/* Icon-led, section-aware public landing navigation. */
.landing-shell {
  overflow-x: clip;
}
.landing-nav {
  min-height: 78px;
  gap: 24px;
  transition:
    min-height 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.landing-nav.is-scrolled {
  min-height: 70px;
  border-bottom-color: #ccd5e2;
  box-shadow: 0 9px 28px rgba(24, 35, 59, 0.12);
}

.landing-brand {
  transition: transform 160ms ease, color 160ms ease;
}

.landing-brand:hover {
  transform: translateY(-1px);
  color: #2c3650;
}

.landing-nav-links {
  gap: 6px;
}

.landing-nav-links button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 11px;
  border-radius: 7px;
  transition:
    color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.landing-nav-links button::after {
  right: 11px;
  bottom: 3px;
  left: 11px;
  height: 2px;
  border-radius: 2px;
}

.landing-nav-icon,
.landing-nav-action-icon,
.landing-nav-menu-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 160ms ease;
}

.landing-nav-links button:nth-child(1) .landing-nav-icon {
  color: #5f4ed5;
}

.landing-nav-links button:nth-child(2) .landing-nav-icon {
  color: #bf6b0a;
}

.landing-nav-links button:nth-child(3) .landing-nav-icon {
  color: #0e866f;
}

.landing-nav-links button:nth-child(4) .landing-nav-icon {
  color: #b23859;
}

.landing-nav-links button:hover,
.landing-nav-links button.is-current {
  background: #f4f2ff;
  color: #4032a5;
}

.landing-nav-links button.is-current {
  box-shadow: inset 0 0 0 1px #ddd8ff;
}

.landing-nav-links button:hover .landing-nav-icon,
.landing-nav-links button.is-current .landing-nav-icon {
  transform: translateY(-1px) scale(1.08);
}

.landing-nav-links button.is-current::after {
  transform: scaleX(1);
}

.landing-nav-actions .landing-button {
  gap: 8px;
}

.landing-nav-actions .landing-button.secondary .landing-nav-action-icon {
  color: #4f5c73;
}

.landing-nav-actions .landing-button.primary .landing-nav-action-icon {
  transition: transform 160ms ease;
}

.landing-nav-actions .landing-button.primary:hover .landing-nav-action-icon {
  transform: translateX(3px);
}

.landing-nav-menu-toggle,
.landing-mobile-menu {
  display: none;
}

.landing-shell #landingWorkflow,
.landing-shell #landingSynny,
.landing-shell #landingTeachers,
.landing-shell #landingStandards {
  scroll-margin-top: 92px;
}

@media (max-width: 1120px) and (min-width: 981px) {
  .landing-nav {
    gap: 14px;
    padding-inline: 20px;
  }

  .landing-nav-links button {
    gap: 6px;
    padding-inline: 8px;
    font-size: 14px;
  }

  .landing-nav-links button::after {
    right: 8px;
    left: 8px;
  }

  .landing-nav-actions .landing-button {
    padding-inline: 14px;
  }
}

@media (max-width: 980px) {
  .landing-nav {
    position: sticky;
    grid-template-columns: auto 1fr auto;
    min-height: 72px;
    padding-inline: 18px;
  }

  .landing-nav.is-scrolled {
    min-height: 66px;
  }

  .landing-nav-menu-toggle {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid #d1d9e6;
    border-radius: 7px;
    background: #fff;
    color: #344057;
    cursor: pointer;
    transition:
      transform 160ms ease,
      border-color 160ms ease,
      background-color 160ms ease,
      color 160ms ease;
  }

  .landing-nav-menu-toggle:hover,
  .landing-nav-menu-toggle[aria-expanded="true"] {
    border-color: #a99eff;
    background: #f2f0ff;
    color: #4c3bb9;
  }

  .landing-nav-menu-toggle:hover .landing-nav-menu-icon {
    transform: scale(1.08);
  }

  .landing-mobile-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 18px;
    left: 18px;
    z-index: 40;
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    border: 1px solid #d6deea;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 20px 48px rgba(22, 32, 54, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 160ms ease,
      visibility 160ms ease,
      transform 160ms ease;
  }

  .landing-nav.is-menu-open .landing-mobile-menu {
    display: grid;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .landing-mobile-menu button {
    min-width: 0;
    min-height: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: #f7f8fb;
    color: #303d55;
    font: inherit;
    font-size: 15px;
    font-weight: 720;
    text-align: left;
    cursor: pointer;
    transition:
      border-color 150ms ease,
      background-color 150ms ease,
      color 150ms ease,
      transform 150ms ease;
  }

  .landing-mobile-menu button:hover,
  .landing-mobile-menu button.is-current {
    border-color: #d5cffd;
    background: #f1efff;
    color: #4335aa;
    transform: translateY(-1px);
  }

  .landing-mobile-menu button:nth-child(2) .landing-nav-icon {
    color: #ad6008;
  }

  .landing-mobile-menu button:nth-child(3) .landing-nav-icon {
    color: #0b7b67;
  }

  .landing-mobile-menu button:nth-child(4) .landing-nav-icon {
    color: #a83252;
  }

  .landing-mobile-menu button:focus-visible,
  .landing-nav-menu-toggle:focus-visible {
    outline: 3px solid rgba(103, 86, 232, 0.28);
    outline-offset: 3px;
  }
}

@media (max-width: 720px) {
  .landing-nav {
    min-height: 68px;
    padding-inline: 14px;
  }

  .landing-nav.is-scrolled {
    min-height: 64px;
  }

  .landing-nav-actions {
    gap: 8px;
  }

  .landing-nav-actions .landing-button.primary {
    min-height: 44px;
  }

  .landing-mobile-menu {
    right: 12px;
    left: 12px;
    grid-template-columns: 1fr;
  }

  .landing-mobile-menu button {
    min-height: 48px;
  }
}

@media (max-width: 430px) {
  .landing-nav-actions .landing-button.primary .landing-nav-action-icon {
    display: none;
  }

  .landing-nav-actions .landing-button.primary {
    padding-inline: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-nav,
  .landing-brand,
  .landing-nav-links button,
  .landing-nav-icon,
  .landing-nav-action-icon,
  .landing-nav-menu-toggle,
  .landing-nav-menu-icon,
  .landing-mobile-menu,
  .landing-mobile-menu button {
    transition: none;
  }
}