/* ============================================================
   ICONIC Human Design Education, PMA — Desktop Navigation with Dropdowns
   Visible on screens ≥ 769px; hidden on mobile (mobile-nav handles that)
   ============================================================ */

/* ---- CSS Custom Properties (inherit site theme) ----------- */
.ico-desktop-header {
  --dn-bg:        rgba(10, 10, 15, 0.96);
  --dn-border:    rgba(99, 58, 133, 0.2);
  --dn-text:      #A89FA0;
  --dn-text-hover:#e8e3d5;
  --dn-gold:      #633a85;
  --dn-gold-light:#7B5EA7;
  --dn-teal:      #2a9eb0;
  --dn-dd-bg:     rgba(14, 14, 22, 0.97);
  --dn-dd-border: rgba(99, 58, 133, 0.25);
  --dn-active:    #a57cc7;
  --dn-height:    58px;
}

/* Light mode overrides */
[data-theme="light"] .ico-desktop-header {
  --dn-bg:        rgba(248, 245, 255, 0.97);
  --dn-border:    rgba(99, 58, 133, 0.18);
  --dn-text:      #5a4a6e;
  --dn-text-hover:#2d1f42;
  --dn-dd-bg:     rgba(252, 250, 255, 0.98);
  --dn-dd-border: rgba(99, 58, 133, 0.2);
  --dn-active:    #633a85;
}

/* ---- Header wrapper ---------------------------------------- */
.ico-desktop-header {
  display: none; /* hidden until JS activates on desktop */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  height: var(--dn-height);
  background: var(--dn-bg);
  border-bottom: 1px solid var(--dn-border);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  transform: translateZ(0);
  font-family: 'Barlow', sans-serif;
}

.ico-desktop-header.is-active {
  display: block;
}

/* ---- Inner layout ------------------------------------------ */
.ico-dn-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* ---- Logo --------------------------------------------------- */
.ico-dn-logo {
  font-family: 'Rubik', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dn-gold);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}
.ico-dn-logo span {
  color: var(--dn-text);
  font-weight: 400;
}
.ico-dn-logo:hover { color: var(--dn-gold-light); }

/* ---- Nav list ---------------------------------------------- */
.ico-dn-nav {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
  flex: 1;
  justify-content: center;
}

/* ---- Nav item (each dropdown parent) ----------------------- */
.ico-dn-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.ico-dn-trigger {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0 0.85rem;
  height: 100%;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dn-text);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  letter-spacing: 0.02em;
  transition: color 0.18s;
  white-space: nowrap;
  font-family: 'Barlow', sans-serif;
}

.ico-dn-trigger:hover,
.ico-dn-item.is-open .ico-dn-trigger {
  color: var(--dn-text-hover);
}

/* Chevron */
.ico-dn-chevron {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  transition: transform 0.22s ease;
  color: var(--dn-text);
  opacity: 0.7;
}
.ico-dn-item.is-open .ico-dn-chevron {
  transform: rotate(180deg);
}

/* Active page indicator on trigger */
.ico-dn-trigger.is-active-section {
  color: var(--dn-active);
}
.ico-dn-trigger.is-active-section .ico-dn-chevron {
  color: var(--dn-active);
}

/* ---- Dropdown panel ---------------------------------------- */
.ico-dn-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 220px;
  background: var(--dn-dd-bg);
  border: 1px solid var(--dn-dd-border);
  border-radius: 12px;
  padding: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(255,255,255,0.04) inset;
  z-index: 9100;
}

/* Last two items — push dropdown to the left so it doesn't clip viewport */
.ico-dn-item:nth-last-child(-n+2) .ico-dn-dropdown {
  left: auto;
  right: 0;
  transform: translateY(-6px);
}

.ico-dn-item.is-open .ico-dn-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.ico-dn-item:nth-last-child(-n+2).is-open .ico-dn-dropdown {
  transform: translateY(0);
}

/* Dropdown link */
.ico-dn-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--dn-text);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  font-family: 'Barlow', sans-serif;
}

.ico-dn-link:hover {
  background: rgba(99, 58, 133, 0.12);
  color: var(--dn-text-hover);
}

.ico-dn-link.is-current {
  color: var(--dn-active);
  background: rgba(99, 58, 133, 0.08);
}

.ico-dn-link.is-external::after {
  content: '↗';
  font-size: 0.7rem;
  opacity: 0.5;
  margin-left: auto;
}

.ico-dn-link.is-disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: default;
}

/* Dropdown divider */
.ico-dn-divider {
  height: 1px;
  background: var(--dn-dd-border);
  margin: 0.4rem 0.6rem;
}

/* Section label in dropdown */
.ico-dn-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dn-gold);
  padding: 0.5rem 0.85rem 0.2rem;
  opacity: 0.8;
}

/* ---- CTA button -------------------------------------------- */
.ico-dn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  background: linear-gradient(135deg, #633a85, #2a9eb0);
  color: #fff;
  font-family: 'Rubik', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.18s, transform 0.18s;
}
.ico-dn-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* Theme toggle button */
.ico-dn-theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--dn-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--dn-text);
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s;
}
.ico-dn-theme:hover {
  border-color: var(--dn-gold);
  color: var(--dn-text-hover);
}

/* ---- Body padding when header is active -------------------- */
body.has-desktop-nav {
  padding-top: var(--dn-height, 58px);
}

/* ---- Hide old inline nav elements when desktop nav active -- */
/* .ico-dn-nav-wrapper = the nav inside our injected desktop header — keep it visible */
body.has-desktop-nav nav:not(.ico-dn-nav-wrapper):not(.blog-nav):not(.mobile-nav-drawer):not(.bottom-nav),
body.has-desktop-nav header:not(.ico-desktop-header):not(.mobile-header) {
  display: none !important;
}

/* ---- Only show on desktop ---------------------------------- */
@media (max-width: 768px) {
  .ico-desktop-header,
  .ico-desktop-header.is-active {
    display: none !important;
  }

  body.has-desktop-nav {
    padding-top: 0 !important;
  }

  /* Don't hide navs on mobile — mobile-nav handles this */
  body.has-desktop-nav nav:not(.ico-dn-nav-wrapper):not(.blog-nav):not(.mobile-nav-drawer):not(.bottom-nav),
  body.has-desktop-nav header:not(.ico-desktop-header):not(.mobile-header) {
    display: unset !important;
  }
}

/* ---- Keyboard focus ring ----------------------------------- */
.ico-dn-trigger:focus-visible,
.ico-dn-link:focus-visible {
  outline: 2px solid var(--dn-gold);
  outline-offset: 2px;
}

/* ---- Subtle animation on dropdown items (stagger) ---------- */
.ico-dn-item.is-open .ico-dn-link {
  animation: ico-dn-fade-in 0.14s ease both;
}
@keyframes ico-dn-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0);   }
}