/* ─────────────────────────────────────────────────────────────
   Etudia — couche « fidèle à mondria.com » (ronde 3), chargée
   APRÈS encre.css par les maquettes F1/F2/P1/P2 seulement.
   Reprend les mesures exactes du site live : en-tête h-20, cartes
   rounded-3xl, rangée de preuves, échelle typographique, footer
   quatre colonnes.
   ───────────────────────────────────────────────────────────── */

/* ── En-tête : hauteur et graisse du live ── */
.entete-inner { padding-block: 0; height: 5rem; }
.navlink { font-size: 0.875rem; font-weight: 500; }

/* ── Boutons : comportement exact du live (ombre au survol seulement) ── */
.btn { padding: 0.75rem 1.5rem; font-size: 0.875rem; font-weight: 600; letter-spacing: 0.025em; }
.btn-orange { box-shadow: none; }
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(255, 66, 0, 0.7); }
.btn-hero { box-shadow: 0 10px 40px -10px rgba(255, 66, 0, 0.55); }

/* ── Cartes : rayon 24 px et levée du live ── */
.carte { border-radius: 1.5rem; }
.carte:hover { transform: translateY(-4px); }

/* ── Corps de carte pilier (p-8, carré orange, lien flèche) ── */
.pilier { padding: 2rem; display: flex; flex-direction: column; height: 100%; }
.pilier .sq { width: 8px; height: 8px; background: var(--orange); margin-bottom: 1.5rem; }
.pilier .pk { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: color-mix(in oklab, var(--pale) 50%, transparent); }
.pilier h3 { margin-top: 0.5rem; font-size: 1.5rem; transition: color 0.3s; }
.pilier p { margin-top: 0.75rem; flex: 1; font-size: 0.875rem; line-height: 1.65; color: color-mix(in oklab, var(--pale) 70%, transparent); }
.pilier .lien { margin-top: 1.75rem; display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; font-weight: 600; }
.carte:hover .pilier h3 { color: var(--orange); }
.pilier-clair .pk { color: color-mix(in oklab, var(--nuit) 55%, transparent); }
.pilier-clair h3 { color: var(--nuit); }
.pilier-clair p { color: color-mix(in oklab, var(--nuit) 72%, transparent); }
.pilier-clair .lien { color: var(--nuit); }

/* ── Rangée de preuves (sous les piliers, comme le live) ── */
.preuves {
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid color-mix(in oklab, var(--pale) 15%, transparent);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  column-gap: 2rem; row-gap: 0.75rem;
  font-size: 0.875rem; font-weight: 500;
  color: color-mix(in oklab, var(--pale) 65%, transparent);
}
.preuves span { display: inline-flex; align-items: center; gap: 0.5rem; }
.preuves i { width: 6px; height: 6px; background: var(--orange); }
.preuves-claires { border-top-color: color-mix(in oklab, var(--nuit) 15%, transparent); color: color-mix(in oklab, var(--nuit) 65%, transparent); }

/* ── Échelle typographique des sections (text-4xl / md:text-5xl) ── */
.titre-section { margin-top: 0.75rem; font-size: clamp(2.25rem, 4vw, 3rem); max-width: 42rem; }
.intro-section { margin-top: 1.5rem; max-width: 42rem; font-size: 1.125rem; line-height: 1.65; }

/* ── Numéro d'étape (processus, comme le live) ── */
.num-etape { font-family: var(--font-titres); font-size: 3rem; font-weight: 700; color: var(--orange); line-height: 1; }

/* ── Fenêtre Teams claire (fonds pâles) ── */
.teams-claire { box-shadow: 0 30px 80px -30px rgba(3, 29, 42, 0.35); }
.teams-claire .teams-barre { border-bottom-color: color-mix(in oklab, var(--nuit) 10%, transparent); color: var(--nuit); }
.teams-claire .teams-statut { color: color-mix(in oklab, var(--nuit) 65%, transparent); }
.teams-claire .bulle-user { background: var(--sarcelle); color: var(--pale); }
.teams-claire .bulle-etudia { background: #ffffff; border-color: color-mix(in oklab, var(--nuit) 10%, transparent); color: var(--nuit); }
.teams-claire .bulle-nom { color: color-mix(in oklab, var(--nuit) 55%, transparent); }
.teams-claire .bulle-clause { background: color-mix(in oklab, var(--pale) 55%, #fff); color: color-mix(in oklab, var(--nuit) 85%, transparent); }
.teams-claire .bulle-ref { color: color-mix(in oklab, var(--nuit) 55%, transparent); }
.teams-claire .teams-saisie { background: #ffffff; border-color: color-mix(in oklab, var(--nuit) 12%, transparent); color: color-mix(in oklab, var(--nuit) 55%, transparent); }

/* ── Pied de page quatre colonnes (structure du live) ── */
.pied-m { border-top: 1px solid color-mix(in oklab, var(--pale) 10%, transparent); background: var(--nuit); color: var(--pale); }
.pied-m .colonnes { display: grid; gap: 3rem; grid-template-columns: repeat(4, 1fr); padding-block: 4rem 0; }
@media (max-width: 1024px) { .pied-m .colonnes { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pied-m .colonnes { grid-template-columns: 1fr; } }
.pied-m h2 { font-family: var(--font-corps); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.18em; color: var(--orange); }
.pied-m ul { margin-top: 1rem; list-style: none; display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; color: color-mix(in oklab, var(--pale) 75%, transparent); }
.pied-m ul a { transition: color 0.3s; }
.pied-m ul a:hover { color: var(--pale); }
.pied-m .baseline { margin-top: 1.25rem; max-width: 20rem; font-size: 0.875rem; line-height: 1.65; color: color-mix(in oklab, var(--pale) 60%, transparent); }
.pied-m .legal {
  margin-top: 3.5rem; padding-block: 1.5rem 2.5rem;
  border-top: 1px solid color-mix(in oklab, var(--pale) 10%, transparent);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem;
  font-size: 0.75rem; color: color-mix(in oklab, var(--pale) 50%, transparent);
}
.pied-m .ville { display: block; font-weight: 500; color: var(--pale); }

/* ── Photo fondue par le bas (cartes photo du live) ── */
.rond-haut { border-top-left-radius: 2rem; border-top-right-radius: 2rem; overflow: hidden; }

/* ── Héros pâle : grille nuit subtile ── */
.grille64-pale {
  position: absolute; inset: 0; opacity: 0.5;
  background-image:
    linear-gradient(color-mix(in oklab, var(--nuit) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--nuit) 7%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(95% 75% at 50% 38%, #000 25%, transparent 78%);
  mask-image: radial-gradient(95% 75% at 50% 38%, #000 25%, transparent 78%);
}