/* ============================================================
   COMMON CSS — Martin Mulumba Tshitoko
   Variables, composants partagés, boutons, badges
   ============================================================ */

:root {
  /* ── BLEUS — Institutionnel & Autorité */
  --bleu-rdc:        #0057A8;
  --bleu-sombre:     #003D7A;
  --bleu-nuit:       #001E4C;
  --bleu-clair:      #2980D9;
  --bleu-glacier:    #D6E8F7;

  /* ── ORS — Prestige & Excellence */
  --or-rdc:          #F5C400;
  --or-chaud:        #D4A017;
  --or-dore:         #C9A84C;
  --or-clair:        #FFF3C4;
  --or-sombre:       #8B6914;

  /* ── ROUGES — Dynamisme & CTA */
  --rouge-rdc:       #CE1126;
  --rouge-sombre:    #9B0018;
  --rouge-vif:       #E8192C;
  --rouge-pale:      #FCE4E7;

  /* ── NEUTRES */
  --blanc:           #FFFFFF;
  --blanc-casse:     #F9F8F5;
  --gris-clair:      #F0EEE9;
  --gris-moyen:      #9B9B9B;
  --gris-sombre:     #4A4A4A;
  --noir-doux:       #1A1A2E;

  /* ── GLASSMORPHISM CLAIR */
  --glass-bg:          rgba(255, 255, 255, 0.72);
  --glass-border:      rgba(245, 196, 0, 0.35);
  --glass-shadow:      0 8px 32px rgba(0, 61, 122, 0.12);
  --glass-blur:        blur(18px);

  /* ── GLASSMORPHISM FONCÉ */
  --glass-dark-bg:     rgba(0, 30, 76, 0.52);
  --glass-dark-border: rgba(201, 168, 76, 0.40);
  --glass-dark-shadow: 0 8px 40px rgba(0, 0, 0, 0.28);

  /* ── TYPOGRAPHIE */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', sans-serif;
  --font-ui:      'DM Sans', sans-serif;

  /* ── RAYONS */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* ── TRANSITIONS */
  --transition-fast: 0.2s ease;
  --transition-med:  0.35s ease;
  --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── BASE */
body {
  background-color: var(--blanc-casse);
  overflow-x: hidden;
}

/* ── CARD VERRE CLAIR */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 61, 122, 0.18);
}

/* ── CARD VERRE FONCÉ */
.glass-card-dark {
  background: var(--glass-dark-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-dark-shadow);
}

/* ── DIVIDER OR */
.gold-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #D4A017, #F5C400);
  border-radius: 2px;
  margin: 12px 0;
}
.gold-divider-center {
  margin: 12px auto;
}

/* ── OVERLINE (utilisable seul ou dans .section-header) */
.overline {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bleu-rdc);
  margin-bottom: 0.75rem;
  display: block;
}

/* ── BADGE */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-ui);
  background: var(--or-clair);
  color: var(--or-sombre);
  border: 1px solid rgba(212, 160, 23, 0.30);
}
.badge-blue {
  background: var(--bleu-glacier);
  color: var(--bleu-sombre);
  border-color: rgba(0, 87, 168, 0.20);
}
.badge-rouge {
  background: var(--rouge-pale);
  color: var(--rouge-sombre);
  border-color: rgba(206, 17, 38, 0.20);
}

/* ── BOUTON PRIMAIRE */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--rouge-rdc);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  transition: all var(--transition-med);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(206, 17, 38, 0.28);
}
.btn-primary:hover {
  background: var(--rouge-sombre);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(206, 17, 38, 0.36);
}

/* ── BOUTON SECONDAIRE */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: all var(--transition-med);
  text-decoration: none;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(245, 196, 0, 0.70);
  color: var(--or-rdc);
}

/* ── BOUTON OUTLINE */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  color: var(--bleu-sombre);
  border: 1.5px solid var(--bleu-rdc);
  cursor: pointer;
  transition: all var(--transition-med);
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--bleu-rdc);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ── PAGE HERO — Sections intérieures */
.page-hero {
  padding-top: 6rem;
  padding-bottom: 3rem;
  background: linear-gradient(160deg, #001E4C 0%, #003D7A 45%, #0057A8 100%);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .page-hero {
    padding-top: 9rem;
    padding-bottom: 5rem;
  }
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
}
.page-hero-subtitle {
  font-family: var(--font-ui);
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  color: rgba(214, 232, 247, 0.80);
  line-height: 1.65;
}

/* ── TIMELINE */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--bleu-glacier), var(--bleu-rdc));
  border-radius: 1px;
}
.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.6rem;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bleu-rdc);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 3px var(--bleu-glacier);
}
.timeline-item.featured::before {
  background: var(--or-rdc);
  box-shadow: 0 0 0 4px rgba(245, 196, 0, 0.25);
  width: 16px;
  height: 16px;
  left: -2.7rem;
}

/* ── SECTION HEADER */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
@media (min-width: 768px) {
  .section-header {
    margin-bottom: 3.5rem;
  }
}
.section-header .overline {
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--noir-doux);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-header p {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: var(--gris-sombre);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── MOBILE — boutons full-width */
@media (max-width: 639px) {
  .btn-primary,
  .btn-secondary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }
}

/* ══════════════════════════════════════════════════════════════
   NAVBAR — sticky garanti + responsive sans dépendance Tailwind CDN
   ══════════════════════════════════════════════════════════════ */

/* Position fixed garantie — indépendante des classes Tailwind */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

/* Logo texte — toujours visible (mobile + desktop) */
.logo-text {
  display: block !important;
}

/* Liens desktop + CTA Contact — cachés sur mobile */
.nav-desktop-ul {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-cta {
  display: none;
}

/* Hamburger — visible sur mobile, tap target 44×44px minimum */
#menuBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
  border-radius: 0.5rem;
  /* Couleur par défaut : blanc (index.html — hero sombre transparent) */
  color: #FFFFFF;
}

/* Pages intérieures (navbar toujours blanc) : hamburger sombre */
.page-light #menuBtn {
  color: var(--noir-doux);
}

/* ── ARMOIRIE OVERLAY — décor semi-transparent dans les heroes */
.armoirie-overlay {
  position: absolute;
  right: -6%;
  bottom: -8%;
  width: 58%;
  max-width: 540px;
  opacity: 0.08;
  z-index: 1;
  pointer-events: none;
  user-select: none;
  /* Le SVG est noir (#020101) → on l'inverse en blanc pour le fond sombre */
  filter: brightness(0) invert(1);
}

/* Variante centrée — hero index.html (enfant direct de section#hero, z-index 15) */
.armoirie-hero-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  max-width: 560px;
  opacity: 0.07;
  z-index: 15;
  pointer-events: none;
  user-select: none;
  filter: brightness(0) invert(1);
}

/* ── FOOTER CREDIT LINK */
.footer-credit-link {
  opacity: 0.7;
  text-decoration: underline;
  color: inherit;
}

/* ── BURGER ICON — animation 3 barres → X */
.burger-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 22px;
  height: 22px;
  position: relative;
}
.burger-bar {
  display: block;
  width: 22px;
  height: 2.5px;
  background: currentColor;
  border-radius: 2px;
  position: absolute;
  transition: top 0.25s ease 0.1s, bottom 0.25s ease 0.1s,
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.2s ease;
}
.burger-bar:nth-child(1) { top: 3px; }
.burger-bar:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger-bar:nth-child(3) { bottom: 3px; }

#menuBtn.menu-open .burger-bar:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  transition: top 0.25s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}
#menuBtn.menu-open .burger-bar:nth-child(2) {
  opacity: 0;
  transform: translateY(-50%) scaleX(0);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
#menuBtn.menu-open .burger-bar:nth-child(3) {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
  transition: bottom 0.25s ease, top 0.25s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

/* ── Desktop (≥ 768px) : inverse tout */
@media (min-width: 768px) {
  .nav-desktop-ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  .nav-cta {
    display: inline-flex;
    align-items: center;
  }
  #menuBtn {
    display: none;
  }
}

/* ── TIMELINE — mobile padding réduit */
@media (max-width: 639px) {
  .timeline {
    padding-left: 2rem;
  }
  .timeline-item::before {
    left: -2.15rem;
  }
  .timeline-item.featured::before {
    left: -2.25rem;
  }
}