/* ============================================================
   NAV COMPARTILHADO — Portal Educacional de Maranguape
   ============================================================ */

/* NAVBAR MODERNA */
.nav-modern {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.nav-modern.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-modern .navbar-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #0891B2 0%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-modern .nav-link {
  color: #0F172A !important;
  font-weight: 500;
  font-size: 0.7rem;
  padding: 0.3rem 0.45rem !important;
  transition: all 0.3s ease;
  position: relative;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-modern .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #0891B2 0%, #10B981 100%);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-modern .nav-link:hover::after,
.nav-modern .nav-link.active::after {
  width: 80%;
}

.nav-modern .nav-link.active {
  color: #0891B2 !important;
}

.nav-modern .navbar-nav { gap: 0; }

.nav-modern .dropdown-menu {
  border: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.nav-modern .dropdown-item {
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  transition: all 0.3s ease;
  font-size: 0.82rem;
}

.nav-modern .dropdown-item:hover {
  background: linear-gradient(135deg, #0891B2 0%, #10B981 100%);
  color: white !important;
  transform: translateX(5px);
}

/* Dropdown submenu */
.nav-modern .dropdown-submenu {
  position: relative;
}

.nav-modern .dropdown-submenu .dropdown-menu {
  top: 0;
  left: 100%;
  margin-top: -6px;
}

.nav-modern .dropdown-submenu:hover > .dropdown-menu {
  display: block;
}

.nav-modern .dropdown-item.dropdown-toggle::after {
  margin-left: 0.5em;
}

.nav-modern .navbar-toggler {
  border: none;
  padding: 0.5rem;
  font-size: 1.1rem;
  color: #0F172A;
}

.nav-modern .navbar-toggler:focus {
  box-shadow: none;
}

/* ===== BOTÃO EAD — CTA destacado ===== */
.nav-cta {
  display: flex;
  align-items: center;
  margin-left: 0.5rem;
}

.nav-ead-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 1.1rem;
  background: linear-gradient(135deg, #0891B2 0%, #10B981 100%);
  color: #fff !important;
  font-weight: 700;
  font-size: 0.7rem;
  border-radius: 50px;
  text-decoration: none;
  letter-spacing: 0.04em;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.35);
  transition: all 0.25s ease;
}

.nav-ead-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(8, 145, 178, 0.45);
  color: #fff !important;
}

.nav-ead-btn:active {
  transform: translateY(0);
}

/* Scroll offset para conteúdo abaixo do nav fixo */
.nav-offset {
  padding-top: 80px;
}

/* Mobile navbar improvements */
@media (max-width: 991px) {
  .nav-modern .navbar-collapse {
    background: white;
    border-radius: 16px;
    padding: 1rem;
    margin-top: 0.5rem;
    box-shadow: 0 10px 40px rgba(8, 145, 178, 0.1);
    max-height: 80vh;
    overflow-y: auto;
  }

  .nav-modern .nav-link {
    font-size: 0.85rem !important;
    padding: 0.5rem 0.8rem !important;
    white-space: normal;
  }

  .nav-modern .nav-link::after { display: none; }

  .nav-modern .dropdown-menu {
    box-shadow: none;
    background: #f1f5f9;
    border-radius: 10px;
  }

  .nav-modern .dropdown-submenu .dropdown-menu {
    left: 0;
    top: 100%;
    position: relative;
    margin-top: 0.25rem;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .nav-ead-btn {
    justify-content: center;
    width: 100%;
    padding: 0.7rem 1.1rem;
    font-size: 0.8rem;
    min-height: 44px;
  }
}

@media (max-width: 576px) {
  .nav-modern .navbar-brand { font-size: 0.95rem; }
}