/* Unified Header Styles */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s ease;
}

.logo-section:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 165, 211, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #00a5d3;
  font-size: 0.9rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text-top {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #718096;
}

.logo-text-bottom {
  font-size: 0.75rem;
  color: #a0aec0;
}

/* Desktop Navigation */
nav {
  display: none;
}

@media (min-width: 768px) {
  nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.875rem;
    font-weight: 500;
  }

  nav a {
    color: #718096;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding: 4px 0;
  }

  nav a:hover {
    color: #1a1a1a;
  }

  nav a.active {
    color: #00a5d3;
    font-weight: 600;
  }

  nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #00a5d3;
    border-radius: 1px;
  }
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #718096;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.header-btn:hover {
  color: #1a1a1a;
  border-color: #cbd5e0;
  background: #f7fafc;
}

.header-cta {
  display: none;
  padding: 10px 20px;
  border-radius: 9999px;
  background: #00a5d3;
  color: white;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

@media (min-width: 640px) {
  .header-cta {
    display: inline-flex;
  }
}

.header-cta:hover {
  background: #0099cc;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 165, 211, 0.3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #e2e8f0;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #718096;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 60;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn:hover {
  color: #1a1a1a;
  border-color: #cbd5e0;
  background: #f7fafc;
}

.mobile-menu-btn.active {
  color: #00a5d3;
  border-color: #00a5d3;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  z-index: 40;
  padding: 24px;
  overflow-y: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-menu nav a {
  display: block;
  padding: 16px 0;
  color: #1a1a1a;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid #e2e8f0;
  transition: color 0.3s ease;
}

.mobile-menu nav a:hover,
.mobile-menu nav a.active {
  color: #00a5d3;
}

.mobile-menu nav a:last-child {
  border-bottom: none;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 30;
  backdrop-filter: blur(2px);
}

.mobile-menu-overlay.active {
  display: block;
}