/* ========================================
   朱雀汽车服务 - 导航栏和页脚样式
   ======================================== */

@import url('variables.css');

/* ========== 导航栏 ========== */
.header {
  background-color: var(--primary-color);
  color: var(--neutral-white);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--accent-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

/* ========== 导航菜单 ========== */
.nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--neutral-white);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-link:hover {
  background-color: rgba(255, 140, 66, 0.2);
  color: var(--accent-color);
}

.nav-link.active {
  background-color: var(--accent-color);
  color: var(--neutral-white);
}

/* ========== 下拉菜单 ========== */
.dropdown {
  position: relative;
}

.dropdown-toggle::after {
  content: '▼';
  font-size: 10px;
  margin-left: var(--spacing-sm);
  transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--primary-light);
  border-radius: var(--radius-md);
  list-style: none;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  margin-top: var(--spacing-md);
  overflow: hidden;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--neutral-white);
  text-decoration: none;
  display: block;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.dropdown-item:hover {
  background-color: var(--primary-color);
  border-left-color: var(--accent-color);
  padding-left: calc(var(--spacing-lg) + 3px);
}

/* ========== 汉堡菜单 ========== */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: var(--spacing-sm);
  background: none;
  border: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--neutral-white);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========== 页脚 ========== */
.footer {
  background-color: var(--neutral-darker);
  color: var(--neutral-white);
  padding: var(--spacing-5xl) 0 var(--spacing-2xl);
  margin-top: var(--spacing-5xl);
}

.footer-container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--accent-color);
}

.footer-section ul {
  list-style: none;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--neutral-white);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: var(--font-size-sm);
}

.footer-section a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-social {
  display: flex;
  gap: var(--spacing-lg);
}

.social-link {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-white);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
}

.social-link:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
  .header-container {
    padding: 0 var(--spacing-lg);
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--primary-light);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }
  
  .nav.active {
    max-height: 500px;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    padding: var(--spacing-lg);
    border-radius: 0;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    background-color: var(--primary-color);
    box-shadow: none;
    transform: none;
    margin: 0;
  }
  
  .dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    max-height: 300px;
  }
  
  .dropdown-item {
    padding-left: var(--spacing-3xl);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: var(--font-size-lg);
  }
  
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-base);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-social {
    justify-content: center;
  }
}