/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Mode Colors */
    --primary-color: #4A9FFF;
    --primary-dark: #2E7ECE;
    --gradient-start: #4A9FFF;
    --gradient-end: #7B61FF;
    --text-primary: #F2F2F7;
    --text-secondary: #A1A1A6;
    --text-tertiary: #6E6E73;
    --background: #000000;
    --background-secondary: #0A0A0B;
    --background-tertiary: #141416;
    --card-background: #1C1C1E;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-hover: rgba(0, 0, 0, 0.7);
    --glow: rgba(74, 159, 255, 0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.25rem;
    --font-size-4xl: 3rem;
    --font-size-5xl: 4rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 3.5rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 7rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--radius-full);
    border: 2px solid var(--background);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-color), var(--gradient-end));
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

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

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 10px rgba(74, 159, 255, 0.2);
    transition: var(--transition);
}

.nav-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(74, 159, 255, 0.3);
}

.nav-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-start);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(74, 159, 255, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    overflow: hidden;
    background: radial-gradient(ellipse at top, var(--background-tertiary) 0%, var(--background) 50%);
}

.hero-content {
    display: flex;
    justify-content: center;
    text-align: center;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title .gradient-text {
    white-space: nowrap;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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



.hero-bg {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    opacity: 0.1;
    border-radius: 50%;
    z-index: -1;
    filter: blur(100px);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.15; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 20px rgba(74, 159, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(74, 159, 255, 0.5), 0 0 40px rgba(74, 159, 255, 0.3);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(74, 159, 255, 0.1);
    box-shadow: 0 0 20px rgba(74, 159, 255, 0.2);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--background);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--card-background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(74, 159, 255, 0.15), 0 0 60px rgba(74, 159, 255, 0.05);
    border-color: rgba(74, 159, 255, 0.3);
    background: linear-gradient(180deg, var(--card-background), rgba(74, 159, 255, 0.03));
}

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

.feature-icon {
    font-size: 56px;
    margin-bottom: var(--spacing-md);
    display: block;
    filter: drop-shadow(0 0 20px rgba(74, 159, 255, 0.3));
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 30px rgba(74, 159, 255, 0.5));
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
    font-weight: 400;
}



/* Download Section */
.download {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: linear-gradient(180deg, var(--background) 0%, var(--background-secondary) 50%, var(--background-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0.5;
    animation: glow 4s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.download-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.download-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--background);
    border-top: 1px solid var(--border);
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-copyright a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-copyright a:hover {
    text-decoration: underline;
}

/* Privacy Policy Styles */
.privacy-policy {
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--background) 0%, var(--background-secondary) 50%, var(--background) 100%);
    position: relative;
    overflow: hidden;
}

.privacy-policy::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -20%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, var(--gradient-start), transparent);
    opacity: 0.05;
    filter: blur(100px);
    animation: float 8s ease-in-out infinite;
}

.privacy-policy::after {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -20%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, var(--gradient-end), transparent);
    opacity: 0.05;
    filter: blur(100px);
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.policy-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-align: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out;
}

.policy-updated {
    text-align: center;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-3xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(74, 159, 255, 0.1);
    border: 1px solid rgba(74, 159, 255, 0.2);
    border-radius: var(--radius-full);
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.policy-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--card-background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out backwards;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.policy-section:nth-child(odd) { animation-delay: 0.1s; }
.policy-section:nth-child(even) { animation-delay: 0.2s; }

.policy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gradient-start), var(--gradient-end), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.policy-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(74, 159, 255, 0.1);
    border-color: rgba(74, 159, 255, 0.2);
}

.policy-section:hover::before {
    opacity: 1;
}

.policy-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    margin-top: 0;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.policy-section h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.5em;
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.policy-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-left: var(--spacing-sm);
    position: relative;
}

.policy-section h3::before {
    content: '▸';
    color: var(--primary-color);
    position: absolute;
    left: -10px;
    font-size: var(--font-size-xl);
}

.policy-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.8;
}

.policy-section ul {
    margin-bottom: var(--spacing-md);
    padding-left: 0;
    list-style: none;
}

.policy-section li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--gradient-start);
    padding-left: var(--spacing-lg);
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.policy-section li:hover {
    background: rgba(74, 159, 255, 0.05);
    transform: translateX(4px);
    border-left-color: var(--gradient-end);
}

.policy-section li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.policy-section li strong {
    color: var(--text-primary);
    font-weight: 600;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.policy-section a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.2s;
    padding-bottom: 2px;
}

.policy-section a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.policy-section a:hover {
    color: var(--gradient-end);
    text-shadow: 0 0 20px rgba(74, 159, 255, 0.5);
}

.policy-section a:hover::after {
    width: 100%;
}

/* Table of Contents */
.policy-toc {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--card-background), rgba(74, 159, 255, 0.02));
    border-radius: var(--radius-xl);
    border: 1px solid rgba(74, 159, 255, 0.1);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.policy-toc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.toc-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.toc-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.toc-list li {
    margin: 0;
}

.toc-list a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.toc-list a:hover {
    color: var(--primary-color);
    background: rgba(74, 159, 255, 0.1);
    border-color: rgba(74, 159, 255, 0.2);
    transform: translateX(4px);
}

/* Policy Intro Section */
.policy-intro {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(74, 159, 255, 0.1), rgba(123, 97, 255, 0.05));
    border-radius: var(--radius-xl);
    border: 1px solid rgba(74, 159, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.policy-intro::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--gradient-start), transparent);
    opacity: 0.1;
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

.policy-intro p {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin: 0;
    position: relative;
    z-index: 1;
}

.policy-intro strong {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Navigation Brand Link */
.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: inherit;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle span {
        background: var(--text-primary);
    }
    
    .hero-content {
        justify-content: center;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-title .gradient-text {
        white-space: normal;
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    

    

    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* Privacy Policy Mobile */
    .policy-title {
        font-size: var(--font-size-3xl);
    }
    
    .policy-toc {
        padding: var(--spacing-md);
    }
    
    .toc-list {
        grid-template-columns: 1fr;
    }
    
    .policy-section {
        padding: var(--spacing-md);
    }
    
    .policy-section h2 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .download-title {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.nav {
    animation: fadeIn 0.5s ease-out;
}

.features-grid .feature-card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.features-grid .feature-card:nth-child(1) { animation-delay: 0.1s; }
.features-grid .feature-card:nth-child(2) { animation-delay: 0.2s; }
.features-grid .feature-card:nth-child(3) { animation-delay: 0.3s; }
.features-grid .feature-card:nth-child(4) { animation-delay: 0.4s; }
.features-grid .feature-card:nth-child(5) { animation-delay: 0.5s; }
.features-grid .feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
    
    * {
        transition: var(--transition);
    }
    
    *:hover {
        transition: var(--transition-slow);
    }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.social-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --shadow: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.5);
        --border: #000000;
    }
}