/* ============================================================
   tawaa.app — Styles custom (complément à Tailwind CDN)
   ============================================================ */

/* --- Variables CSS --- */
:root {
  --color-primary: #0F6E56;
  --color-primary-light: #E1F5EE;
  --color-accent: #1D9E75;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-secondary: #f9fafb;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --shadow-navbar: 0 1px 0 0 rgba(0,0,0,0.06), 0 2px 8px 0 rgba(0,0,0,0.06);
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* --- Navbar sticky avec ombre au scroll --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  border-color: #e5e7eb;
  box-shadow: var(--shadow-navbar);
}

/* --- Hero gradient background --- */
.hero-bg {
  background: linear-gradient(160deg, #f0fdf7 0%, #ffffff 60%);
}

/* --- Accordion FAQ --- */
.accordion-item {
  border-bottom: 1px solid #e5e7eb;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.accordion-trigger:hover { color: var(--color-primary); }

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-content.open {
  max-height: 300px;
}

.accordion-body {
  padding-bottom: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* --- Cards de plan sélectionnables --- */
.plan-card {
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  background: #fff;
  position: relative;
}

.plan-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(29, 158, 117, 0.08);
}

.plan-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 4px rgba(15, 110, 86, 0.12);
}

.plan-card.selected .plan-check {
  display: flex;
}

.plan-check {
  display: none;
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
}

.plan-check svg { width: 12px; height: 12px; color: white; }

/* --- Indicateur force mot de passe --- */
.password-strength-bar {
  height: 4px;
  border-radius: 2px;
  background: #e5e7eb;
  overflow: hidden;
  margin-top: 6px;
  transition: all var(--transition-base);
}

.password-strength-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-base), background-color var(--transition-base);
  width: 0%;
}

.strength-weak   { width: 33%; background-color: #ef4444; }
.strength-medium { width: 66%; background-color: #f59e0b; }
.strength-strong { width: 100%; background-color: #10b981; }

.password-strength-label {
  font-size: 0.75rem;
  margin-top: 4px;
  font-weight: 500;
}
.strength-label-weak   { color: #ef4444; }
.strength-label-medium { color: #f59e0b; }
.strength-label-strong { color: #10b981; }

/* --- Spinner étape 3 --- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}

/* --- Bouton primaire --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 1rem;
  line-height: 1.5;
}

.btn-primary:hover {
  background: #0a5c47;
  box-shadow: 0 4px 12px rgba(15, 110, 86, 0.3);
  transform: translateY(-1px);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* --- Bouton secondaire / outline --- */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  font-size: 1rem;
  line-height: 1.5;
}

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

/* --- Cards de fonctionnalités --- */
.feature-card {
  background: var(--color-bg-secondary);
  border-radius: 12px;
  padding: 1.75rem;
  border: 1px solid #f0f0f0;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.feature-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

/* --- Cards de tarif (landing) --- */
.pricing-card {
  border: 2px solid #e5e7eb;
  border-radius: 16px;
  padding: 2rem;
  background: #fff;
  transition: box-shadow var(--transition-base);
}

.pricing-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* --- Étapes du formulaire --- */
.step { display: none; }
.step.active { display: block; }

/* --- Stepper indicateur --- */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2rem;
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #e5e7eb;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.step-dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.step-dot.done {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.step-line {
  height: 2px;
  width: 60px;
  background: #e5e7eb;
  transition: background var(--transition-base);
}

.step-line.done { background: var(--color-primary); }

/* --- Input styles --- */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.12);
}

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.form-error {
  font-size: 0.8rem;
  color: #ef4444;
  margin-top: 4px;
  display: none;
}

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

/* --- Stripe placeholder --- */
#stripe-card-element {
  padding: 0.75rem 1rem;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  transition: border-color var(--transition-fast);
}

#stripe-card-element.StripeElement--focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.12);
}

/* --- Logo clients (confiance) --- */
.client-logo {
  font-size: 0.9rem;
  font-weight: 600;
  color: #9ca3af;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* --- Badge confiance hero --- */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* --- Section CTA final --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0a5c47 100%);
}

/* --- Video placeholder --- */
.video-placeholder {
  background: #1a1a2e;
  border-radius: 12px;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: opacity var(--transition-fast);
}

.video-placeholder:hover .play-btn { transform: scale(1.1); }

.play-btn {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.3);
  transition: transform var(--transition-base);
}

.play-btn svg {
  width: 28px;
  height: 28px;
  color: #fff;
  margin-left: 4px;
}

/* --- Responsive helpers --- */
@media (max-width: 640px) {
  .step-line { width: 32px; }

  .pricing-card { padding: 1.5rem; }
}

/* --- Utilitaire focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}