/* 
 * 主样式表
 * 参考Poppr网站风格 (https://www.poppr.be/en)
 */

/* 基础样式重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色变量 */
    --color-bg: transparent;
    --color-text: #ffffff;
    --color-accent: #ffffff;
    --color-light-gray: rgba(245, 245, 245, 0.1);
    --color-medium-gray: rgba(224, 224, 224, 0.2);
    --color-dark-gray: rgba(102, 102, 102, 0.7);
    
    /* 字体变量 */
    --font-primary: 'Noto Sans SC', sans-serif;
    
    /* 间距变量 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* 过渡变量 */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: transparent;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 视频背景样式 */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#background-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 调整内容样式以适应视频背景 */
.header, .hero-content, .section-header, .about-text, .contact-section, .footer, .works-section, .articles-section, .about-section {
    position: relative;
    z-index: 1;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    background-color: transparent;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background-color: transparent;
    overflow: hidden;
}

.hero-content {
    z-index: 1;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 500;
    letter-spacing: 1px;
    border: 1px solid white;
    transition: all var(--transition-fast);
    text-shadow: none;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.cta-button:hover {
    background-color: white;
    color: black;
    text-shadow: none;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.arrow-down {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-text);
    border-bottom: 2px solid var(--color-text);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* 作品展示区样式 */
.works-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.4);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.work-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.work-image {
    height: 0;
    padding-bottom: 75%; /* 4:3 比例 */
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform var(--transition-medium);
}

.work-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.work-item:hover .work-image img {
    transform: scale(1.05);
}

.work-item:hover .work-info {
    opacity: 1;
    transform: translateY(0);
}

.work-info h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.work-info p {
    font-size: 1rem;
    font-weight: 300;
}

.more-link {
    display: inline-block;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    color: white;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.more-link:hover {
    background-color: white;
    color: black;
    border-color: white;
}

.more-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 0;
    transition: width var(--transition-fast);
}

.more-link:hover::after {
    width: 0;
}

/* 文章区域样式 */
.articles-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.article-card {
    background-color: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-md);
    transition: transform var(--transition-fast);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.article-card:hover {
    background-color: rgba(0, 0, 0, 0.5);
    transform: translateY(-10px);
}

.article-date {
    font-size: 0.9rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-xs);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.article-excerpt {
    font-size: 1rem;
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
}

.article-link {
    display: inline-block;
    font-weight: 500;
    position: relative;
    color: white;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.article-link:hover {
    background-color: white;
    color: black;
    border-color: white;
}

.article-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 0;
    transition: width var(--transition-fast);
}

.article-link:hover::after {
    width: 0;
}

/* 关于我区域样式 */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(0, 0, 0, 0.4);
}

.about-content {
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 5px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

.about-link {
    display: inline-block;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    margin-top: var(--spacing-md);
    color: white;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.about-link:hover {
    background-color: white;
    color: black;
    border-color: white;
}

.about-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 0;
    transition: width var(--transition-fast);
}

.about-link:hover::after {
    width: 0;
}

/* 联系区域样式 */
.contact-section {
    padding: var(--spacing-xl) 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.contact-content {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

.social-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    transition: transform var(--transition-fast);
}

.social-link:hover {
    transform: translateX(10px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.1);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
    color: white;
    border-radius: 4px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: white;
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.submit-btn {
    display: inline-block;
    width: 100%;
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid white;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: 1px;
    text-shadow: none;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.submit-btn:hover {
    background-color: white;
    color: black;
    border-color: white;
}

/* 页脚样式 */
.footer {
    padding: var(--spacing-lg) 0;
    background-color: rgba(0, 0, 0, 0.7);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-bg);
    transition: width var(--transition-fast);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--color-medium-gray);
}

/* 灯箱样式 */
.gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.gallery-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    z-index: 2001;
}

.lightbox-content {
    display: flex;
    flex-direction: column;
}

.lightbox-image-container {
    overflow: hidden;
    max-height: 80vh;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    transition: opacity var(--transition-fast);
}

.lightbox-info {
    padding: var(--spacing-sm) 0;
    color: white;
}

.lightbox-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.lightbox-category {
    font-size: 1rem;
    color: var(--color-medium-gray);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    transform: scale(1.2);
}

.lightbox-close {
    top: -40px;
    right: 0;
}

.lightbox-prev {
    top: 50%;
    left: -60px;
    transform: translateY(-50%);
}

.lightbox-next {
    top: 50%;
    right: -60px;
    transform: translateY(-50%);
}

/* 表单消息样式 */
.form-message {
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-radius: 4px;
    transition: opacity 0.5s ease;
}

.form-message.success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.form-message.error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.form-message.info {
    background-color: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

.form-message.fade-out {
    opacity: 0;
}

/* 页面标题样式 */
.page-header {
    padding: 120px var(--spacing-md) var(--spacing-lg);
    text-align: center;
    background-color: var(--color-light-gray);
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-dark-gray);
}

/* 关于页面样式 */
.about-detail {
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* 技能部分样式 */
.skills-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-light-gray);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.skill-item {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-fast);
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.skill-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
}

.skill-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-text);
}

.skill-item h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.skill-item p {
    color: var(--color-dark-gray);
}

/* 经历部分样式 */
.experience-section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--color-medium-gray);
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: var(--spacing-lg);
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background-color: var(--color-text);
    border-radius: 50%;
}

.timeline-item:nth-child(odd)::before {
    right: -10px;
}

.timeline-item:nth-child(even)::before {
    left: -10px;
}

.timeline-date {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.timeline-content {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.resume-download {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.download-btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-bg);
    font-weight: 500;
    border: 1px solid var(--color-text);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

.download-btn:hover {
    background-color: transparent;
    color: var(--color-text);
}

/* 作品集页面样式 */
.works-filter {
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: none;
    border: 1px solid var(--color-medium-gray);
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.works-gallery {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

/* 作品筛选动画 */
.work-item {
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.work-item:not(.active) {
    opacity: 0;
    transform: scale(0.8);
}

/* 文章页面样式 */
.article-categories {
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
}

.category-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: none;
    border: 1px solid var(--color-medium-gray);
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background-color: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.articles-list {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-dark-gray);
}

.article-category {
    background-color: var(--color-light-gray);
    padding: 2px 8px;
    border-radius: 3px;
}

/* 文章筛选动画 */
.article-card {
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.article-card:not(.active) {
    opacity: 0;
    transform: scale(0.8);
}

/* 联系页面样式 */
.contact-details {
    padding: var(--spacing-xl) var(--spacing-md);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2,
.contact-form-container h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark-gray);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform var(--transition-fast);
}

.contact-method:hover {
    transform: translateX(10px);
}

.method-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--color-text);
}

.method-details h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.method-details p {
    font-size: 1rem;
    color: var(--color-dark-gray);
    margin-bottom: 0;
}

.contact-form-container {
    background-color: var(--color-light-gray);
    padding: var(--spacing-lg);
    border-radius: 5px;
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

/* 地图区域样式 */
.map-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-light-gray);
}

.map-container {
    max-width: 1200px;
    margin: 0 auto;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--color-medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
}

.map-text {
    text-align: center;
}

.map-text h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.map-text p {
    font-size: 1rem;
    color: var(--color-dark-gray);
}

/* 移动菜单样式 */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 1000;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.hamburger span {
    background-color: var(--color-text);
}

/* 通用布局类 */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 1px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--color-dark-gray);
    font-weight: 300;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: 1000;
    transition: background-color var(--transition-medium);
    background-color: rgba(0, 0, 0, 0.2);
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.7);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
    z-index: 1001;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.nav-desktop ul {
    display: flex;
}

.nav-desktop li {
    margin-left: var(--spacing-md);
}

.nav-desktop a {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: width var(--transition-fast);
}

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

.nav-mobile {
    display: none;
}