/* ====== CSS 变量 ====== */
:root {
    /* 颜色 - 纯黑白灰无色相 */
    --color-black: #000000;
    --color-gray-900: #171717;
    --color-gray-800: #262626;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #a3a3a3;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-gray-50: #fafafa;
    --color-white: #ffffff;
    
    /* 强调色 - 黑白简约风格 */
    --color-primary: #000000;
    --color-primary-dark: #333333;
    --color-primary-light: #666666;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', 'Courier New', monospace;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ====== 基础重置 ====== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

code {
    font-family: var(--font-mono);
}

/* ====== 容器 ====== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ====== 按钮 ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
    border-color: var(--color-gray-800);
    background-color: var(--color-gray-100);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ====== 导航栏 ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-primary);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-gray-900), var(--color-gray-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-gray-900);
}

.github-icon {
    width: 1rem;
    height: 1rem;
}

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

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* 移动端菜单 */
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    padding: var(--spacing-md) 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
}

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

/* ====== Hero 区域 ====== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-white);
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 0, 0, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
}

.hero-text {
    color: var(--color-gray-900);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.title-line {
    display: block;
}

.title-line.highlight {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons .btn-outline {
    color: var(--color-gray-900);
    border-color: var(--color-gray-300);
}

.hero-buttons .btn-outline:hover {
    border-color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

.hero-meta {
    display: flex;
    gap: var(--spacing-xl);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.meta-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.meta-value {
    padding: 0.25rem 0.75rem;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray-900);
    font-weight: 500;
}

.hero-image {
    position: relative;
}

.device-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(0,0,0,0.05);
}

.hero-screenshot {
    width: 100%;
    border-radius: var(--radius-lg);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-icon {
    width: 1.5rem;
    height: 1.5rem;
}

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

/* ====== 通用区块样式 ====== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ====== 核心特性 ====== */
.features {
    background-color: var(--color-gray-50);
}

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

.feature-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background-color: var(--color-primary);
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-gray-700);
    transition: color var(--transition-base);
}

.feature-card:hover .feature-icon svg {
    color: var(--color-white);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ====== 产品展示 ====== */
.showcase {
    background-color: var(--color-white);
}

.showcase-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto var(--spacing-3xl);
}

.slider-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background-color: var(--color-gray-900);
}

.slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.slide.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-image img {
    width: 100%;
    display: block;
}

.slide-info {
    padding: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(to top, var(--color-gray-900), transparent);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.slide-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.slide-info p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.slider-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.slider-btn:hover {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.slider-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.slider-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background-color: var(--color-gray-300);
    transition: all var(--transition-base);
}

.dot.active {
    background-color: var(--color-primary);
    transform: scale(1.25);
}

.dot:hover {
    background-color: var(--color-gray-500);
}

/* 设备支持 */
.devices-support {
    text-align: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-gray-200);
}

.devices-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.devices-list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
}

.device-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-500);
}

.device-item svg {
    width: 2.5rem;
    height: 2.5rem;
}

.device-item span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ====== 技术栈 ====== */
.tech-stack {
    background-color: var(--color-gray-50);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    flex: 0 0 180px;
    max-width: 200px;
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.tech-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-700) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.tech-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.tech-item:hover .tech-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transform: scale(1.1);
}

.tech-item:hover .tech-icon svg {
    transform: rotate(5deg);
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-800);
    text-align: center;
}

.tech-desc {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* ====== 快速开始 ====== */
.quickstart {
    background-color: var(--color-white);
}

.quickstart-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

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

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.code-block {
    display: flex;
    align-items: center;
    background-color: var(--color-gray-900);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    overflow-x: auto;
}

.code-block code {
    flex: 1;
    color: var(--color-white);
    font-size: 0.875rem;
    white-space: nowrap;
    word-break: break-all;
    overflow-wrap: break-word;
}

.copy-btn {
    padding: var(--spacing-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.copy-btn:hover {
    color: var(--color-white);
}

.copy-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.copy-btn.copied {
    color: var(--color-white);
}

.info-card {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-gray-200);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.info-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.info-card code {
    background-color: var(--color-white);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-primary);
    border: 1px solid var(--color-gray-200);
}

.info-card ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.info-card li {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.info-card li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
    position: absolute;
    left: -1.25rem;
}

.info-card .btn {
    margin-top: var(--spacing-md);
}

/* ====== CLI 工具 ====== */
.cli-tools {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: var(--color-white);
}

.cli-tools .section-title {
    color: var(--color-white);
}

.cli-tools .section-subtitle {
    color: var(--color-gray-400);
}

.cli-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.cli-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.cli-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-white);
}

.cli-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
}

.cli-card.enabled .cli-status {
    background-color: var(--color-white);
    color: var(--color-black);
}

.cli-card.pending .cli-status {
    background-color: var(--color-gray-600);
    color: var(--color-gray-300);
}

.cli-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.cli-command {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-md);
}

.cli-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cli-features li {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    padding-left: var(--spacing-md);
    position: relative;
}

.cli-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-white);
}

/* ====== 页脚 ====== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-gray-700);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    max-width: 300px;
}

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

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.qrcode-section {
    text-align: center;
}

.qrcode {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
    margin: 0 auto;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.copyright a {
    color: var(--color-gray-400);
}

.copyright a:hover {
    color: var(--color-white);
}

.contact {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.contact a {
    color: var(--color-gray-300);
}

/* ====== 动画效果 ====== */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-20px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(20px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.95);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ====== 响应式设计 ====== */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        margin: 0 auto var(--spacing-xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-meta {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        gap: var(--spacing-md);
    }
    
    .tech-item {
        flex: 0 0 150px;
    }
    
    .quickstart-content {
        grid-template-columns: 1fr;
    }
    
    .cli-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        gap: var(--spacing-sm);
    }
    
    .tech-item {
        flex: 0 0 calc(50% - var(--spacing-sm));
        max-width: calc(50% - var(--spacing-sm));
    }
    
    .devices-list {
        gap: var(--spacing-xl);
    }
    
    .cli-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .tech-item {
        padding: var(--spacing-md);
        flex: 0 0 calc(50% - var(--spacing-sm));
        max-width: calc(50% - var(--spacing-sm));
    }
    
    .step {
        flex-direction: column;
    }
    
    .code-block {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .code-block code {
        overflow-x: auto;
        word-break: break-all;
        overflow-wrap: break-word;
        white-space: pre-wrap;
    }
}