/* Nav dropdowns + readable white header */

/* Always-readable header bar */
nav {
  background: #ffffff !important;
  border-bottom: 1px solid #E2E8F0 !important;
  overflow: visible !important;
  z-index: 2000 !important;
}

.nav-inner,
.nav-links {
  overflow: visible !important;
}

.nav-logo,
.nav-logo span {
  color: #0F172A !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-item.has-dropdown {
  position: relative;
  list-style: none;
  flex: 0 0 auto;
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  margin: 0;
  border: none;
  background: transparent;
  color: #0F172A !important;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.2;
  cursor: pointer;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-trigger:hover,
.nav-trigger:focus-visible,
.nav-trigger[aria-expanded="true"] {
  color: #2563EB !important;
  background: #EFF6FF;
}

.nav-chevron {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.85;
  transition: transform 0.15s ease;
}

.nav-trigger[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}

/* Closed by default */
.nav-dropdown,
.nav-dropdown[hidden] {
  display: none !important;
}

/* Open only with .is-open */
.nav-item.has-dropdown.is-open > .nav-dropdown,
.nav-item.has-dropdown.is-open > .nav-dropdown:not([hidden]) {
  display: block !important;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 3000;
  min-width: 220px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.18);
  animation: navDropIn 0.16s ease;
}

@keyframes navDropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-dropdown a {
  display: block !important;
  width: 100%;
  padding: 10px 12px !important;
  margin: 0;
  border: none !important;
  border-radius: 8px;
  color: #0F172A !important;
  font-size: 0.9rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  white-space: nowrap;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  color: #2563EB !important;
  background: #EFF6FF;
}

.nav-cta .btn-outline {
  color: #0F172A !important;
  border-color: #E2E8F0 !important;
  background: #ffffff !important;
}

.nav-cta .theme-toggle-btn,
.nav-cta .theme-switcher {
  color: #0F172A;
}

@media (max-width: 768px) {
  .nav-links {
    background: #ffffff !important;
  }

  .nav-item.has-dropdown {
    width: 100%;
    position: static;
  }

  .nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
    border-radius: 0;
    border-bottom: 1px solid #E2E8F0;
  }

  .nav-item.has-dropdown.is-open > .nav-dropdown,
  .nav-item.has-dropdown.is-open > .nav-dropdown:not([hidden]) {
    position: static !important;
    min-width: 0;
    width: 100%;
    box-shadow: none;
    border: none;
    background: transparent;
    animation: none;
    padding: 4px 0 10px 12px;
  }

  .nav-dropdown a {
    white-space: normal;
    color: #334155 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-item.has-dropdown.is-open > .nav-dropdown {
    animation: none;
  }
}