header#mainHeader,
header#mainHeader *,
header#mainHeader *::before,
header#mainHeader *::after {
  box-sizing: border-box;
}

header#mainHeader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}


header#mainHeader.scrolled {
  background: rgba(10, 18, 32, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.8rem 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

header#mainHeader .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

header#mainHeader .logo > *:not(:last-child) {
  margin-right: 0.8rem;
}

header#mainHeader .logo-icon:empty,
header#mainHeader .logo-icon-img:not([src]), 
header#mainHeader .logo-icon-img[src=""] {
  display: none !important;
}

header#mainHeader .logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 2px 4px rgba(244, 208, 63, 0.4));
  display: flex;
  align-items: center;
}

header#mainHeader .logo-icon-img {
  width: 50px;
  height: 50px;
  border-radius: 0;
  background-color: transparent;
  padding: 0;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(244, 208, 63, 0.55));
  display: block;
  transition: filter 0.3s ease, transform 0.3s ease;
}

header#mainHeader .logo:hover .logo-icon-img {
  filter: drop-shadow(0 0 16px rgba(244, 208, 63, 0.8));
  transform: scale(1.05);
}

header#mainHeader .logo span {
  font-family: 'Merriweather', serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #f4d03f 0%, #ffe993 50%, #d4af37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: goldShimmer 6s linear infinite;
  text-shadow: 0 4px 20px rgba(244, 208, 63, 0.15);
}

header#mainHeader .logo-amp {
  font-style: italic;
}

header#mainHeader .navbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
  justify-content: flex-end;
  position: static;
  background: transparent;
  padding: 0;
  width: auto;
}

header#mainHeader .mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 1001;
}


header#mainHeader .nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
}

header#mainHeader .nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #e2e8f0;
  text-decoration: none;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding-bottom: 4px;
}

header#mainHeader .nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #f4d03f;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

header#mainHeader .nav-links a:hover::after,
header#mainHeader .nav-links a.active::after {
  width: 100%;
}

header#mainHeader .nav-links a:hover,
header#mainHeader .nav-links a.active {
  color: #fff;
  text-decoration: none;
}

header#mainHeader .search-bar {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  padding: 4px 4px 4px 16px;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 0;
}

header#mainHeader .search-bar:focus-within {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(244, 208, 63, 0.4);
  box-shadow: 0 0 0 3px rgba(244, 208, 63, 0.15);
}

header#mainHeader .search-icon {
  display: flex;
  align-items: center;
  font-size: 1rem;
  line-height: 1;
  opacity: 0.7;
  color: #fff;
}

header#mainHeader .search-icon i {
  font-size: 1rem;
  line-height: 1;
  color: #fff;
}

header#mainHeader .search-bar input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  padding: 8px;
  width: 140px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

header#mainHeader .search-bar input.expanded {
  width: 220px;
}

header#mainHeader .search-bar input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

header#mainHeader .search-bar button {
  background: #f4d03f;
  color: #0a1220;
  border: none;
  padding: 8px 16px;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

header#mainHeader .search-bar button:hover {
  background: #e0bb30;
}

@media (max-width: 768px) {
  header#mainHeader .mobile-menu-btn {
    display: block;
  }

  header#mainHeader .navbar {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    overflow: hidden;
    background: rgba(10, 18, 32, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transition: height 0.4s ease;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    padding: 0;
    z-index: -1;
  }

  header#mainHeader .navbar.active {
    height: 100vh;
  }

  header#mainHeader .nav-links {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  header#mainHeader .nav-links a {
    font-size: 1.4rem;
    letter-spacing: 1px;
  }

  header#mainHeader .search-bar {
    width: 85%;
    max-width: 320px;
    padding: 6px 6px 6px 20px;
  }

  header#mainHeader .search-bar input {
    width: 100%;
    font-size: 1.1rem;
  }
}

/* goldShimmer Keyframe Animation */
@keyframes goldShimmer {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* 400x517 Mobile View Optimization */
@media (max-width: 517px) {
  header#mainHeader {
    padding: 0.8rem 4%;
  }

  header#mainHeader .logo span {
    font-size: 1.2rem;
  }

  header#mainHeader .logo-icon {
    font-size: 1.4rem;
  }
}