/* ============================================
   CalcuFrance — Components
   Style institutionnel, propre et structuré
   ============================================ */

/* --- Hero Section --- */
.hero {
  text-align: left;
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  margin-top: calc(-1 * var(--header-height));
  padding-top: calc(var(--header-height) + var(--space-2xl));
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.hero__content {
  max-width: 600px;
}

.hero__title {
  color: var(--color-text);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.hero__title-accent {
  color: var(--color-primary);
}

.hero__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: 0;
}

/* --- Bandeau bleu (barre d'accent en haut de hero) --- */
.hero::before {
  content: '';
  display: block;
  height: 4px;
  background: var(--color-primary);
  margin-bottom: 0;
  position: relative;
  top: calc(-1 * var(--space-2xl));
  left: 0;
  right: 0;
}

/* --- Card Calculateur (Accueil) --- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
}

.calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-lg) var(--space-xl);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.calc-card:hover {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.calc-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.calc-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--color-primary-light);
  margin-bottom: var(--space-xs);
}

.calc-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.calc-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
  flex: 1;
}

.calc-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-sm);
  text-decoration: none;
}

.calc-card:hover .calc-card__cta {
  text-decoration: underline;
}

/* --- Card mini (calculateurs similaires) --- */
.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.related-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.related-card:hover {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.related-card__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.related-card__content {
  flex: 1;
  min-width: 0;
}

.related-card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.related-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.related-card__arrow {
  color: var(--color-primary);
  flex-shrink: 0;
  font-weight: 700;
}

/* --- Section générique --- */
.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section__header {
  margin-bottom: var(--space-2xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  max-width: 600px;
}

/* --- Features (Pourquoi CalcuFrance) --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.feature {
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
}

.feature__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--color-primary-light);
}

.feature__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.7;
}

/* --- FAQ (accordéon) --- */
.faq {
  padding: var(--space-2xl) 0;
}

.faq__title {
  margin-bottom: var(--space-lg);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  width: 100%;
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.faq__question:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.faq__question::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-secondary);
  border-bottom: 2px solid var(--color-text-secondary);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq__item--open .faq__question::after {
  transform: rotate(-135deg);
}

.faq__item--open .faq__question {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq__item--open .faq__answer {
  max-height: 600px;
}

.faq__answer-inner {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  background: var(--color-bg);
  border-left: 3px solid var(--color-primary);
}

.faq__answer-inner p {
  margin-bottom: var(--space-sm);
}

.faq__answer-inner p:last-child {
  margin-bottom: 0;
}

/* --- SEO Content --- */
.seo-content {
  padding: var(--space-2xl) 0;
}

.seo-content h2 {
  margin-bottom: var(--space-md);
  font-size: var(--text-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.seo-content h3 {
  margin-bottom: var(--space-sm);
  margin-top: var(--space-xl);
}

.seo-content p {
  font-size: var(--text-sm);
  line-height: 1.8;
  max-width: 75ch;
}

.seo-content ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-xl);
  list-style: disc;
}

.seo-content li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xs);
}

/* --- Tableau de données --- */
.data-table {
  width: 100%;
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin: var(--space-lg) 0;
  font-size: var(--text-sm);
}

.data-table thead {
  background: var(--color-primary);
  color: #FFFFFF;
}

.data-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background-color: var(--color-primary-light);
}

.data-table--striped tbody tr:nth-child(even) {
  background-color: var(--color-bg);
}

.data-table--striped tbody tr:nth-child(even):hover {
  background-color: var(--color-primary-light);
}

/* --- Table responsive wrapper --- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-lg) 0;
}

/* --- Ad Slot --- */
.ad-slot {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  margin: var(--space-xl) 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-slot__placeholder {
  font-size: var(--text-xs);
  color: var(--color-text-mention);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

/* --- Page header (page calculateur) --- */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
}

.page-header__title {
  margin-bottom: var(--space-sm);
}

.page-header__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  max-width: 650px;
  line-height: 1.7;
}

/* --- Bouton --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 0;
  font-weight: 500;
  font-size: var(--text-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  border: none;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-light);
}

.btn--accent {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn--accent:hover {
  background: var(--color-accent-hover);
}

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

/* --- Responsive --- */
@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__title {
    font-size: var(--text-4xl);
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}