/* ==========================================================================
   Tokens — dupliqués depuis frontend/src/index.css (pipeline de build séparé,
   pas de Tailwind ici — voir SKILL.md section SEO). En cas de changement de
   palette dans le design system, reporter manuellement ici aussi.
   ========================================================================== */
:root {
  --color-bg: #f1f5f9;
  --color-bg-subtle: #eef2f7;
  --color-card: #ffffff;
  --color-border: rgba(2, 132, 199, 0.12);
  --color-text: #0f1f38;
  --color-text-muted: #64748b;
  --color-primary: #0284c7;
  --color-primary-foreground: #ffffff;
  --color-accent: #d97706;
  --color-accent-foreground: #ffffff;
  --color-chart-1: #38bdf8;
  --color-chart-2: #f59e0b;
  --color-chart-3: #34d399;
  --color-chart-4: #a78bfa;
  --radius: 0.375rem;
  color-scheme: light;
}

[data-theme="dark"] {
  --color-bg: #0a1628;
  --color-bg-subtle: #152a45;
  --color-card: #0f1f38;
  --color-border: rgba(56, 189, 248, 0.1);
  --color-text: #c8d9ea;
  --color-text-muted: #5e7899;
  --color-primary: #38bdf8;
  --color-primary-foreground: #06101e;
  --color-accent: #f59e0b;
  --color-accent-foreground: #06101e;
  --color-chart-1: #38bdf8;
  --color-chart-2: #f59e0b;
  --color-chart-3: #34d399;
  --color-chart-4: #a78bfa;
  color-scheme: dark;
}

/* ==========================================================================
   Reset minimal
   ========================================================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.font-data {
  font-family: "JetBrains Mono", monospace;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

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

/* ==========================================================================
   Layout utilitaire
   ========================================================================== */
.site-header__inner,
.hero__inner,
.features__inner,
.pricing__inner,
.final-cta__inner,
.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.logo__icon {
  color: var(--color-accent);
  font-size: 1.2rem;
}

.site-nav {
  display: none;
  gap: 2rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.site-nav a:hover {
  color: var(--color-text);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

/* ==========================================================================
   Boutons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.btn:hover {
  opacity: 0.9;
}
.btn:active {
  transform: translateY(1px);
}

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

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

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

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  max-width: 820px;
  margin: 0 auto 1.25rem;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

/* Stepper — reprend le motif de l'assistant en 4 étapes de l'app elle-même */
.hero-stepper {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.5rem;
  max-width: 640px;
  margin: 0 auto;
}

.hero-stepper__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 64px;
}

.hero-stepper__dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
}

.hero-stepper__step.is-active .hero-stepper__dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

.hero-stepper__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.hero-stepper__step.is-active .hero-stepper__label {
  color: var(--color-text);
  font-weight: 600;
}

.hero-stepper__line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin-top: 17px;
}

.hero-stepper__caption {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Sections génériques
   ========================================================================== */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 3rem;
}

/* ==========================================================================
   Features
   ========================================================================== */
.features {
  padding: 4rem 0;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 640px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
}

.feature-card__icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing {
  padding: 4rem 0;
  background: var(--color-bg-subtle);
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}

.pricing-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.pricing-card__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.pricing-card__name {
  margin: 0;
  font-size: 1.2rem;
}

.pricing-card__price {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

.pricing-card__old-price {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card__period {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card__tagline {
  margin: -0.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
  flex: 1;
}

.pricing-card__features li::before {
  content: "✓ ";
  color: var(--color-chart-3);
  font-weight: 700;
}

/* ==========================================================================
   CTA finale
   ========================================================================== */
.final-cta {
  padding: 5rem 0;
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
}

.final-cta p {
  color: var(--color-text-muted);
  margin: 0 0 2rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
}

.site-footer__links a {
  text-decoration: none;
  color: var(--color-text-muted);
}
.site-footer__links a:hover {
  color: var(--color-text);
}

.site-footer__copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ==========================================================================
   Pages juridiques (CGU / CGV) — texte justifié, colonne de lecture étroite
   ========================================================================== */
.legal {
  padding: 3rem 0 4rem;
}

.legal__inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.legal h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.legal h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.15rem;
}

.legal p {
  margin: 0 0 1rem;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
}

.legal a {
  color: var(--color-primary);
}

.legal .legal__updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: left;
}

/* Informations de l'éditeur encore à renseigner : bien visibles tant qu'elles ne sont pas remplies. */
.legal__todo {
  background: rgba(245, 158, 11, 0.25);
  border-radius: 0.2rem;
  padding: 0 0.25rem;
}