/* ==========================================================================
   Comparabel.be — feuille de style principale
   Design contemporain : dégradé indigo→violet, accent jaune belge,
   header translucide, cartes en relief doux, micro-interactions.
   Zéro dépendance externe (pas de webfont, pas de framework CSS) :
   toute la charte se règle via les variables :root ci-dessous.
   ========================================================================== */

:root {
  /* Couleurs de marque */
  --c-primary: #2447e0;
  --c-primary-dark: #1b34a8;
  --c-violet: #6d3ce0;
  --c-primary-light: #eef1fe;
  --c-accent: #ffd23f;
  --c-accent-dark: #d9a900;

  /* Neutres */
  --c-ink: #12172b;
  --c-ink-soft: #5b6478;
  --c-bg: #ffffff;
  --c-bg-alt: #f6f7fc;
  --c-border: #e4e8f2;
  --c-success: #0e9f5d;

  /* Effets */
  --grad-brand: linear-gradient(120deg, var(--c-primary) 0%, var(--c-violet) 100%);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(18, 23, 43, 0.05), 0 4px 12px rgba(18, 23, 43, 0.05);
  --shadow-md: 0 6px 24px rgba(18, 23, 43, 0.10);
  --shadow-brand: 0 8px 24px rgba(36, 71, 224, 0.28);
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }

h1, h2, h3, h4 { letter-spacing: -0.02em; line-height: 1.2; }

::selection { background: var(--c-accent); color: var(--c-ink); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------------------------------
   En-tête translucide, navigation, sélecteur de langue
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--c-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 70px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--c-ink);
  white-space: nowrap;
}

/* Monogramme « C » sur dégradé de marque, drapeau belge intégré (= favicon) */
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 2px 8px rgba(36, 71, 224, 0.30);
  flex: none;
  transition: transform 0.2s ease;
}

.logo:hover .logo-mark { transform: rotate(-4deg) scale(1.06); }

.logo-tld { color: var(--c-accent-dark); }

.main-nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  flex-wrap: wrap;
  align-items: center;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--c-ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.main-nav a:hover { background: var(--c-bg-alt); color: var(--c-ink); }
.main-nav a.active { background: var(--c-primary-light); color: var(--c-primary); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 10px;
  padding-left: 12px;
  border-left: 1px solid var(--c-border);
  color: var(--c-border);
}

.lang-switch a { padding: 6px 8px; font-size: 0.85rem; font-weight: 700; }
.lang-switch a.current { color: var(--c-primary); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--c-ink);
}

/* --------------------------------------------------------------------------
   Heros — dégradé de marque + halos lumineux
   -------------------------------------------------------------------------- */

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--grad-brand);
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 15% -10%, rgba(255, 255, 255, 0.22), transparent 60%),
    radial-gradient(500px 320px at 90% 110%, rgba(255, 210, 63, 0.20), transparent 60%);
  pointer-events: none;
}

.hero .container,
.page-hero .container { position: relative; }

.hero {
  padding: 88px 0 96px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 18px;
}

.hero p {
  max-width: 640px;
  margin: 0 auto 36px;
  font-size: 1.12rem;
  opacity: 0.92;
}

.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.page-hero { padding: 56px 0; }

.page-hero h1 { font-size: clamp(1.65rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 10px; }
.page-hero p { max-width: 720px; opacity: 0.92; }
.page-hero .page-meta { font-size: 0.85rem; opacity: 0.75; margin-top: 6px; }

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn:active { transform: translateY(0); }

.btn-accent {
  background: var(--c-accent);
  color: var(--c-ink);
  box-shadow: 0 6px 20px rgba(255, 210, 63, 0.45);
}

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(4px);
}

/* --------------------------------------------------------------------------
   Sections et cartes
   -------------------------------------------------------------------------- */

.section { padding: 72px 0; }
.section.alt { background: var(--c-bg-alt); }

.section-title {
  text-align: center;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 36px;
}

.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-decoration: none;
  color: var(--c-ink);
  display: block;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(36, 71, 224, 0.35);
}

.card .icon { font-size: 2.3rem; margin-bottom: 14px; display: block; }
.card h3 { margin-bottom: 8px; font-size: 1.15rem; }
.card p { color: var(--c-ink-soft); font-size: 0.95rem; }
.card .card-link { display: inline-block; margin-top: 14px; color: var(--c-primary); font-weight: 700; }
.card-compact { padding: 22px; }
.card-compact h3 { font-size: 1rem; margin-top: 12px; }

/* Badges de type de page (avis / résiliation / duel / guide) */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--c-primary-light);
  color: var(--c-primary);
}

.tag-review { background: #e4f7ec; color: var(--c-success); }
.tag-cancel { background: #fdecec; color: #c0392b; }
.tag-duel { background: #fff3cf; color: #96700a; }
.tag-onhero { background: rgba(255, 255, 255, 0.18); color: #fff; margin-bottom: 12px; }

/* Étapes « comment ça marche » */
.steps { counter-reset: step; }

.step {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: var(--shadow-brand);
}

/* --------------------------------------------------------------------------
   Comparateur : barre de filtres flottante + offres
   -------------------------------------------------------------------------- */

.filter-bar {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin-top: -38px;
  position: relative;
  box-shadow: var(--shadow-md);
}

.filter-bar .field { display: flex; flex-direction: column; gap: 6px; min-width: 170px; flex: 1; }
.filter-bar label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft);
}

.filter-bar select,
.filter-bar input {
  padding: 11px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--c-bg);
  color: var(--c-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-bar select:focus,
.filter-bar input:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(36, 71, 224, 0.15);
}

.results-count {
  margin: 30px 0 16px;
  color: var(--c-ink-soft);
  font-size: 0.95rem;
}

.offer-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 56px; }

.offer {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) 2fr auto;
  gap: 22px;
  align-items: center;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.offer:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.offer.best {
  border: 2px solid var(--c-success);
  background: linear-gradient(180deg, rgba(14, 159, 93, 0.045), transparent 45%), var(--c-bg);
}

.badge {
  display: inline-block;
  background: var(--c-success);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  padding: 4px 11px;
  border-radius: 999px;
  margin-bottom: 8px;
  box-shadow: 0 4px 12px rgba(14, 159, 93, 0.35);
}

.offer .provider { font-weight: 800; font-size: 1.12rem; letter-spacing: -0.01em; }
.offer .offer-name { color: var(--c-ink-soft); font-size: 0.9rem; }

.offer .features { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.offer .features li { font-size: 0.9rem; color: var(--c-ink-soft); }
.offer .features li::before { content: "✓ "; color: var(--c-success); font-weight: 800; }

.offer .price-box { text-align: right; }

.offer .price {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-primary);
  white-space: nowrap;
}

.offer .price small { font-size: 0.8rem; color: var(--c-ink-soft); font-weight: 600; letter-spacing: 0; }
.offer .price-box .btn { margin-top: 12px; }

.empty-state {
  text-align: center;
  padding: 52px 20px;
  color: var(--c-ink-soft);
  background: var(--c-bg-alt);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 56px;
}

/* --------------------------------------------------------------------------
   Pages éditoriales (avis, résilier, duels, guides)
   -------------------------------------------------------------------------- */

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(240px, 1fr);
  gap: 44px;
  align-items: start;
}

.prose { font-size: 1.02rem; }
.prose h2 { margin: 34px 0 12px; font-size: 1.45rem; }
.prose h3 { margin: 24px 0 8px; font-size: 1.12rem; }
.prose p, .prose ul, .prose ol { margin-bottom: 15px; color: var(--c-ink-soft); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 4px; }
.prose strong { color: var(--c-ink); }
.prose a { color: var(--c-primary); font-weight: 600; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }

.prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 18px 0;
  font-size: 0.92rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.prose th, .prose td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--c-border); }
.prose tr:last-child td { border-bottom: none; }
.prose th { background: var(--c-bg-alt); color: var(--c-ink); }

.crosslink {
  background: var(--c-primary-light);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius-sm);
  padding: 15px 18px;
  font-weight: 600;
}

.provider-box {
  position: sticky;
  top: 92px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.provider-box h3 { font-size: 1.25rem; }
.provider-box .tagline { color: var(--c-ink-soft); font-size: 0.92rem; }
.provider-box .rating { font-weight: 700; font-size: 0.95rem; }
.provider-box .stars { color: var(--c-accent-dark); letter-spacing: 2px; }

/* --------------------------------------------------------------------------
   Formulaires
   -------------------------------------------------------------------------- */

.form-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group { margin-bottom: 20px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-weight: 700; font-size: 0.9rem; }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--c-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(36, 71, 224, 0.15);
}

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

.form-success {
  display: none;
  background: #e4f7ec;
  border: 1px solid var(--c-success);
  color: #0a6b40;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 16px;
  font-weight: 600;
}

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

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */

.site-footer {
  background: #0f1424;
  color: #b9c0d2;
  padding: 56px 0 26px;
  margin-top: 72px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 36px;
}

.site-footer h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.site-footer a { color: #b9c0d2; text-decoration: none; font-size: 0.92rem; transition: color 0.15s ease; }
.site-footer a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid #262e47;
  padding-top: 22px;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Accessibilité & responsive
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
  html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .provider-box { position: static; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-md);
  }

  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav a { border-radius: var(--radius-sm); }
  .lang-switch { margin-left: 0; padding-left: 0; border-left: none; }

  .hero { padding: 64px 0 72px; }
  .offer { grid-template-columns: 1fr; }
  .offer .price-box { text-align: left; }
}