marine profond, bleu vif, accent doré,
   surfaces claires, halos doux. Sans emoji décoratif.

   Consommée par index.html (garde) ET connexion.html. Les primitives
   (.omega-nav, .omega-brand, .omega-btn*) et le bloc « PAGE DE
   CONNEXION » en fin de fichier sont partagés : ne pas les renommer.
   ================================================ */

.cover-page {
  /* Palette de marque (scopée à la garde/connexion) */
  --o-ink:        #0A2540;   /* marine profond — titres */
  --o-ink-soft:   #335074;   /* texte courant */
  --o-blue:       #2563EB;   /* bleu vif — aplats, fonds, traits */
  --o-blue-deep:  #1B4ACB;
  --o-blue-text:  #1B4ACB;   /* bleu pour TEXTE : doit tenir 4,5:1 sur le fond */
  --o-btn-bg:     #0A2540;   /* fond bouton primaire — NE flippe PAS en dark */
  --o-blue-tint:  #EAF1FE;
  --o-gold:       #E0A82E;   /* accent doré */
  --o-gold-tint:  #FBEFD3;
  --o-surface:    #FFFFFF;
  --o-surface-2:  #FFFFFF;   /* cartes posées sur --o-mist */
  --o-mist:       #F4F8FD;   /* fond de section */
  --o-line:       #E4EBF4;
  --o-shadow:     0 18px 50px -22px rgba(10, 37, 64, 0.35);
  --o-shadow-sm:  0 6px 18px -10px rgba(10, 37, 64, 0.28);

  /* Échelle d'espacement des sections */
  --o-gutter: clamp(20px, 5vw, 56px);
  --o-section: clamp(56px, 8vw, 104px);
  --o-maxw: 1180px;

  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--o-ink-soft);
  background:
    radial-gradient(900px 520px at 88% -8%, var(--o-blue-tint), transparent 60%),
    radial-gradient(620px 420px at 8% 12%, var(--o-gold-tint), transparent 55%),
    var(--o-surface);
}

[data-theme="dark"] .cover-page {
  --o-ink: #F1F6FF;
  --o-ink-soft: #B7C6DC;
  --o-btn-bg: #2563EB;   /* en dark, bouton primaire = bleu vif (contraste sur fond sombre) */
  --o-blue-text: #9CC0FA;   /* le bleu vif tombe à 3,3:1 sur fond sombre → on éclaircit */
  --o-blue-tint: #11233F;
  --o-gold-tint: #2A2415;
  --o-surface: #0A1626;
  --o-surface-2: #101F33;
  --o-mist: #0E1B2D;
  --o-line: #1E2F47;
  --o-shadow: 0 18px 50px -22px rgba(0,0,0,0.6);
  --o-shadow-sm: 0 6px 18px -10px rgba(0,0,0,0.5);
}

/* Police d'affichage pour la marque et les titres */
.omega-brand, .omega-word, .omega-h1, .omega-h2, .omega-h3, .omega-mark,
.omega-feature h3, .oc-ring-label strong, .omega-step-num, .omega-stat strong {
  font-family: "Space Grotesk", -apple-system, "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
}

/* Accessibilité : lien d'évitement + focus visible cohérent */
.omega-skip {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  padding: 10px 16px; border-radius: 999px;
  background: var(--o-ink); color: #fff; font-size: 0.86rem; font-weight: 600;
}
.omega-skip:focus { left: var(--o-gutter); }

.cover-page a:focus-visible,
.cover-page button:focus-visible {
  outline: 2px solid var(--o-blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── Boutons de marque ── */
.omega-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}
.omega-btn-primary {
  background: var(--o-btn-bg);
  color: #fff;
  box-shadow: var(--o-shadow-sm);
}
.omega-btn-primary:hover { background: var(--o-blue-deep); transform: translateY(-2px); }
.omega-btn-ghost {
  background: transparent;
  color: var(--o-ink);
  border-color: var(--o-line);
}
.omega-btn-ghost:hover { background: var(--o-mist); border-color: var(--o-ink); transform: translateY(-2px); }
.omega-btn-soft {
  background: var(--o-blue);
  color: #fff;
}
.omega-btn-soft:hover { background: var(--o-blue-deep); transform: translateY(-1px); }
.omega-btn-lg { padding: 15px 30px; font-size: 1rem; }

/* ── Marque ── */
.omega-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.omega-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--o-ink), var(--o-blue));
  color: #fff; font-weight: 700; font-size: 1.15rem;
  box-shadow: var(--o-shadow-sm);
}
.omega-mark.sm { width: 26px; height: 26px; border-radius: 8px; font-size: 0.95rem; }
.omega-word { font-size: 1.3rem; font-weight: 700; color: var(--o-ink); }
.admin-tagword {
  margin-left: 8px; padding: 3px 9px; border-radius: 999px;
  background: var(--o-blue-tint); color: var(--o-blue);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}

/* ── Navigation ── */
.omega-nav {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px var(--o-gutter);
  background: color-mix(in srgb, var(--o-surface) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background 200ms ease;
}
.omega-nav.is-stuck { border-bottom-color: var(--o-line); }
.omega-nav-links { display: flex; align-items: center; gap: 8px; }
.omega-nav-links > a:not(.omega-btn) {
  padding: 8px 12px; border-radius: 999px;
  color: var(--o-ink-soft); text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: color 160ms ease, background 160ms ease;
}
.omega-nav-links > a:not(.omega-btn):hover { color: var(--o-ink); background: var(--o-mist); }

.omega-theme-btn {
  display: grid; place-items: center;
  width: 38px; height: 38px; margin-right: 4px;
  border-radius: 50%; border: 1px solid var(--o-line);
  background: transparent; color: var(--o-ink);
  font-size: 0.95rem; cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}
.omega-theme-btn:hover { background: var(--o-mist); transform: translateY(-1px); }

/* ── Bandeau compte suspendu ── */
.omega-notice {
  margin: 14px var(--o-gutter) 0;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--o-gold) 45%, transparent);
  background: var(--o-gold-tint);
  color: var(--o-ink);
  font-size: 0.9rem;
}
.omega-notice strong { font-weight: 700; }
.omega-notice[hidden] { display: none; }

/* ════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════ */
.omega-hero {
  width: 100%; max-width: var(--o-maxw); margin: 0 auto;
  padding: clamp(32px, 6vw, 72px) var(--o-gutter) var(--o-section);
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.omega-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px 7px 8px; margin-bottom: 22px;
  border-radius: 999px;
  border: 1px solid var(--o-line);
  background: var(--o-surface-2);
  font-size: 0.8rem; font-weight: 600; color: var(--o-ink-soft);
  box-shadow: var(--o-shadow-sm);
}
.omega-eyebrow-pill {
  padding: 3px 9px; border-radius: 999px;
  background: var(--o-ink); color: #fff;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.02em;
}
[data-theme="dark"] .omega-eyebrow-pill { background: var(--o-blue); }

.omega-h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  line-height: 1.08;
  color: var(--o-ink);
  margin-bottom: 20px;
}
.omega-hl {
  position: relative;
  background: linear-gradient(100deg, var(--o-blue), var(--o-gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.omega-lead {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.65;
  max-width: 54ch;
  margin-bottom: 30px;
}
.omega-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 38px; }
.omega-actions-note {
  width: 100%; margin-top: -4px;
  font-size: 0.8rem; color: var(--o-ink-soft); opacity: 0.85;
}

/* Chiffres de confiance */
.omega-trust {
  display: flex; flex-wrap: wrap; gap: clamp(20px, 3vw, 40px);
  list-style: none; padding-top: 26px;
  border-top: 1px solid var(--o-line);
}
.omega-trust li { display: flex; flex-direction: column; gap: 3px; }
.omega-trust strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2.2vw, 1.75rem); color: var(--o-ink); font-weight: 700; line-height: 1;
}
.omega-trust span { font-size: 0.8rem; color: var(--o-ink-soft); }

/* ── Visuel produit ── */
.omega-hero-visual { position: relative; display: grid; place-items: center; min-height: 380px; }
.omega-glow {
  position: absolute; inset: 8% 4%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--o-blue) 22%, transparent), transparent 72%);
  filter: blur(28px);
  animation: omegaFloat 9s ease-in-out infinite;
}
.omega-card {
  position: relative;
  background: var(--o-surface-2);
  border: 1px solid var(--o-line);
  border-radius: 20px;
  box-shadow: var(--o-shadow);
}
.omega-card-score {
  width: min(330px, 100%);
  padding: 22px;
  transform: rotate(-1.4deg);
}
.oc-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.oc-chip {
  padding: 5px 11px; border-radius: 999px;
  background: var(--o-blue-tint); color: var(--o-blue-text);
  font-size: 0.72rem; font-weight: 600;
}
.oc-badge {
  padding: 5px 10px; border-radius: 999px;
  background: var(--o-gold-tint); color: #8A6410;
  font-size: 0.7rem; font-weight: 700;
}
[data-theme="dark"] .oc-badge { color: var(--o-gold); }

.oc-ring-wrap { position: relative; width: 152px; height: 152px; margin: 4px auto 18px; }
.oc-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.oc-ring-track { fill: none; stroke: var(--o-line); stroke-width: 11; }
.oc-ring-fill {
  fill: none; stroke-width: 11; stroke-linecap: round;
  stroke-dasharray: 327; stroke-dashoffset: 327;
  animation: omegaRing 1.6s 300ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.oc-ring-label {
  position: absolute; inset: 0;
  display: grid; place-content: center; text-align: center;
}
.oc-ring-label strong { font-size: 1.95rem; color: var(--o-ink); line-height: 1; }
.oc-ring-label span { font-size: 0.78rem; color: var(--o-ink-soft); }

.oc-bars { display: grid; gap: 10px; }
.oc-bar { display: grid; grid-template-columns: 62px 1fr; align-items: center; gap: 10px; }
.oc-bar span { font-size: 0.74rem; color: var(--o-ink-soft); }
.oc-bar i {
  position: relative; display: block; height: 7px; border-radius: 999px;
  background: var(--o-line); overflow: hidden;
}
.oc-bar i::after {
  content: ""; position: absolute; inset: 0; width: var(--w);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--o-blue), var(--o-gold));
  transform-origin: left;
  animation: omegaBar 1.2s 500ms cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

/* Cartes flottantes */
.omega-card-sync {
  position: absolute; right: -6px; bottom: 4px;
  display: flex; align-items: center; gap: 11px;
  padding: 13px 17px; border-radius: 16px;
  animation: omegaFloat 7s ease-in-out infinite;
}
.omega-card-sync strong { display: block; font-size: 0.84rem; color: var(--o-ink); }
.omega-card-sync span { font-size: 0.74rem; color: var(--o-ink-soft); }
.oc-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #2D8659; box-shadow: 0 0 0 4px rgba(45, 134, 89, 0.16);
}

.omega-card-flag {
  position: absolute; left: -14px; top: 10px;
  display: flex; align-items: center; gap: 9px;
  padding: 11px 15px; border-radius: 14px;
  animation: omegaFloat 8s 1s ease-in-out infinite;
}
.omega-card-flag i {
  font-style: normal; font-weight: 700; font-size: 0.72rem;
  padding: 2px 7px; border-radius: 6px;
  background: #FCE8E8; color: #C73E3E;
}
[data-theme="dark"] .omega-card-flag i { background: #3A1D1D; color: #F08A8A; }
.omega-card-flag span { font-size: 0.76rem; color: var(--o-ink-soft); }

/* ════════════════════════════════════════════════
   SECTIONS
   ════════════════════════════════════════════════ */
.omega-section { padding: var(--o-section) var(--o-gutter); }
.omega-section-inner { max-width: var(--o-maxw); margin: 0 auto; }
.omega-section-mist { background: var(--o-mist); border-block: 1px solid var(--o-line); }

.omega-kicker {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--o-blue-text); margin-bottom: 12px;
}
.omega-h2 {
  font-size: clamp(1.6rem, 2.9vw, 2.25rem);
  line-height: 1.2; color: var(--o-ink);
  max-width: 22ch;
}
.omega-section-lead {
  margin-top: 14px; max-width: 62ch;
  font-size: 1rem; line-height: 1.65;
}

/* ── Méthode : 3 étapes ── */
.omega-steps {
  margin-top: 46px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  counter-reset: step;
}
.omega-step {
  position: relative;
  padding: 26px 24px;
  border-radius: 18px;
  background: var(--o-surface-2);
  border: 1px solid var(--o-line);
  box-shadow: var(--o-shadow-sm);
}
.omega-step-num {
  display: grid; place-items: center;
  width: 36px; height: 36px; margin-bottom: 16px;
  border-radius: 11px;
  background: var(--o-ink); color: #fff;
  font-size: 0.95rem; font-weight: 700;
}
[data-theme="dark"] .omega-step-num { background: var(--o-blue); }
.omega-step h3 { font-size: 1.05rem; color: var(--o-ink); margin-bottom: 8px; }
.omega-step p { font-size: 0.9rem; line-height: 1.6; }

/* ── Grille de fonctionnalités ── */
.omega-feature-grid {
  margin-top: 46px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.omega-feature {
  padding: 28px 24px;
  border-radius: 18px;
  background: var(--o-surface-2);
  border: 1px solid var(--o-line);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.omega-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--o-shadow);
  border-color: color-mix(in srgb, var(--o-blue) 32%, var(--o-line));
}
.omega-fico {
  display: grid; place-items: center;
  width: 46px; height: 46px; margin-bottom: 16px;
  border-radius: 13px;
  background: var(--o-blue-tint); color: var(--o-blue);
}
.omega-fico svg { width: 23px; height: 23px; }
.omega-feature h3 { font-size: 1.05rem; color: var(--o-ink); margin-bottom: 8px; }
.omega-feature p { font-size: 0.9rem; line-height: 1.58; color: var(--o-ink-soft); }

/* ── Barème R2C ── */
.omega-bareme {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.omega-bareme-table {
  width: 100%; border-collapse: collapse;
  background: var(--o-surface-2);
  border: 1px solid var(--o-line);
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--o-shadow-sm);
  font-size: 0.92rem;
}
.omega-bareme-table caption {
  caption-side: top; text-align: left;
  padding: 16px 20px 12px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--o-ink-soft);
}
.omega-bareme-table th,
.omega-bareme-table td { padding: 13px 20px; text-align: left; }
.omega-bareme-table thead th {
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--o-ink-soft);
  border-bottom: 1px solid var(--o-line);
}
.omega-bareme-table tbody tr + tr { border-top: 1px solid var(--o-line); }
.omega-bareme-table td:first-child { color: var(--o-ink); font-weight: 600; }
.omega-bareme-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.omega-bareme-note {
  margin-top: 18px; padding: 15px 18px;
  border-radius: 12px; border-left: 3px solid var(--o-gold);
  background: var(--o-gold-tint); color: var(--o-ink);
  font-size: 0.86rem; line-height: 1.55;
}

/* ── Bande d'appel à l'action ── */
.omega-cta-band {
  max-width: var(--o-maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: clamp(28px, 4vw, 42px) clamp(24px, 4vw, 44px);
  border-radius: 24px;
  background: linear-gradient(120deg, #0A2540, #1B4ACB);
  color: #fff;
  box-shadow: var(--o-shadow);
}
.omega-cta-band h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); color: #fff; margin-bottom: 6px; max-width: none; }
.omega-cta-band p { font-size: 0.95rem; color: rgba(255, 255, 255, 0.8); }
.omega-cta-band .omega-btn-primary {
  background: #F5A300; color: #0A2540; font-weight: 700; white-space: nowrap;
  box-shadow: 0 12px 26px -10px rgba(0, 0, 0, 0.55);
}
.omega-cta-band .omega-btn-primary:hover { background: #FFB71F; transform: translateY(-2px); }

/* ── Pied ── */
.omega-foot {
  margin-top: auto;
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  padding: 30px var(--o-gutter);
  border-top: 1px solid var(--o-line);
  font-size: 0.82rem; color: var(--o-ink-soft);
  text-align: center;
}

/* ── Animations ── */
@keyframes omegaRing  { to { stroke-dashoffset: 90; } }
@keyframes omegaBar   { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes omegaFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@keyframes omegaRise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.omega-rise { animation: omegaRise 700ms cubic-bezier(0.22, 1, 0.36, 1) backwards; }
.omega-rise-2 { animation-delay: 90ms; }
.omega-rise-3 { animation-delay: 180ms; }

@media (prefers-reduced-motion: reduce) {
  .cover-page *,
  .cover-page *::before,
  .cover-page *::after {
    animation: none !important;
    transition: none !important;
  }
  .oc-ring-fill { stroke-dashoffset: 90; }
  .oc-bar i::after { transform: none; }
}

/* ════════════════════════════════════════════════
   PAGE DE CONNEXION  (partagée — ne pas renommer)
   ════════════════════════════════════════════════ */
.connexion-main {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 32px 20px;
}
.connexion-card {
  width: 100%; max-width: 410px;
  background: var(--o-surface);
  border: 1px solid var(--o-line);
  border-radius: 22px;
  box-shadow: var(--o-shadow);
  padding: 34px 30px;
  animation: scaleIn var(--transition-base) ease-out;
}
.connexion-brand { display: flex; justify-content: center; margin-bottom: 18px; }
.connexion-title { font-size: 1.45rem; text-align: center; color: var(--o-ink);
  font-family: "Space Grotesk", sans-serif; letter-spacing: -0.02em; }
.connexion-sub { text-align: center; color: var(--o-ink-soft); font-size: 0.9rem; margin: 6px 0 22px; }
.connexion-card .auth-tabs { padding: 0; margin-bottom: 20px; border-bottom: 1px solid var(--o-line); }
.connexion-card .auth-tab.active { color: var(--o-blue-text); border-bottom-color: var(--o-blue); }
.connexion-card .field input:focus { border-color: var(--o-blue); box-shadow: 0 0 0 3px var(--o-blue-tint); }
.connexion-card .auth-submit {
  width: 100%; margin-top: 6px;
  background: var(--o-btn-bg); border-radius: 999px;
}
.connexion-card .auth-submit:hover:not(:disabled) { background: var(--o-blue-deep); }
.connexion-card .auth-link { color: var(--o-blue-text); }

/* ── Responsive ── */
@media (max-width: 980px) {
  .omega-hero { grid-template-columns: 1fr; gap: 44px; }
  .omega-hero-visual { order: -1; min-height: 320px; }
  .omega-steps,
  .omega-feature-grid { grid-template-columns: 1fr 1fr; }
  .omega-bareme { grid-template-columns: 1fr; }
  .omega-cta-band { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .omega-nav-links > a:not(.omega-btn) { display: none; }
  .omega-steps,
  .omega-feature-grid { grid-template-columns: 1fr; }
  .omega-trust { gap: 18px 28px; }
  .omega-card-sync { right: -2px; bottom: -8px; }
  .omega-card-flag { left: -2px; }
  .omega-card-score { transform: none; }
  .omega-h2 { max-width: none; }
}
@media (max-width: 400px) {
  .omega-card-sync, .omega-card-flag { display: none; }
}