/* Navbar sticky translucide — logo Quadral, ancres de section, bouton LinkedIn. */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 29, 77, 0.72);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  border-bottom: 1px solid var(--card-border);
  /* iPhone : la navbar passe sous l'encoche (viewport-fit=cover),
     on la décale d'autant. env() vaut 0 ailleurs. */
  padding-top: env(safe-area-inset-top, 0px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  height: 68px;
  max-width: 1600px;
  margin-inline: auto;
  /* Paysage iPhone : ne pas coller aux bords arrondis/encoche. */
  padding-inline:
    calc(var(--container-pad) + env(safe-area-inset-left, 0px))
    calc(var(--container-pad) + env(safe-area-inset-right, 0px));
}

.navbar__brand img {
  height: 30px;
  width: auto;
  display: block;
}

.navbar__links {
  display: flex;
  align-items: center;
  margin-right: auto;
  margin-left: var(--space-5);
}
.navbar__links a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.01em;
  color: var(--text-muted);
  padding: 6px var(--space-4);
  position: relative;
  transition: color var(--t-fast);
}
/* Séparateurs verticaux entre les liens (rose signature). */
.navbar__links a + a { border-left: 1px solid var(--pop); }
.navbar__links a::after {
  /* Soulignement accent qui se déploie au survol. */
  content: "";
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: 0;
  height: 2px;
  background: var(--pop);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease-out);
}
.navbar__links a:hover { color: var(--text-on-navy); }
.navbar__links a:hover::after { transform: scaleX(1); }

/* Séparateur avant le bouton LinkedIn. */
.navbar__sep {
  width: 1px;
  align-self: stretch;
  margin: 16px 0;
  background: var(--pop);
}

/* Groupe d'actions collé à droite. */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-4);
  flex: none;
}

/* Bouton « Nous suivre [in] » : rectangle fin, icône en fin de texte. */
.navbar__linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: transparent;
  color: var(--text-on-navy);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: border-color var(--t-fast), background-color var(--t-fast), color var(--t-fast);
}
.navbar__linkedin svg { width: 18px; height: 18px; flex: none; display: block; }
.navbar__linkedin:hover {
  border-color: var(--pop);
  background: rgba(248, 193, 217, 0.12);
  color: var(--pop);
}

/* — Burger (mobile uniquement) — même gabarit que le bouton LinkedIn. */
.navbar__burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 12px 11px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  flex: none;
}
.navbar__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-on-navy);
  border-radius: 1px;
  transition: transform var(--t-med) var(--ease-out), opacity var(--t-fast);
}
.navbar.is-open .navbar__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.is-open .navbar__burger span:nth-child(2) { opacity: 0; }
.navbar.is-open .navbar__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* — Mobile : burger + menu déroulant — */
@media (max-width: 760px) {
  .navbar__sep { display: none; }
  .navbar__burger { display: inline-flex; width: 38px; height: 38px; padding: 10px 9px; }
  /* Boutons plus discrets en mobile. */
  .navbar__linkedin {
    height: 38px;
    padding: 0 10px;
    font-size: 0.68rem;
    gap: 7px;
  }
  .navbar__linkedin svg { width: 15px; height: 15px; }

  .navbar__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: var(--space-2) var(--container-pad) var(--space-3);
    background: rgba(14, 29, 77, 0.97);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(12px) saturate(120%);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
  }
  .navbar.is-open .navbar__links { display: flex; }

  /* Liens empilés : zones tactiles généreuses, séparateur horizontal. */
  .navbar__links a {
    padding: 14px 0;
    font-size: var(--fs-body);
  }
  .navbar__links a + a {
    border-left: 0;
    border-top: 1px solid var(--card-border);
    padding-left: 0;
  }
  .navbar__links a::after { display: none; }
}