/* ============================================================
   style.css — Comparatifs.fr
   Design system moderne, professionnel et inspectant confiance
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================================
   1. VARIABLES & DESIGN TOKENS
   ============================================================ */

:root {
  /* Couleurs principales */
  --c-primary:       #2563EB;
  --c-primary-dark:  #1D4ED8;
  --c-primary-light: #EFF6FF;
  --c-primary-muted: #BFDBFE;

  /* Semantiques */
  --c-success:       #059669;
  --c-success-light: #ECFDF5;
  --c-danger:        #DC2626;
  --c-danger-light:  #FEF2F2;
  --c-warning:       #D97706;
  --c-warning-light: #FFFBEB;

  /* Neutres */
  --c-dark:          #0F172A;
  --c-text:          #1E293B;
  --c-text-muted:    #64748B;
  --c-border:        #E2E8F0;
  --c-border-light:  #F1F5F9;
  --c-bg:            #F8FAFC;
  --c-white:         #FFFFFF;

  /* Typographie */
  --font:            'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Rayon */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-full: 9999px;

  /* Ombres */
  --shadow-xs: 0 1px 2px rgba(15,23,42,0.06);
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 16px rgba(15,23,42,0.08), 0 2px 4px rgba(15,23,42,0.04);
  --shadow-lg: 0 10px 40px rgba(15,23,42,0.10), 0 4px 12px rgba(15,23,42,0.05);
  --shadow-focus: 0 0 0 3px rgba(37,99,235,0.25);

  /* Espacements */
  --sp-1: 4px;  --sp-2: 8px;   --sp-3: 12px;
  --sp-4: 16px; --sp-5: 20px;  --sp-6: 24px;
  --sp-8: 32px; --sp-10: 40px; --sp-12: 48px;
  --sp-16: 64px;

  /* Layout */
  --container: 1200px;
  --header-h: 64px;

  /* Transitions */
  --transition: 0.2s ease;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--c-primary-dark); }

ul, ol { list-style: none; }

h1, h2, h3, h4 {
  color: var(--c-dark);
  line-height: 1.25;
  font-weight: 700;
}

/* ============================================================
   3. UTILITAIRES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   4. HEADER
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--shadow-xs);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--c-dark);
  letter-spacing: -0.02em;
}

.site-logo:hover { color: var(--c-primary); }

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--c-primary);
  color: var(--c-white);
  border-radius: var(--r-md);
  font-size: 1rem;
  font-weight: 800;
}

/* Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.header-nav a {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-muted);
  border-radius: var(--r-sm);
  transition: all var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--c-primary);
  background: var(--c-primary-light);
}

/* ============================================================
   5. HERO (page d'accueil)
   ============================================================ */

.hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 60%, #1D4ED8 100%);
  color: var(--c-white);
  padding: var(--sp-16) 0 var(--sp-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Motif de fond subtil */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(37,99,235,0.3) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(99,102,241,0.2) 0%, transparent 40%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--r-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  margin-bottom: var(--sp-6);
}

.hero-badge::before { content: '✓'; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin: 0 auto var(--sp-10);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--sp-10);
}

.hero-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.03em;
}

.hero-stat span {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ============================================================
   6. SECTION LISTE OUTILS
   ============================================================ */

.section-outils {
  padding: var(--sp-12) 0 var(--sp-16);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}

.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--c-dark);
}

.section-count {
  font-size: 0.875rem;
  color: var(--c-text-muted);
  font-weight: 500;
}

/* Grille des cartes */
.liste-outils {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-5);
}

/* ============================================================
   7. CARTE OUTIL (carte de la liste)
   ============================================================ */

.carte-outil {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
}

.carte-outil:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--c-primary-muted);
}

.carte-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}

.carte-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border-light);
  background: var(--c-bg);
  object-fit: contain;
  padding: 4px;
  flex-shrink: 0;
}

.carte-logo-placeholder {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--c-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--c-primary);
  flex-shrink: 0;
}

.carte-meta {
  flex: 1;
  min-width: 0;
}

.carte-meta h2 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--sp-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.carte-meta h2 a {
  color: inherit;
}

.carte-meta h2 a:hover {
  color: var(--c-primary);
}

.carte-description {
  font-size: 0.875rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.carte-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border-light);
  margin-top: auto;
}

.carte-prix {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-text);
}

.carte-prix span {
  color: var(--c-text-muted);
  font-weight: 400;
}

/* ============================================================
   8. BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px var(--sp-3);
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge-categorie {
  background: var(--c-primary-light);
  color: var(--c-primary);
}

.badge-gratuit {
  background: var(--c-success-light);
  color: var(--c-success);
}

.badge-freemium {
  background: var(--c-warning-light);
  color: var(--c-warning);
}

/* ============================================================
   9. BOUTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* Bouton primaire */
.btn-primary {
  background: var(--c-primary);
  color: var(--c-white);
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  color: var(--c-white);
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
  transform: translateY(-1px);
}

/* Bouton outline */
.btn-outline {
  background: var(--c-white);
  color: var(--c-primary);
  border: 1.5px solid var(--c-primary);
}

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

/* Bouton ghost (carte) */
.btn-voir {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-primary-light);
  transition: all var(--transition);
}

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

/* Bouton affiliation (CTA principal fiche) */
.btn-affiliation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  font-size: 1rem;
  font-weight: 700;
  background: var(--c-primary);
  color: var(--c-white);
  transition: all var(--transition);
  margin-top: var(--sp-4);
}

.btn-affiliation::after { content: ' →'; }

.btn-affiliation:hover {
  background: var(--c-primary-dark);
  color: var(--c-white);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
  transform: translateY(-1px);
}

/* ============================================================
   10. PAGE FICHE PRODUIT
   ============================================================ */

.page-fiche {
  padding: var(--sp-8) 0 var(--sp-16);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.875rem;
  color: var(--c-text-muted);
  margin-bottom: var(--sp-8);
}

.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-primary); }

.breadcrumb-sep { color: var(--c-border); }

/* Layout deux colonnes */
.fiche-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-8);
  align-items: start;
}

/* Colonne gauche — contenu principal */
.fiche-main {}

/* En-tete de la fiche */
.fiche-produit .fiche-header {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  margin-bottom: var(--sp-8);
}

.fiche-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  object-fit: contain;
  padding: var(--sp-2);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.fiche-header-info { flex: 1; }

.fiche-header-info h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--c-dark);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-3);
}

.fiche-badges {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* Sections contenu */
.fiche-section {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  margin-bottom: var(--sp-5);
}

.fiche-section h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--c-border-light);
}

.fiche-section p {
  color: var(--c-text);
  line-height: 1.75;
}

/* Liste avantages / inconvenients */
.liste-avantages-inconvenients {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.avantage,
.inconvenient {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.9375rem;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
}

.avantage {
  background: var(--c-success-light);
  color: #065F46;
}

.avantage::before {
  content: '✓';
  font-weight: 800;
  color: var(--c-success);
  flex-shrink: 0;
  margin-top: 1px;
}

.inconvenient {
  background: var(--c-danger-light);
  color: #7F1D1D;
}

.inconvenient::before {
  content: '–';
  font-weight: 800;
  color: var(--c-danger);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ============================================================
   11. CARTE PRIX (colonne droite fiche)
   ============================================================ */

.carte-prix-sticky {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-6));
}

.carte-prix-box {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-md);
}

.prix-montant {
  text-align: center;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--c-border-light);
  margin-bottom: var(--sp-5);
}

.prix-montant .prix-valeur {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--c-dark);
  letter-spacing: -0.03em;
}

.prix-valeur span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text-muted);
}

.prix-gratuit {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-success);
}

.prix-modele {
  font-size: 0.875rem;
  color: var(--c-text-muted);
  text-align: center;
  margin-top: var(--sp-2);
}

.prix-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.prix-feature {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.875rem;
  color: var(--c-text-muted);
}

.prix-feature::before {
  content: '✓';
  color: var(--c-success);
  font-weight: 700;
  flex-shrink: 0;
}

.carte-prix-disclaimer {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  text-align: center;
  margin-top: var(--sp-3);
  line-height: 1.5;
}

/* Bandeau confiance */
.trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: 0.75rem;
  color: var(--c-text-muted);
  font-weight: 500;
  margin-top: var(--sp-4);
}

.trust-badge::before { content: '🔒'; }

/* ============================================================
   12. FOOTER
   ============================================================ */

.site-footer {
  background: var(--c-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--sp-12) 0 var(--sp-6);
  margin-top: var(--sp-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-10);
}

.footer-brand .site-logo {
  color: var(--c-white);
  margin-bottom: var(--sp-4);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 260px;
}

.footer-col h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--c-white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.liens-legaux {
  display: flex;
  gap: var(--sp-5);
}

.liens-legaux a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8125rem;
}

.liens-legaux a:hover { color: var(--c-white); }

/* ============================================================
   13. PAGES STATIQUES (mentions legales, confidentialite)
   ============================================================ */

.page-statique {
  padding: var(--sp-12) 0 var(--sp-16);
  max-width: 720px;
}

.page-statique h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--sp-8);
  letter-spacing: -0.02em;
}

.page-statique h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-top: var(--sp-8);
  margin-bottom: var(--sp-3);
}

.page-statique p {
  color: var(--c-text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}

/* ============================================================
   14. RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .fiche-layout {
    grid-template-columns: 1fr 300px;
    gap: var(--sp-6);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--sp-4); }

  .hero { padding: var(--sp-12) 0 var(--sp-10); }
  .hero h1 { font-size: 1.875rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: var(--sp-6); }
  .hero-stat strong { font-size: 1.375rem; }

  .section-outils { padding: var(--sp-8) 0 var(--sp-12); }

  .liste-outils {
    grid-template-columns: 1fr;
  }

  .fiche-layout {
    grid-template-columns: 1fr;
  }

  .carte-prix-sticky {
    position: static;
    order: -1;
  }

  .fiche-produit .fiche-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .header-nav { display: none; }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--sp-4);
    align-items: center;
  }

  .liste-outils {
    grid-template-columns: 1fr;
  }
}