/* ==================== 全局样式 ==================== */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #a855f7;
    --accent: #22d3ee;
    --bg-dark: #0a1628;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #a855f7 100%);
    --gradient-bg: linear-gradient(180deg, #0a1628 0%, #1e3a5f 100%);
    --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 22, 40, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    border-bottom-color: var(--border);
    background: rgba(10, 22, 40, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 0;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ==================== Hero 区域 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
                var(--bg-dark);
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-greeting {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
    min-height: 2.5rem;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero 头像 */
.hero-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.avatar-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
}

.avatar-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-primary);
    padding: 4px;
    animation: rotate 8s linear infinite;
}

.avatar-ring::before {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--bg-dark);
}

.avatar-inner {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.avatar-decoration {
    display: flex;
    gap: 16px;
}

.decoration-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.decoration-icon:nth-child(2) {
    animation-delay: 0.5s;
}

.decoration-icon:nth-child(3) {
    animation-delay: 1s;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* ==================== 通用 Section 样式 ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-more {
    display: inline-block;
    margin-top: 16px;
    color: var(--primary);
    font-weight: 500;
}

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

/* ==================== 关于我 ==================== */
.about {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(30, 58, 95, 0.3) 50%, var(--bg-dark) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.info-icon {
    width: 48px;
    height: 48px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 16px;
}

.info-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.info-year {
    color: var(--primary) !important;
    font-weight: 500;
    margin-top: 8px;
}

/* Bio 区域 */
.about-bio {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.bio-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.bio-avatar {
    width: 80px;
    height: 80px;
    background: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: 3px solid var(--primary);
}

.bio-header h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.bio-subtitle {
    color: var(--primary);
    font-size: 0.95rem;
}

.bio-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.bio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.tag {
    padding: 8px 16px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border);
}

/* ==================== 技能展示 ==================== */
.skills {
    background: var(--bg-dark);
}

.skills-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.skill-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.skill-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.skill-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 工具列表 */
.skills-tools {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.skills-tools h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tool-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tool-bar {
    height: 8px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
}

.tool-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
    width: 0;
}

/* ==================== 项目展示 ==================== */
.projects {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(30, 58, 95, 0.3) 50%, var(--bg-dark) 100%);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.project-image {
    height: 200px;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image-placeholder {
    font-size: 4rem;
}

.project-tags {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    gap: 8px;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    font-size: 0.75rem;
    color: white;
}

.project-content {
    padding: 24px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tech-tag {
    padding: 4px 10px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    border-radius: 4px;
    font-size: 0.8rem;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.project-link:hover {
    color: var(--primary);
}

/* ==================== 博客文章 ==================== */
.blog {
    background: var(--bg-dark);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.blog-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

a.blog-card {
    display: block;
    cursor: pointer;
}

.blog-image {
    height: 180px;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-image-placeholder {
    font-size: 4rem;
}

.blog-date {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    border-radius: 6px;
    font-size: 0.8rem;
    color: white;
}

.blog-content {
    padding: 24px;
}

.blog-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(168, 85, 247, 0.1);
    color: var(--secondary);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.blog-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==================== 联系方式 ==================== */
.contact {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(30, 58, 95, 0.3) 50%, var(--bg-dark) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* 联系表单 */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.contact-form h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 60px 0 24px;
}

.footer-content {
    text-align: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== 动画 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-avatar {
        order: -1;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .skills-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.5rem;
    }

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

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

    .hero-name {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 1.25rem;
    }

    .avatar-wrapper {
        width: 200px;
        height: 200px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }
}