/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background-color: rgba(249, 249, 249, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  background-color: var(--color-white);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--color-primary);
  opacity: 0.8;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: var(--transition);
}

.nav-link:hover {
  opacity: 1;
  color: var(--color-secondary);
}

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

.header-cta {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* Mobile Responsive */
@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: -100vh;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-menu.active {
    top: 70px;
  }

  .nav-links {
    flex-direction: column;
    gap: 2rem;
  }
  
  .nav-link {
    font-size: 1.5rem;
  }

  .mobile-toggle {
    display: flex;
    z-index: 1001;
  }
}