/* ============================================================
   navbar.css — CEA Lanús
   Barra de navegación fija · Desktop + Mobile hamburger
============================================================ */

#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  /* Fondo permanente: links siempre visibles */
  background: rgba(8,8,8,0.93);
  border-bottom: 1px solid rgba(200,169,81,0.12);
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
#navbar.scrolled {
  background: rgba(8,8,8,0.99);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  border-color: rgba(200,169,81,0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}

.logo-circle {
  width: 58px;
  height: 58px;
  background-image: url('../assets/images/logo-cea.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: transparent;
  border: none;
  flex-shrink: 0;
}


.logo-tagline {
  display: flex; flex-direction: column; line-height: 1.1;
}
.logo-tagline span:first-child {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  color: var(--blanco);
}
.logo-tagline span:last-child {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dorado);
}

/* Nav links */
.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blanco-dim);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.3s, background 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 1.5px;
  background: var(--dorado);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--blanco); }
.nav-links a:hover::after { width: 60%; }
.nav-links a.active { color: var(--dorado); }

.nav-cta {
  padding: 9px 22px;
  background: var(--magenta);
  color: #fff !important;
  border-radius: 2px;
  font-weight: 700 !important;
  transition: var(--transition) !important;
}
.nav-cta:hover { background: var(--magenta-soft) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 26px; height: 2px;
  background: var(--blanco); border-radius: 2px;
  transition: var(--transition);
}
.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 nav */
.nav-mobile {
  position: fixed; inset: 0; top: var(--nav-h);
  background: rgba(8,8,8,0.98);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  z-index: 999;
}
.nav-mobile.open { transform: translateX(0); }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--blanco);
  transition: color 0.3s;
  padding: 8px 0;
}
.nav-mobile a:hover { color: var(--dorado); }