/* =====================================================
 * DecryptCode INC — Navigation
 * Command Bar, Mega Menu, Mobile Nav
 * Last Updated: February 21, 2026
 * ===================================================== */

/* ═══════════════════════════════════════════
 * COMMAND BAR (Main Navigation)
 * ═══════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.navbar--scrolled {
  background: rgba(11, 13, 20, 0.92);
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(129, 140, 248, 0.10);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* ── Logo ── */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.navbar__logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-primary);
}

.navbar__logo-text {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

/* ── Desktop Nav Links ── */
.navbar__links {
  display: none;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.navbar__link {
  position: relative;
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--text-primary);
}

/* Gradient underline on hover (desktop) */
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  transform: scaleX(1);
}

/* Active dot */
.navbar__link--active::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent-2);
  border-radius: var(--radius-full);
  box-shadow: 0 0 6px var(--accent-2-glow);
}

/* Dropdown arrow */
.navbar__link-arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.navbar__item--open .navbar__link-arrow {
  transform: rotate(180deg);
}

/* ── CTA Button ── */
.navbar__cta {
  display: none;
}

/* ── Mobile Toggle ── */
.navbar__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.navbar__toggle svg {
  width: 24px;
  height: 24px;
}

/* ═══════════════════════════════════════════
 * MEGA MENU (Services Dropdown)
 * ═══════════════════════════════════════════ */

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  min-width: 600px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.navbar__item--open .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.mega-menu__column-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.mega-menu__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mega-menu__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.mega-menu__link:hover {
  background: rgba(129, 140, 248, 0.08);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════
 * DROPDOWN (Industries)
 * ═══════════════════════════════════════════ */

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

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

.dropdown__list {
  list-style: none;
}

.dropdown__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.dropdown__link:hover {
  background: rgba(129, 140, 248, 0.08);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════
 * MOBILE NAV (Slide-in Panel)
 * ═══════════════════════════════════════════ */

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--bg-primary);
  border-left: 1px solid var(--border-default);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-nav--open {
  transform: translateX(0);
}

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text-primary);
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-nav__body {
  padding: var(--space-4);
  flex: 1;
}

.mobile-nav__section {
  margin-bottom: var(--space-6);
}

.mobile-nav__section-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.mobile-nav__list {
  list-style: none;
}

.mobile-nav__link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  color: var(--accent-2);
}

.mobile-nav__footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* Mobile nav overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ═══════════════════════════════════════════
 * RESPONSIVE
 * ═══════════════════════════════════════════ */

@media (min-width: 1024px) {
  .navbar__links {
    display: flex;
  }

  .navbar__cta {
    display: inline-flex;
  }

  .navbar__toggle {
    display: none;
  }

  .navbar__inner {
    padding-inline: var(--space-8);
  }
}