/* ============================================
   GSAP OVERLAY MENU — Codegrid Style
   Adapted to existing clean design system
   ============================================ */

/* Nav Toggler (Burger) — in header flow */
.nav-toggler {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav-toggler span {
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--color-text);
  transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  transform-origin: center;
}

/* Open state — X animation, always white on dark overlay */
.nav-toggler.open span:first-child {
  transform: translateY(4px) rotate(45deg);
  background-color: #fff !important;
}

.nav-toggler.open span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
  background-color: #fff !important;
}

/* Also target via body state in case specificity issues */
body.nav-overlay-open .nav-toggler span {
  background-color: #fff !important;
}

body.nav-overlay-open .header .logo,
body.nav-overlay-open .mobile-header-bar .logo {
  color: #fff !important;
}

/* Toggler visibility handled by parent containers */

/* ============================================
   OVERLAY CONTAINER
   ============================================ */

.nav-overlay-content {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  pointer-events: none;
  z-index: 100003;
}

.nav-overlay-content.is-open {
  pointer-events: auto;
}

/* Background panels — staggered reveal */
.nav-overlay-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  will-change: transform;
}

.nav-overlay-bg:nth-child(1) {
  background-color: var(--color-accent-soft);
}

.nav-overlay-bg:nth-child(2) {
  background-color: #1a1a1a;
}

.nav-overlay-bg:nth-child(3) {
  background-color: #222;
}

.nav-overlay-bg:nth-child(4) {
  background-color: #111;
}

/* ============================================
   NAV ITEMS CONTAINER
   ============================================ */

.nav-overlay-items {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 5rem var(--padding) 2rem;
  height: 100%;
  clip-path: polygon(0% 0%, 100% 0%, 100% 0%, 0% 0%);
  will-change: clip-path;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-overlay-col--secondary {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
}

.nav-overlay-col--primary {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ============================================
   LINKS
   ============================================ */

.nav-overlay-items a {
  text-decoration: none;
  color: #fff;
  display: block;
  line-height: 1.3;
  overflow: hidden;
  font-family: var(--font-family-sans);
}

.nav-overlay-items a .line-inner {
  display: block;
  transform: translateY(105%);
  will-change: transform;
}

/* Primary links — large */
.nav-overlay-primary-links a {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

.nav-overlay-primary-links a:hover {
  color: var(--color-accent);
}

.nav-overlay-primary-links a[aria-current] {
  color: var(--color-accent);
}

/* CTA link in overlay — same size as primary links */
.nav-overlay-primary-links a.nav-overlay-cta {
  color: #fff;
}

.nav-overlay-primary-links a.nav-overlay-cta[aria-current] {
  color: var(--color-accent);
}

.nav-overlay-primary-links a.nav-overlay-cta:hover {
  color: var(--color-accent);
}

/* Socials */
.nav-overlay-socials {
  display: flex;
  gap: 1rem;
}

.nav-overlay-socials a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.nav-overlay-socials a:hover {
  color: #fff;
}

/* Legal */
.nav-overlay-legal {
  display: flex;
  gap: 1rem;
}

.nav-overlay-legal a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.nav-overlay-legal a:hover {
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   MOBILE ADJUSTMENTS
   ============================================ */

@media screen and (max-width: 768px) {
  .nav-overlay-items {
    justify-content: flex-start;
    padding: 5rem 1.25rem 1.5rem;
  }

  .nav-overlay-col--secondary {
    margin-top: auto;
  }

  .nav-overlay-primary-links a {
    font-size: clamp(1.5rem, 8vw, 2rem);
  }
}

/* ============================================
   DESKTOP — toggler is always visible (fixed position)
   ============================================ */

/* ============================================
   BODY LOCK WHEN MENU IS OPEN
   ============================================ */

body.nav-overlay-open {
  overflow: hidden;
}

/* Header becomes fixed overlay bar when menu is open */
body.nav-overlay-open .header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 100010 !important;
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  margin: 0 !important;
  padding: 0.75rem var(--padding, 1.25rem) !important;
  transform: none !important;
}

body.nav-overlay-open .header .logo {
  color: #fff !important;
}

body.nav-overlay-open .header .nav-toggler span {
  background-color: #fff !important;
}

/* Mobile: header bar becomes overlay bar */
@media screen and (max-width: 768px) {
  body.nav-overlay-open .mobile-header-bar {
    z-index: 100010 !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transform: translateY(0) !important;
  }

  body.nav-overlay-open .mobile-header-bar .logo {
    color: #fff !important;
  }

  body.nav-overlay-open .mobile-header-bar .nav-toggler span {
    background-color: #fff !important;
  }
}

/* Remove header background when overlay is open */
body.nav-overlay-open .header.is-scrolled {
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
}