/* ==========================================================================
   BATHHUB - NAVBAR & HEADER NAVIGATION STYLES
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.4rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}

/* Scrolled state with glassmorphism */
.navbar.scrolled {
  padding: 0.9rem 0;
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- LOGO STYLING --- */
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  z-index: 1002;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
  line-height: 1;
}

.logo-accent {
  color: var(--color-gold);
  text-shadow: 0 0 15px rgba(201, 168, 76, 0.4);
}

.logo-sub {
  font-family: var(--font-badge);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-silver);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* --- NAV LINKS --- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-family: var(--font-badge);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 0.4rem 0;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-gold);
}

.nav-cta {
  padding: 0.65rem 1.6rem;
  font-size: 0.85rem;
}

/* --- MOBILE HAMBURGER BUTTON --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1002;
  padding: 0;
}

.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: #FFFFFF;
  border-radius: 4px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
  background: var(--color-gold);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
  background: var(--color-gold);
}

/* --- MOBILE MENU OVERLAY --- */
@media (max-width: 991px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: radial-gradient(circle at top right, #252542 0%, #1A1A2E 60%, #0D0D1A 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 1001;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.45s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.4s ease, visibility 0.4s;
    padding: 3rem 2rem;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.35rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s;
  }

  .nav-links.open .nav-link {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links.open .nav-link:nth-child(1) { transition-delay: 0.1s; }
  .nav-links.open .nav-link:nth-child(2) { transition-delay: 0.18s; }
  .nav-links.open .nav-link:nth-child(3) { transition-delay: 0.26s; }
  .nav-links.open .nav-link:nth-child(4) { transition-delay: 0.34s; }
  .nav-links.open .nav-cta {
    transition-delay: 0.42s;
    font-size: 1.05rem;
    padding: 0.85rem 2.2rem;
  }
}