/* NAVBAR (dark, as in the mockup) */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--navbar-padding-y) var(--navbar-padding-x);
  background-color: var(--navbar-bg);
  border-bottom: 1px solid var(--color-border-dark);
  z-index: 9999;
}

.navbar-brand {
  display: flex;
  align-items: center;
  z-index: 10;
}

.navbar-brand a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.navbar-brand .brand-logo {
  height: 3.4rem;
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-on-dark);
  z-index: 10;
}

.navbar-toggle svg {
  width: 24px;
  height: 24px;
  display: block;
  transition: transform 0.3s ease;
}

.navbar-toggle.is-active svg {
  transform: rotate(90deg);
}

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-menu ul {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar-menu li {
  display: flex;
  align-items: center;
}

.navbar-menu a {
  color: var(--color-on-dark);
  font-size: 0.78rem;
  font-weight: var(--font-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-sm) 0.6rem;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width 0.25s ease;
}

.navbar-menu a:hover {
  color: var(--navbar-link-hover);
}

.navbar-menu a:hover::after,
.navbar-menu li.active > a::after {
  width: calc(100% - 1.2rem);
}

.navbar-menu li.active > a {
  font-weight: var(--font-bold);
}

/* CTA buttons (same motion language as .btn in style.css: lift, shadow, sheen, press) */
.navbar-menu li.nav-cta > a,
.navbar-menu li.nav-cta-aula > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 999px;
  font-weight: var(--font-semibold);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.25s ease, background-color 0.25s ease, background-position 0.5s ease, color 0.2s ease;
}

/* The underline pseudo-element becomes a sliding sheen on the CTAs */
.navbar-menu li.nav-cta > a::after,
.navbar-menu li.nav-cta-aula > a::after,
.navbar-menu li.nav-cta > a:hover::after,
.navbar-menu li.nav-cta-aula > a:hover::after {
  inset: 0;
  left: 0;
  bottom: auto;
  width: 100%;
  height: 100%;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.26) 50%, transparent 65%);
  transform: none;
  translate: -130% 0;
  transition: translate 0.7s ease;
  pointer-events: none;
}

.navbar-menu li.nav-cta > a:hover::after,
.navbar-menu li.nav-cta-aula > a:hover::after,
.navbar-menu li.nav-cta > a:focus-visible::after,
.navbar-menu li.nav-cta-aula > a:focus-visible::after {
  translate: 130% 0;
}

.navbar-menu li.nav-cta {
  margin-left: var(--space-sm);
}

/* Gradient CTA: darkened gradient, white text (AA) */
.navbar-menu li.nav-cta > a {
  background: var(--gradient-brand-strong);
  background-size: 140% 100%;
  background-position: 0% 50%;
  color: #ffffff;
  box-shadow: 0 4px 14px -6px rgba(209, 51, 10, 0.6);
}

.navbar-menu li.nav-cta > a:hover,
.navbar-menu li.nav-cta > a:focus-visible {
  color: #ffffff;
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(0, 121, 123, 0.8);
}

/* Aula SENCE: outlined pill next to the CTA */
.navbar-menu li.nav-cta-aula > a {
  border: 1px solid var(--color-brand-amber);
  color: #ffffff;
}

.navbar-menu li.nav-cta-aula > a:hover,
.navbar-menu li.nav-cta-aula > a:focus-visible {
  background-color: rgba(253, 159, 12, 0.14);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -10px rgba(253, 159, 12, 0.55);
}

.navbar-menu li.nav-cta > a:active,
.navbar-menu li.nav-cta-aula > a:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.08s;
}

.navbar-menu a:focus-visible {
  outline: 2px solid var(--color-brand-amber);
  outline-offset: 3px;
  border-radius: 4px;
}

.navbar-menu li.nav-cta > a:focus-visible,
.navbar-menu li.nav-cta-aula > a:focus-visible {
  border-radius: 999px;
}

@media (prefers-reduced-motion: reduce) {
  .navbar-menu a,
  .navbar-menu li.nav-cta > a,
  .navbar-menu li.nav-cta-aula > a {
    transition: none;
  }

  .navbar-menu li.nav-cta > a:hover,
  .navbar-menu li.nav-cta-aula > a:hover,
  .navbar-menu li.nav-cta > a:active,
  .navbar-menu li.nav-cta-aula > a:active {
    transform: none;
  }

  .navbar-menu li.nav-cta > a::after,
  .navbar-menu li.nav-cta-aula > a::after {
    display: none;
  }
}

/* Responsive adjustments */
@media (max-width: 1280px) {
  .navbar {
    --navbar-padding-x: var(--space-lg);
  }

  .navbar-menu a {
    padding-inline: 0.45rem;
    font-size: 0.74rem;
  }

  .navbar-menu li.nav-cta > a,
  .navbar-menu li.nav-cta-aula > a {
    padding-inline: var(--space-md);
  }
}

@media (max-width: 1100px) {
  .navbar {
    height: auto;
    min-height: var(--navbar-height);
    padding: var(--navbar-padding-y) var(--space-md);
    flex-wrap: wrap;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-menu {
    display: none;
    width: 100%;
    order: 3;
    padding: var(--space-md) 0 var(--space-lg);
    border-top: 1px solid var(--color-border-dark);
    max-height: calc(100vh - var(--navbar-height));
    overflow-y: auto;
  }

  .navbar-menu.is-active {
    display: flex;
  }

  .navbar-menu ul {
    flex-direction: column;
    width: 100%;
    gap: var(--space-sm);
    align-items: center;
  }

  .navbar-menu li {
    width: 100%;
    justify-content: center;
  }

  .navbar-menu a {
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-md);
  }

  .navbar-menu a::after {
    bottom: 2px;
  }

  .navbar-menu li.nav-cta {
    margin-left: 0;
    margin-top: var(--space-sm);
  }

  .navbar-menu li.nav-cta > a,
  .navbar-menu li.nav-cta-aula > a {
    width: min(100%, 20rem);
  }
}

@media (max-width: 640px) {
  .navbar-brand .brand-logo {
    height: 2.5rem;
  }
}

/* Logged-in admin bar offsets the fixed navbar */
.admin-bar .navbar {
  top: 32px;
}

@media (max-width: 782px) {
  .admin-bar .navbar {
    top: 46px;
  }
}