/* ====================================================
   NAVIGATION
   Barre de navigation et menu hamburger
   ====================================================*/

/* ===== NAVBAR ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); padding: 0 6%;
  background: rgba(255,255,255,.97); backdrop-filter: blur(12px);
  box-shadow: 0 2px 14px rgba(21,101,192,.10);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.nav-logo img { height: 46px; width: 46px; border-radius: 50%; object-fit: cover; }
.nav-logo-name { font-family: var(--font-h); font-weight: 800; font-size: .95rem; color: var(--blue-dark); line-height: 1.2; }
.nav-logo-sub  { display: block; font-size: .6rem; font-weight: 500; color: var(--orange); letter-spacing: .05em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { font-family: var(--font-h); font-size: .72rem; font-weight: 600; color: var(--dark); text-decoration: none; padding: 7px 9px; border-radius: 7px; transition: color .2s, background .2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: rgba(21,101,192,.07); }
.nav-links .btn-don { background: var(--orange); color: #fff !important; border-radius: 8px; padding: 8px 14px; }
.nav-links .btn-don:hover { background: var(--orange-dk); }

.btn-lang {
  display: flex; align-items: center; gap: 5px;
  background: var(--blue); color: #fff; border: none;
  border-radius: 7px; padding: 7px 13px;
  font-family: var(--font-h); font-size: .72rem; font-weight: 700;
  cursor: pointer; margin-left: 8px; transition: background .2s; white-space: nowrap;
}
.btn-lang:hover { background: var(--blue-dark); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { display: block; height: 2px; background: var(--dark); border-radius: 2px; transition: all .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: #fff; padding: 16px 6% 24px; flex-direction: column; gap: 4px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12); z-index: 998;
  border-top: 1px solid rgba(21,101,192,.08);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { display: block; padding: 11px 14px; border-radius: 9px; color: var(--dark); text-decoration: none; font-family: var(--font-h); font-size: .88rem; font-weight: 600; transition: background .15s; }
.mobile-menu a:hover { background: var(--gray); }
.mobile-menu .btn-don { background: var(--orange); color: #fff; text-align: center; margin-top: 8px; }
.mobile-menu .btn-lang-m { margin-top: 4px; text-align: center; }