/* =============================================================================
   YAHEMMA — Composants réutilisables
   ============================================================================= */

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: var(--z-skip-link);
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-text-light);
  border-radius: var(--border-radius-sm);
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(22, 119, 255, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-light {
  background-color: var(--color-background-white);
  color: var(--color-text-dark);
  border: 2px solid var(--color-background-white);
}

.btn-light:hover {
  background-color: var(--color-background-light);
  box-shadow: var(--shadow-md);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Badges / Statuts --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-dev {
  max-width: 100%;
  background-color: rgba(114, 92, 255, 0.12);
  color: var(--color-purple);
  white-space: normal;
  line-height: 1.35;
  text-align: left;
}

.badge-info {
  background-color: rgba(22, 119, 255, 0.12);
  color: var(--color-primary);
}

/* --- Cartes --- */
.card {
  background-color: var(--color-background-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
  transition:
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(22, 119, 255, 0.25);
  transform: translateY(-2px);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 1.25rem;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(
    135deg,
    rgba(22, 119, 255, 0.12),
    rgba(0, 184, 148, 0.08)
  );
}

.card-icon img,
.card-icon svg {
  width: 28px;
  height: 28px;
}

.card-title {
  margin-bottom: 0.75rem;
  font-size: var(--font-size-xl);
  color: var(--color-text-dark);
}

.card-text {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: 0.55rem;
  color: var(--color-primary-dark);
}

.card-link::after {
  content: "→";
}

/* --- Section headers --- */
.section-header {
  margin-bottom: 3rem;
  max-width: 640px;
}

.section-header--center {
  margin-inline: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-title {
  margin-bottom: 1rem;
  font-size: clamp(1.75rem, 4vw, var(--font-size-3xl));
  color: var(--color-text-dark);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.section-header--light .section-eyebrow {
  color: var(--color-secondary);
}

.section-header--light .section-title {
  color: var(--color-text-light);
}

.section-header--light .section-subtitle {
  color: var(--color-text-muted-light);
}

/* --- Grilles --- */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* --- Formulaires --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
}

.form-label .optional {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-background-white);
  color: var(--color-text-dark);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.form-input:invalid:not(:placeholder-shown):not(:focus),
.form-textarea:invalid:not(:placeholder-shown):not(:focus) {
  border-color: #dc2626;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-hint {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: #dc2626;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-checkbox input {
  margin-top: 0.25rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.form-checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --- Mailto CTA --- */
.mailto-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(22, 119, 255, 0.06),
    rgba(0, 184, 148, 0.06)
  );
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

.mailto-cta__email {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* --- Placeholder info --- */
.placeholder-note {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-accent);
  background-color: rgba(255, 107, 0, 0.08);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.section-cta-link {
  margin-top: 2rem;
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
}

.form-status--error {
  background-color: rgba(220, 38, 38, 0.08);
  color: #b91c1c;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.form-status--info {
  background-color: rgba(22, 119, 255, 0.08);
  color: var(--color-primary-dark);
  border: 1px solid rgba(22, 119, 255, 0.2);
}

.form-status--success {
  background-color: rgba(0, 184, 148, 0.08);
  color: #047857;
  border: 1px solid rgba(0, 184, 148, 0.2);
}

/* --- Animations utilitaires --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Décalage en cascade (nth-child — compatible CSP) */
.stagger-children > .fade-in:nth-child(1) { transition-delay: 0ms; }
.stagger-children > .fade-in:nth-child(2) { transition-delay: 70ms; }
.stagger-children > .fade-in:nth-child(3) { transition-delay: 140ms; }
.stagger-children > .fade-in:nth-child(4) { transition-delay: 210ms; }
.stagger-children > .fade-in:nth-child(5) { transition-delay: 280ms; }
.stagger-children > .fade-in:nth-child(6) { transition-delay: 350ms; }
.stagger-children > .fade-in:nth-child(7) { transition-delay: 420ms; }
.stagger-children > .fade-in:nth-child(8) { transition-delay: 490ms; }

.card-icon {
  transition: transform var(--transition-base), background var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.08) translateY(-2px);
}

.domain-card__icon {
  transition: transform var(--transition-base);
}

.domain-card:hover .domain-card__icon {
  transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stagger-children > .fade-in {
    transition-delay: 0ms !important;
  }

  .card:hover .card-icon,
  .domain-card:hover .domain-card__icon {
    transform: none;
  }
}