/* ============================================================
   FAVEL — Components: Buttons, Cards, Modal, Header, Footer
   ============================================================ */

/* ═══════════════════════════════════════════════════════════
   BOUTONS
   ═══════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  white-space: normal;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
  min-height: 52px;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn:active { transform: scale(0.97); }

.btn:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

/* Primaire */
.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-violet);
}

.btn--primary:hover {
  box-shadow: var(--shadow-violet-lg);
  transform: translateY(-2px);
  color: var(--color-white);
}

/* Secondaire */
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Blanc */
.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn--white:hover {
  background: var(--color-primary-pale);
  transform: translateY(-2px);
  color: var(--color-primary);
}

/* WhatsApp */
.btn--whatsapp {
  background: var(--gradient-whatsapp);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-whatsapp);
}

.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.45);
  color: var(--color-white);
}

/* Ghost sombre */
.btn--ghost-dark {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
}

.btn--ghost-dark:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

/* Tailles */
.btn--sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  min-height: 40px;
  border-radius: var(--radius-lg);
}

.btn--lg {
  font-size: var(--text-lg);
  padding: var(--space-5) var(--space-8);
  min-height: 60px;
  border-radius: var(--radius-xl);
}

.btn--xl {
  font-size: var(--text-xl);
  padding: var(--space-5) var(--space-10);
  min-height: 68px;
  border-radius: var(--radius-2xl);
}

.btn--full { width: 100%; }

/* Icône WhatsApp dans bouton */
.btn .icon-wa {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: all var(--transition-normal);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

/* État initial : transparent */
.site-header.header--transparent {
  background: transparent;
}

/* État au scroll */
.site-header.header--scrolled {
  background: rgba(15, 10, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.15);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

/* Header clair (pages internes) */
.site-header.header--light {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
}

.site-header.header--light .nav-link { color: var(--color-gray-700); }
.site-header.header--light .nav-link:hover { color: var(--color-primary); }
.site-header.header--light .logo-text { color: var(--color-black); }
.site-header.header--light .hamburger span { background: var(--color-dark); }
.site-header.header--light .hamburger.open span { background: var(--color-white); }

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-violet);
  flex-shrink: 0;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--color-white);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-black);
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo-text span { color: var(--color-primary-light); }

/* Navigation */
.main-nav {
  display: none;
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,0.85);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Actions header */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger (mobile) */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.hamburger:hover { background: rgba(255,255,255,0.08); }

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* Header WA button (visible desktop seulement) */
.header-wa {
  display: none;
}

@media (min-width: 1024px) {
  .header-wa {
    display: inline-flex;
  }
}

/* ─── MENU MOBILE ─── */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark);
  z-index: calc(var(--z-header) + 10);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-4);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}

.mobile-menu__close {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--color-white);
  font-size: var(--text-xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.mobile-menu__close:hover { background: rgba(255,255,255,0.15); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,0.85);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-white);
  background: rgba(124, 58, 237, 0.15);
  padding-left: var(--space-6);
  border-color: transparent;
}

.mobile-menu__cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ═══════════════════════════════════════════════════════════
   CARDS PRODUITS
   ═══════════════════════════════════════════════════════════ */

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary-pale);
}

.product-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-gray-50);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.product-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin-bottom: var(--space-3);
  line-height: var(--line-height-snug);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  flex: 1;
}

.product-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.product-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.product-card__feature::before {
  content: '';
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
  flex-shrink: 0;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-gray-100);
  gap: var(--space-4);
}

.product-card__price {
  display: flex;
  flex-direction: column;
}

.product-card__price-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card__price-value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
}

.product-card__price-currency {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
}

/* Badge sur card */
.product-card__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════════
   CARDS PACKS
   ═══════════════════════════════════════════════════════════ */

.pack-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--color-gray-100);
  padding: var(--space-8);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pack-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.pack-card:hover {
  border-color: var(--color-primary-pale);
  transform: translateY(-6px);
  box-shadow: var(--shadow-violet);
}

.pack-card:hover::before { opacity: 1; }

/* Pack populaire */
.pack-card--popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-violet);
  background: var(--color-white);
}

.pack-card--popular::before { opacity: 1; }

.pack-card__popular-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pack-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-black);
  margin-bottom: var(--space-2);
}

.pack-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.pack-card__pricing {
  margin-bottom: var(--space-6);
}

.pack-card__price-old {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  text-decoration: line-through;
  margin-bottom: var(--space-1);
}

.pack-card__price-current {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
}

.pack-card__price-current sup {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
}

.pack-card__savings {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: #ECFDF5;
  color: var(--color-success);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  padding: 3px var(--space-2);
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
}

.pack-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex: 1;
}

.pack-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.pack-card__feature-icon {
  width: 20px;
  height: 20px;
  background: var(--color-primary-pale);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.pack-card__feature-icon svg {
  width: 11px;
  height: 11px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 3;
}

/* ═══════════════════════════════════════════════════════════
   TESTIMONIAL CARDS
   ═══════════════════════════════════════════════════════════ */

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.testimonial-card__quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial-card__quote::before {
  content: '"';
  font-size: var(--text-4xl);
  color: var(--color-primary-light);
  font-family: var(--font-heading);
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: var(--space-1);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: #F59E0B;
  font-size: var(--text-base);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-primary-pale);
}

.testimonial-card__avatar-placeholder {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  font-size: var(--text-base);
}

.testimonial-card__title {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

/* ═══════════════════════════════════════════════════════════
   MODAL DE COMMANDE
   ═══════════════════════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 10, 30, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 0;
}

@media (min-width: 640px) {
  .modal-overlay {
    align-items: center;
    padding: var(--space-4);
  }
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-3xl) var(--radius-3xl) 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

@media (min-width: 640px) {
  .modal {
    border-radius: var(--radius-3xl);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    opacity: 0;
  }
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

@media (min-width: 640px) {
  .modal-overlay.active .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* Handle mobile */
.modal__handle {
  width: 40px;
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  margin: var(--space-3) auto var(--space-4);
}

@media (min-width: 640px) { .modal__handle { display: none; } }

.modal__header {
  padding: var(--space-4) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.modal__product-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  background: var(--color-gray-50);
}

.modal__product-info { flex: 1; min-width: 0; }

.modal__product-name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal__product-price {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
}

.modal__product-price-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  border: none;
  color: var(--color-gray-500);
  font-size: var(--text-xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  line-height: 1;
}

.modal__close:hover {
  background: var(--color-gray-200);
  color: var(--color-black);
}

.modal__body {
  padding: var(--space-6);
}

.modal__step {
  display: none;
}

.modal__step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin-bottom: var(--space-2);
}

.modal__subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

/* Form */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  color: var(--color-black);
  background: var(--color-gray-50);
  transition: all var(--transition-fast);
  outline: none;
  min-height: 52px;
}

.form-input:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px var(--color-primary-pale);
}

.form-input::placeholder { color: var(--color-gray-400); }

.form-input.error { border-color: var(--color-error); }

/* Contact toggle */
.contact-toggle {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.toggle-btn {
  flex: 1;
  padding: var(--space-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  background: var(--color-gray-50);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.toggle-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
  color: var(--color-primary);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}

.form-error.show { display: block; }

.modal__footer {
  padding: 0 var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__privacy {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* ═══════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════ */

.faq-item {
  border-bottom: 1px solid var(--color-gray-100);
  overflow: hidden;
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.faq-question:hover { color: var(--color-primary); }

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  color: var(--color-gray-500);
  font-size: var(--text-lg);
  font-weight: 300;
  line-height: 1;
}

.faq-item.open .faq-icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer { max-height: 400px; }

.faq-answer-inner {
  padding-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════════════════════
   BOUTON FLOTTANT WHATSAPP
   ═══════════════════════════════════════════════════════════ */

.fab-whatsapp {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-5);
  z-index: var(--z-fab);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--gradient-whatsapp);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-whatsapp);
  text-decoration: none;
  transition: all var(--transition-normal);
  animation: whatsappPulse 2.5s ease-in-out infinite;
}

.fab-whatsapp:hover {
  transform: scale(1.12);
  color: var(--color-white);
  animation: none;
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}

.fab-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.fab-whatsapp__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-dark);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.fab-whatsapp:hover .fab-whatsapp__tooltip { opacity: 1; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */

.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-16);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  max-width: 280px;
  margin-top: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.footer-col__title {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-5);
}

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

.footer-col__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col__link:hover { color: var(--color-primary-light); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.footer-contact-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-contact-icon svg { width: 16px; height: 16px; }

.footer-contact-text {
  color: rgba(255,255,255,0.55);
  min-width: 0;
  word-wrap: break-word;
}
.footer-contact-text a { color: rgba(255,255,255,0.75); }
.footer-contact-text a:hover { color: var(--color-primary-light); }

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social__link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.footer-social__link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  max-width: none;
}

.footer-bottom a {
  color: rgba(255,255,255,0.45);
  font-size: var(--text-xs);
}

.footer-bottom a:hover { color: var(--color-primary-light); }

/* ═══════════════════════════════════════════════════════════
   STATS SECTION
   ═══════════════════════════════════════════════════════════ */

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-weight-black);
  background: var(--gradient-primary-soft);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════════════════════════════
   FILTRES CATÉGORIE
   ═══════════════════════════════════════════════════════════ */

.filter-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-10);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-200);
  background: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-tab:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ═══════════════════════════════════════════════════════════
   EBOOK CARDS
   ═══════════════════════════════════════════════════════════ */

.ebook-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.ebook-card:hover {
  transform: perspective(1000px) translateY(-6px) rotateY(-4deg) rotateX(2deg);
  box-shadow: -8px 15px 30px rgba(124, 58, 237, 0.15);
}

.ebook-card__cover {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  background: var(--gradient-primary);
}

.ebook-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ebook-card:hover .ebook-card__cover img {
  transform: scale(1.05);
}

.ebook-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ebook-card__category {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.ebook-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-snug);
}

.ebook-card__desc {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  flex: 1;
  margin-bottom: var(--space-4);
}

.ebook-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.ebook-card__price {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════
   PAGE HERO (PAGES INTERNES)
   ═══════════════════════════════════════════════════════════ */

.page-hero {
  background: var(--gradient-hero);
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top center, rgba(124,58,237,0.3) 0%, transparent 70%);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  max-width: 560px;
  margin-inline: auto;
}

/* ═══════════════════════════════════════════════════════════
   TOAST NOTIFICATION
   ═══════════════════════════════════════════════════════════ */

.toast {
  position: fixed;
  bottom: var(--space-20);
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-2xl);
  transition: transform var(--transition-spring);
  pointer-events: none;
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

.toast--success { background: var(--color-success); }
.toast--error   { background: var(--color-error); }