/* ══════════════════════════════════════════════════════
   navbar.css — Barra de navegación fija + mobile menu
   ══════════════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: var(--navbar-height);
  background: rgba(26, 92, 58, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

/* ── Logo ─────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo img {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-text .brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo-text .tagline {
  font-size: 0.65rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ── Links ────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--color-white);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ── Acciones (íconos + hamburguesa) ──────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-icon-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}

.nav-icon-btn:hover {
  background: rgba(255,255,255,0.22);
  transform: scale(1.05);
}

/* ── Hamburguesa ──────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.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); }

/* ── Menú mobile ──────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: var(--navbar-height);
  left: 0; right: 0;
  background: var(--color-green-dark);
  z-index: calc(var(--z-navbar) - 1);
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  transform: translateY(-110%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 3px solid var(--color-gold);
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu a {
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--color-white);
  padding-left: 8px;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 900px) {
  .navbar { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  .navbar { padding: 0 1rem; }

  .nav-logo-text .brand {
    font-size: 1rem;
  }

  .nav-logo-text .tagline {
    font-size: 0.58rem;
  }

  .nav-logo img {
    height: 34px;
  }

  /* Ocultar íconos de mail/wsp en navbar en mobile muy chico,
     los botones flotantes los reemplazan */
  .nav-icon-btn:not(.hamburger) {
    display: none;
  }
}