/* ════════════════════════════════════════════════════════════════
   DECISIO.BE — main.css (v3 — Mai 2026)
   Variables, reset, typo, navigation, sélecteur de langue,
   burger menu mobile, boutons, footer.
   Chargé sur TOUTES les pages du site.
   ════════════════════════════════════════════════════════════════ */

/* ─── 1. VARIABLES (design tokens) ──────────────────────── */
:root {
  /* Couleurs principales */
  --black: #1a1a1a;
  --white: #ffffff;
  --cream: #f5f0e8;
  --muted: #6b6b6b;

  /* Couleurs accent */
  --accent: #e8462a;     /* Orange/rouge — CTA principal */
  --accent2: #2a5ce8;    /* Bleu — accent secondaire */
  --green: #1a8a4a;      /* Vert — résultats positifs */
  --orange: #d97706;     /* Orange — résultats neutres */

  /* Couleurs régions */
  --bxl: #2a5ce8;        /* Bruxelles — bleu */
  --wal: #d4a017;        /* Wallonie — jaune/or */
  --fla: #333333;        /* Flandre — noir */

  /* Typographie */
  --font-display: 'Syne', system-ui, -apple-system, sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  /* Layout */
  --nav-height: 72px;
  --max-width: 1400px;

  /* Animations */
  --transition: all 0.2s ease;
}

/* ─── 2. RESET ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: #c73d24; }

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

/* iOS / Android moderne — empêche scroll arrière quand menu ouvert */
body.menu-open {
  overflow: hidden;
  position: relative;
}

/* ─── 3. NAVIGATION (.main-nav) ─────────────────────────── */
/* Note : utilise .main-nav (classe), cohérent avec header.php */

.main-nav {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1.5px solid var(--black);
}

.main-nav .nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.main-nav .nav-logo {
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}
.main-nav .logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--black);
}
.main-nav .logo-o { color: var(--accent); }

/* Liens */
.main-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.main-nav .nav-links li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav .nav-links li::before { display: none; content: none; }
.main-nav .nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  border-radius: 100px;
  transition: background 0.15s ease, color 0.15s ease;
}
.main-nav .nav-links a:hover {
  background: var(--cream);
  color: var(--black);
}
.main-nav .nav-links a.active {
  color: var(--accent);
}

/* CTA dans la nav */
.main-nav .nav-cta {
  background: var(--black);
  color: white !important;
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 14px !important;
  transition: background 0.2s;
}
.main-nav .nav-cta:hover {
  background: var(--accent);
}

/* ─── 4. BURGER MENU (mobile) ───────────────────────────── */
.main-nav .nav-burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  z-index: 1002;
}
.main-nav .nav-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--black);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.main-nav .nav-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.main-nav .nav-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.main-nav .nav-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Overlay mobile (pour fermer en cliquant à côté) */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}
.nav-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ─── 5. SÉLECTEUR DE LANGUE ────────────────────────────── */
/* (Anciennement dans lang-switcher.css, fusionné ici) */

.lang-switcher {
  position: relative;
  flex-shrink: 0;
  list-style: none;
}
.lang-switcher * { list-style: none; }

.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--black);
  background: transparent;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}
.lang-current:hover {
  background: var(--cream);
  border-color: rgba(0, 0, 0, 0.2);
}

.lang-current .lang-short { font-weight: 700; }
.lang-current .lang-flag {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.lang-current .lang-chevron {
  transition: transform 0.2s ease;
  opacity: 0.6;
}
.lang-current[aria-expanded="true"] .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 6px;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 1000;
}
.lang-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-menu li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.lang-menu li::before { display: none; content: none; }

.lang-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.15s ease;
}
.lang-menu a:hover,
.lang-menu a:focus-visible {
  background: var(--cream);
  color: var(--black);
}

.lang-menu .lang-short {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.5px;
  min-width: 22px;
  color: var(--muted);
}
.lang-menu .lang-flag {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.lang-menu .lang-name { flex: 1; }

/* ─── 6. BOUTONS ────────────────────────────────────────── */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font-body);
  text-decoration: none;
  border: 1.5px solid var(--black);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--black);
  color: white;
  border-color: var(--black);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--black);
}
.btn-secondary:hover {
  background: var(--cream);
  color: var(--black);
}

/* ─── 7. UTILITAIRES ────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}

/* ─── 8. FOOTER ─────────────────────────────────────────── */
footer {
  background: var(--black);
  color: white;
  padding: 48px 60px;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.footer-tagline {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
  font-style: italic;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: white; }
.footer-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ─── 9. MOBILE — NAVIGATION (≤ 900px) ──────────────────── */
@media (max-width: 900px) {
  .main-nav .nav-container {
    padding: 0 16px;
    gap: 12px;
  }

  .main-nav .nav-burger { display: flex; }

  .main-nav .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 16px 24px;
    background: white;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    height: auto;
    max-height: calc(100dvh - var(--nav-height));
  }
  .main-nav .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav .nav-links li {
    display: block;
    width: 100%;
  }
  .main-nav .nav-links a {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }

  .main-nav .nav-cta {
    margin-top: 12px;
    text-align: center;
    padding: 12px 20px !important;
  }

  .lang-switcher {
    margin-left: auto;
  }
  .lang-current {
    padding: 6px 10px;
    font-size: 12px;
  }
  .lang-menu {
    right: 0;
    min-width: 160px;
  }

  /* Footer mobile */
  footer { padding: 36px 24px; }
  .footer-links { gap: 16px; }
}

/* ─── 10. MOBILE — TRÈS PETITS ÉCRANS (≤ 560px) ─────────── */
@media (max-width: 560px) {
  body { font-size: 15px; }
  .btn-primary, .btn-secondary {
    padding: 12px 22px;
    font-size: 14px;
  }
}