/* ============================================================
   NAVBAR COMPONENT
   Reusable across all pages. Sticky with scroll effect.
   ============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--duration-base) var(--ease-out);
}

/* Transparent on top */
.navbar--transparent {
  background: transparent;
  border-bottom: 1px solid transparent;
}

/* Scrolled state */
.navbar--scrolled {
  background: rgba(14, 12, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: color var(--duration-fast);
}

.navbar__logo:hover { color: var(--color-accent); }

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  line-height: 1;
  box-shadow: 0 0 20px rgba(200,51,10,0.4);
}

/* Nav Links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  transition: width var(--duration-base) var(--ease-out);
}

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

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 60%;
}

/* Right Actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Cart Icon */
.navbar__cart {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
  cursor: pointer;
}

.navbar__cart:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.navbar__cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-bg);
  opacity: 0;
  transform: scale(0);
  transition: all var(--duration-base) var(--ease-out);
}

.navbar__cart-count.has-items {
  opacity: 1;
  transform: scale(1);
}

/* Hamburger Menu (Mobile) */
.navbar__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.navbar__menu-toggle:hover { border-color: var(--color-accent); }

.navbar__menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--duration-base) var(--ease-out);
}

/* Hamburger → X */
.navbar__menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__menu-toggle.open span:nth-child(2) { opacity: 0; }
.navbar__menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.navbar__mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  gap: var(--space-2);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  z-index: 999;
  border-top: 1px solid var(--color-border);
}

.navbar__mobile-menu.open { transform: translateX(0); }

.navbar__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-style: italic;
  color: var(--color-text-muted);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--duration-fast);
}

.navbar__mobile-link:hover { color: var(--color-accent); }

.navbar__mobile-cta {
  margin-top: var(--space-8);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .navbar__links { display: none; }
  .navbar__menu-toggle { display: flex; }
}

@media (max-width: 640px) {
  .navbar__actions .btn { display: none; }
}