/* ═══════════════════════════════════════════════════════════════
   NEXUS DIJI - MEGA MENU STYLES
   Dropdown and mega menu navigation system
   ═══════════════════════════════════════════════════════════════ */

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

/* Dropdown Trigger */
.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.dropdown-trigger::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-trigger::after,
.nav-dropdown.open .dropdown-trigger::after {
  transform: rotate(180deg);
}

/* Simple Dropdown (for About menu) */
.simple-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .simple-dropdown,
.nav-dropdown.open .simple-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.simple-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.simple-dropdown a:hover {
  background: rgba(67, 97, 238, 0.08);
  color: var(--text);
}

.simple-dropdown a svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* Mega Menu (for Services menu) */
.mega-menu {
  --mega-shift-x: 0px;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(calc(-50% + var(--mega-shift-x))) translateY(-10px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
  width: min(1080px, calc(100vw - 2rem));
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--z-dropdown);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.nav-dropdown:hover .mega-menu,
.nav-dropdown.open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(calc(-50% + var(--mega-shift-x))) translateY(0);
}

/* Mega Menu Card */
.mega-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  text-decoration: none;
  min-width: 0;
  height: auto;
  white-space: normal;
}

.mega-card:hover {
  background: rgba(67, 97, 238, 0.06);
}

.mega-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(67, 97, 238, 0.1);
  border: 1px solid rgba(67, 97, 238, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.mega-card:hover .mega-card__icon {
  background: var(--grad);
  border-color: transparent;
  transform: scale(1.05);
}

.mega-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  transition: color var(--transition-fast);
}

.mega-card:hover .mega-card__icon svg {
  color: #fff;
}

.mega-card__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  white-space: normal;
}

.mega-card__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  white-space: normal;
}

.mega-card__desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

/* Mega Menu Aside (branding area) */
.mega-menu__aside {
  grid-column: span 3;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
  min-width: 0;
}

.mega-aside {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.08), rgba(124, 58, 237, 0.05));
  border-radius: var(--radius-lg);
}

.mega-aside__logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.mega-aside__quote {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  font-style: italic;
}

/* Arrow indicator for mega menu */
.mega-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: calc(50% - var(--mega-shift-x));
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid var(--surface);
}

.mega-menu::after {
  content: '';
  position: absolute;
  top: -10px;
  left: calc(50% - var(--mega-shift-x));
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-bottom: 12px solid var(--border);
}

/* Mobile Dropdown */
.mobile-dropdown {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 1rem;
}

.mobile-dropdown.open {
  display: flex;
}

.mobile-dropdown a {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition-fast);
}

.mobile-dropdown a:hover {
  color: var(--accent);
}

.mobile-dropdown a svg {
  width: 18px;
  height: 18px;
}

/* Dropdown Arrow for Mobile */
.dropdown-arrow {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.nav-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

/* Hover Intent Prevention */
.nav-dropdown * {
  pointer-events: auto;
}

/* Prevent click-through on desktop (1024px+) */
@media (min-width: 1024px) {
  .nav-dropdown > .simple-dropdown,
  .nav-dropdown > .mega-menu {
    pointer-events: none;
  }

  .nav-dropdown:hover > .simple-dropdown,
  .nav-dropdown:hover > .mega-menu,
  .nav-dropdown.open > .simple-dropdown,
  .nav-dropdown.open > .mega-menu {
    pointer-events: auto;
  }
}

/* Touch device support (only for desktop-width touch devices, 1024px+) */
@media (hover: none) and (pointer: coarse) and (min-width: 1024px) {
  .simple-dropdown,
  .mega-menu {
    pointer-events: auto;
  }

  .nav-dropdown.open > .simple-dropdown,
  .nav-dropdown.open > .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0.5rem 1rem;
    min-width: auto;
    width: auto;
    background: transparent;
  }

  .mega-menu {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .mega-card {
    padding: 0.5rem 0;
    border-radius: var(--radius-sm);
  }

  .mega-card__icon {
    width: 32px;
    height: 32px;
  }

  .mega-card__icon svg {
    width: 18px;
    height: 18px;
  }

  .mega-menu__aside {
    display: none;
  }

  .mega-menu::before,
  .mega-menu::after {
    display: none;
  }

  .dropdown-trigger::after {
    display: none;
  }
}

/* Responsive adjustments for mega menu (1024px and above only) */
@media (min-width: 1024px) {
  @media (max-width: 1100px) {
    .mega-menu {
      min-width: 500px;
    }
  }

  @media (max-width: 950px) {
    .mega-menu {
      min-width: 400px;
      grid-template-columns: repeat(2, 1fr);
    }

    .mega-menu__aside {
      grid-column: span 2;
    }
  }
}