/* ============================================================
   MADHU MAKHI PALAN — Navigation
   ============================================================ */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: 1.25rem 0;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}

#navbar.nav-scrolled {
  background: rgba(26, 26, 26, 0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  padding: 0.85rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ── Brand ── */
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-hex {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-golden);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  font-size: 1.2rem;
  color: var(--color-black);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.nav-brand:hover .nav-logo-hex {
  transform: rotate(30deg) scale(1.08);
}

.nav-brand-text {
  line-height: 1.2;
}

.nav-brand-name {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: 0.01em;
}

.nav-brand-tagline {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-golden);
  font-weight: 500;
}

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

.nav-link {
  display: block;
  padding: 0.5em 0.9em;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 248, 231, 0.85);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0.9em;
  right: 0.9em;
  height: 2px;
  background: var(--color-golden);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-golden);
}

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

/* ── Nav CTA ── */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-cta .btn {
  padding: 0.55em 1.3em;
  font-size: var(--text-sm);
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(245, 166, 35, 0.12);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.hamburger:hover {
  background: rgba(245, 166, 35, 0.2);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-golden);
  border-radius: 2px;
  transition: var(--transition-base);
}

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

/* ── Mobile Menu ── */
.nav-mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(26, 26, 26, 0.98);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(245, 166, 35, 0.15);
}

.nav-mobile-menu.open {
  max-height: 420px;
}

.nav-mobile-inner {
  padding: var(--space-4) var(--container-px) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-mobile-link {
  display: block;
  padding: 0.75em 1em;
  font-size: var(--text-base);
  font-weight: 500;
  color: rgba(255, 248, 231, 0.85);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.nav-mobile-link:hover,
.nav-mobile-link.active {
  color: var(--color-golden);
  background: rgba(245, 166, 35, 0.08);
  border-left-color: var(--color-golden);
  padding-left: 1.25em;
}

.nav-mobile-cta {
  margin-top: var(--space-4);
}

.nav-mobile-cta .btn {
  width: 100%;
  justify-content: center;
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .hamburger { display: flex; }
}

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