/* ================= PREMIUM HEADER CSS ================= */
.ultra-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  z-index: 9999;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Glassmorphism Scrolled State */
.ultra-header.is-scrolled {
  height: 80px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

/* Dual Logo Logic */
.header-brand {
  position: relative;
  display: flex;
  align-items: center;
}
.header-brand img {
  max-height: 40px;
  transition: opacity 0.4s ease;
}
.logo-dark {
  position: absolute;
  left: 0;
  opacity: 0;
  visibility: hidden;
}
.ultra-header.is-scrolled .logo-light {
  opacity: 0;
  visibility: hidden;
}
.ultra-header.is-scrolled .logo-dark {
  opacity: 1;
  visibility: visible;
}

/* Nav Links */
.header-nav .nav-list {
  list-style: none;
  gap: 40px;
}
.header-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  padding: 10px 0;
  position: relative;
  transition: color 0.3s ease;
}
.ultra-header.is-scrolled .nav-link {
  color: var(--text);
}

/* Elegant Dot Indicator on Hover */
.header-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 6px;
  height: 6px;
  background: var(--gradient);
  border-radius: 50%;
  transform: translate(-50%, 10px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.header-nav .nav-link:hover::after {
  transform: translate(-50%, 0);
  opacity: 1;
}

/* Dropdown */
.dropdown-arrow {
  transition: transform 0.3s ease;
}
.has-dropdown:hover .dropdown-arrow {
  transform: rotate(-180deg);
}
.has-dropdown {
  position: relative;
}
.dropdown-glass-wrapper {
  position: absolute;
  top: 100%;
  left: -20px;
  padding-top: 35px; /* Invisible bridge */
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.has-dropdown:hover .dropdown-glass-wrapper {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Premium Card Dropdown */
.dropdown-menu {
  background: var(--white);
  min-width: 280px;
  list-style: none;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0,0,0,0.03);
}
.dropdown-menu a {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 10px;
  transition: all 0.3s ease;
}
.dropdown-menu a:hover {
  color: var(--primary);
  background: var(--background-light);
  transform: translateX(5px);
}

/* Glowing CTA Button */
.btn-glow {
  position: relative;
  display: inline-flex;
  padding: 14px 32px;
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
  border-radius: 50px;
  background: transparent;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all 0.4s ease;
}
.btn-glow span {
  position: relative;
  z-index: 2;
}
.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.btn-glow:hover {
  border-color: transparent;
  box-shadow: 0 10px 20px rgba(233, 30, 99, 0.2);
}
.btn-glow:hover::before {
  opacity: 1;
}

.ultra-header.is-scrolled .btn-glow {
  color: var(--white);
  border-color: transparent;
}
.ultra-header.is-scrolled .btn-glow::before {
  opacity: 1;
}
.ultra-header.is-scrolled .btn-glow:hover {
  box-shadow: 0 10px 25px rgba(233, 30, 99, 0.3);
  transform: translateY(-2px);
}