/* ═══════════════════════════════════════════════════════════
   TARA Institut — Cartes Langues & Atouts
   ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
   CARTES LANGUES
───────────────────────────────────────────── */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.language-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth),
              border-color var(--duration-base);
}

.language-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.05);
}

/* Carte phare (Allemand) : effet de flottaison continu plutot
   qu'un simple decalage statique vers le haut. */
.language-card--featured {
  animation: language-card-float 5s ease-in-out infinite;
  will-change: transform;
}

.language-card--featured:hover {
  /* le survol reprend la main : on fige la flottaison */
  animation: none;
}

@keyframes language-card-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

@media (prefers-reduced-motion: reduce) {
  .language-card--featured { animation: none; }
}

.language-card__header--de:hover,
.language-card:hover .language-card__header--de {
  background: linear-gradient(140deg, #3344B8 0%, #2333A0 100%);
}
.language-card:hover .language-card__header--en {
  background: linear-gradient(140deg, #168A84 0%, #0E7A76 100%);
}
.language-card:hover .language-card__header--it {
  background: linear-gradient(140deg, #E53535 0%, #C81C1C 100%);
}

/* En-tête coloré */
.language-card__header {
  position: relative;
  padding: var(--space-6);
  height: 158px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.language-card__header--de { background: linear-gradient(140deg, #2A3AA0 0%, var(--color-navy) 100%); }
.language-card__header--en { background: linear-gradient(140deg, #128A86 0%, #0C5F5C 100%); }
.language-card__header--it { background: linear-gradient(140deg, var(--color-red) 0%, var(--color-red-dark) 100%); }

/* Texture du header */
.language-card__header::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(255,255,255,0.14) 0%, transparent 70%);
  border-radius: 50%;
}

.language-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
  z-index: 1;
  transition: transform var(--duration-base) var(--ease-bounce);
}

.language-card:hover .language-card__icon { transform: scale(1.1) rotate(-6deg); }

.language-card__icon svg { width: 26px; height: 26px; }

.language-card__name {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: var(--weight-black);
  color: #fff;
  letter-spacing: -0.02em;
}

.language-card__name span {
  display: block;
  font-size: 0.72rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 2px;
}

/* Corps */
.language-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-4);
}

.language-card__tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.language-card__levels {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.language-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.language-card__meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.language-card__meta-row svg {
  width: 15px; height: 15px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.language-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: auto;
}

.language-card__price-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.language-card__price-value {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: var(--weight-extrabold);
  color: var(--text-primary);
}

.language-card__price-value small {
  font-size: 0.72rem;
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
}

.language-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  background: var(--bg-surface-2);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  transition: background var(--duration-base), color var(--duration-base);
}

.language-card__cta svg {
  width: 16px; height: 16px;
  transition: transform var(--duration-base) var(--ease-smooth);
}

.language-card:hover .language-card__cta {
  background: var(--color-navy);
  color: #fff;
}

.language-card:hover .language-card__cta svg { transform: translateX(4px); }

/* ─────────────────────────────────────────────
   CARTES ATOUTS (Pourquoi TARA)
───────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-card {
  position: relative;
  height: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth),
              border-color var(--duration-base);
}

/* Accent latéral animé */
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-red), var(--color-navy));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--duration-base) var(--ease-smooth);
}

.feature-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26,37,121,0.2);
}

.feature-card:hover::before { transform: scaleY(1); }

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-navy-pale);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
  transition: transform var(--duration-base) var(--ease-bounce),
              background var(--duration-base), color var(--duration-base);
}

[data-theme="dark"] .feature-card__icon { color: #7C92EC; }

.feature-card:hover .feature-card__icon {
  background: var(--color-navy);
  color: #fff;
  transform: scale(1.08) rotate(-5deg);
}

.feature-card__icon svg { width: 25px; height: 25px; stroke-width: 1.8; }

.feature-card__title {
  font-size: 1.12rem;
  font-weight: var(--weight-bold);
  color: var(--text-primary);
}

.feature-card__desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .languages-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .languages-grid { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
}

/* Final design pass: cartes "Une methode" plus lisibles et plus premium */
.features-grid {
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
}

.feature-card {
  /* overflow visible : laisse depasser le connecteur (fleche) dans la
     gouttiere entre les cartes */
  overflow: visible;
  min-height: 250px;
  padding: clamp(1.6rem, 2.5vw, 2.25rem);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.94) 0%, rgba(248,250,252,0.86) 100%),
    radial-gradient(circle at 90% 8%, rgba(212,35,35,0.10), transparent 36%);
  box-shadow: 0 18px 46px rgba(17, 26, 94, 0.07);
}

.feature-card::before {
  inset: 16px auto 16px 0;
  width: 4px;
  border-radius: var(--radius-full);
}

.feature-card::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 128px;
  height: 128px;
  border-radius: 0 0 22px 0;
  background:
    radial-gradient(circle at 100% 100%, rgba(212,35,35,0.12), rgba(26,37,121,0.07) 55%, transparent 72%);
  pointer-events: none;
}

/* ── Connecteur "methode" : noeud de connexion reliant les cartes ──
   Un noeud avec une icone de lien (chaine) — symbole de connexion,
   non directionnel : l'ensemble des cartes forme une seule methode. */
.feature-card__link {
  position: absolute;
  z-index: 5;
  top: 50%;
  right: calc(-1 * (clamp(1rem, 2vw, 1.5rem) / 2) - 17px);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-red);
  color: #fff;
  /* anneau de la couleur du fond : detache le noeud des deux cartes */
  border: 3px solid var(--bg-base);
  box-shadow: 0 6px 16px rgba(212,35,35,0.38);
  transform: translateY(-50%);
  transition: transform var(--duration-base) var(--ease-bounce),
              box-shadow var(--duration-base);
}

.feature-card__link svg { width: 15px; height: 15px; stroke-width: 2.4; }

.feature-card:hover .feature-card__link {
  transform: translateY(-50%) scale(1.12);
  box-shadow: 0 8px 22px rgba(212,35,35,0.5);
}

/* Empilement : chaque carte passe au-dessus de sa voisine de droite
   pour que le noeud de connexion ne soit pas masque par la carte suivante */
.feature-card:nth-child(3n + 1) { z-index: 3; }
.feature-card:nth-child(3n + 2) { z-index: 2; }
.feature-card:nth-child(3n)     { z-index: 1; }

/* Cache les connecteurs en fin de rangee (grille 3 colonnes) */
.feature-card:nth-child(3n) .feature-card__link { display: none; }

@media (max-width: 1024px) {
  /* grille 2 colonnes : on recalcule les fins de rangee */
  .feature-card:nth-child(3n) .feature-card__link { display: flex; }
  .feature-card:nth-child(2n) .feature-card__link { display: none; }
}

@media (max-width: 640px) {
  /* grille 1 colonne : plus de connecteur horizontal */
  .feature-card__link { display: none !important; }
}

.feature-card__num {
  position: absolute;
  top: 22px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: var(--weight-black);
  color: rgba(26,37,121,0.18);
  letter-spacing: 0.04em;
}

.feature-card__icon {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  margin-bottom: var(--space-4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.72);
}

.feature-card__title,
.feature-card__desc {
  position: relative;
  z-index: 1;
}

.feature-card__title {
  max-width: 18ch;
  font-size: 1.18rem;
  line-height: 1.2;
  /* hauteur min. 2 lignes : les descriptions s'alignent entre cartes */
  min-height: calc(1.18rem * 1.2 * 2);
}

.feature-card__desc {
  font-size: 0.95rem;
  line-height: 1.72;
}

[data-theme="dark"] .feature-card {
  background:
    linear-gradient(145deg, rgba(15,24,41,0.92) 0%, rgba(10,16,40,0.88) 100%),
    radial-gradient(circle at 90% 8%, rgba(212,35,35,0.14), transparent 36%);
  border-color: rgba(255,255,255,0.08);
}