/* ============================================================
   NAVBAR.CSS
   ============================================================ */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--duration-normal), backdrop-filter var(--duration-normal), box-shadow var(--duration-normal);
}

#navbar.navbar-scrolled {
  background: rgba(7, 7, 15, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #fff;
  box-shadow: var(--shadow-purple);
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.5s;
}

.nav-logo:hover .logo-mark::after { transform: rotate(45deg) translateX(100%); }

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--primary-light);
}

/* ── Search Bar ───────────────────────────────────────────── */
.nav-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.nav-search-input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.75rem;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--duration-fast);
  min-height: 42px;
}

.nav-search-input:focus {
  outline: none;
  background: rgba(255,255,255,0.08);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.nav-search-input::placeholder { color: var(--text-muted); }

.nav-search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--duration-fast);
}

.nav-search:focus-within .nav-search-icon { color: var(--primary-light); }

/* ── Nav Links ────────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
  white-space: nowrap;
}

.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

/* ── Cart Button ──────────────────────────────────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

#cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}

#cart-btn:hover {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 0 16px var(--primary-glow);
}

#cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-base);
}

/* ── Hamburger ────────────────────────────────────────────── */
#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.08);
  transition: all var(--duration-fast);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-smooth);
  transform-origin: center;
}

#hamburger.is-active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.is-active .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#hamburger.is-active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ──────────────────────────────────────────── */
#mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(7, 7, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transform: translateY(-110%);
  transition: transform var(--duration-normal) var(--ease-smooth);
  z-index: 999;
}

#mobile-menu.mobile-menu-open { transform: translateY(0); }

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.mobile-nav-link {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}

.mobile-nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.mobile-search {
  position: relative;
  margin-bottom: var(--space-md);
}

.mobile-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.95rem;
  min-height: 48px;
}

.mobile-search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.mobile-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-search { max-width: 280px; }
}

@media (max-width: 640px) {
  .nav-search { display: none; }
  #hamburger  { display: flex; }
}