/* ============================================
   VORS 在线商城 - 导航栏样式
   ============================================ */

/* 导航栏容器 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--color-bg-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: all var(--transition-base);
}

/* 滚动后导航栏样式变化 */
.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: rgba(230, 57, 70, 0.1);
}

/* 导航栏内容 */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.logo:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 900;
    color: #fff;
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0.4;
    filter: blur(8px);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text span:first-child {
    font-size: var(--text-2xl);
    font-weight: 800;
    letter-spacing: 4px;
}

.logo-text span:last-child {
    font-size: 0.6rem;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* 导航链接 */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link:hover::after {
    width: 60%;
}

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

.nav-link.active::after {
    width: 60%;
}

/* 导航链接图标 */
.nav-link-icon {
    font-size: var(--text-lg);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    cursor: pointer;
    padding: 0;
    background: none;
    border: none;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* 移动端菜单打开状态 */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端导航菜单 */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-bg-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-md);
    z-index: 999;
    animation: slide-down 0.3s ease-out;
}

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

@keyframes slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav .nav-link {
    display: block;
    padding: var(--space-md) var(--space-lg);
    width: 100%;
    font-size: var(--text-lg);
}

.mobile-nav .nav-link:hover {
    background: rgba(230, 57, 70, 0.1);
}