/* =========================================================
   navbar.css (PROPRE)
   Barre de navigation CEMID — Desktop + Mobile Drawer
   → utilisée sur TOUTES les pages
========================================================= */

/* ===== NAVBAR GLOBAL ===== */
nav{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1200; /* au-dessus du contenu */
  padding: 18px 0;

  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0,51,204,0.08);

  transition: all .3s ease;
}

nav.scrolled{
  padding: 12px 0;
  box-shadow: 0 10px 40px rgba(0,51,204,0.12);
}

/* Contenu interne */
.navbar{
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ===== BRAND ===== */
.brand{
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  transition: transform .3s ease;
}
.brand:hover{ transform: scale(1.02); }

/* Logo dans rectangle arrondi */
.brand-logo{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  overflow: hidden;

  background: linear-gradient(135deg, #0033cc, #0066ff);
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 12px 30px rgba(0,51,204,0.15);

  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;

  transition: all .3s ease;
}
.brand-logo:hover{ transform: rotate(5deg) scale(1.05); }

/* IMPORTANT: le logo doit REMPLIR le rectangle */
.brand-logo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  padding: 0;
}

/* Glow animé sur le logo */
.brand-logo::before{
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,.22), transparent);
  transform: translateX(-110%);
  transition: transform .6s;
}
.brand-logo:hover::before{ transform: translateX(110%); }

/* Texte logo */
.brand-text h1{
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg, #0033cc, #0066ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2px;
}
.brand-text p{
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.5px;
}

/* ===== MENU DESKTOP - AVEC SEPARATEURS JAUNES ===== */
.nav-menu{
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  background: none;
  padding: 0;
  border-radius: 0;
}

.nav-menu li{
  position: relative;
}

.nav-menu li:not(:last-child)::after{
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 2px;
  height: 20px;
  background: #FFD700; /* JAUNE */
  opacity: 0.6;
}

.nav-menu a{
  position: relative;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
  transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  background: transparent;
  border-radius: 0;
}

.nav-menu a:hover{
  color: #0033cc;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.nav-menu a::after{
  content: '';
  position: absolute;
  bottom: -4px;
  left: 24px;
  right: 24px;
  height: 3px;
  background: #FFD700; /* JAUNE */
  transform: scaleX(0);
  transition: transform .3s ease;
  border-radius: 2px;
}

.nav-menu a:hover::after,
.nav-menu a.active::after{
  transform: scaleX(1);
}

.nav-menu a.active{
  background: transparent;
  color: #0033cc;
  box-shadow: none;
  font-weight: 800;
}

/* ===== BURGER ===== */
.burger{
  display: none;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #0033cc 0%, #0066ff 100%);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,51,204,0.2);

  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;

  transition: all .3s ease;
  z-index: 1250;
  position: relative;
}

.burger span{
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all .3s ease;
}

.burger:hover{
  transform: translateY(-1px);
  box-shadow: 0 15px 35px rgba(0,51,204,0.3);
}

/* Animation burger → X */
.burger.active{
  background: linear-gradient(135deg, #ff4757, #ff6b81);
}
.burger.active span:nth-child(1){
  transform: rotate(45deg) translate(6px, 6px);
}
.burger.active span:nth-child(2){ opacity: 0; }
.burger.active span:nth-child(3){
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== OVERLAY MOBILE ===== */
.menu-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: all .3s ease;
  z-index: 1100; /* sous le menu */
}
.menu-overlay.active{
  opacity: 1;
  pointer-events: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px){
  .nav-menu a{ padding: 10px 18px; font-size: 13px; }
}

/* ===== MOBILE MENU (panel propre) ===== */
@media (max-width: 768px){
  nav{ padding: 16px 0; }
  .navbar{ padding: 0 16px; }

  .burger{ display: flex; }

  /* menu mobile en panneau */
  .nav-menu{
    display: none;
    position: fixed;
    top: 82px;
    left: 14px;
    right: 14px;

    flex-direction: column;
    gap: 8px;

    padding: 20px;
    border-radius: 22px;

    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(18px);

    box-shadow: 0 26px 70px rgba(15,23,42,0.16);
    border: 1px solid rgba(0,51,204,0.10);

    z-index: 1150; /* au-dessus overlay */
    animation: slideDown .22s ease;
  }

  .nav-menu.active{ display: flex; }

  @keyframes slideDown{
    from{ opacity: 0; transform: translateY(-14px); }
    to{ opacity: 1; transform: translateY(0); }
  }

  .nav-menu li{ 
    width: 100%; 
    border-bottom: 1px solid rgba(255,215,0,0.3); /* JAUNE */
    padding-bottom: 8px;
  }

  .nav-menu li:last-child{
    border-bottom: none;
    padding-bottom: 0;
  }

  .nav-menu li:not(:last-child)::after{
    display: none; /* Supprime les séparateurs verticaux en mobile */
  }

  .nav-menu a{
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    justify-content: flex-start;
    background: transparent;
    border: none;
  }

  .nav-menu a::after{
    left: 16px;
    right: 16px;
    height: 2px;
    bottom: -2px;
    background: #FFD700; /* JAUNE */
  }

  .nav-menu a:hover{
    background: rgba(255,215,0,0.08); /* JAUNE très léger */
    border-color: transparent;
    transform: none;
  }

  .nav-menu a.active{
    background: rgba(0,51,204,0.05);
    color: #0033cc;
    border-color: transparent;
    box-shadow: none;
  }
}

/* Très petits écrans */
@media (max-width: 480px){
  .navbar{ padding: 0 12px; }

  .brand-text h1{ font-size: 20px; }
  .brand-text p{ display: none; }

  .brand-logo{ width: 52px; height: 52px; border-radius: 16px; }
  .burger{ width: 44px; height: 44px; }

  .nav-menu{
    top: 78px;
    left: 12px;
    right: 12px;
    padding: 16px;
  }
  .nav-menu a{ padding: 14px; font-size: 15px; }
}

/* ===== Accessibilité ===== */
.nav-menu a:focus-visible,
.burger:focus-visible{
  outline: 3px solid rgba(0,51,204,0.5);
  outline-offset: 3px;
}

/* Empêche le scroll quand menu ouvert (si JS l'ajoute) */
body.menu-open{ overflow: hidden; }