/* ═══════════════════════════════════════════════════════════
   TARA Institut — Footer premium
   ═══════════════════════════════════════════════════════════ */

.footer {
  position: relative;
  background: var(--color-navy-dark);
  color: rgba(241, 245, 249, 0.72);
  overflow: hidden;
}

[data-theme="dark"] .footer { background: #04060F; }

/* Halo décoratif */
.footer::before {
  content: '';
  position: absolute;
  top: -160px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(212, 35, 35, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.footer::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -140px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(35, 51, 160, 0.35) 0%, transparent 70%);
  pointer-events: none;
}

.footer__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ── CTA bandeau supérieur ── */
.footer__cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: clamp(1.6rem, 3.4vw, 2.5rem) clamp(1.25rem, 4vw, 3.25rem);
  margin-top: clamp(-2.2rem, -3vw, -3rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.08) 0 1px, transparent 1px),
    linear-gradient(120deg, var(--color-red) 0%, var(--color-red-dark) 58%, #941818 100%);
  background-size: 28px 28px, auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  box-shadow: 0 26px 70px rgba(212, 35, 35, 0.28),
              inset 0 1px 0 rgba(255,255,255,0.18);
  overflow: hidden;
}

.footer__cta::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
}

.footer__cta-text {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.footer__cta-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: 0.68rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
}

.footer__cta-text h3 {
  font-size: clamp(1.55rem, 3vw, 2.55rem);
  font-weight: var(--weight-extrabold);
  color: #fff;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.footer__cta-text p {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-3);
  max-width: 68ch;
}

.footer__cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer__cta .btn--light {
  background: #fff;
  color: var(--color-red-dark);
  border: 1px solid rgba(255,255,255,0.7);
}
.footer__cta .btn--light:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.footer__cta .btn--ghost-light {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.34);
}
.footer__cta .btn--ghost-light:hover { background: rgba(255,255,255,0.2); }

/* ── Grille principale ── */
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.8fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* Colonne brand */
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer__logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 4px;
}

.footer__logo-text {
  font-family: var(--font-heading);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  color: #fff;
  line-height: 1.1;
}

.footer__logo-text span {
  display: block;
  font-size: 0.62rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 245, 249, 0.45);
  margin-top: 3px;
}

.footer__about {
  font-size: 0.9rem;
  line-height: var(--leading-relaxed);
  color: rgba(241, 245, 249, 0.6);
  max-width: 34ch;
  margin-bottom: var(--space-6);
}

.footer__partners-label {
  font-size: 0.66rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(241, 245, 249, 0.4);
  margin-bottom: var(--space-3);
}

.footer__partners {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer__partner-chip {
  font-size: 0.72rem;
  font-weight: var(--weight-medium);
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: rgba(241, 245, 249, 0.7);
}

/* Colonnes liens */
.footer__col-title {
  font-size: 0.72rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__col-title::before {
  content: '';
  width: 14px;
  height: 2px;
  background: var(--color-red);
  border-radius: var(--radius-full);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9rem;
  color: rgba(241, 245, 249, 0.62);
  transition: color var(--duration-fast), padding-left var(--duration-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
}

.footer__link::before {
  content: '';
  width: 0;
  height: 1px;
  background: var(--color-red);
  transition: width var(--duration-base) var(--ease-smooth);
}

.footer__link:hover {
  color: #fff;
}

.footer__link:hover::before { width: 12px; }

/* Colonne centres */
.footer__centres {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.footer__centre {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.055);
}

.footer__centre-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-red-light);
}

.footer__centre-icon svg { width: 15px; height: 15px; }

.footer__centre-info {}

.footer__centre-ville {
  font-size: 0.7rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-red-light);
}

.footer__centre-nom {
  font-size: 0.84rem;
  font-weight: var(--weight-semibold);
  color: #fff;
  margin-top: 1px;
}

.footer__centre-tel {
  font-size: 0.78rem;
  color: rgba(241, 245, 249, 0.55);
  transition: color var(--duration-fast);
}

.footer__centre-tel:hover { color: #fff; }

/* ── Barre inférieure ── */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(241, 245, 249, 0.4);
}

.footer__copy b { color: rgba(241, 245, 249, 0.7); font-weight: var(--weight-semibold); }

.footer__socials {
  display: flex;
  gap: var(--space-2);
}

.footer__social {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(241, 245, 249, 0.65);
  transition: var(--transition-base);
}

.footer__social:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  color: #fff;
  transform: translateY(-3px);
}

.footer__social svg { width: 17px; height: 17px; }

.footer__legal {
  display: flex;
  gap: var(--space-5);
}

.footer__legal a {
  font-size: 0.8rem;
  color: rgba(241, 245, 249, 0.4);
  transition: color var(--duration-fast);
}

.footer__legal a:hover { color: #fff; }

/* ── WhatsApp flottant ── */
.whatsapp-float {
  position: fixed !important;
  bottom: calc(84px + env(safe-area-inset-bottom)) !important;
  right: clamp(18px, 2.2vw, 34px) !important;
  z-index: 9999 !important;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 18px 10px 10px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: var(--weight-bold);
  box-shadow: 0 16px 38px rgba(37, 211, 102, 0.38);
  opacity: 1 !important;
  transform: translateY(0) scale(1);
  transition: var(--transition-base);
  pointer-events: auto !important;
  border: 1px solid rgba(255,255,255,0.22);
  animation: wa-float 3.8s ease-in-out infinite;
}

.whatsapp-float.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.whatsapp-float:hover {
  background: #1ebe5d;
  transform: translateY(-3px) scale(1.03);
}

.whatsapp-float__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  color: #fff;
  flex-shrink: 0;
}

.whatsapp-float svg { width: 21px; height: 21px; flex-shrink: 0; }

.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid #25D366;
  opacity: 0;
  animation: wa-ping 2.4s ease-out infinite;
}

@keyframes wa-ping {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0;   transform: scale(1.25); }
}

@keyframes wa-float {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -8px; }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer__cta {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }
  .footer__cta-actions { justify-content: flex-start; }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer__brand,
  .footer__col--centres { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__centres { grid-template-columns: 1fr; }
  .footer__cta { text-align: left; border-radius: 22px; }
  .footer__cta-actions { width: 100%; }
  .footer__cta-actions .btn { width: 100%; justify-content: center; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .whatsapp-float > span:not(.whatsapp-float__icon) { display: none; }
  .whatsapp-float { padding: 9px; bottom: calc(24px + env(safe-area-inset-bottom)) !important; }
  .whatsapp-float__icon { width: 44px; height: 44px; }
}