/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  transition: padding var(--transition-normal);
}

.header.scrolled .header-content {
  padding: var(--space-xs) 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img, .logo svg {
  height: 120px;
  transition: height var(--transition-normal);
  width: auto;
  object-fit: contain;
  max-width: 700px;
}


.header.scrolled .logo img,
.header.scrolled .logo svg {
  height: 40px;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-item a {
  display: block;
  padding: var(--space-xs) var(--space-xs);
  color: var(--dark-color);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

.nav-item a:hover {
  color: var(--primary-color);
}

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

.nav-item.active a {
  color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--dark-color);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--light-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    z-index: 1000;
  }
  
  .nav-list.active {
    right: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .nav-item a {
    font-size: 1.1rem;
    padding: var(--space-xs) var(--space-md);
  }
}

/* For small screens adjust logo size */
@media (max-width: 576px) {
  .logo img, .logo svg {
    height: 40px;
  }
  
  .header.scrolled .logo img,
  .header.scrolled .logo svg {
    height: 32px;
  }
  
  .header-content {
    padding: var(--space-xs) 0;
  }
}