/* ========================================
   川陀软件 - 极简科技风格式表
   Trantor Software - Minimal Tech Style
   ======================================== */

/* CSS 变量 */
:root {
    /* 主色调 - 蓝紫系 */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    /* 中性色 */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    --black: #09090b;
    
    /* 功能色 */
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.3);
    
    /* 间距 */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* 字体 */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px var(--primary-glow);
}

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

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

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.logo-icon {
    color: var(--primary);
    font-size: 1.5rem;
}

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    padding: var(--space-sm) 0;
    position: relative;
}

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

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

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

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

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.dropdown-trigger .arrow {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 160px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--gray-300), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--gray-200), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--gray-300), transparent),
        radial-gradient(2px 2px at 160px 120px, var(--gray-200), transparent),
        radial-gradient(1px 1px at 230px 80px, var(--gray-300), transparent),
        radial-gradient(2px 2px at 300px 150px, var(--gray-200), transparent);
    background-size: 350px 200px;
    animation: twinkle 8s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.galaxy-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    transform: translate(-50%, -50%);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    opacity: 0.5;
    animation: pulse 4s ease-in-out infinite;
}

.galaxy-ring::before,
.galaxy-ring::after {
    content: '';
    position: absolute;
    border: 1px solid var(--gray-200);
    border-radius: 50%;
}

.galaxy-ring::before {
    inset: 80px;
}

.galaxy-ring::after {
    inset: 160px;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.3; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-400);
    letter-spacing: 0.5em;
    margin-bottom: var(--space-xl);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

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

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-400);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--gray-300);
    border-bottom: 2px solid var(--gray-300);
    transform: rotate(45deg);
}

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

/* ========================================
   通用 Section 样式
   ======================================== */
.section {
    padding: var(--space-4xl) 0;
}

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

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

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

/* ========================================
   起源故事
   ======================================== */
.story-section {
    background: var(--gray-50);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    padding-bottom: var(--space-2xl);
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 24px;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-marker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-300);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.timeline-marker.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.timeline-content {
    flex: 1;
}

.timeline-era {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

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

.timeline-content p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* 川陀星球视觉 */
.story-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.trantor-planet {
    position: relative;
    width: 300px;
    height: 300px;
}

.planet-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--gray-300) 0%, var(--gray-500) 100%);
    border-radius: 50%;
    box-shadow: 
        inset -30px -30px 60px rgba(0, 0, 0, 0.2),
        inset 10px 10px 30px rgba(255, 255, 255, 0.3);
}

.planet-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 280px;
    height: 80px;
    transform: translate(-50%, -50%) rotateX(70deg);
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.planet-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg); }
}

@keyframes glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.visual-caption {
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
}

/* ========================================
   服务
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: var(--space-lg);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========================================
   硅基龙虾
   ======================================== */
.lobster-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.lobster-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    margin-bottom: var(--space-4xl);
}

/* 龙虾模型 */
.lobster-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.lobster-model {
    position: relative;
    width: 200px;
    height: 160px;
}

.lobster-body {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 60px;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50px 50px 30px 30px;
    box-shadow: 0 10px 30px var(--primary-glow);
}

.lobster-claw {
    position: absolute;
    width: 40px;
    height: 25px;
    background: var(--primary-light);
    border-radius: 20px 20px 10px 10px;
    top: 40%;
}

.lobster-claw.left {
    left: 10px;
    transform: rotate(-30deg);
}

.lobster-claw.right {
    right: 10px;
    transform: rotate(30deg);
}

.lobster-antenna {
    position: absolute;
    width: 2px;
    height: 40px;
    background: var(--primary-light);
    top: 20px;
}

.lobster-antenna.left {
    left: 70px;
    transform: rotate(-20deg);
}

.lobster-antenna.right {
    right: 70px;
    transform: rotate(20deg);
}

.lobster-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow 2s ease-in-out infinite;
}

.lobster-text p {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.lobster-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.lobster-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: all var(--transition-base);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.lobster-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.lobster-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.card-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    transition: all var(--transition-fast);
}

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

/* ========================================
   Skill
   ======================================== */
.skill-section {
    background: var(--gray-900);
    color: var(--white);
}

.skill-section .section-tag {
    color: var(--primary-light);
}

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

.skill-section .section-desc {
    color: var(--gray-400);
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.skill-card {
    background: var(--gray-800);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-700);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.skill-card:hover::before {
    opacity: 1;
}

.skill-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-700);
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.skill-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.skill-content p {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.skill-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.skill-features li {
    font-size: 0.875rem;
    color: var(--gray-300);
    padding-left: var(--space-lg);
    position: relative;
}

.skill-features li::before {
    content: '◈';
    position: absolute;
    left: 0;
    color: var(--primary-light);
    font-size: 0.75rem;
}

/* ========================================
   联系我们
   ======================================== */
.contact-section {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary);
    line-height: 1;
}

.contact-text h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.contact-text p {
    font-size: 1.125rem;
    color: var(--gray-900);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: inherit;
    font-size: 1rem;
    color: var(--gray-900);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

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

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--gray-50);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--gray-100);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-brand .logo-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

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

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-domain {
    font-weight: 500;
    color: var(--primary);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .story-content,
    .lobster-intro,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .story-visual {
        order: -1;
    }
    
    .trantor-planet {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-bottom: 1px solid var(--gray-100);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        padding-left: var(--space-lg);
        display: none;
    }
    
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md) var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}