/* ==========================================================================
   Navbar Component
   Classes: header.php + main.js
   JS toggles: .navbar--scrolled (on scroll), .is-open (mobile menu + toggle),
               body.scroll-locked (via overflow)
   ========================================================================== */

/* ---------- Fixed Header Bar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: transparent;
  transition:
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

.navbar--scrolled {
  background-color: rgba(13, 13, 18, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-sm);
}

/* ---------- Inner Container ---------- */
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1rem;
}

/* ---------- Logo (swaps full ↔ compact on scroll) ---------- */
.navbar__logo {
  display: flex;
  align-items: flex-start;
  overflow: visible;
  padding-top: 2rem;
  transition:
    padding var(--transition-normal),
    align-items var(--transition-normal);
}

.navbar--scrolled .navbar__logo {
  align-items: center;
  padding-top: 0;
}

.navbar__logo-link {
  display: flex;
  align-items: center;
}

/* Full logo — visible by default (not scrolled) */
.navbar__logo-full {
  display: flex;
  align-items: center;
  transition: opacity var(--transition-normal);
}

.navbar__logo-full svg {
  height: 5rem;
  width: auto;
}

/* Compact logo — hidden by default, shown when scrolled */
.navbar__logo-compact {
  display: none;
  align-items: center;
  transition: opacity var(--transition-normal);
}

.navbar__logo-compact svg {
  height: 2rem;
  width: auto;
}

/* Swap on scroll */
.navbar--scrolled .navbar__logo-full {
  display: none;
}

.navbar--scrolled .navbar__logo-compact {
  display: flex;
}

/* ---------- Desktop Navigation ---------- */
.navbar__nav {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__nav {
    display: flex;
    align-items: center;
  }
}

.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

@media (min-width: 1280px) {
  .nav__list {
    gap: 2.5rem;
  }
}

.nav__item {
  display: flex;
  align-items: center;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link--active,
.nav__item--active .nav__link {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  padding: 0.5rem 1rem;
}

.nav__link--active:hover,
.nav__item--active .nav__link:hover {
  color: var(--color-primary);
}

/* ---------- Desktop Actions (CTA) ---------- */
.navbar__actions {
  display: none;
  align-items: center;
  justify-content: flex-end;
  width: 11.75rem;
  gap: 1rem;
}

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

/* ---------- Mobile Hamburger Toggle ---------- */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  gap: 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  background: none;
  padding: 0;
  transition: color var(--transition-fast);
}

.navbar__toggle:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

@media (min-width: 1024px) {
  .navbar__toggle {
    display: none;
  }
}

.navbar__toggle-line {
  display: block;
  width: 1.5rem;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition:
    transform var(--transition-slow),
    opacity var(--transition-slow);
  transform-origin: center;
}

/* Animate to X when mobile menu is open */
.navbar__toggle.is-open .navbar__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle.is-open .navbar__toggle-line:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.is-open .navbar__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Mobile Menu (full-screen overlay)
   ========================================================================== */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--transition-slow),
    opacity var(--transition-slow);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none !important;
  }
}

/* Open state — toggled by JS (.is-open) or BEM modifier (.mobile-menu--open) */
.mobile-menu.is-open,
.mobile-menu.mobile-menu--open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__nav {
  flex: 1;
  padding-top: 2.5rem;
}

.mobile-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.mobile-menu__item {
  width: 100%;
  text-align: center;
}

.mobile-menu__link {
  display: block;
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

.mobile-menu__link--active {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}

.mobile-menu__link--active:hover {
  color: var(--color-primary);
}

/* CTA button area at bottom of mobile menu */
.mobile-menu__cta {
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 1rem;
}

.mobile-menu__cta .btn-cta {
  flex: 1;
  justify-content: center;
}

/* ---------- Body scroll lock ---------- */
body.scroll-locked {
  overflow: hidden;
}